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SPIRV-Tools/test/val/val_decoration_test.cpp
David Neto 7f3679a8b6
Validate NonWritable decoration (#2263) 
Also permit NonWritable on members of structs used for UBO and SSBO.
(That seems inadvertently removed in recent revisions of the spec.)
2019-01-28 12:44:13 -08:00

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// Copyright (c) 2017 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Validation tests for decorations
#include <string>
#include <vector>
#include "gmock/gmock.h"
#include "source/val/decoration.h"
#include "test/unit_spirv.h"
#include "test/val/val_fixtures.h"
namespace spvtools {
namespace val {
namespace {
using ::testing::Eq;
using ::testing::HasSubstr;
using ValidateDecorations = spvtest::ValidateBase<bool>;
TEST_F(ValidateDecorations, ValidateOpDecorateRegistration) {
std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpMemoryModel Logical GLSL450
OpDecorate %1 ArrayStride 4
OpDecorate %1 RelaxedPrecision
%2 = OpTypeFloat 32
%1 = OpTypeRuntimeArray %2
; Since %1 is used first in Decoration, it gets id 1.
)";
const uint32_t id = 1;
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState());
// Must have 2 decorations.
EXPECT_THAT(
vstate_->id_decorations(id),
Eq(std::vector<Decoration>{Decoration(SpvDecorationArrayStride, {4}),
Decoration(SpvDecorationRelaxedPrecision)}));
}
TEST_F(ValidateDecorations, ValidateOpMemberDecorateRegistration) {
std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpMemoryModel Logical GLSL450
OpDecorate %_arr_double_uint_6 ArrayStride 4
OpMemberDecorate %_struct_115 2 NonReadable
OpMemberDecorate %_struct_115 2 Offset 2
OpDecorate %_struct_115 BufferBlock
%float = OpTypeFloat 32
%uint = OpTypeInt 32 0
%uint_6 = OpConstant %uint 6
%_arr_double_uint_6 = OpTypeArray %float %uint_6
%_struct_115 = OpTypeStruct %float %float %_arr_double_uint_6
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState());
// The array must have 1 decoration.
const uint32_t arr_id = 1;
EXPECT_THAT(
vstate_->id_decorations(arr_id),
Eq(std::vector<Decoration>{Decoration(SpvDecorationArrayStride, {4})}));
// The struct must have 3 decorations.
const uint32_t struct_id = 2;
EXPECT_THAT(
vstate_->id_decorations(struct_id),
Eq(std::vector<Decoration>{Decoration(SpvDecorationNonReadable, {}, 2),
Decoration(SpvDecorationOffset, {2}, 2),
Decoration(SpvDecorationBufferBlock)}));
}
TEST_F(ValidateDecorations, ValidateOpMemberDecorateOutOfBound) {
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %1 "Main"
OpExecutionMode %1 OriginUpperLeft
OpMemberDecorate %_struct_2 1 RelaxedPrecision
%void = OpTypeVoid
%4 = OpTypeFunction %void
%float = OpTypeFloat 32
%_struct_2 = OpTypeStruct %float
%1 = OpFunction %void None %4
%6 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("Index 1 provided in OpMemberDecorate for struct <id> "
"2[%_struct_2] is out of bounds. The structure has 1 "
"members. Largest valid index is 0."));
}
TEST_F(ValidateDecorations, ValidateGroupDecorateRegistration) {
std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpMemoryModel Logical GLSL450
OpDecorate %1 DescriptorSet 0
OpDecorate %1 RelaxedPrecision
OpDecorate %1 Restrict
%1 = OpDecorationGroup
OpGroupDecorate %1 %2 %3
OpGroupDecorate %1 %4
%float = OpTypeFloat 32
%_runtimearr_float = OpTypeRuntimeArray %float
%_struct_9 = OpTypeStruct %_runtimearr_float
%_ptr_Uniform__struct_9 = OpTypePointer Uniform %_struct_9
%2 = OpVariable %_ptr_Uniform__struct_9 Uniform
%_struct_10 = OpTypeStruct %_runtimearr_float
%_ptr_Uniform__struct_10 = OpTypePointer Uniform %_struct_10
%3 = OpVariable %_ptr_Uniform__struct_10 Uniform
%_struct_11 = OpTypeStruct %_runtimearr_float
%_ptr_Uniform__struct_11 = OpTypePointer Uniform %_struct_11
%4 = OpVariable %_ptr_Uniform__struct_11 Uniform
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState());
// Decoration group has 3 decorations.
auto expected_decorations =
std::vector<Decoration>{Decoration(SpvDecorationDescriptorSet, {0}),
Decoration(SpvDecorationRelaxedPrecision),
Decoration(SpvDecorationRestrict)};
// Decoration group is applied to id 1, 2, 3, and 4. Note that id 1 (which is
// the decoration group id) also has all the decorations.
EXPECT_THAT(vstate_->id_decorations(1), Eq(expected_decorations));
EXPECT_THAT(vstate_->id_decorations(2), Eq(expected_decorations));
EXPECT_THAT(vstate_->id_decorations(3), Eq(expected_decorations));
EXPECT_THAT(vstate_->id_decorations(4), Eq(expected_decorations));
}
TEST_F(ValidateDecorations, WebGPUOpDecorationGroupBad) {
std::string spirv = R"(
OpCapability Shader
OpCapability VulkanMemoryModelKHR
OpExtension "SPV_KHR_vulkan_memory_model"
OpMemoryModel Logical VulkanKHR
OpDecorate %1 DescriptorSet 0
OpDecorate %1 NonWritable
OpDecorate %1 Restrict
%1 = OpDecorationGroup
OpGroupDecorate %1 %2 %3
OpGroupDecorate %1 %4
%float = OpTypeFloat 32
%_runtimearr_float = OpTypeRuntimeArray %float
%_struct_9 = OpTypeStruct %_runtimearr_float
%_ptr_Uniform__struct_9 = OpTypePointer Uniform %_struct_9
%2 = OpVariable %_ptr_Uniform__struct_9 Uniform
%_struct_10 = OpTypeStruct %_runtimearr_float
%_ptr_Uniform__struct_10 = OpTypePointer Uniform %_struct_10
%3 = OpVariable %_ptr_Uniform__struct_10 Uniform
%_struct_11 = OpTypeStruct %_runtimearr_float
%_ptr_Uniform__struct_11 = OpTypePointer Uniform %_struct_11
%4 = OpVariable %_ptr_Uniform__struct_11 Uniform
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_BINARY, ValidateInstructions(SPV_ENV_WEBGPU_0));
EXPECT_THAT(getDiagnosticString(),
HasSubstr("OpDecorationGroup is not allowed in the WebGPU "
"execution environment.\n %1 = OpDecorationGroup\n"));
}
// For WebGPU, OpGroupDecorate does not have a test case, because it requires
// being preceded by OpDecorationGroup, which will cause a validation error.
// For WebGPU, OpGroupMemberDecorate does not have a test case, because it
// requires being preceded by OpDecorationGroup, which will cause a validation
// error.
TEST_F(ValidateDecorations, ValidateGroupMemberDecorateRegistration) {
std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpMemoryModel Logical GLSL450
OpDecorate %1 Offset 3
%1 = OpDecorationGroup
OpGroupMemberDecorate %1 %_struct_1 3 %_struct_2 3 %_struct_3 3
%float = OpTypeFloat 32
%_runtimearr = OpTypeRuntimeArray %float
%_struct_1 = OpTypeStruct %float %float %float %_runtimearr
%_struct_2 = OpTypeStruct %float %float %float %_runtimearr
%_struct_3 = OpTypeStruct %float %float %float %_runtimearr
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState());
// Decoration group has 1 decoration.
auto expected_decorations =
std::vector<Decoration>{Decoration(SpvDecorationOffset, {3}, 3)};
// Decoration group is applied to id 2, 3, and 4.
EXPECT_THAT(vstate_->id_decorations(2), Eq(expected_decorations));
EXPECT_THAT(vstate_->id_decorations(3), Eq(expected_decorations));
EXPECT_THAT(vstate_->id_decorations(4), Eq(expected_decorations));
}
TEST_F(ValidateDecorations, LinkageImportUsedForInitializedVariableBad) {
std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpMemoryModel Logical GLSL450
OpDecorate %target LinkageAttributes "link_ptr" Import
%float = OpTypeFloat 32
%_ptr_float = OpTypePointer Uniform %float
%zero = OpConstantNull %float
%target = OpVariable %_ptr_float Uniform %zero
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("A module-scope OpVariable with initialization value "
"cannot be marked with the Import Linkage Type."));
}
TEST_F(ValidateDecorations, LinkageExportUsedForInitializedVariableGood) {
std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpMemoryModel Logical GLSL450
OpDecorate %target LinkageAttributes "link_ptr" Export
%float = OpTypeFloat 32
%_ptr_float = OpTypePointer Uniform %float
%zero = OpConstantNull %float
%target = OpVariable %_ptr_float Uniform %zero
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState());
}
TEST_F(ValidateDecorations, StructAllMembersHaveBuiltInDecorationsGood) {
std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpMemoryModel Logical GLSL450
OpMemberDecorate %_struct_1 0 BuiltIn Position
OpMemberDecorate %_struct_1 1 BuiltIn Position
OpMemberDecorate %_struct_1 2 BuiltIn Position
OpMemberDecorate %_struct_1 3 BuiltIn Position
%float = OpTypeFloat 32
%_runtimearr = OpTypeRuntimeArray %float
%_struct_1 = OpTypeStruct %float %float %float %_runtimearr
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState());
}
TEST_F(ValidateDecorations, MixedBuiltInDecorationsBad) {
std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpMemoryModel Logical GLSL450
OpMemberDecorate %_struct_1 0 BuiltIn Position
OpMemberDecorate %_struct_1 1 BuiltIn Position
%float = OpTypeFloat 32
%_runtimearr = OpTypeRuntimeArray %float
%_struct_1 = OpTypeStruct %float %float %float %_runtimearr
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr("When BuiltIn decoration is applied to a structure-type "
"member, all members of that structure type must also be "
"decorated with BuiltIn (No allowed mixing of built-in "
"variables and non-built-in variables within a single "
"structure). Structure id 1 does not meet this requirement."));
}
TEST_F(ValidateDecorations, StructContainsBuiltInStructBad) {
std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpMemoryModel Logical GLSL450
OpMemberDecorate %_struct_1 0 BuiltIn Position
OpMemberDecorate %_struct_1 1 BuiltIn Position
OpMemberDecorate %_struct_1 2 BuiltIn Position
OpMemberDecorate %_struct_1 3 BuiltIn Position
%float = OpTypeFloat 32
%_runtimearr = OpTypeRuntimeArray %float
%_struct_1 = OpTypeStruct %float %float %float %_runtimearr
%_struct_2 = OpTypeStruct %_struct_1
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("Structure <id> 1[%_struct_1] contains members with "
"BuiltIn decoration. Therefore this structure may not "
"be contained as a member of another structure type. "
"Structure <id> 4[%_struct_4] contains structure <id> "
"1[%_struct_1]."));
}
TEST_F(ValidateDecorations, StructContainsNonBuiltInStructGood) {
std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpMemoryModel Logical GLSL450
%float = OpTypeFloat 32
%_struct_1 = OpTypeStruct %float
%_struct_2 = OpTypeStruct %_struct_1
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState());
}
TEST_F(ValidateDecorations, MultipleBuiltInObjectsConsumedByOpEntryPointBad) {
std::string spirv = R"(
OpCapability Shader
OpCapability Geometry
OpMemoryModel Logical GLSL450
OpEntryPoint Geometry %main "main" %in_1 %in_2
OpExecutionMode %main InputPoints
OpExecutionMode %main OutputPoints
OpMemberDecorate %struct_1 0 BuiltIn InvocationId
OpMemberDecorate %struct_2 0 BuiltIn Position
%int = OpTypeInt 32 1
%void = OpTypeVoid
%func = OpTypeFunction %void
%float = OpTypeFloat 32
%struct_1 = OpTypeStruct %int
%struct_2 = OpTypeStruct %float
%ptr_builtin_1 = OpTypePointer Input %struct_1
%ptr_builtin_2 = OpTypePointer Input %struct_2
%in_1 = OpVariable %ptr_builtin_1 Input
%in_2 = OpVariable %ptr_builtin_2 Input
%main = OpFunction %void None %func
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_BINARY, ValidateAndRetrieveValidationState());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("There must be at most one object per Storage Class "
"that can contain a structure type containing members "
"decorated with BuiltIn, consumed per entry-point."));
}
TEST_F(ValidateDecorations,
OneBuiltInObjectPerStorageClassConsumedByOpEntryPointGood) {
std::string spirv = R"(
OpCapability Shader
OpCapability Geometry
OpMemoryModel Logical GLSL450
OpEntryPoint Geometry %main "main" %in_1 %out_1
OpExecutionMode %main InputPoints
OpExecutionMode %main OutputPoints
OpMemberDecorate %struct_1 0 BuiltIn InvocationId
OpMemberDecorate %struct_2 0 BuiltIn Position
%int = OpTypeInt 32 1
%void = OpTypeVoid
%func = OpTypeFunction %void
%float = OpTypeFloat 32
%struct_1 = OpTypeStruct %int
%struct_2 = OpTypeStruct %float
%ptr_builtin_1 = OpTypePointer Input %struct_1
%ptr_builtin_2 = OpTypePointer Output %struct_2
%in_1 = OpVariable %ptr_builtin_1 Input
%out_1 = OpVariable %ptr_builtin_2 Output
%main = OpFunction %void None %func
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState());
}
TEST_F(ValidateDecorations, NoBuiltInObjectsConsumedByOpEntryPointGood) {
std::string spirv = R"(
OpCapability Shader
OpCapability Geometry
OpMemoryModel Logical GLSL450
OpEntryPoint Geometry %main "main" %in_1 %out_1
OpExecutionMode %main InputPoints
OpExecutionMode %main OutputPoints
%int = OpTypeInt 32 1
%void = OpTypeVoid
%func = OpTypeFunction %void
%float = OpTypeFloat 32
%struct_1 = OpTypeStruct %int
%struct_2 = OpTypeStruct %float
%ptr_builtin_1 = OpTypePointer Input %struct_1
%ptr_builtin_2 = OpTypePointer Output %struct_2
%in_1 = OpVariable %ptr_builtin_1 Input
%out_1 = OpVariable %ptr_builtin_2 Output
%main = OpFunction %void None %func
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState());
}
TEST_F(ValidateDecorations, EntryPointFunctionHasLinkageAttributeBad) {
std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpDecorate %main LinkageAttributes "import_main" Import
%1 = OpTypeVoid
%2 = OpTypeFunction %1
%main = OpFunction %1 None %2
%4 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv.c_str());
EXPECT_EQ(SPV_ERROR_INVALID_BINARY, ValidateInstructions());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr("The LinkageAttributes Decoration (Linkage name: import_main) "
"cannot be applied to function id 1 because it is targeted by "
"an OpEntryPoint instruction."));
}
TEST_F(ValidateDecorations, FunctionDeclarationWithoutImportLinkageBad) {
std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpMemoryModel Logical GLSL450
%void = OpTypeVoid
%func = OpTypeFunction %void
%main = OpFunction %void None %func
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_BINARY, ValidateAndRetrieveValidationState());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr("Function declaration (id 3) must have a LinkageAttributes "
"decoration with the Import Linkage type."));
}
TEST_F(ValidateDecorations, FunctionDeclarationWithImportLinkageGood) {
std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpMemoryModel Logical GLSL450
OpDecorate %main LinkageAttributes "link_fn" Import
%void = OpTypeVoid
%func = OpTypeFunction %void
%main = OpFunction %void None %func
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState());
}
TEST_F(ValidateDecorations, FunctionDeclarationWithExportLinkageBad) {
std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpMemoryModel Logical GLSL450
OpDecorate %main LinkageAttributes "link_fn" Export
%void = OpTypeVoid
%func = OpTypeFunction %void
%main = OpFunction %void None %func
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_BINARY, ValidateAndRetrieveValidationState());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr("Function declaration (id 1) must have a LinkageAttributes "
"decoration with the Import Linkage type."));
}
TEST_F(ValidateDecorations, FunctionDefinitionWithImportLinkageBad) {
std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpMemoryModel Logical GLSL450
OpDecorate %main LinkageAttributes "link_fn" Import
%void = OpTypeVoid
%func = OpTypeFunction %void
%main = OpFunction %void None %func
%label = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_BINARY, ValidateAndRetrieveValidationState());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("Function definition (id 1) may not be decorated with "
"Import Linkage type."));
}
TEST_F(ValidateDecorations, FunctionDefinitionWithoutImportLinkageGood) {
std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpMemoryModel Logical GLSL450
%void = OpTypeVoid
%func = OpTypeFunction %void
%main = OpFunction %void None %func
%label = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState());
}
TEST_F(ValidateDecorations, BuiltinVariablesGoodVulkan) {
const spv_target_env env = SPV_ENV_VULKAN_1_0;
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %main "main" %gl_FragCoord %_entryPointOutput
OpExecutionMode %main OriginUpperLeft
OpSource HLSL 500
OpDecorate %gl_FragCoord BuiltIn FragCoord
OpDecorate %_entryPointOutput Location 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%float_0 = OpConstant %float 0
%14 = OpConstantComposite %v4float %float_0 %float_0 %float_0 %float_0
%_ptr_Input_v4float = OpTypePointer Input %v4float
%gl_FragCoord = OpVariable %_ptr_Input_v4float Input
%_ptr_Output_v4float = OpTypePointer Output %v4float
%_entryPointOutput = OpVariable %_ptr_Output_v4float Output
%main = OpFunction %void None %3
%5 = OpLabel
OpStore %_entryPointOutput %14
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv, env);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState(env));
}
TEST_F(ValidateDecorations, BuiltinVariablesWithLocationDecorationVulkan) {
const spv_target_env env = SPV_ENV_VULKAN_1_0;
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %main "main" %gl_FragCoord %_entryPointOutput
OpExecutionMode %main OriginUpperLeft
OpSource HLSL 500
OpDecorate %gl_FragCoord BuiltIn FragCoord
OpDecorate %gl_FragCoord Location 0
OpDecorate %_entryPointOutput Location 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%float_0 = OpConstant %float 0
%14 = OpConstantComposite %v4float %float_0 %float_0 %float_0 %float_0
%_ptr_Input_v4float = OpTypePointer Input %v4float
%gl_FragCoord = OpVariable %_ptr_Input_v4float Input
%_ptr_Output_v4float = OpTypePointer Output %v4float
%_entryPointOutput = OpVariable %_ptr_Output_v4float Output
%main = OpFunction %void None %3
%5 = OpLabel
OpStore %_entryPointOutput %14
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv, env);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState(env));
EXPECT_THAT(getDiagnosticString(),
HasSubstr("A BuiltIn variable (id 2) cannot have any Location or "
"Component decorations"));
}
TEST_F(ValidateDecorations, BuiltinVariablesWithComponentDecorationVulkan) {
const spv_target_env env = SPV_ENV_VULKAN_1_0;
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %main "main" %gl_FragCoord %_entryPointOutput
OpExecutionMode %main OriginUpperLeft
OpSource HLSL 500
OpDecorate %gl_FragCoord BuiltIn FragCoord
OpDecorate %gl_FragCoord Component 0
OpDecorate %_entryPointOutput Location 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%float_0 = OpConstant %float 0
%14 = OpConstantComposite %v4float %float_0 %float_0 %float_0 %float_0
%_ptr_Input_v4float = OpTypePointer Input %v4float
%gl_FragCoord = OpVariable %_ptr_Input_v4float Input
%_ptr_Output_v4float = OpTypePointer Output %v4float
%_entryPointOutput = OpVariable %_ptr_Output_v4float Output
%main = OpFunction %void None %3
%5 = OpLabel
OpStore %_entryPointOutput %14
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv, env);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState(env));
EXPECT_THAT(getDiagnosticString(),
HasSubstr("A BuiltIn variable (id 2) cannot have any Location or "
"Component decorations"));
}
// #version 440
// #extension GL_EXT_nonuniform_qualifier : enable
// layout(binding = 1) uniform sampler2D s2d[];
// layout(location = 0) in nonuniformEXT int i;
// void main()
// {
// vec4 v = texture(s2d[i], vec2(0.3));
// }
TEST_F(ValidateDecorations, RuntimeArrayOfDescriptorSetsIsAllowed) {
const spv_target_env env = SPV_ENV_VULKAN_1_0;
std::string spirv = R"(
OpCapability Shader
OpCapability ShaderNonUniformEXT
OpCapability RuntimeDescriptorArrayEXT
OpCapability SampledImageArrayNonUniformIndexingEXT
OpExtension "SPV_EXT_descriptor_indexing"
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %main "main" %i
OpSource GLSL 440
OpSourceExtension "GL_EXT_nonuniform_qualifier"
