264 lines
8.1 KiB
Plaintext
264 lines
8.1 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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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 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_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_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: [0.0, 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[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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# 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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# bool func(vec2 pos)
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# {
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# // Always false.
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# if(pos.x < _float_0_0)
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# {
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# return true;
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# }
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#
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# // Always true.
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# if(pos.y > _float_0_0)
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# {
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# return false;
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# }
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#
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# if(zero > _float_1_0)
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# {
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# return true;
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# }
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#
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# return true;
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# }
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#
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# void main()
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# {
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# // Always false.
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# if (func(gl_FragCoord.xy))
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# {
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# discard;
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# }
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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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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: 88
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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" %60 %69
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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 %12 "func(vf2;"
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OpName %11 "pos"
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OpName %21 "buf1"
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OpMemberName %21 0 "_GLF_uniform_float_values"
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OpName %23 ""
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OpName %44 "buf2"
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OpMemberName %44 0 "zero"
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OpName %46 ""
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OpName %60 "gl_FragCoord"
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OpName %61 "param"
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OpName %69 "_GLF_color"
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OpName %71 "buf0"
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OpMemberName %71 0 "_GLF_uniform_int_values"
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OpName %73 ""
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OpDecorate %20 ArrayStride 16
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OpMemberDecorate %21 0 Offset 0
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OpDecorate %21 Block
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OpDecorate %23 DescriptorSet 0
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OpDecorate %23 Binding 1
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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 2
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OpDecorate %60 BuiltIn FragCoord
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OpDecorate %69 Location 0
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OpDecorate %70 ArrayStride 16
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OpMemberDecorate %71 0 Offset 0
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OpDecorate %71 Block
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OpDecorate %73 DescriptorSet 0
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OpDecorate %73 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 = OpTypeVector %6 2
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%8 = OpTypePointer Function %7
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%9 = OpTypeBool
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%10 = OpTypeFunction %9 %8
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%14 = OpTypeInt 32 0
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%15 = OpConstant %14 0
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%16 = OpTypePointer Function %6
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%19 = OpConstant %14 2
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%20 = OpTypeArray %6 %19
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%21 = OpTypeStruct %20
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%22 = OpTypePointer Uniform %21
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%23 = OpVariable %22 Uniform
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%24 = OpTypeInt 32 1
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%25 = OpConstant %24 0
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%26 = OpTypePointer Uniform %6
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%32 = OpConstantTrue %9
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%34 = OpConstant %14 1
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%42 = OpConstantFalse %9
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%44 = OpTypeStruct %6
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%45 = OpTypePointer Uniform %44
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%46 = OpVariable %45 Uniform
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%49 = OpConstant %24 1
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%58 = OpTypeVector %6 4
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%59 = OpTypePointer Input %58
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%60 = OpVariable %59 Input
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%68 = OpTypePointer Output %58
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%69 = OpVariable %68 Output
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%70 = OpTypeArray %24 %19
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%71 = OpTypeStruct %70
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%72 = OpTypePointer Uniform %71
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%73 = OpVariable %72 Uniform
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%74 = OpTypePointer Uniform %24
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%61 = OpVariable %8 Function
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%62 = OpLoad %58 %60
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%63 = OpVectorShuffle %7 %62 %62 0 1
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OpStore %61 %63
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%64 = OpFunctionCall %9 %12 %61
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OpSelectionMerge %66 None
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OpBranchConditional %64 %65 %66
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%65 = OpLabel
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OpTerminateInvocation
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%66 = OpLabel
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%75 = OpAccessChain %74 %73 %25 %25
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%76 = OpLoad %24 %75
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%77 = OpConvertSToF %6 %76
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%78 = OpAccessChain %74 %73 %25 %49
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%79 = OpLoad %24 %78
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%80 = OpConvertSToF %6 %79
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%81 = OpAccessChain %74 %73 %25 %49
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%82 = OpLoad %24 %81
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%83 = OpConvertSToF %6 %82
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%84 = OpAccessChain %74 %73 %25 %25
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%85 = OpLoad %24 %84
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%86 = OpConvertSToF %6 %85
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%87 = OpCompositeConstruct %58 %77 %80 %83 %86
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OpStore %69 %87
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OpReturn
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OpFunctionEnd
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%12 = OpFunction %9 None %10
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%11 = OpFunctionParameter %8
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%13 = OpLabel
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%17 = OpAccessChain %16 %11 %15
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%18 = OpLoad %6 %17
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%27 = OpAccessChain %26 %23 %25 %25
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%28 = OpLoad %6 %27
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%29 = OpFOrdLessThan %9 %18 %28
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OpSelectionMerge %31 None
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OpBranchConditional %29 %30 %31
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%30 = OpLabel
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OpReturnValue %32
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%31 = OpLabel
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%35 = OpAccessChain %16 %11 %34
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%36 = OpLoad %6 %35
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%37 = OpAccessChain %26 %23 %25 %25
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%38 = OpLoad %6 %37
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%39 = OpFOrdGreaterThan %9 %36 %38
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OpSelectionMerge %41 None
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OpBranchConditional %39 %40 %41
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%40 = OpLabel
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OpReturnValue %42
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%41 = OpLabel
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%47 = OpAccessChain %26 %46 %25
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%48 = OpLoad %6 %47
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%50 = OpAccessChain %26 %23 %25 %49
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%51 = OpLoad %6 %50
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%52 = OpFOrdGreaterThan %9 %48 %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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OpReturnValue %32
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%54 = OpLabel
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OpReturnValue %32
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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_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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# _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_zero 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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