146 lines
4.4 KiB
Plaintext
146 lines
4.4 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 coverage-gap found by GraphicsFuzz.
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# Short description: A fragment shader that covers a specific const folding rule path.
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# The test passes because shader always writes red.
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# Optimized using spirv-opt with the following arguments:
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# '-O'
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# spirv-opt commit hash: 9215c1b7df0029f27807e8c8d7ec80532ce90a87
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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 310 es
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# precision highp float;
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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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# vec2 v;
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#
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# for(int i = 2; i < 3; i++)
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# {
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# vec4 tmp = vec4(0);
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# tmp.xy = vec2(1.0, float(i));
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# v = tmp.xy;
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# }
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#
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# // If condition is always false.
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# if (v.x != 1.0 || v.y != 2.0)
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# _GLF_color = vec4(0);
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# else
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# _GLF_color = vec4(1, 0, 0, 1);
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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; 8
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; Bound: 69
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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" %57
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OpExecutionMode %4 OriginUpperLeft
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OpSource ESSL 310
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OpName %4 "main"
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OpName %57 "_GLF_color"
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OpDecorate %38 RelaxedPrecision
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OpDecorate %57 Location 0
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OpDecorate %62 RelaxedPrecision
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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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%9 = OpConstant %6 2
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%16 = OpConstant %6 3
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%17 = OpTypeBool
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%19 = OpTypeFloat 32
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%20 = OpTypeVector %19 4
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%23 = OpConstant %19 0
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%24 = OpConstantComposite %20 %23 %23 %23 %23
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%25 = OpConstant %19 1
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%28 = OpTypeVector %19 2
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%37 = OpConstant %6 1
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%51 = OpConstant %19 2
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%56 = OpTypePointer Output %20
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%57 = OpVariable %56 Output
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%59 = OpConstantComposite %20 %25 %23 %23 %25
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%64 = OpUndef %28
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%68 = OpConstantNull %20
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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OpBranch %10
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%10 = OpLabel
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%63 = OpPhi %28 %64 %5 %35 %11
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%62 = OpPhi %6 %9 %5 %38 %11
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%18 = OpSLessThan %17 %62 %16
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OpLoopMerge %12 %11 None
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OpBranchConditional %18 %11 %12
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%11 = OpLabel
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%27 = OpConvertSToF %19 %62
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%29 = OpCompositeConstruct %28 %25 %27
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%35 = OpVectorShuffle %28 %29 %68 0 1
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%38 = OpIAdd %6 %62 %37
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OpBranch %10
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%12 = OpLabel
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%43 = OpCompositeExtract %19 %63 0
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%44 = OpFOrdNotEqual %17 %43 %25
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%45 = OpLogicalNot %17 %44
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OpSelectionMerge %47 None
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OpBranchConditional %45 %46 %47
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%46 = OpLabel
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%50 = OpCompositeExtract %19 %63 1
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%52 = OpFOrdNotEqual %17 %50 %51
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OpBranch %47
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%47 = OpLabel
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%53 = OpPhi %17 %44 %12 %52 %46
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OpSelectionMerge %55 None
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OpBranchConditional %53 %54 %58
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%54 = OpLabel
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OpStore %57 %24
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OpBranch %55
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%58 = OpLabel
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OpStore %57 %59
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OpBranch %55
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%55 = 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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