1 #ifndef _GLUSHADERUTIL_HPP 2 #define _GLUSHADERUTIL_HPP 3 /*------------------------------------------------------------------------- 4 * drawElements Quality Program OpenGL ES Utilities 5 * ------------------------------------------------ 6 * 7 * Copyright 2014 The Android Open Source Project 8 * 9 * Licensed under the Apache License, Version 2.0 (the "License"); 10 * you may not use this file except in compliance with the License. 11 * You may obtain a copy of the License at 12 * 13 * http://www.apache.org/licenses/LICENSE-2.0 14 * 15 * Unless required by applicable law or agreed to in writing, software 16 * distributed under the License is distributed on an "AS IS" BASIS, 17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 18 * See the License for the specific language governing permissions and 19 * limitations under the License. 20 * 21 *//*! 22 * \file 23 * \brief Shader utilities. 24 *//*--------------------------------------------------------------------*/ 25 26 #include "tcuDefs.hpp" 27 #include "deInt32.h" 28 #include "gluRenderContext.hpp" 29 #include "tcuVector.hpp" 30 #include "tcuVector.hpp" 31 #include "tcuMatrix.hpp" 32 33 namespace glu 34 { 35 36 // ShadingLanguageVersion 37 38 enum GLSLVersion 39 { 40 GLSL_VERSION_100_ES = 0, //!< GLSL ES 1.0 41 GLSL_VERSION_300_ES, //!< GLSL ES 3.0 42 GLSL_VERSION_310_ES, //!< GLSL ES 3.1 43 GLSL_VERSION_320_ES, //!< GLSL ES 3.2 44 45 GLSL_VERSION_130, //!< GLSL 1.3 46 GLSL_VERSION_140, //!< GLSL 1.4 47 GLSL_VERSION_150, //!< GLSL 1.5 48 GLSL_VERSION_330, //!< GLSL 3.0 49 GLSL_VERSION_400, //!< GLSL 4.0 50 GLSL_VERSION_410, //!< GLSL 4.1 51 GLSL_VERSION_420, //!< GLSL 4.2 52 GLSL_VERSION_430, //!< GLSL 4.3 53 GLSL_VERSION_440, //!< GLSL 4.4 54 GLSL_VERSION_450, //!< GLSL 4.5 55 GLSL_VERSION_460, //!< GLSL 4.6 56 57 GLSL_VERSION_LAST 58 }; 59 60 const char* getGLSLVersionName (GLSLVersion version); 61 const char* getGLSLVersionDeclaration (GLSLVersion version); 62 bool glslVersionUsesInOutQualifiers (GLSLVersion version); 63 bool glslVersionIsES (GLSLVersion version); 64 bool isGLSLVersionSupported (ContextType type, GLSLVersion version); 65 GLSLVersion getContextTypeGLSLVersion (ContextType type); 66 67 // ShaderType 68 69 enum ShaderType 70 { 71 SHADERTYPE_VERTEX = 0, 72 SHADERTYPE_FRAGMENT, 73 SHADERTYPE_GEOMETRY, 74 SHADERTYPE_TESSELLATION_CONTROL, 75 SHADERTYPE_TESSELLATION_EVALUATION, 76 SHADERTYPE_COMPUTE, 77 78 SHADERTYPE_LAST 79 }; 80 81 const char* getShaderTypeName (ShaderType shaderType); 82 83 // Precision 84 85 enum Precision 86 { 87 PRECISION_LOWP = 0, 88 PRECISION_MEDIUMP, 89 PRECISION_HIGHP, 90 91 PRECISION_LAST 92 }; 93 94 const