| /* |
| SDL - Simple DirectMedia Layer |
| Copyright (C) 1997-2006 Sam Lantinga |
| |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| This library 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 |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with this library; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| |
| Sam Lantinga |
| slouken@libsdl.org |
| */ |
| #include "SDL_config.h" |
| |
| #ifndef _SDL_gemvideo_h |
| #define _SDL_gemvideo_h |
| |
| #include "SDL_mutex.h" |
| #include "../SDL_sysvideo.h" |
| |
| /* The implementation dependent data for the window manager cursor */ |
| struct WMcursor { |
| MFORM *mform_p; |
| }; |
| |
| /* Hidden "this" pointer for the video functions */ |
| #define _THIS SDL_VideoDevice *this |
| |
| /* Functions prototypes */ |
| void GEM_wind_redraw(_THIS, int winhandle, short *inside); |
| |
| /* Private display data */ |
| |
| #define B2S_C2P_1TO2 (1<<0) /* C2P convert buffer 1 to buffer 2 */ |
| #define B2S_C2P_1TOS (1<<1) /* C2P convert buffer 1 to screen */ |
| #define B2S_VROCPYFM_1TOS (1<<2) /* vro_cpyfm() buffer 1 to screen */ |
| #define B2S_VROCPYFM_2TOS (1<<3) /* vro_cpyfm() buffer 2 to screen */ |
| |
| #define SDL_NUMMODES 1 /* Fullscreen */ |
| |
| struct SDL_PrivateVideoData { |
| Uint16 buf2scr_ops; /* Operations to get buffer to screen */ |
| void *buffer1; /* Our shadow buffers */ |
| void *buffer2; |
| |
| /* VDI infos */ |
| short vdi_handle; /* VDI handle */ |
| short full_w, full_h; /* Fullscreen size */ |
| short bpp; /* Colour depth */ |
| short pixelsize; /* Bytes per pixel */ |
| short old_numcolors; /* Number of colors in saved palette */ |
| Uint16 pitch; /* Line length */ |
| Uint16 format; /* Screen format */ |
| void *screen; /* Screen address */ |
| Uint32 red, green, blue, alpha; /* Screen components */ |
| Uint32 screensize; |
| short blit_coords[8]; /* Coordinates for bitblt */ |
| MFDB src_mfdb, dst_mfdb; /* VDI MFDB for bitblt */ |
| Uint16 old_palette[256][3]; /* Saved current palette */ |
| Uint16 cur_palette[256][3]; /* SDL application palette */ |
| /* Function to set/restore palette */ |
| void (*setpalette)(_THIS, Uint16 newpal[256][3]); |
| |
| /* GEM infos */ |
| short desk_x, desk_y; /* Desktop properties */ |
| short desk_w, desk_h; |
| short win_handle; /* Our window handle */ |
| int window_type; /* Window type */ |
| const char *title_name; /* Window title */ |
| const char *icon_name; /* Icon title */ |
| short version; /* AES version */ |
| short wfeatures; /* AES window features */ |
| SDL_bool refresh_name; /* Change window title ? */ |
| SDL_bool window_fulled; /* Window maximized ? */ |
| SDL_bool mouse_relative; /* Report relative mouse movement */ |
| SDL_bool locked; /* AES locked for fullscreen ? */ |
| SDL_bool lock_redraw; /* Prevent redraw till buffers are setup */ |
| short message[8]; /* To self-send an AES message */ |
| void *menubar; /* Menu bar save buffer when going fullscreen */ |
| SDL_bool use_dev_mouse; /* Use /dev/mouse ? */ |
| WMcursor *cursor; /* To restore cursor when leaving/entering window */ |
| |
| SDL_bool fullscreen; /* Fullscreen or windowed mode ? */ |
| SDL_Rect *SDL_modelist[SDL_NUMMODES+1]; /* Mode list */ |
| SDL_Surface *icon; /* The icon */ |
| }; |
| |
| /* Hidden structure -> variables names */ |
| #define VDI_handle (this->hidden->vdi_handle) |
