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92 lines
4.0 KiB
C++
92 lines
4.0 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Initial Developer of the Original Code is Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Bas Schouten <bschouten@mozilla.com>
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* Vladimir Vukicevic <vladimir@pobox.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "GLContext.h"
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namespace mozilla {
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namespace gl {
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class WGLLibrary
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{
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public:
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WGLLibrary() : mInitialized(PR_FALSE), mOGLLibrary(nsnull) {}
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typedef HGLRC (GLAPIENTRY * PFNWGLCREATECONTEXTPROC) (HDC);
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PFNWGLCREATECONTEXTPROC fCreateContext;
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typedef BOOL (GLAPIENTRY * PFNWGLDELETECONTEXTPROC) (HGLRC);
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PFNWGLDELETECONTEXTPROC fDeleteContext;
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typedef BOOL (GLAPIENTRY * PFNWGLMAKECURRENTPROC) (HDC, HGLRC);
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PFNWGLMAKECURRENTPROC fMakeCurrent;
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typedef PROC (GLAPIENTRY * PFNWGLGETPROCADDRESSPROC) (LPCSTR);
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PFNWGLGETPROCADDRESSPROC fGetProcAddress;
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typedef HGLRC (GLAPIENTRY * PFNWGLGETCURRENTCONTEXT) (void);
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PFNWGLGETCURRENTCONTEXT fGetCurrentContext;
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typedef HDC (GLAPIENTRY * PFNWGLGETCURRENTDC) (void);
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PFNWGLGETCURRENTDC fGetCurrentDC;
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typedef BOOL (GLAPIENTRY * PFNWGLSHARELISTS) (HGLRC oldContext, HGLRC newContext);
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PFNWGLSHARELISTS fShareLists;
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typedef HANDLE (WINAPI * PFNWGLCREATEPBUFFERPROC) (HDC hDC, int iPixelFormat, int iWidth, int iHeight, const int* piAttribList);
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PFNWGLCREATEPBUFFERPROC fCreatePbuffer;
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typedef BOOL (WINAPI * PFNWGLDESTROYPBUFFERPROC) (HANDLE hPbuffer);
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PFNWGLDESTROYPBUFFERPROC fDestroyPbuffer;
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typedef HDC (WINAPI * PFNWGLGETPBUFFERDCPROC) (HANDLE hPbuffer);
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PFNWGLGETPBUFFERDCPROC fGetPbufferDC;
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typedef BOOL (WINAPI * PFNWGLBINDTEXIMAGEPROC) (HANDLE hPbuffer, int iBuffer);
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PFNWGLBINDTEXIMAGEPROC fBindTexImage;
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typedef BOOL (WINAPI * PFNWGLRELEASETEXIMAGEPROC) (HANDLE hPbuffer, int iBuffer);
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PFNWGLRELEASETEXIMAGEPROC fReleaseTexImage;
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typedef BOOL (WINAPI * PFNWGLCHOOSEPIXELFORMATPROC) (HDC hdc, const int* piAttribIList, const FLOAT *pfAttribFList, UINT nMaxFormats, int *piFormats, UINT *nNumFormats);
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PFNWGLCHOOSEPIXELFORMATPROC fChoosePixelFormat;
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typedef BOOL (WINAPI * PFNWGLGETPIXELFORMATATTRIBIVPROC) (HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, int* piAttributes, int *piValues);
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PFNWGLGETPIXELFORMATATTRIBIVPROC fGetPixelFormatAttribiv;
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PRBool EnsureInitialized();
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private:
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PRBool mInitialized;
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PRLibrary *mOGLLibrary;
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};
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// a global WGLLibrary instance
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extern WGLLibrary sWGLLibrary;
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} /* namespace gl */
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} /* namespace mozilla */
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