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
isDataTypeFloatOrVec(DataType dataType)194 inline bool isDataTypeFloatOrVec (DataType dataType) { return (dataType >= TYPE_FLOAT) && (dataType <= TYPE_FLOAT_VEC4); }
isDataTypeMatrix(DataType dataType)195 inline bool isDataTypeMatrix (DataType dataType) { return (dataType >= TYPE_FLOAT_MAT2) && (dataType <= TYPE_FLOAT_MAT4); }
isDataTypeIntOrIVec(DataType dataType)196 inline bool isDataTypeIntOrIVec (DataType dataType) { return (dataType >= TYPE_INT) && (dataType <= TYPE_INT_VEC4); }
isDataTypeUintOrUVec(DataType dataType)197 inline bool isDataTypeUintOrUVec (DataType dataType) { return (dataType >= TYPE_UINT) && (dataType <= TYPE_UINT_VEC4); }
isDataTypeBoolOrBVec(DataType dataType)198 inline bool isDataTypeBoolOrBVec (DataType dataType) { return (dataType >= TYPE_BOOL) && (dataType <= TYPE_BOOL_VEC4); }
isDataTypeScalar(DataType dataType)199 inline bool isDataTypeScalar (DataType dataType) { return (dataType == TYPE_FLOAT) || (dataType == TYPE_INT) || (dataType == TYPE_UINT) || (dataType == TYPE_BOOL); }
isDataTypeVector(DataType dataType)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); }
isDataTypeScalarOrVector(DataType dataType)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); }
isDataTypeSampler(DataType dataType)202 inline bool isDataTypeSampler (DataType dataType) { return (dataType >= TYPE_SAMPLER_1D) && (dataType <= TYPE_UINT_SAMPLER_2D_MULTISAMPLE); }
isDataTypeImage(DataType dataType)203 inline bool isDataTypeImage (DataType dataType) { return (dataType >= TYPE_IMAGE_2D) && (dataType <= TYPE_UINT_IMAGE_3D); }
isDataTypeSamplerMultisample(DataType dataType)204 inline bool isDataTypeSamplerMultisample(DataType dataType) { return (dataType >= TYPE_SAMPLER_2D_MULTISAMPLE) && (dataType <= TYPE_UINT_SAMPLER_2D_MULTISAMPLE); }
isDataTypeAtomicCounter(DataType dataType)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>
dataTypeOf(void)241 inline DataType dataTypeOf (void) { return DataType(DataTypeTraits<T>::DATATYPE); }
242
243 } // glu
244
245 #endif // _GLUSHADERUTIL_HPP
246