diff options
Diffstat (limited to 'apps/plugins/sdl/src/video/nanox/SDL_nxvideo.c')
-rw-r--r-- | apps/plugins/sdl/src/video/nanox/SDL_nxvideo.c | 544 |
1 files changed, 0 insertions, 544 deletions
diff --git a/apps/plugins/sdl/src/video/nanox/SDL_nxvideo.c b/apps/plugins/sdl/src/video/nanox/SDL_nxvideo.c deleted file mode 100644 index b188e09581..0000000000 --- a/apps/plugins/sdl/src/video/nanox/SDL_nxvideo.c +++ /dev/null | |||
@@ -1,544 +0,0 @@ | |||
1 | /* | ||
2 | SDL - Simple DirectMedia Layer | ||
3 | Copyright (C) 1997-2012 Sam Lantinga | ||
4 | Copyright (C) 2001 Hsieh-Fu Tsai | ||
5 | Copyright (C) 2002 Greg Haerr <greg@censoft.com> | ||
6 | |||
7 | This library is free software; you can redistribute it and/or | ||
8 | modify it under the terms of the GNU Library General Public | ||
9 | License as published by the Free Software Foundation; either | ||
10 | version 2 of the License, or (at your option) any later version. | ||
11 | |||
12 | This library is distributed in the hope that it will be useful, | ||
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
15 | Library General Public License for more details. | ||
16 | |||
17 | You should have received a copy of the GNU Library General Public | ||
18 | License along with this library; if not, write to the Free | ||
19 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
20 | |||
21 | Sam Lantinga | ||
22 | slouken@libsdl.org | ||
23 | |||
24 | Hsieh-Fu Tsai | ||
25 | clare@setabox.com | ||
26 | */ | ||
27 | #include "SDL_config.h" | ||
28 | |||
29 | #include "SDL_thread.h" | ||
30 | #include "SDL_video.h" | ||
31 | #include "../SDL_pixels_c.h" | ||
32 | #include "../../events/SDL_events_c.h" | ||
33 | |||
34 | #define MWINCLUDECOLORS | ||
35 | #include "SDL_nxvideo.h" | ||
36 | #include "SDL_nxmodes_c.h" | ||
37 | #include "SDL_nxwm_c.h" | ||
38 | #include "SDL_nxmouse_c.h" | ||
39 | #include "SDL_nximage_c.h" | ||
40 | #include "SDL_nxevents_c.h" | ||
41 | |||
42 | // Initialization/Query functions | ||
43 | static int NX_VideoInit (_THIS, SDL_PixelFormat * vformat) ; | ||
44 | static SDL_Surface * NX_SetVideoMode (_THIS, SDL_Surface * current, int width, int height, int bpp, Uint32 flags) ; | ||
45 | static int NX_SetColors (_THIS, int firstcolor, int ncolors, SDL_Color * colors) ; | ||
46 | static void NX_VideoQuit (_THIS) ; | ||
47 | static void NX_DestroyWindow (_THIS, SDL_Surface * screen) ; | ||
48 | static int NX_ToggleFullScreen (_THIS, int on) ; | ||
49 | static void NX_UpdateMouse (_THIS) ; | ||
50 | static int NX_SetGammaRamp (_THIS, Uint16 * ramp) ; | ||
51 | static int NX_GetGammaRamp (_THIS, Uint16 * ramp) ; | ||
52 | |||
53 | // Microwin driver bootstrap functions | ||
54 | static int NX_Available () | ||
55 | { | ||
56 | Dprintf ("enter NX_Available\n") ; | ||
57 | |||
