197 lines
6.3 KiB
Plaintext
197 lines
6.3 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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# #define _float_2_0 _GLF_uniform_float_values[0]
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# #define _float_1_0 _GLF_uniform_float_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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# // Contents of _GLF_uniform_float_values: [2.0, 1.0]
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# layout(set = 0, binding = 1) uniform buf1
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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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# 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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# // (1, 1 - (-0)) dot (1, 1) = (1, 1) dot (1, 1) = 1 * 1 + 1 * 1 = 2
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# float f = dot(vec2(_float_1_0, _float_1_0 - (- 0.0)), vec2(_float_1_0));
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#
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# // Always true.
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# if(f == _float_2_0)
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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: 64
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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" %40
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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 "f"
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OpName %12 "buf1"
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OpMemberName %12 0 "_GLF_uniform_float_values"
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OpName %14 ""
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OpName %40 "_GLF_color"
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OpName %42 "buf0"
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OpMemberName %42 0 "_GLF_uniform_int_values"
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OpName %44 ""
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OpDecorate %11 ArrayStride 16
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OpMemberDecorate %12 0 Offset 0
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OpDecorate %12 Block
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OpDecorate %14 DescriptorSet 0
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OpDecorate %14 Binding 1
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OpDecorate %40 Location 0
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OpDecorate %41 ArrayStride 16
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OpMemberDecorate %42 0 Offset 0
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OpDecorate %42 Block
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OpDecorate %44 DescriptorSet 0
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OpDecorate %44 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 = OpTypePointer Function %6
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%9 = OpTypeInt 32 0
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%10 = OpConstant %9 2
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%11 = OpTypeArray %6 %10
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%12 = OpTypeStruct %11
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%13 = OpTypePointer Uniform %12
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%14 = OpVariable %13 Uniform
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%15 = OpTypeInt 32 1
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%16 = OpConstant %15 0
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%17 = OpConstant %15 1
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%18 = OpTypePointer Uniform %6
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%23 = OpConstant %6 -0
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%25 = OpTypeVector %6 2
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%34 = OpTypeBool
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%38 = OpTypeVector %6 4
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%39 = OpTypePointer Output %38
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%40 = OpVariable %39 Output
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%41 = OpTypeArray %15 %10
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%42 = OpTypeStruct %41
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%43 = OpTypePointer Uniform %42
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%44 = OpVariable %43 Uniform
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%45 = OpTypePointer Uniform %15
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%8 = OpVariable %7 Function
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%19 = OpAccessChain %18 %14 %16 %17
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%20 = OpLoad %6 %19
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%21 = OpAccessChain %18 %14 %16 %17
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%22 = OpLoad %6 %21
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%24 = OpFSub %6 %22 %23
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%26 = OpCompositeConstruct %25 %20 %24
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%27 = OpAccessChain %18 %14 %16 %17
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%28 = OpLoad %6 %27
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%29 = OpCompositeConstruct %25 %28 %28
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%30 = OpDot %6 %26 %29
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OpStore %8 %30
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%31 = OpLoad %6 %8
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%32 = OpAccessChain %18 %14 %16 %16
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%33 = OpLoad %6 %32
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%35 = OpFOrdEqual %34 %31 %33
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OpSelectionMerge %37 None
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OpBranchConditional %35 %36 %59
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%36 = OpLabel
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%46 = OpAccessChain %45 %44 %16 %16
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%47 = OpLoad %15 %46
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%48 = OpConvertSToF %6 %47
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%49 = OpAccessChain %45 %44 %16 %17
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%50 = OpLoad %15 %49
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%51 = OpConvertSToF %6 %50
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%52 = OpAccessChain %45 %44 %16 %17
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%53 = OpLoad %15 %52
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%54 = OpConvertSToF %6 %53
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%55 = OpAccessChain %45 %44 %16 %16
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%56 = OpLoad %15 %55
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%57 = OpConvertSToF %6 %56
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%58 = OpCompositeConstruct %38 %48 %51 %54 %57
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OpStore %40 %58
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OpBranch %37
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%59 = OpLabel
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%60 = OpAccessChain %45 %44 %16 %17
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%61 = OpLoad %15 %60
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%62 = OpConvertSToF %6 %61
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%63 = OpCompositeConstruct %38 %62 %62 %62 %62
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OpStore %40 %63
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OpBranch %37
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%37 = 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_float_values
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BUFFER variant__GLF_uniform_float_values DATA_TYPE float[] STD140 DATA
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2.0 1.0
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END
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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_float_values AS uniform DESCRIPTOR_SET 0 BINDING 1
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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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