87 lines
2.8 KiB
Plaintext
87 lines
2.8 KiB
Plaintext
#!amber
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# Copyright 2019 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 bug found by GraphicsFuzz; reduced by spirv-fuzz and by hand.
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# A fragment shader with two nested loops. All loop conditions are false.
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# We check that all pixels are red. The test passes because the final statement
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# writes red to _GLF_color.
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SHADER vertex variant_vertex_shader PASSTHROUGH
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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 SPIR-V Tools Assembler; 0
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; Bound: 22
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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 %2 "main" %3
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OpExecutionMode %2 OriginUpperLeft
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OpSource ESSL 310
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OpName %2 "main"
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OpName %3 "_GLF_color"
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OpDecorate %3 Location 0
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%4 = OpTypeVoid
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%5 = OpTypeFunction %4
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%6 = OpTypeFloat 32
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%7 = OpConstant %6 1
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%8 = OpConstant %6 0
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%9 = OpTypeVector %6 4
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%10 = OpConstantComposite %9 %7 %8 %8 %7
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%11 = OpTypePointer Output %9
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%3 = OpVariable %11 Output
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%12 = OpTypeBool
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%13 = OpConstantTrue %12
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%14 = OpConstantFalse %12
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%2 = OpFunction %4 None %5
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%15 = OpLabel
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OpBranch %16
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%16 = OpLabel
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OpLoopMerge %17 %18 None
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OpBranchConditional %14 %19 %17
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%19 = OpLabel
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OpLoopMerge %20 %21 None
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OpBranchConditional %14 %20 %20
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%21 = OpLabel
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OpBranch %19
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%20 = OpLabel
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OpBranch %18
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%18 = OpLabel
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OpBranch %16
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%17 = OpLabel
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OpStore %3 %10
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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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