diff options
Diffstat (limited to 'apps/plugins/sdl/src/video/picogui/SDL_pgvideo.c')
-rw-r--r-- | apps/plugins/sdl/src/video/picogui/SDL_pgvideo.c | 364 |
1 files changed, 364 insertions, 0 deletions
diff --git a/apps/plugins/sdl/src/video/picogui/SDL_pgvideo.c b/apps/plugins/sdl/src/video/picogui/SDL_pgvideo.c new file mode 100644 index 0000000000..18b3fe4e50 --- /dev/null +++ b/apps/plugins/sdl/src/video/picogui/SDL_pgvideo.c | |||
@@ -0,0 +1,364 @@ | |||
1 | /* | ||
2 | SDL - Simple DirectMedia Layer | ||
3 | Copyright (C) 1997-2012 Sam Lantinga | ||
4 | |||
5 | This library is free software; you can redistribute it and/or | ||
6 | modify it under the terms of the GNU Lesser General Public | ||
7 | License as published by the Free Software Foundation; either | ||
8 | version 2.1 of the License, or (at your option) any later version. | ||
9 | |||
10 | This library is distributed in the hope that it will be useful, | ||
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | Lesser General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Lesser General Public | ||
16 | License along with this library; if not, write to the Free Software | ||
17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
18 | |||
19 | Sam Lantinga | ||
20 | slouken@libsdl.org | ||
21 | |||
22 | Micah Dowty | ||
23 | micahjd@users.sourceforge.net | ||
24 | */ | ||
25 | #include "SDL_config.h" | ||
26 | |||
27 | #include "SDL_video.h" | ||
28 | #include "SDL_mouse.h" | ||
29 | #include "../SDL_sysvideo.h" | ||
30 | #include "../SDL_pixels_c.h" | ||
31 | #include "../../events/SDL_events_c.h" | ||
32 | |||
33 | #include "SDL_pgvideo.h" | ||
34 | #include "SDL_pgevents_c.h" | ||
35 | |||
36 | #define PGVID_DRIVER_NAME "picogui" | ||
37 | |||
38 | /* Initialization/Query functions */ | ||
39 | static int PG_VideoInit(_THIS, SDL_PixelFormat *vformat); | ||
40 | static SDL_Rect **PG_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags); | ||
41 | static SDL_Surface *PG_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); | ||
42 | static int PG_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors); | ||
43 | static void PG_VideoQuit(_THIS); | ||
44 | |||
45 | /* Hardware surface functions */ | ||
46 | static int PG_AllocHWSurface(_THIS, SDL_Surface *surface); | ||
47 | static int PG_LockHWSurface(_THIS, SDL_Surface *surface); | ||
48 | static void PG_UnlockHWSurface(_THIS, SDL_Surface *surface); | ||
49 | static void PG_FreeHWSurface(_THIS, SDL_Surface *surface); | ||
50 | |||
51 | /* etc. */ | ||
52 | static void PG_UpdateRects(_THIS, int numrects, SDL_Rect *rects); | ||
53 | |||
54 | // The implementation dependent data for the window manager cursor | ||
55 | struct WMcursor { | ||
56 | /* Our cursor is a PicoGUI theme */ | ||
57 | pghandle theme; | ||
58 | } ; | ||
59 | |||
60 | /* WM functions */ | ||
61 | void PG_SetCaption(_THIS, const char *title, const char *icon); | ||
62 | WMcursor * PG_CreateWMCursor (_THIS,Uint8 * data, Uint8 * mask, | ||
63 | int w, int h, int hot_x, int hot_y); | ||
64 | void PG_FreeWMCursor (_THIS, WMcursor * cursor); | ||
65 | void PG_WarpWMCursor(_THIS, Uint16 x, Uint16 y); | ||
66 | int PG_ShowWMCursor (_THIS, WMcursor * cursor); | ||
67 | |||
68 | /* PicoGUI driver bootstrap functions */ | ||
69 | |||
70 | static int PG_Available(void) | ||
71 | { | ||
72 | /* FIXME: The current client lib doesn't give a way to see if the picogui | ||
73 | * server is reachable without causing a fatal error if it isn't. | ||
74 | * This should be fixed in cli_c2, but until then assume we can | ||
75 | * connect. Since more common drivers like X11 are probed first anyway, | ||
