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1 | /* |
2 | *Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved. | |
3 | * | |
4 | *Permission is hereby granted, free of charge, to any person obtaining | |
5 | * a copy of this software and associated documentation files (the | |
6 | *"Software"), to deal in the Software without restriction, including | |
7 | *without limitation the rights to use, copy, modify, merge, publish, | |
8 | *distribute, sublicense, and/or sell copies of the Software, and to | |
9 | *permit persons to whom the Software is furnished to do so, subject to | |
10 | *the following conditions: | |
11 | * | |
12 | *The above copyright notice and this permission notice shall be | |
13 | *included in all copies or substantial portions of the Software. | |
14 | * | |
15 | *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
16 | *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
17 | *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
18 | *NONINFRINGEMENT. IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE FOR | |
19 | *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF | |
20 | *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION | |
21 | *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
22 | * | |
23 | *Except as contained in this notice, the name of the XFree86 Project | |
24 | *shall not be used in advertising or otherwise to promote the sale, use | |
25 | *or other dealings in this Software without prior written authorization | |
26 | *from the XFree86 Project. | |
27 | * | |
28 | * Authors: Dakshinamurthy Karra | |
29 | * Suhaib M Siddiqi | |
30 | * Peter Busch | |
31 | * Harold L Hunt II | |
32 | */ | |
33 | ||
34 | #ifdef HAVE_XWIN_CONFIG_H | |
35 | #include <xwin-config.h> | |
36 | #endif | |
37 | #include "win.h" | |
38 | ||
39 | /* | |
40 | * Local prototypes | |
41 | */ | |
42 | ||
43 | static Bool | |
44 | winAllocateFBShadowDD(ScreenPtr pScreen); | |
45 | ||
46 | static void | |
47 | winShadowUpdateDD(ScreenPtr pScreen, shadowBufPtr pBuf); | |
48 | ||
49 | static Bool | |
50 | winCloseScreenShadowDD(ScreenPtr pScreen); | |
51 | ||
52 | static Bool | |
53 | winInitVisualsShadowDD(ScreenPtr pScreen); | |
54 | ||
55 | static Bool | |
56 | winAdjustVideoModeShadowDD(ScreenPtr pScreen); | |
57 | ||
58 | static Bool | |
59 | winBltExposedRegionsShadowDD(ScreenPtr pScreen); | |
60 | ||
61 | static Bool | |
62 | winActivateAppShadowDD(ScreenPtr pScreen); | |
63 | ||
64 | static Bool | |
65 | winRedrawScreenShadowDD(ScreenPtr pScreen); | |
66 | ||
67 | static Bool | |
68 | winRealizeInstalledPaletteShadowDD(ScreenPtr pScreen); | |
69 | ||
70 | static Bool | |
71 | winInstallColormapShadowDD(ColormapPtr pColormap); | |
72 | ||
73 | static Bool | |
74 | winStoreColorsShadowDD(ColormapPtr pmap, int ndef, xColorItem * pdefs); | |
75 | ||
76 | static Bool | |
77 | winCreateColormapShadowDD(ColormapPtr pColormap); | |
78 | ||
79 | static Bool | |
80 | winDestroyColormapShadowDD(ColormapPtr pColormap); | |
81 | ||
82 | static Bool | |
83 | winCreatePrimarySurfaceShadowDD(ScreenPtr pScreen); | |
84 | ||
85 | static Bool | |
86 | winReleasePrimarySurfaceShadowDD(ScreenPtr pScreen); | |
87 | ||
88 | /* | |
89 | * Create the primary surface and attach the clipper. | |
90 | * Used for both the initial surface creation and during | |
91 | * WM_DISPLAYCHANGE messages. | |
92 | */ | |
93 | ||
94 | static Bool | |
95 | winCreatePrimarySurfaceShadowDD(ScreenPtr pScreen) | |
96 | { | |
97 | winScreenPriv(pScreen); | |
98 | HRESULT ddrval = DD_OK; | |
99 | DDSURFACEDESC ddsd; | |
100 | ||
101 | /* Describe the primary surface */ | |
102 | ZeroMemory(&ddsd, sizeof(ddsd)); | |
103 | ddsd.dwSize = sizeof(ddsd); | |
104 | ddsd.dwFlags = DDSD_CAPS; | |
105 | ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE; | |
106 | ||
107 | /* Create the primary surface */ | |
108 | ddrval = IDirectDraw2_CreateSurface(pScreenPriv->pdd2, | |
109 | &ddsd, &pScreenPriv->pddsPrimary, NULL); | |
110 | if (FAILED(ddrval)) { | |
111 | ErrorF("winCreatePrimarySurfaceShadowDD - Could not create primary " | |
112 | "surface: %08x\n", (unsigned int) ddrval); | |
113 | return FALSE; | |
114 | } | |
115 | ||
116 | #if CYGDEBUG | |
117 | winDebug("winCreatePrimarySurfaceShadowDD - Created primary surface\n"); | |
118 | #endif | |
119 | ||
120 | /* | |
121 | * Attach a clipper to the primary surface that will clip our blits to our | |
122 | * display window. | |
123 | */ | |
124 | ddrval = IDirectDrawSurface2_SetClipper(pScreenPriv->pddsPrimary, | |
125 | pScreenPriv->pddcPrimary); | |
126 | if (FAILED(ddrval)) { | |
127 | ErrorF("winCreatePrimarySurfaceShadowDD - Primary attach clipper " | |
128 | "failed: %08x\n", (unsigned int) ddrval); | |
129 | return FALSE; | |
130 | } | |
131 | ||
132 | #if CYGDEBUG | |
133 | winDebug("winCreatePrimarySurfaceShadowDD - Attached clipper to " | |
134 | "primary surface\n"); | |
135 | #endif | |
136 | ||
137 | /* Everything was correct */ | |
138 | return TRUE; | |
139 | } | |
140 | ||
141 | /* | |
142 | * Detach the clipper and release the primary surface. | |
143 | * Called from WM_DISPLAYCHANGE. | |
144 | */ | |
145 | ||
146 | static Bool | |
147 | winReleasePrimarySurfaceShadowDD(ScreenPtr pScreen) | |
148 | { | |
149 | winScreenPriv(pScreen); | |
150 | ||
151 | ErrorF("winReleasePrimarySurfaceShadowDD - Hello\n"); | |
152 | ||
153 | /* Release the primary surface and clipper, if they exist */ | |
154 | if (pScreenPriv->pddsPrimary) { | |
155 | /* | |
156 | * Detach the clipper from the primary surface. | |
