| /************************************************************************** |
| * |
| * 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 "egltypedefs.h" |
| |
| |
| #define _EGL_API_ALL_BITS \ |
| (EGL_OPENGL_ES_BIT | \ |
| EGL_OPENVG_BIT | \ |
| EGL_OPENGL_ES2_BIT | \ |
| 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; |
| } |
| |
| |
| PUBLIC _EGLThreadInfo * |
| _eglGetCurrentThread(void); |
| |
| |
| extern void |
| _eglDestroyCurrentThread(void); |
| |
| |
| extern EGLBoolean |
| _eglIsCurrentThreadDummy(void); |
| |
| |
| PUBLIC _EGLContext * |
| _eglGetAPIContext(EGLenum api); |
| |
| |
| PUBLIC _EGLContext * |
| _eglGetCurrentContext(void); |
| |
| |
| PUBLIC EGLBoolean |
| _eglError(EGLint errCode, const char *msg); |
| |
| |
| #endif /* EGLCURRENT_INCLUDED */ |