309 lines
9.5 KiB
Plaintext
309 lines
9.5 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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# Optimized using spirv-opt with the following arguments:
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# '-O'
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# spirv-opt commit hash: a0370efd589be33d5d9a85cfde2f85841b3755af
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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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#
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# #define _int_8 _GLF_uniform_int_values[0]
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# #define _int_2 _GLF_uniform_int_values[1]
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# #define _int_0 _GLF_uniform_int_values[2]
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# #define _int_1 _GLF_uniform_int_values[3]
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# #define _int_3 _GLF_uniform_int_values[4]
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# #define _float_0_0 _GLF_uniform_float_values[0]
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# #define _float_2_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: [8, 2, 0, 1, 3]
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# layout(set = 0, binding = 0) uniform buf0
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# {
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# int _GLF_uniform_int_values[5];
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# };
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#
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# // Contents of _GLF_uniform_float_values: [0.0, 2.0]
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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 injectionSwitch: [0.0, 1.0]
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# layout(set = 0, binding = 2) uniform buf2
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# {
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# highp 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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# // Returns true if v.y >= 2.0.
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# bool func0(vec4 v)
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# {
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# // Always false.
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# while(injectionSwitch.x < _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(v.y < _float_2_0)
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# {
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# return false;
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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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# // Returns 2.
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# int func1()
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# {
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# int a = _int_0;
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#
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# // Iterates seven times.
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# for(int i = _int_1; i < _int_8; i++)
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# {
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# if(func0(vec4[8](vec4(_int_1), vec4(_int_1), vec4(_int_3), vec4(_int_1), vec4(_int_1), vec4(_int_1), vec4(_int_1), vec4(_int_1))[i]))
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# {
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# a = i;
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# }
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# }
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#
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# return a;
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# }
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#
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# void main()
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# {
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# // Always true.
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# if(func1() == _int_2)
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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: 275
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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" %139
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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 %24 "buf2"
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OpMemberName %24 0 "injectionSwitch"
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OpName %26 ""
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OpName %35 "buf1"
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OpMemberName %35 0 "_GLF_uniform_float_values"
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OpName %37 ""
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OpName %61 "buf0"
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OpMemberName %61 0 "_GLF_uniform_int_values"
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OpName %63 ""
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OpName %139 "_GLF_color"
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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 ArrayStride 16
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OpMemberDecorate %35 0 Offset 0
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OpDecorate %35 Block
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OpDecorate %37 DescriptorSet 0
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OpDecorate %37 Binding 1
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OpDecorate %60 ArrayStride 16
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OpMemberDecorate %61 0 Offset 0
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OpDecorate %61 Block
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OpDecorate %63 DescriptorSet 0
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OpDecorate %63 Binding 0
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OpDecorate %139 Location 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 4
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%8 = OpTypePointer Function %7
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%9 = OpTypeBool
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%14 = OpTypeInt 32 1
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%23 = OpTypeVector %6 2
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%24 = OpTypeStruct %23
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%25 = OpTypePointer Uniform %24
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%26 = OpVariable %25 Uniform
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%27 = OpConstant %14 0
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%28 = OpTypeInt 32 0
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%29 = OpConstant %28 0
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%30 = OpTypePointer Uniform %6
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%33 = OpConstant %28 2
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%34 = OpTypeArray %6 %33
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%35 = OpTypeStruct %34
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%36 = OpTypePointer Uniform %35
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%37 = OpVariable %36 Uniform
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%41 = OpConstantFalse %9
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%47 = OpConstant %14 1
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%54 = OpConstantTrue %9
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%59 = OpConstant %28 5
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%60 = OpTypeArray %14 %59
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%61 = OpTypeStruct %60