157 | * NOTE: We do this explicity for clarity. The Clipper is not released. | |
158 | */ | |
159 | IDirectDrawSurface2_SetClipper(pScreenPriv->pddsPrimary, NULL); | |
160 | ||
161 | ErrorF("winReleasePrimarySurfaceShadowDD - Detached clipper\n"); | |
162 | ||
163 | /* Release the primary surface */ | |
164 | IDirectDrawSurface2_Release(pScreenPriv->pddsPrimary); | |
165 | pScreenPriv->pddsPrimary = NULL; | |
166 | } | |
167 | ||
168 | ErrorF("winReleasePrimarySurfaceShadowDD - Released primary surface\n"); | |
169 | ||
170 | return TRUE; | |
171 | } | |
172 | ||
173 | /* | |
174 | * Create a DirectDraw surface for the shadow framebuffer; also create | |
175 | * a primary surface object so we can blit to the display. | |
176 | * | |
177 | * Install a DirectDraw clipper on our primary surface object | |
178 | * that clips our blits to the unobscured client area of our display window. | |
179 | */ | |
180 | ||
181 | static Bool | |
182 | winAllocateFBShadowDD(ScreenPtr pScreen) | |
183 | { | |
184 | winScreenPriv(pScreen); | |
185 | winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; | |
186 | HRESULT ddrval = DD_OK; | |
187 | DDSURFACEDESC ddsd; | |
188 | DDSURFACEDESC *pddsdShadow = NULL; | |
189 | ||
190 | #if CYGDEBUG | |
191 | winDebug("winAllocateFBShadowDD\n"); | |
192 | #endif | |
193 | ||
194 | /* Create a clipper */ | |
195 | ddrval = (*g_fpDirectDrawCreateClipper) (0, | |
196 | &pScreenPriv->pddcPrimary, NULL); | |
197 | if (FAILED(ddrval)) { | |
198 | ErrorF("winAllocateFBShadowDD - Could not create clipper: %08x\n", | |
199 | (unsigned int) ddrval); | |
200 | return FALSE; | |
201 | } | |
202 | ||
203 | #if CYGDEBUG | |
204 | winDebug("winAllocateFBShadowDD - Created a clipper\n"); | |
205 | #endif | |
206 | ||
207 | /* Attach the clipper to our display window */ | |
208 | ddrval = IDirectDrawClipper_SetHWnd(pScreenPriv->pddcPrimary, | |
209 | 0, pScreenPriv->hwndScreen); | |
210 | if (FAILED(ddrval)) { | |
211 | ErrorF("winAllocateFBShadowDD - Clipper not attached to " | |
212 | "window: %08x\n", (unsigned int) ddrval); | |
213 | return FALSE; | |
214 | } | |
215 | ||
216 | #if CYGDEBUG | |
217 | winDebug("winAllocateFBShadowDD - Attached clipper to window\n"); | |
218 | #endif | |
219 | ||
220 | /* Create a DirectDraw object, store the address at lpdd */ | |
221 | ddrval = (*g_fpDirectDrawCreate) (NULL, &pScreenPriv->pdd, NULL); | |
222 | if (FAILED(ddrval)) { | |
223 | ErrorF("winAllocateFBShadowDD - Could not start DirectDraw: %08x\n", | |
224 | (unsigned int) ddrval); | |
225 | return FALSE; | |
226 | } | |
227 | ||
228 | #if CYGDEBUG | |
229 | winDebug("winAllocateFBShadowDD () - Created and initialized DD\n"); | |
230 | #endif | |
231 | ||
232 | /* Get a DirectDraw2 interface pointer */ | |
233 | ddrval = IDirectDraw_QueryInterface(pScreenPriv->pdd, | |
234 | &IID_IDirectDraw2, | |
235 | (LPVOID *) &pScreenPriv->pdd2); | |
236 | if (FAILED(ddrval)) { | |
237 | ErrorF("winAllocateFBShadowDD - Failed DD2 query: %08x\n", | |
238 | (unsigned int) ddrval); | |
239 | return FALSE; | |
240 | } | |
241 | ||
242 | /* Are we full screen? */ | |
243 | if (pScreenInfo->fFullScreen) { | |
244 | DDSURFACEDESC ddsdCurrent; | |
245 | DWORD dwRefreshRateCurrent = 0; | |
246 | HDC hdc = NULL; | |
247 | ||
248 | /* Set the cooperative level to full screen */ | |
249 | ddrval = IDirectDraw2_SetCooperativeLevel(pScreenPriv->pdd2, | |
250 | pScreenPriv->hwndScreen, | |
251 | DDSCL_EXCLUSIVE | |
252 | | DDSCL_FULLSCREEN); | |
253 | if (FAILED(ddrval)) { | |
254 | ErrorF("winAllocateFBShadowDD - Could not set " | |
255 | "cooperative level: %08x\n", (unsigned int) ddrval); | |
256 | return FALSE; | |
257 | } | |
258 | ||
259 | /* | |
260 | * We only need to get the current refresh rate for comparison | |
261 | * if a refresh rate has been passed on the command line. | |
262 | */ | |
263 | if (pScreenInfo->dwRefreshRate != 0) { | |
264 | ZeroMemory(&ddsdCurrent, sizeof(ddsdCurrent)); | |
265 | ddsdCurrent.dwSize = sizeof(ddsdCurrent); | |
266 | ||
267 | /* Get information about current display settings */ | |
268 | ddrval = IDirectDraw2_GetDisplayMode(pScreenPriv->pdd2, | |
269 | &ddsdCurrent); | |
270 | if (FAILED(ddrval)) { | |
271 | ErrorF("winAllocateFBShadowDD - Could not get current " | |
272 | "refresh rate: %08x. Continuing.\n", | |
273 | (unsigned int) ddrval); | |
274 | dwRefreshRateCurrent = 0; | |
275 | } | |
276 | else { | |
277 | /* Grab the current refresh rate */ | |
278 | dwRefreshRateCurrent = ddsdCurrent.u2.dwRefreshRate; | |
279 | } | |
280 | } | |
281 | ||
282 | /* Clean up the refresh rate */ | |
283 | if (dwRefreshRateCurrent == pScreenInfo->dwRefreshRate) { | |
284 | /* | |
285 | * Refresh rate is non-specified or equal to current. | |
286 | */ | |
287 | pScreenInfo->dwRefreshRate = 0; | |
288 | } | |
289 | ||
290 | /* Grab a device context for the screen */ | |
291 | hdc = GetDC(NULL); | |
292 | if (hdc == NULL) { | |
293 | ErrorF("winAllocateFBShadowDD - GetDC () failed\n"); | |
294 | return FALSE; | |
295 | } | |
296 | ||
297 | /* Only change the video mode when different than current mode */ | |
298 | if (!pScreenInfo->fMultipleMonitors | |
299 | && (pScreenInfo->dwWidth != GetSystemMetrics(SM_CXSCREEN) | |
300 | || pScreenInfo->dwHeight != GetSystemMetrics(SM_CYSCREEN) | |
301 | || pScreenInfo->dwBPP != GetDeviceCaps(hdc, BITSPIXEL) | |
302 | || pScreenInfo->dwRefreshRate != 0)) { | |
303 | ErrorF("winAllocateFBShadowDD - Changing video mode\n"); | |
304 | ||
305 | /* Change the video mode to the mode requested, and use the driver default refresh rate on failure */ | |
