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#ifndef _GLUSHADERUTIL_HPP
#define _GLUSHADERUTIL_HPP
/*-------------------------------------------------------------------------
* drawElements Quality Program OpenGL ES Utilities
* ------------------------------------------------
*
* Copyright 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*//*!
* \file
* \brief Shader utilities.
*//*--------------------------------------------------------------------*/
#include "tcuDefs.hpp"
#include "deInt32.h"
#include "gluRenderContext.hpp"
#include "tcuVector.hpp"
#include "tcuVector.hpp"
#include "tcuMatrix.hpp"
namespace glu
{
// ShadingLanguageVersion
enum GLSLVersion
{
GLSL_VERSION_100_ES = 0, //!< GLSL ES 1.0
GLSL_VERSION_300_ES, //!< GLSL ES 3.0
GLSL_VERSION_310_ES, //!< GLSL ES 3.1
GLSL_VERSION_320_ES, //!< GLSL ES 3.2
GLSL_VERSION_130, //!< GLSL 1.3
GLSL_VERSION_140, //!< GLSL 1.4
GLSL_VERSION_150, //!< GLSL 1.5
GLSL_VERSION_330, //!< GLSL 3.0
GLSL_VERSION_400, //!< GLSL 4.0
GLSL_VERSION_410, //!< GLSL 4.1
GLSL_VERSION_420, //!< GLSL 4.2
GLSL_VERSION_430, //!< GLSL 4.3
GLSL_VERSION_440, //!< GLSL 4.4
GLSL_VERSION_450, //!< GLSL 4.5
GLSL_VERSION_LAST
};
const char* getGLSLVersionName (GLSLVersion version);
const char* getGLSLVersionDeclaration (GLSLVersion version);
bool glslVersionUsesInOutQualifiers (GLSLVersion version);
bool glslVersionIsES (GLSLVersion version);
bool isGLSLVersionSupported (ContextType type, GLSLVersion version);
GLSLVersion getContextTypeGLSLVersion (ContextType type);
// ShaderType
enum ShaderType
{
SHADERTYPE_VERTEX = 0,
SHADERTYPE_FRAGMENT,
SHADERTYPE_GEOMETRY,
SHADERTYPE_TESSELLATION_CONTROL,
SHADERTYPE_TESSELLATION_EVALUATION,
SHADERTYPE_COMPUTE,
SHADERTYPE_LAST
};
const char* getShaderTypeName (ShaderType shaderType);
// Precision
enum Precision
{
PRECISION_LOWP = 0,
PRECISION_MEDIUMP,
PRECISION_HIGHP,
PRECISION_LAST
};
const char* getPrecisionName (Precision precision);
// DataType
enum DataType
{
TYPE_INVALID = 0,
TYPE_FLOAT,
TYPE_FLOAT_VEC2,
TYPE_FLOAT_VEC3,
TYPE_FLOAT_VEC4,
TYPE_FLOAT_MAT2,
TYPE_FLOAT_MAT2X3,
TYPE_FLOAT_MAT2X4,
TYPE_FLOAT_MAT3X2,
TYPE_FLOAT_MAT3,
TYPE_FLOAT_MAT3X4,
TYPE_FLOAT_MAT4X2,
TYPE_FLOAT_MAT4X3,
TYPE_FLOAT_MAT4,
TYPE_INT,
TYPE_INT_VEC2,
TYPE_INT_VEC3,
TYPE_INT_VEC4,
TYPE_UINT,
TYPE_UINT_VEC2,
TYPE_UINT_VEC3,
TYPE_UINT_VEC4,
TYPE_BOOL,
TYPE_BOOL_VEC2,
TYPE_BOOL_VEC3,
TYPE_BOOL_VEC4,
TYPE_SAMPLER_1D,
TYPE_SAMPLER_2D,
TYPE_SAMPLER_CUBE,
TYPE_SAMPLER_2D_ARRAY,
TYPE_SAMPLER_3D,
TYPE_SAMPLER_CUBE_ARRAY,
TYPE_SAMPLER_1D_SHADOW,
TYPE_SAMPLER_2D_SHADOW,
TYPE_SAMPLER_CUBE_SHADOW,
TYPE_SAMPLER_2D_ARRAY_SHADOW,
TYPE_SAMPLER_CUBE_ARRAY_SHADOW,
TYPE_INT_SAMPLER_1D,