76 | * this shouldn't be a huge problem. | ||
77 | */ | ||
78 | return(1); | ||
79 | } | ||
80 | |||
81 | static void PG_DeleteDevice(SDL_VideoDevice *device) | ||
82 | { | ||
83 | SDL_free(device->hidden); | ||
84 | SDL_free(device); | ||
85 | } | ||
86 | |||
87 | static SDL_VideoDevice *PG_CreateDevice(int devindex) | ||
88 | { | ||
89 | SDL_VideoDevice *device; | ||
90 | |||
91 | /* Initialize all variables that we clean on shutdown */ | ||
92 | device = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice)); | ||
93 | if ( device ) { | ||
94 | SDL_memset(device, 0, (sizeof *device)); | ||
95 | device->hidden = (struct SDL_PrivateVideoData *) | ||
96 | SDL_malloc((sizeof *device->hidden)); | ||
97 | } | ||
98 | if ( (device == NULL) || (device->hidden == NULL) ) { | ||
99 | SDL_OutOfMemory(); | ||
100 | if ( device ) { | ||
101 | SDL_free(device); | ||
102 | } | ||
103 | return(0); | ||
104 | } | ||
105 | SDL_memset(device->hidden, 0, (sizeof *device->hidden)); | ||
106 | |||
107 | /* Set the function pointers */ | ||
108 | device->VideoInit = PG_VideoInit; | ||
109 | device->ListModes = PG_ListModes; | ||
110 | device->SetVideoMode = PG_SetVideoMode; | ||
111 | device->CreateYUVOverlay = NULL; | ||
112 | device->SetColors = PG_SetColors; | ||
113 | device->UpdateRects = PG_UpdateRects; | ||
114 | device->VideoQuit = PG_VideoQuit; | ||
115 | device->AllocHWSurface = PG_AllocHWSurface; | ||
116 | device->CheckHWBlit = NULL; | ||
117 | device->FillHWRect = NULL; | ||
118 | device->SetHWColorKey = NULL; | ||
119 | device->SetHWAlpha = NULL; | ||
120 | device->LockHWSurface = PG_LockHWSurface; | ||
121 | device->UnlockHWSurface = PG_UnlockHWSurface; | ||
122 | device->FlipHWSurface = NULL; | ||
123 | device->FreeHWSurface = PG_FreeHWSurface; | ||
124 | device->SetCaption = PG_SetCaption; | ||
125 | device->SetIcon = NULL; | ||
126 | device->IconifyWindow = NULL; | ||
127 | device->GrabInput = NULL; | ||
128 | |||
129 | device->PumpEvents = PG_PumpEvents; | ||
130 | device->InitOSKeymap = PG_InitOSKeymap; | ||
131 | |||
132 | device->ShowWMCursor = PG_ShowWMCursor; | ||
133 | device->CreateWMCursor = PG_CreateWMCursor; | ||
134 | device->FreeWMCursor = PG_FreeWMCursor; | ||
135 | device->WarpWMCursor = PG_WarpWMCursor; | ||
136 | |||
137 | device->free = PG_DeleteDevice; | ||
138 | |||
139 | return device; | ||
140 | } | ||
141 | |||
142 | VideoBootStrap PG_bootstrap = { | ||
143 | PGVID_DRIVER_NAME, "PicoGUI SDL driver", | ||
144 | PG_Available, PG_CreateDevice | ||
145 | }; | ||
146 | |||
147 | |||
148 | int PG_VideoInit(_THIS, SDL_PixelFormat *vformat) | ||
149 | { | ||
150 | /* Connect to the PicoGUI server. No way to process command line args yet, | ||
151 | * but since this is based on SHM it's not important to be able to specify | ||
152 | * a remote PicoGUI server. | ||
153 | * | ||
154 | * FIXME: Another nitpick about the current client lib is there's no | ||
155 | * clean way to indicate that command line args are not available. | ||
156 | */ | ||
157 | pgInit(0,(char**)""); | ||
158 | this->hidden->mi = *pgGetVideoMode(); | ||
159 | |||
160 | /* Create a picogui application and canvas. We'll populate the canvas later. */ | ||
161 | this->hidden->wApp = pgRegisterApp(PG_APP_NORMAL,"SDL",0); | ||
162 | this->hidden->wCanvas = pgNewWidget(PG_WIDGET_CANVAS,0,0); | ||
163 | pgSetWidget(PGDEFAULT, | ||
164 | PG_WP_SIDE, PG_S_ALL, | ||
165 | 0); | ||
166 | |||
167 | PG_InitEvents(this); | ||
168 | |||
169 | /* Determine the current screen size */ | ||
170 | this->info.current_w = this->hidden->mi.lxres; | ||
171 | this->info.current_h = this->hidden->mi.lyres; | ||
