201 lines
6.5 KiB
Plaintext
201 lines
6.5 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: Covers specific inst combine simplify demanded and inst combine shifts 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 _float_0_0 _GLF_uniform_float_values[0]
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# #define _float_256_0 _GLF_uniform_float_values[0]
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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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# // Contents of _GLF_uniform_float_values: [0.0, 256.0]
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# layout(set = 0, binding = 0) uniform buf0
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# {
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# float _GLF_uniform_float_values[2];
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# };
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#
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# // Contents of _GLF_uniform_int_values: [1, 0]
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# layout(set = 0, binding = 1) uniform buf1
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# {
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# int _GLF_uniform_int_values[2];
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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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# vec2 v1 = vec2(_float_256_0);
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#
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# // v1.y becomes undefined. This results in an undefined value, but not in undefined behavior.
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# v1[_int_1] = ldexp(v1.y, -256);
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#
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# vec2 v2 = v1 * mat2(_float_0_0);
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#
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# if (v2.x == _float_0_0)
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# _GLF_color = vec4(_int_1, _int_0, _int_0, _int_1);
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# else
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# _GLF_color = vec4(_int_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: 78
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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" %58
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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 "v1"
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OpName %13 "buf0"
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OpMemberName %13 0 "_GLF_uniform_float_values"
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OpName %15 ""
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OpName %23 "buf1"
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OpMemberName %23 0 "_GLF_uniform_int_values"
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OpName %25 ""
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OpName %58 "_GLF_color"
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OpDecorate %12 ArrayStride 16
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OpMemberDecorate %13 0 Offset 0
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OpDecorate %13 Block
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OpDecorate %15 DescriptorSet 0
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OpDecorate %15 Binding 0
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OpDecorate %22 ArrayStride 16
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OpMemberDecorate %23 0 Offset 0
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OpDecorate %23 Block
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OpDecorate %25 DescriptorSet 0
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OpDecorate %25 Binding 1
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OpDecorate %58 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 = OpTypePointer Function %7
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%10 = OpTypeInt 32 0
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%11 = OpConstant %10 2
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%12 = OpTypeArray %6 %11
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%13 = OpTypeStruct %12
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%14 = OpTypePointer Uniform %13
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%15 = OpVariable %14 Uniform
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%16 = OpTypeInt 32 1
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%17 = OpConstant %16 0
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%18 = OpTypePointer Uniform %6
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%22 = OpTypeArray %16 %11
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%23 = OpTypeStruct %22
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%24 = OpTypePointer Uniform %23
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%25 = OpVariable %24 Uniform
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%26 = OpTypePointer Uniform %16
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%29 = OpConstant %10 1
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%30 = OpTypePointer Function %6
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%33 = OpConstant %16 -256
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%40 = OpTypeMatrix %7 2
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%42 = OpConstant %6 0
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%52 = OpTypeBool
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%56 = OpTypeVector %6 4
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%57 = OpTypePointer Output %56
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%58 = OpVariable %57 Output
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%62 = OpConstant %16 1
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%9 = OpVariable %8 Function
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%19 = OpAccessChain %18 %15 %17 %17
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%20 = OpLoad %6 %19
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%21 = OpCompositeConstruct %7 %20 %20
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OpStore %9 %21
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%27 = OpAccessChain %26 %25 %17 %17
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%28 = OpLoad %16 %27
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%31 = OpAccessChain %30 %9 %29
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%32 = OpLoad %6 %31
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%34 = OpExtInst %6 %1 Ldexp %32 %33
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%35 = OpAccessChain %30 %9 %28
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OpStore %35 %34
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%37 = OpLoad %7 %9
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%43 = OpCompositeConstruct %7 %20 %42
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%44 = OpCompositeConstruct %7 %42 %20
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%45 = OpCompositeConstruct %40 %43 %44
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%46 = OpVectorTimesMatrix %7 %37 %45
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%49 = OpCompositeExtract %6 %46 0
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%53 = OpFOrdEqual %52 %49 %20
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OpSelectionMerge %55 None
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OpBranchConditional %53 %54 %73
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%54 = OpLabel
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%61 = OpConvertSToF %6 %28
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%63 = OpAccessChain %26 %25 %17 %62
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%64 = OpLoad %16 %63
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%65 = OpConvertSToF %6 %64
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%72 = OpCompositeConstruct %56 %61 %65 %65 %61
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OpStore %58 %72
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OpBranch %55
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%73 = OpLabel
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%74 = OpAccessChain %26 %25 %17 %62
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%75 = OpLoad %16 %74
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%76 = OpConvertSToF %6 %75
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%77 = OpCompositeConstruct %56 %76 %76 %76 %76
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OpStore %58 %77
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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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# 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
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END
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# _GLF_uniform_float_values
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BUFFER variant__GLF_uniform_float_values DATA_TYPE float[] STD140 DATA
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0.0 256.0
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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 1
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BIND BUFFER variant__GLF_uniform_float_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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