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/**************************************************************************
*
* Copyright 2009-2010 Chia-I Wu <olvaffe@gmail.com>
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#ifndef EGLCURRENT_INCLUDED
#define EGLCURRENT_INCLUDED
#include "c99_compat.h"
#include "egltypedefs.h"
#ifdef __cplusplus
extern "C" {
#endif
#define _EGL_API_ALL_BITS \
(EGL_OPENGL_ES_BIT | \
EGL_OPENVG_BIT | \
EGL_OPENGL_ES2_BIT | \
EGL_OPENGL_ES3_BIT_KHR | \
EGL_OPENGL_BIT)
#define _EGL_API_FIRST_API EGL_OPENGL_ES_API
#define _EGL_API_LAST_API EGL_OPENGL_API
#define _EGL_API_NUM_APIS (_EGL_API_LAST_API - _EGL_API_FIRST_API + 1)
/**
* Per-thread info
*/
struct _egl_thread_info
{
EGLint LastError;
_EGLContext *CurrentContexts[_EGL_API_NUM_APIS];
/* use index for fast access to current context */
EGLint CurrentAPIIndex;
};
/**
* Return true if a client API enum is recognized.
*/
static inline EGLBoolean
_eglIsApiValid(EGLenum api)
{
return (api >= _EGL_API_FIRST_API && api <= _EGL_API_LAST_API);
}
/**
* Convert a client API enum to an index, for use by thread info.
* The client API enum is assumed to be valid.
*/
static inline EGLint
_eglConvertApiToIndex(EGLenum api)
{
return api - _EGL_API_FIRST_API;
}
/**
* Convert an index, used by thread info, to a client API enum.
* The index is assumed to be valid.
*/
static inline EGLenum
_eglConvertApiFromIndex(EGLint idx)
{
return _EGL_API_FIRST_API + idx;
}
extern _EGLThreadInfo *
_eglGetCurrentThread(void);
extern void
_eglDestroyCurrentThread(void);
extern EGLBoolean
_eglIsCurrentThreadDummy(void);
extern _EGLContext *
_eglGetAPIContext(EGLenum api);
extern _EGLContext *
_eglGetCurrentContext(void);
extern EGLBoolean
_eglError(EGLint errCode, const char *msg);
#ifdef __cplusplus
}
#endif
#endif /* EGLCURRENT_INCLUDED */
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