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alexbevi
GitHub Repository: alexbevi/BizHawk
 Path: blob/master/libmupen64plus/mupen64plus-video-z64/src/rgl_osdep.cpp
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/*

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 * z64

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 *

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 * Copyright (C) 2007  ziggy

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 *

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

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 * it under the terms of the GNU General Public License as published by

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 * the Free Software Foundation; either version 2 of the License, or

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 * (at your option) any later version.

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 *

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 * This program is distributed in the hope that it will be useful,

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 * but WITHOUT ANY WARRANTY; without even the implied warranty of

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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

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 * GNU General Public License for more details.

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 *

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

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 * with this program; if not, write to the Free Software Foundation, Inc.,

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

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 *

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**/

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#include "rdp.h"

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#include "rgl.h"

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#include <SDL.h>

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SDL_Surface *sdl_Screen;

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int viewportOffset;

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/* definitions of pointers to Core video extension functions */

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extern ptr_VidExt_Init                  CoreVideo_Init;

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extern ptr_VidExt_Quit                  CoreVideo_Quit;

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extern ptr_VidExt_ListFullscreenModes   CoreVideo_ListFullscreenModes;

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extern ptr_VidExt_SetVideoMode          CoreVideo_SetVideoMode;

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extern ptr_VidExt_SetCaption            CoreVideo_SetCaption;

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extern ptr_VidExt_ToggleFullScreen      CoreVideo_ToggleFullScreen;

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extern ptr_VidExt_ResizeWindow          CoreVideo_ResizeWindow;

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extern ptr_VidExt_GL_GetProcAddress     CoreVideo_GL_GetProcAddress;

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extern ptr_VidExt_GL_SetAttribute       CoreVideo_GL_SetAttribute;

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extern ptr_VidExt_GL_SwapBuffers        CoreVideo_GL_SwapBuffers;

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//int screen_width = 640, screen_height = 480;

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int screen_width = 1024, screen_height = 768;

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//int screen_width = 320, screen_height = 240;

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int viewport_offset;

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void rglSwapBuffers()

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{

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	//TODO: if screenshot capabilities are ever implemented, replace the

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	//hard-coded 1 with a value indicating whether the screen has been redrawn

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    if (render_callback != NULL)

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        render_callback(1);

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    CoreVideo_GL_SwapBuffers();

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    return;

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}

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int rglOpenScreen()

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{

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    if (CoreVideo_Init() != M64ERR_SUCCESS) {

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        rdp_log(M64MSG_ERROR, "Could not initialize video.");

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        return 0;

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    }

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    if (rglStatus == RGL_STATUS_WINDOWED) {

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        screen_width = rglSettings.resX;

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        screen_height = rglSettings.resY;

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    } else {

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        screen_width = rglSettings.fsResX;

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        screen_height = rglSettings.fsResY;

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    }

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    m64p_video_mode screen_mode = M64VIDEO_WINDOWED;

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    if (rglSettings.fullscreen)

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        screen_mode = M64VIDEO_FULLSCREEN;

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    viewportOffset = 0;

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    if (CoreVideo_GL_SetAttribute(M64P_GL_DOUBLEBUFFER, 1) != M64ERR_SUCCESS ||

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        CoreVideo_GL_SetAttribute(M64P_GL_BUFFER_SIZE, 32) != M64ERR_SUCCESS ||

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        CoreVideo_GL_SetAttribute(M64P_GL_DEPTH_SIZE, 24)  != M64ERR_SUCCESS)

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    {

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        rdp_log(M64MSG_ERROR, "Could not set video attributes.");

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        return 0;

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    }

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    if (CoreVideo_SetVideoMode(screen_width, screen_height, 32, screen_mode, (m64p_video_flags) 0) != M64ERR_SUCCESS)

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    {

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        rdp_log(M64MSG_ERROR, "Could not set video mode.");

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        return 0;

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    }

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    CoreVideo_SetCaption("Z64gl");

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    rdp_init();

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    return 1;

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}

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void rglCloseScreen()

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{

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    rglClose();

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    CoreVideo_Quit();

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}

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