char* getPrecisionName (Precision precision); 95 96 // DataType 97 98 enum DataType 99 { 100 TYPE_INVALID = 0, 101 102 TYPE_FLOAT, 103 TYPE_FLOAT_VEC2, 104 TYPE_FLOAT_VEC3, 105 TYPE_FLOAT_VEC4, 106 TYPE_FLOAT_MAT2, 107 TYPE_FLOAT_MAT2X3, 108 TYPE_FLOAT_MAT2X4, 109 TYPE_FLOAT_MAT3X2, 110 TYPE_FLOAT_MAT3, 111 TYPE_FLOAT_MAT3X4, 112 TYPE_FLOAT_MAT4X2, 113 TYPE_FLOAT_MAT4X3, 114 TYPE_FLOAT_MAT4, 115 116 TYPE_DOUBLE, 117 TYPE_DOUBLE_VEC2, 118 TYPE_DOUBLE_VEC3, 119 TYPE_DOUBLE_VEC4, 120 TYPE_DOUBLE_MAT2, 121 TYPE_DOUBLE_MAT2X3, 122 TYPE_DOUBLE_MAT2X4, 123 TYPE_DOUBLE_MAT3X2, 124 TYPE_DOUBLE_MAT3, 125 TYPE_DOUBLE_MAT3X4, 126 TYPE_DOUBLE_MAT4X2, 127 TYPE_DOUBLE_MAT4X3, 128 TYPE_DOUBLE_MAT4, 129 130 TYPE_INT, 131 TYPE_INT_VEC2, 132 TYPE_INT_VEC3, 133 TYPE_INT_VEC4, 134 135 TYPE_UINT, 136 TYPE_UINT_VEC2, 137 TYPE_UINT_VEC3, 138 TYPE_UINT_VEC4, 139 140 TYPE_BOOL, 141 TYPE_BOOL_VEC2, 142 TYPE_BOOL_VEC3, 143 TYPE_BOOL_VEC4, 144 145 TYPE_SAMPLER_1D, 146 TYPE_SAMPLER_2D, 147 TYPE_SAMPLER_CUBE, 148 TYPE_SAMPLER_1D_ARRAY, 149 TYPE_SAMPLER_2D_ARRAY, 150 TYPE_SAMPLER_3D, 151 TYPE_SAMPLER_CUBE_ARRAY, 152 153 TYPE_SAMPLER_1D_SHADOW, 154 TYPE_SAMPLER_2D_SHADOW, 155 TYPE_SAMPLER_CUBE_SHADOW, 156 TYPE_SAMPLER_1D_ARRAY_SHADOW, 157 TYPE_SAMPLER_2D_ARRAY_SHADOW, 158 TYPE_SAMPLER_CUBE_ARRAY_SHADOW, 159 160 TYPE_INT_SAMPLER_1D, 161 TYPE_INT_SAMPLER_2D, 162 TYPE_INT_SAMPLER_CUBE, 163 TYPE_INT_SAMPLER_1D_ARRAY, 164 TYPE_INT_SAMPLER_2D_ARRAY, 165 TYPE_INT_SAMPLER_3D, 166 TYPE_INT_SAMPLER_CUBE_ARRAY, 167 168 TYPE_UINT_SAMPLER_1D, 169 TYPE_UINT_SAMPLER_2D, 170 TYPE_UINT_SAMPLER_CUBE, 171 TYPE_UINT_SAMPLER_1D_ARRAY, 172 TYPE_UINT_SAMPLER_2D_ARRAY, 173 TYPE_UINT_SAMPLER_3D, 174 TYPE_UINT_SAMPLER_CUBE_ARRAY, 175 176 TYPE_SAMPLER_2D_MULTISAMPLE, 177 TYPE_INT_SAMPLER_2D_MULTISAMPLE, 178 TYPE_UINT_SAMPLER_2D_MULTISAMPLE, 179 180 TYPE_IMAGE_2D, 181 TYPE_IMAGE_CUBE, 182 TYPE_IMAGE_2D_ARRAY, 183 TYPE_IMAGE_3D, 184 TYPE_IMAGE_CUBE_ARRAY, 185 186 TYPE_INT_IMAGE_2D, 187 TYPE_INT_IMAGE_CUBE, 188 TYPE_INT_IMAGE_2D_ARRAY, 189 TYPE_INT_IMAGE_3D, 190 TYPE_INT_IMAGE_CUBE_ARRAY, 191 192 TYPE_UINT_IMAGE_2D, 193 TYPE_UINT_IMAGE_CUBE, 194 TYPE_UINT_IMAGE_2D_ARRAY, 195 TYPE_UINT_IMAGE_3D, 196 TYPE_UINT_IMAGE_CUBE_ARRAY, 197 198 TYPE_UINT_ATOMIC_COUNTER, 199 200 TYPE_SAMPLER_BUFFER, 201 TYPE_INT_SAMPLER_BUFFER, 202 TYPE_UINT_SAMPLER_BUFFER, 203 204 TYPE_SAMPLER_2D_MULTISAMPLE_ARRAY, 205 TYPE_INT_SAMPLER_2D_MULTISAMPLE_ARRAY, 206 TYPE_UINT_SAMPLER_2D_MULTISAMPLE_ARRAY, 207 208 TYPE_IMAGE_BUFFER, 209 TYPE_INT_IMAGE_BUFFER, 210 TYPE_UINT_IMAGE_BUFFER, 211 212 TYPE_LAST 213 }; 214 215 const char* getDataTypeName (DataType dataType); 216 int getDataTypeScalarSize (DataType dataType); 217 DataType getDataTypeScalarType (DataType dataType); 218 DataType getDataTypeFloatScalars (DataType dataType); 219 DataType getDataTypeDoubleScalars (DataType dataType); 220 DataType getDataTypeVector (DataType scalarType, int size); 221 DataType getDataTypeFloatVec (int vecSize); 222 DataType getDataTypeIntVec (int vecSize); 223 DataType getDataTypeUintVec (int vecSize); 224 DataType getDataTypeBoolVec (int vecSize); 225 DataType getDataTypeMatrix (int numCols, int numRows); 226 DataType getDataTypeFromGLType (deUint32 glType); 227 228 inline bool isDataTypeFloatOrVec (DataType dataType) { return (dataType >= TYPE_FLOAT) && (dataType <= TYPE_FLOAT_VEC4); } 229 inline bool isDataTypeDoubleOrDVec (DataType dataType) { return (dataType >= TYPE_DOUBLE) && (dataType <= TYPE_DOUBLE_VEC4); } 230 inline bool isDataTypeMatrix (DataType dataType) { return ((dataType >= TYPE_FLOAT_MAT2) && (dataType <= TYPE_FLOAT_MAT4)) || ((dataType >= TYPE_DOUBLE_MAT2) && (dataType <= TYPE_DOUBLE_MAT4)); } 231 inline bool isDataTypeIntOrIVec (DataType dataType) { return (dataType >= TYPE_INT) && (dataType <= TYPE_INT_VEC4); } 232 inline bool isDataTypeUintOrUVec (DataType dataType) { return (dataType >= TYPE_UINT) && (dataType <= TYPE_UINT_VEC4); } 233 inline bool isDataTypeBoolOrBVec (DataType dataType) { return (dataType >= TYPE_BOOL) && (dataType <= TYPE_BOOL_VEC4); } 234 inline bool isDataTypeScalar (DataType dataType) { return (dataType == TYPE_FLOAT) || (dataType == TYPE_DOUBLE) ||(dataType == TYPE_INT) || (dataType == TYPE_UINT) || (dataType == TYPE_BOOL); } 235 inline bool isDataTypeVector (DataType dataType) { return deInRange32(dataType, TYPE_FLOAT_VEC2, TYPE_FLOAT_VEC4) || deInRange32(dataType, TYPE_DOUBLE_VEC2, TYPE_DOUBLE_VEC4) || deInRange32(dataType, TYPE_INT_VEC2, TYPE_INT_VEC4) || deInRange32(dataType, TYPE_UINT_VEC2, TYPE_UINT_VEC4) || deInRange32(dataType, TYPE_BOOL_VEC2, TYPE_BOOL_VEC4); } 236 inline bool isDataTypeScalarOrVector (DataType dataType) { return deInRange32(dataType, TYPE_FLOAT, TYPE_FLOAT_VEC4) || deInRange32(dataType, TYPE_DOUBLE, TYPE_DOUBLE_VEC4) || deInRange32(dataType, TYPE_INT, TYPE_INT_VEC4) || deInRange32(dataType, TYPE_UINT, TYPE_UINT_VEC4) || deInRange32(dataType, TYPE_BOOL, TYPE_BOOL_VEC4); } 237 inline bool isDataTypeSampler (DataType dataType) { return (dataType >= TYPE_SAMPLER_1D) && (dataType <= TYPE_UINT_SAMPLER_2D_MULTISAMPLE); } 238 inline bool isDataTypeImage (DataType dataType) { return (dataType >= TYPE_IMAGE_2D) && (dataType <= TYPE_UINT_IMAGE_3D); } 239 inline bool isDataTypeSamplerMultisample(DataType dataType) { return (dataType >= TYPE_SAMPLER_2D_MULTISAMPLE) && (dataType <= TYPE_UINT_SAMPLER_2D_MULTISAMPLE); } 240 inline bool isDataTypeAtomicCounter (DataType dataType) { return dataType == TYPE_UINT_ATOMIC_COUNTER; } 241 inline bool isDataTypeSamplerBuffer (DataType dataType) { return (dataType >= TYPE_SAMPLER_BUFFER) && (dataType <= TYPE_UINT_SAMPLER_BUFFER); } 242 inline bool isDataTypeSamplerMSArray (DataType dataType) { return (dataType >= TYPE_SAMPLER_2D_MULTISAMPLE_ARRAY) && (dataType <= TYPE_UINT_SAMPLER_2D_MULTISAMPLE_ARRAY); } 243 inline bool isDataTypeImageBuffer (DataType dataType) { return (dataType >= TYPE_IMAGE_BUFFER) && (dataType <= TYPE_UINT_IMAGE_BUFFER); } 244 245 int getDataTypeMatrixNumRows (DataType dataType); 246 int getDataTypeMatrixNumColumns (DataType dataType); 247 248 int getDataTypeNumLocations (DataType dataType); 249 int getDataTypeNumComponents (DataType dataType); 250 251 template <typename T> 252 struct DataTypeTraits; 253 254 template <> struct DataTypeTraits<float> { enum { DATATYPE = TYPE_FLOAT }; }; 255 template <> struct DataTypeTraits<bool> { enum { DATATYPE = TYPE_BOOL }; }; 256 template <> struct DataTypeTraits<int> { enum { DATATYPE = TYPE_INT }; }; 257 template <> struct DataTypeTraits<deUint32> { enum { DATATYPE = TYPE_UINT }; }; 258 template <> struct DataTypeTraits<tcu::Mat2> { enum { DATATYPE = TYPE_FLOAT_MAT2 }; }; 259 template <> struct DataTypeTraits<tcu::Mat2x3> { enum { DATATYPE = TYPE_FLOAT_MAT2X3 }; }; 260 template <> struct DataTypeTraits<tcu::Mat2x4> { enum { DATATYPE = TYPE_FLOAT_MAT2X4 }; }; 261 template <> struct DataTypeTraits<tcu::Mat3x2> { enum { DATATYPE = TYPE_FLOAT_MAT3X2 }; }; 262 template <> struct DataTypeTraits<tcu::Mat3> { enum { DATATYPE = TYPE_FLOAT_MAT3 }; }; 263 template <> struct DataTypeTraits<tcu::Mat3x4> { enum { DATATYPE = TYPE_FLOAT_MAT3X4 }; }; 264 template <> struct DataTypeTraits<tcu::Mat4x2> { enum { DATATYPE = TYPE_FLOAT_MAT4X2 }; }; 265 template <> struct DataTypeTraits<tcu::Mat4x3> { enum { DATATYPE = TYPE_FLOAT_MAT4X3 }; }; 266 template <> struct DataTypeTraits<tcu::Mat4> { enum { DATATYPE = TYPE_FLOAT_MAT4 }; }; 267 268 template <typename T, int Size> 269 struct DataTypeTraits<tcu::Vector<T, Size> > 270 { 271 DE_STATIC_ASSERT(TYPE_FLOAT_VEC4 == TYPE_FLOAT + 3); 272 DE_STATIC_ASSERT(TYPE_INT_VEC4 == TYPE_INT + 3); 273 DE_STATIC_ASSERT(TYPE_UINT_VEC4 == TYPE_UINT + 3); 274 DE_STATIC_ASSERT(TYPE_BOOL_VEC4 == TYPE_BOOL + 3); 275 enum { DATATYPE = DataTypeTraits<T>::DATATYPE + Size - 1 }; 276 }; 277 278 template <typename T> 279 inline DataType dataTypeOf (void) { return DataType(DataTypeTraits<T>::DATATYPE); } 280 281 } // glu 282 283 #endif // _GLUSHADERUTIL_HPP 284