TYPE_INT_SAMPLER_2D,
TYPE_INT_SAMPLER_CUBE,
TYPE_INT_SAMPLER_2D_ARRAY,
TYPE_INT_SAMPLER_3D,
TYPE_INT_SAMPLER_CUBE_ARRAY,
TYPE_UINT_SAMPLER_1D,
TYPE_UINT_SAMPLER_2D,
TYPE_UINT_SAMPLER_CUBE,
TYPE_UINT_SAMPLER_2D_ARRAY,
TYPE_UINT_SAMPLER_3D,
TYPE_UINT_SAMPLER_CUBE_ARRAY,
TYPE_SAMPLER_2D_MULTISAMPLE,
TYPE_INT_SAMPLER_2D_MULTISAMPLE,
TYPE_UINT_SAMPLER_2D_MULTISAMPLE,
TYPE_IMAGE_2D,
TYPE_IMAGE_CUBE,
TYPE_IMAGE_2D_ARRAY,
TYPE_IMAGE_3D,
TYPE_IMAGE_CUBE_ARRAY,
TYPE_INT_IMAGE_2D,
TYPE_INT_IMAGE_CUBE,
TYPE_INT_IMAGE_2D_ARRAY,
TYPE_INT_IMAGE_3D,
TYPE_INT_IMAGE_CUBE_ARRAY,
TYPE_UINT_IMAGE_2D,
TYPE_UINT_IMAGE_CUBE,
TYPE_UINT_IMAGE_2D_ARRAY,
TYPE_UINT_IMAGE_3D,
TYPE_UINT_IMAGE_CUBE_ARRAY,
TYPE_UINT_ATOMIC_COUNTER,
TYPE_SAMPLER_BUFFER,
TYPE_INT_SAMPLER_BUFFER,
TYPE_UINT_SAMPLER_BUFFER,
TYPE_SAMPLER_2D_MULTISAMPLE_ARRAY,
TYPE_INT_SAMPLER_2D_MULTISAMPLE_ARRAY,
TYPE_UINT_SAMPLER_2D_MULTISAMPLE_ARRAY,
TYPE_IMAGE_BUFFER,
TYPE_INT_IMAGE_BUFFER,
TYPE_UINT_IMAGE_BUFFER,
TYPE_LAST
};
const char* getDataTypeName (DataType dataType);
int getDataTypeScalarSize (DataType dataType);
DataType getDataTypeScalarType (DataType dataType);
DataType getDataTypeFloatScalars (DataType dataType);
DataType getDataTypeVector (DataType scalarType, int size);
DataType getDataTypeFloatVec (int vecSize);
DataType getDataTypeIntVec (int vecSize);
DataType getDataTypeUintVec (int vecSize);
DataType getDataTypeBoolVec (int vecSize);
DataType getDataTypeMatrix (int numCols, int numRows);
DataType getDataTypeFromGLType (deUint32 glType);
inline bool isDataTypeFloatOrVec (DataType dataType) { return (dataType >= TYPE_FLOAT) && (dataType <= TYPE_FLOAT_VEC4); }
inline bool isDataTypeMatrix (DataType dataType) { return (dataType >= TYPE_FLOAT_MAT2) && (dataType <= TYPE_FLOAT_MAT4); }
inline bool isDataTypeIntOrIVec (DataType dataType) { return (dataType >= TYPE_INT) && (dataType <= TYPE_INT_VEC4); }
inline bool isDataTypeUintOrUVec (DataType dataType) { return (dataType >= TYPE_UINT) && (dataType <= TYPE_UINT_VEC4); }
inline bool isDataTypeBoolOrBVec (DataType dataType) { return (dataType >= TYPE_BOOL) && (dataType <= TYPE_BOOL_VEC4); }
inline bool isDataTypeScalar (DataType dataType) { return (dataType == TYPE_FLOAT) || (dataType == TYPE_INT) || (dataType == TYPE_UINT) || (dataType == TYPE_BOOL); }
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); }
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); }
inline bool isDataTypeSampler (DataType dataType) { return (dataType >= TYPE_SAMPLER_1D) && (dataType <= TYPE_UINT_SAMPLER_2D_MULTISAMPLE); }
inline bool isDataTypeImage (DataType dataType) { return (dataType >= TYPE_IMAGE_2D) && (dataType <= TYPE_UINT_IMAGE_3D); }
