242 lines
7.7 KiB
Plaintext
242 lines
7.7 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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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 NIR 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 _int_4 _GLF_uniform_int_values[2]
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# #define _float_1_0 _GLF_uniform_float_values[0]
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#
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# precision highp int;
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# precision highp float;
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#
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# // Contents of _GLF_uniform_int_values: [1, 0, 4]
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# layout(set = 0, binding = 0) uniform buf0
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# {
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# int _GLF_uniform_int_values[3];
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# };
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# // Contents of _GLF_uniform_float_values: 1.0
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# layout(set = 0, binding = 1) uniform buf1
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# {
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# float _GLF_uniform_float_values[1];
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# };
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# // Contents of injectionSwitch: [0.0, 1.0]
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# layout(set = 0, binding = 2) uniform buf2
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# {
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# vec2 injectionSwitch;
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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 = 1;
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# // The color value cannot be changed later without losing
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# // the coverage point we are after.
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# _GLF_color = vec4(_int_1, _int_0, _int_0, _int_1);
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#
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# for(int i = _int_0; i < _int_4; i++)
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# {
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# if(a++ > 3)
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# {
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# break;
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# }
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#
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# // Always false.
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# if(injectionSwitch.x > _float_1_0)
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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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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: 77
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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" %13
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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 %13 "_GLF_color"
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OpName %17 "buf0"
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OpMemberName %17 0 "_GLF_uniform_int_values"
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OpName %19 ""
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OpName %35 "i"
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OpName %57 "buf2"
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OpMemberName %57 0 "injectionSwitch"
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OpName %59 ""
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OpName %66 "buf1"
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OpMemberName %66 0 "_GLF_uniform_float_values"
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OpName %68 ""
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OpDecorate %13 Location 0
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OpDecorate %16 ArrayStride 16
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OpMemberDecorate %17 0 Offset 0
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OpDecorate %17 Block
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OpDecorate %19 DescriptorSet 0
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OpDecorate %19 Binding 0
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OpMemberDecorate %57 0 Offset 0
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OpDecorate %57 Block
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OpDecorate %59 DescriptorSet 0
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OpDecorate %59 Binding 2
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OpDecorate %65 ArrayStride 16
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OpMemberDecorate %66 0 Offset 0
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OpDecorate %66 Block
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OpDecorate %68 DescriptorSet 0
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OpDecorate %68 Binding 1
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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 = OpConstant %6 1
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%10 = OpTypeFloat 32
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%11 = OpTypeVector %10 4
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%12 = OpTypePointer Output %11
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%13 = OpVariable %12 Output
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%14 = OpTypeInt 32 0
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%15 = OpConstant %14 3
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%16 = OpTypeArray %6 %15
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%17 = OpTypeStruct %16
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%18 = OpTypePointer Uniform %17
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%19 = OpVariable %18 Uniform
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%20 = OpConstant %6 0
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%21 = OpTypePointer Uniform %6
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%44 = OpConstant %6 2
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%47 = OpTypeBool
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%51 = OpConstant %6 3
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%56 = OpTypeVector %10 2
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%57 = OpTypeStruct %56
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%58 = OpTypePointer Uniform %57
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%59 = OpVariable %58 Uniform
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%60 = OpConstant %14 0
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%61 = OpTypePointer Uniform %10
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%64 = OpConstant %14 1
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%65 = OpTypeArray %10 %64
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%66 = OpTypeStruct %65
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%67 = OpTypePointer Uniform %66
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%68 = OpVariable %67 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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%35 = OpVariable %7 Function
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OpStore %8 %9
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%22 = OpAccessChain %21 %19 %20 %20
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%23 = OpLoad %6 %22
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%24 = OpConvertSToF %10 %23
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%25 = OpAccessChain %21 %19 %20 %9
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%26 = OpLoad %6 %25
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%27 = OpConvertSToF %10 %26
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%28 = OpAccessChain %21 %19 %20 %9
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%29 = OpLoad %6 %28
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%30 = OpConvertSToF %10 %29
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%31 = OpAccessChain %21 %19 %20 %20
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%32 = OpLoad %6 %31
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%33 = OpConvertSToF %10 %32
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%34 = OpCompositeConstruct %11 %24 %27 %30 %33
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OpStore %13 %34
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%36 = OpAccessChain %21 %19 %20 %9
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%37 = OpLoad %6 %36
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OpStore %35 %37
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OpBranch %38
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%38 = OpLabel
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OpLoopMerge %40 %41 None
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OpBranch %42
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%42 = OpLabel
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%43 = OpLoad %6 %35
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%45 = OpAccessChain %21 %19 %20 %44
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%46 = OpLoad %6 %45
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%48 = OpSLessThan %47 %43 %46
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OpBranchConditional %48 %39 %40
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%39 = OpLabel
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%49 = OpLoad %6 %8
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%50 = OpIAdd %6 %49 %9
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OpStore %8 %50
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%52 = OpSGreaterThan %47 %49 %51
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OpSelectionMerge %54 None
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OpBranchConditional %52 %53 %54
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%53 = OpLabel
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OpBranch %40
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%54 = OpLabel
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%62 = OpAccessChain %61 %59 %20 %60
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%63 = OpLoad %10 %62
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%69 = OpAccessChain %61 %68 %20 %20
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%70 = OpLoad %10 %69
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%71 = OpFOrdGreaterThan %47 %63 %70
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OpSelectionMerge %73 None
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OpBranchConditional %71 %72 %73
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%72 = OpLabel
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OpTerminateInvocation
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%73 = OpLabel
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OpBranch %41
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%41 = OpLabel
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%75 = OpLoad %6 %35
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%76 = OpIAdd %6 %75 %9
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OpStore %35 %76
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OpBranch %38
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%40 = 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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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 4
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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 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 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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