58 | if (GrOpen () < 0) return 0 ; | ||
59 | GrClose () ; | ||
60 | |||
61 | Dprintf ("leave NX_Available\n") ; | ||
62 | return 1 ; | ||
63 | } | ||
64 | |||
65 | static void NX_DeleteDevice (SDL_VideoDevice * device) | ||
66 | { | ||
67 | Dprintf ("enter NX_DeleteDevice\n") ; | ||
68 | |||
69 | if (device) { | ||
70 | if (device -> hidden) SDL_free (device -> hidden) ; | ||
71 | if (device -> gl_data) SDL_free (device -> gl_data) ; | ||
72 | SDL_free (device) ; | ||
73 | } | ||
74 | |||
75 | Dprintf ("leave NX_DeleteDevice\n") ; | ||
76 | } | ||
77 | |||
78 | static SDL_VideoDevice * NX_CreateDevice (int devindex) | ||
79 | { | ||
80 | SDL_VideoDevice * device ; | ||
81 | |||
82 | Dprintf ("enter NX_CreateDevice\n") ; | ||
83 | |||
84 | // Initialize all variables that we clean on shutdown | ||
85 | device = (SDL_VideoDevice *) SDL_malloc (sizeof (SDL_VideoDevice)) ; | ||
86 | if (device) { | ||
87 | SDL_memset (device, 0, (sizeof * device)) ; | ||
88 | device -> hidden = (struct SDL_PrivateVideoData *) | ||
89 | SDL_malloc ((sizeof * device -> hidden)) ; | ||
90 | device -> gl_data = NULL ; | ||
91 | } | ||
92 | if ((device == NULL) || (device -> hidden == NULL)) { | ||
93 | SDL_OutOfMemory () ; | ||
94 | NX_DeleteDevice (device) ; | ||
95 | return 0 ; | ||
96 | } | ||
97 | SDL_memset (device -> hidden, 0, (sizeof * device -> hidden)) ; | ||
98 | |||
99 | // Set the function pointers | ||
100 | device -> VideoInit = NX_VideoInit ; | ||
101 | device -> ListModes = NX_ListModes ; | ||
102 | device -> SetVideoMode = NX_SetVideoMode ; | ||
103 | device -> ToggleFullScreen = NX_ToggleFullScreen ; | ||
104 | device -> UpdateMouse = NX_UpdateMouse ; | ||
105 | device -> CreateYUVOverlay = NULL ; | ||
106 | device -> SetColors = NX_SetColors ; | ||
107 | device -> UpdateRects = NULL ; | ||
108 | device -> VideoQuit = NX_VideoQuit; | ||
109 | device -> AllocHWSurface = NULL ; | ||
110 | device -> CheckHWBlit = NULL ; | ||
111 | device -> FillHWRect = NULL ; | ||
112 | device -> SetHWColorKey = NULL ; | ||
113 | device -> SetHWAlpha = NULL ; | ||
114 | device -> LockHWSurface = NULL ; | ||
115 | device -> UnlockHWSurface = NULL ; | ||
116 | device -> FlipHWSurface = NULL ; | ||
117 | device -> FreeHWSurface = NULL ; | ||
118 | device -> SetGamma = NULL ; | ||
119 | device -> GetGamma = NULL ; | ||
120 | device -> SetGammaRamp = NX_SetGammaRamp ; | ||
121 | device -> GetGammaRamp = NX_GetGammaRamp ; | ||
122 | |||
123 | #if SDL_VIDEO_OPENGL | ||
124 | device -> GL_LoadLibrary = NULL ; | ||
125 | device -> GL_GetProcAddress = NULL ; | ||
126 | device -> GL_GetAttribute = NULL ; | ||
127 | device -> GL_MakeCurrent = NULL ; | ||
128 | device -> GL_SwapBuffers = NULL ; | ||
129 | #endif | ||
130 | |||
131 | device -> SetIcon = NULL ; | ||
132 | device -> SetCaption = NX_SetCaption; | ||
