SPIRV-Tools/test/opt/desc_sroa_test.cpp
2019-08-21 10:55:02 -04:00

271 lines
12 KiB
C++

// Copyright (c) 2019 Google LLC
//
// 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.
#include <string>
#include "gmock/gmock.h"
#include "test/opt/assembly_builder.h"
#include "test/opt/pass_fixture.h"
#include "test/opt/pass_utils.h"
namespace spvtools {
namespace opt {
namespace {
using DescriptorScalarReplacementTest = PassTest<::testing::Test>;
TEST_F(DescriptorScalarReplacementTest, ExpandTexture) {
const std::string text = R"(
; CHECK: OpDecorate [[var1:%\w+]] DescriptorSet 0
; CHECK: OpDecorate [[var1]] Binding 0
; CHECK: OpDecorate [[var2:%\w+]] DescriptorSet 0
; CHECK: OpDecorate [[var2]] Binding 1
; CHECK: OpDecorate [[var3:%\w+]] DescriptorSet 0
; CHECK: OpDecorate [[var3]] Binding 2
; CHECK: OpDecorate [[var4:%\w+]] DescriptorSet 0
; CHECK: OpDecorate [[var4]] Binding 3
; CHECK: OpDecorate [[var5:%\w+]] DescriptorSet 0
; CHECK: OpDecorate [[var5]] Binding 4
; CHECK: [[image_type:%\w+]] = OpTypeImage
; CHECK: [[ptr_type:%\w+]] = OpTypePointer UniformConstant [[image_type]]
; CHECK: [[var1]] = OpVariable [[ptr_type]] UniformConstant
; CHECK: [[var2]] = OpVariable [[ptr_type]] UniformConstant
; CHECK: [[var3]] = OpVariable [[ptr_type]] UniformConstant
; CHECK: [[var4]] = OpVariable [[ptr_type]] UniformConstant
; CHECK: [[var5]] = OpVariable [[ptr_type]] UniformConstant
; CHECK: OpLoad [[image_type]] [[var1]]
; CHECK: OpLoad [[image_type]] [[var2]]
; CHECK: OpLoad [[image_type]] [[var3]]
; CHECK: OpLoad [[image_type]] [[var4]]
; CHECK: OpLoad [[image_type]] [[var5]]
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %main "main"
OpExecutionMode %main OriginUpperLeft
OpSource HLSL 600
OpDecorate %MyTextures DescriptorSet 0
OpDecorate %MyTextures Binding 0
%int = OpTypeInt 32 1
%int_0 = OpConstant %int 0
%int_1 = OpConstant %int 1
%int_2 = OpConstant %int 2
%int_3 = OpConstant %int 3
%int_4 = OpConstant %int 4
%uint = OpTypeInt 32 0
%uint_5 = OpConstant %uint 5
%float = OpTypeFloat 32
%type_2d_image = OpTypeImage %float 2D 2 0 0 1 Unknown
%_arr_type_2d_image_uint_5 = OpTypeArray %type_2d_image %uint_5
%_ptr_UniformConstant__arr_type_2d_image_uint_5 = OpTypePointer UniformConstant %_arr_type_2d_image_uint_5
%v2float = OpTypeVector %float 2
%void = OpTypeVoid
%26 = OpTypeFunction %void
%_ptr_UniformConstant_type_2d_image = OpTypePointer UniformConstant %type_2d_image
%MyTextures = OpVariable %_ptr_UniformConstant__arr_type_2d_image_uint_5 UniformConstant
%main = OpFunction %void None %26
%28 = OpLabel
%29 = OpUndef %v2float
%30 = OpAccessChain %_ptr_UniformConstant_type_2d_image %MyTextures %int_0
%31 = OpLoad %type_2d_image %30
%35 = OpAccessChain %_ptr_UniformConstant_type_2d_image %MyTextures %int_1
%36 = OpLoad %type_2d_image %35
%40 = OpAccessChain %_ptr_UniformConstant_type_2d_image %MyTextures %int_2
%41 = OpLoad %type_2d_image %40
%45 = OpAccessChain %_ptr_UniformConstant_type_2d_image %MyTextures %int_3
%46 = OpLoad %type_2d_image %45
%50 = OpAccessChain %_ptr_UniformConstant_type_2d_image %MyTextures %int_4
%51 = OpLoad %type_2d_image %50
OpReturn
OpFunctionEnd
)";
SinglePassRunAndMatch<DescriptorScalarReplacement>(text, true);
}
TEST_F(DescriptorScalarReplacementTest, ExpandSampler) {
const std::string text = R"(
; CHECK: OpDecorate [[var1:%\w+]] DescriptorSet 0
; CHECK: OpDecorate [[var1]] Binding 1
; CHECK: OpDecorate [[var2:%\w+]] DescriptorSet 0
; CHECK: OpDecorate [[var2]] Binding 2
; CHECK: OpDecorate [[var3:%\w+]] DescriptorSet 0
; CHECK: OpDecorate [[var3]] Binding 3
; CHECK: [[sampler_type:%\w+]] = OpTypeSampler
; CHECK: [[ptr_type:%\w+]] = OpTypePointer UniformConstant [[sampler_type]]
; CHECK: [[var1]] = OpVariable [[ptr_type]] UniformConstant
; CHECK: [[var2]] = OpVariable [[ptr_type]] UniformConstant
; CHECK: [[var3]] = OpVariable [[ptr_type]] UniformConstant
; CHECK: OpLoad [[sampler_type]] [[var1]]
