mirror of
https://github.com/KhronosGroup/SPIRV-Tools
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bac82f49aa
Also update existing derivative check to be based on the execution mode instead of just the extension being present. More info about extension: - https://github.com/KhronosGroup/SPIRV-Registry/blob/master/extensions/NV/SPV_NV_compute_shader_derivatives.asciidoc
156 lines
4.4 KiB
C++
156 lines
4.4 KiB
C++
// Copyright (c) 2017 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <sstream>
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#include <string>
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#include "gmock/gmock.h"
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#include "test/unit_spirv.h"
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#include "test/val/val_fixtures.h"
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namespace spvtools {
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namespace val {
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namespace {
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using ::testing::HasSubstr;
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using ::testing::Not;
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using ValidateDerivatives = spvtest::ValidateBase<bool>;
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std::string GenerateShaderCode(
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const std::string& body,
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const std::string& capabilities_and_extensions = "",
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const std::string& execution_model = "Fragment") {
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std::stringstream ss;
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ss << R"(
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OpCapability Shader
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OpCapability DerivativeControl
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)";
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ss << capabilities_and_extensions;
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ss << "OpMemoryModel Logical GLSL450\n";
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ss << "OpEntryPoint " << execution_model << " %main \"main\""
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<< " %f32_var_input"
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<< " %f32vec4_var_input"
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<< "\n";
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if (execution_model == "Fragment") {
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ss << "OpExecutionMode %main OriginUpperLeft\n";
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}
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ss << R"(
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%void = OpTypeVoid
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%func = OpTypeFunction %void
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%bool = OpTypeBool
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%f32 = OpTypeFloat 32
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%u32 = OpTypeInt 32 0
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%s32 = OpTypeInt 32 1
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%f32vec4 = OpTypeVector %f32 4
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%f32_ptr_input = OpTypePointer Input %f32
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%f32_var_input = OpVariable %f32_ptr_input Input
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%f32vec4_ptr_input = OpTypePointer Input %f32vec4
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%f32vec4_var_input = OpVariable %f32vec4_ptr_input Input
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%main = OpFunction %void None %func
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%main_entry = OpLabel
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)";
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ss << body;
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ss << R"(
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OpReturn
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OpFunctionEnd)";
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return ss.str();
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}
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TEST_F(ValidateDerivatives, ScalarSuccess) {
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const std::string body = R"(
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%f32_var = OpLoad %f32 %f32_var_input
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%val1 = OpDPdx %f32 %f32_var
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%val2 = OpDPdy %f32 %f32_var
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%val3 = OpFwidth %f32 %f32_var
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%val4 = OpDPdxFine %f32 %f32_var
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%val5 = OpDPdyFine %f32 %f32_var
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%val6 = OpFwidthFine %f32 %f32_var
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%val7 = OpDPdxCoarse %f32 %f32_var
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%val8 = OpDPdyCoarse %f32 %f32_var
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%val9 = OpFwidthCoarse %f32 %f32_var
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)";
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CompileSuccessfully(GenerateShaderCode(body).c_str());
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ASSERT_EQ(SPV_SUCCESS, ValidateInstructions());
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}
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TEST_F(ValidateDerivatives, VectorSuccess) {
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const std::string body = R"(
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%f32vec4_var = OpLoad %f32vec4 %f32vec4_var_input
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%val1 = OpDPdx %f32vec4 %f32vec4_var
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%val2 = OpDPdy %f32vec4 %f32vec4_var
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%val3 = OpFwidth %f32vec4 %f32vec4_var
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%val4 = OpDPdxFine %f32vec4 %f32vec4_var
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%val5 = OpDPdyFine %f32vec4 %f32vec4_var
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%val6 = OpFwidthFine %f32vec4 %f32vec4_var
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%val7 = OpDPdxCoarse %f32vec4 %f32vec4_var
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%val8 = OpDPdyCoarse %f32vec4 %f32vec4_var
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%val9 = OpFwidthCoarse %f32vec4 %f32vec4_var
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)";
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CompileSuccessfully(GenerateShaderCode(body).c_str());
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ASSERT_EQ(SPV_SUCCESS, ValidateInstructions());
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}
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TEST_F(ValidateDerivatives, OpDPdxWrongResultType) {
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const std::string body = R"(
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%f32_var = OpLoad %f32 %f32_var_input
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%val1 = OpDPdx %u32 %f32vec4
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)";
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CompileSuccessfully(GenerateShaderCode(body).c_str());
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ASSERT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions());
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EXPECT_THAT(getDiagnosticString(), HasSubstr("Operand 10[%v4float] cannot "
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"be a type"));
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}
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TEST_F(ValidateDerivatives, OpDPdxWrongPType) {
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const std::string body = R"(
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%f32vec4_var = OpLoad %f32vec4 %f32vec4_var_input
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%val1 = OpDPdx %f32 %f32vec4_var
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)";
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CompileSuccessfully(GenerateShaderCode(body).c_str());
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ASSERT_EQ(SPV_ERROR_INVALID_DATA, ValidateInstructions());
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EXPECT_THAT(getDiagnosticString(),
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HasSubstr("Expected P type and Result Type to be the same: "
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"DPdx"));
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}
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TEST_F(ValidateDerivatives, OpDPdxWrongExecutionModel) {
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const std::string body = R"(
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%f32vec4_var = OpLoad %f32vec4 %f32vec4_var_input
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%val1 = OpDPdx %f32vec4 %f32vec4_var
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)";
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CompileSuccessfully(GenerateShaderCode(body, "", "Vertex").c_str());
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ASSERT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions());
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EXPECT_THAT(getDiagnosticString(),
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HasSubstr("Derivative instructions require Fragment or GLCompute "
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"execution model: DPdx"));
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}
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} // namespace
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} // namespace val
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} // namespace spvtools
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