| 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 | } |