170 lines
5.1 KiB
Plaintext
170 lines
5.1 KiB
Plaintext
#!amber
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# Copyright 2020 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 a specific inst combine compares code path
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# The test passes because the 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: a187dd58a0485988841d325a85c8e6063f53500a
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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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# #define _int_1 _GLF_uniform_int_values[0]
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# #define _int_0 _GLF_uniform_int_values[1]
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# #define _int_10 _GLF_uniform_int_values[2]
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#
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# precision highp float;
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#
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# precision highp int;
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#
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# // Contents of _GLF_uniform_int_values: [1, 0, 10]
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# layout(set = 0, binding = 0) uniform buf0
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# {
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# int _GLF_uniform_int_values[3];
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# };
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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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# _GLF_color = vec4(_int_0);
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#
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# // c becomes 1.
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# int c = (_int_1 << _int_1) >> 1;
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#
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# int a = _int_0;
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# for (int i = c; c < 10; i++)
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# {
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# a++;
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# if (a == _int_10)
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# {
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# _GLF_color = vec4(_int_1, _int_0, _int_0, _int_1);
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# break;
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# }
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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: 72
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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" %9
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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 %9 "_GLF_color"
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OpName %14 "buf0"
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OpMemberName %14 0 "_GLF_uniform_int_values"
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OpName %16 ""
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OpDecorate %9 Location 0
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OpDecorate %13 ArrayStride 16
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OpMemberDecorate %14 0 Offset 0
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OpDecorate %14 Block
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OpDecorate %16 DescriptorSet 0
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OpDecorate %16 Binding 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 4
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%8 = OpTypePointer Output %7
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%9 = OpVariable %8 Output
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%10 = OpTypeInt 32 1
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%11 = OpTypeInt 32 0
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%12 = OpConstant %11 3
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%13 = OpTypeArray %10 %12
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%14 = OpTypeStruct %13
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%15 = OpTypePointer Uniform %14
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%16 = OpVariable %15 Uniform
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%17 = OpConstant %10 0
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%18 = OpConstant %10 1
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%19 = OpTypePointer Uniform %10
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%43 = OpConstant %10 10
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%44 = OpTypeBool
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%49 = OpConstant %10 2
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%20 = OpAccessChain %19 %16 %17 %18
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%21 = OpLoad %10 %20
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%22 = OpConvertSToF %6 %21
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%23 = OpCompositeConstruct %7 %22 %22 %22 %22
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OpStore %9 %23
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%26 = OpAccessChain %19 %16 %17 %17
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%27 = OpLoad %10 %26
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%30 = OpShiftLeftLogical %10 %27 %27
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%31 = OpShiftRightArithmetic %10 %30 %18
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OpBranch %37
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%37 = OpLabel
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%71 = OpPhi %10 %21 %5 %47 %40
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%45 = OpSLessThan %44 %31 %43
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OpLoopMerge %39 %40 None
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OpBranchConditional %45 %38 %39
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%38 = OpLabel
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%47 = OpIAdd %10 %71 %18
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%50 = OpAccessChain %19 %16 %17 %49
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%51 = OpLoad %10 %50
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%52 = OpIEqual %44 %47 %51
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OpSelectionMerge %54 None
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OpBranchConditional %52 %53 %54
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%53 = OpLabel
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%57 = OpConvertSToF %6 %27
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%67 = OpCompositeConstruct %7 %57 %22 %22 %57
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OpStore %9 %67
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OpBranch %39
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%54 = OpLabel
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OpBranch %40
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%40 = OpLabel
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OpBranch %37
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%39 = OpLabel
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OpReturn
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OpFunctionEnd
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END
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# uniforms for variant
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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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1 0 10
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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 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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