133 | device -> IconifyWindow = NULL ; | ||
134 | device -> GrabInput = NULL ; | ||
135 | device -> GetWMInfo = NX_GetWMInfo ; | ||
136 | device -> FreeWMCursor = NX_FreeWMCursor ; | ||
137 | device -> CreateWMCursor = NX_CreateWMCursor ; | ||
138 | device -> ShowWMCursor = NX_ShowWMCursor ; | ||
139 | device -> WarpWMCursor = NX_WarpWMCursor ; | ||
140 | device -> CheckMouseMode = NULL ; | ||
141 | device -> InitOSKeymap = NX_InitOSKeymap ; | ||
142 | device -> PumpEvents = NX_PumpEvents ; | ||
143 | |||
144 | device -> free = NX_DeleteDevice ; | ||
145 | |||
146 | Dprintf ("leave NX_CreateDevice\n") ; | ||
147 | return device ; | ||
148 | } | ||
149 | |||
150 | VideoBootStrap NX_bootstrap = { | ||
151 | "nanox", "nanox", NX_Available, NX_CreateDevice | ||
152 | } ; | ||
153 | |||
154 | static void create_aux_windows (_THIS) | ||
155 | { | ||
156 | GR_WM_PROPERTIES props ; | ||
157 | |||
158 | Dprintf ("enter create_aux_windows\n") ; | ||
159 | |||
160 | // Don't create any extra windows if we are being managed | ||
161 | if (SDL_windowid) { | ||
162 | FSwindow = 0 ; | ||
163 | return ; | ||
164 | } | ||
165 | |||
166 | if (FSwindow && FSwindow != GR_ROOT_WINDOW_ID) { | ||
167 | GrDestroyWindow (FSwindow) ; | ||
168 | } | ||
169 | |||
170 | FSwindow = GrNewWindow (GR_ROOT_WINDOW_ID, 0, 0, 1, 1, 0, BLACK, BLACK) ; | ||
171 | props.flags = GR_WM_FLAGS_PROPS ; | ||
172 | props.props = GR_WM_PROPS_NODECORATE ; | ||
173 | GrSetWMProperties (FSwindow, & props) ; | ||
174 | |||
175 | GrSelectEvents (FSwindow, (GR_EVENT_MASK_EXPOSURE | | ||
176 | GR_EVENT_MASK_BUTTON_DOWN | GR_EVENT_MASK_BUTTON_UP | | ||
177 | GR_EVENT_MASK_FOCUS_IN | GR_EVENT_MASK_FOCUS_OUT | | ||
178 | GR_EVENT_MASK_KEY_DOWN | GR_EVENT_MASK_KEY_UP | | ||
179 | GR_EVENT_MASK_MOUSE_ENTER | GR_EVENT_MASK_MOUSE_EXIT | | ||
180 | GR_EVENT_MASK_MOUSE_MOTION | GR_EVENT_MASK_UPDATE | | ||
181 | GR_EVENT_MASK_CLOSE_REQ)) ; | ||
182 | |||
183 | Dprintf ("leave create_aux_windows\n") ; | ||
184 | } | ||
185 | |||
186 | int NX_VideoInit (_THIS, SDL_PixelFormat * vformat) | ||
187 | { | ||
188 | GR_SCREEN_INFO si ; | ||
189 | |||
190 | Dprintf ("enter NX_VideoInit\n") ; | ||
191 | |||
192 | if (GrOpen () < 0) { | ||
193 | SDL_SetError ("GrOpen() fail") ; | ||
194 | return -1 ; | ||
195 | } | ||
196 | |||
197 | // use share memory to speed up | ||
198 | #ifdef NANOX_SHARE_MEMORY | ||
199 | GrReqShmCmds (0xFFFF); | ||
200 | #endif | ||
201 | |||
202 | SDL_Window = 0 ; | ||
203 | FSwindow = 0 ; | ||
204 | |||
205 | GammaRamp_R = NULL ; | ||
206 | GammaRamp_G = NULL ; | ||
207 | GammaRamp_B = NULL ; | ||
208 | |||
209 | GrGetScreenInfo (& si) ; | ||
210 | SDL_Visual.bpp = si.bpp ; | ||
211 | |||
212 | /* Determine the current screen size */ | ||
213 | this->info.current_w = si.cols ; | ||
214 | this->info.current_h = si.rows ; | ||