306 | ddrval = IDirectDraw2_SetDisplayMode(pScreenPriv->pdd2, | |
307 | pScreenInfo->dwWidth, | |
308 | pScreenInfo->dwHeight, | |
309 | pScreenInfo->dwBPP, | |
310 | pScreenInfo->dwRefreshRate, 0); | |
311 | if (FAILED(ddrval)) { | |
312 | ErrorF("winAllocateFBShadowDD - Could not set " | |
313 | "full screen display mode: %08x\n", | |
314 | (unsigned int) ddrval); | |
315 | ErrorF | |
316 | ("winAllocateFBShadowDD - Using default driver refresh rate\n"); | |
317 | ddrval = | |
318 | IDirectDraw2_SetDisplayMode(pScreenPriv->pdd2, | |
319 | pScreenInfo->dwWidth, | |
320 | pScreenInfo->dwHeight, | |
321 | pScreenInfo->dwBPP, 0, 0); | |
322 | if (FAILED(ddrval)) { | |
323 | ErrorF | |
324 | ("winAllocateFBShadowDD - Could not set default refresh rate " | |
325 | "full screen display mode: %08x\n", | |
326 | (unsigned int) ddrval); | |
327 | return FALSE; | |
328 | } | |
329 | } | |
330 | } | |
331 | else { | |
332 | ErrorF("winAllocateFBShadowDD - Not changing video mode\n"); | |
333 | } | |
334 | ||
335 | /* Release our DC */ | |
336 | ReleaseDC(NULL, hdc); | |
337 | hdc = NULL; | |
338 | } | |
339 | else { | |
340 | /* Set the cooperative level for windowed mode */ | |
341 | ddrval = IDirectDraw2_SetCooperativeLevel(pScreenPriv->pdd2, | |
342 | pScreenPriv->hwndScreen, | |
343 | DDSCL_NORMAL); | |
344 | if (FAILED(ddrval)) { | |
345 | ErrorF("winAllocateFBShadowDD - Could not set " | |
346 | "cooperative level: %08x\n", (unsigned int) ddrval); | |
347 | return FALSE; | |
348 | } | |
349 | } | |
350 | ||
351 | /* Create the primary surface */ | |
352 | if (!winCreatePrimarySurfaceShadowDD(pScreen)) { | |
353 | ErrorF("winAllocateFBShadowDD - winCreatePrimarySurfaceShadowDD " | |
354 | "failed\n"); | |
355 | return FALSE; | |
356 | } | |
357 | ||
358 | /* Describe the shadow surface to be created */ | |
359 | /* NOTE: Do not use a DDSCAPS_VIDEOMEMORY surface, | |
360 | * as drawing, locking, and unlocking take forever | |
361 | * with video memory surfaces. In addition, | |
362 | * video memory is a somewhat scarce resource, | |
363 | * so you shouldn't be allocating video memory when | |
364 | * you have the option of using system memory instead. | |
365 | */ | |
366 | ZeroMemory(&ddsd, sizeof(ddsd)); | |
367 | ddsd.dwSize = sizeof(ddsd); | |
368 | ddsd.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH; | |
369 | ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_SYSTEMMEMORY; | |
370 | ddsd.dwHeight = pScreenInfo->dwHeight; | |
371 | ddsd.dwWidth = pScreenInfo->dwWidth; | |
372 | ||
373 | /* Create the shadow surface */ | |
374 | ddrval = IDirectDraw2_CreateSurface(pScreenPriv->pdd2, | |
375 | &ddsd, &pScreenPriv->pddsShadow, NULL); | |
376 | if (FAILED(ddrval)) { | |
377 | ErrorF("winAllocateFBShadowDD - Could not create shadow " | |
378 | "surface: %08x\n", (unsigned int) ddrval); | |
379 | return FALSE; | |
380 | } | |
381 | ||
382 | #if CYGDEBUG | |
383 | winDebug("winAllocateFBShadowDD - Created shadow\n"); | |
384 | #endif | |
385 | ||
386 | /* Allocate a DD surface description for our screen privates */ | |
387 | pddsdShadow = pScreenPriv->pddsdShadow = malloc(sizeof(DDSURFACEDESC)); | |
388 | if (pddsdShadow == NULL) { | |
389 | ErrorF("winAllocateFBShadowDD - Could not allocate surface " | |
390 | "description memory\n"); | |
391 | return FALSE; | |
392 | } | |
393 | ZeroMemory(pddsdShadow, sizeof(*pddsdShadow)); | |
394 | pddsdShadow->dwSize = sizeof(*pddsdShadow); | |
395 | ||
396 | #if CYGDEBUG | |
397 | winDebug("winAllocateFBShadowDD - Locking shadow\n"); | |
398 | #endif | |
399 | ||
400 | /* Lock the shadow surface */ | |
401 | ddrval = IDirectDrawSurface2_Lock(pScreenPriv->pddsShadow, | |
402 | NULL, pddsdShadow, DDLOCK_WAIT, NULL); | |
403 | if (FAILED(ddrval) || pddsdShadow->lpSurface == NULL) { | |
404 | ErrorF("winAllocateFBShadowDD - Could not lock shadow " | |
405 | "surface: %08x\n", (unsigned int) ddrval); | |
406 | return FALSE; | |
407 | } | |
408 | ||
409 | #if CYGDEBUG | |
410 | winDebug("winAllocateFBShadowDD - Locked shadow\n"); | |
411 | #endif | |
412 | ||
413 | /* We don't know how to deal with anything other than RGB */ | |
414 | if (!(pddsdShadow->ddpfPixelFormat.dwFlags & DDPF_RGB)) { | |
415 | ErrorF("winAllocateFBShadowDD - Color format other than RGB\n"); | |
416 | return FALSE; | |
417 | } | |
418 | ||
419 | /* Grab the pitch from the surface desc */ | |
420 | pScreenInfo->dwStride = (pddsdShadow->u1.lPitch * 8) | |
421 | / pScreenInfo->dwBPP; | |
422 | ||
423 | /* Save the pointer to our surface memory */ | |
424 | pScreenInfo->pfb = pddsdShadow->lpSurface; | |
425 | ||
426 | /* Grab the color depth and masks from the surface description */ | |
427 | pScreenPriv->dwRedMask = pddsdShadow->ddpfPixelFormat.u2.dwRBitMask; | |
428 | pScreenPriv->dwGreenMask = pddsdShadow->ddpfPixelFormat.u3.dwGBitMask; | |
429 | pScreenPriv->dwBlueMask = pddsdShadow->ddpfPixelFormat.u4.dwBBitMask; | |
430 | ||
431 | #if CYGDEBUG | |
432 | winDebug("winAllocateFBShadowDD - Returning\n"); | |
433 | #endif | |
434 | ||
435 | return TRUE; | |
436 | } | |
437 | ||
438 | static void | |
439 | winFreeFBShadowDD(ScreenPtr pScreen) | |
440 | { | |
441 | winScreenPriv(pScreen); | |
442 | winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; | |
443 | ||
444 | /* Free the shadow surface, if there is one */ | |
445 | if (pScreenPriv->pddsShadow) { | |
446 | IDirectDrawSurface2_Unlock(pScreenPriv->pddsShadow, NULL); | |
447 | IDirectDrawSurface2_Release(pScreenPriv->pddsShadow); | |
448 | pScreenPriv->pddsShadow = NULL; | |
449 | } | |
450 | ||
