313 lines
9.5 KiB
Plaintext
313 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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SHADER vertex texgen_vert PASSTHROUGH
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SHADER fragment texgen_frag GLSL
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#version 430
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precision highp float;
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layout(location = 0) out vec4 _GLF_color;
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void main()
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{
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_GLF_color = vec4(
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floor(gl_FragCoord.x) * (1.0 / 255.0),
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(int(gl_FragCoord.x) ^ int(gl_FragCoord.y)) * (1.0 / 255.0),
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floor(gl_FragCoord.y) * (1.0 / 255.0),
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1.0);
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}
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END
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BUFFER default_texture FORMAT B8G8R8A8_UNORM
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PIPELINE graphics texgen_pipeline
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ATTACH texgen_vert
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ATTACH texgen_frag
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FRAMEBUFFER_SIZE 256 256
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BIND BUFFER default_texture AS color LOCATION 0
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END
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CLEAR_COLOR texgen_pipeline 0 0 0 255
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CLEAR texgen_pipeline
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RUN texgen_pipeline DRAW_RECT POS 0 0 SIZE 256 256
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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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# #define _float_0_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_float_values: [1.0, 0.0]
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# layout(set = 0, binding = 0) uniform buf0
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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 _GLF_uniform_int_values: [1, 0, 4]
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# layout(set = 0, binding = 1) uniform buf1
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# {
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# int _GLF_uniform_int_values[3];
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# };
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#
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# layout(set = 0, binding = 2) uniform sampler2D tex;
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#
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# // Contents of zero: 0.0
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# layout(set = 0, binding = 3) uniform buf3
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# {
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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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# void main()
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# {
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# int i = 0;
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# float f = texture(tex, vec2(_float_1_0)).y;
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#
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# // Sampled texel components are always <= 1. The loop will run until i is four.
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# while(f <= _float_1_0 && i < 4)
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# {
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# // Always false.
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# if(zero < _float_0_0)
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# {
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# continue;
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# }
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#
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# i++;
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# }
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#
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# // Always true.
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# if(i == _int_4)
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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: 94
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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" %75
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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 "i"
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OpName %12 "f"
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OpName %16 "tex"
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OpName %21 "buf0"
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OpMemberName %21 0 "_GLF_uniform_float_values"
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OpName %23 ""
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OpName %47 "buf3"
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OpMemberName %47 0 "zero"
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OpName %49 ""
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OpName %64 "buf1"
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OpMemberName %64 0 "_GLF_uniform_int_values"
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OpName %66 ""
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OpName %75 "_GLF_color"
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OpDecorate %16 RelaxedPrecision
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OpDecorate %16 DescriptorSet 0
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OpDecorate %16 Binding 2
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OpDecorate %17 RelaxedPrecision
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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 0
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OpDecorate %28 RelaxedPrecision
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OpDecorate %30 RelaxedPrecision
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OpDecorate %32 RelaxedPrecision
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OpMemberDecorate %47 0 Offset 0
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OpDecorate %47 Block
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OpDecorate %49 DescriptorSet 0
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OpDecorate %49 Binding 3
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OpDecorate %63 ArrayStride 16
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OpMemberDecorate %64 0 Offset 0
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OpDecorate %64 Block
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OpDecorate %66 DescriptorSet 0
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OpDecorate %66 Binding 1
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OpDecorate %75 Location 0
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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 0
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%10 = OpTypeFloat 32
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%11 = OpTypePointer Function %10
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%13 = OpTypeImage %10 2D 0 0 0 1 Unknown
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%14 = OpTypeSampledImage %13
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%15 = OpTypePointer UniformConstant %14
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%16 = OpVariable %15 UniformConstant
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%18 = OpTypeInt 32 0
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%19 = OpConstant %18 2
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%20 = OpTypeArray %10 %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 = OpTypePointer Uniform %10