215 | |||
216 | // GetVideoMode | ||
217 | SDL_modelist = (SDL_Rect **) SDL_malloc (sizeof (SDL_Rect *) * 2) ; | ||
218 | if (SDL_modelist) { | ||
219 | SDL_modelist [0] = (SDL_Rect *) SDL_malloc (sizeof(SDL_Rect)) ; | ||
220 | if (SDL_modelist [0]) { | ||
221 | SDL_modelist [0] -> x = 0 ; | ||
222 | SDL_modelist [0] -> y = 0 ; | ||
223 | SDL_modelist [0] -> w = si.cols ; | ||
224 | SDL_modelist [0] -> h = si.rows ; | ||
225 | } | ||
226 | SDL_modelist [1] = NULL ; | ||
227 | } | ||
228 | |||
229 | pixel_type = si.pixtype; | ||
230 | SDL_Visual.red_mask = si.rmask; | ||
231 | SDL_Visual.green_mask = si.gmask; | ||
232 | SDL_Visual.blue_mask = si.bmask; | ||
233 | |||
234 | vformat -> BitsPerPixel = SDL_Visual.bpp ; | ||
235 | if (vformat -> BitsPerPixel > 8) { | ||
236 | vformat -> Rmask = SDL_Visual.red_mask ; | ||
237 | vformat -> Gmask = SDL_Visual.green_mask ; | ||
238 | vformat -> Bmask = SDL_Visual.blue_mask ; | ||
239 | } | ||
240 | |||
241 | // See if we have been passed a window to use | ||
242 | SDL_windowid = getenv ("SDL_WINDOWID") ; | ||
243 | |||
244 | // Create the fullscreen (and managed windows : no implement) | ||
245 | create_aux_windows (this) ; | ||
246 | |||
247 | Dprintf ("leave NX_VideoInit\n") ; | ||
248 | return 0 ; | ||
249 | } | ||
250 | |||
251 | void NX_VideoQuit (_THIS) | ||
252 | { | ||
253 | Dprintf ("enter NX_VideoQuit\n") ; | ||
254 | |||
255 | // Start shutting down the windows | ||
256 | NX_DestroyImage (this, this -> screen) ; | ||
257 | NX_DestroyWindow (this, this -> screen) ; | ||
258 | if (FSwindow && FSwindow != GR_ROOT_WINDOW_ID) { | ||
259 | GrDestroyWindow (FSwindow) ; | ||
260 | } | ||
261 | NX_FreeVideoModes (this) ; | ||
262 | SDL_free (GammaRamp_R) ; | ||
263 | SDL_free (GammaRamp_G) ; | ||
264 | SDL_free (GammaRamp_B) ; | ||
265 | |||
266 | #ifdef ENABLE_NANOX_DIRECT_FB | ||
267 | if (Clientfb) | ||
268 | GrCloseClientFramebuffer(); | ||
269 | #endif | ||
270 | GrClose () ; | ||
271 | |||
272 | Dprintf ("leave NX_VideoQuit\n") ; | ||
273 | } | ||
274 | |||
275 | static void NX_DestroyWindow (_THIS, SDL_Surface * screen) | ||
276 | { | ||
277 | Dprintf ("enter NX_DestroyWindow\n") ; | ||
278 | |||
279 | if (! SDL_windowid) { | ||
280 | if (screen && (screen -> flags & SDL_FULLSCREEN)) { | ||
281 | screen -> flags &= ~ SDL_FULLSCREEN ; | ||
282 | NX_LeaveFullScreen (this) ; | ||
283 | } | ||
284 | |||
285 | // Destroy the output window | ||
286 | if (SDL_Window && SDL_Window != GR_ROOT_WINDOW_ID) { | ||
287 | GrDestroyWindow (SDL_Window) ; | ||
288 | } | ||
289 | } | ||
290 | |||
291 | // Free the graphics context | ||
292 | if (! SDL_GC) { | ||
293 | GrDestroyGC (SDL_GC) ; | ||
294 | SDL_GC = 0; | ||
295 | } | ||
296 | |||
297 | Dprintf ("leave NX_DestroyWindow\n") ; | ||
298 | } | ||
299 | |||
