| #!amber |
| |
| # Copyright 2019 Google LLC |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| # A test for a bug found by GraphicsFuzz; reduced by spirv-fuzz and by hand. |
| # A fragment shader with two nested loops. All loop conditions are false. |
| # We check that all pixels are red. The test passes because the final statement |
| # writes red to _GLF_color. |
| |
| SHADER vertex variant_vertex_shader PASSTHROUGH |
| |
| SHADER fragment variant_fragment_shader SPIRV-ASM TARGET_ENV spv1.0 |
| ; SPIR-V |
| ; Version: 1.0 |
| ; Generator: Khronos SPIR-V Tools Assembler; 0 |
| ; Bound: 22 |
| ; Schema: 0 |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %2 "main" %3 |
| OpExecutionMode %2 OriginUpperLeft |
| OpSource ESSL 310 |
| OpName %2 "main" |
| OpName %3 "_GLF_color" |
| OpDecorate %3 Location 0 |
| %4 = OpTypeVoid |
| %5 = OpTypeFunction %4 |
| %6 = OpTypeFloat 32 |
| %7 = OpConstant %6 1 |
| %8 = OpConstant %6 0 |
| %9 = OpTypeVector %6 4 |
| %10 = OpConstantComposite %9 %7 %8 %8 %7 |
| %11 = OpTypePointer Output %9 |
| %3 = OpVariable %11 Output |
| %12 = OpTypeBool |
| %13 = OpConstantTrue %12 |
| %14 = OpConstantFalse %12 |
| %2 = OpFunction %4 None %5 |
| %15 = OpLabel |
| OpBranch %16 |
| %16 = OpLabel |
| OpLoopMerge %17 %18 None |
| OpBranchConditional %14 %19 %17 |
| %19 = OpLabel |
| OpLoopMerge %20 %21 None |
| OpBranchConditional %14 %20 %20 |
| %21 = OpLabel |
| OpBranch %19 |
| %20 = OpLabel |
| OpBranch %18 |
| %18 = OpLabel |
| OpBranch %16 |
| %17 = OpLabel |
| OpStore %3 %10 |
| OpReturn |
| OpFunctionEnd |
| END |
| |
| |
| BUFFER variant_framebuffer FORMAT B8G8R8A8_UNORM |
| |
| PIPELINE graphics variant_pipeline |
| ATTACH variant_vertex_shader |
| ATTACH variant_fragment_shader |
| FRAMEBUFFER_SIZE 256 256 |
| BIND BUFFER variant_framebuffer AS color LOCATION 0 |
| END |
| CLEAR_COLOR variant_pipeline 0 0 0 255 |
| |
| CLEAR variant_pipeline |
| RUN variant_pipeline DRAW_RECT POS 0 0 SIZE 256 256 |
| |
| EXPECT variant_framebuffer IDX 0 0 SIZE 256 256 EQ_RGBA 255 0 0 255 |