mirror of
https://github.com/ekeeke/Genesis-Plus-GX.git
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74 lines
2.4 KiB
C
74 lines
2.4 KiB
C
/****************************************************************************
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* gx_video.c
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*
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* Genesis Plus GX video support
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*
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* Softdev (2006)
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* 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
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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
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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***************************************************************************/
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#ifndef _GC_VIDEO_H_
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#define _GC_VIDEO_H_
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/* EFB colors */
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#define BLACK {0,0,0,0xff}
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#define DARK_GREY {0x22,0x22,0x22,0xff}
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#define WHITE {0xff,0xff,0xff,0xff}
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/* image texture */
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typedef struct
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{
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u8 *data;
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u16 width;
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u16 height;
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u8 format;
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} gx_texture;
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/* Global variables */
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extern unsigned int *xfb[2];
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extern int whichfb;
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extern GXRModeObj *vmode;
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extern u8 *texturemem;
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extern u8 gc_pal;
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/* GX rendering */
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extern void gxDrawRectangle(s32 x, s32 y, s32 w, s32 h, u8 alpha, GXColor color);
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extern void gxDrawTexture(gx_texture *texture, s32 x, s32 y, s32 w, s32 h, u8 alpha);
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extern void gxDrawTextureRepeat(gx_texture *texture, s32 x, s32 y, s32 w, s32 h, u8 alpha);
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extern void gxDrawTextureRotate(gx_texture *texture, s32 x, s32 y, s32 w, s32 h, f32 angle, u8 alpha);
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extern void gxDrawScreenshot(u8 alpha);
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extern void gxCopyScreenshot(gx_texture *texture);
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extern void gxSaveScreenshot(char *filename);
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extern void gxClearScreen(GXColor color);
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extern void gxSetScreen(void);
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/* PNG textures */
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extern gx_texture *gxTextureOpenPNG(const u8 *png_data, FILE *png_file);
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extern void gxTextureWritePNG(gx_texture *p_texture, FILE *png_file);
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extern void gxTextureClose(gx_texture **p_texture);
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/* GX video engine */
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extern void gx_video_Init(void);
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extern void gx_video_Shutdown(void);
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extern void gx_video_Start(void);
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extern void gx_video_Stop(void);
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extern void gx_video_Update(void);
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#endif
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