| // Copyright 2018 The Dawn Authors |
| // |
| // 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 "common/Constants.h" |
| |
| #include "tests/unittests/validation/ValidationTest.h" |
| |
| #include "utils/DawnHelpers.h" |
| |
| #include <sstream> |
| |
| class ShaderModuleValidationTest : public ValidationTest { |
| }; |
| |
| // Test case with a simpler shader that should successfully be created |
| TEST_F(ShaderModuleValidationTest, CreationSuccess) { |
| const char* shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %main "main" %fragColor |
| OpExecutionMode %main OriginUpperLeft |
| OpSource GLSL 450 |
| OpSourceExtension "GL_GOOGLE_cpp_style_line_directive" |
| OpSourceExtension "GL_GOOGLE_include_directive" |
| OpName %main "main" |
| OpName %fragColor "fragColor" |
| OpDecorate %fragColor Location 0 |
| %void = OpTypeVoid |
| %3 = OpTypeFunction %void |
| %float = OpTypeFloat 32 |
| %v4float = OpTypeVector %float 4 |
| %_ptr_Output_v4float = OpTypePointer Output %v4float |
| %fragColor = OpVariable %_ptr_Output_v4float Output |
| %float_1 = OpConstant %float 1 |
| %float_0 = OpConstant %float 0 |
| %12 = OpConstantComposite %v4float %float_1 %float_0 %float_0 %float_1 |
| %main = OpFunction %void None %3 |
| %5 = OpLabel |
| OpStore %fragColor %12 |
| OpReturn |
| OpFunctionEnd)"; |
| |
| utils::CreateShaderModuleFromASM(device, shader); |
| } |
| |
| // Test case with a shader with OpUndef to test WebGPU-specific validation |
| // TODO(cwallez@chromium.org): Disabled because of |
| // https://bugs.chromium.org/p/dawn/issues/detail?id=57 |
| TEST_F(ShaderModuleValidationTest, DISABLED_OpUndef) { |
| const char* shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %main "main" %fragColor |
| OpExecutionMode %main OriginUpperLeft |
| OpSource GLSL 450 |
| OpSourceExtension "GL_GOOGLE_cpp_style_line_directive" |
| OpSourceExtension "GL_GOOGLE_include_directive" |
| OpName %main "main" |
| OpName %fragColor "fragColor" |
| OpDecorate %fragColor Location 0 |
| %void = OpTypeVoid |
| %3 = OpTypeFunction %void |
| %float = OpTypeFloat 32 |
| %v4float = OpTypeVector %float 4 |
| %_ptr_Output_v4float = OpTypePointer Output %v4float |
| %fragColor = OpVariable %_ptr_Output_v4float Output |
| %float_1 = OpConstant %float 1 |
| %float_0 = OpConstant %float 0 |
| %12 = OpConstantComposite %v4float %float_1 %float_0 %float_0 %float_1 |
| %main = OpFunction %void None %3 |
| %5 = OpLabel |
| %6 = OpUndef %v4float |
| OpStore %fragColor %12 |
| OpReturn |
| OpFunctionEnd)"; |
| |
| // Notice "%6 = OpUndef %v4float" above |
| ASSERT_DEVICE_ERROR(utils::CreateShaderModuleFromASM(device, shader)); |
| |
| std::string error = GetLastDeviceErrorMessage(); |
| ASSERT_NE(error.find("OpUndef"), std::string::npos); |
| } |
| |
| // Tests that if the output location exceeds kMaxColorAttachments the fragment shader will fail to |
| // be compiled. |
| TEST_F(ShaderModuleValidationTest, FragmentOutputLocationExceedsMaxColorAttachments) { |
| std::ostringstream stream; |
| stream << R"(#version 450 |
| layout(location = )" |
| << kMaxColorAttachments << R"() out vec4 fragColor; |
| void main() { |
| fragColor = vec4(0.0, 1.0, 0.0, 1.0); |
| })"; |
| |
| ASSERT_DEVICE_ERROR(utils::CreateShaderModule(device, utils::SingleShaderStage::Fragment, |
| stream.str().c_str())); |
| } |