/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

#ifndef OGLFuncs_md_h_Included

#define OGLFuncs_md_h_Included

#include <windows.h>

#include "J2D_GL/wglext.h"

#include "OGLFuncMacros.h"

#include <jdk_util.h>

/**

 * Core WGL functions

 */

typedef HGLRC (GLAPIENTRY *wglCreateContextType)(HDC hdc);

typedef BOOL  (GLAPIENTRY *wglDeleteContextType)(HGLRC hglrc);

typedef BOOL  (GLAPIENTRY *wglMakeCurrentType)(HDC hdc, HGLRC hglrc);

typedef HGLRC (GLAPIENTRY *wglGetCurrentContextType)();

typedef HDC   (GLAPIENTRY *wglGetCurrentDCType)();

typedef PROC  (GLAPIENTRY *wglGetProcAddressType)(LPCSTR procName);

typedef BOOL  (GLAPIENTRY *wglShareListsType)(HGLRC hglrc1, HGLRC hglrc2);

/**

 * WGL extension function pointers

 */

typedef BOOL (GLAPIENTRY *wglChoosePixelFormatARBType)(HDC hdc, const int *pAttribIList, const FLOAT *pAttribFList, UINT nMaxFormats, int *piFormats, UINT *nNumFormats);

typedef BOOL (GLAPIENTRY *wglGetPixelFormatAttribivARBType)(HDC, int, int, UINT, const int *, int *);

typedef HPBUFFERARB (GLAPIENTRY *wglCreatePbufferARBType)(HDC, int, int, int, const int *);

typedef HDC  (GLAPIENTRY *wglGetPbufferDCARBType)(HPBUFFERARB);

typedef int  (GLAPIENTRY *wglReleasePbufferDCARBType)(HPBUFFERARB, HDC);

typedef BOOL (GLAPIENTRY *wglDestroyPbufferARBType)(HPBUFFERARB);

typedef BOOL (GLAPIENTRY *wglQueryPbufferARBType)(HPBUFFERARB, int, int *);

typedef BOOL (GLAPIENTRY *wglMakeContextCurrentARBType)(HDC, HDC, HGLRC);

typedef const char *(GLAPIENTRY *wglGetExtensionsStringARBType)(HDC hdc);

#define OGL_LIB_HANDLE hDllOpenGL

#define OGL_DECLARE_LIB_HANDLE() \

    static HMODULE OGL_LIB_HANDLE = 0

#define OGL_LIB_IS_UNINITIALIZED() \

    (OGL_LIB_HANDLE == 0)

#define OGL_OPEN_LIB() \

    OGL_LIB_HANDLE = JDK_LoadSystemLibrary("opengl32.dll")

#define OGL_CLOSE_LIB() \

    FreeLibrary(OGL_LIB_HANDLE)

#define OGL_GET_PROC_ADDRESS(f) \

    GetProcAddress(OGL_LIB_HANDLE, #f)

#define OGL_GET_EXT_PROC_ADDRESS(f) \

    j2d_wglGetProcAddress((LPCSTR)#f)

#define OGL_EXPRESS_PLATFORM_FUNCS(action) \

    OGL_##action##_FUNC(wglCreateContext); \

    OGL_##action##_FUNC(wglDeleteContext); \

    OGL_##action##_FUNC(wglMakeCurrent); \

    OGL_##action##_FUNC(wglGetCurrentContext); \

    OGL_##action##_FUNC(wglGetCurrentDC); \

    OGL_##action##_FUNC(wglGetProcAddress); \

    OGL_##action##_FUNC(wglShareLists);

#define OGL_EXPRESS_PLATFORM_EXT_FUNCS(action) \

    OGL_##action##_EXT_FUNC(wglChoosePixelFormatARB); \

    OGL_##action##_EXT_FUNC(wglGetPixelFormatAttribivARB); \

    OGL_##action##_EXT_FUNC(wglCreatePbufferARB); \

    OGL_##action##_EXT_FUNC(wglGetPbufferDCARB); \

    OGL_##action##_EXT_FUNC(wglReleasePbufferDCARB); \

    OGL_##action##_EXT_FUNC(wglDestroyPbufferARB); \

    OGL_##action##_EXT_FUNC(wglQueryPbufferARB); \

    OGL_##action##_EXT_FUNC(wglMakeContextCurrentARB); \

    OGL_##action##_EXT_FUNC(wglGetExtensionsStringARB);

#endif /* OGLFuncs_md_h_Included */