181 lines
6.0 KiB
Plaintext
181 lines
6.0 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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# 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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#
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# #define _int_1 _GLF_uniform_int_values[0]
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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 int;
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# precision highp float;
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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: [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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# 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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# vec4 v;
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# // _GLF_color becomes (1, 1, 1, 1). Vector v is uninitialized, but none of it's values are selected.
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# _GLF_color = mix(vec4(1.0, v[_int_1], 1.0, 1.0), vec4(1), bvec4(true, true, gl_FragCoord.y > _float_0_0, true));
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# // Adjust the color to (1, 0, 0, 1).
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# _GLF_color.yz -= _float_1_0;
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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: 58
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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" %9 %32
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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 %9 "_GLF_color"
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OpName %12 "v"
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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 %32 "gl_FragCoord"
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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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OpDecorate %9 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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OpDecorate %32 BuiltIn FragCoord
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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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%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 Output %7
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%9 = OpVariable %8 Output
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%10 = OpConstant %6 1
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%11 = OpTypePointer Function %7
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%13 = OpTypeInt 32 1
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%14 = OpTypeInt 32 0
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%15 = OpConstant %14 1
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%16 = OpTypeArray %13 %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 %13 0
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%21 = OpTypePointer Uniform %13
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%24 = OpTypePointer Function %6
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%28 = OpConstantComposite %7 %10 %10 %10 %10
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%29 = OpTypeBool
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%30 = OpConstantTrue %29
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%31 = OpTypePointer Input %7
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%32 = OpVariable %31 Input
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%33 = OpTypePointer Input %6
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%36 = OpConstant %14 2
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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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%41 = OpTypePointer Uniform %6
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%45 = OpTypeVector %29 4
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%48 = OpConstant %13 1
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%51 = OpTypeVector %6 2
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%12 = OpVariable %11 Function
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%22 = OpAccessChain %21 %19 %20 %20
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%23 = OpLoad %13 %22
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%25 = OpAccessChain %24 %12 %23
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%26 = OpLoad %6 %25
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%27 = OpCompositeConstruct %7 %10 %26 %10 %10
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%34 = OpAccessChain %33 %32 %15
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%35 = OpLoad %6 %34
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%42 = OpAccessChain %41 %40 %20 %20
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%43 = OpLoad %6 %42
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%44 = OpFOrdGreaterThan %29 %35 %43
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%46 = OpCompositeConstruct %45 %30 %30 %44 %30
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%47 = OpSelect %7 %46 %28 %27
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OpStore %9 %47
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%49 = OpAccessChain %41 %40 %20 %48
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%50 = OpLoad %6 %49
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%52 = OpLoad %7 %9
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%53 = OpVectorShuffle %51 %52 %52 1 2
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%54 = OpCompositeConstruct %51 %50 %50
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%55 = OpFSub %51 %53 %54
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%56 = OpLoad %7 %9
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%57 = OpVectorShuffle %7 %56 %55 0 4 5 3
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OpStore %9 %57
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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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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
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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__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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