OpName %main "main"
OpName %v "v"
OpName %s2d "s2d"
OpName %i "i"
OpDecorate %s2d DescriptorSet 0
OpDecorate %s2d Binding 1
OpDecorate %i Location 0
OpDecorate %i NonUniformEXT
OpDecorate %18 NonUniformEXT
OpDecorate %21 NonUniformEXT
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%_ptr_Function_v4float = OpTypePointer Function %v4float
%10 = OpTypeImage %float 2D 0 0 0 1 Unknown
%11 = OpTypeSampledImage %10
%_runtimearr_11 = OpTypeRuntimeArray %11
%_ptr_Uniform__runtimearr_11 = OpTypePointer Uniform %_runtimearr_11
%s2d = OpVariable %_ptr_Uniform__runtimearr_11 Uniform
%int = OpTypeInt 32 1
%_ptr_Input_int = OpTypePointer Input %int
%i = OpVariable %_ptr_Input_int Input
%_ptr_Uniform_11 = OpTypePointer Uniform %11
%v2float = OpTypeVector %float 2
%float_0_300000012 = OpConstant %float 0.300000012
%24 = OpConstantComposite %v2float %float_0_300000012 %float_0_300000012
%float_0 = OpConstant %float 0
%main = OpFunction %void None %3
%5 = OpLabel
%v = OpVariable %_ptr_Function_v4float Function
%18 = OpLoad %int %i
%20 = OpAccessChain %_ptr_Uniform_11 %s2d %18
%21 = OpLoad %11 %20
%26 = OpImageSampleExplicitLod %v4float %21 %24 Lod %float_0
OpStore %v %26
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv, env);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState());
}
TEST_F(ValidateDecorations, BlockMissingOffsetBad) {
std::string spirv = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpSource GLSL 430
OpDecorate %Output Block
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%Output = OpTypeStruct %float
%_ptr_Uniform_Output = OpTypePointer Uniform %Output
%dataOutput = OpVariable %_ptr_Uniform_Output Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("must be explicitly laid out with Offset decorations"));
}
TEST_F(ValidateDecorations, BufferBlockMissingOffsetBad) {
std::string spirv = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpSource GLSL 430
OpDecorate %Output BufferBlock
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%Output = OpTypeStruct %float
%_ptr_Uniform_Output = OpTypePointer Uniform %Output
%dataOutput = OpVariable %_ptr_Uniform_Output Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("must be explicitly laid out with Offset decorations"));
}
TEST_F(ValidateDecorations, BlockNestedStructMissingOffsetBad) {
std::string spirv = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpSource GLSL 430
OpMemberDecorate %S 0 Offset 0
OpMemberDecorate %Output 0 Offset 0
OpMemberDecorate %Output 1 Offset 16
OpMemberDecorate %Output 2 Offset 32
OpDecorate %Output Block
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%v3float = OpTypeVector %float 3
%int = OpTypeInt 32 1
%S = OpTypeStruct %v3float %int
%Output = OpTypeStruct %float %v4float %S
%_ptr_Uniform_Output = OpTypePointer Uniform %Output
%dataOutput = OpVariable %_ptr_Uniform_Output Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("must be explicitly laid out with Offset decorations"));
}
TEST_F(ValidateDecorations, BufferBlockNestedStructMissingOffsetBad) {
std::string spirv = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpSource GLSL 430
OpMemberDecorate %S 0 Offset 0
OpMemberDecorate %Output 0 Offset 0
OpMemberDecorate %Output 1 Offset 16
OpMemberDecorate %Output 2 Offset 32
OpDecorate %Output BufferBlock
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%v3float = OpTypeVector %float 3
%int = OpTypeInt 32 1
%S = OpTypeStruct %v3float %int
%Output = OpTypeStruct %float %v4float %S
%_ptr_Uniform_Output = OpTypePointer Uniform %Output
%dataOutput = OpVariable %_ptr_Uniform_Output Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("must be explicitly laid out with Offset decorations"));
}
TEST_F(ValidateDecorations, BlockGLSLSharedBad) {
std::string spirv = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpSource GLSL 430
OpDecorate %Output Block
OpDecorate %Output GLSLShared
OpMemberDecorate %Output 0 Offset 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%Output = OpTypeStruct %float
%_ptr_Uniform_Output = OpTypePointer Uniform %Output
%dataOutput = OpVariable %_ptr_Uniform_Output Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("must not use GLSLShared decoration"));
}
TEST_F(ValidateDecorations, BufferBlockGLSLSharedBad) {
std::string spirv = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpSource GLSL 430
OpDecorate %Output BufferBlock
OpDecorate %Output GLSLShared
OpMemberDecorate %Output 0 Offset 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%Output = OpTypeStruct %float
%_ptr_Uniform_Output = OpTypePointer Uniform %Output
%dataOutput = OpVariable %_ptr_Uniform_Output Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("must not use GLSLShared decoration"));
}
TEST_F(ValidateDecorations, BlockNestedStructGLSLSharedBad) {
std::string spirv = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpSource GLSL 430
OpMemberDecorate %S 0 Offset 0
OpDecorate %S GLSLShared
OpMemberDecorate %Output 0 Offset 0
OpMemberDecorate %Output 1 Offset 16
OpMemberDecorate %Output 2 Offset 32
OpDecorate %Output Block
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%int = OpTypeInt 32 1
%S = OpTypeStruct %int
%Output = OpTypeStruct %float %v4float %S
%_ptr_Uniform_Output = OpTypePointer Uniform %Output
%dataOutput = OpVariable %_ptr_Uniform_Output Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("must not use GLSLShared decoration"));
}
TEST_F(ValidateDecorations, BufferBlockNestedStructGLSLSharedBad) {
std::string spirv = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpSource GLSL 430
OpMemberDecorate %S 0 Offset 0
OpDecorate %S GLSLShared
OpMemberDecorate %Output 0 Offset 0
OpMemberDecorate %Output 1 Offset 16
OpMemberDecorate %Output 2 Offset 32
OpDecorate %Output BufferBlock
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%int = OpTypeInt 32 1
%S = OpTypeStruct %int
%Output = OpTypeStruct %float %v4float %S
%_ptr_Uniform_Output = OpTypePointer Uniform %Output
%dataOutput = OpVariable %_ptr_Uniform_Output Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("must not use GLSLShared decoration"));
}
TEST_F(ValidateDecorations, BlockGLSLPackedBad) {
std::string spirv = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpSource GLSL 430
OpDecorate %Output Block
OpDecorate %Output GLSLPacked
OpMemberDecorate %Output 0 Offset 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%Output = OpTypeStruct %float
%_ptr_Uniform_Output = OpTypePointer Uniform %Output
%dataOutput = OpVariable %_ptr_Uniform_Output Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("must not use GLSLPacked decoration"));
}
TEST_F(ValidateDecorations, BufferBlockGLSLPackedBad) {
std::string spirv = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpSource GLSL 430
OpDecorate %Output BufferBlock
OpDecorate %Output GLSLPacked
OpMemberDecorate %Output 0 Offset 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%Output = OpTypeStruct %float
%_ptr_Uniform_Output = OpTypePointer Uniform %Output
%dataOutput = OpVariable %_ptr_Uniform_Output Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("must not use GLSLPacked decoration"));
}
TEST_F(ValidateDecorations, BlockNestedStructGLSLPackedBad) {
std::string spirv = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpSource GLSL 430
OpMemberDecorate %S 0 Offset 0
OpDecorate %S GLSLPacked
OpMemberDecorate %Output 0 Offset 0
OpMemberDecorate %Output 1 Offset 16
OpMemberDecorate %Output 2 Offset 32
OpDecorate %Output Block
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%int = OpTypeInt 32 1
%S = OpTypeStruct %int
%Output = OpTypeStruct %float %v4float %S
%_ptr_Uniform_Output = OpTypePointer Uniform %Output
%dataOutput = OpVariable %_ptr_Uniform_Output Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("must not use GLSLPacked decoration"));
}
TEST_F(ValidateDecorations, BufferBlockNestedStructGLSLPackedBad) {
std::string spirv = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpSource GLSL 430
OpMemberDecorate %S 0 Offset 0
OpDecorate %S GLSLPacked
OpMemberDecorate %Output 0 Offset 0
OpMemberDecorate %Output 1 Offset 16
OpMemberDecorate %Output 2 Offset 32
OpDecorate %Output BufferBlock
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%int = OpTypeInt 32 1
%S = OpTypeStruct %int
%Output = OpTypeStruct %float %v4float %S
%_ptr_Uniform_Output = OpTypePointer Uniform %Output
%dataOutput = OpVariable %_ptr_Uniform_Output Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("must not use GLSLPacked decoration"));
}
TEST_F(ValidateDecorations, BlockMissingArrayStrideBad) {
std::string spirv = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpSource GLSL 430
OpDecorate %Output Block
OpMemberDecorate %Output 0 Offset 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%int = OpTypeInt 32 1
%int_3 = OpConstant %int 3
%array = OpTypeArray %float %int_3
%Output = OpTypeStruct %array
%_ptr_Uniform_Output = OpTypePointer Uniform %Output
%dataOutput = OpVariable %_ptr_Uniform_Output Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr("must be explicitly laid out with ArrayStride decorations"));
}
TEST_F(ValidateDecorations, BufferBlockMissingArrayStrideBad) {
std::string spirv = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpSource GLSL 430
OpDecorate %Output BufferBlock
OpMemberDecorate %Output 0 Offset 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%int = OpTypeInt 32 1
%int_3 = OpConstant %int 3
%array = OpTypeArray %float %int_3
%Output = OpTypeStruct %array
%_ptr_Uniform_Output = OpTypePointer Uniform %Output
%dataOutput = OpVariable %_ptr_Uniform_Output Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr("must be explicitly laid out with ArrayStride decorations"));
}
TEST_F(ValidateDecorations, BlockNestedStructMissingArrayStrideBad) {
std::string spirv = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpSource GLSL 430
OpMemberDecorate %S 0 Offset 0
OpMemberDecorate %Output 0 Offset 0
OpMemberDecorate %Output 1 Offset 16
OpMemberDecorate %Output 2 Offset 32
OpDecorate %Output Block
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%int = OpTypeInt 32 1
%int_3 = OpConstant %int 3
%array = OpTypeArray %float %int_3
%S = OpTypeStruct %array
%Output = OpTypeStruct %float %v4float %S
%_ptr_Uniform_Output = OpTypePointer Uniform %Output
%dataOutput = OpVariable %_ptr_Uniform_Output Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr("must be explicitly laid out with ArrayStride decorations"));
}
TEST_F(ValidateDecorations, BufferBlockNestedStructMissingArrayStrideBad) {
std::string spirv = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpSource GLSL 430
OpMemberDecorate %S 0 Offset 0
OpMemberDecorate %Output 0 Offset 0
OpMemberDecorate %Output 1 Offset 16
OpMemberDecorate %Output 2 Offset 32
OpDecorate %Output BufferBlock
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%int = OpTypeInt 32 1
%int_3 = OpConstant %int 3
%array = OpTypeArray %float %int_3
%S = OpTypeStruct %array
%Output = OpTypeStruct %float %v4float %S
%_ptr_Uniform_Output = OpTypePointer Uniform %Output
%dataOutput = OpVariable %_ptr_Uniform_Output Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr("must be explicitly laid out with ArrayStride decorations"));
}
TEST_F(ValidateDecorations, BlockMissingMatrixStrideBad) {
std::string spirv = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpSource GLSL 430
OpDecorate %Output Block
OpMemberDecorate %Output 0 Offset 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v3float = OpTypeVector %float 3
%matrix = OpTypeMatrix %v3float 4
%Output = OpTypeStruct %matrix
%_ptr_Uniform_Output = OpTypePointer Uniform %Output
%dataOutput = OpVariable %_ptr_Uniform_Output Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr("must be explicitly laid out with MatrixStride decorations"));
}
TEST_F(ValidateDecorations, BufferBlockMissingMatrixStrideBad) {
std::string spirv = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpSource GLSL 430
OpDecorate %Output BufferBlock
OpMemberDecorate %Output 0 Offset 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v3float = OpTypeVector %float 3
%matrix = OpTypeMatrix %v3float 4
%Output = OpTypeStruct %matrix
%_ptr_Uniform_Output = OpTypePointer Uniform %Output
%dataOutput = OpVariable %_ptr_Uniform_Output Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr("must be explicitly laid out with MatrixStride decorations"));
}
TEST_F(ValidateDecorations, BlockMissingMatrixStrideArrayBad) {
std::string spirv = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpSource GLSL 430
OpDecorate %Output Block
OpMemberDecorate %Output 0 Offset 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v3float = OpTypeVector %float 3
%matrix = OpTypeMatrix %v3float 4
%int = OpTypeInt 32 1
%int_3 = OpConstant %int 3
%array = OpTypeArray %matrix %int_3
%Output = OpTypeStruct %matrix
%_ptr_Uniform_Output = OpTypePointer Uniform %Output
%dataOutput = OpVariable %_ptr_Uniform_Output Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr("must be explicitly laid out with MatrixStride decorations"));
}
TEST_F(ValidateDecorations, BufferBlockMissingMatrixStrideArrayBad) {
std::string spirv = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpSource GLSL 430
OpDecorate %Output BufferBlock
OpMemberDecorate %Output 0 Offset 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v3float = OpTypeVector %float 3
%matrix = OpTypeMatrix %v3float 4
%int = OpTypeInt 32 1
%int_3 = OpConstant %int 3
%array = OpTypeArray %matrix %int_3
%Output = OpTypeStruct %matrix
%_ptr_Uniform_Output = OpTypePointer Uniform %Output
%dataOutput = OpVariable %_ptr_Uniform_Output Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr("must be explicitly laid out with MatrixStride decorations"));
}
TEST_F(ValidateDecorations, BlockNestedStructMissingMatrixStrideBad) {
std::string spirv = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpSource GLSL 430
OpMemberDecorate %S 0 Offset 0
OpMemberDecorate %Output 0 Offset 0
OpMemberDecorate %Output 1 Offset 16
OpMemberDecorate %Output 2 Offset 32
OpDecorate %Output Block
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v3float = OpTypeVector %float 3
%v4float = OpTypeVector %float 4
%matrix = OpTypeMatrix %v3float 4
%S = OpTypeStruct %matrix
%Output = OpTypeStruct %float %v4float %S
%_ptr_Uniform_Output = OpTypePointer Uniform %Output
%dataOutput = OpVariable %_ptr_Uniform_Output Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr("must be explicitly laid out with MatrixStride decorations"));
}
TEST_F(ValidateDecorations, BufferBlockNestedStructMissingMatrixStrideBad) {
std::string spirv = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpSource GLSL 430
OpMemberDecorate %S 0 Offset 0
OpMemberDecorate %Output 0 Offset 0
OpMemberDecorate %Output 1 Offset 16
OpMemberDecorate %Output 2 Offset 32
OpDecorate %Output BufferBlock
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v3float = OpTypeVector %float 3
%v4float = OpTypeVector %float 4
%matrix = OpTypeMatrix %v3float 4
%S = OpTypeStruct %matrix
%Output = OpTypeStruct %float %v4float %S
%_ptr_Uniform_Output = OpTypePointer Uniform %Output
%dataOutput = OpVariable %_ptr_Uniform_Output Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr("must be explicitly laid out with MatrixStride decorations"));
}
TEST_F(ValidateDecorations, BlockStandardUniformBufferLayout) {
std::string spirv = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpSource GLSL 430
OpMemberDecorate %F 0 Offset 0
OpMemberDecorate %F 1 Offset 8
OpDecorate %_arr_float_uint_2 ArrayStride 16
OpDecorate %_arr_mat3v3float_uint_2 ArrayStride 48
OpMemberDecorate %O 0 Offset 0
OpMemberDecorate %O 1 Offset 16
OpMemberDecorate %O 2 Offset 32
OpMemberDecorate %O 3 Offset 64
OpMemberDecorate %O 4 ColMajor
OpMemberDecorate %O 4 Offset 80
OpMemberDecorate %O 4 MatrixStride 16
OpDecorate %_arr_O_uint_2 ArrayStride 176
OpMemberDecorate %Output 0 Offset 0
OpMemberDecorate %Output 1 Offset 8
OpMemberDecorate %Output 2 Offset 16
OpMemberDecorate %Output 3 Offset 32
OpMemberDecorate %Output 4 Offset 48
OpMemberDecorate %Output 5 Offset 64
OpMemberDecorate %Output 6 ColMajor
OpMemberDecorate %Output 6 Offset 96
OpMemberDecorate %Output 6 MatrixStride 16
OpMemberDecorate %Output 7 Offset 128
OpDecorate %Output Block
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v2float = OpTypeVector %float 2
%v3float = OpTypeVector %float 3
%int = OpTypeInt 32 1
%uint = OpTypeInt 32 0
%v2uint = OpTypeVector %uint 2
%F = OpTypeStruct %int %v2uint
%uint_2 = OpConstant %uint 2
%_arr_float_uint_2 = OpTypeArray %float %uint_2
%mat2v3float = OpTypeMatrix %v3float 2
%v3uint = OpTypeVector %uint 3
%mat3v3float = OpTypeMatrix %v3float 3
%_arr_mat3v3float_uint_2 = OpTypeArray %mat3v3float %uint_2
%O = OpTypeStruct %v3uint %v2float %_arr_float_uint_2 %v2float %_arr_mat3v3float_uint_2
%_arr_O_uint_2 = OpTypeArray %O %uint_2
%Output = OpTypeStruct %float %v2float %v3float %F %float %_arr_float_uint_2 %mat2v3float %_arr_O_uint_2
%_ptr_Uniform_Output = OpTypePointer Uniform %Output
%dataOutput = OpVariable %_ptr_Uniform_Output Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState());
}
TEST_F(ValidateDecorations, BlockLayoutPermitsTightVec3ScalarPackingGood) {
// See https://github.com/KhronosGroup/SPIRV-Tools/issues/1666
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %main "main"
OpSource GLSL 450
OpMemberDecorate %S 0 Offset 0
OpMemberDecorate %S 1 Offset 12
OpDecorate %S Block
OpDecorate %B DescriptorSet 0
OpDecorate %B Binding 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v3float = OpTypeVector %float 3
%S = OpTypeStruct %v3float %float
%_ptr_Uniform_S = OpTypePointer Uniform %S
%B = OpVariable %_ptr_Uniform_S Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState())
<< getDiagnosticString();
}
TEST_F(ValidateDecorations, BlockLayoutForbidsTightScalarVec3PackingBad) {
// See https://github.com/KhronosGroup/SPIRV-Tools/issues/1666
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %main "main"
OpSource GLSL 450
OpMemberDecorate %S 0 Offset 0
OpMemberDecorate %S 1 Offset 4
OpDecorate %S Block
OpDecorate %B DescriptorSet 0
OpDecorate %B Binding 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v3float = OpTypeVector %float 3
%S = OpTypeStruct %float %v3float
%_ptr_Uniform_S = OpTypePointer Uniform %S
%B = OpVariable %_ptr_Uniform_S Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr("Structure id 2 decorated as Block for variable in Uniform "
"storage class must follow standard uniform buffer layout "
"rules: member 1 at offset 4 is not aligned to 16"));
}
TEST_F(ValidateDecorations,
BlockLayoutPermitsTightScalarVec3PackingWithRelaxedLayoutGood) {
// Same as previous test, but with explicit option to relax block layout.
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %main "main"
OpSource GLSL 450
OpMemberDecorate %S 0 Offset 0
OpMemberDecorate %S 1 Offset 4
OpDecorate %S Block
OpDecorate %B DescriptorSet 0
OpDecorate %B Binding 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v3float = OpTypeVector %float 3
%S = OpTypeStruct %float %v3float
%_ptr_Uniform_S = OpTypePointer Uniform %S
%B = OpVariable %_ptr_Uniform_S Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
spvValidatorOptionsSetRelaxBlockLayout(getValidatorOptions(), true);
EXPECT_EQ(SPV_SUCCESS,
ValidateAndRetrieveValidationState(SPV_ENV_VULKAN_1_0));
EXPECT_THAT(getDiagnosticString(), Eq(""));
}
TEST_F(ValidateDecorations,
BlockLayoutPermitsTightScalarVec3PackingBadOffsetWithRelaxedLayoutBad) {
// Same as previous test, but with the vector not aligned to its scalar
// element. Use offset 5 instead of a multiple of 4.