451 | /* Detach the clipper from the primary surface and release the primary surface, if there is one */ | |
452 | winReleasePrimarySurfaceShadowDD(pScreen); | |
453 | ||
454 | /* Release the clipper object */ | |
455 | if (pScreenPriv->pddcPrimary) { | |
456 | IDirectDrawClipper_Release(pScreenPriv->pddcPrimary); | |
457 | pScreenPriv->pddcPrimary = NULL; | |
458 | } | |
459 | ||
460 | /* Free the DirectDraw2 object, if there is one */ | |
461 | if (pScreenPriv->pdd2) { | |
462 | IDirectDraw2_RestoreDisplayMode(pScreenPriv->pdd2); | |
463 | IDirectDraw2_Release(pScreenPriv->pdd2); | |
464 | pScreenPriv->pdd2 = NULL; | |
465 | } | |
466 | ||
467 | /* Free the DirectDraw object, if there is one */ | |
468 | if (pScreenPriv->pdd) { | |
469 | IDirectDraw_Release(pScreenPriv->pdd); | |
470 | pScreenPriv->pdd = NULL; | |
471 | } | |
472 | ||
473 | /* Invalidate the ScreenInfo's fb pointer */ | |
474 | pScreenInfo->pfb = NULL; | |
475 | } | |
476 | ||
477 | /* | |
478 | * Transfer the damaged regions of the shadow framebuffer to the display. | |
479 | */ | |
480 | ||
481 | static void | |
482 | winShadowUpdateDD(ScreenPtr pScreen, shadowBufPtr pBuf) | |
483 | { | |
484 | winScreenPriv(pScreen); | |
485 | winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; | |
486 | RegionPtr damage = shadowDamage(pBuf); | |
487 | HRESULT ddrval = DD_OK; | |
488 | RECT rcDest, rcSrc; | |
489 | POINT ptOrigin; | |
490 | DWORD dwBox = RegionNumRects(damage); | |
491 | BoxPtr pBox = RegionRects(damage); | |
492 | HRGN hrgnCombined = NULL; | |
493 | ||
494 | /* | |
495 | * Return immediately if the app is not active | |
496 | * and we are fullscreen, or if we have a bad display depth | |
497 | */ | |
498 | if ((!pScreenPriv->fActive && pScreenInfo->fFullScreen) | |
499 | || pScreenPriv->fBadDepth) | |
500 | return; | |
501 | ||
502 | /* Return immediately if we didn't get needed surfaces */ | |
503 | if (!pScreenPriv->pddsPrimary || !pScreenPriv->pddsShadow) | |
504 | return; | |
505 | ||
506 | /* Get the origin of the window in the screen coords */ | |
507 | ptOrigin.x = pScreenInfo->dwXOffset; | |
508 | ptOrigin.y = pScreenInfo->dwYOffset; | |
509 | MapWindowPoints(pScreenPriv->hwndScreen, | |
510 | HWND_DESKTOP, (LPPOINT) &ptOrigin, 1); | |
511 | ||
512 | /* Unlock the shadow surface, so we can blit */ | |
513 | ddrval = IDirectDrawSurface2_Unlock(pScreenPriv->pddsShadow, NULL); | |
514 | if (FAILED(ddrval)) { | |
515 | ErrorF("winShadowUpdateDD - Unlock failed\n"); | |
516 | return; | |
517 | } | |
518 | ||
519 | /* | |
520 | * Handle small regions with multiple blits, | |
521 | * handle large regions by creating a clipping region and | |
522 | * doing a single blit constrained to that clipping region. | |
523 | */ | |
524 | if (pScreenInfo->dwClipUpdatesNBoxes == 0 | |
525 | || dwBox < pScreenInfo->dwClipUpdatesNBoxes) { | |
526 | /* Loop through all boxes in the damaged region */ | |
527 | while (dwBox--) { | |
528 | /* Assign damage box to source rectangle */ | |
529 | rcSrc.left = pBox->x1; | |
530 | rcSrc.top = pBox->y1; | |
531 | rcSrc.right = pBox->x2; | |
532 | rcSrc.bottom = pBox->y2; | |
533 | ||
534 | /* Calculate destination rectange */ | |
535 | rcDest.left = ptOrigin.x + rcSrc.left; | |
536 | rcDest.top = ptOrigin.y + rcSrc.top; | |
537 | rcDest.right = ptOrigin.x + rcSrc.right; | |
538 | rcDest.bottom = ptOrigin.y + rcSrc.bottom; | |
539 | ||
540 | /* Blit the damaged areas */ | |
541 | ddrval = IDirectDrawSurface2_Blt(pScreenPriv->pddsPrimary, | |
542 | &rcDest, | |
543 | pScreenPriv->pddsShadow, | |
544 | &rcSrc, DDBLT_WAIT, NULL); | |
545 | ||
546 | /* Get a pointer to the next box */ | |
547 | ++pBox; | |
548 | } | |
549 | } | |
550 | else { | |
551 | BoxPtr pBoxExtents = RegionExtents(damage); | |
552 | ||
553 | /* Compute a GDI region from the damaged region */ | |
554 | hrgnCombined = | |
555 | CreateRectRgn(pBoxExtents->x1, pBoxExtents->y1, pBoxExtents->x2, | |
556 | pBoxExtents->y2); | |
557 | ||
558 | /* Install the GDI region as a clipping region */ | |
559 | SelectClipRgn(pScreenPriv->hdcScreen, hrgnCombined); | |
560 | DeleteObject(hrgnCombined); | |
561 | hrgnCombined = NULL; | |
562 | ||
563 | /* Calculating a bounding box for the source is easy */ | |
564 | rcSrc.left = pBoxExtents->x1; | |
565 | rcSrc.top = pBoxExtents->y1; | |
566 | rcSrc.right = pBoxExtents->x2; | |
567 | rcSrc.bottom = pBoxExtents->y2; | |
568 | ||
569 | /* Calculating a bounding box for the destination is trickier */ | |
570 | rcDest.left = ptOrigin.x + rcSrc.left; | |
571 | rcDest.top = ptOrigin.y + rcSrc.top; | |
572 | rcDest.right = ptOrigin.x + rcSrc.right; | |
573 | rcDest.bottom = ptOrigin.y + rcSrc.bottom; | |
574 | ||
575 | /* Our Blt should be clipped to the invalidated region */ | |
576 | ddrval = IDirectDrawSurface2_Blt(pScreenPriv->pddsPrimary, | |
577 | &rcDest, | |
578 | pScreenPriv->pddsShadow, | |
579 | &rcSrc, DDBLT_WAIT, NULL); | |
580 | ||
581 | /* Reset the clip region */ | |
582 | SelectClipRgn(pScreenPriv->hdcScreen, NULL); | |
583 | } | |
584 | ||
585 | /* Relock the shadow surface */ | |
586 | ddrval = IDirectDrawSurface2_Lock(pScreenPriv->pddsShadow, | |
587 | NULL, | |
588 | pScreenPriv->pddsdShadow, | |
589 | DDLOCK_WAIT, NULL); | |
590 | if (FAILED(ddrval)) { | |
591 | ErrorF("winShadowUpdateDD - Lock failed\n"); | |
592 | return; | |
593 | } | |
594 | ||
595 | /* Has our memory pointer changed? */ | |
596 | if (pScreenInfo->pfb != pScreenPriv->pddsdShadow->lpSurface) { | |
597 | ErrorF("winShadowUpdateDD - Memory location of the shadow " | |
