243 lines
7.6 KiB
Plaintext
243 lines
7.6 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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DEVICE_EXTENSION VK_KHR_shader_terminate_invocation
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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 _float_0_0 _GLF_uniform_float_values[0]
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# #define _float_1_0 _GLF_uniform_float_values[1]
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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: [0.0, 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[2];
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# };
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#
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# // Contents of injectionSwitch: [0.0, 1.0]
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# layout(set = 0, binding = 1) uniform buf1
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# {
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# vec2 injectionSwitch;
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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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# for(int i = int(injectionSwitch.y); i != 0; i--)
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# {
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# // Always true.
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# if(gl_FragCoord.x > 0.0)
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# {
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# _GLF_color = vec4(_float_1_0, injectionSwitch.x, _float_0_0, _float_1_0);
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# }
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# else
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# {
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# for(int j = 1; j > 0; j--)
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# {
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# // Similar condition as above, but never executed.
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# if(gl_FragCoord.x > 0.0)
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# {
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# _GLF_color = vec4(1.0);
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# }
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# else
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# {
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# discard;
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# }
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# }
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# }
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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: 79
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; Schema: 0
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OpCapability Shader
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OpExtension "SPV_KHR_terminate_invocation"
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %4 "main" %31 %41
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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 "i"
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OpName %11 "buf1"
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OpMemberName %11 0 "injectionSwitch"
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OpName %13 ""
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OpName %31 "gl_FragCoord"
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OpName %41 "_GLF_color"
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OpName %44 "buf0"
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OpMemberName %44 0 "_GLF_uniform_float_values"
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OpName %46 ""
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OpName %58 "j"
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OpMemberDecorate %11 0 Offset 0
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OpDecorate %11 Block
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OpDecorate %13 DescriptorSet 0
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OpDecorate %13 Binding 1
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OpDecorate %31 BuiltIn FragCoord
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OpDecorate %41 Location 0
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OpDecorate %43 ArrayStride 16
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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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%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 = OpTypeVector %9 2
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%11 = OpTypeStruct %10
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%12 = OpTypePointer Uniform %11
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%13 = OpVariable %12 Uniform
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%14 = OpConstant %6 0
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%15 = OpTypeInt 32 0
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%16 = OpConstant %15 1
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%17 = OpTypePointer Uniform %9
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%27 = OpTypeBool
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%29 = OpTypeVector %9 4
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%30 = OpTypePointer Input %29
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%31 = OpVariable %30 Input
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%32 = OpConstant %15 0
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%33 = OpTypePointer Input %9
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%36 = OpConstant %9 0
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%40 = OpTypePointer Output %29
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%41 = OpVariable %40 Output
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%42 = OpConstant %15 2
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%43 = OpTypeArray %9 %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 = OpConstant %6 1
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%71 = OpConstant %9 1
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%72 = OpConstantComposite %29 %71 %71 %71 %71
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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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%58 = OpVariable %7 Function
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%18 = OpAccessChain %17 %13 %14 %16
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%19 = OpLoad %9 %18
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%20 = OpConvertFToS %6 %19
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OpStore %8 %20
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OpBranch %21
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%21 = OpLabel
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OpLoopMerge %23 %24 None
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OpBranch %25
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%25 = OpLabel
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%26 = OpLoad %6 %8
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%28 = OpINotEqual %27 %26 %14
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OpBranchConditional %28 %22 %23
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%22 = OpLabel
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%34 = OpAccessChain %33 %31 %32
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%35 = OpLoad %9 %34
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%37 = OpFOrdGreaterThan %27 %35 %36
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OpSelectionMerge %39 None
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OpBranchConditional %37 %38 %57
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%38 = OpLabel
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%48 = OpAccessChain %17 %46 %14 %47
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%49 = OpLoad %9 %48
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%50 = OpAccessChain %17 %13 %14 %32
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%51 = OpLoad %9 %50
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%52 = OpAccessChain %17 %46 %14 %14
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%53 = OpLoad %9 %52
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%54 = OpAccessChain %17 %46 %14 %47
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%55 = OpLoad %9 %54
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%56 = OpCompositeConstruct %29 %49 %51 %53 %55
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OpStore %41 %56
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OpBranch %39
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%57 = OpLabel
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OpStore %58 %47
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OpBranch %59
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%59 = OpLabel
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OpLoopMerge %61 %62 None
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OpBranch %63
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%63 = OpLabel
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%64 = OpLoad %6 %58
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%65 = OpSGreaterThan %27 %64 %14
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OpBranchConditional %65 %60 %61
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%60 = OpLabel
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%66 = OpAccessChain %33 %31 %32
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%67 = OpLoad %9 %66
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%68 = OpFOrdGreaterThan %27 %67 %36
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OpSelectionMerge %70 None
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OpBranchConditional %68 %69 %73
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%69 = OpLabel
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OpStore %41 %72
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OpBranch %70
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%73 = OpLabel
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OpTerminateInvocation
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%70 = OpLabel
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OpBranch %62
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%62 = OpLabel
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%75 = OpLoad %6 %58
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%76 = OpISub %6 %75 %47
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OpStore %58 %76
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OpBranch %59
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%61 = OpLabel
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OpBranch %39
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%39 = OpLabel
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OpBranch %24
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%24 = OpLabel
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%77 = OpLoad %6 %8
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%78 = OpISub %6 %77 %47
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OpStore %8 %78
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OpBranch %21
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%23 = 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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# injectionSwitch
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BUFFER variant_injectionSwitch 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_float_values
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BUFFER variant__GLF_uniform_float_values DATA_TYPE float[] STD140 DATA
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0.0 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_injectionSwitch 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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