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %main "main"
OpSource GLSL 450
OpMemberDecorate %S 0 Offset 0
OpMemberDecorate %S 1 Offset 5
OpDecorate %S Block
OpDecorate %B DescriptorSet 0
OpDecorate %B Binding 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v3float = OpTypeVector %float 3
%S = OpTypeStruct %float %v3float
%_ptr_Uniform_S = OpTypePointer Uniform %S
%B = OpVariable %_ptr_Uniform_S Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
spvValidatorOptionsSetRelaxBlockLayout(getValidatorOptions(), true);
EXPECT_EQ(SPV_ERROR_INVALID_ID,
ValidateAndRetrieveValidationState(SPV_ENV_VULKAN_1_0));
EXPECT_THAT(
getDiagnosticString(),
HasSubstr(
"Structure id 2 decorated as Block for variable in Uniform storage "
"class must follow relaxed uniform buffer layout rules: member 1 at "
"offset 5 is not aligned to scalar element size 4"));
}
TEST_F(ValidateDecorations,
BlockLayoutPermitsTightScalarVec3PackingWithVulkan1_1Good) {
// Same as previous test, but with Vulkan 1.1. Vulkan 1.1 included
// VK_KHR_relaxed_block_layout in core.
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %main "main"
OpSource GLSL 450
OpMemberDecorate %S 0 Offset 0
OpMemberDecorate %S 1 Offset 4
OpDecorate %S Block
OpDecorate %B DescriptorSet 0
OpDecorate %B Binding 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v3float = OpTypeVector %float 3
%S = OpTypeStruct %float %v3float
%_ptr_Uniform_S = OpTypePointer Uniform %S
%B = OpVariable %_ptr_Uniform_S Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS,
ValidateAndRetrieveValidationState(SPV_ENV_VULKAN_1_1));
EXPECT_THAT(getDiagnosticString(), Eq(""));
}
TEST_F(ValidateDecorations,
BlockLayoutPermitsTightScalarVec3PackingWithScalarLayoutGood) {
// Same as previous test, but with scalar block layout.
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %main "main"
OpSource GLSL 450
OpMemberDecorate %S 0 Offset 0
OpMemberDecorate %S 1 Offset 4
OpDecorate %S Block
OpDecorate %B DescriptorSet 0
OpDecorate %B Binding 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v3float = OpTypeVector %float 3
%S = OpTypeStruct %float %v3float
%_ptr_Uniform_S = OpTypePointer Uniform %S
%B = OpVariable %_ptr_Uniform_S Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
spvValidatorOptionsSetScalarBlockLayout(getValidatorOptions(), true);
EXPECT_EQ(SPV_SUCCESS,
ValidateAndRetrieveValidationState(SPV_ENV_VULKAN_1_0));
EXPECT_THAT(getDiagnosticString(), Eq(""));
}
TEST_F(ValidateDecorations,
BlockLayoutPermitsScalarAlignedArrayWithScalarLayoutGood) {
// The array at offset 4 is ok with scalar block layout.
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %main "main"
OpSource GLSL 450
OpMemberDecorate %S 0 Offset 0
OpMemberDecorate %S 1 Offset 4
OpDecorate %S Block
OpDecorate %B DescriptorSet 0
OpDecorate %B Binding 0
OpDecorate %arr_float ArrayStride 4
%void = OpTypeVoid
%3 = OpTypeFunction %void
%uint = OpTypeInt 32 0
%uint_3 = OpConstant %uint 3
%float = OpTypeFloat 32
%arr_float = OpTypeArray %float %uint_3
%S = OpTypeStruct %float %arr_float
%_ptr_Uniform_S = OpTypePointer Uniform %S
%B = OpVariable %_ptr_Uniform_S Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
spvValidatorOptionsSetScalarBlockLayout(getValidatorOptions(), true);
EXPECT_EQ(SPV_SUCCESS,
ValidateAndRetrieveValidationState(SPV_ENV_VULKAN_1_0));
EXPECT_THAT(getDiagnosticString(), Eq(""));
}
TEST_F(ValidateDecorations,
BlockLayoutPermitsScalarAlignedArrayOfVec3WithScalarLayoutGood) {
// The array at offset 4 is ok with scalar block layout, even though
// its elements are vec3.
// This is the same as the previous case, but the array elements are vec3
// instead of float.
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %main "main"
OpSource GLSL 450
OpMemberDecorate %S 0 Offset 0
OpMemberDecorate %S 1 Offset 4
OpDecorate %S Block
OpDecorate %B DescriptorSet 0
OpDecorate %B Binding 0
OpDecorate %arr_vec3 ArrayStride 12
%void = OpTypeVoid
%3 = OpTypeFunction %void
%uint = OpTypeInt 32 0
%uint_3 = OpConstant %uint 3
%float = OpTypeFloat 32
%vec3 = OpTypeVector %float 3
%arr_vec3 = OpTypeArray %vec3 %uint_3
%S = OpTypeStruct %float %arr_vec3
%_ptr_Uniform_S = OpTypePointer Uniform %S
%B = OpVariable %_ptr_Uniform_S Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
spvValidatorOptionsSetScalarBlockLayout(getValidatorOptions(), true);
EXPECT_EQ(SPV_SUCCESS,
ValidateAndRetrieveValidationState(SPV_ENV_VULKAN_1_0));
EXPECT_THAT(getDiagnosticString(), Eq(""));
}
TEST_F(ValidateDecorations,
BlockLayoutPermitsScalarAlignedStructWithScalarLayoutGood) {
// Scalar block layout permits the struct at offset 4, even though
// it contains a vector with base alignment 8 and scalar alignment 4.
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %main "main"
OpSource GLSL 450
OpMemberDecorate %S 0 Offset 0
OpMemberDecorate %S 1 Offset 4
OpMemberDecorate %st 0 Offset 0
OpMemberDecorate %st 1 Offset 8
OpDecorate %S Block
OpDecorate %B DescriptorSet 0
OpDecorate %B Binding 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%vec2 = OpTypeVector %float 2
%st = OpTypeStruct %vec2 %float
%S = OpTypeStruct %float %st
%_ptr_Uniform_S = OpTypePointer Uniform %S
%B = OpVariable %_ptr_Uniform_S Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
spvValidatorOptionsSetScalarBlockLayout(getValidatorOptions(), true);
EXPECT_EQ(SPV_SUCCESS,
ValidateAndRetrieveValidationState(SPV_ENV_VULKAN_1_0));
EXPECT_THAT(getDiagnosticString(), Eq(""));
}
TEST_F(
ValidateDecorations,
BlockLayoutPermitsFieldsInBaseAlignmentPaddingAtEndOfStructWithScalarLayoutGood) {
// Scalar block layout permits fields in what would normally be the padding at
// the end of a struct.
std::string spirv = R"(
OpCapability Shader
OpCapability Float64
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %main "main"
OpSource GLSL 450
OpMemberDecorate %st 0 Offset 0
OpMemberDecorate %st 1 Offset 8
OpMemberDecorate %S 0 Offset 0
OpMemberDecorate %S 1 Offset 12
OpDecorate %S Block
OpDecorate %B DescriptorSet 0
OpDecorate %B Binding 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%double = OpTypeFloat 64
%st = OpTypeStruct %double %float
%S = OpTypeStruct %st %float
%_ptr_Uniform_S = OpTypePointer Uniform %S
%B = OpVariable %_ptr_Uniform_S Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
spvValidatorOptionsSetScalarBlockLayout(getValidatorOptions(), true);
EXPECT_EQ(SPV_SUCCESS,
ValidateAndRetrieveValidationState(SPV_ENV_VULKAN_1_0));
EXPECT_THAT(getDiagnosticString(), Eq(""));
}
TEST_F(
ValidateDecorations,
BlockLayoutPermitsStraddlingVectorWithScalarLayoutOverrideRelaxBlockLayoutGood) {
// Same as previous, but set relaxed block layout first. Scalar layout always
// wins.
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %main "main"
OpSource GLSL 450
OpMemberDecorate %S 0 Offset 0
OpMemberDecorate %S 1 Offset 4
OpDecorate %S Block
OpDecorate %B DescriptorSet 0
OpDecorate %B Binding 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%vec4 = OpTypeVector %float 4
%S = OpTypeStruct %float %vec4
%_ptr_Uniform_S = OpTypePointer Uniform %S
%B = OpVariable %_ptr_Uniform_S Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
spvValidatorOptionsSetRelaxBlockLayout(getValidatorOptions(), true);
spvValidatorOptionsSetScalarBlockLayout(getValidatorOptions(), true);
EXPECT_EQ(SPV_SUCCESS,
ValidateAndRetrieveValidationState(SPV_ENV_VULKAN_1_0));
EXPECT_THAT(getDiagnosticString(), Eq(""));
}
TEST_F(
ValidateDecorations,
BlockLayoutPermitsStraddlingVectorWithRelaxedLayoutOverridenByScalarBlockLayoutGood) {
// Same as previous, but set scalar block layout first. Scalar layout always
// wins.
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %main "main"
OpSource GLSL 450
OpMemberDecorate %S 0 Offset 0
OpMemberDecorate %S 1 Offset 4
OpDecorate %S Block
OpDecorate %B DescriptorSet 0
OpDecorate %B Binding 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%vec4 = OpTypeVector %float 4
%S = OpTypeStruct %float %vec4
%_ptr_Uniform_S = OpTypePointer Uniform %S
%B = OpVariable %_ptr_Uniform_S Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
spvValidatorOptionsSetScalarBlockLayout(getValidatorOptions(), true);
spvValidatorOptionsSetRelaxBlockLayout(getValidatorOptions(), true);
EXPECT_EQ(SPV_SUCCESS,
ValidateAndRetrieveValidationState(SPV_ENV_VULKAN_1_0));
EXPECT_THAT(getDiagnosticString(), Eq(""));
}
TEST_F(ValidateDecorations, BufferBlock16bitStandardStorageBufferLayout) {
std::string spirv = R"(
OpCapability Shader
OpCapability StorageUniform16
OpExtension "SPV_KHR_16bit_storage"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpDecorate %f32arr ArrayStride 4
OpDecorate %f16arr ArrayStride 2
OpMemberDecorate %SSBO32 0 Offset 0
OpMemberDecorate %SSBO16 0 Offset 0
OpDecorate %SSBO32 BufferBlock
OpDecorate %SSBO16 BufferBlock
%void = OpTypeVoid
%voidf = OpTypeFunction %void
%u32 = OpTypeInt 32 0
%i32 = OpTypeInt 32 1
%f32 = OpTypeFloat 32
%uvec3 = OpTypeVector %u32 3
%c_i32_32 = OpConstant %i32 32
%c_i32_128 = OpConstant %i32 128
%f32arr = OpTypeArray %f32 %c_i32_128
%f16 = OpTypeFloat 16
%f16arr = OpTypeArray %f16 %c_i32_128
%SSBO32 = OpTypeStruct %f32arr
%SSBO16 = OpTypeStruct %f16arr
%_ptr_Uniform_SSBO32 = OpTypePointer Uniform %SSBO32
%varSSBO32 = OpVariable %_ptr_Uniform_SSBO32 Uniform
%_ptr_Uniform_SSBO16 = OpTypePointer Uniform %SSBO16
%varSSBO16 = OpVariable %_ptr_Uniform_SSBO16 Uniform
%main = OpFunction %void None %voidf
%label = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState());
}
TEST_F(ValidateDecorations, BlockArrayBaseAlignmentGood) {
// For uniform buffer, Array base alignment is 16, and ArrayStride
// must be a multiple of 16.
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %main "main"
OpSource GLSL 450
OpDecorate %_arr_float_uint_2 ArrayStride 16
OpMemberDecorate %S 0 Offset 0
OpMemberDecorate %S 1 Offset 16
OpDecorate %S Block
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v2float = OpTypeVector %float 2
%uint = OpTypeInt 32 0
%uint_2 = OpConstant %uint 2
%_arr_float_uint_2 = OpTypeArray %float %uint_2
%S = OpTypeStruct %v2float %_arr_float_uint_2
%_ptr_PushConstant_S = OpTypePointer PushConstant %S
%u = OpVariable %_ptr_PushConstant_S PushConstant
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState())
<< getDiagnosticString();
}
TEST_F(ValidateDecorations, BlockArrayBadAlignmentBad) {
// For uniform buffer, Array base alignment is 16.
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %main "main"
OpSource GLSL 450
OpDecorate %_arr_float_uint_2 ArrayStride 16
OpMemberDecorate %S 0 Offset 0
OpMemberDecorate %S 1 Offset 8
OpDecorate %S Block
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v2float = OpTypeVector %float 2
%uint = OpTypeInt 32 0
%uint_2 = OpConstant %uint 2
%_arr_float_uint_2 = OpTypeArray %float %uint_2
%S = OpTypeStruct %v2float %_arr_float_uint_2
%_ptr_Uniform_S = OpTypePointer Uniform %S
%u = OpVariable %_ptr_Uniform_S Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr(
"Structure id 3 decorated as Block for variable in Uniform "
"storage class must follow standard uniform buffer layout rules: "
"member 1 at offset 8 is not aligned to 16"));
}
TEST_F(ValidateDecorations, BlockArrayBadAlignmentWithRelaxedLayoutStillBad) {
// For uniform buffer, Array base alignment is 16, and ArrayStride
// must be a multiple of 16. This case uses relaxed block layout. Relaxed
// layout only relaxes rules for vector alignment, not array alignment.
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %main "main"
OpSource GLSL 450
OpDecorate %_arr_float_uint_2 ArrayStride 16
OpDecorate %u DescriptorSet 0
OpDecorate %u Binding 0
OpMemberDecorate %S 0 Offset 0
OpMemberDecorate %S 1 Offset 8
OpDecorate %S Block
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v2float = OpTypeVector %float 2
%uint = OpTypeInt 32 0
%uint_2 = OpConstant %uint 2
%_arr_float_uint_2 = OpTypeArray %float %uint_2
%S = OpTypeStruct %v2float %_arr_float_uint_2
%_ptr_Uniform_S = OpTypePointer Uniform %S
%u = OpVariable %_ptr_Uniform_S Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID,
ValidateAndRetrieveValidationState(SPV_ENV_VULKAN_1_0));
spvValidatorOptionsSetRelaxBlockLayout(getValidatorOptions(), true);
EXPECT_THAT(
getDiagnosticString(),
HasSubstr(
"Structure id 4 decorated as Block for variable in Uniform "
"storage class must follow standard uniform buffer layout rules: "
"member 1 at offset 8 is not aligned to 16"));
}
TEST_F(ValidateDecorations, BlockArrayBadAlignmentWithVulkan1_1StillBad) {
// Same as previous test, but with Vulkan 1.1, which includes
// VK_KHR_relaxed_block_layout in core.
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %main "main"
OpSource GLSL 450
OpDecorate %_arr_float_uint_2 ArrayStride 16
OpDecorate %u DescriptorSet 0
OpDecorate %u Binding 0
OpMemberDecorate %S 0 Offset 0
OpMemberDecorate %S 1 Offset 8
OpDecorate %S Block
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v2float = OpTypeVector %float 2
%uint = OpTypeInt 32 0
%uint_2 = OpConstant %uint 2
%_arr_float_uint_2 = OpTypeArray %float %uint_2
%S = OpTypeStruct %v2float %_arr_float_uint_2
%_ptr_Uniform_S = OpTypePointer Uniform %S
%u = OpVariable %_ptr_Uniform_S Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID,
ValidateAndRetrieveValidationState(SPV_ENV_VULKAN_1_1));
EXPECT_THAT(
getDiagnosticString(),
HasSubstr(
"Structure id 4 decorated as Block for variable in Uniform "
"storage class must follow relaxed uniform buffer layout rules: "
"member 1 at offset 8 is not aligned to 16"));
}
TEST_F(ValidateDecorations, PushConstantArrayBaseAlignmentGood) {
// Tests https://github.com/KhronosGroup/SPIRV-Tools/issues/1664
// From GLSL vertex shader:
// #version 450
// layout(push_constant) uniform S { vec2 v; float arr[2]; } u;
// void main() { }
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %main "main"
OpSource GLSL 450
OpDecorate %_arr_float_uint_2 ArrayStride 4
OpMemberDecorate %S 0 Offset 0
OpMemberDecorate %S 1 Offset 8
OpDecorate %S Block
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v2float = OpTypeVector %float 2
%uint = OpTypeInt 32 0
%uint_2 = OpConstant %uint 2
%_arr_float_uint_2 = OpTypeArray %float %uint_2
%S = OpTypeStruct %v2float %_arr_float_uint_2
%_ptr_PushConstant_S = OpTypePointer PushConstant %S
%u = OpVariable %_ptr_PushConstant_S PushConstant
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState())
<< getDiagnosticString();
}
TEST_F(ValidateDecorations, PushConstantArrayBadAlignmentBad) {
// Like the previous test, but with offset 7 instead of 8.