598 | "surface has changed, trying to update the root window " | |
599 | "pixmap header to point to the new address. If you get " | |
600 | "this message and " PROJECT_NAME " freezes or crashes " | |
601 | "after this message then send a problem report and your " | |
602 | "%s file to " BUILDERADDR "\n", g_pszLogFile); | |
603 | ||
604 | /* Location of shadow framebuffer has changed */ | |
605 | winUpdateFBPointer(pScreen, pScreenPriv->pddsdShadow->lpSurface); | |
606 | } | |
607 | } | |
608 | ||
609 | static Bool | |
610 | winInitScreenShadowDD(ScreenPtr pScreen) | |
611 | { | |
612 | winScreenPriv(pScreen); | |
613 | ||
614 | /* Get a device context for the screen */ | |
615 | pScreenPriv->hdcScreen = GetDC(pScreenPriv->hwndScreen); | |
616 | ||
617 | return winAllocateFBShadowDD(pScreen); | |
618 | } | |
619 | ||
620 | /* | |
621 | * Call the wrapped CloseScreen function. | |
622 | * | |
623 | * Free our resources and private structures. | |
624 | */ | |
625 | ||
626 | static Bool | |
627 | winCloseScreenShadowDD(ScreenPtr pScreen) | |
628 | { | |
629 | winScreenPriv(pScreen); | |
630 | winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; | |
631 | Bool fReturn; | |
632 | ||
633 | #if CYGDEBUG | |
634 | winDebug("winCloseScreenShadowDD - Freeing screen resources\n"); | |
635 | #endif | |
636 | ||
637 | /* Flag that the screen is closed */ | |
638 | pScreenPriv->fClosed = TRUE; | |
639 | pScreenPriv->fActive = FALSE; | |
640 | ||
641 | /* Call the wrapped CloseScreen procedure */ | |
642 | WIN_UNWRAP(CloseScreen); | |
643 | if (pScreen->CloseScreen) | |
644 | fReturn = (*pScreen->CloseScreen) (pScreen); | |
645 | ||
646 | winFreeFBShadowDD(pScreen); | |
647 | ||
648 | /* Free the screen DC */ | |
649 | ReleaseDC(pScreenPriv->hwndScreen, pScreenPriv->hdcScreen); | |
650 | ||
651 | /* Delete the window property */ | |
652 | RemoveProp(pScreenPriv->hwndScreen, WIN_SCR_PROP); | |
653 | ||
654 | /* Delete tray icon, if we have one */ | |
655 | if (!pScreenInfo->fNoTrayIcon) | |
656 | winDeleteNotifyIcon(pScreenPriv); | |
657 | ||
658 | /* Free the exit confirmation dialog box, if it exists */ | |
659 | if (g_hDlgExit != NULL) { | |
660 | DestroyWindow(g_hDlgExit); | |
661 | g_hDlgExit = NULL; | |
662 | } | |
663 | ||
664 | /* Kill our window */ | |
665 | if (pScreenPriv->hwndScreen) { | |
666 | DestroyWindow(pScreenPriv->hwndScreen); | |
667 | pScreenPriv->hwndScreen = NULL; | |
668 | } | |
669 | ||
670 | #if defined(XWIN_CLIPBOARD) || defined(XWIN_MULTIWINDOW) | |
671 | /* Destroy the thread startup mutex */ | |
672 | pthread_mutex_destroy(&pScreenPriv->pmServerStarted); | |
673 | #endif | |
674 | ||
675 | /* Kill our screeninfo's pointer to the screen */ | |
676 | pScreenInfo->pScreen = NULL; | |
677 | ||
678 | /* Free the screen privates for this screen */ | |
679 | free((pointer) pScreenPriv); | |
680 | ||
681 | return fReturn; | |
682 | } | |
683 | ||
684 | /* | |
685 | * Tell mi what sort of visuals we need. | |
686 | * | |
687 | * Generally we only need one visual, as our screen can only | |
688 | * handle one format at a time, I believe. You may want | |
689 | * to verify that last sentence. | |
690 | */ | |
691 | ||
692 | static Bool | |
693 | winInitVisualsShadowDD(ScreenPtr pScreen) | |
694 | { | |
695 | winScreenPriv(pScreen); | |
696 | winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; | |
697 | DWORD dwRedBits, dwGreenBits, dwBlueBits; | |
698 | ||
699 | /* Count the number of ones in each color mask */ | |
700 | dwRedBits = winCountBits(pScreenPriv->dwRedMask); | |
701 | dwGreenBits = winCountBits(pScreenPriv->dwGreenMask); | |
702 | dwBlueBits = winCountBits(pScreenPriv->dwBlueMask); | |
703 | ||
704 | /* Store the maximum number of ones in a color mask as the bitsPerRGB */ | |
705 | if (dwRedBits == 0 || dwGreenBits == 0 || dwBlueBits == 0) | |
706 | pScreenPriv->dwBitsPerRGB = 8; | |
707 | else if (dwRedBits > dwGreenBits && dwRedBits > dwBlueBits) | |
708 | pScreenPriv->dwBitsPerRGB = dwRedBits; | |
709 | else if (dwGreenBits > dwRedBits && dwGreenBits > dwBlueBits) | |
710 | pScreenPriv->dwBitsPerRGB = dwGreenBits; | |
711 | else | |
712 | pScreenPriv->dwBitsPerRGB = dwBlueBits; | |
713 | ||
714 | ErrorF("winInitVisualsShadowDD - Masks %08x %08x %08x BPRGB %d d %d " | |
715 | "bpp %d\n", | |
716 | (unsigned int) pScreenPriv->dwRedMask, | |
717 | (unsigned int) pScreenPriv->dwGreenMask, | |
718 | (unsigned int) pScreenPriv->dwBlueMask, | |
719 | (int) pScreenPriv->dwBitsPerRGB, | |
720 | (int) pScreenInfo->dwDepth, (int) pScreenInfo->dwBPP); | |
721 | ||
722 | /* Create a single visual according to the Windows screen depth */ | |
723 | switch (pScreenInfo->dwDepth) { | |
724 | case 24: | |
725 | case 16: | |
726 | case 15: | |
727 | /* Create the real visual */ | |
728 | if (!miSetVisualTypesAndMasks(pScreenInfo->dwDepth, | |
729 | TrueColorMask, | |
730 | pScreenPriv->dwBitsPerRGB, | |
731 | TrueColor, | |
732 | pScreenPriv->dwRedMask, | |
733 | pScreenPriv->dwGreenMask, | |
734 | pScreenPriv->dwBlueMask)) { | |
735 | ErrorF("winInitVisualsShadowDD - miSetVisualTypesAndMasks " | |
736 | "failed for TrueColor\n"); | |
737 | return FALSE; | |
738 | } | |
739 | ||
740 | #ifdef XWIN_EMULATEPSEUDO | |
741 | if (!pScreenInfo->fEmulatePseudo) | |
742 | break; | |
743 | ||
744 | /* Setup a pseudocolor visual */ | |
745 | if (!miSetVisualTypesAndMasks(8, PseudoColorMask, 8, -1, 0, 0, 0)) { | |
746 | ErrorF("winInitVisualsShadowDD - miSetVisualTypesAndMasks " | |
747 | "failed for PseudoColor\n"); | |
748 | return FALSE; | |
749 | } | |
750 | #endif | |
751 | break; | |
752 | ||
753 | case 8: | |