inline bool isDataTypeSamplerMultisample(DataType dataType) { return (dataType >= TYPE_SAMPLER_2D_MULTISAMPLE) && (dataType <= TYPE_UINT_SAMPLER_2D_MULTISAMPLE); }
inline bool isDataTypeAtomicCounter (DataType dataType) { return dataType == TYPE_UINT_ATOMIC_COUNTER; }
inline bool isDataTypeSamplerBuffer (DataType dataType) { return (dataType >= TYPE_SAMPLER_BUFFER) && (dataType <= TYPE_UINT_SAMPLER_BUFFER); }
inline bool isDataTypeSamplerMSArray (DataType dataType) { return (dataType >= TYPE_SAMPLER_2D_MULTISAMPLE_ARRAY) && (dataType <= TYPE_UINT_SAMPLER_2D_MULTISAMPLE_ARRAY); }
inline bool isDataTypeImageBuffer (DataType dataType) { return (dataType >= TYPE_IMAGE_BUFFER) && (dataType <= TYPE_UINT_IMAGE_BUFFER); }
int getDataTypeMatrixNumRows (DataType dataType);
int getDataTypeMatrixNumColumns (DataType dataType);
int getDataTypeNumLocations (DataType dataType);
int getDataTypeNumComponents (DataType dataType);
template <typename T>
struct DataTypeTraits;
template <> struct DataTypeTraits<float> { enum { DATATYPE = TYPE_FLOAT }; };
template <> struct DataTypeTraits<bool> { enum { DATATYPE = TYPE_BOOL }; };
template <> struct DataTypeTraits<int> { enum { DATATYPE = TYPE_INT }; };
template <> struct DataTypeTraits<deUint32> { enum { DATATYPE = TYPE_UINT }; };
template <> struct DataTypeTraits<tcu::Mat2> { enum { DATATYPE = TYPE_FLOAT_MAT2 }; };
template <> struct DataTypeTraits<tcu::Mat2x3> { enum { DATATYPE = TYPE_FLOAT_MAT2X3 }; };
template <> struct DataTypeTraits<tcu::Mat2x4> { enum { DATATYPE = TYPE_FLOAT_MAT2X4 }; };
template <> struct DataTypeTraits<tcu::Mat3x2> { enum { DATATYPE = TYPE_FLOAT_MAT3X2 }; };
template <> struct DataTypeTraits<tcu::Mat3> { enum { DATATYPE = TYPE_FLOAT_MAT3 }; };
template <> struct DataTypeTraits<tcu::Mat3x4> { enum { DATATYPE = TYPE_FLOAT_MAT3X4 }; };
template <> struct DataTypeTraits<tcu::Mat4x2> { enum { DATATYPE = TYPE_FLOAT_MAT4X2 }; };
template <> struct DataTypeTraits<tcu::Mat4x3> { enum { DATATYPE = TYPE_FLOAT_MAT4X3 }; };
template <> struct DataTypeTraits<tcu::Mat4> { enum { DATATYPE = TYPE_FLOAT_MAT4 }; };
template <typename T, int Size>
struct DataTypeTraits<tcu::Vector<T, Size> >
{
DE_STATIC_ASSERT(TYPE_FLOAT_VEC4 == TYPE_FLOAT + 3);
DE_STATIC_ASSERT(TYPE_INT_VEC4 == TYPE_INT + 3);
DE_STATIC_ASSERT(TYPE_UINT_VEC4 == TYPE_UINT + 3);
DE_STATIC_ASSERT(TYPE_BOOL_VEC4 == TYPE_BOOL + 3);
enum { DATATYPE = DataTypeTraits<T>::DATATYPE + Size - 1 };
};
template <typename T>
inline DataType dataTypeOf (void) { return DataType(DataTypeTraits<T>::DATATYPE); }
} // glu
#endif // _GLUSHADERUTIL_HPP
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