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Date: Sun, 22 Mar 2009 12:52:29 +0000 From: Luke Benstead Subject: OpenGL 3.0 Context Creation I've attached a patch which implements OpenGL 3.x context creation on the latest SVN. I've added two options to SDL_GL_SetAttribute, these are SDL_GL_CONTEXT_MAJOR_VERSION and SDL_GL_CONTEXT_MINOR_VERSION. These default to 2 and 1 respectively. If the major version is less than 3 then the current context creation method is used, otherwise the appropriate new context creation function is called (depending on the platform). Sample code: if (SDL_Init(SDL_INIT_VIDEO) != 0) { printf("Unable to initialize SDL: %s\n", SDL_GetError()); return 1; } SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3); //Without these 2 lines, SDL will create a GL 2.x context SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0); SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1); SDL_Surface* screen = SDL_SetVideoMode( 640, 480, 16, SDL_OPENGL | SDL_FULLSCREEN ); I've implemented context creation on both Win32 and X and run basic tests on both. This patch doesn't provide access to all the options allowed by the new context creation (e.g. shared contexts, forward compatible contexts) but they can be added pretty easily.
author Sam Lantinga <slouken@libsdl.org>
date Tue, 24 Mar 2009 10:43:53 +0000
parents d2f68ec8c1d0
children 6338b7f2d024
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/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997-2009 Sam Lantinga

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library 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
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    Sam Lantinga
    slouken@libsdl.org
*/
#include "SDL_config.h"

#ifndef _SDL_win32video_h
#define _SDL_win32video_h

#include "../SDL_sysvideo.h"

#define WIN32_LEAN_AND_MEAN
#define UNICODE
#define WINVER  0x500           /* Need 0x410 for AlphaBlend() and 0x500 for EnumDisplayDevices() */
#include <windows.h>

#if SDL_VIDEO_RENDER_D3D
//#include <d3d9.h>
#define D3D_DEBUG_INFO
#include "d3d9.h"
#endif

#include "wactab/wintab.h"
#define PACKETDATA ( PK_X | PK_Y | PK_BUTTONS | PK_NORMAL_PRESSURE | PK_CURSOR)
#define PACKETMODE 0
#include "wactab/pktdef.h"

#include "SDL_win32events.h"
#include "SDL_win32gamma.h"
#include "SDL_win32keyboard.h"
#include "SDL_win32modes.h"
#include "SDL_win32mouse.h"
#include "SDL_win32opengl.h"
#include "SDL_win32window.h"

#ifdef UNICODE
#define WIN_StringToUTF8(S) SDL_iconv_string("UTF-8", "UCS-2", (char *)S, (SDL_wcslen(S)+1)*sizeof(WCHAR))
#define WIN_UTF8ToString(S) (WCHAR *)SDL_iconv_string("UCS-2", "UTF-8", (char *)S, SDL_strlen(S)+1)
#else
#define WIN_StringToUTF8(S) SDL_iconv_string("UTF-8", "ASCII", (char *)S, (SDL_strlen(S)+1))
#define WIN_UTF8ToString(S) SDL_iconv_string("ASCII", "UTF-8", (char *)S, SDL_strlen(S)+1)
#endif

/* Private display data */

typedef struct SDL_VideoData
{
#if SDL_VIDEO_RENDER_D3D
    HANDLE d3dDLL;
    IDirect3D9 *d3d;
#endif
/* *INDENT-OFF* */
    /* Function pointers for the Wacom API */
    HANDLE wintabDLL;
    UINT (*WTInfoA) (UINT, UINT, LPVOID);
    HCTX (*WTOpenA) (HWND, LPLOGCONTEXTA, BOOL);
    int (*WTPacket) (HCTX, UINT, LPVOID);
    BOOL (*WTClose) (HCTX);
/* *INDENT-ON* */

    int keyboard;
    SDL_scancode *key_layout;
} SDL_VideoData;

#endif /* _SDL_win32video_h */

/* vi: set ts=4 sw=4 expandtab: */