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %main "main"
OpSource GLSL 450
OpDecorate %_arr_float_uint_2 ArrayStride 4
OpMemberDecorate %S 0 Offset 0
OpMemberDecorate %S 1 Offset 7
OpDecorate %S Block
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v2float = OpTypeVector %float 2
%uint = OpTypeInt 32 0
%uint_2 = OpConstant %uint 2
%_arr_float_uint_2 = OpTypeArray %float %uint_2
%S = OpTypeStruct %v2float %_arr_float_uint_2
%_ptr_PushConstant_S = OpTypePointer PushConstant %S
%u = OpVariable %_ptr_PushConstant_S PushConstant
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr(
"Structure id 3 decorated as Block for variable in PushConstant "
"storage class must follow standard storage buffer layout rules: "
"member 1 at offset 7 is not aligned to 4"));
}
TEST_F(ValidateDecorations,
PushConstantLayoutPermitsTightVec3ScalarPackingGood) {
// See https://github.com/KhronosGroup/SPIRV-Tools/issues/1666
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %main "main"
OpSource GLSL 450
OpMemberDecorate %S 0 Offset 0
OpMemberDecorate %S 1 Offset 12
OpDecorate %S Block
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v3float = OpTypeVector %float 3
%S = OpTypeStruct %v3float %float
%_ptr_PushConstant_S = OpTypePointer PushConstant %S
%B = OpVariable %_ptr_PushConstant_S PushConstant
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState())
<< getDiagnosticString();
}
TEST_F(ValidateDecorations,
PushConstantLayoutForbidsTightScalarVec3PackingBad) {
// See https://github.com/KhronosGroup/SPIRV-Tools/issues/1666
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %main "main"
OpSource GLSL 450
OpMemberDecorate %S 0 Offset 0
OpMemberDecorate %S 1 Offset 4
OpDecorate %S Block
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v3float = OpTypeVector %float 3
%S = OpTypeStruct %float %v3float
%_ptr_Uniform_S = OpTypePointer PushConstant %S
%B = OpVariable %_ptr_Uniform_S PushConstant
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr(
"Structure id 2 decorated as Block for variable in PushConstant "
"storage class must follow standard storage buffer layout "
"rules: member 1 at offset 4 is not aligned to 16"));
}
TEST_F(ValidateDecorations, PushConstantMissingBlockGood) {
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %1 "main"
OpExecutionMode %1 OriginUpperLeft
OpMemberDecorate %struct 0 Offset 0
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%float = OpTypeFloat 32
%struct = OpTypeStruct %float
%ptr = OpTypePointer PushConstant %struct
%pc = OpVariable %ptr PushConstant
%1 = OpFunction %void None %voidfn
%label = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState())
<< getDiagnosticString();
}
TEST_F(ValidateDecorations, VulkanPushConstantMissingBlockBad) {
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %1 "main"
OpExecutionMode %1 OriginUpperLeft
OpMemberDecorate %struct 0 Offset 0
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%float = OpTypeFloat 32
%struct = OpTypeStruct %float
%ptr = OpTypePointer PushConstant %struct
%pc = OpVariable %ptr PushConstant
%1 = OpFunction %void None %voidfn
%label = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv, SPV_ENV_VULKAN_1_1);
EXPECT_EQ(SPV_ERROR_INVALID_ID,
ValidateAndRetrieveValidationState(SPV_ENV_VULKAN_1_1));
EXPECT_THAT(getDiagnosticString(),
HasSubstr("PushConstant id '2' is missing Block decoration.\n"
"From Vulkan spec, section 14.5.1:\n"
"Such variables must be identified with a Block "
"decoration"));
}
TEST_F(ValidateDecorations, MultiplePushConstantsSingleEntryPointGood) {
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %1 "main"
OpExecutionMode %1 OriginUpperLeft
OpDecorate %struct Block
OpMemberDecorate %struct 0 Offset 0
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%float = OpTypeFloat 32
%int = OpTypeInt 32 0
%int_0 = OpConstant %int 0
%struct = OpTypeStruct %float
%ptr = OpTypePointer PushConstant %struct
%ptr_float = OpTypePointer PushConstant %float
%pc1 = OpVariable %ptr PushConstant
%pc2 = OpVariable %ptr PushConstant
%1 = OpFunction %void None %voidfn
%label = OpLabel
%2 = OpAccessChain %ptr_float %pc1 %int_0
%3 = OpLoad %float %2
%4 = OpAccessChain %ptr_float %pc2 %int_0
%5 = OpLoad %float %4
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState())
<< getDiagnosticString();
}
TEST_F(ValidateDecorations,
VulkanMultiplePushConstantsDifferentEntryPointGood) {
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %1 "func1"
OpEntryPoint Fragment %2 "func2"
OpExecutionMode %2 OriginUpperLeft
OpDecorate %struct Block
OpMemberDecorate %struct 0 Offset 0
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%float = OpTypeFloat 32
%int = OpTypeInt 32 0
%int_0 = OpConstant %int 0
%struct = OpTypeStruct %float
%ptr = OpTypePointer PushConstant %struct
%ptr_float = OpTypePointer PushConstant %float
%pc1 = OpVariable %ptr PushConstant
%pc2 = OpVariable %ptr PushConstant
%1 = OpFunction %void None %voidfn
%label1 = OpLabel
%3 = OpAccessChain %ptr_float %pc1 %int_0
%4 = OpLoad %float %3
OpReturn
OpFunctionEnd
%2 = OpFunction %void None %voidfn
%label2 = OpLabel
%5 = OpAccessChain %ptr_float %pc2 %int_0
%6 = OpLoad %float %5
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv, SPV_ENV_VULKAN_1_1);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState(SPV_ENV_VULKAN_1_1))
<< getDiagnosticString();
}
TEST_F(ValidateDecorations,
VulkanMultiplePushConstantsUnusedSingleEntryPointGood) {
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %1 "main"
OpExecutionMode %1 OriginUpperLeft
OpDecorate %struct Block
OpMemberDecorate %struct 0 Offset 0
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%float = OpTypeFloat 32
%int = OpTypeInt 32 0
%int_0 = OpConstant %int 0
%struct = OpTypeStruct %float
%ptr = OpTypePointer PushConstant %struct
%ptr_float = OpTypePointer PushConstant %float
%pc1 = OpVariable %ptr PushConstant
%pc2 = OpVariable %ptr PushConstant
%1 = OpFunction %void None %voidfn
%label = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv, SPV_ENV_VULKAN_1_1);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState(SPV_ENV_VULKAN_1_1))
<< getDiagnosticString();
}
TEST_F(ValidateDecorations, VulkanMultiplePushConstantsSingleEntryPointBad) {
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %1 "main"
OpExecutionMode %1 OriginUpperLeft
OpDecorate %struct Block
OpMemberDecorate %struct 0 Offset 0
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%float = OpTypeFloat 32
%int = OpTypeInt 32 0
%int_0 = OpConstant %int 0
%struct = OpTypeStruct %float
%ptr = OpTypePointer PushConstant %struct
%ptr_float = OpTypePointer PushConstant %float
%pc1 = OpVariable %ptr PushConstant
%pc2 = OpVariable %ptr PushConstant
%1 = OpFunction %void None %voidfn
%label = OpLabel
%2 = OpAccessChain %ptr_float %pc1 %int_0
%3 = OpLoad %float %2
%4 = OpAccessChain %ptr_float %pc2 %int_0
%5 = OpLoad %float %4
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv, SPV_ENV_VULKAN_1_1);
EXPECT_EQ(SPV_ERROR_INVALID_ID,
ValidateAndRetrieveValidationState(SPV_ENV_VULKAN_1_1));
EXPECT_THAT(
getDiagnosticString(),
HasSubstr(
"Entry point id '1' uses more than one PushConstant interface.\n"
"From Vulkan spec, section 14.5.1:\n"
"There must be no more than one push constant block "
"statically used per shader entry point."));
}
TEST_F(ValidateDecorations,
VulkanMultiplePushConstantsDifferentEntryPointSubFunctionGood) {
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %1 "func1"
OpEntryPoint Fragment %2 "func2"
OpExecutionMode %2 OriginUpperLeft
OpDecorate %struct Block
OpMemberDecorate %struct 0 Offset 0
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%float = OpTypeFloat 32
%int = OpTypeInt 32 0
%int_0 = OpConstant %int 0
%struct = OpTypeStruct %float
%ptr = OpTypePointer PushConstant %struct
%ptr_float = OpTypePointer PushConstant %float
%pc1 = OpVariable %ptr PushConstant
%pc2 = OpVariable %ptr PushConstant
%sub1 = OpFunction %void None %voidfn
%label_sub1 = OpLabel
%3 = OpAccessChain %ptr_float %pc1 %int_0
%4 = OpLoad %float %3
OpReturn
OpFunctionEnd
%sub2 = OpFunction %void None %voidfn
%label_sub2 = OpLabel
%5 = OpAccessChain %ptr_float %pc2 %int_0
%6 = OpLoad %float %5
OpReturn
OpFunctionEnd
%1 = OpFunction %void None %voidfn
%label1 = OpLabel
%call1 = OpFunctionCall %void %sub1
OpReturn
OpFunctionEnd
%2 = OpFunction %void None %voidfn
%label2 = OpLabel
%call2 = OpFunctionCall %void %sub2
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv, SPV_ENV_VULKAN_1_1);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState(SPV_ENV_VULKAN_1_1))
<< getDiagnosticString();
}
TEST_F(ValidateDecorations,
VulkanMultiplePushConstantsSingleEntryPointSubFunctionBad) {
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %1 "main"
OpExecutionMode %1 OriginUpperLeft
OpDecorate %struct Block
OpMemberDecorate %struct 0 Offset 0
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%float = OpTypeFloat 32
%int = OpTypeInt 32 0
%int_0 = OpConstant %int 0
%struct = OpTypeStruct %float
%ptr = OpTypePointer PushConstant %struct
%ptr_float = OpTypePointer PushConstant %float
%pc1 = OpVariable %ptr PushConstant
%pc2 = OpVariable %ptr PushConstant
%sub1 = OpFunction %void None %voidfn
%label_sub1 = OpLabel
%3 = OpAccessChain %ptr_float %pc1 %int_0
%4 = OpLoad %float %3
OpReturn
OpFunctionEnd
%sub2 = OpFunction %void None %voidfn
%label_sub2 = OpLabel
%5 = OpAccessChain %ptr_float %pc2 %int_0
%6 = OpLoad %float %5
OpReturn
OpFunctionEnd
%1 = OpFunction %void None %voidfn
%label1 = OpLabel
%call1 = OpFunctionCall %void %sub1
%call2 = OpFunctionCall %void %sub2
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv, SPV_ENV_VULKAN_1_1);
EXPECT_EQ(SPV_ERROR_INVALID_ID,
ValidateAndRetrieveValidationState(SPV_ENV_VULKAN_1_1));
EXPECT_THAT(
getDiagnosticString(),
HasSubstr(
"Entry point id '1' uses more than one PushConstant interface.\n"
"From Vulkan spec, section 14.5.1:\n"
"There must be no more than one push constant block "
"statically used per shader entry point."));
}
TEST_F(ValidateDecorations, VulkanUniformMissingDescriptorSetBad) {
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %1 "main"
OpExecutionMode %1 OriginUpperLeft
OpDecorate %struct Block
OpMemberDecorate %struct 0 Offset 0
OpDecorate %var Binding 0
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%float = OpTypeFloat 32
%struct = OpTypeStruct %float
%ptr = OpTypePointer Uniform %struct
%ptr_float = OpTypePointer Uniform %float
%var = OpVariable %ptr Uniform
%int = OpTypeInt 32 0
%int_0 = OpConstant %int 0
%1 = OpFunction %void None %voidfn
%label = OpLabel
%2 = OpAccessChain %ptr_float %var %int_0
%3 = OpLoad %float %2
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv, SPV_ENV_VULKAN_1_1);
EXPECT_EQ(SPV_ERROR_INVALID_ID,
ValidateAndRetrieveValidationState(SPV_ENV_VULKAN_1_1));
EXPECT_THAT(getDiagnosticString(),
HasSubstr("Uniform id '3' is missing DescriptorSet decoration.\n"
"From Vulkan spec, section 14.5.2:\n"
"These variables must have DescriptorSet and Binding "
"decorations specified"));
}
TEST_F(ValidateDecorations, VulkanUniformMissingBindingBad) {
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %1 "main"
OpExecutionMode %1 OriginUpperLeft
OpDecorate %struct Block
OpMemberDecorate %struct 0 Offset 0
OpDecorate %var DescriptorSet 0
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%float = OpTypeFloat 32
%struct = OpTypeStruct %float
%ptr = OpTypePointer Uniform %struct
%ptr_float = OpTypePointer Uniform %float
%var = OpVariable %ptr Uniform
%int = OpTypeInt 32 0
%int_0 = OpConstant %int 0
%1 = OpFunction %void None %voidfn
%label = OpLabel
%2 = OpAccessChain %ptr_float %var %int_0
%3 = OpLoad %float %2
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv, SPV_ENV_VULKAN_1_1);
EXPECT_EQ(SPV_ERROR_INVALID_ID,
ValidateAndRetrieveValidationState(SPV_ENV_VULKAN_1_1));
EXPECT_THAT(getDiagnosticString(),
HasSubstr("Uniform id '3' is missing Binding decoration.\n"
"From Vulkan spec, section 14.5.2:\n"
"These variables must have DescriptorSet and Binding "
"decorations specified"));
}
TEST_F(ValidateDecorations, VulkanUniformConstantMissingDescriptorSetBad) {
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %1 "main"
OpExecutionMode %1 OriginUpperLeft
OpDecorate %var Binding 0
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%sampler = OpTypeSampler
%ptr = OpTypePointer UniformConstant %sampler
%var = OpVariable %ptr UniformConstant
%1 = OpFunction %void None %voidfn
%label = OpLabel
%2 = OpLoad %sampler %var
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv, SPV_ENV_VULKAN_1_1);
EXPECT_EQ(SPV_ERROR_INVALID_ID,
ValidateAndRetrieveValidationState(SPV_ENV_VULKAN_1_1));
EXPECT_THAT(
getDiagnosticString(),
HasSubstr("UniformConstant id '2' is missing DescriptorSet decoration.\n"
"From Vulkan spec, section 14.5.2:\n"
"These variables must have DescriptorSet and Binding "
"decorations specified"));
}
TEST_F(ValidateDecorations, VulkanUniformConstantMissingBindingBad) {
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %1 "main"
OpExecutionMode %1 OriginUpperLeft
OpDecorate %var DescriptorSet 0
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%sampler = OpTypeSampler
%ptr = OpTypePointer UniformConstant %sampler
%var = OpVariable %ptr UniformConstant
%1 = OpFunction %void None %voidfn
%label = OpLabel
%2 = OpLoad %sampler %var
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv, SPV_ENV_VULKAN_1_1);
EXPECT_EQ(SPV_ERROR_INVALID_ID,
ValidateAndRetrieveValidationState(SPV_ENV_VULKAN_1_1));
EXPECT_THAT(
getDiagnosticString(),
HasSubstr("UniformConstant id '2' is missing Binding decoration.\n"
"From Vulkan spec, section 14.5.2:\n"
"These variables must have DescriptorSet and Binding "
"decorations specified"));
}
TEST_F(ValidateDecorations, VulkanStorageBufferMissingDescriptorSetBad) {
std::string spirv = R"(
OpCapability Shader
OpExtension "SPV_KHR_storage_buffer_storage_class"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %1 "main"
OpExecutionMode %1 OriginUpperLeft
OpDecorate %struct Block
OpDecorate %var Binding 0
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%float = OpTypeFloat 32
%struct = OpTypeStruct %float
%ptr = OpTypePointer StorageBuffer %struct
%var = OpVariable %ptr StorageBuffer
%ptr_float = OpTypePointer StorageBuffer %float
%int = OpTypeInt 32 0
%int_0 = OpConstant %int 0
%1 = OpFunction %void None %voidfn
%label = OpLabel
%2 = OpAccessChain %ptr_float %var %int_0
%3 = OpLoad %float %2
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv, SPV_ENV_VULKAN_1_1);
EXPECT_EQ(SPV_ERROR_INVALID_ID,
ValidateAndRetrieveValidationState(SPV_ENV_VULKAN_1_1));
EXPECT_THAT(
getDiagnosticString(),
HasSubstr("StorageBuffer id '3' is missing DescriptorSet decoration.\n"
"From Vulkan spec, section 14.5.2:\n"
"These variables must have DescriptorSet and Binding "
"decorations specified"));
}
TEST_F(ValidateDecorations, VulkanStorageBufferMissingBindingBad) {
std::string spirv = R"(
OpCapability Shader
OpExtension "SPV_KHR_storage_buffer_storage_class"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %1 "main"
OpExecutionMode %1 OriginUpperLeft
OpDecorate %struct Block
OpDecorate %var DescriptorSet 0
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%float = OpTypeFloat 32
%struct = OpTypeStruct %float
%ptr = OpTypePointer StorageBuffer %struct
%var = OpVariable %ptr StorageBuffer
%ptr_float = OpTypePointer StorageBuffer %float
%int = OpTypeInt 32 0
%int_0 = OpConstant %int 0
%1 = OpFunction %void None %voidfn
%label = OpLabel
%2 = OpAccessChain %ptr_float %var %int_0
%3 = OpLoad %float %2
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv, SPV_ENV_VULKAN_1_1);
EXPECT_EQ(SPV_ERROR_INVALID_ID,
ValidateAndRetrieveValidationState(SPV_ENV_VULKAN_1_1));
EXPECT_THAT(getDiagnosticString(),
HasSubstr("StorageBuffer id '3' is missing Binding decoration.\n"
"From Vulkan spec, section 14.5.2:\n"
"These variables must have DescriptorSet and Binding "
"decorations specified"));
}
TEST_F(ValidateDecorations,
VulkanStorageBufferMissingDescriptorSetSubFunctionBad) {
std::string spirv = R"(
OpCapability Shader
OpExtension "SPV_KHR_storage_buffer_storage_class"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %1 "main"
OpExecutionMode %1 OriginUpperLeft
OpDecorate %struct Block
OpDecorate %var Binding 0
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%float = OpTypeFloat 32
%struct = OpTypeStruct %float
%ptr = OpTypePointer StorageBuffer %struct
%var = OpVariable %ptr StorageBuffer
%ptr_float = OpTypePointer StorageBuffer %float
%int = OpTypeInt 32 0
%int_0 = OpConstant %int 0
%1 = OpFunction %void None %voidfn
%label = OpLabel
%call = OpFunctionCall %void %2
OpReturn
OpFunctionEnd
%2 = OpFunction %void None %voidfn
%label2 = OpLabel
%3 = OpAccessChain %ptr_float %var %int_0
%4 = OpLoad %float %3
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv, SPV_ENV_VULKAN_1_1);
EXPECT_EQ(SPV_ERROR_INVALID_ID,
ValidateAndRetrieveValidationState(SPV_ENV_VULKAN_1_1));
EXPECT_THAT(
getDiagnosticString(),
HasSubstr("StorageBuffer id '3' is missing DescriptorSet decoration.\n"
"From Vulkan spec, section 14.5.2:\n"
"These variables must have DescriptorSet and Binding "
"decorations specified"));
}
TEST_F(ValidateDecorations,
VulkanStorageBufferMissingDescriptorAndBindingUnusedGood) {
std::string spirv = R"(
OpCapability Shader
OpExtension "SPV_KHR_storage_buffer_storage_class"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %1 "main"
OpExecutionMode %1 OriginUpperLeft
OpDecorate %struct BufferBlock
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%float = OpTypeFloat 32
%struct = OpTypeStruct %float
%ptr = OpTypePointer StorageBuffer %struct
%var = OpVariable %ptr StorageBuffer
%1 = OpFunction %void None %voidfn
%label = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv, SPV_ENV_VULKAN_1_1);
EXPECT_EQ(SPV_SUCCESS,
ValidateAndRetrieveValidationState(SPV_ENV_VULKAN_1_1));
}
TEST_F(ValidateDecorations, UniformMissingDescriptorSetGood) {
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %1 "main"
OpExecutionMode %1 OriginUpperLeft
OpDecorate %struct Block
OpMemberDecorate %struct 0 Offset 0
OpDecorate %var Binding 0
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%float = OpTypeFloat 32
%struct = OpTypeStruct %float
%ptr = OpTypePointer Uniform %struct
%var = OpVariable %ptr Uniform
%1 = OpFunction %void None %voidfn
%label = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState())
<< getDiagnosticString();
}
TEST_F(ValidateDecorations, UniformMissingBindingGood) {
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %1 "main"
OpExecutionMode %1 OriginUpperLeft
OpDecorate %struct Block
OpMemberDecorate %struct 0 Offset 0
OpDecorate %var DescriptorSet 0
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%float = OpTypeFloat 32
%struct = OpTypeStruct %float
%ptr = OpTypePointer Uniform %struct
%var = OpVariable %ptr Uniform
%1 = OpFunction %void None %voidfn
%label = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState())
<< getDiagnosticString();
}
TEST_F(ValidateDecorations, UniformConstantMissingDescriptorSetGood) {
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %1 "main"
OpExecutionMode %1 OriginUpperLeft
OpDecorate %var Binding 0
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%sampler = OpTypeSampler
%ptr = OpTypePointer UniformConstant %sampler
%var = OpVariable %ptr UniformConstant
%1 = OpFunction %void None %voidfn
%label = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState())
<< getDiagnosticString();
}
TEST_F(ValidateDecorations, UniformConstantMissingBindingGood) {
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %1 "main"
OpExecutionMode %1 OriginUpperLeft
OpDecorate %var DescriptorSet 0
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%sampler = OpTypeSampler
%ptr = OpTypePointer UniformConstant %sampler
%var = OpVariable %ptr UniformConstant
%1 = OpFunction %void None %voidfn
%label = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState())
<< getDiagnosticString();
}
TEST_F(ValidateDecorations, StorageBufferMissingDescriptorSetGood) {
std::string spirv = R"(
OpCapability Shader
OpExtension "SPV_KHR_storage_buffer_storage_class"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %1 "main"
OpExecutionMode %1 OriginUpperLeft
OpDecorate %struct BufferBlock
OpDecorate %var Binding 0
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%float = OpTypeFloat 32
%struct = OpTypeStruct %float
%ptr = OpTypePointer StorageBuffer %struct
%var = OpVariable %ptr StorageBuffer
%1 = OpFunction %void None %voidfn
%label = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState())
<< getDiagnosticString();
}
TEST_F(ValidateDecorations, StorageBufferMissingBindingGood) {
std::string spirv = R"(
OpCapability Shader
OpExtension "SPV_KHR_storage_buffer_storage_class"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %1 "main"
OpExecutionMode %1 OriginUpperLeft
OpDecorate %struct BufferBlock
OpDecorate %var DescriptorSet 0
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%float = OpTypeFloat 32
%struct = OpTypeStruct %float
%ptr = OpTypePointer StorageBuffer %struct
%var = OpVariable %ptr StorageBuffer
%1 = OpFunction %void None %voidfn
%label = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState())
<< getDiagnosticString();
}
TEST_F(ValidateDecorations, StorageBufferStorageClassArrayBaseAlignmentGood) {
// Spot check buffer rules when using StorageBuffer storage class with Block
// decoration.
