| #!amber |
| |
| # Copyright 2020 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 coverage-gap found by the GraphicsFuzz project. |
| |
| # Short description: A fragment shader that covers a specific DAG code paths |
| |
| # The test passes because the shader always writes red. |
| |
| # Optimized using spirv-opt with the following arguments: |
| # '-O' |
| # spirv-opt commit hash: a187dd58a0485988841d325a85c8e6063f53500a |
| |
| |
| |
| SHADER vertex variant_vertex_shader PASSTHROUGH |
| |
| # variant_fragment_shader is derived from the following GLSL: |
| # #version 310 es |
| # #define _float_1_0 _GLF_uniform_float_values[0] |
| # #define _float_0_0 _GLF_uniform_float_values[1] |
| # #define _float_0_1 _GLF_uniform_float_values[2] |
| # #define _float_0_3 _GLF_uniform_float_values[3] |
| # #define _float_0_2 _GLF_uniform_float_values[4] |
| # |
| # precision highp float; |
| # |
| # precision highp int; |
| # |
| # // Contents of _GLF_uniform_float_values: [1.0, 0.0, 0.1, 0.3, 0.2] |
| # layout(set = 0, binding = 0) uniform buf0 |
| # { |
| # float _GLF_uniform_float_values[5]; |
| # }; |
| # |
| # layout(location = 0) out vec4 _GLF_color; |
| # |
| # void main() |
| # { |
| # // These conditions don't matter since the color |
| # // gets overwritten right after. |
| # if(gl_FragCoord.x > _float_1_0) |
| # { |
| # _GLF_color = vec4(_float_0_1); |
| # if(gl_FragCoord.y > _float_1_0) |
| # { |
| # _GLF_color = vec4(_float_0_2); |
| # } |
| # _GLF_color = vec4(_float_0_3); |
| # } |
| # |
| # _GLF_color = vec4(_float_1_0, _float_0_0, _float_0_0, 10.0); |
| # // Multiplying by an identity matrix doesn't change the vector value. |
| # _GLF_color = mat4(_float_1_0) * _GLF_color; |
| # } |
| SHADER fragment variant_fragment_shader SPIRV-ASM TARGET_ENV spv1.0 |
| ; SPIR-V |
| ; Version: 1.0 |
| ; Generator: Khronos Glslang Reference Front End; 10 |
| ; Bound: 72 |
| ; Schema: 0 |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %4 "main" %9 %30 |
| OpExecutionMode %4 OriginUpperLeft |
| OpSource ESSL 310 |
| OpName %4 "main" |
| OpName %9 "gl_FragCoord" |
| OpName %17 "buf0" |
| OpMemberName %17 0 "_GLF_uniform_float_values" |
| OpName %19 "" |
| OpName %30 "_GLF_color" |
| OpDecorate %9 BuiltIn FragCoord |
| OpDecorate %16 ArrayStride 16 |
| OpMemberDecorate %17 0 Offset 0 |
| OpDecorate %17 Block |
| OpDecorate %19 DescriptorSet 0 |
| OpDecorate %19 Binding 0 |
| OpDecorate %30 Location 0 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeFloat 32 |
| %7 = OpTypeVector %6 4 |
| %8 = OpTypePointer Input %7 |
| %9 = OpVariable %8 Input |
| %10 = OpTypeInt 32 0 |
| %11 = OpConstant %10 0 |
| %12 = OpTypePointer Input %6 |
| %15 = OpConstant %10 5 |
| %16 = OpTypeArray %6 %15 |
| %17 = OpTypeStruct %16 |
| %18 = OpTypePointer Uniform %17 |
| %19 = OpVariable %18 Uniform |
| %20 = OpTypeInt 32 1 |
| %21 = OpConstant %20 0 |
| %22 = OpTypePointer Uniform %6 |
| %25 = OpTypeBool |
| %29 = OpTypePointer Output %7 |
| %30 = OpVariable %29 Output |
| %31 = OpConstant %20 2 |
| %35 = OpConstant %10 1 |
| %43 = OpConstant %20 4 |
| %47 = OpConstant %20 3 |
| %53 = OpConstant %20 1 |
| %58 = OpConstant %6 10 |
| %62 = OpTypeMatrix %7 4 |
| %64 = OpConstant %6 0 |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| %13 = OpAccessChain %12 %9 %11 |
| %14 = OpLoad %6 %13 |
| %23 = OpAccessChain %22 %19 %21 %21 |
| %24 = OpLoad %6 %23 |
| %26 = OpFOrdGreaterThan %25 %14 %24 |
| OpSelectionMerge %28 None |
| OpBranchConditional %26 %27 %28 |
| %27 = OpLabel |
| %32 = OpAccessChain %22 %19 %21 %31 |
| %33 = OpLoad %6 %32 |
| %34 = OpCompositeConstruct %7 %33 %33 %33 %33 |
| OpStore %30 %34 |
| %36 = OpAccessChain %12 %9 %35 |
| %37 = OpLoad %6 %36 |
| %40 = OpFOrdGreaterThan %25 %37 %24 |
| OpSelectionMerge %42 None |
| OpBranchConditional %40 %41 %42 |
| %41 = OpLabel |
| %44 = OpAccessChain %22 %19 %21 %43 |
| %45 = OpLoad %6 %44 |
| %46 = OpCompositeConstruct %7 %45 %45 %45 %45 |
| OpStore %30 %46 |
| OpBranch %42 |
| %42 = OpLabel |
| %48 = OpAccessChain %22 %19 %21 %47 |
| %49 = OpLoad %6 %48 |
| %50 = OpCompositeConstruct %7 %49 %49 %49 %49 |
| OpStore %30 %50 |
| OpBranch %28 |
| %28 = OpLabel |
| %54 = OpAccessChain %22 %19 %21 %53 |
| %55 = OpLoad %6 %54 |
| %59 = OpCompositeConstruct %7 %24 %55 %55 %58 |
| OpStore %30 %59 |
| %65 = OpCompositeConstruct %7 %24 %64 %64 %64 |
| %66 = OpCompositeConstruct %7 %64 %24 %64 %64 |
| %67 = OpCompositeConstruct %7 %64 %64 %24 %64 |
| %68 = OpCompositeConstruct %7 %64 %64 %64 %24 |
| %69 = OpCompositeConstruct %62 %65 %66 %67 %68 |
| %70 = OpLoad %7 %30 |
| %71 = OpMatrixTimesVector %7 %69 %70 |
| OpStore %30 %71 |
| OpReturn |
| OpFunctionEnd |
| END |
| |
| # uniforms for variant |
| |
| # _GLF_uniform_float_values |
| BUFFER variant__GLF_uniform_float_values DATA_TYPE float[] STD140 DATA |
| 1.0 0.0 0.1 0.3 0.2 |
| END |
| |
| BUFFER variant_framebuffer FORMAT B8G8R8A8_UNORM |
| |
| PIPELINE graphics variant_pipeline |
| ATTACH variant_vertex_shader |
| ATTACH variant_fragment_shader |
| FRAMEBUFFER_SIZE 16 16 |
| BIND BUFFER variant_framebuffer AS color LOCATION 0 |
| BIND BUFFER variant__GLF_uniform_float_values AS uniform DESCRIPTOR_SET 0 BINDING 0 |
| END |
| CLEAR_COLOR variant_pipeline 0 0 0 255 |
| |
| CLEAR variant_pipeline |
| RUN variant_pipeline DRAW_RECT POS 0 0 SIZE 16 16 |
| |
| EXPECT variant_framebuffer IDX 0 0 SIZE 16 16 EQ_RGBA 255 0 0 255 |