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 44 GLSL_VERSION_130, //!< GLSL 1.3 45 GLSL_VERSION_140, //!< GLSL 1.4 46 GLSL_VERSION_150, //!< GLSL 1.5 47 GLSL_VERSION_330, //!< GLSL 3.0 48 GLSL_VERSION_400, //!< GLSL 4.0 49 GLSL_VERSION_410, //!< GLSL 4.1 50 GLSL_VERSION_420, //!< GLSL 4.2 51 GLSL_VERSION_430, //!< GLSL 4.3 52 GLSL_VERSION_440, //!< GLSL 4.4 53 54 GLSL_VERSION_LAST 55 }; 56 57 const char* getGLSLVersionName (GLSLVersion version); 58 const char* getGLSLVersionDeclaration (GLSLVersion version); 59 bool glslVersionUsesInOutQualifiers (GLSLVersion version); 60 bool glslVersionIsES (GLSLVersion version); 61 bool isGLSLVersionSupported (ContextType type, GLSLVersion version); 62 GLSLVersion getContextTypeGLSLVersion (ContextType type); 63 64 // ShaderType 65 66 enum ShaderType 67 { 68 SHADERTYPE_VERTEX = 0, 69 SHADERTYPE_FRAGMENT, 70 SHADERTYPE_GEOMETRY, 71 SHADERTYPE_TESSELLATION_CONTROL, 72 SHADERTYPE_TESSELLATION_EVALUATION, 73 SHADERTYPE_COMPUTE, 74 75 SHADERTYPE_LAST 76 }; 77 78 const char* getShaderTypeName (ShaderType shaderType); 79 80 // Precision 81 82 enum Precision 83 { 84 PRECISION_LOWP = 0, 85 PRECISION_MEDIUMP, 86 PRECISION_HIGHP, 87 88 PRECISION_LAST 89 }; 90 91 const char* getPrecisionName (Precision precision); 92 93 // DataType 94 95 enum DataType 96 { 97 TYPE_INVALID = 0, 98 99 TYPE_FLOAT, 100 TYPE_FLOAT_VEC2, 101 TYPE_FLOAT_VEC3, 102 TYPE_FLOAT_VEC4, 103 TYPE_FLOAT_MAT2, 104 TYPE_FLOAT_MAT2X3, 105 TYPE_FLOAT_MAT2X4, 106 TYPE_FLOAT_MAT3X2, 107 TYPE_FLOAT_MAT3, 108 TYPE_FLOAT_MAT3X4, 109 TYPE_FLOAT_MAT4X2, 110 TYPE_FLOAT_MAT4X3, 111 TYPE_FLOAT_MAT4, 112 113 TYPE_INT, 114 TYPE_INT_VEC2, 115 TYPE_INT_VEC3, 116 TYPE_INT_VEC4, 117 118 TYPE_UINT, 119 TYPE_UINT_VEC2, 120 TYPE_UINT_VEC3, 121 TYPE_UINT_VEC4, 122 123 TYPE_BOOL, 124 TYPE_BOOL_VEC2, 125 TYPE_BOOL_VEC3, 126 TYPE_BOOL_VEC4, 127 128 TYPE_SAMPLER_1D, 129 TYPE_SAMPLER_2D, 130 TYPE_SAMPLER_CUBE, 131 TYPE_SAMPLER_2D_ARRAY, 132 TYPE_SAMPLER_3D, 133 TYPE_SAMPLER_CUBE_ARRAY, 134 135 TYPE_SAMPLER_1D_SHADOW, 136 TYPE_SAMPLER_2D_SHADOW, 137 TYPE_SAMPLER_CUBE_SHADOW, 138 TYPE_SAMPLER_2D_ARRAY_SHADOW, 139 TYPE_SAMPLER_CUBE_ARRAY_SHADOW, 140 141 TYPE_INT_SAMPLER_1D, 142 TYPE_INT_SAMPLER_2D, 143 TYPE_INT_SAMPLER_CUBE, 144 TYPE_INT_SAMPLER_2D_ARRAY, 145 TYPE_INT_SAMPLER_3D, 146 TYPE_INT_SAMPLER_CUBE_ARRAY, 147 148 TYPE_UINT_SAMPLER_1D, 149 TYPE_UINT_SAMPLER_2D, 150 TYPE_UINT_SAMPLER_CUBE, 151 TYPE_UINT_SAMPLER_2D_ARRAY, 152 TYPE_UINT_SAMPLER_3D, 153 TYPE_UINT_SAMPLER_CUBE_ARRAY, 