std::string spirv = R"(
OpCapability Shader
OpExtension "SPV_KHR_storage_buffer_storage_class"
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %main "main"
OpSource GLSL 450
OpDecorate %_arr_float_uint_2 ArrayStride 4
OpMemberDecorate %S 0 Offset 0
OpMemberDecorate %S 1 Offset 8
OpDecorate %S Block
OpDecorate %u DescriptorSet 0
OpDecorate %u Binding 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v2float = OpTypeVector %float 2
%uint = OpTypeInt 32 0
%uint_2 = OpConstant %uint 2
%_arr_float_uint_2 = OpTypeArray %float %uint_2
%S = OpTypeStruct %v2float %_arr_float_uint_2
%_ptr_Uniform_S = OpTypePointer StorageBuffer %S
%u = OpVariable %_ptr_Uniform_S StorageBuffer
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState())
<< getDiagnosticString();
}
TEST_F(ValidateDecorations, StorageBufferStorageClassArrayBadAlignmentBad) {
// Like the previous test, but with offset 7.
std::string spirv = R"(
OpCapability Shader
OpExtension "SPV_KHR_storage_buffer_storage_class"
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %main "main"
OpSource GLSL 450
OpDecorate %_arr_float_uint_2 ArrayStride 4
OpMemberDecorate %S 0 Offset 0
OpMemberDecorate %S 1 Offset 7
OpDecorate %S Block
OpDecorate %u DescriptorSet 0
OpDecorate %u Binding 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v2float = OpTypeVector %float 2
%uint = OpTypeInt 32 0
%uint_2 = OpConstant %uint 2
%_arr_float_uint_2 = OpTypeArray %float %uint_2
%S = OpTypeStruct %v2float %_arr_float_uint_2
%_ptr_Uniform_S = OpTypePointer StorageBuffer %S
%u = OpVariable %_ptr_Uniform_S StorageBuffer
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr(
"Structure id 3 decorated as Block for variable in StorageBuffer "
"storage class must follow standard storage buffer layout rules: "
"member 1 at offset 7 is not aligned to 4"));
}
TEST_F(ValidateDecorations, BufferBlockStandardStorageBufferLayout) {
std::string spirv = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpSource GLSL 430
OpMemberDecorate %F 0 Offset 0
OpMemberDecorate %F 1 Offset 8
OpDecorate %_arr_float_uint_2 ArrayStride 4
OpDecorate %_arr_mat3v3float_uint_2 ArrayStride 48
OpMemberDecorate %O 0 Offset 0
OpMemberDecorate %O 1 Offset 16
OpMemberDecorate %O 2 Offset 24
OpMemberDecorate %O 3 Offset 32
OpMemberDecorate %O 4 ColMajor
OpMemberDecorate %O 4 Offset 48
OpMemberDecorate %O 4 MatrixStride 16
OpDecorate %_arr_O_uint_2 ArrayStride 144
OpMemberDecorate %Output 0 Offset 0
OpMemberDecorate %Output 1 Offset 8
OpMemberDecorate %Output 2 Offset 16
OpMemberDecorate %Output 3 Offset 32
OpMemberDecorate %Output 4 Offset 48
OpMemberDecorate %Output 5 Offset 52
OpMemberDecorate %Output 6 ColMajor
OpMemberDecorate %Output 6 Offset 64
OpMemberDecorate %Output 6 MatrixStride 16
OpMemberDecorate %Output 7 Offset 96
OpDecorate %Output BufferBlock
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v2float = OpTypeVector %float 2
%v3float = OpTypeVector %float 3
%int = OpTypeInt 32 1
%uint = OpTypeInt 32 0
%v2uint = OpTypeVector %uint 2
%F = OpTypeStruct %int %v2uint
%uint_2 = OpConstant %uint 2
%_arr_float_uint_2 = OpTypeArray %float %uint_2
%mat2v3float = OpTypeMatrix %v3float 2
%v3uint = OpTypeVector %uint 3
%mat3v3float = OpTypeMatrix %v3float 3
%_arr_mat3v3float_uint_2 = OpTypeArray %mat3v3float %uint_2
%O = OpTypeStruct %v3uint %v2float %_arr_float_uint_2 %v2float %_arr_mat3v3float_uint_2
%_arr_O_uint_2 = OpTypeArray %O %uint_2
%Output = OpTypeStruct %float %v2float %v3float %F %float %_arr_float_uint_2 %mat2v3float %_arr_O_uint_2
%_ptr_Uniform_Output = OpTypePointer Uniform %Output
%dataOutput = OpVariable %_ptr_Uniform_Output Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState());
}
TEST_F(ValidateDecorations,
StorageBufferLayoutPermitsTightVec3ScalarPackingGood) {
// See https://github.com/KhronosGroup/SPIRV-Tools/issues/1666
std::string spirv = R"(
OpCapability Shader
OpExtension "SPV_KHR_storage_buffer_storage_class"
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %main "main"
OpSource GLSL 450
OpMemberDecorate %S 0 Offset 0
OpMemberDecorate %S 1 Offset 12
OpDecorate %S Block
OpDecorate %B DescriptorSet 0
OpDecorate %B Binding 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v3float = OpTypeVector %float 3
%S = OpTypeStruct %v3float %float
%_ptr_StorageBuffer_S = OpTypePointer StorageBuffer %S
%B = OpVariable %_ptr_StorageBuffer_S StorageBuffer
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState())
<< getDiagnosticString();
}
TEST_F(ValidateDecorations,
StorageBufferLayoutForbidsTightScalarVec3PackingBad) {
// See https://github.com/KhronosGroup/SPIRV-Tools/issues/1666
std::string spirv = R"(
OpCapability Shader
OpExtension "SPV_KHR_storage_buffer_storage_class"
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %main "main"
OpSource GLSL 450
OpMemberDecorate %S 0 Offset 0
OpMemberDecorate %S 1 Offset 4
OpDecorate %S Block
OpDecorate %B DescriptorSet 0
OpDecorate %B Binding 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v3float = OpTypeVector %float 3
%S = OpTypeStruct %float %v3float
%_ptr_StorageBuffer_S = OpTypePointer StorageBuffer %S
%B = OpVariable %_ptr_StorageBuffer_S StorageBuffer
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr(
"Structure id 2 decorated as Block for variable in StorageBuffer "
"storage class must follow standard storage buffer layout "
"rules: member 1 at offset 4 is not aligned to 16"));
}
TEST_F(ValidateDecorations,
BlockStandardUniformBufferLayoutIncorrectOffset0Bad) {
std::string spirv = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpSource GLSL 430
OpMemberDecorate %F 0 Offset 0
OpMemberDecorate %F 1 Offset 8
OpDecorate %_arr_float_uint_2 ArrayStride 16
OpDecorate %_arr_mat3v3float_uint_2 ArrayStride 48
OpMemberDecorate %O 0 Offset 0
OpMemberDecorate %O 1 Offset 16
OpMemberDecorate %O 2 Offset 24
OpMemberDecorate %O 3 Offset 33
OpMemberDecorate %O 4 ColMajor
OpMemberDecorate %O 4 Offset 80
OpMemberDecorate %O 4 MatrixStride 16
OpDecorate %_arr_O_uint_2 ArrayStride 176
OpMemberDecorate %Output 0 Offset 0
OpMemberDecorate %Output 1 Offset 8
OpMemberDecorate %Output 2 Offset 16
OpMemberDecorate %Output 3 Offset 32
OpMemberDecorate %Output 4 Offset 48
OpMemberDecorate %Output 5 Offset 64
OpMemberDecorate %Output 6 ColMajor
OpMemberDecorate %Output 6 Offset 96
OpMemberDecorate %Output 6 MatrixStride 16
OpMemberDecorate %Output 7 Offset 128
OpDecorate %Output Block
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v2float = OpTypeVector %float 2
%v3float = OpTypeVector %float 3
%int = OpTypeInt 32 1
%uint = OpTypeInt 32 0
%v2uint = OpTypeVector %uint 2
%F = OpTypeStruct %int %v2uint
%uint_2 = OpConstant %uint 2
%_arr_float_uint_2 = OpTypeArray %float %uint_2
%mat2v3float = OpTypeMatrix %v3float 2
%v3uint = OpTypeVector %uint 3
%mat3v3float = OpTypeMatrix %v3float 3
%_arr_mat3v3float_uint_2 = OpTypeArray %mat3v3float %uint_2
%O = OpTypeStruct %v3uint %v2float %_arr_float_uint_2 %v2float %_arr_mat3v3float_uint_2
%_arr_O_uint_2 = OpTypeArray %O %uint_2
%Output = OpTypeStruct %float %v2float %v3float %F %float %_arr_float_uint_2 %mat2v3float %_arr_O_uint_2
%_ptr_Uniform_Output = OpTypePointer Uniform %Output
%dataOutput = OpVariable %_ptr_Uniform_Output Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr("Structure id 6 decorated as Block for variable in Uniform "
"storage class must follow standard uniform buffer layout "
"rules: member 2 at offset 152 is not aligned to 16"));
}
TEST_F(ValidateDecorations,
BlockStandardUniformBufferLayoutIncorrectOffset1Bad) {
std::string spirv = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpSource GLSL 430
OpMemberDecorate %F 0 Offset 0
OpMemberDecorate %F 1 Offset 8
OpDecorate %_arr_float_uint_2 ArrayStride 16
OpDecorate %_arr_mat3v3float_uint_2 ArrayStride 48
OpMemberDecorate %O 0 Offset 0
OpMemberDecorate %O 1 Offset 16
OpMemberDecorate %O 2 Offset 32
OpMemberDecorate %O 3 Offset 64
OpMemberDecorate %O 4 ColMajor
OpMemberDecorate %O 4 Offset 80
OpMemberDecorate %O 4 MatrixStride 16
OpDecorate %_arr_O_uint_2 ArrayStride 176
OpMemberDecorate %Output 0 Offset 0
OpMemberDecorate %Output 1 Offset 8
OpMemberDecorate %Output 2 Offset 16
OpMemberDecorate %Output 3 Offset 32
OpMemberDecorate %Output 4 Offset 48
OpMemberDecorate %Output 5 Offset 71
OpMemberDecorate %Output 6 ColMajor
OpMemberDecorate %Output 6 Offset 96
OpMemberDecorate %Output 6 MatrixStride 16
OpMemberDecorate %Output 7 Offset 128
OpDecorate %Output Block
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v2float = OpTypeVector %float 2
%v3float = OpTypeVector %float 3
%int = OpTypeInt 32 1
%uint = OpTypeInt 32 0
%v2uint = OpTypeVector %uint 2
%F = OpTypeStruct %int %v2uint
%uint_2 = OpConstant %uint 2
%_arr_float_uint_2 = OpTypeArray %float %uint_2
%mat2v3float = OpTypeMatrix %v3float 2
%v3uint = OpTypeVector %uint 3
%mat3v3float = OpTypeMatrix %v3float 3
%_arr_mat3v3float_uint_2 = OpTypeArray %mat3v3float %uint_2
%O = OpTypeStruct %v3uint %v2float %_arr_float_uint_2 %v2float %_arr_mat3v3float_uint_2
%_arr_O_uint_2 = OpTypeArray %O %uint_2
%Output = OpTypeStruct %float %v2float %v3float %F %float %_arr_float_uint_2 %mat2v3float %_arr_O_uint_2
%_ptr_Uniform_Output = OpTypePointer Uniform %Output
%dataOutput = OpVariable %_ptr_Uniform_Output Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr("Structure id 8 decorated as Block for variable in Uniform "
"storage class must follow standard uniform buffer layout "
"rules: member 5 at offset 71 is not aligned to 16"));
}
TEST_F(ValidateDecorations, BlockUniformBufferLayoutIncorrectArrayStrideBad) {
std::string spirv = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpSource GLSL 430
OpMemberDecorate %F 0 Offset 0
OpMemberDecorate %F 1 Offset 8
OpDecorate %_arr_float_uint_2 ArrayStride 16
OpDecorate %_arr_mat3v3float_uint_2 ArrayStride 49
OpMemberDecorate %O 0 Offset 0
OpMemberDecorate %O 1 Offset 16
OpMemberDecorate %O 2 Offset 32
OpMemberDecorate %O 3 Offset 64
OpMemberDecorate %O 4 ColMajor
OpMemberDecorate %O 4 Offset 80
OpMemberDecorate %O 4 MatrixStride 16
OpDecorate %_arr_O_uint_2 ArrayStride 176
OpMemberDecorate %Output 0 Offset 0
OpMemberDecorate %Output 1 Offset 8
OpMemberDecorate %Output 2 Offset 16
OpMemberDecorate %Output 3 Offset 32
OpMemberDecorate %Output 4 Offset 48
OpMemberDecorate %Output 5 Offset 64
OpMemberDecorate %Output 6 ColMajor
OpMemberDecorate %Output 6 Offset 96
OpMemberDecorate %Output 6 MatrixStride 16
OpMemberDecorate %Output 7 Offset 128
OpDecorate %Output Block
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v2float = OpTypeVector %float 2
%v3float = OpTypeVector %float 3
%int = OpTypeInt 32 1
%uint = OpTypeInt 32 0
%v2uint = OpTypeVector %uint 2
%F = OpTypeStruct %int %v2uint
%uint_2 = OpConstant %uint 2
%_arr_float_uint_2 = OpTypeArray %float %uint_2
%mat2v3float = OpTypeMatrix %v3float 2
%v3uint = OpTypeVector %uint 3
%mat3v3float = OpTypeMatrix %v3float 3
%_arr_mat3v3float_uint_2 = OpTypeArray %mat3v3float %uint_2
%O = OpTypeStruct %v3uint %v2float %_arr_float_uint_2 %v2float %_arr_mat3v3float_uint_2
%_arr_O_uint_2 = OpTypeArray %O %uint_2
%Output = OpTypeStruct %float %v2float %v3float %F %float %_arr_float_uint_2 %mat2v3float %_arr_O_uint_2
%_ptr_Uniform_Output = OpTypePointer Uniform %Output
%dataOutput = OpVariable %_ptr_Uniform_Output Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr(
"Structure id 6 decorated as Block for variable in Uniform storage "
"class must follow standard uniform buffer layout rules: member 4 "
"contains "
"an array with stride 49 not satisfying alignment to 16"));
}
TEST_F(ValidateDecorations,
BufferBlockStandardStorageBufferLayoutImproperStraddleBad) {
std::string spirv = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpSource GLSL 430
OpMemberDecorate %Output 0 Offset 0
OpMemberDecorate %Output 1 Offset 8
OpDecorate %Output BufferBlock
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v3float = OpTypeVector %float 3
%Output = OpTypeStruct %float %v3float
%_ptr_Uniform_Output = OpTypePointer Uniform %Output
%dataOutput = OpVariable %_ptr_Uniform_Output Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr("Structure id 3 decorated as BufferBlock for variable in "
"Uniform storage class must follow standard storage buffer "
"layout rules: member 1 at offset 8 is not aligned to 16"));
}
TEST_F(ValidateDecorations,
BlockUniformBufferLayoutOffsetInsideArrayPaddingBad) {
// In this case the 2nd member fits entirely within the padding.
std::string spirv = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpSource GLSL 430
OpDecorate %_arr_float_uint_2 ArrayStride 16
OpMemberDecorate %Output 0 Offset 0
OpMemberDecorate %Output 1 Offset 20
OpDecorate %Output Block
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%uint = OpTypeInt 32 0
%v2uint = OpTypeVector %uint 2
%uint_2 = OpConstant %uint 2
%_arr_float_uint_2 = OpTypeArray %float %uint_2
%Output = OpTypeStruct %_arr_float_uint_2 %float
%_ptr_Uniform_Output = OpTypePointer Uniform %Output
%dataOutput = OpVariable %_ptr_Uniform_Output Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr(
"Structure id 4 decorated as Block for variable in Uniform storage "
"class must follow standard uniform buffer layout rules: member 1 at "
"offset 20 overlaps previous member ending at offset 31"));
}
TEST_F(ValidateDecorations,
BlockUniformBufferLayoutOffsetInsideStructPaddingBad) {
// In this case the 2nd member fits entirely within the padding.
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %1 "main"
OpMemberDecorate %_struct_6 0 Offset 0
OpMemberDecorate %_struct_2 0 Offset 0
OpMemberDecorate %_struct_2 1 Offset 4
OpDecorate %_struct_2 Block
%void = OpTypeVoid
%4 = OpTypeFunction %void
%float = OpTypeFloat 32
%_struct_6 = OpTypeStruct %float
%_struct_2 = OpTypeStruct %_struct_6 %float
%_ptr_Uniform__struct_2 = OpTypePointer Uniform %_struct_2
%8 = OpVariable %_ptr_Uniform__struct_2 Uniform
%1 = OpFunction %void None %4
%9 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr(
"Structure id 3 decorated as Block for variable in Uniform storage "
"class must follow standard uniform buffer layout rules: member 1 at "
"offset 4 overlaps previous member ending at offset 15"));
}
TEST_F(ValidateDecorations, BlockLayoutOffsetOutOfOrderGoodUniversal1_0) {
std::string spirv = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpMemberDecorate %Outer 0 Offset 4
OpMemberDecorate %Outer 1 Offset 0
OpDecorate %Outer Block
OpDecorate %O DescriptorSet 0
OpDecorate %O Binding 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%uint = OpTypeInt 32 0
%Outer = OpTypeStruct %uint %uint
%_ptr_Uniform_Outer = OpTypePointer Uniform %Outer
%O = OpVariable %_ptr_Uniform_Outer Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS,
ValidateAndRetrieveValidationState(SPV_ENV_UNIVERSAL_1_0));
}
TEST_F(ValidateDecorations, BlockLayoutOffsetOutOfOrderGoodOpenGL4_5) {
std::string spirv = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpMemberDecorate %Outer 0 Offset 4
OpMemberDecorate %Outer 1 Offset 0
OpDecorate %Outer Block
OpDecorate %O DescriptorSet 0
OpDecorate %O Binding 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%uint = OpTypeInt 32 0
%Outer = OpTypeStruct %uint %uint
%_ptr_Uniform_Outer = OpTypePointer Uniform %Outer
%O = OpVariable %_ptr_Uniform_Outer Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS,
ValidateAndRetrieveValidationState(SPV_ENV_OPENGL_4_5));
}
TEST_F(ValidateDecorations, BlockLayoutOffsetOutOfOrderGoodVulkan1_1) {
std::string spirv = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpMemberDecorate %Outer 0 Offset 4
OpMemberDecorate %Outer 1 Offset 0
OpDecorate %Outer Block
OpDecorate %O DescriptorSet 0
OpDecorate %O Binding 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%uint = OpTypeInt 32 0
%Outer = OpTypeStruct %uint %uint
%_ptr_Uniform_Outer = OpTypePointer Uniform %Outer
%O = OpVariable %_ptr_Uniform_Outer Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState(SPV_ENV_VULKAN_1_1))
<< getDiagnosticString();
EXPECT_THAT(getDiagnosticString(), Eq(""));
}
TEST_F(ValidateDecorations, BlockLayoutOffsetOverlapBad) {
std::string spirv = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpMemberDecorate %Outer 0 Offset 0
OpMemberDecorate %Outer 1 Offset 16
OpMemberDecorate %Inner 0 Offset 0
OpMemberDecorate %Inner 1 Offset 16
OpDecorate %Outer Block
OpDecorate %O DescriptorSet 0
OpDecorate %O Binding 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%uint = OpTypeInt 32 0
%Inner = OpTypeStruct %uint %uint
%Outer = OpTypeStruct %Inner %uint
%_ptr_Uniform_Outer = OpTypePointer Uniform %Outer
%O = OpVariable %_ptr_Uniform_Outer Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr(
"Structure id 3 decorated as Block for variable in Uniform storage "
"class must follow standard uniform buffer layout rules: member 1 at "
"offset 16 overlaps previous member ending at offset 31"));
}
TEST_F(ValidateDecorations, BufferBlockEmptyStruct) {
std::string spirv = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpSource GLSL 430
OpMemberDecorate %Output 0 Offset 0
OpDecorate %Output BufferBlock
%void = OpTypeVoid
%3 = OpTypeFunction %void
%S = OpTypeStruct
%Output = OpTypeStruct %S
%_ptr_Uniform_Output = OpTypePointer Uniform %Output
%dataOutput = OpVariable %_ptr_Uniform_Output Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState());
}
TEST_F(ValidateDecorations, RowMajorMatrixTightPackingGood) {
// Row major matrix rule:
// A row-major matrix of C columns has a base alignment equal to
// the base alignment of a vector of C matrix components.
// Note: The "matrix component" is the scalar element type.
// The matrix has 3 columns and 2 rows (C=3, R=2).
// So the base alignment of b is the same as a vector of 3 floats, which is 16
// bytes. The matrix consists of two of these, and therefore occupies 2 x 16
// bytes, or 32 bytes.