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%62 = OpTypePointer Uniform %61
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%63 = OpVariable %62 Uniform
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%64 = OpConstant %14 2
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%65 = OpTypePointer Uniform %14
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%69 = OpConstant %14 3
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%89 = OpConstant %14 4
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%114 = OpConstant %28 8
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%115 = OpTypeArray %7 %114
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%119 = OpTypePointer Function %115
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%138 = OpTypePointer Output %7
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%139 = OpVariable %138 Output
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%263 = OpUndef %9
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%169 = OpVariable %119 Function
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%172 = OpAccessChain %65 %63 %27 %64
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%173 = OpLoad %14 %172
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%174 = OpAccessChain %65 %63 %27 %69
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%175 = OpLoad %14 %174
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OpBranch %176
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%176 = OpLabel
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%262 = OpPhi %9 %263 %5 %259 %223
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%256 = OpPhi %14 %173 %5 %274 %223
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%255 = OpPhi %14 %175 %5 %225 %223
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%179 = OpAccessChain %65 %63 %27 %27
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%180 = OpLoad %14 %179
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%181 = OpSLessThan %9 %255 %180
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OpLoopMerge %226 %223 None
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OpBranchConditional %181 %182 %226
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%182 = OpLabel
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%185 = OpConvertSToF %6 %175
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%186 = OpCompositeConstruct %7 %185 %185 %185 %185
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%191 = OpAccessChain %65 %63 %27 %89
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%192 = OpLoad %14 %191
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%193 = OpConvertSToF %6 %192
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%194 = OpCompositeConstruct %7 %193 %193 %193 %193
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%215 = OpCompositeConstruct %115 %186 %186 %194 %186 %186 %186 %186 %186
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OpStore %169 %215
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%217 = OpAccessChain %8 %169 %255
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%218 = OpLoad %7 %217
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OpSelectionMerge %252 None
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OpSwitch %29 %232
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%232 = OpLabel
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OpBranch %233
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%233 = OpLabel
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%235 = OpAccessChain %30 %26 %27 %29
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%236 = OpLoad %6 %235
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%237 = OpAccessChain %30 %37 %27 %27
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%238 = OpLoad %6 %237
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%239 = OpFOrdLessThan %9 %236 %238
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OpLoopMerge %242 %241 None
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OpBranchConditional %239 %240 %242
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%240 = OpLabel
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OpBranch %242
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%241 = OpLabel
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OpBranch %233
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%242 = OpLabel
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%260 = OpPhi %9 %262 %233 %41 %240
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%257 = OpPhi %9 %41 %233 %54 %240
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OpSelectionMerge %244 None
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OpBranchConditional %257 %252 %244
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%244 = OpLabel
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%246 = OpCompositeExtract %6 %218 1
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%247 = OpAccessChain %30 %37 %27 %47
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%248 = OpLoad %6 %247
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%249 = OpFOrdLessThan %9 %246 %248
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OpSelectionMerge %251 None
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OpBranchConditional %249 %250 %251
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%250 = OpLabel
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OpBranch %252
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%251 = OpLabel
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OpBranch %252
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%252 = OpLabel
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%259 = OpPhi %9 %260 %242 %41 %250 %54 %251
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%274 = OpSelect %14 %259 %255 %256
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OpBranch %223
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%223 = OpLabel
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%225 = OpIAdd %14 %255 %47
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OpBranch %176
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%226 = OpLabel
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%133 = OpAccessChain %65 %63 %27 %47
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%134 = OpLoad %14 %133
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%135 = OpIEqual %9 %256 %134
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OpSelectionMerge %137 None
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OpBranchConditional %135 %136 %153
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%153 = OpLabel
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%156 = OpConvertSToF %6 %173
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%157 = OpCompositeConstruct %7 %156 %156 %156 %156
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OpStore %139 %157
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OpBranch %137
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%136 = OpLabel
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%142 = OpConvertSToF %6 %175
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%145 = OpConvertSToF %6 %173
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%152 = OpCompositeConstruct %7 %142 %145 %145 %142
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OpStore %139 %152
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OpBranch %137
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%137 = 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 2.0
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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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8 2 0 1 3
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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_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 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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