300 | static int NX_CreateWindow (_THIS, SDL_Surface * screen, | ||
301 | int w, int h, int bpp, Uint32 flags) | ||
302 | { | ||
303 | Dprintf ("enter NX_CreateWindow\n") ; | ||
304 | |||
305 | // If a window is already present, destroy it and start fresh | ||
306 | if (SDL_Window && SDL_Window != GR_ROOT_WINDOW_ID) { | ||
307 | NX_DestroyWindow (this, screen) ; | ||
308 | } | ||
309 | |||
310 | // See if we have been given a window id | ||
311 | if (SDL_windowid) { | ||
312 | SDL_Window = SDL_strtol (SDL_windowid, NULL, 0) ; | ||
313 | } else { | ||
314 | SDL_Window = 0 ; | ||
315 | } | ||
316 | |||
317 | if ( ! SDL_ReallocFormat (screen, bpp, SDL_Visual.red_mask, | ||
318 | SDL_Visual.green_mask, SDL_Visual.blue_mask, 0)) | ||
319 | return -1; | ||
320 | |||
321 | // Create (or use) the nanox display window | ||
322 | if (! SDL_windowid) { | ||
323 | |||
324 | SDL_Window = GrNewWindow (GR_ROOT_WINDOW_ID, 0, 0, w, h, 0, BLACK, WHITE) ; | ||
325 | |||
326 | GrSelectEvents (SDL_Window, (GR_EVENT_MASK_EXPOSURE | | ||
327 | GR_EVENT_MASK_BUTTON_DOWN | GR_EVENT_MASK_BUTTON_UP | | ||
328 | GR_EVENT_MASK_FOCUS_IN | GR_EVENT_MASK_FOCUS_OUT | | ||
329 | GR_EVENT_MASK_KEY_DOWN | GR_EVENT_MASK_KEY_UP | | ||
330 | GR_EVENT_MASK_MOUSE_ENTER | GR_EVENT_MASK_MOUSE_EXIT | | ||
331 | GR_EVENT_MASK_MOUSE_MOTION | GR_EVENT_MASK_UPDATE | | ||
332 | GR_EVENT_MASK_CLOSE_REQ)) ; | ||
333 | } | ||
334 | |||
335 | /* Create the graphics context here, once we have a window */ | ||
336 | SDL_GC = GrNewGC () ; | ||
337 | if (SDL_GC == 0) { | ||
338 | SDL_SetError("Couldn't create graphics context"); | ||
339 | return(-1); | ||
340 | } | ||
341 | |||
342 | // Map them both and go fullscreen, if requested | ||
343 | if (! SDL_windowid) { | ||
344 | GrMapWindow (SDL_Window) ; | ||
345 | if (flags & SDL_FULLSCREEN) { | ||
346 | screen -> flags |= SDL_FULLSCREEN ; | ||
347 | NX_EnterFullScreen (this) ; | ||
348 | } else { | ||
349 | screen -> flags &= ~ SDL_FULLSCREEN ; | ||
350 | } | ||
351 | } | ||
352 | |||
353 | #ifdef ENABLE_NANOX_DIRECT_FB | ||
354 | /* attempt allocating the client side framebuffer */ | ||
355 | Clientfb = GrOpenClientFramebuffer(); | ||
356 | /* NULL return will default to using GrArea()*/ | ||
357 | #endif | ||
358 | |||
359 | Dprintf ("leave NX_CreateWindow\n") ; | ||
360 | return 0 ; | ||
361 | } | ||
362 | |||
363 | SDL_Surface * NX_SetVideoMode (_THIS, SDL_Surface * current, | ||
364 | int width, int height, int bpp, Uint32 flags) | ||
365 | { | ||
366 | Dprintf ("enter NX_SetVideoMode\n") ; | ||
367 | |||
368 | // Lock the event thread, in multi-threading environments | ||
369 | SDL_Lock_EventThread () ; | ||
370 | |||
371 | bpp = SDL_Visual.bpp ; | ||
372 | if (NX_CreateWindow (this, current, width, height, bpp, flags) < 0) { | ||
373 | current = NULL; | ||
