| #!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 bug found by the GraphicsFuzz project. |
| |
| # Short description: A fragment shader with struct array and always true if |
| |
| # The test passes because the shader always writes the color red. |
| |
| SHADER vertex variant_vertex_shader PASSTHROUGH |
| |
| # variant_fragment_shader is derived from the following GLSL: |
| # #version 320 es |
| # precision highp float; |
| # |
| # precision highp int; |
| # |
| # layout(location = 0) out vec4 _GLF_color; |
| # layout(set = 0, binding = 0) uniform buf0 |
| # { |
| # vec2 injectionSwitch; // x == 0.0, y == 1.0 |
| # }; |
| # struct struct_base |
| # { |
| # int data; |
| # int leftIndex; |
| # int rightIndex; |
| # }; |
| # |
| # struct_base struct_array[3] = struct_base[3](struct_base(1, 1, 1), struct_base(1, 1, 1), struct_base(1, 1, 1)); |
| # |
| # |
| # void main() |
| # { |
| # int index = 1; |
| # struct_array[1].rightIndex = 1; |
| # // Always true. |
| # if (struct_array[1].leftIndex == 1) |
| # { |
| # // index == 1 |
| # index = struct_array[int(injectionSwitch.x)].rightIndex; |
| # } |
| # else |
| # { |
| # // index == 1 |
| # index = struct_array[int(injectionSwitch.y)].leftIndex; |
| # } |
| # // Always true. |
| # if(struct_array[1].leftIndex == 1) |
| # { |
| # _GLF_color = vec4(1.0, 0.0, 0.0, 1.0); |
| # } |
| # else |
| # { |
| # _GLF_color = vec4(1.0); |
| # } |
| # } |
| SHADER fragment variant_fragment_shader SPIRV-ASM TARGET_ENV spv1.0 |
| ; SPIR-V |
| ; Version: 1.0 |
| ; Generator: Khronos Glslang Reference Front End; 10 |
| ; Bound: 60 |
| ; Schema: 0 |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %4 "main" %54 |
| OpExecutionMode %4 OriginUpperLeft |
| OpSource ESSL 320 |
| OpName %4 "main" |
| OpName %7 "struct_base" |
| OpMemberName %7 0 "data" |
| OpMemberName %7 1 "leftIndex" |
| OpMemberName %7 2 "rightIndex" |
| OpName %12 "struct_array" |
| OpName %17 "index" |
| OpName %29 "buf0" |
| OpMemberName %29 0 "injectionSwitch" |
| OpName %31 "" |
| OpName %54 "_GLF_color" |
| OpMemberDecorate %29 0 Offset 0 |
| OpDecorate %29 Block |
| OpDecorate %31 DescriptorSet 0 |
| OpDecorate %31 Binding 0 |
| OpDecorate %54 Location 0 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeInt 32 1 |
| %7 = OpTypeStruct %6 %6 %6 |
| %8 = OpTypeInt 32 0 |
| %9 = OpConstant %8 3 |
| %10 = OpTypeArray %7 %9 |
| %11 = OpTypePointer Private %10 |
| %12 = OpVariable %11 Private |
| %13 = OpConstant %6 1 |
| %14 = OpConstantComposite %7 %13 %13 %13 |
| %15 = OpConstantComposite %10 %14 %14 %14 |
| %16 = OpTypePointer Function %6 |
| %18 = OpConstant %6 2 |
| %19 = OpTypePointer Private %6 |
| %23 = OpTypeBool |
| %27 = OpTypeFloat 32 |
| %28 = OpTypeVector %27 2 |
| %29 = OpTypeStruct %28 |
| %30 = OpTypePointer Uniform %29 |
| %31 = OpVariable %30 Uniform |
| %32 = OpConstant %6 0 |
| %33 = OpConstant %8 0 |
| %34 = OpTypePointer Uniform %27 |
| %41 = OpConstant %8 1 |
| %52 = OpTypeVector %27 4 |
| %53 = OpTypePointer Output %52 |
| %54 = OpVariable %53 Output |
| %55 = OpConstant %27 1 |
| %56 = OpConstant %27 0 |
| %57 = OpConstantComposite %52 %55 %56 %56 %55 |
| %59 = OpConstantComposite %52 %55 %55 %55 %55 |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| %17 = OpVariable %16 Function |
| OpStore %12 %15 |
| OpStore %17 %13 |
| %20 = OpAccessChain %19 %12 %13 %18 |
| OpStore %20 %13 |
| %21 = OpAccessChain %19 %12 %13 %13 |
| %22 = OpLoad %6 %21 |
| %24 = OpIEqual %23 %22 %13 |
| OpSelectionMerge %26 None |
| OpBranchConditional %24 %25 %40 |
| %25 = OpLabel |
| %35 = OpAccessChain %34 %31 %32 %33 |
| %36 = OpLoad %27 %35 |
| %37 = OpConvertFToS %6 %36 |
| %38 = OpAccessChain %19 %12 %37 %18 |
| %39 = OpLoad %6 %38 |
| OpStore %17 %39 |
| OpBranch %26 |
| %40 = OpLabel |
| %42 = OpAccessChain %34 %31 %32 %41 |
| %43 = OpLoad %27 %42 |
| %44 = OpConvertFToS %6 %43 |
| %45 = OpAccessChain %19 %12 %44 %13 |
| %46 = OpLoad %6 %45 |
| OpStore %17 %46 |
| OpBranch %26 |
| %26 = OpLabel |
| %47 = OpAccessChain %19 %12 %13 %13 |
| %48 = OpLoad %6 %47 |
| %49 = OpIEqual %23 %48 %13 |
| OpSelectionMerge %51 None |
| OpBranchConditional %49 %50 %58 |
| %50 = OpLabel |
| OpStore %54 %57 |
| OpBranch %51 |
| %58 = OpLabel |
| OpStore %54 %59 |
| OpBranch %51 |
| %51 = OpLabel |
| OpReturn |
| OpFunctionEnd |
| END |
| |
| # uniforms for variant |
| |
| # injectionSwitch |
| BUFFER variant_injectionSwitch DATA_TYPE vec2<float> STD140 DATA |
| 0.0 1.0 |
| END |
| |
| 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 |
| BIND BUFFER variant_injectionSwitch 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 256 256 |
| |
| EXPECT variant_framebuffer IDX 0 0 SIZE 256 256 EQ_RGBA 255 0 0 255 |