754 | if (!miSetVisualTypesAndMasks(pScreenInfo->dwDepth, | |
755 | pScreenInfo->fFullScreen | |
756 | ? PseudoColorMask : StaticColorMask, | |
757 | pScreenPriv->dwBitsPerRGB, | |
758 | pScreenInfo->fFullScreen | |
759 | ? PseudoColor : StaticColor, | |
760 | pScreenPriv->dwRedMask, | |
761 | pScreenPriv->dwGreenMask, | |
762 | pScreenPriv->dwBlueMask)) { | |
763 | ErrorF("winInitVisualsShadowDD - miSetVisualTypesAndMasks " | |
764 | "failed\n"); | |
765 | return FALSE; | |
766 | } | |
767 | break; | |
768 | ||
769 | default: | |
770 | ErrorF("winInitVisualsShadowDD - Unknown screen depth\n"); | |
771 | return FALSE; | |
772 | } | |
773 | ||
774 | #if CYGDEBUG | |
775 | winDebug("winInitVisualsShadowDD - Returning\n"); | |
776 | #endif | |
777 | ||
778 | return TRUE; | |
779 | } | |
780 | ||
781 | /* | |
782 | * Adjust the user proposed video mode | |
783 | */ | |
784 | ||
785 | static Bool | |
786 | winAdjustVideoModeShadowDD(ScreenPtr pScreen) | |
787 | { | |
788 | winScreenPriv(pScreen); | |
789 | winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; | |
790 | HDC hdc = NULL; | |
791 | DWORD dwBPP; | |
792 | ||
793 | /* We're in serious trouble if we can't get a DC */ | |
794 | hdc = GetDC(NULL); | |
795 | if (hdc == NULL) { | |
796 | ErrorF("winAdjustVideoModeShadowDD - GetDC () failed\n"); | |
797 | return FALSE; | |
798 | } | |
799 | ||
800 | /* Query GDI for current display depth */ | |
801 | dwBPP = GetDeviceCaps(hdc, BITSPIXEL); | |
802 | ||
803 | /* DirectDraw can only change the depth in fullscreen mode */ | |
804 | if (!(pScreenInfo->fFullScreen && (pScreenInfo->dwBPP != WIN_DEFAULT_BPP))) { | |
805 | /* Otherwise, We'll use GDI's depth */ | |
806 | pScreenInfo->dwBPP = dwBPP; | |
807 | } | |
808 | ||
809 | /* Release our DC */ | |
810 | ReleaseDC(NULL, hdc); | |
811 | return TRUE; | |
812 | } | |
813 | ||
814 | /* | |
815 | * Blt exposed regions to the screen | |
816 | */ | |
817 | ||
818 | static Bool | |
819 | winBltExposedRegionsShadowDD(ScreenPtr pScreen) | |
820 | { | |
821 | winScreenPriv(pScreen); | |
822 | winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; | |
823 | RECT rcSrc, rcDest; | |
824 | POINT ptOrigin; | |
825 | HDC hdcUpdate = NULL; | |
826 | PAINTSTRUCT ps; | |
827 | HRESULT ddrval = DD_OK; | |
828 | Bool fReturn = TRUE; | |
829 | Bool fLocked = TRUE; | |
830 | int i; | |
831 | ||
832 | /* BeginPaint gives us an hdc that clips to the invalidated region */ | |
833 | hdcUpdate = BeginPaint(pScreenPriv->hwndScreen, &ps); | |
834 | if (hdcUpdate == NULL) { | |
835 | ErrorF("winBltExposedRegionsShadowDD - BeginPaint () returned " | |
836 | "a NULL device context handle. Aborting blit attempt.\n"); | |
837 | return FALSE; | |
838 | } | |
839 | ||
840 | /* Unlock the shadow surface, so we can blit */ | |
841 | ddrval = IDirectDrawSurface2_Unlock(pScreenPriv->pddsShadow, NULL); | |
842 | if (FAILED(ddrval)) { | |
843 | fReturn = FALSE; | |
844 | goto winBltExposedRegionsShadowDD_Exit; | |
845 | } | |
846 | else { | |
847 | /* Flag that we have unlocked the shadow surface */ | |
848 | fLocked = FALSE; | |
849 | } | |
850 | ||
851 | /* Get the origin of the window in the screen coords */ | |
852 | ptOrigin.x = pScreenInfo->dwXOffset; | |
853 | ptOrigin.y = pScreenInfo->dwYOffset; | |
854 | ||
855 | MapWindowPoints(pScreenPriv->hwndScreen, | |
856 | HWND_DESKTOP, (LPPOINT) &ptOrigin, 1); | |
857 | rcDest.left = ptOrigin.x; | |
858 | rcDest.right = ptOrigin.x + pScreenInfo->dwWidth; | |
859 | rcDest.top = ptOrigin.y; | |
860 | rcDest.bottom = ptOrigin.y + pScreenInfo->dwHeight; | |
861 | ||
862 | /* Source can be enter shadow surface, as Blt should clip */ | |
863 | rcSrc.left = 0; | |
864 | rcSrc.top = 0; | |
865 | rcSrc.right = pScreenInfo->dwWidth; | |
866 | rcSrc.bottom = pScreenInfo->dwHeight; | |
867 | ||
868 | /* Try to regain the primary surface and blit again if we've lost it */ | |
869 | for (i = 0; i <= WIN_REGAIN_SURFACE_RETRIES; ++i) { | |
870 | /* Our Blt should be clipped to the invalidated region */ | |
871 | ddrval = IDirectDrawSurface2_Blt(pScreenPriv->pddsPrimary, | |
872 | &rcDest, | |
873 | pScreenPriv->pddsShadow, | |
874 | &rcSrc, DDBLT_WAIT, NULL); | |
875 | if (ddrval == DDERR_SURFACELOST) { | |
876 | /* Surface was lost */ | |
877 | ErrorF("winBltExposedRegionsShadowDD - IDirectDrawSurface2_Blt " | |
878 | "reported that the primary surface was lost, " | |
879 | "trying to restore, retry: %d\n", i + 1); | |
880 | ||
881 | /* Try to restore the surface, once */ | |
882 | ddrval = IDirectDrawSurface2_Restore(pScreenPriv->pddsPrimary); | |
883 | ErrorF("winBltExposedRegionsShadowDD - " | |
884 | "IDirectDrawSurface2_Restore returned: "); | |
885 | if (ddrval == DD_OK) | |
886 | ErrorF("DD_OK\n"); | |
887 | else if (ddrval == DDERR_WRONGMODE) | |
888 | ErrorF("DDERR_WRONGMODE\n"); | |
889 | else if (ddrval == DDERR_INCOMPATIBLEPRIMARY) | |
890 | ErrorF("DDERR_INCOMPATIBLEPRIMARY\n"); | |
891 | else if (ddrval == DDERR_UNSUPPORTED) | |
892 | ErrorF("DDERR_UNSUPPORTED\n"); | |
893 | else if (ddrval == DDERR_INVALIDPARAMS) | |
894 | ErrorF("DDERR_INVALIDPARAMS\n"); | |
895 | else if (ddrval == DDERR_INVALIDOBJECT) | |
896 | ErrorF("DDERR_INVALIDOBJECT\n"); | |
897 | else | |
898 | ErrorF("unknown error: %08x\n", (unsigned int) ddrval); | |
899 | ||
900 | /* Loop around to try the blit one more time */ | |
901 | continue; | |
902 | } | |
903 | else if (FAILED(ddrval)) { | |
904 | fReturn = FALSE; | |
905 | ErrorF("winBltExposedRegionsShadowDD - IDirectDrawSurface2_Blt " | |
906 | "failed, but surface not lost: %08x %d\n", | |