//
// So the offsets can be:
// a -> 0
// b -> 16
// c -> 48
// d -> 60 ; d fits at bytes 12-15 after offset of c. Tight (vec3;float)
// packing
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %1 "main"
OpSource GLSL 450
OpMemberDecorate %_struct_2 0 Offset 0
OpMemberDecorate %_struct_2 1 RowMajor
OpMemberDecorate %_struct_2 1 Offset 16
OpMemberDecorate %_struct_2 1 MatrixStride 16
OpMemberDecorate %_struct_2 2 Offset 48
OpMemberDecorate %_struct_2 3 Offset 60
OpDecorate %_struct_2 Block
OpDecorate %3 DescriptorSet 0
OpDecorate %3 Binding 0
%void = OpTypeVoid
%5 = OpTypeFunction %void
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%v2float = OpTypeVector %float 2
%mat3v2float = OpTypeMatrix %v2float 3
%v3float = OpTypeVector %float 3
%_struct_2 = OpTypeStruct %v4float %mat3v2float %v3float %float
%_ptr_Uniform__struct_2 = OpTypePointer Uniform %_struct_2
%3 = OpVariable %_ptr_Uniform__struct_2 Uniform
%1 = OpFunction %void None %5
%12 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState())
<< getDiagnosticString();
}
TEST_F(ValidateDecorations, ArrayArrayRowMajorMatrixTightPackingGood) {
// Like the previous case, but we have an array of arrays of matrices.
// The RowMajor decoration goes on the struct member (surprisingly).
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %1 "main"
OpSource GLSL 450
OpMemberDecorate %_struct_2 0 Offset 0
OpMemberDecorate %_struct_2 1 RowMajor
OpMemberDecorate %_struct_2 1 Offset 16
OpMemberDecorate %_struct_2 1 MatrixStride 16
OpMemberDecorate %_struct_2 2 Offset 80
OpMemberDecorate %_struct_2 3 Offset 92
OpDecorate %arr_mat ArrayStride 32
OpDecorate %arr_arr_mat ArrayStride 32
OpDecorate %_struct_2 Block
OpDecorate %3 DescriptorSet 0
OpDecorate %3 Binding 0
%void = OpTypeVoid
%5 = OpTypeFunction %void
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%v2float = OpTypeVector %float 2
%mat3v2float = OpTypeMatrix %v2float 3
%uint = OpTypeInt 32 0
%uint_1 = OpConstant %uint 1
%uint_2 = OpConstant %uint 2
%arr_mat = OpTypeArray %mat3v2float %uint_1
%arr_arr_mat = OpTypeArray %arr_mat %uint_2
%v3float = OpTypeVector %float 3
%_struct_2 = OpTypeStruct %v4float %arr_arr_mat %v3float %float
%_ptr_Uniform__struct_2 = OpTypePointer Uniform %_struct_2
%3 = OpVariable %_ptr_Uniform__struct_2 Uniform
%1 = OpFunction %void None %5
%12 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState())
<< getDiagnosticString();
}
TEST_F(ValidateDecorations, ArrayArrayRowMajorMatrixNextMemberOverlapsBad) {
// Like the previous case, but the offset of member 2 overlaps the matrix.
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %1 "main"
OpSource GLSL 450
OpMemberDecorate %_struct_2 0 Offset 0
OpMemberDecorate %_struct_2 1 RowMajor
OpMemberDecorate %_struct_2 1 Offset 16
OpMemberDecorate %_struct_2 1 MatrixStride 16
OpMemberDecorate %_struct_2 2 Offset 64
OpMemberDecorate %_struct_2 3 Offset 92
OpDecorate %arr_mat ArrayStride 32
OpDecorate %arr_arr_mat ArrayStride 32
OpDecorate %_struct_2 Block
OpDecorate %3 DescriptorSet 0
OpDecorate %3 Binding 0
%void = OpTypeVoid
%5 = OpTypeFunction %void
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%v2float = OpTypeVector %float 2
%mat3v2float = OpTypeMatrix %v2float 3
%uint = OpTypeInt 32 0
%uint_1 = OpConstant %uint 1
%uint_2 = OpConstant %uint 2
%arr_mat = OpTypeArray %mat3v2float %uint_1
%arr_arr_mat = OpTypeArray %arr_mat %uint_2
%v3float = OpTypeVector %float 3
%_struct_2 = OpTypeStruct %v4float %arr_arr_mat %v3float %float
%_ptr_Uniform__struct_2 = OpTypePointer Uniform %_struct_2
%3 = OpVariable %_ptr_Uniform__struct_2 Uniform
%1 = OpFunction %void None %5
%12 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr(
"Structure id 2 decorated as Block for variable in Uniform storage "
"class must follow standard uniform buffer layout rules: member 2 at "
"offset 64 overlaps previous member ending at offset 79"));
}
TEST_F(ValidateDecorations, StorageBufferArraySizeCalculationPackGood) {
// Original GLSL
// #version 450
// layout (set=0,binding=0) buffer S {
// uvec3 arr[2][2]; // first 3 elements are 16 bytes, last is 12
// uint i; // Can have offset 60 = 3x16 + 12
// } B;
// void main() {}
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %1 "main"
OpDecorate %_arr_v3uint_uint_2 ArrayStride 16
OpDecorate %_arr__arr_v3uint_uint_2_uint_2 ArrayStride 32
OpMemberDecorate %_struct_4 0 Offset 0
OpMemberDecorate %_struct_4 1 Offset 60
OpDecorate %_struct_4 BufferBlock
OpDecorate %5 DescriptorSet 0
OpDecorate %5 Binding 0
%void = OpTypeVoid
%7 = OpTypeFunction %void
%uint = OpTypeInt 32 0
%v3uint = OpTypeVector %uint 3
%uint_2 = OpConstant %uint 2
%_arr_v3uint_uint_2 = OpTypeArray %v3uint %uint_2
%_arr__arr_v3uint_uint_2_uint_2 = OpTypeArray %_arr_v3uint_uint_2 %uint_2
%_struct_4 = OpTypeStruct %_arr__arr_v3uint_uint_2_uint_2 %uint
%_ptr_Uniform__struct_4 = OpTypePointer Uniform %_struct_4
%5 = OpVariable %_ptr_Uniform__struct_4 Uniform
%1 = OpFunction %void None %7
%12 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState());
}
TEST_F(ValidateDecorations, StorageBufferArraySizeCalculationPackBad) {
// Like previous but, the offset of the second member is too small.
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %1 "main"
OpDecorate %_arr_v3uint_uint_2 ArrayStride 16
OpDecorate %_arr__arr_v3uint_uint_2_uint_2 ArrayStride 32
OpMemberDecorate %_struct_4 0 Offset 0
OpMemberDecorate %_struct_4 1 Offset 56
OpDecorate %_struct_4 BufferBlock
OpDecorate %5 DescriptorSet 0
OpDecorate %5 Binding 0
%void = OpTypeVoid
%7 = OpTypeFunction %void
%uint = OpTypeInt 32 0
%v3uint = OpTypeVector %uint 3
%uint_2 = OpConstant %uint 2
%_arr_v3uint_uint_2 = OpTypeArray %v3uint %uint_2
%_arr__arr_v3uint_uint_2_uint_2 = OpTypeArray %_arr_v3uint_uint_2 %uint_2
%_struct_4 = OpTypeStruct %_arr__arr_v3uint_uint_2_uint_2 %uint
%_ptr_Uniform__struct_4 = OpTypePointer Uniform %_struct_4
%5 = OpVariable %_ptr_Uniform__struct_4 Uniform
%1 = OpFunction %void None %7
%12 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("Structure id 4 decorated as BufferBlock for variable "
"in Uniform storage class must follow standard storage "
"buffer layout rules: member 1 at offset 56 overlaps "
"previous member ending at offset 59"));
}
TEST_F(ValidateDecorations, UniformBufferArraySizeCalculationPackGood) {
// Like the corresponding buffer block case, but the array padding must
// count for the last element as well, and so the offset of the second
// member must be at least 64.
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %1 "main"
OpDecorate %_arr_v3uint_uint_2 ArrayStride 16
OpDecorate %_arr__arr_v3uint_uint_2_uint_2 ArrayStride 32
OpMemberDecorate %_struct_4 0 Offset 0
OpMemberDecorate %_struct_4 1 Offset 64
OpDecorate %_struct_4 Block
OpDecorate %5 DescriptorSet 0
OpDecorate %5 Binding 0
%void = OpTypeVoid
%7 = OpTypeFunction %void
%uint = OpTypeInt 32 0
%v3uint = OpTypeVector %uint 3
%uint_2 = OpConstant %uint 2
%_arr_v3uint_uint_2 = OpTypeArray %v3uint %uint_2
%_arr__arr_v3uint_uint_2_uint_2 = OpTypeArray %_arr_v3uint_uint_2 %uint_2
%_struct_4 = OpTypeStruct %_arr__arr_v3uint_uint_2_uint_2 %uint
%_ptr_Uniform__struct_4 = OpTypePointer Uniform %_struct_4
%5 = OpVariable %_ptr_Uniform__struct_4 Uniform
%1 = OpFunction %void None %7
%12 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState());
}
TEST_F(ValidateDecorations, UniformBufferArraySizeCalculationPackBad) {
// Like previous but, the offset of the second member is too small.
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %1 "main"
OpDecorate %_arr_v3uint_uint_2 ArrayStride 16
OpDecorate %_arr__arr_v3uint_uint_2_uint_2 ArrayStride 32
OpMemberDecorate %_struct_4 0 Offset 0
OpMemberDecorate %_struct_4 1 Offset 60
OpDecorate %_struct_4 Block
OpDecorate %5 DescriptorSet 0
OpDecorate %5 Binding 0
%void = OpTypeVoid
%7 = OpTypeFunction %void
%uint = OpTypeInt 32 0
%v3uint = OpTypeVector %uint 3
%uint_2 = OpConstant %uint 2
%_arr_v3uint_uint_2 = OpTypeArray %v3uint %uint_2
%_arr__arr_v3uint_uint_2_uint_2 = OpTypeArray %_arr_v3uint_uint_2 %uint_2
%_struct_4 = OpTypeStruct %_arr__arr_v3uint_uint_2_uint_2 %uint
%_ptr_Uniform__struct_4 = OpTypePointer Uniform %_struct_4
%5 = OpVariable %_ptr_Uniform__struct_4 Uniform
%1 = OpFunction %void None %7
%12 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr(
"Structure id 4 decorated as Block for variable in Uniform storage "
"class must follow standard uniform buffer layout rules: member 1 at "
"offset 60 overlaps previous member ending at offset 63"));
}
TEST_F(ValidateDecorations, LayoutNotCheckedWhenSkipBlockLayout) {
// Checks that block layout is not verified in skipping block layout mode.
// Even for obviously wrong layout.
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %main "main"
OpSource GLSL 450
OpMemberDecorate %S 0 Offset 3 ; wrong alignment
OpMemberDecorate %S 1 Offset 3 ; same offset as before!
OpDecorate %S Block
OpDecorate %B DescriptorSet 0
OpDecorate %B Binding 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v3float = OpTypeVector %float 3
%S = OpTypeStruct %float %v3float
%_ptr_Uniform_S = OpTypePointer Uniform %S
%B = OpVariable %_ptr_Uniform_S Uniform
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
spvValidatorOptionsSetSkipBlockLayout(getValidatorOptions(), true);
EXPECT_EQ(SPV_SUCCESS,
ValidateAndRetrieveValidationState(SPV_ENV_VULKAN_1_0));
EXPECT_THAT(getDiagnosticString(), Eq(""));
}
TEST_F(ValidateDecorations, EntryPointVariableWrongStorageClass) {
const std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %1 "func" %var
OpExecutionMode %1 OriginUpperLeft
%void = OpTypeVoid
%int = OpTypeInt 32 0
%ptr_int_Workgroup = OpTypePointer Workgroup %int
%var = OpVariable %ptr_int_Workgroup Workgroup
%func_ty = OpTypeFunction %void
%1 = OpFunction %void None %func_ty
%2 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("OpEntryPoint interfaces must be OpVariables with "
"Storage Class of Input(1) or Output(3). Found Storage "
"Class 4 for Entry Point id 1."));
}
TEST_F(ValidateDecorations, VulkanMemoryModelNonCoherent) {
const std::string spirv = R"(
OpCapability Shader
OpCapability VulkanMemoryModelKHR
OpCapability Linkage
OpExtension "SPV_KHR_vulkan_memory_model"
OpExtension "SPV_KHR_storage_buffer_storage_class"
OpMemoryModel Logical VulkanKHR
OpDecorate %1 Coherent
%2 = OpTypeInt 32 0
%3 = OpTypePointer StorageBuffer %2
%1 = OpVariable %3 StorageBuffer
)";
CompileSuccessfully(spirv, SPV_ENV_UNIVERSAL_1_3);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions(SPV_ENV_UNIVERSAL_1_3));
EXPECT_THAT(getDiagnosticString(),
HasSubstr("Coherent decoration targeting 1[%1] is "
"banned when using the Vulkan memory model."));
}
TEST_F(ValidateDecorations, VulkanMemoryModelNoCoherentMember) {
const std::string spirv = R"(
OpCapability Shader
OpCapability VulkanMemoryModelKHR
OpCapability Linkage
OpExtension "SPV_KHR_vulkan_memory_model"
OpMemoryModel Logical VulkanKHR
OpMemberDecorate %1 0 Coherent
%2 = OpTypeInt 32 0
%1 = OpTypeStruct %2 %2
)";
CompileSuccessfully(spirv, SPV_ENV_UNIVERSAL_1_3);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions(SPV_ENV_UNIVERSAL_1_3));
EXPECT_THAT(
getDiagnosticString(),
HasSubstr("Coherent decoration targeting 1[%_struct_1] (member index 0) "
"is banned when using the Vulkan memory model."));
}
TEST_F(ValidateDecorations, VulkanMemoryModelNoVolatile) {
const std::string spirv = R"(
OpCapability Shader
OpCapability VulkanMemoryModelKHR
OpCapability Linkage
OpExtension "SPV_KHR_vulkan_memory_model"
OpExtension "SPV_KHR_storage_buffer_storage_class"
OpMemoryModel Logical VulkanKHR
OpDecorate %1 Volatile
%2 = OpTypeInt 32 0
%3 = OpTypePointer StorageBuffer %2
%1 = OpVariable %3 StorageBuffer
)";
CompileSuccessfully(spirv, SPV_ENV_UNIVERSAL_1_3);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions(SPV_ENV_UNIVERSAL_1_3));
EXPECT_THAT(getDiagnosticString(),
HasSubstr("Volatile decoration targeting 1[%1] is banned when "
"using the Vulkan memory model."));
}
TEST_F(ValidateDecorations, VulkanMemoryModelNoVolatileMember) {
const std::string spirv = R"(
OpCapability Shader
OpCapability VulkanMemoryModelKHR
OpCapability Linkage
OpExtension "SPV_KHR_vulkan_memory_model"
OpMemoryModel Logical VulkanKHR
OpMemberDecorate %1 1 Volatile
%2 = OpTypeInt 32 0
%1 = OpTypeStruct %2 %2
)";
CompileSuccessfully(spirv, SPV_ENV_UNIVERSAL_1_3);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions(SPV_ENV_UNIVERSAL_1_3));
EXPECT_THAT(getDiagnosticString(),
HasSubstr("Volatile decoration targeting 1[%_struct_1] (member "
"index 1) is banned when using the Vulkan memory "
"model."));
}
TEST_F(ValidateDecorations, FPRoundingModeGood) {
std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpCapability StorageBuffer16BitAccess
OpExtension "SPV_KHR_storage_buffer_storage_class"
OpExtension "SPV_KHR_variable_pointers"
OpExtension "SPV_KHR_16bit_storage"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpDecorate %_ FPRoundingMode RTE
%half = OpTypeFloat 16
%float = OpTypeFloat 32
%float_1_25 = OpConstant %float 1.25
%half_ptr = OpTypePointer StorageBuffer %half
%half_ptr_var = OpVariable %half_ptr StorageBuffer
%void = OpTypeVoid
%func = OpTypeFunction %void
%main = OpFunction %void None %func
%main_entry = OpLabel
%_ = OpFConvert %half %float_1_25
OpStore %half_ptr_var %_
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState());
}
TEST_F(ValidateDecorations, FPRoundingModeVectorGood) {
std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpCapability StorageBuffer16BitAccess
OpExtension "SPV_KHR_storage_buffer_storage_class"
OpExtension "SPV_KHR_variable_pointers"
OpExtension "SPV_KHR_16bit_storage"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpDecorate %_ FPRoundingMode RTE
%half = OpTypeFloat 16
%float = OpTypeFloat 32
%v2half = OpTypeVector %half 2
%v2float = OpTypeVector %float 2
%float_1_25 = OpConstant %float 1.25
%floats = OpConstantComposite %v2float %float_1_25 %float_1_25
%halfs_ptr = OpTypePointer StorageBuffer %v2half
%halfs_ptr_var = OpVariable %halfs_ptr StorageBuffer
%void = OpTypeVoid
%func = OpTypeFunction %void
%main = OpFunction %void None %func
%main_entry = OpLabel
%_ = OpFConvert %v2half %floats
OpStore %halfs_ptr_var %_
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState());
}
TEST_F(ValidateDecorations, FPRoundingModeNotOpFConvert) {
std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpCapability StorageBuffer16BitAccess
OpExtension "SPV_KHR_storage_buffer_storage_class"
OpExtension "SPV_KHR_variable_pointers"
OpExtension "SPV_KHR_16bit_storage"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpDecorate %_ FPRoundingMode RTE
%short = OpTypeInt 16 1
%int = OpTypeInt 32 1
%int_17 = OpConstant %int 17
%short_ptr = OpTypePointer StorageBuffer %short
%short_ptr_var = OpVariable %short_ptr StorageBuffer
%void = OpTypeVoid
%func = OpTypeFunction %void
%main = OpFunction %void None %func
%main_entry = OpLabel
%_ = OpSConvert %short %int_17
OpStore %short_ptr_var %_
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("FPRoundingMode decoration can be applied only to a "
"width-only conversion instruction for floating-point "
"object."));
}
TEST_F(ValidateDecorations, FPRoundingModeNoOpStoreGood) {
std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpCapability StorageBuffer16BitAccess
OpExtension "SPV_KHR_storage_buffer_storage_class"
OpExtension "SPV_KHR_variable_pointers"
OpExtension "SPV_KHR_16bit_storage"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpDecorate %_ FPRoundingMode RTE
%half = OpTypeFloat 16
%float = OpTypeFloat 32
%float_1_25 = OpConstant %float 1.25
%half_ptr = OpTypePointer StorageBuffer %half
%half_ptr_var = OpVariable %half_ptr StorageBuffer
%void = OpTypeVoid
%func = OpTypeFunction %void
%main = OpFunction %void None %func
%main_entry = OpLabel
%_ = OpFConvert %half %float_1_25
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState());
}
TEST_F(ValidateDecorations, FPRoundingModeFConvert64to16Good) {
std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpCapability StorageBuffer16BitAccess
OpCapability Float64
OpExtension "SPV_KHR_storage_buffer_storage_class"
OpExtension "SPV_KHR_variable_pointers"
OpExtension "SPV_KHR_16bit_storage"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpDecorate %_ FPRoundingMode RTE
%half = OpTypeFloat 16
%double = OpTypeFloat 64
%double_1_25 = OpConstant %double 1.25
%half_ptr = OpTypePointer StorageBuffer %half
%half_ptr_var = OpVariable %half_ptr StorageBuffer
%void = OpTypeVoid
%func = OpTypeFunction %void
%main = OpFunction %void None %func
%main_entry = OpLabel
%_ = OpFConvert %half %double_1_25
OpStore %half_ptr_var %_
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState());
}
TEST_F(ValidateDecorations, FPRoundingModeNotStoreInFloat16) {
std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpCapability StorageBuffer16BitAccess
OpCapability Float64
OpExtension "SPV_KHR_storage_buffer_storage_class"
OpExtension "SPV_KHR_variable_pointers"
OpExtension "SPV_KHR_16bit_storage"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpDecorate %_ FPRoundingMode RTE
%float = OpTypeFloat 32
%double = OpTypeFloat 64
%double_1_25 = OpConstant %double 1.25
%float_ptr = OpTypePointer StorageBuffer %float
%float_ptr_var = OpVariable %float_ptr StorageBuffer
%void = OpTypeVoid
%func = OpTypeFunction %void
%main = OpFunction %void None %func
%main_entry = OpLabel
%_ = OpFConvert %float %double_1_25
OpStore %float_ptr_var %_
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr("FPRoundingMode decoration can be applied only to the "
"Object operand of an OpStore storing through a "
"pointer to a 16-bit floating-point scalar or vector object."));
}
TEST_F(ValidateDecorations, FPRoundingModeBadStorageClass) {
std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpCapability StorageBuffer16BitAccess
OpExtension "SPV_KHR_storage_buffer_storage_class"
OpExtension "SPV_KHR_variable_pointers"
OpExtension "SPV_KHR_16bit_storage"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpDecorate %_ FPRoundingMode RTE
