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Annotation of previous/src/includes/screen.h, revision 1.1.1.3

1.1       root        1: /*
                      2:   Hatari - screen.h
                      3: 
                      4:   This file is distributed under the GNU Public License, version 2 or at your
                      5:   option any later version. Read the file gpl.txt for details.
                      6: */
                      7: 
                      8: #ifndef HATARI_SCREEN_H
                      9: #define HATARI_SCREEN_H
                     10: 
                     11: #include <SDL_video.h>    /* for SDL_Surface */
                     12: 
1.1.1.3 ! root       13: #if 1
        !            14: void SDL_UpdateRect(SDL_Surface *screen, Sint32 x, Sint32 y, Sint32 w, Sint32 h);
        !            15: void SDL_UpdateRects(SDL_Surface *screen, int numrects, SDL_Rect *rects);
        !            16: #endif
1.1       root       17: 
                     18: /* The 'screen' is a representation of the ST video memory     */
                     19: /* taking into account all the border tricks. Data are stored  */
                     20: /* in 'planar' format (1 word per plane) and are then converted        */
                     21: /* to an SDL buffer that will be displayed.                    */
                     22: /* So, all video lines are converted to a unique line of       */
                     23: /* SCREENBYTES_LINE bytes in planar format.                    */
                     24: /* SCREENBYTES_LINE should always be a multiple of 8.          */
                     25: 
                     26: /* left/right borders must be multiple of 8 bytes */
                     27: #define SCREENBYTES_LEFT    (nBorderPixelsLeft/2)  /* Bytes for left border */
                     28: #define SCREENBYTES_MIDDLE  160                    /* Middle (320 pixels) */
                     29: #define SCREENBYTES_RIGHT   (nBorderPixelsRight/2) /* Right border */
                     30: #define SCREENBYTES_LINE    (SCREENBYTES_LEFT+SCREENBYTES_MIDDLE+SCREENBYTES_RIGHT)
                     31: #define SCREENBYTES_MONOLINE 80         /* Byte per line in ST-high resolution */
                     32: 
                     33: 
                     34: 
                     35: /* Frame buffer, used to store details in screen conversion */
                     36: typedef struct
                     37: {
                     38:   Uint8 *pNEXTScreen;             /* Copy of screen built up during frame (copy each line on HBL to simulate monitor raster) */
                     39:   Uint8 *pNEXTScreenCopy;         /* Previous frames copy of above  */
                     40:   bool bFullUpdate;             /* Set TRUE to cause full update on next draw */
                     41: } FRAMEBUFFER;
                     42: 
                     43: /* Number of frame buffers (1 or 2) - should be 2 for supporting screen flipping */
                     44: #define NUM_FRAMEBUFFERS  2
                     45: 
                     46: 
                     47: /* ST/TT resolution defines */
                     48: enum
                     49: {
                     50:   ST_HIGH_RES,
                     51: };
                     52: #define ST_MEDIUM_RES_BIT 0x1
                     53: #define ST_RES_MASK 0x3
                     54: 
                     55: 
                     56: /* Palette mask values for 'HBLPaletteMask[]' */
                     57: #define PALETTEMASK_RESOLUTION  0x00040000
                     58: #define PALETTEMASK_PALETTE     0x0000ffff
                     59: #define PALETTEMASK_UPDATERES   0x20000000
                     60: #define PALETTEMASK_UPDATEPAL   0x40000000
                     61: #define PALETTEMASK_UPDATEFULL  0x80000000
                     62: #define PALETTEMASK_UPDATEMASK  (PALETTEMASK_UPDATEFULL|PALETTEMASK_UPDATEPAL|PALETTEMASK_UPDATERES)
                     63: 
                     64: /* Overscan values */
                     65: enum
                     66: {
                     67:   OVERSCANMODE_NONE,     /* 0x00 */
                     68:   OVERSCANMODE_TOP,      /* 0x01 */
                     69:   OVERSCANMODE_BOTTOM    /* 0x02 (Top+Bottom) 0x03 */
                     70: };
                     71: 
1.1.1.3 ! root       72: extern volatile bool bGrabMouse;
        !            73: extern volatile bool bInFullScreen;
        !            74: extern struct SDL_Window *sdlWindow;
1.1       root       75: extern SDL_Surface *sdlscrn;
                     76: 
                     77: extern void Screen_Init(void);
                     78: extern void Screen_UnInit(void);
                     79: extern void Screen_Reset(void);
                     80: extern void Screen_SetFullUpdate(void);
                     81: extern void Screen_EnterFullScreen(void);
                     82: extern void Screen_ReturnFromFullScreen(void);
                     83: extern void Screen_ModeChanged(void);
                     84: extern bool Screen_Draw(void);
                     85: 
                     86: #endif  /* ifndef HATARI_SCREEN_H */

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