Genesis-Plus-GX/source/gx/gx_video.h

66 lines
2.1 KiB
C

/****************************************************************************
* gx_video.c
*
* Genesis Plus GX video support
*
* code by Softdev (2006), Eke-Eke (2007,2008)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
***************************************************************************/
#ifndef _GC_VIDEO_H_
#define _GC_VIDEO_H_
/* EFB colors */
#define BLACK {0,0,0,0xff}
#define DARK_GREY {0x22,0x22,0x22,0xff}
#define WHITE {0xff,0xff,0xff,0xff}
/* image texture */
typedef struct
{
u8 *data;
u16 width;
u16 height;
u8 format;
} gx_texture;
/* Global variables */
extern unsigned int *xfb[2];
extern int whichfb;
extern GXRModeObj *vmode;
extern u8 *texturemem;
extern u8 gc_pal;
extern GXColor BACKGROUND;
/* GX video emulation functions */
extern void gx_video_init(void);
extern void gx_video_start(void);
extern void gx_video_stop(void);
extern void gx_video_update(void);
/* GX draw functions */
extern gx_texture *gxTextureOpenPNG(const u8 *buffer);
extern void gxTextureClose(gx_texture **p_texture);
extern void gxDrawScreenshot(u8 alpha);
extern void gxDrawTexture(gx_texture *texture, int x, int y, int w, int h, u8 alpha);
extern void gxDrawRepeat(gx_texture *texture, int x, int y, int w, int h);
extern void gxResetAngle(f32 angle);
extern void gxClearScreen (GXColor color);
extern void gxSetScreen ();
#endif