172 | |||
173 | /* Determine the screen depth. | ||
174 | * We change this during the SDL_SetVideoMode implementation... | ||
175 | * Round up to the nearest Bytes per pixel | ||
176 | */ | ||
177 | vformat->BitsPerPixel = this->hidden->mi.bpp; | ||
178 | vformat->BytesPerPixel = this->hidden->mi.bpp >> 3; | ||
179 | if (this->hidden->mi.bpp & 7) | ||
180 | vformat->BytesPerPixel++; | ||
181 | |||
182 | /* We're done! */ | ||
183 | return(0); | ||
184 | } | ||
185 | |||
186 | SDL_Rect **PG_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) | ||
187 | { | ||
188 | return (SDL_Rect **) -1; | ||
189 | } | ||
190 | |||
191 | SDL_Surface *PG_SetVideoMode(_THIS, SDL_Surface *current, | ||
192 | int width, int height, int bpp, Uint32 flags) | ||
193 | { | ||
194 | if ( this->hidden->bitmap ) { | ||
195 | /* Free old bitmap */ | ||
196 | if (current->pixels) { | ||
197 | shmdt(current->pixels); | ||
198 | current->pixels = NULL; | ||
199 | } | ||
200 | pgDelete(this->hidden->bitmap); | ||
201 | } | ||
202 | |||
203 | /* Allocate the new pixel format for the screen */ | ||
204 | if ( ! SDL_ReallocFormat(current, bpp, 0, 0, 0, 0) ) { | ||
205 | SDL_SetError("Couldn't allocate new pixel format for requested mode"); | ||
206 | return(NULL); | ||
207 | } | ||
208 | |||
209 | /* Create a new picogui bitmap */ | ||
210 | this->hidden->bitmap = pgCreateBitmap(width,height); | ||
211 | this->hidden->shm = *pgMakeSHMBitmap(this->hidden->bitmap); | ||
212 | current->pixels = shmat(shmget(this->hidden->shm.shm_key, | ||
213 | this->hidden->shm.shm_length,0),NULL,0); | ||
214 | |||
215 | /* Reset the canvas, and draw persistent and incremental grops. | ||
216 | * Use mapping and offsets to center it. | ||
217 | */ | ||
218 | |||
219 | pgWriteCmd(this->hidden->wCanvas, PGCANVAS_NUKE, 0); | ||
220 | |||
221 | /* 0. Set the source position during incremental rendering | ||
222 | */ | ||
223 | pgWriteCmd(this->hidden->wCanvas, PGCANVAS_GROP, 5, PG_GROP_SETSRC,0,0,0,0); | ||
224 | pgWriteCmd(this->hidden->wCanvas, PGCANVAS_GROPFLAGS, 1, PG_GROPF_INCREMENTAL); | ||
225 | |||
226 | /* 1. Incremental bitmap rendering | ||
227 | */ | ||
228 | pgWriteCmd(this->hidden->wCanvas, PGCANVAS_GROP, 6, PG_GROP_BITMAP, | ||
229 | 0,0,0,0,this->hidden->bitmap); | ||
230 | pgWriteCmd(this->hidden->wCanvas, PGCANVAS_GROPFLAGS, 1, PG_GROPF_INCREMENTAL); | ||
231 | |||
232 | /* 2. Normal bitmap rendering | ||
233 | */ | ||
234 | pgWriteCmd(this->hidden->wCanvas, PGCANVAS_GROP, 6, PG_GROP_BITMAP, | ||
235 | 0,0,this->hidden->shm.width,this->hidden->shm.height,this->hidden->bitmap); | ||
236 | |||
237 | /* Set up the new mode framebuffer */ | ||
238 | current->flags = 0; | ||
239 | current->w = this->hidden->shm.width; | ||
240 | current->h = this->hidden->shm.height; | ||
241 | current->pitch = this->hidden->shm.pitch; | ||
242 | |||
243 | /* Set up pixel format */ | ||
244 | current->format->BitsPerPixel = this->hidden->shm.bpp; | ||
245 | current->format->BytesPerPixel = this->hidden->shm.bpp >> 3; | ||
246 | if (this->hidden->shm.bpp & 7) | ||
247 | current->format->BytesPerPixel++; | ||
248 | current->format->palette = NULL; | ||
249 | current->format->Rmask = this->hidden->shm.red_mask; | ||
250 | current->format->Gmask = this->hidden->shm.green_mask; | ||
251 | current->format->Bmask = this->hidden->shm.blue_mask; | ||
252 | current->format->Amask = this->hidden->shm.alpha_mask; | ||
253 | current->format->Rshift = this->hidden->shm.red_shift; | ||
254 | current->format->Gshift = this->hidden->shm.green_shift; | ||
255 | current->format->Bshift = this->hidden->shm.blue_shift; | ||