; CHECK: OpLoad [[sampler_type]] [[var2]]
; CHECK: OpLoad [[sampler_type]] [[var3]]
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %main "main"
OpExecutionMode %main OriginUpperLeft
OpSource HLSL 600
OpDecorate %MySampler DescriptorSet 0
OpDecorate %MySampler Binding 1
%int = OpTypeInt 32 1
%int_0 = OpConstant %int 0
%int_1 = OpConstant %int 1
%int_2 = OpConstant %int 2
%uint = OpTypeInt 32 0
%uint_3 = OpConstant %uint 3
%type_sampler = OpTypeSampler
%_arr_type_sampler_uint_3 = OpTypeArray %type_sampler %uint_3
%_ptr_UniformConstant__arr_type_sampler_uint_3 = OpTypePointer UniformConstant %_arr_type_sampler_uint_3
%void = OpTypeVoid
%26 = OpTypeFunction %void
%_ptr_UniformConstant_type_sampler = OpTypePointer UniformConstant %type_sampler
%MySampler = OpVariable %_ptr_UniformConstant__arr_type_sampler_uint_3 UniformConstant
%main = OpFunction %void None %26
%28 = OpLabel
%31 = OpAccessChain %_ptr_UniformConstant_type_sampler %MySampler %int_0
%32 = OpLoad %type_sampler %31
%35 = OpAccessChain %_ptr_UniformConstant_type_sampler %MySampler %int_1
%36 = OpLoad %type_sampler %35
%40 = OpAccessChain %_ptr_UniformConstant_type_sampler %MySampler %int_2
%41 = OpLoad %type_sampler %40
OpReturn
OpFunctionEnd
)";
SinglePassRunAndMatch<DescriptorScalarReplacement>(text, true);
}
TEST_F(DescriptorScalarReplacementTest, ExpandSSBO) {
// Tests the expansion of an SSBO. Also check that an access chain with more
// than 1 index is correctly handled.
const std::string text = R"(
; CHECK: OpDecorate [[var1:%\w+]] DescriptorSet 0
; CHECK: OpDecorate [[var1]] Binding 0
; CHECK: OpDecorate [[var2:%\w+]] DescriptorSet 0
; CHECK: OpDecorate [[var2]] Binding 1
; CHECK: OpTypeStruct
; CHECK: [[struct_type:%\w+]] = OpTypeStruct
; CHECK: [[ptr_type:%\w+]] = OpTypePointer Uniform [[struct_type]]
; CHECK: [[var1]] = OpVariable [[ptr_type]] Uniform
; CHECK: [[var2]] = OpVariable [[ptr_type]] Uniform
; CHECK: [[ac1:%\w+]] = OpAccessChain %_ptr_Uniform_v4float [[var1]] %uint_0 %uint_0 %uint_0
; CHECK: OpLoad %v4float [[ac1]]
; CHECK: [[ac2:%\w+]] = OpAccessChain %_ptr_Uniform_v4float [[var2]] %uint_0 %uint_0 %uint_0
; CHECK: OpLoad %v4float [[ac2]]
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %main "main"
OpExecutionMode %main OriginUpperLeft
OpSource HLSL 600
OpDecorate %buffers DescriptorSet 0
OpDecorate %buffers Binding 0
OpMemberDecorate %S 0 Offset 0
OpDecorate %_runtimearr_S ArrayStride 16
OpMemberDecorate %type_StructuredBuffer_S 0 Offset 0
OpMemberDecorate %type_StructuredBuffer_S 0 NonWritable
OpDecorate %type_StructuredBuffer_S BufferBlock
%uint = OpTypeInt 32 0
%uint_0 = OpConstant %uint 0
%uint_1 = OpConstant %uint 1
%uint_2 = OpConstant %uint 2
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%S = OpTypeStruct %v4float
%_runtimearr_S = OpTypeRuntimeArray %S
%type_StructuredBuffer_S = OpTypeStruct %_runtimearr_S
%_arr_type_StructuredBuffer_S_uint_2 = OpTypeArray %type_StructuredBuffer_S %uint_2
%_ptr_Uniform__arr_type_StructuredBuffer_S_uint_2 = OpTypePointer Uniform %_arr_type_StructuredBuffer_S_uint_2
%_ptr_Uniform_type_StructuredBuffer_S = OpTypePointer Uniform %type_StructuredBuffer_S
%void = OpTypeVoid
%19 = OpTypeFunction %void
%_ptr_Uniform_v4float = OpTypePointer Uniform %v4float
%buffers = OpVariable %_ptr_Uniform__arr_type_StructuredBuffer_S_uint_2 Uniform
%main = OpFunction %void None %19
%21 = OpLabel
%22 = OpAccessChain %_ptr_Uniform_v4float %buffers %uint_0 %uint_0 %uint_0 %uint_0
%23 = OpLoad %v4float %22
%24 = OpAccessChain %_ptr_Uniform_type_StructuredBuffer_S %buffers %uint_1
%25 = OpAccessChain %_ptr_Uniform_v4float %24 %uint_0 %uint_0 %uint_0
%26 = OpLoad %v4float %25
OpReturn
OpFunctionEnd
)";
SinglePassRunAndMatch<DescriptorScalarReplacement>(text, true);
}
TEST_F(DescriptorScalarReplacementTest, NameNewVariables) {
// Checks that if the original variable has a name, then the new variables
// will have a name derived from that name.
