129 lines
4.0 KiB
Plaintext
129 lines
4.0 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 VTN code path
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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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# precision highp float;
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# precision highp int;
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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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# mat2 m = transpose(mat2(1, 2, 3, 4)) / 2.0;
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#
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# if (m == mat2(0.5, 1.5, 1.0, 2.0))
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# _GLF_color = vec4(1, 0, 0, 1);
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# else
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# _GLF_color = vec4(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: 46
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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" %41
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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 "m"
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OpName %41 "_GLF_color"
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OpDecorate %41 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 2
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%8 = OpTypeMatrix %7 2
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%9 = OpTypePointer Function %8
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%11 = OpConstant %6 1
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%12 = OpConstant %6 2
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%13 = OpConstantComposite %7 %11 %12
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%14 = OpConstant %6 3
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%15 = OpConstant %6 4
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%16 = OpConstantComposite %7 %14 %15
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%17 = OpConstantComposite %8 %13 %16
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%22 = OpConstant %6 0.5
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%23 = OpConstant %6 1.5
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%24 = OpConstantComposite %7 %22 %23
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%25 = OpConstantComposite %8 %24 %13
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%26 = OpTypeBool
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%29 = OpTypeVector %26 2
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%39 = OpTypeVector %6 4
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%40 = OpTypePointer Output %39
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%41 = OpVariable %40 Output
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%42 = OpConstant %6 0
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%43 = OpConstantComposite %39 %11 %42 %42 %11
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%45 = OpConstantComposite %39 %42 %42 %42 %42
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%10 = OpVariable %9 Function
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%18 = OpTranspose %8 %17
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%19 = OpFDiv %6 %11 %12
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%20 = OpMatrixTimesScalar %8 %18 %19
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OpStore %10 %20
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%21 = OpLoad %8 %10
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%27 = OpCompositeExtract %7 %21 0
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%28 = OpCompositeExtract %7 %25 0
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%30 = OpFOrdEqual %29 %27 %28
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%31 = OpAll %26 %30
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%32 = OpCompositeExtract %7 %21 1
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%33 = OpCompositeExtract %7 %25 1
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%34 = OpFOrdEqual %29 %32 %33
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%35 = OpAll %26 %34
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%36 = OpLogicalAnd %26 %31 %35
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OpSelectionMerge %38 None
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OpBranchConditional %36 %37 %44
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%37 = OpLabel
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OpStore %41 %43
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OpBranch %38
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%44 = OpLabel
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OpStore %41 %45
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OpBranch %38
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%38 = OpLabel
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OpReturn
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OpFunctionEnd
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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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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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