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%27 = OpTypeVector %10 2
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%29 = OpTypeVector %10 4
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%31 = OpConstant %18 1
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%41 = OpTypeBool
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%44 = OpConstant %6 4
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%47 = OpTypeStruct %10
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%48 = OpTypePointer Uniform %47
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%49 = OpVariable %48 Uniform
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%52 = OpConstant %6 1
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%62 = OpConstant %18 3
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%63 = OpTypeArray %6 %62
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%64 = OpTypeStruct %63
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%65 = OpTypePointer Uniform %64
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%66 = OpVariable %65 Uniform
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%67 = OpConstant %6 2
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%68 = OpTypePointer Uniform %6
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%74 = OpTypePointer Output %29
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%75 = OpVariable %74 Output
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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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%12 = OpVariable %11 Function
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OpStore %8 %9
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%17 = OpLoad %14 %16
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%25 = OpAccessChain %24 %23 %9 %9
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%26 = OpLoad %10 %25
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%28 = OpCompositeConstruct %27 %26 %26
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%30 = OpImageSampleImplicitLod %29 %17 %28
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%32 = OpCompositeExtract %10 %30 1
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OpStore %12 %32
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OpBranch %33
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%33 = OpLabel
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OpLoopMerge %35 %36 None
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OpBranch %37
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%37 = OpLabel
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%38 = OpLoad %10 %12
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%39 = OpAccessChain %24 %23 %9 %9
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%40 = OpLoad %10 %39
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%42 = OpFOrdLessThanEqual %41 %38 %40
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%43 = OpLoad %6 %8
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%45 = OpSLessThan %41 %43 %44
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%46 = OpLogicalAnd %41 %42 %45
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OpBranchConditional %46 %34 %35
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%34 = OpLabel
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%50 = OpAccessChain %24 %49 %9
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%51 = OpLoad %10 %50
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%53 = OpAccessChain %24 %23 %9 %52
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%54 = OpLoad %10 %53
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%55 = OpFOrdLessThan %41 %51 %54
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OpSelectionMerge %57 None
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OpBranchConditional %55 %56 %57
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%56 = OpLabel
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OpBranch %36
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%57 = OpLabel
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%59 = OpLoad %6 %8
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%60 = OpIAdd %6 %59 %52
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OpStore %8 %60
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OpBranch %36
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%36 = OpLabel
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OpBranch %33
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%35 = OpLabel
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%61 = OpLoad %6 %8
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%69 = OpAccessChain %68 %66 %9 %67
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%70 = OpLoad %6 %69
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%71 = OpIEqual %41 %61 %70
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OpSelectionMerge %73 None
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OpBranchConditional %71 %72 %89
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%72 = OpLabel
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%76 = OpAccessChain %68 %66 %9 %9
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%77 = OpLoad %6 %76
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%78 = OpConvertSToF %10 %77
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%79 = OpAccessChain %68 %66 %9 %52
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%80 = OpLoad %6 %79
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%81 = OpConvertSToF %10 %80
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%82 = OpAccessChain %68 %66 %9 %52
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%83 = OpLoad %6 %82
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%84 = OpConvertSToF %10 %83
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%85 = OpAccessChain %68 %66 %9 %9
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%86 = OpLoad %6 %85
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%87 = OpConvertSToF %10 %86
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%88 = OpCompositeConstruct %29 %78 %81 %84 %87
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OpStore %75 %88
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OpBranch %73
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%89 = OpLabel
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%90 = OpAccessChain %68 %66 %9 %52
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%91 = OpLoad %6 %90
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%92 = OpConvertSToF %10 %91
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%93 = OpCompositeConstruct %29 %92 %92 %92 %92
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OpStore %75 %93
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OpBranch %73
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%73 = 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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# tex
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SAMPLER variant_tex
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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_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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# _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 0.0
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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 32 32
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BIND BUFFER variant_framebuffer AS color LOCATION 0
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BIND BUFFER default_texture AS combined_image_sampler SAMPLER variant_tex DESCRIPTOR_SET 0 BINDING 2
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BIND BUFFER variant_zero AS uniform DESCRIPTOR_SET 0 BINDING 3
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BIND BUFFER variant__GLF_uniform_int_values AS uniform DESCRIPTOR_SET 0 BINDING 1
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BIND BUFFER variant__GLF_uniform_float_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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