907 | (unsigned int) ddrval, (int) ddrval); | |
908 | goto winBltExposedRegionsShadowDD_Exit; | |
909 | } | |
910 | else { | |
911 | /* Success, stop looping */ | |
912 | break; | |
913 | } | |
914 | } | |
915 | ||
916 | /* Relock the shadow surface */ | |
917 | ddrval = IDirectDrawSurface2_Lock(pScreenPriv->pddsShadow, | |
918 | NULL, | |
919 | pScreenPriv->pddsdShadow, | |
920 | DDLOCK_WAIT, NULL); | |
921 | if (FAILED(ddrval)) { | |
922 | fReturn = FALSE; | |
923 | ErrorF("winBltExposedRegionsShadowDD - IDirectDrawSurface2_Lock " | |
924 | "failed\n"); | |
925 | goto winBltExposedRegionsShadowDD_Exit; | |
926 | } | |
927 | else { | |
928 | /* Indicate that we have relocked the shadow surface */ | |
929 | fLocked = TRUE; | |
930 | } | |
931 | ||
932 | /* Has our memory pointer changed? */ | |
933 | if (pScreenInfo->pfb != pScreenPriv->pddsdShadow->lpSurface) | |
934 | winUpdateFBPointer(pScreen, pScreenPriv->pddsdShadow->lpSurface); | |
935 | ||
936 | winBltExposedRegionsShadowDD_Exit: | |
937 | /* EndPaint frees the DC */ | |
938 | if (hdcUpdate != NULL) | |
939 | EndPaint(pScreenPriv->hwndScreen, &ps); | |
940 | ||
941 | /* | |
942 | * Relock the surface if it is not locked. We don't care if locking fails, | |
943 | * as it will cause the server to shutdown within a few more operations. | |
944 | */ | |
945 | if (!fLocked) { | |
946 | IDirectDrawSurface2_Lock(pScreenPriv->pddsShadow, | |
947 | NULL, | |
948 | pScreenPriv->pddsdShadow, DDLOCK_WAIT, NULL); | |
949 | ||
950 | /* Has our memory pointer changed? */ | |
951 | if (pScreenInfo->pfb != pScreenPriv->pddsdShadow->lpSurface) | |
952 | winUpdateFBPointer(pScreen, pScreenPriv->pddsdShadow->lpSurface); | |
953 | ||
954 | fLocked = TRUE; | |
955 | } | |
956 | return fReturn; | |
957 | } | |
958 | ||
959 | /* | |
960 | * Do any engine-specific appliation-activation processing | |
961 | */ | |
962 | ||
963 | static Bool | |
964 | winActivateAppShadowDD(ScreenPtr pScreen) | |
965 | { | |
966 | winScreenPriv(pScreen); | |
967 | ||
968 | /* | |
969 | * Do we have a surface? | |
970 | * Are we active? | |
971 | * Are we fullscreen? | |
972 | */ | |
973 | if (pScreenPriv != NULL | |
974 | && pScreenPriv->pddsPrimary != NULL && pScreenPriv->fActive) { | |
975 | /* Primary surface was lost, restore it */ | |
976 | IDirectDrawSurface2_Restore(pScreenPriv->pddsPrimary); | |
977 | } | |
978 | ||
979 | return TRUE; | |
980 | } | |
981 | ||
982 | /* | |
983 | * Reblit the shadow framebuffer to the screen. | |
984 | */ | |
985 | ||
986 | static Bool | |
987 | winRedrawScreenShadowDD(ScreenPtr pScreen) | |
988 | { | |
989 | winScreenPriv(pScreen); | |
990 | winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; | |
991 | HRESULT ddrval = DD_OK; | |
992 | RECT rcSrc, rcDest; | |
993 | POINT ptOrigin; | |
994 | ||
995 | /* Get the origin of the window in the screen coords */ | |
996 | ptOrigin.x = pScreenInfo->dwXOffset; | |
997 | ptOrigin.y = pScreenInfo->dwYOffset; | |
998 | MapWindowPoints(pScreenPriv->hwndScreen, | |
999 | HWND_DESKTOP, (LPPOINT) &ptOrigin, 1); | |
1000 | rcDest.left = ptOrigin.x; | |
1001 | rcDest.right = ptOrigin.x + pScreenInfo->dwWidth; | |
1002 | rcDest.top = ptOrigin.y; | |
1003 | rcDest.bottom = ptOrigin.y + pScreenInfo->dwHeight; | |
1004 | ||
1005 | /* Source can be entire shadow surface, as Blt should clip for us */ | |
1006 | rcSrc.left = 0; | |
1007 | rcSrc.top = 0; | |
1008 | rcSrc.right = pScreenInfo->dwWidth; | |
1009 | rcSrc.bottom = pScreenInfo->dwHeight; | |
1010 | ||
1011 | /* Redraw the whole window, to take account for the new colors */ | |
1012 | ddrval = IDirectDrawSurface2_Blt(pScreenPriv->pddsPrimary, | |
1013 | &rcDest, | |
1014 | pScreenPriv->pddsShadow, | |
1015 | &rcSrc, DDBLT_WAIT, NULL); | |
1016 | if (FAILED(ddrval)) { | |
1017 | ErrorF("winRedrawScreenShadowDD - IDirectDrawSurface_Blt () " | |
1018 | "failed: %08x\n", (unsigned int) ddrval); | |
1019 | } | |
1020 | ||
1021 | return TRUE; | |
1022 | } | |
1023 | ||
1024 | /* | |
1025 | * Realize the currently installed colormap | |
1026 | */ | |
1027 | ||
1028 | static Bool | |
1029 | winRealizeInstalledPaletteShadowDD(ScreenPtr pScreen) | |
1030 | { | |
1031 | return TRUE; | |
1032 | } | |
1033 | ||
1034 | /* | |
1035 | * Install the specified colormap | |
1036 | */ | |
1037 | ||
1038 | static Bool | |
1039 | winInstallColormapShadowDD(ColormapPtr pColormap) | |
1040 | { | |
1041 | ScreenPtr pScreen = pColormap->pScreen; | |
1042 | ||
1043 | winScreenPriv(pScreen); | |
1044 | winCmapPriv(pColormap); | |
1045 | HRESULT ddrval = DD_OK; | |
1046 | ||
1047 | /* Install the DirectDraw palette on the primary surface */ | |
1048 | ddrval = IDirectDrawSurface2_SetPalette(pScreenPriv->pddsPrimary, | |
1049 | pCmapPriv->lpDDPalette); | |
1050 | if (FAILED(ddrval)) { | |
1051 | ErrorF("winInstallColormapShadowDD - Failed installing the " | |
1052 | "DirectDraw palette.\n"); | |
1053 | return FALSE; | |
1054 | } | |
1055 | ||
1056 | /* Save a pointer to the newly installed colormap */ | |
1057 | pScreenPriv->pcmapInstalled = pColormap; | |
1058 | ||
1059 | return TRUE; | |
1060 | } | |
1061 | ||
1062 | /* | |
1063 | * Store the specified colors in the specified colormap | |
1064 | */ | |
1065 | ||
1066 | static Bool | |
1067 | winStoreColorsShadowDD(ColormapPtr pColormap, int ndef, xColorItem * pdefs) | |
1068 | { | |
1069 | ScreenPtr pScreen = pColormap->pScreen; | |
1070 | ||
1071 | winScreenPriv(pScreen); | |
1072 | winCmapPriv(pColormap); | |
1073 | ColormapPtr curpmap = pScreenPriv->pcmapInstalled; | |
1074 | HRESULT ddrval = DD_OK; | |
