169 lines
5.0 KiB
Plaintext
169 lines
5.0 KiB
Plaintext
#!amber
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# Copyright 2021 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 specific LLVM code paths
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# The test passes because the shader always writes red.
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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 320 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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#
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# precision highp int;
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# precision highp float;
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#
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# // Contents of _GLF_uniform_int_values: [1, 0]
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# layout(set = 0, binding = 0) uniform buf0
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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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# int func()
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# {
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# int a = 1;
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# return (1 + a) - 1;
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# }
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#
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# void main()
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# {
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# // Always true.
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# if(func() == 1)
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# {
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# _GLF_color = vec4(_int_1, _int_0, _int_0, _int_1);
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# }
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# else
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# {
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# _GLF_color = vec4(_int_0);
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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: 53
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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" %26
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OpExecutionMode %4 OriginUpperLeft
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OpSource ESSL 320
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OpName %4 "main"
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OpName %8 "func("
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OpName %11 "a"
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OpName %26 "_GLF_color"
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OpName %30 "buf0"
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OpMemberName %30 0 "_GLF_uniform_int_values"
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OpName %32 ""
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OpDecorate %26 Location 0
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OpDecorate %29 ArrayStride 16
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OpMemberDecorate %30 0 Offset 0
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OpDecorate %30 Block
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OpDecorate %32 DescriptorSet 0
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OpDecorate %32 Binding 0
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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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%7 = OpTypeFunction %6
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%10 = OpTypePointer Function %6
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%12 = OpConstant %6 1
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%19 = OpTypeBool
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%23 = OpTypeFloat 32
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%24 = OpTypeVector %23 4
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%25 = OpTypePointer Output %24
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%26 = OpVariable %25 Output
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%27 = OpTypeInt 32 0
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%28 = OpConstant %27 2
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%29 = OpTypeArray %6 %28
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%30 = OpTypeStruct %29
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%31 = OpTypePointer Uniform %30
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%32 = OpVariable %31 Uniform
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%33 = OpConstant %6 0
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%34 = OpTypePointer Uniform %6
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%18 = OpFunctionCall %6 %8
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%20 = OpIEqual %19 %18 %12
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OpSelectionMerge %22 None
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OpBranchConditional %20 %21 %48
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%21 = OpLabel
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%35 = OpAccessChain %34 %32 %33 %33
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%36 = OpLoad %6 %35
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%37 = OpConvertSToF %23 %36
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%38 = OpAccessChain %34 %32 %33 %12
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%39 = OpLoad %6 %38
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%40 = OpConvertSToF %23 %39
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%41 = OpAccessChain %34 %32 %33 %12
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%42 = OpLoad %6 %41
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%43 = OpConvertSToF %23 %42
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%44 = OpAccessChain %34 %32 %33 %33
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%45 = OpLoad %6 %44
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%46 = OpConvertSToF %23 %45
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%47 = OpCompositeConstruct %24 %37 %40 %43 %46
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OpStore %26 %47
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OpBranch %22
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%48 = OpLabel
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%49 = OpAccessChain %34 %32 %33 %12
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%50 = OpLoad %6 %49
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%51 = OpConvertSToF %23 %50
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%52 = OpCompositeConstruct %24 %51 %51 %51 %51
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OpStore %26 %52
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OpBranch %22
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%22 = OpLabel
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OpReturn
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OpFunctionEnd
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%8 = OpFunction %6 None %7
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%9 = OpLabel
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%11 = OpVariable %10 Function
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OpStore %11 %12
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%13 = OpLoad %6 %11
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%14 = OpIAdd %6 %12 %13
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%15 = OpISub %6 %14 %12
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OpReturnValue %15
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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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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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