| #!amber |
| |
| # Copyright 2021 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 specific NIR code paths |
| |
| # The test passes because the shader always writes red. |
| |
| SHADER vertex variant_vertex_shader PASSTHROUGH |
| |
| # variant_fragment_shader is derived from the following GLSL: |
| # #version 320 es |
| # #define _int_0 _GLF_uniform_int_values[0] |
| # #define _int_1 _GLF_uniform_int_values[1] |
| # #define _uint_5 _GLF_uniform_uint_values[0] |
| # #define _float_0_0 _GLF_uniform_float_values[0] |
| # |
| # precision highp int; |
| # precision highp float; |
| # |
| # // Contents of _GLF_uniform_float_values: 0.0 |
| # layout(set = 0, binding = 0) uniform buf0 |
| # { |
| # float _GLF_uniform_float_values[1]; |
| # }; |
| # |
| # // Contents of _GLF_uniform_uint_values: 5 |
| # layout(set = 0, binding = 1) uniform buf1 |
| # { |
| # uint _GLF_uniform_uint_values[1]; |
| # }; |
| # |
| # // Contents of _GLF_uniform_int_values: [0, 1] |
| # layout(set = 0, binding = 2) uniform buf2 |
| # { |
| # int _GLF_uniform_int_values[2]; |
| # }; |
| # |
| # layout(location = 0) out vec4 _GLF_color; |
| # |
| # void main() |
| # { |
| # uint a = 0u; |
| # int b = _int_1; |
| # |
| # // Always false. |
| # if (gl_FragCoord.x < _float_0_0) |
| # { |
| # // Modulo of zero is undefined, but this is never executed. |
| # b = int(_uint_5 % a); |
| # } |
| # |
| # // Always true. |
| # if (b == _int_1) |
| # { |
| # _GLF_color = vec4(_int_1, _int_0, _int_0, _int_1); |
| # } |
| # else |
| # { |
| # _GLF_color = vec4(_int_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: 78 |
| ; Schema: 0 |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %4 "main" %26 %59 |
| OpExecutionMode %4 OriginUpperLeft |
| OpSource ESSL 320 |
| OpName %4 "main" |
| OpName %8 "a" |
| OpName %12 "b" |
| OpName %15 "buf2" |
| OpMemberName %15 0 "_GLF_uniform_int_values" |
| OpName %17 "" |
| OpName %26 "gl_FragCoord" |
| OpName %32 "buf0" |
| OpMemberName %32 0 "_GLF_uniform_float_values" |
| OpName %34 "" |
| OpName %43 "buf1" |
| OpMemberName %43 0 "_GLF_uniform_uint_values" |
| OpName %45 "" |
| OpName %59 "_GLF_color" |
| OpDecorate %14 ArrayStride 16 |
| OpMemberDecorate %15 0 Offset 0 |
| OpDecorate %15 Block |
| OpDecorate %17 DescriptorSet 0 |
| OpDecorate %17 Binding 2 |
| OpDecorate %26 BuiltIn FragCoord |
| OpDecorate %31 ArrayStride 16 |
| OpMemberDecorate %32 0 Offset 0 |
| OpDecorate %32 Block |
| OpDecorate %34 DescriptorSet 0 |
| OpDecorate %34 Binding 0 |
| OpDecorate %42 ArrayStride 16 |
| OpMemberDecorate %43 0 Offset 0 |
| OpDecorate %43 Block |
| OpDecorate %45 DescriptorSet 0 |
| OpDecorate %45 Binding 1 |
| OpDecorate %59 Location 0 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeInt 32 0 |
| %7 = OpTypePointer Function %6 |
| %9 = OpConstant %6 0 |
| %10 = OpTypeInt 32 1 |
| %11 = OpTypePointer Function %10 |
| %13 = OpConstant %6 2 |
| %14 = OpTypeArray %10 %13 |
| %15 = OpTypeStruct %14 |
| %16 = OpTypePointer Uniform %15 |
| %17 = OpVariable %16 Uniform |