%half = OpTypeFloat 16
%float = OpTypeFloat 32
%float_1_25 = OpConstant %float 1.25
%half_ptr = OpTypePointer Private %half
%half_ptr_var = OpVariable %half_ptr Private
%void = OpTypeVoid
%func = OpTypeFunction %void
%main = OpFunction %void None %func
%main_entry = OpLabel
%_ = OpFConvert %half %float_1_25
OpStore %half_ptr_var %_
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("FPRoundingMode decoration can be applied only to the "
"Object operand of an OpStore in the StorageBuffer, "
"PhysicalStorageBufferEXT, Uniform, "
"PushConstant, Input, or Output Storage Classes."));
}
TEST_F(ValidateDecorations, FPRoundingModeMultipleOpStoreGood) {
std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpCapability StorageBuffer16BitAccess
OpExtension "SPV_KHR_storage_buffer_storage_class"
OpExtension "SPV_KHR_variable_pointers"
OpExtension "SPV_KHR_16bit_storage"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpDecorate %_ FPRoundingMode RTE
%half = OpTypeFloat 16
%float = OpTypeFloat 32
%float_1_25 = OpConstant %float 1.25
%half_ptr = OpTypePointer StorageBuffer %half
%half_ptr_var_0 = OpVariable %half_ptr StorageBuffer
%half_ptr_var_1 = OpVariable %half_ptr StorageBuffer
%half_ptr_var_2 = OpVariable %half_ptr StorageBuffer
%void = OpTypeVoid
%func = OpTypeFunction %void
%main = OpFunction %void None %func
%main_entry = OpLabel
%_ = OpFConvert %half %float_1_25
OpStore %half_ptr_var_0 %_
OpStore %half_ptr_var_1 %_
OpStore %half_ptr_var_2 %_
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState());
}
TEST_F(ValidateDecorations, FPRoundingModeMultipleUsesBad) {
std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpCapability StorageBuffer16BitAccess
OpExtension "SPV_KHR_storage_buffer_storage_class"
OpExtension "SPV_KHR_variable_pointers"
OpExtension "SPV_KHR_16bit_storage"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpDecorate %_ FPRoundingMode RTE
%half = OpTypeFloat 16
%float = OpTypeFloat 32
%float_1_25 = OpConstant %float 1.25
%half_ptr = OpTypePointer StorageBuffer %half
%half_ptr_var_0 = OpVariable %half_ptr StorageBuffer
%half_ptr_var_1 = OpVariable %half_ptr StorageBuffer
%void = OpTypeVoid
%func = OpTypeFunction %void
%main = OpFunction %void None %func
%main_entry = OpLabel
%_ = OpFConvert %half %float_1_25
OpStore %half_ptr_var_0 %_
%result = OpFAdd %half %_ %_
OpStore %half_ptr_var_1 %_
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("FPRoundingMode decoration can be applied only to the "
"Object operand of an OpStore."));
}
TEST_F(ValidateDecorations, GroupDecorateTargetsDecorationGroup) {
std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpMemoryModel Logical GLSL450
%1 = OpDecorationGroup
OpGroupDecorate %1 %1
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("OpGroupDecorate may not target OpDecorationGroup <id> "
"'1[%1]'"));
}
TEST_F(ValidateDecorations, GroupDecorateTargetsDecorationGroup2) {
std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpMemoryModel Logical GLSL450
%1 = OpDecorationGroup
OpGroupDecorate %1 %2 %1
%2 = OpTypeVoid
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("OpGroupDecorate may not target OpDecorationGroup <id> "
"'1[%1]'"));
}
TEST_F(ValidateDecorations, RecurseThroughRuntimeArray) {
const std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpMemoryModel Logical GLSL450
OpDecorate %outer Block
OpMemberDecorate %inner 0 Offset 0
OpMemberDecorate %inner 1 Offset 1
OpDecorate %runtime ArrayStride 16
OpMemberDecorate %outer 0 Offset 0
%int = OpTypeInt 32 0
%inner = OpTypeStruct %int %int
%runtime = OpTypeRuntimeArray %inner
%outer = OpTypeStruct %runtime
%outer_ptr = OpTypePointer Uniform %outer
%var = OpVariable %outer_ptr Uniform
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr("Structure id 2 decorated as Block for variable in Uniform "
"storage class must follow standard uniform buffer layout "
"rules: member 1 at offset 1 is not aligned to 4"));
}
TEST_F(ValidateDecorations, EmptyStructAtNonZeroOffsetGood) {
const std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpDecorate %struct Block
OpMemberDecorate %struct 0 Offset 0
OpMemberDecorate %struct 1 Offset 16
OpDecorate %var DescriptorSet 0
OpDecorate %var Binding 0
%void = OpTypeVoid
%float = OpTypeFloat 32
%empty = OpTypeStruct
%struct = OpTypeStruct %float %empty
%ptr_struct_ubo = OpTypePointer Uniform %struct
%var = OpVariable %ptr_struct_ubo Uniform
%voidfn = OpTypeFunction %void
%main = OpFunction %void None %voidfn
%entry = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
}
// Uniform decoration
TEST_F(ValidateDecorations, UniformDecorationGood) {
const std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical Simple
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpDecorate %int0 Uniform
OpDecorate %var Uniform
OpDecorate %val Uniform
%void = OpTypeVoid
%int = OpTypeInt 32 1
%int0 = OpConstantNull %int
%intptr = OpTypePointer Private %int
%var = OpVariable %intptr Private
%fn = OpTypeFunction %void
%main = OpFunction %void None %fn
%entry = OpLabel
%val = OpLoad %int %var
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(), Eq(""));
}
TEST_F(ValidateDecorations, UniformDecorationTargetsTypeBad) {
const std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical Simple
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpDecorate %fn Uniform
%void = OpTypeVoid
%fn = OpTypeFunction %void
%main = OpFunction %void None %fn
%entry = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("Uniform decoration applied to a non-object"));
EXPECT_THAT(getDiagnosticString(), HasSubstr("%2 = OpTypeFunction %void"));
}
TEST_F(ValidateDecorations, UniformDecorationTargetsVoidValueBad) {
const std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical Simple
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpName %call "call"
OpName %myfunc "myfunc"
OpDecorate %call Uniform
%void = OpTypeVoid
%fnty = OpTypeFunction %void
%myfunc = OpFunction %void None %fnty
%myfuncentry = OpLabel
OpReturn
OpFunctionEnd
%main = OpFunction %void None %fnty
%entry = OpLabel
%call = OpFunctionCall %void %myfunc
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("Uniform decoration applied to a value with void type\n"
" %call = OpFunctionCall %void %myfunc"));
}
TEST_F(ValidateDecorations, MultipleOffsetDecorationsOnSameID) {
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %1 "main"
OpExecutionMode %1 OriginUpperLeft
OpMemberDecorate %struct 0 Offset 0
OpMemberDecorate %struct 0 Offset 0
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%float = OpTypeFloat 32
%struct = OpTypeStruct %float
%1 = OpFunction %void None %voidfn
%label = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("ID '2', member '0' decorated with Offset multiple "
"times is not allowed."));
}
TEST_F(ValidateDecorations, MultipleArrayStrideDecorationsOnSameID) {
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %1 "main"
OpExecutionMode %1 OriginUpperLeft
OpDecorate %array ArrayStride 4
OpDecorate %array ArrayStride 4
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%float = OpTypeFloat 32
%uint = OpTypeInt 32 0
%uint_4 = OpConstant %uint 4
%array = OpTypeArray %float %uint_4
%1 = OpFunction %void None %voidfn
%label = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("ID '2' decorated with ArrayStride multiple "
"times is not allowed."));
}
TEST_F(ValidateDecorations, MultipleMatrixStrideDecorationsOnSameID) {
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %1 "main"
OpExecutionMode %1 OriginUpperLeft
OpMemberDecorate %struct 0 Offset 0
OpMemberDecorate %struct 0 ColMajor
OpMemberDecorate %struct 0 MatrixStride 16
OpMemberDecorate %struct 0 MatrixStride 16
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%float = OpTypeFloat 32
%fvec4 = OpTypeVector %float 4
%fmat4 = OpTypeMatrix %fvec4 4
%struct = OpTypeStruct %fmat4
%1 = OpFunction %void None %voidfn
%label = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("ID '2', member '0' decorated with MatrixStride "
"multiple times is not allowed."));
}
TEST_F(ValidateDecorations, MultipleRowMajorDecorationsOnSameID) {
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %1 "main"
OpExecutionMode %1 OriginUpperLeft
OpMemberDecorate %struct 0 Offset 0
OpMemberDecorate %struct 0 MatrixStride 16
OpMemberDecorate %struct 0 RowMajor
OpMemberDecorate %struct 0 RowMajor
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%float = OpTypeFloat 32
%fvec4 = OpTypeVector %float 4
%fmat4 = OpTypeMatrix %fvec4 4
%struct = OpTypeStruct %fmat4
%1 = OpFunction %void None %voidfn
%label = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("ID '2', member '0' decorated with RowMajor multiple "
"times is not allowed."));
}
TEST_F(ValidateDecorations, MultipleColMajorDecorationsOnSameID) {
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %1 "main"
OpExecutionMode %1 OriginUpperLeft
OpMemberDecorate %struct 0 Offset 0
OpMemberDecorate %struct 0 MatrixStride 16
OpMemberDecorate %struct 0 ColMajor
OpMemberDecorate %struct 0 ColMajor
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%float = OpTypeFloat 32
%fvec4 = OpTypeVector %float 4
%fmat4 = OpTypeMatrix %fvec4 4
%struct = OpTypeStruct %fmat4
%1 = OpFunction %void None %voidfn
%label = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("ID '2', member '0' decorated with ColMajor multiple "
"times is not allowed."));
}
TEST_F(ValidateDecorations, RowMajorAndColMajorDecorationsOnSameID) {
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %1 "main"
OpExecutionMode %1 OriginUpperLeft
OpMemberDecorate %struct 0 Offset 0
OpMemberDecorate %struct 0 MatrixStride 16
OpMemberDecorate %struct 0 ColMajor
OpMemberDecorate %struct 0 RowMajor
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%float = OpTypeFloat 32
%fvec4 = OpTypeVector %float 4
%fmat4 = OpTypeMatrix %fvec4 4
%struct = OpTypeStruct %fmat4
%1 = OpFunction %void None %voidfn
%label = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("ID '2', member '0' decorated with both RowMajor and "
"ColMajor is not allowed."));
}
TEST_F(ValidateDecorations, BlockAndBufferBlockDecorationsOnSameID) {
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %1 "main"
OpExecutionMode %1 OriginUpperLeft
OpDecorate %struct Block
OpDecorate %struct BufferBlock
OpMemberDecorate %struct 0 Offset 0
OpMemberDecorate %struct 0 MatrixStride 16
OpMemberDecorate %struct 0 RowMajor
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%float = OpTypeFloat 32
%fvec4 = OpTypeVector %float 4
%fmat4 = OpTypeMatrix %fvec4 4
%struct = OpTypeStruct %fmat4
%1 = OpFunction %void None %voidfn
%label = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateAndRetrieveValidationState());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr(
"ID '2' decorated with both BufferBlock and Block is not allowed."));
}
std::string MakeIntegerShader(
const std::string& decoration, const std::string& inst,
const std::string& extension =
"OpExtension \"SPV_KHR_no_integer_wrap_decoration\"") {
return R"(
OpCapability Shader
OpCapability Linkage
)" + extension +
R"(
%glsl = OpExtInstImport "GLSL.std.450"
%opencl = OpExtInstImport "OpenCL.std"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpName %entry "entry"
)" + decoration +
R"(
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%int = OpTypeInt 32 1
%zero = OpConstantNull %int
%float = OpTypeFloat 32
%float0 = OpConstantNull %float
%main = OpFunction %void None %voidfn
%entry = OpLabel
)" + inst +
R"(
OpReturn
OpFunctionEnd)";
}
// NoSignedWrap
TEST_F(ValidateDecorations, NoSignedWrapOnTypeBad) {
std::string spirv = MakeIntegerShader("OpDecorate %void NoSignedWrap", "");
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr("NoSignedWrap decoration may not be applied to TypeVoid"));
}
TEST_F(ValidateDecorations, NoSignedWrapOnLabelBad) {
std::string spirv = MakeIntegerShader("OpDecorate %entry NoSignedWrap", "");
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("NoSignedWrap decoration may not be applied to Label"));
}
TEST_F(ValidateDecorations, NoSignedWrapRequiresExtensionBad) {
std::string spirv = MakeIntegerShader("OpDecorate %val NoSignedWrap",
"%val = OpIAdd %int %zero %zero", "");
CompileSuccessfully(spirv);
EXPECT_NE(SPV_SUCCESS, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("requires one of these extensions: "
"SPV_KHR_no_integer_wrap_decoration"));
}
TEST_F(ValidateDecorations, NoSignedWrapIAddGood) {
std::string spirv = MakeIntegerShader("OpDecorate %val NoSignedWrap",
"%val = OpIAdd %int %zero %zero");
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(), Eq(""));
}
TEST_F(ValidateDecorations, NoSignedWrapISubGood) {
std::string spirv = MakeIntegerShader("OpDecorate %val NoSignedWrap",
"%val = OpISub %int %zero %zero");
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(), Eq(""));
}
TEST_F(ValidateDecorations, NoSignedWrapIMulGood) {
std::string spirv = MakeIntegerShader("OpDecorate %val NoSignedWrap",
"%val = OpIMul %int %zero %zero");
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(), Eq(""));
}
TEST_F(ValidateDecorations, NoSignedWrapShiftLeftLogicalGood) {
std::string spirv =
MakeIntegerShader("OpDecorate %val NoSignedWrap",
"%val = OpShiftLeftLogical %int %zero %zero");
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(), Eq(""));
}
TEST_F(ValidateDecorations, NoSignedWrapSNegateGood) {
std::string spirv = MakeIntegerShader("OpDecorate %val NoSignedWrap",
"%val = OpSNegate %int %zero");
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(), Eq(""));
}
TEST_F(ValidateDecorations, NoSignedWrapSRemBad) {
std::string spirv = MakeIntegerShader("OpDecorate %val NoSignedWrap",
"%val = OpSRem %int %zero %zero");
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("NoSignedWrap decoration may not be applied to SRem"));
}
TEST_F(ValidateDecorations, NoSignedWrapFAddBad) {
std::string spirv = MakeIntegerShader("OpDecorate %val NoSignedWrap",
"%val = OpFAdd %float %float0 %float0");
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("NoSignedWrap decoration may not be applied to FAdd"));
}
TEST_F(ValidateDecorations, NoSignedWrapExtInstOpenCLGood) {
std::string spirv =
MakeIntegerShader("OpDecorate %val NoSignedWrap",
"%val = OpExtInst %int %opencl s_abs %zero");
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(), Eq(""));
}
TEST_F(ValidateDecorations, NoSignedWrapExtInstGLSLGood) {
std::string spirv = MakeIntegerShader(
"OpDecorate %val NoSignedWrap", "%val = OpExtInst %int %glsl SAbs %zero");
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(), Eq(""));
}
// TODO(dneto): For NoSignedWrap and NoUnsignedWrap, permit
// "OpExtInst for instruction numbers specified in the extended
// instruction-set specifications as accepting this decoration."
// NoUnignedWrap
TEST_F(ValidateDecorations, NoUnsignedWrapOnTypeBad) {
std::string spirv = MakeIntegerShader("OpDecorate %void NoUnsignedWrap", "");
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr("NoUnsignedWrap decoration may not be applied to TypeVoid"));
}
TEST_F(ValidateDecorations, NoUnsignedWrapOnLabelBad) {
std::string spirv = MakeIntegerShader("OpDecorate %entry NoUnsignedWrap", "");
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr("NoUnsignedWrap decoration may not be applied to Label"));
}
TEST_F(ValidateDecorations, NoUnsignedWrapRequiresExtensionBad) {
std::string spirv = MakeIntegerShader("OpDecorate %val NoUnsignedWrap",
"%val = OpIAdd %int %zero %zero", "");
CompileSuccessfully(spirv);
EXPECT_NE(SPV_SUCCESS, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("requires one of these extensions: "
"SPV_KHR_no_integer_wrap_decoration"));
}
TEST_F(ValidateDecorations, NoUnsignedWrapIAddGood) {
std::string spirv = MakeIntegerShader("OpDecorate %val NoUnsignedWrap",
"%val = OpIAdd %int %zero %zero");
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(), Eq(""));
}
TEST_F(ValidateDecorations, NoUnsignedWrapISubGood) {
std::string spirv = MakeIntegerShader("OpDecorate %val NoUnsignedWrap",
"%val = OpISub %int %zero %zero");
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(), Eq(""));
}
TEST_F(ValidateDecorations, NoUnsignedWrapIMulGood) {
std::string spirv = MakeIntegerShader("OpDecorate %val NoUnsignedWrap",
"%val = OpIMul %int %zero %zero");
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(), Eq(""));
}
TEST_F(ValidateDecorations, NoUnsignedWrapShiftLeftLogicalGood) {
std::string spirv =
MakeIntegerShader("OpDecorate %val NoUnsignedWrap",
"%val = OpShiftLeftLogical %int %zero %zero");
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(), Eq(""));
}
TEST_F(ValidateDecorations, NoUnsignedWrapSNegateGood) {
std::string spirv = MakeIntegerShader("OpDecorate %val NoUnsignedWrap",
"%val = OpSNegate %int %zero");
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(), Eq(""));
}
TEST_F(ValidateDecorations, NoUnsignedWrapSRemBad) {
std::string spirv = MakeIntegerShader("OpDecorate %val NoUnsignedWrap",
"%val = OpSRem %int %zero %zero");
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr("NoUnsignedWrap decoration may not be applied to SRem"));
}
TEST_F(ValidateDecorations, NoUnsignedWrapFAddBad) {
std::string spirv = MakeIntegerShader("OpDecorate %val NoUnsignedWrap",
"%val = OpFAdd %float %float0 %float0");
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr("NoUnsignedWrap decoration may not be applied to FAdd"));
}
TEST_F(ValidateDecorations, NoUnsignedWrapExtInstOpenCLGood) {
std::string spirv =
MakeIntegerShader("OpDecorate %val NoUnsignedWrap",
"%val = OpExtInst %int %opencl s_abs %zero");
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(), Eq(""));
}
TEST_F(ValidateDecorations, NoUnsignedWrapExtInstGLSLGood) {
std::string spirv =
MakeIntegerShader("OpDecorate %val NoUnsignedWrap",
"%val = OpExtInst %int %glsl SAbs %zero");
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(), Eq(""));
}
// TODO(dneto): For NoUnsignedWrap and NoUnsignedWrap, permit
// "OpExtInst for instruction numbers specified in the extended
// instruction-set specifications as accepting this decoration."
