| #!amber |
| |
| # Copyright 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. |
| |
| |
| # A test for a bug found by GraphicsFuzz. |
| |
| # Short description: Fragment shader that uses 'transpose' |
| |
| # The test passes because 'f' is invoked with a vector whose components are less than or equal to 1.0, so that it returns vec3(1.0, 0.0, 0.0), meaning that the output colour red is written |
| |
| # Optimized using spirv-opt with the following arguments: |
| # '-O' |
| # spirv-opt commit hash: 6b072126595dd8c2448eb1fda616251c5e6d7079 |
| |
| |
| |
| SHADER vertex variant_vertex_shader PASSTHROUGH |
| |
| # variant_fragment_shader is derived from the following GLSL: |
| # #version 310 es |
| # precision highp float; |
| # |
| # layout(location = 0) out vec4 _GLF_color; |
| # |
| # vec3 f(vec2 pos) |
| # { |
| # if(pos.y > 1.0) |
| # { |
| # vec3 v; |
| # return v; |
| # } |
| # return vec3(1.0, 0.0, 0.0); |
| # } |
| # void main() |
| # { |
| # _GLF_color = vec4(f(vec2(transpose((gl_FragCoord.y < 1.0) ? mat4x3(1.0) : transpose(mat3x4(1.0))))), 1.0); |
| # } |
| SHADER fragment variant_fragment_shader SPIRV-ASM TARGET_ENV spv1.0 |
| ; SPIR-V |
| ; Version: 1.0 |
| ; Generator: Khronos Glslang Reference Front End; 7 |
| ; Bound: 99 |
| ; Schema: 0 |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %4 "main" %34 %36 |
| OpExecutionMode %4 OriginUpperLeft |
| OpSource ESSL 310 |
| OpName %4 "main" |
| OpName %34 "_GLF_color" |
| OpName %36 "gl_FragCoord" |
| OpDecorate %34 Location 0 |
| OpDecorate %36 BuiltIn FragCoord |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeFloat 32 |
| %9 = OpTypeVector %6 3 |
| %14 = OpTypeInt 32 0 |
| %15 = OpConstant %14 1 |
| %19 = OpConstant %6 1 |
| %20 = OpTypeBool |
| %28 = OpConstant %6 0 |
| %29 = OpConstantComposite %9 %19 %28 %28 |
| %32 = OpTypeVector %6 4 |
| %33 = OpTypePointer Output %32 |
| %34 = OpVariable %33 Output |
| %35 = OpTypePointer Input %32 |
| %36 = OpVariable %35 Input |
| %37 = OpTypePointer Input %6 |
| %41 = OpTypeMatrix %9 4 |
| %46 = OpConstantComposite %9 %28 %19 %28 |
| %47 = OpConstantComposite %9 %28 %28 %19 |
| %48 = OpConstantComposite %9 %28 %28 %28 |
| %49 = OpConstantComposite %41 %29 %46 %47 %48 |
| %51 = OpTypeMatrix %32 3 |
| %52 = OpConstantComposite %32 %19 %28 %28 %28 |
| %53 = OpConstantComposite %32 %28 %19 %28 %28 |
| %54 = OpConstantComposite %32 %28 %28 %19 %28 |
| %55 = OpConstantComposite %51 %52 %53 %54 |
| %97 = OpUndef %9 |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| %38 = OpAccessChain %37 %36 %15 |
| %39 = OpLoad %6 %38 |
| %40 = OpFOrdLessThan %20 %39 %19 |
| OpSelectionMerge %45 None |
| OpBranchConditional %40 %44 %50 |
| %44 = OpLabel |
| OpBranch %45 |
| %50 = OpLabel |
| %56 = OpTranspose %41 %55 |
| OpBranch %45 |
| %45 = OpLabel |
| %94 = OpPhi %41 %49 %44 %56 %50 |
| %58 = OpTranspose %51 %94 |
| %60 = OpCompositeExtract %6 %58 0 1 |
| OpBranch %82 |
| %82 = OpLabel |
| OpLoopMerge %83 %84 None |
| OpBranch %85 |
| %85 = OpLabel |
| %88 = OpFOrdGreaterThan %20 %60 %19 |
| OpSelectionMerge %89 None |
| OpBranchConditional %88 %90 %89 |
| %90 = OpLabel |
| OpBranch %83 |
| %89 = OpLabel |
| OpBranch %83 |
| %84 = OpLabel |
| OpBranch %82 |
| %83 = OpLabel |
| %98 = OpPhi %9 %97 %90 %29 %89 |
| %64 = OpCompositeExtract %6 %98 0 |
| %65 = OpCompositeExtract %6 %98 1 |
| %66 = OpCompositeExtract %6 %98 2 |
| %67 = OpCompositeConstruct %32 %64 %65 %66 %19 |
| OpStore %34 %67 |
| OpReturn |
| OpFunctionEnd |
| END |
| |
| # uniforms for variant |
| |
| |
| BUFFER variant_framebuffer FORMAT B8G8R8A8_UNORM |
| |
| PIPELINE graphics variant_pipeline |
| ATTACH variant_vertex_shader |
| ATTACH variant_fragment_shader |
| FRAMEBUFFER_SIZE 256 256 |
| BIND BUFFER variant_framebuffer AS color LOCATION 0 |
| END |
| CLEAR_COLOR variant_pipeline 0 0 0 255 |
| |
| CLEAR variant_pipeline |
| RUN variant_pipeline DRAW_RECT POS 0 0 SIZE 256 256 |
| |
| EXPECT variant_framebuffer IDX 0 0 SIZE 256 256 EQ_RGBA 255 0 0 255 |