228 lines
7.1 KiB
Plaintext
228 lines
7.1 KiB
Plaintext
#!amber
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# Copyright 2021 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 BRW 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_1_0 _GLF_uniform_float_values[0]
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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_float_values: 1.0
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# layout(set = 0, binding = 0) uniform buf0
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# {
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# float _GLF_uniform_float_values[1];
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# };
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#
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# // Contents of _GLF_uniform_int_values: [1, 0]
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# layout(set = 0, binding = 1) uniform buf1
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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 zero: 0.0
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# layout(set = 0, binding = 2) uniform buf2
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# {
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# float zero;
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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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# int a = ~(((zero < _float_1_0) ? _int_0 : _int_1) | 1);
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#
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# // Always true.
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# if(a == ~ _int_1)
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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: 73
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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" %54
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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 "a"
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OpName %10 "buf2"
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OpMemberName %10 0 "zero"
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OpName %12 ""
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OpName %20 "buf0"
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OpMemberName %20 0 "_GLF_uniform_float_values"
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OpName %22 ""
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OpName %32 "buf1"
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OpMemberName %32 0 "_GLF_uniform_int_values"
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OpName %34 ""
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OpName %54 "_GLF_color"
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OpMemberDecorate %10 0 Offset 0
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OpDecorate %10 Block
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OpDecorate %12 DescriptorSet 0
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OpDecorate %12 Binding 2
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OpDecorate %19 ArrayStride 16
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OpMemberDecorate %20 0 Offset 0
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OpDecorate %20 Block
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OpDecorate %22 DescriptorSet 0
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OpDecorate %22 Binding 0
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OpDecorate %31 ArrayStride 16
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OpMemberDecorate %32 0 Offset 0
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OpDecorate %32 Block
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OpDecorate %34 DescriptorSet 0
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OpDecorate %34 Binding 1
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OpDecorate %54 Location 0
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%2 = OpTypeVoid
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%3 = OpTypeFunction %2
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%6 = OpTypeInt 32 1
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%7 = OpTypePointer Function %6
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%9 = OpTypeFloat 32
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%10 = OpTypeStruct %9
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%11 = OpTypePointer Uniform %10
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%12 = OpVariable %11 Uniform
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%13 = OpConstant %6 0
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%14 = OpTypePointer Uniform %9
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%17 = OpTypeInt 32 0
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%18 = OpConstant %17 1
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%19 = OpTypeArray %9 %18
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%20 = OpTypeStruct %19
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%21 = OpTypePointer Uniform %20
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%22 = OpVariable %21 Uniform
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%25 = OpTypeBool
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%30 = OpConstant %17 2
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%31 = OpTypeArray %6 %30
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%32 = OpTypeStruct %31
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%33 = OpTypePointer Uniform %32
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%34 = OpVariable %33 Uniform
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%35 = OpConstant %6 1
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%36 = OpTypePointer Uniform %6
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%52 = OpTypeVector %9 4
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%53 = OpTypePointer Output %52
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%54 = OpVariable %53 Output
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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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%27 = OpVariable %7 Function
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%15 = OpAccessChain %14 %12 %13
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%16 = OpLoad %9 %15
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%23 = OpAccessChain %14 %22 %13 %13
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%24 = OpLoad %9 %23
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%26 = OpFOrdLessThan %25 %16 %24
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OpSelectionMerge %29 None
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OpBranchConditional %26 %28 %39
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%28 = OpLabel
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%37 = OpAccessChain %36 %34 %13 %35
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%38 = OpLoad %6 %37
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OpStore %27 %38
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OpBranch %29
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%39 = OpLabel
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%40 = OpAccessChain %36 %34 %13 %13
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%41 = OpLoad %6 %40
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OpStore %27 %41
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OpBranch %29
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%29 = OpLabel
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%42 = OpLoad %6 %27
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%43 = OpBitwiseOr %6 %42 %35
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%44 = OpNot %6 %43
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OpStore %8 %44
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%45 = OpLoad %6 %8
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%46 = OpAccessChain %36 %34 %13 %13
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%47 = OpLoad %6 %46
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%48 = OpNot %6 %47
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%49 = OpIEqual %25 %45 %48
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OpSelectionMerge %51 None
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OpBranchConditional %49 %50 %68
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%50 = OpLabel
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%55 = OpAccessChain %36 %34 %13 %13
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%56 = OpLoad %6 %55
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%57 = OpConvertSToF %9 %56
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%58 = OpAccessChain %36 %34 %13 %35
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%59 = OpLoad %6 %58
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%60 = OpConvertSToF %9 %59
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%61 = OpAccessChain %36 %34 %13 %35
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%62 = OpLoad %6 %61
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%63 = OpConvertSToF %9 %62
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%64 = OpAccessChain %36 %34 %13 %13
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%65 = OpLoad %6 %64
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%66 = OpConvertSToF %9 %65
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%67 = OpCompositeConstruct %52 %57 %60 %63 %66
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OpStore %54 %67
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OpBranch %51
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%68 = OpLabel
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%69 = OpAccessChain %36 %34 %13 %35
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%70 = OpLoad %6 %69
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%71 = OpConvertSToF %9 %70
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%72 = OpCompositeConstruct %52 %71 %71 %71 %71
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OpStore %54 %72
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OpBranch %51
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%51 = 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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# zero
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BUFFER variant_zero DATA_TYPE float STD140 DATA
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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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# _GLF_uniform_float_values
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BUFFER variant__GLF_uniform_float_values DATA_TYPE float[] 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_zero AS uniform DESCRIPTOR_SET 0 BINDING 2
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BIND BUFFER variant__GLF_uniform_int_values AS uniform DESCRIPTOR_SET 0 BINDING 1
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BIND BUFFER variant__GLF_uniform_float_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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