TEST_F(ValidateDecorations, PSBAliasedRestrictPointerSuccess) {
const std::string body = R"(
OpCapability PhysicalStorageBufferAddressesEXT
OpCapability Int64
OpCapability Shader
OpExtension "SPV_EXT_physical_storage_buffer"
OpMemoryModel PhysicalStorageBuffer64EXT GLSL450
OpEntryPoint Fragment %main "main"
OpExecutionMode %main OriginUpperLeft
OpDecorate %val1 RestrictPointerEXT
%uint64 = OpTypeInt 64 0
%ptr = OpTypePointer PhysicalStorageBufferEXT %uint64
%pptr_f = OpTypePointer Function %ptr
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%main = OpFunction %void None %voidfn
%entry = OpLabel
%val1 = OpVariable %pptr_f Function
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(body.c_str());
ASSERT_EQ(SPV_SUCCESS, ValidateInstructions());
}
TEST_F(ValidateDecorations, PSBAliasedRestrictPointerMissing) {
const std::string body = R"(
OpCapability PhysicalStorageBufferAddressesEXT
OpCapability Int64
OpCapability Shader
OpExtension "SPV_EXT_physical_storage_buffer"
OpMemoryModel PhysicalStorageBuffer64EXT GLSL450
OpEntryPoint Fragment %main "main"
OpExecutionMode %main OriginUpperLeft
%uint64 = OpTypeInt 64 0
%ptr = OpTypePointer PhysicalStorageBufferEXT %uint64
%pptr_f = OpTypePointer Function %ptr
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%main = OpFunction %void None %voidfn
%entry = OpLabel
%val1 = OpVariable %pptr_f Function
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(body.c_str());
ASSERT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("expected AliasedPointerEXT or RestrictPointerEXT for "
"PhysicalStorageBufferEXT pointer"));
}
TEST_F(ValidateDecorations, PSBAliasedRestrictPointerBoth) {
const std::string body = R"(
OpCapability PhysicalStorageBufferAddressesEXT
OpCapability Int64
OpCapability Shader
OpExtension "SPV_EXT_physical_storage_buffer"
OpMemoryModel PhysicalStorageBuffer64EXT GLSL450
OpEntryPoint Fragment %main "main"
OpExecutionMode %main OriginUpperLeft
OpDecorate %val1 RestrictPointerEXT
OpDecorate %val1 AliasedPointerEXT
%uint64 = OpTypeInt 64 0
%ptr = OpTypePointer PhysicalStorageBufferEXT %uint64
%pptr_f = OpTypePointer Function %ptr
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%main = OpFunction %void None %voidfn
%entry = OpLabel
%val1 = OpVariable %pptr_f Function
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(body.c_str());
ASSERT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr("can't specify both AliasedPointerEXT and RestrictPointerEXT "
"for PhysicalStorageBufferEXT pointer"));
}
TEST_F(ValidateDecorations, PSBAliasedRestrictFunctionParamSuccess) {
const std::string body = R"(
OpCapability PhysicalStorageBufferAddressesEXT
OpCapability Int64
OpCapability Shader
OpExtension "SPV_EXT_physical_storage_buffer"
OpMemoryModel PhysicalStorageBuffer64EXT GLSL450
OpEntryPoint Fragment %main "main"
OpExecutionMode %main OriginUpperLeft
OpDecorate %fparam Restrict
%uint64 = OpTypeInt 64 0
%ptr = OpTypePointer PhysicalStorageBufferEXT %uint64
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%fnptr = OpTypeFunction %void %ptr
%main = OpFunction %void None %voidfn
%entry = OpLabel
OpReturn
OpFunctionEnd
%fn = OpFunction %void None %fnptr
%fparam = OpFunctionParameter %ptr
%lab = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(body.c_str());
ASSERT_EQ(SPV_SUCCESS, ValidateInstructions());
}
TEST_F(ValidateDecorations, PSBAliasedRestrictFunctionParamMissing) {
const std::string body = R"(
OpCapability PhysicalStorageBufferAddressesEXT
OpCapability Int64
OpCapability Shader
OpExtension "SPV_EXT_physical_storage_buffer"
OpMemoryModel PhysicalStorageBuffer64EXT GLSL450
OpEntryPoint Fragment %main "main"
OpExecutionMode %main OriginUpperLeft
%uint64 = OpTypeInt 64 0
%ptr = OpTypePointer PhysicalStorageBufferEXT %uint64
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%fnptr = OpTypeFunction %void %ptr
%main = OpFunction %void None %voidfn
%entry = OpLabel
OpReturn
OpFunctionEnd
%fn = OpFunction %void None %fnptr
%fparam = OpFunctionParameter %ptr
%lab = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(body.c_str());
ASSERT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("expected Aliased or Restrict for "
"PhysicalStorageBufferEXT pointer"));
}
TEST_F(ValidateDecorations, PSBAliasedRestrictFunctionParamBoth) {
const std::string body = R"(
OpCapability PhysicalStorageBufferAddressesEXT
OpCapability Int64
OpCapability Shader
OpExtension "SPV_EXT_physical_storage_buffer"
OpMemoryModel PhysicalStorageBuffer64EXT GLSL450
OpEntryPoint Fragment %main "main"
OpExecutionMode %main OriginUpperLeft
OpDecorate %fparam Restrict
OpDecorate %fparam Aliased
%uint64 = OpTypeInt 64 0
%ptr = OpTypePointer PhysicalStorageBufferEXT %uint64
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%fnptr = OpTypeFunction %void %ptr
%main = OpFunction %void None %voidfn
%entry = OpLabel
OpReturn
OpFunctionEnd
%fn = OpFunction %void None %fnptr
%fparam = OpFunctionParameter %ptr
%lab = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(body.c_str());
ASSERT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("can't specify both Aliased and Restrict for "
"PhysicalStorageBufferEXT pointer"));
}
TEST_F(ValidateDecorations, PSBFPRoundingModeSuccess) {
std::string spirv = R"(
OpCapability PhysicalStorageBufferAddressesEXT
OpCapability Shader
OpCapability Linkage
OpCapability StorageBuffer16BitAccess
OpExtension "SPV_EXT_physical_storage_buffer"
OpExtension "SPV_KHR_storage_buffer_storage_class"
OpExtension "SPV_KHR_variable_pointers"
OpExtension "SPV_KHR_16bit_storage"
OpMemoryModel PhysicalStorageBuffer64EXT GLSL450
OpEntryPoint GLCompute %main "main"
OpDecorate %_ FPRoundingMode RTE
OpDecorate %half_ptr_var AliasedPointerEXT
%half = OpTypeFloat 16
%float = OpTypeFloat 32
%float_1_25 = OpConstant %float 1.25
%half_ptr = OpTypePointer PhysicalStorageBufferEXT %half
%half_pptr_f = OpTypePointer Function %half_ptr
%void = OpTypeVoid
%func = OpTypeFunction %void
%main = OpFunction %void None %func
%main_entry = OpLabel
%half_ptr_var = OpVariable %half_pptr_f Function
%val1 = OpLoad %half_ptr %half_ptr_var
%_ = OpFConvert %half %float_1_25
OpStore %val1 %_ Aligned 2
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateAndRetrieveValidationState());
}
TEST_F(ValidateDecorations, InvalidStraddle) {
const std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpMemberDecorate %inner_struct 0 Offset 0
OpMemberDecorate %inner_struct 1 Offset 4
OpDecorate %outer_struct Block
OpMemberDecorate %outer_struct 0 Offset 0
OpMemberDecorate %outer_struct 1 Offset 8
OpDecorate %var DescriptorSet 0
OpDecorate %var Binding 0
%void = OpTypeVoid
%float = OpTypeFloat 32
%float2 = OpTypeVector %float 2
%inner_struct = OpTypeStruct %float %float2
%outer_struct = OpTypeStruct %float2 %inner_struct
%ptr_ssbo_outer = OpTypePointer StorageBuffer %outer_struct
%var = OpVariable %ptr_ssbo_outer StorageBuffer
%void_fn = OpTypeFunction %void
%main = OpFunction %void None %void_fn
%entry = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv, SPV_ENV_VULKAN_1_1);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions(SPV_ENV_VULKAN_1_1));
EXPECT_THAT(getDiagnosticString(),
HasSubstr("Structure id 2 decorated as Block for variable in "
"StorageBuffer storage class must follow relaxed "
"storage buffer layout rules: member 1 is an "
"improperly straddling vector at offset 12"));
}
TEST_F(ValidateDecorations, DescriptorArray) {
const std::string spirv = R"(
OpCapability Shader
OpExtension "SPV_KHR_storage_buffer_storage_class"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpDecorate %struct Block
OpMemberDecorate %struct 0 Offset 0
OpMemberDecorate %struct 1 Offset 1
OpDecorate %var DescriptorSet 0
OpDecorate %var Binding 0
%void = OpTypeVoid
%float = OpTypeFloat 32
%int = OpTypeInt 32 0
%int_2 = OpConstant %int 2
%float2 = OpTypeVector %float 2
%struct = OpTypeStruct %float %float2
%struct_array = OpTypeArray %struct %int_2
%ptr_ssbo_array = OpTypePointer StorageBuffer %struct_array
%var = OpVariable %ptr_ssbo_array StorageBuffer
%void_fn = OpTypeFunction %void
%main = OpFunction %void None %void_fn
%entry = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv, SPV_ENV_VULKAN_1_0);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions(SPV_ENV_VULKAN_1_0));
EXPECT_THAT(getDiagnosticString(),
HasSubstr("Structure id 2 decorated as Block for variable in "
"StorageBuffer storage class must follow standard "
"storage buffer layout rules: member 1 at offset 1 is "
"not aligned to 8"));
}
TEST_F(ValidateDecorations, DescriptorRuntimeArray) {
const std::string spirv = R"(
OpCapability Shader
OpCapability RuntimeDescriptorArrayEXT
OpExtension "SPV_KHR_storage_buffer_storage_class"
OpExtension "SPV_EXT_descriptor_indexing"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpDecorate %struct Block
OpMemberDecorate %struct 0 Offset 0
OpMemberDecorate %struct 1 Offset 1
OpDecorate %var DescriptorSet 0
OpDecorate %var Binding 0
%void = OpTypeVoid
%float = OpTypeFloat 32
%int = OpTypeInt 32 0
%float2 = OpTypeVector %float 2
%struct = OpTypeStruct %float %float2
%struct_array = OpTypeRuntimeArray %struct
%ptr_ssbo_array = OpTypePointer StorageBuffer %struct_array
%var = OpVariable %ptr_ssbo_array StorageBuffer
%void_fn = OpTypeFunction %void
%main = OpFunction %void None %void_fn
%entry = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv, SPV_ENV_VULKAN_1_0);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions(SPV_ENV_VULKAN_1_0));
EXPECT_THAT(getDiagnosticString(),
HasSubstr("Structure id 2 decorated as Block for variable in "
"StorageBuffer storage class must follow standard "
"storage buffer layout rules: member 1 at offset 1 is "
"not aligned to 8"));
}
TEST_F(ValidateDecorations, MultiDimensionalArray) {
const std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpDecorate %struct Block
OpMemberDecorate %struct 0 Offset 0
OpDecorate %array_4 ArrayStride 4
OpDecorate %array_3 ArrayStride 48
OpDecorate %var DescriptorSet 0
OpDecorate %var Binding 0
%void = OpTypeVoid
%int = OpTypeInt 32 0
%int_3 = OpConstant %int 3
%int_4 = OpConstant %int 4
%array_4 = OpTypeArray %int %int_4
%array_3 = OpTypeArray %array_4 %int_3
%struct = OpTypeStruct %array_3
%ptr_struct = OpTypePointer Uniform %struct
%var = OpVariable %ptr_struct Uniform
%void_fn = OpTypeFunction %void
%main = OpFunction %void None %void_fn
%entry = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv, SPV_ENV_VULKAN_1_0);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions(SPV_ENV_VULKAN_1_0));
EXPECT_THAT(getDiagnosticString(),
HasSubstr("Structure id 2 decorated as Block for variable in "
"Uniform storage class must follow standard uniform "
"buffer layout rules: member 0 contains an array with "
"stride 4 not satisfying alignment to 16"));
}
TEST_F(ValidateDecorations, ImproperStraddleInArray) {
const std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpDecorate %struct Block
OpMemberDecorate %struct 0 Offset 0
OpDecorate %array ArrayStride 24
OpMemberDecorate %inner 0 Offset 0
OpMemberDecorate %inner 1 Offset 4
OpMemberDecorate %inner 2 Offset 12
OpMemberDecorate %inner 3 Offset 16
OpDecorate %var DescriptorSet 0
OpDecorate %var Binding 0
%void = OpTypeVoid
%int = OpTypeInt 32 0
%int_2 = OpConstant %int 2
%int2 = OpTypeVector %int 2
%inner = OpTypeStruct %int %int2 %int %int
%array = OpTypeArray %inner %int_2
%struct = OpTypeStruct %array
%ptr_struct = OpTypePointer StorageBuffer %struct
%var = OpVariable %ptr_struct StorageBuffer
%void_fn = OpTypeFunction %void
%main = OpFunction %void None %void_fn
%entry = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv, SPV_ENV_VULKAN_1_1);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions(SPV_ENV_VULKAN_1_1));
EXPECT_THAT(getDiagnosticString(),
HasSubstr("Structure id 4 decorated as Block for variable in "
"StorageBuffer storage class must follow relaxed "
"storage buffer layout rules: member 1 is an "
"improperly straddling vector at offset 28"));
}
// NonWritable
// Returns a SPIR-V shader module with variables in various storage classes,
// parameterizable by which ID should be decorated as NonWritable.
std::string ShaderWithNonWritableTarget(const std::string& target,
bool member_decorate = false) {
const std::string decoration_inst =
std::string(member_decorate ? "OpMemberDecorate " : "OpDecorate ") +
target + (member_decorate ? " 0" : "");
return std::string(R"(
OpCapability Shader
OpExtension "SPV_KHR_storage_buffer_storage_class"
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %main "main"
OpName %label "label"
OpName %param_f "param_f"
OpName %param_p "param_p"
OpName %_ptr_imstor "_ptr_imstor"
OpName %_ptr_imsam "_ptr_imsam"
OpName %var_wg "var_wg"
OpName %var_imsam "var_imsam"
OpName %var_priv "var_priv"
OpName %var_func "var_func"
OpName %struct_bad "struct_bad"
OpDecorate %struct_b Block
OpDecorate %struct_bb BufferBlock
OpDecorate %struct_b_rtarr Block
OpMemberDecorate %struct_b 0 Offset 0
OpMemberDecorate %struct_bb 0 Offset 0
OpMemberDecorate %struct_b_rtarr 0 Offset 0
OpDecorate %rtarr ArrayStride 4
)") + decoration_inst +
R"( NonWritable
%void = OpTypeVoid
%void_fn = OpTypeFunction %void
%float = OpTypeFloat 32
%float_0 = OpConstant %float 0
%struct_b = OpTypeStruct %float
%struct_bb = OpTypeStruct %float
%rtarr = OpTypeRuntimeArray %float
%struct_b_rtarr = OpTypeStruct %rtarr
%struct_bad = OpTypeStruct %float
; storage image
%imstor = OpTypeImage %float 2D 0 0 0 2 R32f
; sampled image
%imsam = OpTypeImage %float 2D 0 0 0 1 R32f
%_ptr_Uniform_stb = OpTypePointer Uniform %struct_b
%_ptr_Uniform_stbb = OpTypePointer Uniform %struct_bb
%_ptr_StorageBuffer_stb = OpTypePointer StorageBuffer %struct_b
%_ptr_StorageBuffer_stb_rtarr = OpTypePointer StorageBuffer %struct_b_rtarr
%_ptr_Workgroup = OpTypePointer Workgroup %float
%_ptr_Private = OpTypePointer Private %float
%_ptr_Function = OpTypePointer Function %float
%_ptr_imstor = OpTypePointer UniformConstant %imstor
%_ptr_imsam = OpTypePointer UniformConstant %imsam
%extra_fn = OpTypeFunction %void %float %_ptr_Private %_ptr_imstor
%var_ubo = OpVariable %_ptr_Uniform_stb Uniform
%var_ssbo_u = OpVariable %_ptr_Uniform_stbb Uniform
%var_ssbo_sb = OpVariable %_ptr_StorageBuffer_stb StorageBuffer
%var_ssbo_sb_rtarr = OpVariable %_ptr_StorageBuffer_stb_rtarr StorageBuffer
%var_wg = OpVariable %_ptr_Workgroup Workgroup
%var_priv = OpVariable %_ptr_Private Private
%var_imstor = OpVariable %_ptr_imstor UniformConstant
%var_imsam = OpVariable %_ptr_imsam UniformConstant
%helper = OpFunction %void None %extra_fn
%param_f = OpFunctionParameter %float
%param_p = OpFunctionParameter %_ptr_Private
%param_pimstor = OpFunctionParameter %_ptr_imstor
%helper_label = OpLabel
%helper_func_var = OpVariable %_ptr_Function Function
OpReturn
OpFunctionEnd
%main = OpFunction %void None %void_fn
%label = OpLabel
%var_func = OpVariable %_ptr_Function Function
OpReturn
OpFunctionEnd
)";
}
TEST_F(ValidateDecorations, NonWritableLabelTargetBad) {
std::string spirv = ShaderWithNonWritableTarget("%label");
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("Target of NonWritable decoration must be a "
"memory object declaration (a variable or a function "
"parameter)\n %label = OpLabel"));
}
TEST_F(ValidateDecorations, NonWritableTypeTargetBad) {
std::string spirv = ShaderWithNonWritableTarget("%void");
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("Target of NonWritable decoration must be a "
"memory object declaration (a variable or a function "
"parameter)\n %void = OpTypeVoid"));
}
TEST_F(ValidateDecorations, NonWritableValueTargetBad) {
std::string spirv = ShaderWithNonWritableTarget("%float_0");
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("Target of NonWritable decoration must be a "
"memory object declaration (a variable or a function "
"parameter)\n %float_0 = OpConstant %float 0"));
}
TEST_F(ValidateDecorations, NonWritableValueParamBad) {
std::string spirv = ShaderWithNonWritableTarget("%param_f");
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("Target of NonWritable decoration is invalid: must "
"point to a storage image, uniform block, or storage "
"buffer\n %param_f = OpFunctionParameter %float"));
}
TEST_F(ValidateDecorations, NonWritablePointerParamButWrongTypeBad) {
std::string spirv = ShaderWithNonWritableTarget("%param_p");
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr(
"Target of NonWritable decoration is invalid: must "
"point to a storage image, uniform block, or storage "
"buffer\n %param_p = OpFunctionParameter %_ptr_Private_float"));
}
TEST_F(ValidateDecorations, NonWritablePointerParamStorageImageGood) {
std::string spirv = ShaderWithNonWritableTarget("%param_pimstor");
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(), Eq(""));
}
TEST_F(ValidateDecorations, NonWritableVarStorageImageGood) {
std::string spirv = ShaderWithNonWritableTarget("%var_imstor");
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(), Eq(""));
}
TEST_F(ValidateDecorations, NonWritableVarSampledImageBad) {
std::string spirv = ShaderWithNonWritableTarget("%var_imsam");
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("Target of NonWritable decoration is invalid: must "
"point to a storage image, uniform block, or storage "
"buffer\n %var_imsam"));
}
TEST_F(ValidateDecorations, NonWritableVarUboGood) {
std::string spirv = ShaderWithNonWritableTarget("%var_ubo");
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(), Eq(""));
}
TEST_F(ValidateDecorations, NonWritableVarSsboInUniformGood) {
std::string spirv = ShaderWithNonWritableTarget("%var_ssbo_u");
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(), Eq(""));
}
TEST_F(ValidateDecorations, NonWritableVarSsboInStorageBufferGood) {
std::string spirv = ShaderWithNonWritableTarget("%var_ssbo_sb");
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(), Eq(""));
}
TEST_F(ValidateDecorations, NonWritableMemberOfSsboInStorageBufferGood) {
std::string spirv = ShaderWithNonWritableTarget("%struct_b_rtarr", true);
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(), Eq(""));
}
TEST_F(ValidateDecorations, NonWritableMemberOfNonBlockStructBad) {
std::string spirv = ShaderWithNonWritableTarget("%struct_bad", true);
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions());
EXPECT_THAT(
getDiagnosticString(),
HasSubstr("Target of NonWritable member decoration is invalid: must be "
"the struct type of a uniform block or storage buffer"));
}
TEST_F(ValidateDecorations, NonWritableVarWorkgroupBad) {
std::string spirv = ShaderWithNonWritableTarget("%var_wg");
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("Target of NonWritable decoration is invalid: must "
"point to a storage image, uniform block, or storage "
"buffer\n %var_wg"));
}
TEST_F(ValidateDecorations, NonWritableVarPrivateBad) {
std::string spirv = ShaderWithNonWritableTarget("%var_priv");
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("Target of NonWritable decoration is invalid: must "
"point to a storage image, uniform block, or storage "
"buffer\n %var_priv"));
}
TEST_F(ValidateDecorations, NonWritableVarFunctionBad) {
std::string spirv = ShaderWithNonWritableTarget("%var_func");
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions());
EXPECT_THAT(getDiagnosticString(),
HasSubstr("Target of NonWritable decoration is invalid: must "
"point to a storage image, uniform block, or storage "
"buffer\n %var_func"));
}
} // namespace
} // namespace val
} // namespace spvtools
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