| %18 = OpConstant %10 0 |
| %19 = OpConstant %10 1 |
| %20 = OpTypePointer Uniform %10 |
| %23 = OpTypeFloat 32 |
| %24 = OpTypeVector %23 4 |
| %25 = OpTypePointer Input %24 |
| %26 = OpVariable %25 Input |
| %27 = OpTypePointer Input %23 |
| %30 = OpConstant %6 1 |
| %31 = OpTypeArray %23 %30 |
| %32 = OpTypeStruct %31 |
| %33 = OpTypePointer Uniform %32 |
| %34 = OpVariable %33 Uniform |
| %35 = OpTypePointer Uniform %23 |
| %38 = OpTypeBool |
| %42 = OpTypeArray %6 %30 |
| %43 = OpTypeStruct %42 |
| %44 = OpTypePointer Uniform %43 |
| %45 = OpVariable %44 Uniform |
| %46 = OpTypePointer Uniform %6 |
| %58 = OpTypePointer Output %24 |
| %59 = OpVariable %58 Output |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| %8 = OpVariable %7 Function |
| %12 = OpVariable %11 Function |
| OpStore %8 %9 |
| %21 = OpAccessChain %20 %17 %18 %19 |
| %22 = OpLoad %10 %21 |
| OpStore %12 %22 |
| %28 = OpAccessChain %27 %26 %9 |
| %29 = OpLoad %23 %28 |
| %36 = OpAccessChain %35 %34 %18 %18 |
| %37 = OpLoad %23 %36 |
| %39 = OpFOrdLessThan %38 %29 %37 |
| OpSelectionMerge %41 None |
| OpBranchConditional %39 %40 %41 |
| %40 = OpLabel |
| %47 = OpAccessChain %46 %45 %18 %18 |
| %48 = OpLoad %6 %47 |
| %49 = OpLoad %6 %8 |
| %50 = OpUMod %6 %48 %49 |
| %51 = OpBitcast %10 %50 |
| OpStore %12 %51 |
| OpBranch %41 |
| %41 = OpLabel |
| %52 = OpLoad %10 %12 |
| %53 = OpAccessChain %20 %17 %18 %19 |
| %54 = OpLoad %10 %53 |
| %55 = OpIEqual %38 %52 %54 |
| OpSelectionMerge %57 None |
| OpBranchConditional %55 %56 %73 |
| %56 = OpLabel |
| %60 = OpAccessChain %20 %17 %18 %19 |
| %61 = OpLoad %10 %60 |
| %62 = OpConvertSToF %23 %61 |
| %63 = OpAccessChain %20 %17 %18 %18 |
| %64 = OpLoad %10 %63 |
| %65 = OpConvertSToF %23 %64 |
| %66 = OpAccessChain %20 %17 %18 %18 |
| %67 = OpLoad %10 %66 |
| %68 = OpConvertSToF %23 %67 |
| %69 = OpAccessChain %20 %17 %18 %19 |
| %70 = OpLoad %10 %69 |
| %71 = OpConvertSToF %23 %70 |
| %72 = OpCompositeConstruct %24 %62 %65 %68 %71 |
| OpStore %59 %72 |
| OpBranch %57 |
| %73 = OpLabel |
| %74 = OpAccessChain %20 %17 %18 %18 |
| %75 = OpLoad %10 %74 |
| %76 = OpConvertSToF %23 %75 |
| %77 = OpCompositeConstruct %24 %76 %76 %76 %76 |
| OpStore %59 %77 |
| OpBranch %57 |
| %57 = OpLabel |
| OpReturn |
| OpFunctionEnd |
| END |
| |
| # uniforms for variant |
| |
| # _GLF_uniform_int_values |
| BUFFER variant__GLF_uniform_int_values DATA_TYPE int32[] STD140 DATA |
| 0 1 |
| END |
| # _GLF_uniform_uint_values |
| BUFFER variant__GLF_uniform_uint_values DATA_TYPE int32[] STD140 DATA |
| 5 |
| END |
| # _GLF_uniform_float_values |
| BUFFER variant__GLF_uniform_float_values DATA_TYPE float[] STD140 DATA |
| 0.0 |
| 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__GLF_uniform_int_values AS uniform DESCRIPTOR_SET 0 BINDING 2 |
| BIND BUFFER variant__GLF_uniform_uint_values AS uniform DESCRIPTOR_SET 0 BINDING 1 |
| 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 256 256 |
| |
| EXPECT variant_framebuffer IDX 0 0 SIZE 256 256 EQ_RGBA 255 0 0 255 |