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

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/****************************************************************************
* gx_video.c
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*
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* Genesis Plus GX video support
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*
* Softdev (2006)
* Eke-Eke (2007,2008,2009)
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*
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* 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.
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*
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* 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
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*
***************************************************************************/
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#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 */
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extern unsigned int *xfb[2];
extern int whichfb;
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extern GXRModeObj *vmode;
extern u8 *texturemem;
extern u8 gc_pal;
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/* GX rendering */
extern void gxDrawRectangle(s32 x, s32 y, s32 w, s32 h, u8 alpha, GXColor color);
extern void gxDrawTexture(gx_texture *texture, s32 x, s32 y, s32 w, s32 h, u8 alpha);
extern void gxDrawTextureRepeat(gx_texture *texture, s32 x, s32 y, s32 w, s32 h, u8 alpha);
extern void gxDrawScreenshot(u8 alpha);
extern void gxCopyScreenshot(gx_texture *texture);
extern void gxResetAngle(f32 angle);
extern void gxClearScreen (GXColor color);
extern void gxSetScreen ();
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/* PNG textures */
extern gx_texture *gxTextureOpenPNG(const u8 *png_data, FILE *png_file);
extern void gxTextureWritePNG(gx_texture *p_texture, FILE *png_file);
extern void gxTextureClose(gx_texture **p_texture);
/* GX video engine */
extern void gx_video_Init(void);
extern void gx_video_Shutdown(void);
extern void gx_video_Start(void);
extern void gx_video_Stop(void);
extern void gx_video_Update(void);
extern void gx_video_Capture(void);
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#endif