223 lines
7.1 KiB
Plaintext
223 lines
7.1 KiB
Plaintext
#!amber
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# Copyright 2022 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 specific LLVM code paths
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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 320 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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# #define _float_2_0 _GLF_uniform_float_values[0]
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# #define _float_5_0 _GLF_uniform_float_values[1]
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# #define _float_0_0 _GLF_uniform_float_values[2]
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#
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# precision highp float;
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# precision highp int;
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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 _GLF_uniform_float_values: [2.0, 5.0, 0.0]
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# layout(set = 0, binding = 1) uniform buf1
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# {
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# float _GLF_uniform_float_values[3];
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# };
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#
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# // Contents of three: 3
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# layout(set = 0, binding = 2) uniform buf2
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# {
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# int three;
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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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# // f = clamp(5.0, 0.0, min(bitcount(3), bitcount(3))) = clamp(5.0, 0.0, 2.0) = 2.0
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# float f = clamp(_float_5_0, _float_0_0, float(min(bitCount(three), bitCount(three))));
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#
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# // Always true.
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# if(f == _float_2_0)
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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; 10
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; Bound: 70
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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" %46
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OpExecutionMode %4 OriginUpperLeft
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OpSource ESSL 320
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OpName %4 "main"
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OpName %8 "f"
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OpName %12 "buf1"
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OpMemberName %12 0 "_GLF_uniform_float_values"
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OpName %14 ""
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OpName %24 "buf2"
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OpMemberName %24 0 "three"
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OpName %26 ""
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OpName %46 "_GLF_color"
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OpName %49 "buf0"
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OpMemberName %49 0 "_GLF_uniform_int_values"
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OpName %51 ""
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OpDecorate %11 ArrayStride 16
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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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OpMemberDecorate %24 0 Offset 0
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OpDecorate %24 Block
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OpDecorate %26 DescriptorSet 0
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OpDecorate %26 Binding 2
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OpDecorate %34 RelaxedPrecision
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OpDecorate %46 Location 0
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OpDecorate %48 ArrayStride 16
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OpMemberDecorate %49 0 Offset 0
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OpDecorate %49 Block
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OpDecorate %51 DescriptorSet 0
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OpDecorate %51 Binding 0
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%2 = OpTypeVoid
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%3 = OpTypeFunction %2
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%6 = OpTypeFloat 32
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%7 = OpTypePointer Function %6
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%9 = OpTypeInt 32 0
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%10 = OpConstant %9 3
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%11 = OpTypeArray %6 %10
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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 = OpConstant %15 1
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%18 = OpTypePointer Uniform %6
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%21 = OpConstant %15 2
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%24 = OpTypeStruct %15
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%25 = OpTypePointer Uniform %24
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%26 = OpVariable %25 Uniform
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%27 = OpTypePointer Uniform %15
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%40 = OpTypeBool
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%44 = OpTypeVector %6 4
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%45 = OpTypePointer Output %44
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%46 = OpVariable %45 Output
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%47 = OpConstant %9 2
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%48 = OpTypeArray %15 %47
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%49 = OpTypeStruct %48
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%50 = OpTypePointer Uniform %49
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%51 = OpVariable %50 Uniform
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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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%19 = OpAccessChain %18 %14 %16 %17
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%20 = OpLoad %6 %19
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%22 = OpAccessChain %18 %14 %16 %21
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%23 = OpLoad %6 %22
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%28 = OpAccessChain %27 %26 %16
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%29 = OpLoad %15 %28
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%30 = OpBitCount %15 %29
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%31 = OpAccessChain %27 %26 %16
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%32 = OpLoad %15 %31
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%33 = OpBitCount %15 %32
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%34 = OpExtInst %15 %1 SMin %30 %33
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%35 = OpConvertSToF %6 %34
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%36 = OpExtInst %6 %1 FClamp %20 %23 %35
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OpStore %8 %36
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%37 = OpLoad %6 %8
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%38 = OpAccessChain %18 %14 %16 %16
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%39 = OpLoad %6 %38
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%41 = OpFOrdEqual %40 %37 %39
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OpSelectionMerge %43 None
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OpBranchConditional %41 %42 %65
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%42 = OpLabel
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%52 = OpAccessChain %27 %51 %16 %16
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%53 = OpLoad %15 %52
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%54 = OpConvertSToF %6 %53
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%55 = OpAccessChain %27 %51 %16 %17
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%56 = OpLoad %15 %55
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%57 = OpConvertSToF %6 %56
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%58 = OpAccessChain %27 %51 %16 %17
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%59 = OpLoad %15 %58
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%60 = OpConvertSToF %6 %59
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%61 = OpAccessChain %27 %51 %16 %16
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%62 = OpLoad %15 %61
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%63 = OpConvertSToF %6 %62
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%64 = OpCompositeConstruct %44 %54 %57 %60 %63
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OpStore %46 %64
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OpBranch %43
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%65 = OpLabel
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%66 = OpAccessChain %27 %51 %16 %17
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%67 = OpLoad %15 %66
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%68 = OpConvertSToF %6 %67
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%69 = OpCompositeConstruct %44 %68 %68 %68 %68
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OpStore %46 %69
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OpBranch %43
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%43 = 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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# three
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BUFFER variant_three DATA_TYPE int32 STD140 DATA
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3
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END
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# _GLF_uniform_float_values
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BUFFER variant__GLF_uniform_float_values DATA_TYPE float[] STD140 DATA
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2.0 5.0 0.0
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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 32 32
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BIND BUFFER variant_framebuffer AS color LOCATION 0
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BIND BUFFER variant_three AS uniform DESCRIPTOR_SET 0 BINDING 2
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BIND BUFFER variant__GLF_uniform_float_values 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 32 32
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EXPECT variant_framebuffer IDX 0 0 SIZE 32 32 EQ_RGBA 255 0 0 255
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