215 lines
6.6 KiB
Plaintext
215 lines
6.6 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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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 _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_int_values: 1
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# layout(set = 0, binding = 0) uniform buf0
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# {
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# int _GLF_uniform_int_values[1];
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# };
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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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#
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# const int _GLF_global_loop_bound = 10;
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# int _GLF_global_loop_count = 0;
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#
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# layout(location = 0) out vec4 _GLF_color;
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#
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# void func(float ref)
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# {
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# // Iterates once.
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# for(int i = 1; i > 0 && _GLF_global_loop_count < _GLF_global_loop_bound; i--)
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# {
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# _GLF_global_loop_count++;
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# }
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# }
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# void main()
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# {
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# // The argument is not used by the function.
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# func(_float_1_0);
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#
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# // Always true.
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# if(_GLF_global_loop_count == _int_1)
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# {
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# _GLF_color = vec4(1, 0, 0, 1);
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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: 63
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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" %59
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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 %10 "func(f1;"
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OpName %9 "ref"
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OpName %14 "_GLF_global_loop_count"
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OpName %17 "i"
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OpName %38 "buf1"
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OpMemberName %38 0 "_GLF_uniform_float_values"
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OpName %40 ""
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OpName %41 "param"
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OpName %48 "buf0"
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OpMemberName %48 0 "_GLF_uniform_int_values"
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OpName %50 ""
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OpName %59 "_GLF_color"
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OpDecorate %37 ArrayStride 16
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OpMemberDecorate %38 0 Offset 0
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OpDecorate %38 Block
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OpDecorate %40 DescriptorSet 0
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OpDecorate %40 Binding 1
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OpDecorate %47 ArrayStride 16
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OpMemberDecorate %48 0 Offset 0
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OpDecorate %48 Block
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OpDecorate %50 DescriptorSet 0
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OpDecorate %50 Binding 0
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OpDecorate %59 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 = OpTypePointer Function %6
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%8 = OpTypeFunction %2 %7
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%12 = OpTypeInt 32 1
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%13 = OpTypePointer Private %12
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%14 = OpVariable %13 Private
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%15 = OpConstant %12 0
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%16 = OpTypePointer Function %12
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%18 = OpConstant %12 1
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%25 = OpTypeBool
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%28 = OpConstant %12 10
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%35 = OpTypeInt 32 0
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%36 = OpConstant %35 1
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%37 = OpTypeArray %6 %36
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%38 = OpTypeStruct %37
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%39 = OpTypePointer Uniform %38
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%40 = OpVariable %39 Uniform
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%42 = OpTypePointer Uniform %6
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%47 = OpTypeArray %12 %36
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%48 = OpTypeStruct %47
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%49 = OpTypePointer Uniform %48
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%50 = OpVariable %49 Uniform
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%51 = OpTypePointer Uniform %12
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%57 = OpTypeVector %6 4
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%58 = OpTypePointer Output %57
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%59 = OpVariable %58 Output
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%60 = OpConstant %6 1
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%61 = OpConstant %6 0
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%62 = OpConstantComposite %57 %60 %61 %61 %60
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%41 = OpVariable %7 Function
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OpStore %14 %15
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%43 = OpAccessChain %42 %40 %15 %15
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%44 = OpLoad %6 %43
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OpStore %41 %44
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%45 = OpFunctionCall %2 %10 %41
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%46 = OpLoad %12 %14
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%52 = OpAccessChain %51 %50 %15 %15
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%53 = OpLoad %12 %52
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%54 = OpIEqual %25 %46 %53
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OpSelectionMerge %56 None
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OpBranchConditional %54 %55 %56
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%55 = OpLabel
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OpStore %59 %62
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OpBranch %56
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%56 = OpLabel
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OpReturn
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OpFunctionEnd
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%10 = OpFunction %2 None %8
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%9 = OpFunctionParameter %7
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%11 = OpLabel
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%17 = OpVariable %16 Function
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OpStore %17 %18
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OpBranch %19
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%19 = OpLabel
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OpLoopMerge %21 %22 None
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OpBranch %23
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%23 = OpLabel
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%24 = OpLoad %12 %17
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%26 = OpSGreaterThan %25 %24 %15
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%27 = OpLoad %12 %14
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%29 = OpSLessThan %25 %27 %28
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%30 = OpLogicalAnd %25 %26 %29
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OpBranchConditional %30 %20 %21
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%20 = OpLabel
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%31 = OpLoad %12 %14
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%32 = OpIAdd %12 %31 %18
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OpStore %14 %32
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OpBranch %22
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%22 = OpLabel
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%33 = OpLoad %12 %17
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%34 = OpISub %12 %33 %18
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OpStore %17 %34
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OpBranch %19
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%21 = 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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# _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
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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__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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