237 lines
7.3 KiB
Plaintext
237 lines
7.3 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 SPIR-V reader 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_0 _GLF_uniform_int_values[0]
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# #define _int_1 _GLF_uniform_int_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: [0, 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[2];
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# };
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#
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# layout(set = 0, binding = 1) uniform sampler2D tex;
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# layout(location = 0) out vec4 _GLF_color;
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#
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# vec4 func(sampler2D s)
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# {
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# return texture(s, vec2(_int_0));
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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 (func(tex) == vec4(_int_0, _int_0, _int_0, _int_1))
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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: 78
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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 %13 "func(s21;"
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OpName %12 "s"
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OpName %20 "buf0"
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OpMemberName %20 0 "_GLF_uniform_int_values"
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OpName %22 ""
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OpName %36 "tex"
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OpName %59 "_GLF_color"
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OpDecorate %12 RelaxedPrecision
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OpDecorate %15 RelaxedPrecision
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OpDecorate %19 ArrayStride 16
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OpMemberDecorate %20 0 Offset 0
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OpDecorate %20 Block
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OpDecorate %22 DescriptorSet 0
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OpDecorate %22 Binding 0
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OpDecorate %27 RelaxedPrecision
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OpDecorate %29 RelaxedPrecision
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OpDecorate %30 RelaxedPrecision
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OpDecorate %36 RelaxedPrecision
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OpDecorate %36 DescriptorSet 0
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OpDecorate %36 Binding 1
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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 = OpTypeImage %6 2D 0 0 0 1 Unknown
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%8 = OpTypeSampledImage %7
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%9 = OpTypePointer UniformConstant %8
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%10 = OpTypeVector %6 4
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%11 = OpTypeFunction %10 %9
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%16 = OpTypeInt 32 1
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%17 = OpTypeInt 32 0
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%18 = OpConstant %17 2
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%19 = OpTypeArray %16 %18
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%20 = OpTypeStruct %19
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%21 = OpTypePointer Uniform %20
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%22 = OpVariable %21 Uniform
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%23 = OpConstant %16 0
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%24 = OpTypePointer Uniform %16
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%28 = OpTypeVector %6 2
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%31 = OpTypePointer Function %10
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%36 = OpVariable %9 UniformConstant
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%47 = OpConstant %16 1
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%52 = OpTypeBool
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%53 = OpTypeVector %52 4
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%58 = OpTypePointer Output %10
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%59 = OpVariable %58 Output
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%37 = OpFunctionCall %10 %13 %36
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%38 = OpAccessChain %24 %22 %23 %23
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%39 = OpLoad %16 %38
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%40 = OpConvertSToF %6 %39
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%41 = OpAccessChain %24 %22 %23 %23
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%42 = OpLoad %16 %41
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%43 = OpConvertSToF %6 %42
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%44 = OpAccessChain %24 %22 %23 %23
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%45 = OpLoad %16 %44
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%46 = OpConvertSToF %6 %45
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%48 = OpAccessChain %24 %22 %23 %47
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%49 = OpLoad %16 %48
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%50 = OpConvertSToF %6 %49
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%51 = OpCompositeConstruct %10 %40 %43 %46 %50
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%54 = OpFOrdEqual %53 %37 %51
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%55 = OpAll %52 %54
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OpSelectionMerge %57 None
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OpBranchConditional %55 %56 %73
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%56 = OpLabel
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%60 = OpAccessChain %24 %22 %23 %47
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%61 = OpLoad %16 %60
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%62 = OpConvertSToF %6 %61
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%63 = OpAccessChain %24 %22 %23 %23
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%64 = OpLoad %16 %63
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%65 = OpConvertSToF %6 %64
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%66 = OpAccessChain %24 %22 %23 %23
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%67 = OpLoad %16 %66
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%68 = OpConvertSToF %6 %67
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%69 = OpAccessChain %24 %22 %23 %47
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%70 = OpLoad %16 %69
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%71 = OpConvertSToF %6 %70
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%72 = OpCompositeConstruct %10 %62 %65 %68 %71
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OpStore %59 %72
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OpBranch %57
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%73 = OpLabel
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%74 = OpAccessChain %24 %22 %23 %23
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%75 = OpLoad %16 %74
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%76 = OpConvertSToF %6 %75
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%77 = OpCompositeConstruct %10 %76 %76 %76 %76
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OpStore %59 %77
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OpBranch %57
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%57 = OpLabel
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OpReturn
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OpFunctionEnd
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%13 = OpFunction %10 None %11
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%12 = OpFunctionParameter %9
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%14 = OpLabel
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%32 = OpVariable %31 Function
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%15 = OpLoad %8 %12
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%25 = OpAccessChain %24 %22 %23 %23
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%26 = OpLoad %16 %25
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%27 = OpConvertSToF %6 %26
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%29 = OpCompositeConstruct %28 %27 %27
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%30 = OpImageSampleImplicitLod %10 %15 %29
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OpStore %32 %30
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%33 = OpLoad %10 %32
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OpReturnValue %33
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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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# _GLF_uniform_int_values
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BUFFER variant__GLF_uniform_int_values DATA_TYPE int32[] STD140 DATA
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0 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 default_texture AS combined_image_sampler SAMPLER variant_tex 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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