256 | current->format->Ashift = this->hidden->shm.alpha_shift; | ||
257 | current->format->Rloss = 8 - this->hidden->shm.red_length; | ||
258 | current->format->Gloss = 8 - this->hidden->shm.green_length; | ||
259 | current->format->Bloss = 8 - this->hidden->shm.blue_length; | ||
260 | current->format->Aloss = 8 - this->hidden->shm.alpha_length; | ||
261 | |||
262 | /* Draw the app */ | ||
263 | pgUpdate(); | ||
264 | |||
265 | /* We're done */ | ||
266 | return(current); | ||
267 | } | ||
268 | |||
269 | /* We don't actually allow hardware surfaces other than the main one */ | ||
270 | static int PG_AllocHWSurface(_THIS, SDL_Surface *surface) | ||
271 | { | ||
272 | return(-1); | ||
273 | } | ||
274 | static void PG_FreeHWSurface(_THIS, SDL_Surface *surface) | ||
275 | { | ||
276 | return; | ||
277 | } | ||
278 | |||
279 | /* We need to wait for vertical retrace on page flipped displays */ | ||
280 | static int PG_LockHWSurface(_THIS, SDL_Surface *surface) | ||
281 | { | ||
282 | return(0); | ||
283 | } | ||
284 | |||
285 | static void PG_UnlockHWSurface(_THIS, SDL_Surface *surface) | ||
286 | { | ||
287 | return; | ||
288 | } | ||
289 | |||
290 | static void PG_UpdateRects(_THIS, int numrects, SDL_Rect *rects) | ||
291 | { | ||
292 | int i; | ||
293 | |||
294 | for (i = 0; i < numrects; i++) { | ||
295 | if (rects[i].w <= 0 || rects[i].h <= 0) | ||
296 | continue; | ||
297 | |||
298 | /* Schedule an incremental update for this rectangle, using | ||
299 | * the canvas gropnodes we've loaded beforehand. | ||
300 | */ | ||
301 | pgWriteCmd(this->hidden->wCanvas, PGCANVAS_FINDGROP, 1, 0); | ||
302 | pgWriteCmd(this->hidden->wCanvas, PGCANVAS_MOVEGROP, 4, | ||
303 | rects[i].x, rects[i].y, | ||
304 | rects[i].w, rects[i].h); | ||
305 | pgWriteCmd(this->hidden->wCanvas, PGCANVAS_FINDGROP, 1, 1); | ||
306 | pgWriteCmd(this->hidden->wCanvas, PGCANVAS_MOVEGROP, 4, | ||
307 | rects[i].x, rects[i].y, | ||
308 | rects[i].w, rects[i].h); | ||
309 | |||
310 | /* Go perform the update */ | ||
311 | pgWriteCmd(this->hidden->wCanvas, PGCANVAS_INCREMENTAL, 0); | ||
312 | pgSubUpdate(this->hidden->wCanvas); | ||
313 | } | ||
314 | } | ||
315 | |||
316 | int PG_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) | ||
317 | { | ||
318 | /* do nothing of note. */ | ||
319 | return(1); | ||
320 | } | ||
321 | |||
322 | /* Note: If we are terminated, this could be called in the middle of | ||
323 | another SDL video routine -- notably UpdateRects. | ||
324 | */ | ||
325 | void PG_VideoQuit(_THIS) | ||
326 | { | ||
327 | if (this->screen->pixels != NULL) | ||
328 | { | ||
329 | shmdt(this->screen->pixels); | ||
330 | this->screen->pixels = NULL; | ||
331 | pgDelete(this->hidden->bitmap); | ||
332 | } | ||
333 | pgDelete(this->hidden->wCanvas); | ||
334 | pgDelete(this->hidden->wApp); | ||
335 | } | ||
336 | |||
337 | void PG_SetCaption(_THIS, const char *title, const char *icon) | ||
338 | { | ||
339 | if (title != NULL) | ||
340 | pgReplaceText(this->hidden->wApp, title); | ||
341 | pgUpdate(); | ||
342 | } | ||
343 | |||
344 | /* FIXME: The cursor stuff isn't implemented yet! */ | ||
345 | |||
346 | WMcursor * PG_CreateWMCursor (_THIS,Uint8 * data, Uint8 * mask, | ||
347 | int w, int h, int hot_x, int hot_y) | ||
348 | { | ||
349 | static WMcursor dummy; | ||
350 | return &dummy; | ||
351 | } | ||
352 | |||
353 | void PG_FreeWMCursor (_THIS, WMcursor * cursor) | ||
354 | { | ||
355 | } | ||
356 | |||
357 | void PG_WarpWMCursor(_THIS, Uint16 x, Uint16 y) | ||
358 | { | ||
359 | } | ||
360 | |||
361 | int PG_ShowWMCursor (_THIS, WMcursor * cursor) | ||
362 | { | ||
363 | return 1; | ||
364 | } | ||