374 | goto done; | ||
375 | } | ||
376 | |||
377 | if (current -> w != width || current -> h != height) { | ||
378 | current -> w = width ; | ||
379 | current -> h = height ; | ||
380 | current -> pitch = SDL_CalculatePitch (current) ; | ||
381 | NX_ResizeImage (this, current, flags) ; | ||
382 | } | ||
383 | |||
384 | /* Clear these flags and set them only if they are in the new set. */ | ||
385 | current -> flags &= ~(SDL_RESIZABLE|SDL_NOFRAME); | ||
386 | current -> flags |= (flags & (SDL_RESIZABLE | SDL_NOFRAME)) ; | ||
387 | |||
388 | done: | ||
389 | SDL_Unlock_EventThread () ; | ||
390 | |||
391 | Dprintf ("leave NX_SetVideoMode\n") ; | ||
392 | |||
393 | // We're done! | ||
394 | return current ; | ||
395 | } | ||
396 | |||
397 | // ncolors <= 256 | ||
398 | int NX_SetColors (_THIS, int firstcolor, int ncolors, SDL_Color * colors) | ||
399 | { | ||
400 | int i ; | ||
401 | GR_PALETTE pal ; | ||
402 | |||
403 | Dprintf ("enter NX_SetColors\n") ; | ||
404 | |||
405 | if (ncolors > 256) return 0 ; | ||
406 | |||
407 | pal.count = ncolors ; | ||
408 | for (i = 0; i < ncolors; ++ i) { | ||
409 | pal.palette [i].r = colors [i].r ; | ||
410 | pal.palette [i].g = colors [i].g ; | ||
411 | pal.palette [i].b = colors [i].b ; | ||
412 | } | ||
413 | GrSetSystemPalette (firstcolor, & pal) ; | ||
414 | |||
415 | Dprintf ("leave NX_SetColors\n") ; | ||
416 | return 1 ; | ||
417 | } | ||
418 | |||
419 | static int NX_ToggleFullScreen (_THIS, int on) | ||
420 | { | ||
421 | SDL_Rect rect ; | ||
422 | Uint32 event_thread ; | ||
423 | |||
424 | Dprintf ("enter NX_ToggleFullScreen\n") ; | ||
425 | |||
426 | // Don't switch if we don't own the window | ||
427 | if (SDL_windowid) return 0 ; | ||
428 | |||
429 | // Don't lock if we are the event thread | ||
430 | event_thread = SDL_EventThreadID () ; | ||
431 | if (event_thread && (SDL_ThreadID () == event_thread)) { | ||
432 | event_thread = 0 ; | ||
433 | } | ||
434 | if (event_thread) { | ||
435 | SDL_Lock_EventThread() ; | ||
436 | } | ||
437 | |||
438 | if (on) { | ||
439 | NX_EnterFullScreen (this) ; | ||
440 | } else { | ||
441 | this -> screen -> flags &= ~ SDL_FULLSCREEN ; | ||
442 | NX_LeaveFullScreen (this) ; | ||
443 | } | ||
444 | |||
445 | rect.x = rect.y = 0 ; | ||
446 | rect.w = this -> screen -> w, rect.h = this -> screen -> h ; | ||
447 | NX_NormalUpdate (this, 1, & rect) ; | ||
448 | |||
449 | if (event_thread) { | ||
450 | SDL_Unlock_EventThread () ; | ||
451 | } | ||
452 | |||
453 | Dprintf ("leave NX_ToggleFullScreen\n") ; | ||
454 | return 1 ; | ||
455 | } | ||
456 | |||
457 | // Update the current mouse state and position | ||
458 | static void NX_UpdateMouse (_THIS) | ||
459 | { | ||
460 | int x, y ; | ||
461 | GR_WINDOW_INFO info ; | ||
462 | GR_SCREEN_INFO si ; | ||
463 | |||
464 | |||