1075 | ||
1076 | /* Put the X colormap entries into the Windows logical palette */ | |
1077 | ddrval = IDirectDrawPalette_SetEntries(pCmapPriv->lpDDPalette, | |
1078 | 0, | |
1079 | pdefs[0].pixel, | |
1080 | ndef, | |
1081 | pCmapPriv->peColors | |
1082 | + pdefs[0].pixel); | |
1083 | if (FAILED(ddrval)) { | |
1084 | ErrorF("winStoreColorsShadowDD - SetEntries () failed\n"); | |
1085 | return FALSE; | |
1086 | } | |
1087 | ||
1088 | /* Don't install the DirectDraw palette if the colormap is not installed */ | |
1089 | if (pColormap != curpmap) { | |
1090 | return TRUE; | |
1091 | } | |
1092 | ||
1093 | if (!winInstallColormapShadowDD(pColormap)) { | |
1094 | ErrorF("winStoreColorsShadowDD - Failed installing colormap\n"); | |
1095 | return FALSE; | |
1096 | } | |
1097 | ||
1098 | return TRUE; | |
1099 | } | |
1100 | ||
1101 | /* | |
1102 | * Colormap initialization procedure | |
1103 | */ | |
1104 | ||
1105 | static Bool | |
1106 | winCreateColormapShadowDD(ColormapPtr pColormap) | |
1107 | { | |
1108 | HRESULT ddrval = DD_OK; | |
1109 | ScreenPtr pScreen = pColormap->pScreen; | |
1110 | ||
1111 | winScreenPriv(pScreen); | |
1112 | winCmapPriv(pColormap); | |
1113 | ||
1114 | /* Create a DirectDraw palette */ | |
1115 | ddrval = IDirectDraw2_CreatePalette(pScreenPriv->pdd, | |
1116 | DDPCAPS_8BIT | DDPCAPS_ALLOW256, | |
1117 | pCmapPriv->peColors, | |
1118 | &pCmapPriv->lpDDPalette, NULL); | |
1119 | if (FAILED(ddrval)) { | |
1120 | ErrorF("winCreateColormapShadowDD - CreatePalette failed\n"); | |
1121 | return FALSE; | |
1122 | } | |
1123 | ||
1124 | return TRUE; | |
1125 | } | |
1126 | ||
1127 | /* | |
1128 | * Colormap destruction procedure | |
1129 | */ | |
1130 | ||
1131 | static Bool | |
1132 | winDestroyColormapShadowDD(ColormapPtr pColormap) | |
1133 | { | |
1134 | winScreenPriv(pColormap->pScreen); | |
1135 | winCmapPriv(pColormap); | |
1136 | HRESULT ddrval = DD_OK; | |
1137 | ||
1138 | /* | |
1139 | * Is colormap to be destroyed the default? | |
1140 | * | |
1141 | * Non-default colormaps should have had winUninstallColormap | |
1142 | * called on them before we get here. The default colormap | |
1143 | * will not have had winUninstallColormap called on it. Thus, | |
1144 | * we need to handle the default colormap in a special way. | |
1145 | */ | |
1146 | if (pColormap->flags & IsDefault) { | |
1147 | #if CYGDEBUG | |
1148 | winDebug("winDestroyColormapShadowDD - Destroying default " | |
1149 | "colormap\n"); | |
1150 | #endif | |
1151 | ||
1152 | /* | |
1153 | * FIXME: Walk the list of all screens, popping the default | |
1154 | * palette out of each screen device context. | |
1155 | */ | |
1156 | ||
1157 | /* Pop the palette out of the primary surface */ | |
1158 | ddrval = IDirectDrawSurface2_SetPalette(pScreenPriv->pddsPrimary, NULL); | |
1159 | if (FAILED(ddrval)) { | |
1160 | ErrorF("winDestroyColormapShadowDD - Failed freeing the " | |
1161 | "default colormap DirectDraw palette.\n"); | |
1162 | return FALSE; | |
1163 | } | |
1164 | ||
1165 | /* Clear our private installed colormap pointer */ | |
1166 | pScreenPriv->pcmapInstalled = NULL; | |
1167 | } | |
1168 | ||
1169 | /* Release the palette */ | |
1170 | IDirectDrawPalette_Release(pCmapPriv->lpDDPalette); | |
1171 | ||
1172 | /* Invalidate the colormap privates */ | |
1173 | pCmapPriv->lpDDPalette = NULL; | |
1174 | ||
1175 | return TRUE; | |
1176 | } | |
1177 | ||
1178 | /* | |
1179 | * Set engine specific functions | |
1180 | */ | |
1181 | ||
1182 | Bool | |
1183 | winSetEngineFunctionsShadowDD(ScreenPtr pScreen) | |
1184 | { | |
1185 | winScreenPriv(pScreen); | |
1186 | winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; | |
1187 | ||
1188 | /* Set our pointers */ | |
1189 | pScreenPriv->pwinAllocateFB = winAllocateFBShadowDD; | |
1190 | pScreenPriv->pwinFreeFB = winFreeFBShadowDD; | |
1191 | pScreenPriv->pwinShadowUpdate = winShadowUpdateDD; | |
1192 | pScreenPriv->pwinInitScreen = winInitScreenShadowDD; | |
1193 | pScreenPriv->pwinCloseScreen = winCloseScreenShadowDD; | |
1194 | pScreenPriv->pwinInitVisuals = winInitVisualsShadowDD; | |
1195 | pScreenPriv->pwinAdjustVideoMode = winAdjustVideoModeShadowDD; | |
1196 | if (pScreenInfo->fFullScreen) | |
1197 | pScreenPriv->pwinCreateBoundingWindow = | |
1198 | winCreateBoundingWindowFullScreen; | |
1199 | else | |
1200 | pScreenPriv->pwinCreateBoundingWindow = winCreateBoundingWindowWindowed; | |
1201 | pScreenPriv->pwinFinishScreenInit = winFinishScreenInitFB; | |
1202 | pScreenPriv->pwinBltExposedRegions = winBltExposedRegionsShadowDD; | |
1203 | pScreenPriv->pwinActivateApp = winActivateAppShadowDD; | |
1204 | pScreenPriv->pwinRedrawScreen = winRedrawScreenShadowDD; | |
1205 | pScreenPriv->pwinRealizeInstalledPalette | |
1206 | = winRealizeInstalledPaletteShadowDD; | |
1207 | pScreenPriv->pwinInstallColormap = winInstallColormapShadowDD; | |
1208 | pScreenPriv->pwinStoreColors = winStoreColorsShadowDD; | |
1209 | pScreenPriv->pwinCreateColormap = winCreateColormapShadowDD; | |
1210 | pScreenPriv->pwinDestroyColormap = winDestroyColormapShadowDD; | |
1211 | pScreenPriv->pwinHotKeyAltTab = | |
1212 | (winHotKeyAltTabProcPtr) (void (*)(void)) NoopDDA; | |
1213 | pScreenPriv->pwinCreatePrimarySurface = winCreatePrimarySurfaceShadowDD; | |
1214 | pScreenPriv->pwinReleasePrimarySurface = winReleasePrimarySurfaceShadowDD; | |
1215 | #ifdef XWIN_MULTIWINDOW | |
1216 | pScreenPriv->pwinFinishCreateWindowsWindow = | |
1217 | (winFinishCreateWindowsWindowProcPtr) (void (*)(void)) NoopDDA; | |
1218 | #endif | |
1219 | ||
1220 | return TRUE; | |
1221 | } |