216 lines
6.6 KiB
Plaintext
216 lines
6.6 KiB
Plaintext
#!amber
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# Copyright 2020 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# A test for a coverage-gap found by the GraphicsFuzz project.
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# Short description: A fragment shader that covers a specific bitwise operator cobmining code path
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# The test passes because the shader always writes red.
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SHADER vertex variant_vertex_shader PASSTHROUGH
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# variant_fragment_shader is derived from the following GLSL:
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# #version 310 es
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# #define _int_1 _GLF_uniform_int_values[0]
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# #define _int_0 _GLF_uniform_int_values[1]
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#
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# precision highp float;
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#
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# // Contents of _GLF_uniform_int_values: [1, 0]
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# layout(set = 0, binding = 0) uniform buf0
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# {
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# int _GLF_uniform_int_values[2];
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# };
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#
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# // Contents of v1: [0.0, 1.0]
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# layout(set = 0, binding = 1) uniform buf1
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# {
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# vec2 v1;
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# };
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#
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# layout(location = 0) out vec4 _GLF_color;
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#
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# void main()
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# {
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# bool b = true;
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#
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# // Always true.
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# if (v1.x > v1.y)
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# {
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# // Always false.
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# if (v1.x < v1.y)
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# {
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# b = false;
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# }
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# }
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# if (b)
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# {
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# _GLF_color = vec4(_int_1, _int_0, _int_0, _int_1);
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# }
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# else
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# {
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# _GLF_color = vec4(_int_0);
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# }
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# }
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SHADER fragment variant_fragment_shader SPIRV-ASM TARGET_ENV spv1.0
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; SPIR-V
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; Version: 1.0
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; Generator: Khronos Glslang Reference Front End; 8
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; Bound: 67
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; Schema: 0
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OpCapability Shader
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %4 "main" %41
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OpExecutionMode %4 OriginUpperLeft
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OpSource ESSL 310
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OpName %4 "main"
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OpName %8 "b"
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OpName %12 "buf1"
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OpMemberName %12 0 "v1"
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OpName %14 ""
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OpName %41 "_GLF_color"
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OpName %44 "buf0"
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OpMemberName %44 0 "_GLF_uniform_int_values"
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OpName %46 ""
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OpMemberDecorate %12 0 Offset 0
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OpDecorate %12 Block
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OpDecorate %14 DescriptorSet 0
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OpDecorate %14 Binding 1
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OpDecorate %41 Location 0
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OpDecorate %43 ArrayStride 16
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OpMemberDecorate %44 0 RelaxedPrecision
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OpMemberDecorate %44 0 Offset 0
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OpDecorate %44 Block
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OpDecorate %46 DescriptorSet 0
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OpDecorate %46 Binding 0
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OpDecorate %49 RelaxedPrecision
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OpDecorate %53 RelaxedPrecision
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OpDecorate %56 RelaxedPrecision
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OpDecorate %59 RelaxedPrecision
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OpDecorate %64 RelaxedPrecision
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%2 = OpTypeVoid
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%3 = OpTypeFunction %2
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%6 = OpTypeBool
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%7 = OpTypePointer Function %6
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%9 = OpConstantTrue %6
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%10 = OpTypeFloat 32
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%11 = OpTypeVector %10 2
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%12 = OpTypeStruct %11
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%13 = OpTypePointer Uniform %12
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%14 = OpVariable %13 Uniform
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%15 = OpTypeInt 32 1
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%16 = OpConstant %15 0
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%17 = OpTypeInt 32 0
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%18 = OpConstant %17 0
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%19 = OpTypePointer Uniform %10
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%22 = OpConstant %17 1
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%35 = OpConstantFalse %6
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%39 = OpTypeVector %10 4
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%40 = OpTypePointer Output %39
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%41 = OpVariable %40 Output
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%42 = OpConstant %17 2
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%43 = OpTypeArray %15 %42
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%44 = OpTypeStruct %43
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%45 = OpTypePointer Uniform %44
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%46 = OpVariable %45 Uniform
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%47 = OpTypePointer Uniform %15
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%51 = OpConstant %15 1
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%8 = OpVariable %7 Function
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OpStore %8 %9
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%20 = OpAccessChain %19 %14 %16 %18
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%21 = OpLoad %10 %20
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%23 = OpAccessChain %19 %14 %16 %22
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%24 = OpLoad %10 %23
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%25 = OpFOrdGreaterThan %6 %21 %24
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OpSelectionMerge %27 None
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OpBranchConditional %25 %26 %27
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%26 = OpLabel
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%28 = OpAccessChain %19 %14 %16 %18
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%29 = OpLoad %10 %28
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%30 = OpAccessChain %19 %14 %16 %22
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%31 = OpLoad %10 %30
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%32 = OpFOrdLessThan %6 %29 %31
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OpSelectionMerge %34 None
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OpBranchConditional %32 %33 %34
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%33 = OpLabel
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OpStore %8 %35
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OpBranch %34
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%34 = OpLabel
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OpBranch %27
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%27 = OpLabel
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%36 = OpLoad %6 %8
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OpSelectionMerge %38 None
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OpBranchConditional %36 %37 %62
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%37 = OpLabel
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%48 = OpAccessChain %47 %46 %16 %16
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%49 = OpLoad %15 %48
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%50 = OpConvertSToF %10 %49
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%52 = OpAccessChain %47 %46 %16 %51
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%53 = OpLoad %15 %52
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%54 = OpConvertSToF %10 %53
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%55 = OpAccessChain %47 %46 %16 %51
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%56 = OpLoad %15 %55
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%57 = OpConvertSToF %10 %56
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%58 = OpAccessChain %47 %46 %16 %16
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%59 = OpLoad %15 %58
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%60 = OpConvertSToF %10 %59
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%61 = OpCompositeConstruct %39 %50 %54 %57 %60
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OpStore %41 %61
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OpBranch %38
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%62 = OpLabel
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%63 = OpAccessChain %47 %46 %16 %51
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%64 = OpLoad %15 %63
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%65 = OpConvertSToF %10 %64
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%66 = OpCompositeConstruct %39 %65 %65 %65 %65
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OpStore %41 %66
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OpBranch %38
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%38 = OpLabel
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OpReturn
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OpFunctionEnd
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END
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# uniforms for variant
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# v1
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BUFFER variant_v1 DATA_TYPE vec2<float> STD140 DATA
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0.0 1.0
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END
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# _GLF_uniform_int_values
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BUFFER variant__GLF_uniform_int_values DATA_TYPE int32[] STD140 DATA
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1 0
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END
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BUFFER variant_framebuffer FORMAT B8G8R8A8_UNORM
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PIPELINE graphics variant_pipeline
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ATTACH variant_vertex_shader
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ATTACH variant_fragment_shader
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FRAMEBUFFER_SIZE 256 256
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BIND BUFFER variant_framebuffer AS color LOCATION 0
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BIND BUFFER variant_v1 AS uniform DESCRIPTOR_SET 0 BINDING 1
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BIND BUFFER variant__GLF_uniform_int_values AS uniform DESCRIPTOR_SET 0 BINDING 0
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END
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CLEAR_COLOR variant_pipeline 0 0 0 255
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CLEAR variant_pipeline
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RUN variant_pipeline DRAW_RECT POS 0 0 SIZE 256 256
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EXPECT variant_framebuffer IDX 0 0 SIZE 256 256 EQ_RGBA 255 0 0 255
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