1#!amber 2 3# Copyright 2020 Google LLC 4# 5# Licensed under the Apache License, Version 2.0 (the "License"); 6# you may not use this file except in compliance with the License. 7# You may obtain a copy of the License at 8# 9# http://www.apache.org/licenses/LICENSE-2.0 10# 11# Unless required by applicable law or agreed to in writing, software 12# distributed under the License is distributed on an "AS IS" BASIS, 13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14# See the License for the specific language governing permissions and 15# limitations under the License. 16 17 18# A test for a coverage-gap found by the GraphicsFuzz project. 19 20# Short description: A fragment shader that calculates modulo of an acosh result 21 22# The test passes because the shader always writes red. 23 24SHADER vertex variant_vertex_shader PASSTHROUGH 25 26# variant_fragment_shader is derived from the following GLSL: 27# #version 310 es 28# #define _int_0 _GLF_uniform_int_values[0] 29# #define _int_1 _GLF_uniform_int_values[1] 30# #define _float_2_6 _GLF_uniform_float_values[0] 31# #define _float_1_61 _GLF_uniform_float_values[1] 32# #define _float_0_1 _GLF_uniform_float_values[2] 33# 34# precision highp float; 35# precision highp int; 36# 37# // Contents of _GLF_uniform_float_values: [2.6, 1.61, 0.1] 38# layout(set = 0, binding = 0) uniform buf0 39# { 40# float _GLF_uniform_float_values[3]; 41# }; 42# 43# // Contents of _GLF_uniform_int_values: [0, 1] 44# layout(set = 0, binding = 1) uniform buf1 45# { 46# int _GLF_uniform_int_values[2]; 47# }; 48# 49# layout(location = 0) out vec4 _GLF_color; 50# 51# void main() 52# { 53# float f = mod(acosh(_float_2_6), 7938.0); 54# if (abs(f - _float_1_61) < _float_0_1) 55# { 56# _GLF_color = vec4(_int_1, _int_0, _int_0, _int_1); 57# } 58# else 59# { 60# _GLF_color = vec4(_int_0); 61# } 62# } 63SHADER fragment variant_fragment_shader SPIRV-ASM TARGET_ENV spv1.0 64; SPIR-V 65; Version: 1.0 66; Generator: Khronos Glslang Reference Front End; 8 67; Bound: 63 68; Schema: 0 69 OpCapability Shader 70 %1 = OpExtInstImport "GLSL.std.450" 71 OpMemoryModel Logical GLSL450 72 OpEntryPoint Fragment %4 "main" %38 73 OpExecutionMode %4 OriginUpperLeft 74 OpSource ESSL 310 75 OpName %4 "main" 76 OpName %8 "f" 77 OpName %12 "buf0" 78 OpMemberName %12 0 "_GLF_uniform_float_values" 79 OpName %14 "" 80 OpName %38 "_GLF_color" 81 OpName %41 "buf1" 82 OpMemberName %41 0 "_GLF_uniform_int_values" 83 OpName %43 "" 84 OpDecorate %11 ArrayStride 16 85 OpMemberDecorate %12 0 Offset 0 86 OpDecorate %12 Block 87 OpDecorate %14 DescriptorSet 0 88 OpDecorate %14 Binding 0 89 OpDecorate %38 Location 0 90 OpDecorate %40 ArrayStride 16 91 OpMemberDecorate %41 0 Offset 0 92 OpDecorate %41 Block 93 OpDecorate %43 DescriptorSet 0 94 OpDecorate %43 Binding 1 95 %2 = OpTypeVoid 96 %3 = OpTypeFunction %2 97 %6 = OpTypeFloat 32 98 %7 = OpTypePointer Function %6 99 %9 = OpTypeInt 32 0 100 %10 = OpConstant %9 3 101 %11 = OpTypeArray %6 %10 102 %12 = OpTypeStruct %11 103 %13 = OpTypePointer Uniform %12 104 %14 = OpVariable %13 Uniform 105 %15 = OpTypeInt 32 1 106 %16 = OpConstant %15 0 107 %17 = OpTypePointer Uniform %6 108 %21 = OpConstant %6 7938 109 %24 = OpConstant %15 1 110 %29 = OpConstant %15 2 111 %32 = OpTypeBool 112 %36 = OpTypeVector %6 4 113 %37 = OpTypePointer Output %36 114 %38 = OpVariable %37 Output 115 %39 = OpConstant %9 2 116 %40 = OpTypeArray %15 %39 117 %41 = OpTypeStruct %40 118 %42 = OpTypePointer Uniform %41 119 %43 = OpVariable %42 Uniform 120 %44 = OpTypePointer Uniform %15 121 %4 = OpFunction %2 None %3 122 %5 = OpLabel 123 %8 = OpVariable %7 Function 124 %18 = OpAccessChain %17 %14 %16 %16 125 %19 = OpLoad %6 %18 126 %20 = OpExtInst %6 %1 Acosh %19 127 %22 = OpFMod %6 %20 %21 128 OpStore %8 %22 129 %23 = OpLoad %6 %8 130 %25 = OpAccessChain %17 %14 %16 %24 131 %26 = OpLoad %6 %25 132 %27 = OpFSub %6 %23 %26 133 %28 = OpExtInst %6 %1 FAbs %27 134 %30 = OpAccessChain %17 %14 %16 %29 135 %31 = OpLoad %6 %30 136 %33 = OpFOrdLessThan %32 %28 %31 137 OpSelectionMerge %35 None 138 OpBranchConditional %33 %34 %58 139 %34 = OpLabel 140 %45 = OpAccessChain %44 %43 %16 %24 141 %46 = OpLoad %15 %45 142 %47 = OpConvertSToF %6 %46 143 %48 = OpAccessChain %44 %43 %16 %16 144 %49 = OpLoad %15 %48 145 %50 = OpConvertSToF %6 %49 146 %51 = OpAccessChain %44 %43 %16 %16 147 %52 = OpLoad %15 %51 148 %53 = OpConvertSToF %6 %52 149 %54 = OpAccessChain %44 %43 %16 %24 150 %55 = OpLoad %15 %54 151 %56 = OpConvertSToF %6 %55 152 %57 = OpCompositeConstruct %36 %47 %50 %53 %56 153 OpStore %38 %57 154 OpBranch %35 155 %58 = OpLabel 156 %59 = OpAccessChain %44 %43 %16 %16 157 %60 = OpLoad %15 %59 158 %61 = OpConvertSToF %6 %60 159 %62 = OpCompositeConstruct %36 %61 %61 %61 %61 160 OpStore %38 %62 161 OpBranch %35 162 %35 = OpLabel 163 OpReturn 164 OpFunctionEnd 165END 166 167# uniforms for variant 168 169# _GLF_uniform_int_values 170BUFFER variant__GLF_uniform_int_values DATA_TYPE int32[] STD140 DATA 171 0 1 172END 173# _GLF_uniform_float_values 174BUFFER variant__GLF_uniform_float_values DATA_TYPE float[] STD140 DATA 175 2.6 1.61 0.1 176END 177 178BUFFER variant_framebuffer FORMAT B8G8R8A8_UNORM 179 180PIPELINE graphics variant_pipeline 181 ATTACH variant_vertex_shader 182 ATTACH variant_fragment_shader 183 FRAMEBUFFER_SIZE 16 16 184 BIND BUFFER variant_framebuffer AS color LOCATION 0 185 BIND BUFFER variant__GLF_uniform_int_values AS uniform DESCRIPTOR_SET 0 BINDING 1 186 BIND BUFFER variant__GLF_uniform_float_values AS uniform DESCRIPTOR_SET 0 BINDING 0 187END 188CLEAR_COLOR variant_pipeline 0 0 0 255 189 190CLEAR variant_pipeline 191RUN variant_pipeline DRAW_RECT POS 0 0 SIZE 16 16 192 193EXPECT variant_framebuffer IDX 0 0 SIZE 16 16 EQ_RGBA 255 0 0 255 194