You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

132 lines
4.8 KiB

#ifndef _GLUPROGRAMINTERFACEQUERY_HPP
#define _GLUPROGRAMINTERFACEQUERY_HPP
/*-------------------------------------------------------------------------
* drawElements Quality Program OpenGL 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 Program interface query utilities
*//*--------------------------------------------------------------------*/
#include "gluDefs.hpp"
#include <vector>
#include <string>
namespace glw
{
class Functions;
}
namespace glu
{
//! Interface block info.
struct InterfaceBlockInfo
{
std::string name;
deUint32 index;
deUint32 bufferBinding; //!< GL_BUFFER_BINDING
deUint32 dataSize; //!< GL_BUFFER_DATA_SIZE
std::vector<int> activeVariables; //!< GL_ACTIVE_VARIABLES
InterfaceBlockInfo (void)
: index (~0u /* GL_INVALID_INDEX */)
, bufferBinding (0)
, dataSize (0)
{
}
};
//! Interface variable (uniform in uniform block, buffer variable) info.
struct InterfaceVariableInfo
{
std::string name;
deUint32 index;
deUint32 blockIndex; //!< GL_BLOCK_INDEX
deUint32 atomicCounterBufferIndex; //!< GL_ATOMIC_COUNTER_BUFFER_INDEX
deUint32 type; //!< GL_TYPE
deUint32 arraySize; //!< GL_ARRAY_SIZE
deUint32 offset; //!< GL_OFFSET
deInt32 arrayStride; //!< GL_ARRAY_STRIDE
deInt32 matrixStride; //!< GL_MATRIX_STRIDE
deUint32 topLevelArraySize; //!< GL_TOP_LEVEL_ARRAY_SIZE - set only for GL_BUFFER_VARIABLEs
deInt32 topLevelArrayStride; //!< GL_TOP_LEVEL_ARRAY_STRIDE - set only for GL_BUFFER_VARIABLEs
bool isRowMajor; //!< GL_IS_ROW_MAJOR
InterfaceVariableInfo (void)
: index (~0u /* GL_INVALID_INDEX */)
, blockIndex (~0u /* GL_INVALID_INDEX */)
, atomicCounterBufferIndex (~0u /* GL_INVALID_INDEX */)
, type (0)
, arraySize (0)
, offset (0)
, arrayStride (0)
, matrixStride (0)
, topLevelArraySize (0)
, topLevelArrayStride (0)
, isRowMajor (0)
{
}
};
int getProgramResourceInt (const glw::Functions& gl, deUint32 program, deUint32 programInterface, deUint32 index, deUint32 queryParam);
deUint32 getProgramResourceUint (const glw::Functions& gl, deUint32 program, deUint32 programInterface, deUint32 index, deUint32 queryParam);
void getProgramResourceName (const glw::Functions& gl, deUint32 program, deUint32 programInterface, deUint32 index, std::string& dst);
std::string getProgramResourceName (const glw::Functions& gl, deUint32 program, deUint32 programInterface, deUint32 index);
void getProgramInterfaceBlockInfo (const glw::Functions& gl, deUint32 program, deUint32 programInterface, deUint32 index, InterfaceBlockInfo& info);
InterfaceBlockInfo getProgramInterfaceBlockInfo (const glw::Functions& gl, deUint32 program, deUint32 programInterface, deUint32 index);
void getProgramInterfaceVariableInfo (const glw::Functions& gl, deUint32 program, deUint32 programInterface, deUint32 index, InterfaceVariableInfo& info);
InterfaceVariableInfo getProgramInterfaceVariableInfo (const glw::Functions& gl, deUint32 program, deUint32 programInterface, deUint32 index);
// Inline implementations for optimization (RVO in most cases).
inline int getProgramResourceInt (const glw::Functions& gl, deUint32 program, deUint32 programInterface, deUint32 index, deUint32 queryParam)
{
return (int)getProgramResourceUint(gl, program, programInterface, index, queryParam);
}
inline std::string getProgramResourceName (const glw::Functions& gl, deUint32 program, deUint32 programInterface, deUint32 index)
{
std::string name;
getProgramResourceName(gl, program, programInterface, index, name);
return name;
}
inline InterfaceBlockInfo getProgramInterfaceBlockInfo (const glw::Functions& gl, deUint32 program, deUint32 programInterface, deUint32 index)
{
InterfaceBlockInfo info;
getProgramInterfaceBlockInfo(gl, program, programInterface, index, info);
return info;
}
inline InterfaceVariableInfo getProgramInterfaceVariableInfo (const glw::Functions& gl, deUint32 program, deUint32 programInterface, deUint32 index)
{
InterfaceVariableInfo info;
getProgramInterfaceVariableInfo(gl, program, programInterface, index, info);
return info;
}
} // glu
#endif // _GLUPROGRAMINTERFACEQUERY_HPP