const std::string text = R"(
; CHECK: OpName [[var1:%\w+]] "SSBO[0]"
; CHECK: OpName [[var2:%\w+]] "SSBO[1]"
; CHECK: OpDecorate [[var1]] DescriptorSet 0
; CHECK: OpDecorate [[var1]] Binding 0
; CHECK: OpDecorate [[var2]] DescriptorSet 0
; CHECK: OpDecorate [[var2]] Binding 1
; CHECK: OpTypeStruct
; CHECK: [[struct_type:%\w+]] = OpTypeStruct
; CHECK: [[ptr_type:%\w+]] = OpTypePointer Uniform [[struct_type]]
; CHECK: [[var1]] = OpVariable [[ptr_type]] Uniform
; CHECK: [[var2]] = OpVariable [[ptr_type]] Uniform
; CHECK: [[ac1:%\w+]] = OpAccessChain %_ptr_Uniform_v4float [[var1]] %uint_0 %uint_0 %uint_0
; CHECK: OpLoad %v4float [[ac1]]
; CHECK: [[ac2:%\w+]] = OpAccessChain %_ptr_Uniform_v4float [[var2]] %uint_0 %uint_0 %uint_0
; CHECK: OpLoad %v4float [[ac2]]
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %main "main"
OpExecutionMode %main OriginUpperLeft
OpSource HLSL 600
OpName %buffers "SSBO"
OpDecorate %buffers DescriptorSet 0
OpDecorate %buffers Binding 0
OpMemberDecorate %S 0 Offset 0
OpDecorate %_runtimearr_S ArrayStride 16
OpMemberDecorate %type_StructuredBuffer_S 0 Offset 0
OpMemberDecorate %type_StructuredBuffer_S 0 NonWritable
OpDecorate %type_StructuredBuffer_S BufferBlock
%uint = OpTypeInt 32 0
%uint_0 = OpConstant %uint 0
%uint_1 = OpConstant %uint 1
%uint_2 = OpConstant %uint 2
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%S = OpTypeStruct %v4float
%_runtimearr_S = OpTypeRuntimeArray %S
%type_StructuredBuffer_S = OpTypeStruct %_runtimearr_S
%_arr_type_StructuredBuffer_S_uint_2 = OpTypeArray %type_StructuredBuffer_S %uint_2
%_ptr_Uniform__arr_type_StructuredBuffer_S_uint_2 = OpTypePointer Uniform %_arr_type_StructuredBuffer_S_uint_2
%_ptr_Uniform_type_StructuredBuffer_S = OpTypePointer Uniform %type_StructuredBuffer_S
%void = OpTypeVoid
%19 = OpTypeFunction %void
%_ptr_Uniform_v4float = OpTypePointer Uniform %v4float
%buffers = OpVariable %_ptr_Uniform__arr_type_StructuredBuffer_S_uint_2 Uniform
%main = OpFunction %void None %19
%21 = OpLabel
%22 = OpAccessChain %_ptr_Uniform_v4float %buffers %uint_0 %uint_0 %uint_0 %uint_0
%23 = OpLoad %v4float %22
%24 = OpAccessChain %_ptr_Uniform_type_StructuredBuffer_S %buffers %uint_1
%25 = OpAccessChain %_ptr_Uniform_v4float %24 %uint_0 %uint_0 %uint_0
%26 = OpLoad %v4float %25
OpReturn
OpFunctionEnd
)";
SinglePassRunAndMatch<DescriptorScalarReplacement>(text, true);
}
} // namespace
} // namespace opt
} // namespace spvtools