201 lines
6.4 KiB
Plaintext
201 lines
6.4 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 NIR 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_0_0 _GLF_uniform_float_values[0]
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# #define _float_5_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: [0.0, 5.0]
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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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# // Trunc returns either 0.0 or 1.0. Fract will return zero for both.
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# float f = fract(trunc(gl_FragCoord.y < _float_5_0 ? 0.1 : 1.0));
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#
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# // Always true.
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# if(f == _float_0_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: 66
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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" %11 %42
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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 %11 "gl_FragCoord"
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OpName %19 "buf1"
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OpMemberName %19 0 "_GLF_uniform_float_values"
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OpName %21 ""
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OpName %42 "_GLF_color"
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OpName %44 "buf0"
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OpMemberName %44 0 "_GLF_uniform_int_values"
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OpName %46 ""
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OpDecorate %11 BuiltIn FragCoord
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OpDecorate %18 ArrayStride 16
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OpMemberDecorate %19 0 Offset 0
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OpDecorate %19 Block
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OpDecorate %21 DescriptorSet 0
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OpDecorate %21 Binding 1
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OpDecorate %42 Location 0
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OpDecorate %43 ArrayStride 16
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OpMemberDecorate %44 0 Offset 0
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OpDecorate %44 Block
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OpDecorate %46 DescriptorSet 0
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OpDecorate %46 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 = OpTypeVector %6 4
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%10 = OpTypePointer Input %9
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%11 = OpVariable %10 Input
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%12 = OpTypeInt 32 0
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%13 = OpConstant %12 1
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%14 = OpTypePointer Input %6
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%17 = OpConstant %12 2
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%18 = OpTypeArray %6 %17
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%19 = OpTypeStruct %18
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%20 = OpTypePointer Uniform %19
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%21 = OpVariable %20 Uniform
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%22 = OpTypeInt 32 1
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%23 = OpConstant %22 0
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%24 = OpConstant %22 1
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%25 = OpTypePointer Uniform %6
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%28 = OpTypeBool
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%30 = OpConstant %6 0.100000001
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%31 = OpConstant %6 1
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%41 = OpTypePointer Output %9
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%42 = OpVariable %41 Output
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%43 = OpTypeArray %22 %17
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%44 = OpTypeStruct %43
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%45 = OpTypePointer Uniform %44
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%46 = OpVariable %45 Uniform
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%47 = OpTypePointer Uniform %22
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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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%15 = OpAccessChain %14 %11 %13
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%16 = OpLoad %6 %15
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%26 = OpAccessChain %25 %21 %23 %24
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%27 = OpLoad %6 %26
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%29 = OpFOrdLessThan %28 %16 %27
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%32 = OpSelect %6 %29 %30 %31
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%33 = OpExtInst %6 %1 Trunc %32
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%34 = OpExtInst %6 %1 Fract %33
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OpStore %8 %34
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%35 = OpLoad %6 %8
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%36 = OpAccessChain %25 %21 %23 %23
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%37 = OpLoad %6 %36
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%38 = OpFOrdEqual %28 %35 %37
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OpSelectionMerge %40 None
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OpBranchConditional %38 %39 %61
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%39 = OpLabel
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%48 = OpAccessChain %47 %46 %23 %23
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%49 = OpLoad %22 %48
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%50 = OpConvertSToF %6 %49
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%51 = OpAccessChain %47 %46 %23 %24
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%52 = OpLoad %22 %51
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%53 = OpConvertSToF %6 %52
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%54 = OpAccessChain %47 %46 %23 %24
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%55 = OpLoad %22 %54
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%56 = OpConvertSToF %6 %55
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%57 = OpAccessChain %47 %46 %23 %23
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%58 = OpLoad %22 %57
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%59 = OpConvertSToF %6 %58
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%60 = OpCompositeConstruct %9 %50 %53 %56 %59
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OpStore %42 %60
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OpBranch %40
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%61 = OpLabel
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%62 = OpAccessChain %47 %46 %23 %24
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%63 = OpLoad %22 %62
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%64 = OpConvertSToF %6 %63
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%65 = OpCompositeConstruct %9 %64 %64 %64 %64
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OpStore %42 %65
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OpBranch %40
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%40 = 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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0.0 5.0
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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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