154 155 TYPE_SAMPLER_2D_MULTISAMPLE, 156 TYPE_INT_SAMPLER_2D_MULTISAMPLE, 157 TYPE_UINT_SAMPLER_2D_MULTISAMPLE, 158 159 TYPE_IMAGE_2D, 160 TYPE_IMAGE_CUBE, 161 TYPE_IMAGE_2D_ARRAY, 162 TYPE_IMAGE_3D, 163 TYPE_IMAGE_CUBE_ARRAY, 164 165 TYPE_INT_IMAGE_2D, 166 TYPE_INT_IMAGE_CUBE, 167 TYPE_INT_IMAGE_2D_ARRAY, 168 TYPE_INT_IMAGE_3D, 169 TYPE_INT_IMAGE_CUBE_ARRAY, 170 171 TYPE_UINT_IMAGE_2D, 172 TYPE_UINT_IMAGE_CUBE, 173 TYPE_UINT_IMAGE_2D_ARRAY, 174 TYPE_UINT_IMAGE_3D, 175 TYPE_UINT_IMAGE_CUBE_ARRAY, 176 177 TYPE_UINT_ATOMIC_COUNTER, 178 179 TYPE_LAST 180 }; 181 182 const char* getDataTypeName (DataType dataType); 183 int getDataTypeScalarSize (DataType dataType); 184 DataType getDataTypeScalarType (DataType dataType); 185 DataType getDataTypeFloatScalars (DataType dataType); 186 DataType getDataTypeVector (DataType scalarType, int size); 187 DataType getDataTypeFloatVec (int vecSize); 188 DataType getDataTypeIntVec (int vecSize); 189 DataType getDataTypeUintVec (int vecSize); 190 DataType getDataTypeBoolVec (int vecSize); 191 DataType getDataTypeMatrix (int numCols, int numRows); 192 DataType getDataTypeFromGLType (deUint32 glType); 193 194 inline bool isDataTypeFloatOrVec (DataType dataType) { return (dataType >= TYPE_FLOAT) && (dataType <= TYPE_FLOAT_VEC4); } 195 inline bool isDataTypeMatrix (DataType dataType) { return (dataType >= TYPE_FLOAT_MAT2) && (dataType <= TYPE_FLOAT_MAT4); } 196 inline bool isDataTypeIntOrIVec (DataType dataType) { return (dataType >= TYPE_INT) && (dataType <= TYPE_INT_VEC4); } 197 inline bool isDataTypeUintOrUVec (DataType dataType) { return (dataType >= TYPE_UINT) && (dataType <= TYPE_UINT_VEC4); } 198 inline bool isDataTypeBoolOrBVec (DataType dataType) { return (dataType >= TYPE_BOOL) && (dataType <= TYPE_BOOL_VEC4); } 199 inline bool isDataTypeScalar (DataType dataType) { return (dataType == TYPE_FLOAT) || (dataType == TYPE_INT) || (dataType == TYPE_UINT) || (dataType == TYPE_BOOL); } 200 inline bool isDataTypeVector (DataType dataType) { return deInRange32(dataType, TYPE_FLOAT_VEC2, TYPE_FLOAT_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); } 201 inline bool isDataTypeScalarOrVector (DataType dataType) { return deInRange32(dataType, TYPE_FLOAT, TYPE_FLOAT_VEC4) || deInRange32(dataType, TYPE_INT, TYPE_INT_VEC4) || deInRange32(dataType, TYPE_UINT, TYPE_UINT_VEC4) || deInRange32(dataType, TYPE_BOOL, TYPE_BOOL_VEC4); } 202 inline bool isDataTypeSampler (DataType dataType) { return (dataType >= TYPE_SAMPLER_1D) && (dataType <= TYPE_UINT_SAMPLER_2D_MULTISAMPLE); } 203 inline bool isDataTypeImage (DataType dataType) { return (dataType >= TYPE_IMAGE_2D) && (dataType <= TYPE_UINT_IMAGE_3D); } 204 inline bool isDataTypeSamplerMultisample(DataType dataType) { return (dataType >= TYPE_SAMPLER_2D_MULTISAMPLE) && (dataType <= TYPE_UINT_SAMPLER_2D_MULTISAMPLE); } 205 inline bool isDataTypeAtomicCounter (DataType dataType) { return dataType == TYPE_UINT_ATOMIC_COUNTER; } 206 207 int getDataTypeMatrixNumRows (DataType dataType); 208 int getDataTypeMatrixNumColumns (DataType dataType); 209 210 int getDataTypeNumLocations (DataType dataType); 211 int getDataTypeNumComponents (DataType dataType); 212 213 template <typename T> 214 struct DataTypeTraits; 215 216 template <> struct DataTypeTraits<float> { enum { DATATYPE = TYPE_FLOAT }; }; 217 template <> struct DataTypeTraits<bool> { enum { DATATYPE = TYPE_BOOL }; }; 218 template <> struct DataTypeTraits<int> { enum { DATATYPE = TYPE_INT }; }; 219 template <> struct DataTypeTraits<deUint32> { enum { DATATYPE = TYPE_UINT }; }; 220 template <> struct DataTypeTraits<tcu::Mat2> { enum { DATATYPE = TYPE_FLOAT_MAT2 }; }; 221 template <> struct DataTypeTraits<tcu::Mat2x3> { enum { DATATYPE = TYPE_FLOAT_MAT2X3 }; }; 222 template <> struct DataTypeTraits<tcu::Mat2x4> { enum { DATATYPE = TYPE_FLOAT_MAT2X4 }; }; 223 template <> struct DataTypeTraits<tcu::Mat3x2> { enum { DATATYPE = TYPE_FLOAT_MAT3X2 }; }; 224 template <> struct DataTypeTraits<tcu::Mat3> { enum { DATATYPE = TYPE_FLOAT_MAT3 }; }; 225 template <> struct DataTypeTraits<tcu::Mat3x4> { enum { DATATYPE = TYPE_FLOAT_MAT3X4 }; }; 226 template <> struct DataTypeTraits<tcu::Mat4x2> { enum { DATATYPE = TYPE_FLOAT_MAT4X2 }; }; 227 template <> struct DataTypeTraits<tcu::Mat4x3> { enum { DATATYPE = TYPE_FLOAT_MAT4X3 }; }; 228 template <> struct DataTypeTraits<tcu::Mat4> { enum { DATATYPE = TYPE_FLOAT_MAT4 }; }; 229 230 template <typename T, int Size> 231 struct DataTypeTraits<tcu::Vector<T, Size> > 232 { 233 DE_STATIC_ASSERT(TYPE_FLOAT_VEC4 == TYPE_FLOAT + 3); 234 DE_STATIC_ASSERT(TYPE_INT_VEC4 == TYPE_INT + 3); 235 DE_STATIC_ASSERT(TYPE_UINT_VEC4 == TYPE_UINT + 3); 236 DE_STATIC_ASSERT(TYPE_BOOL_VEC4 == TYPE_BOOL + 3); 237 enum { DATATYPE = DataTypeTraits<T>::DATATYPE + Size - 1 }; 238 }; 239 240 template <typename T> 241 inline DataType dataTypeOf (void) { return DataType(DataTypeTraits<T>::DATATYPE); } 242 243 } // glu 244 245 #endif // _GLUSHADERUTIL_HPP 246