| #define VDI_w (this->hidden->full_w) |
| #define VDI_h (this->hidden->full_h) |
| #define VDI_bpp (this->hidden->bpp) |
| #define VDI_pixelsize (this->hidden->pixelsize) |
| #define VDI_oldnumcolors (this->hidden->old_numcolors) |
| #define VDI_oldpalette (this->hidden->old_palette) |
| #define VDI_curpalette (this->hidden->cur_palette) |
| #define VDI_setpalette (this->hidden->setpalette) |
| #define VDI_pitch (this->hidden->pitch) |
| #define VDI_format (this->hidden->format) |
| #define VDI_screen (this->hidden->screen) |
| #define VDI_redmask (this->hidden->red) |
| #define VDI_greenmask (this->hidden->green) |
| #define VDI_bluemask (this->hidden->blue) |
| #define VDI_alphamask (this->hidden->alpha) |
| #define VDI_screensize (this->hidden->screensize) |
| #define VDI_src_mfdb (this->hidden->src_mfdb) |
| #define VDI_dst_mfdb (this->hidden->dst_mfdb) |
| #define VDI_blit_coords (this->hidden->blit_coords) |
| |
| #define GEM_desk_x (this->hidden->desk_x) |
| #define GEM_desk_y (this->hidden->desk_y) |
| #define GEM_desk_w (this->hidden->desk_w) |
| #define GEM_desk_h (this->hidden->desk_h) |
| #define GEM_handle (this->hidden->win_handle) |
| #define GEM_win_type (this->hidden->window_type) |
| #define GEM_title_name (this->hidden->title_name) |
| #define GEM_icon_name (this->hidden->icon_name) |
| #define GEM_refresh_name (this->hidden->refresh_name) |
| #define GEM_version (this->hidden->version) |
| #define GEM_wfeatures (this->hidden->wfeatures) |
| #define GEM_win_fulled (this->hidden->window_fulled) |
| #define GEM_mouse_relative (this->hidden->mouse_relative) |
| #define GEM_locked (this->hidden->locked) |
| #define GEM_lock_redraw (this->hidden->lock_redraw) |
| #define GEM_message (this->hidden->message) |
| #define SDL_modelist (this->hidden->SDL_modelist) |
| #define GEM_icon (this->hidden->icon) |
| #define GEM_fullscreen (this->hidden->fullscreen) |
| #define GEM_menubar (this->hidden->menubar) |
| #define GEM_usedevmouse (this->hidden->use_dev_mouse) |
| #define GEM_cursor (this->hidden->cursor) |
| |
| #define GEM_buffer1 (this->hidden->buffer1) |
| #define GEM_buffer2 (this->hidden->buffer2) |
| #define GEM_bufops (this->hidden->buf2scr_ops) |
| |
| #define VDI_FBMASK(amask, rmask, gmask, bmask) \ |
| VDI_alphamask = (amask); \ |
| VDI_redmask = (rmask); \ |
| VDI_greenmask = (gmask); \ |
| VDI_bluemask = (bmask); |
| |
| /* |
| Possible buffer to screen operations: |
| |
| TC: 8 (chunky),15,16,24,32 bpp |
| 8I: 8 bpp planes |
| FB: screen framebuffer address available |
| FS: fullscreen |
| |
| TC, FB, FS: |
| - draw to screen |
| 8I, FB, FS: |
| - draw to buffer 1 |
| - C2P from buffer 1 to screen |
| |
| TC, !FB, FS: |
| - draw to buffer 1 |
| - vro_cpyfm() from buffer 1 to screen |
| 8I, !FB, FS: |
| - draw to buffer 1 |
| - C2P from buffer 1 to buffer 2 |
| - vro_cpyfm() from buffer 2 to screen |
| |
| TC, FB, !FS: |
| - draw to buffer 1 |
| - vro_cpyfm() from buffer 1 to screen |
| 8I, FB, !FS: |
| - draw to buffer 1 |
| - C2P from buffer 1 to buffer 2 |
| - vro_cpyfm() from buffer 2 to screen |
| |
| TC, !FB, !FS: |
| - draw to buffer 1 |
| - vro_cpyfm() from buffer 1 to screen |
| 8I, !FB, !FS: |
| - draw to buffer 1 |
| - C2P from buffer 1 to buffer 2 |
| - vro_cpyfm() from buffer 2 to screen |
| */ |
| |
| #endif /* _SDL_gemvideo_h */ |