465 | Dprintf ("enter NX_UpdateMouse\n") ; | ||
466 | |||
467 | // Lock the event thread, in multi-threading environments | ||
468 | SDL_Lock_EventThread () ; | ||
469 | |||
470 | GrGetScreenInfo (& si) ; | ||
471 | GrGetWindowInfo (SDL_Window, & info) ; | ||
472 | x = si.xpos - info.x ; | ||
473 | y = si.ypos - info.y ; | ||
474 | if (x >= 0 && x <= info.width && y >= 0 && y <= info.height) { | ||
475 | SDL_PrivateAppActive (1, SDL_APPMOUSEFOCUS) ; | ||
476 | SDL_PrivateMouseMotion (0, 0, x, y); | ||
477 | } else { | ||
478 | SDL_PrivateAppActive (0, SDL_APPMOUSEFOCUS) ; | ||
479 | } | ||
480 | |||
481 | SDL_Unlock_EventThread () ; | ||
482 | Dprintf ("leave NX_UpdateMouse\n") ; | ||
483 | } | ||
484 | |||
485 | static int NX_SetGammaRamp (_THIS, Uint16 * ramp) | ||
486 | { | ||
487 | int i ; | ||
488 | Uint16 * red, * green, * blue ; | ||
489 | |||
490 | Dprintf ("enter NX_SetGammaRamp\n") ; | ||
491 | |||
492 | if (SDL_Visual.bpp != 32 && SDL_Visual.bpp != 24) return -1 ; | ||
493 | |||
494 | if (! GammaRamp_R) GammaRamp_R = (Uint16 *) SDL_malloc (sizeof (Uint16) * CI_SIZE) ; | ||
495 | if (! GammaRamp_G) GammaRamp_G = (Uint16 *) SDL_malloc (sizeof (Uint16) * CI_SIZE) ; | ||
496 | if (! GammaRamp_B) GammaRamp_B = (Uint16 *) SDL_malloc (sizeof (Uint16) * CI_SIZE) ; | ||
497 | if ((! GammaRamp_R) || (! GammaRamp_G) || (! GammaRamp_B)) { | ||
498 | SDL_OutOfMemory () ; | ||
499 | return -1 ; | ||
500 | } | ||
501 | |||
502 | for (i = 0; i < CI_SIZE; ++ i) | ||
503 | GammaRamp_R [i] = GammaRamp_G [i] = GammaRamp_B [i] = i ; | ||
504 | |||
505 | red = ramp ; | ||
506 | green = ramp + CI_SIZE ; | ||
507 | blue = green + CI_SIZE ; | ||
508 | |||
509 | for (i = 0; i < CI_SIZE; ++ i) { | ||
510 | GammaRamp_R [i] = red [i] ; | ||
511 | GammaRamp_G [i] = green [i] ; | ||
512 | GammaRamp_B [i] = blue [i] ; | ||
513 | } | ||
514 | SDL_UpdateRect(this->screen, 0, 0, 0, 0); | ||
515 | |||
516 | Dprintf ("leave NX_SetGammaRamp\n") ; | ||
517 | return 0 ; | ||
518 | } | ||
519 | |||
520 | static int NX_GetGammaRamp (_THIS, Uint16 * ramp) | ||
521 | { | ||
522 | int i ; | ||
523 | Uint16 * red, * green, * blue ; | ||
524 | |||
525 | Dprintf ("enter NX_GetGammaRamp\n") ; | ||
526 | |||
527 | if (SDL_Visual.bpp != 32 && SDL_Visual.bpp != 24) return -1 ; | ||
528 | red = ramp ; | ||
529 | green = ramp + CI_SIZE ; | ||
530 | blue = green + CI_SIZE ; | ||
531 | if (GammaRamp_R && GammaRamp_G && GammaRamp_B) { | ||
532 | for (i = 0; i < CI_SIZE; ++ i) { | ||
533 | red [i] = GammaRamp_R [i] ; | ||
534 | green [i] = GammaRamp_G [i] ; | ||
535 | blue [i] = GammaRamp_B [i] ; | ||
536 | } | ||
537 | } else { | ||
538 | for (i = 0; i < CI_SIZE; ++ i) | ||
539 | red [i] = green [i] = blue [i] = i ; | ||
540 | } | ||
541 | |||
542 | Dprintf ("leave NX_GetGammaRamp\n") ; | ||
543 | return 0 ; | ||
544 | } | ||