diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/xwin/winshaddd.c')
| -rw-r--r-- | nx-X11/programs/Xserver/hw/xwin/winshaddd.c | 1443 |
1 files changed, 0 insertions, 1443 deletions
diff --git a/nx-X11/programs/Xserver/hw/xwin/winshaddd.c b/nx-X11/programs/Xserver/hw/xwin/winshaddd.c deleted file mode 100644 index 607a0674a..000000000 --- a/nx-X11/programs/Xserver/hw/xwin/winshaddd.c +++ /dev/null @@ -1,1443 +0,0 @@ -/* - *Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved. - * - *Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files (the - *"Software"), to deal in the Software without restriction, including - *without limitation the rights to use, copy, modify, merge, publish, - *distribute, sublicense, and/or sell copies of the Software, and to - *permit persons to whom the Software is furnished to do so, subject to - *the following conditions: - * - *The above copyright notice and this permission notice shall be - *included in all copies or substantial portions of the Software. - * - *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - *NONINFRINGEMENT. IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE FOR - *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - *Except as contained in this notice, the name of the XFree86 Project - *shall not be used in advertising or otherwise to promote the sale, use - *or other dealings in this Software without prior written authorization - *from the XFree86 Project. - * - * Authors: Dakshinamurthy Karra - * Suhaib M Siddiqi - * Peter Busch - * Harold L Hunt II - */ -/* $XFree86: xc/programs/Xserver/hw/xwin/winshaddd.c,v 1.22 2002/10/17 08:18:24 alanh Exp $ */ - -#ifdef HAVE_XWIN_CONFIG_H -#include <xwin-config.h> -#endif -#include "win.h" - - -/* - * External symbols - */ - -extern HWND g_hDlgExit; - - -/* - * FIXME: Headers are broken, DEFINE_GUID doesn't work correctly, - * so we have to redefine it here. - */ -#ifdef DEFINE_GUID -#undef DEFINE_GUID -#define DEFINE_GUID(n,l,w1,w2,b1,b2,b3,b4,b5,b6,b7,b8) const GUID n GUID_SECT = {l,w1,w2,{b1,b2,b3,b4,b5,b6,b7,b8}} -#endif /* DEFINE_GUID */ - - -/* - * FIXME: Headers are broken, IID_IDirectDraw4 has to be defined - * here manually. Should be handled by ddraw.h - */ -#ifndef IID_IDirectDraw2 -DEFINE_GUID( IID_IDirectDraw2,0xB3A6F3E0,0x2B43,0x11CF,0xA2,0xDE,0x00,0xAA,0x00,0xB9,0x33,0x56 ); -#endif /* IID_IDirectDraw2 */ - - -/* - * Local prototypes - */ - -static Bool -winAllocateFBShadowDD (ScreenPtr pScreen); - -static void -winShadowUpdateDD (ScreenPtr pScreen, - shadowBufPtr pBuf); - -static Bool -winCloseScreenShadowDD (int nIndex, ScreenPtr pScreen); - -static Bool -winInitVisualsShadowDD (ScreenPtr pScreen); - -static Bool -winAdjustVideoModeShadowDD (ScreenPtr pScreen); - -static Bool -winBltExposedRegionsShadowDD (ScreenPtr pScreen); - -static Bool -winActivateAppShadowDD (ScreenPtr pScreen); - -static Bool -winRedrawScreenShadowDD (ScreenPtr pScreen); - -static Bool -winRealizeInstalledPaletteShadowDD (ScreenPtr pScreen); - -static Bool -winInstallColormapShadowDD (ColormapPtr pColormap); - -static Bool -winStoreColorsShadowDD (ColormapPtr pmap, - int ndef, - xColorItem *pdefs); - -static Bool -winCreateColormapShadowDD (ColormapPtr pColormap); - -static Bool -winDestroyColormapShadowDD (ColormapPtr pColormap); - -static Bool -winCreatePrimarySurfaceShadowDD (ScreenPtr pScreen); - -static Bool -winReleasePrimarySurfaceShadowDD (ScreenPtr pScreen); - - -/* - * Create the primary surface and attach the clipper. - * Used for both the initial surface creation and during - * WM_DISPLAYCHANGE messages. - */ - -static Bool -winCreatePrimarySurfaceShadowDD (ScreenPtr pScreen) -{ - winScreenPriv(pScreen); - HRESULT ddrval = DD_OK; - DDSURFACEDESC ddsd; - - /* Describe the primary surface */ - ZeroMemory (&ddsd, sizeof (ddsd)); - ddsd.dwSize = sizeof (ddsd); - ddsd.dwFlags = DDSD_CAPS; - ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE; - - /* Create the primary surface */ - ddrval = IDirectDraw2_CreateSurface (pScreenPriv->pdd2, - &ddsd, - &pScreenPriv->pddsPrimary, - NULL); - if (FAILED (ddrval)) - { - ErrorF ("winCreatePrimarySurfaceShadowDD - Could not create primary " - "surface: %08x\n", (unsigned int) ddrval); - return FALSE; - } - -#if CYGDEBUG - winDebug ("winCreatePrimarySurfaceShadowDD - Created primary surface\n"); -#endif - - /* - * Attach a clipper to the primary surface that will clip our blits to our - * display window. - */ - ddrval = IDirectDrawSurface2_SetClipper (pScreenPriv->pddsPrimary, - pScreenPriv->pddcPrimary); - if (FAILED (ddrval)) - { - ErrorF ("winCreatePrimarySurfaceShadowDD - Primary attach clipper " - "failed: %08x\n", - (unsigned int) ddrval); - return FALSE; - } - -#if CYGDEBUG - winDebug ("winCreatePrimarySurfaceShadowDD - Attached clipper to " - "primary surface\n"); -#endif - - /* Everything was correct */ - return TRUE; -} - - -/* - * Detach the clipper and release the primary surface. - * Called from WM_DISPLAYCHANGE. - */ - -static Bool -winReleasePrimarySurfaceShadowDD (ScreenPtr pScreen) -{ - winScreenPriv(pScreen); - - ErrorF ("winReleasePrimarySurfaceShadowDD - Hello\n"); - - /* Release the primary surface and clipper, if they exist */ - if (pScreenPriv->pddsPrimary) - { - /* - * Detach the clipper from the primary surface. - * NOTE: We do this explicity for clarity. The Clipper is not released. - */ - IDirectDrawSurface2_SetClipper (pScreenPriv->pddsPrimary, - NULL); - - ErrorF ("winReleasePrimarySurfaceShadowDD - Detached clipper\n"); - - /* Release the primary surface */ - IDirectDrawSurface2_Release (pScreenPriv->pddsPrimary); - pScreenPriv->pddsPrimary = NULL; - } - - ErrorF ("winReleasePrimarySurfaceShadowDD - Released primary surface\n"); - - return TRUE; -} - - -/* - * Create a DirectDraw surface for the shadow framebuffer; also create - * a primary surface object so we can blit to the display. - * - * Install a DirectDraw clipper on our primary surface object - * that clips our blits to the unobscured client area of our display window. - */ - -static Bool -winAllocateFBShadowDD (ScreenPtr pScreen) -{ - winScreenPriv(pScreen); - winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; - HRESULT ddrval = DD_OK; - DDSURFACEDESC ddsd; - DDSURFACEDESC *pddsdShadow = NULL; - -#if CYGDEBUG - winDebug ("winAllocateFBShadowDD\n"); -#endif - - /* Create a clipper */ - ddrval = (*g_fpDirectDrawCreateClipper) (0, - &pScreenPriv->pddcPrimary, - NULL); - if (FAILED (ddrval)) - { - ErrorF ("winAllocateFBShadowDD - Could not create clipper: %08x\n", - (unsigned int) ddrval); - return FALSE; - } - -#if CYGDEBUG - winDebug ("winAllocateFBShadowDD - Created a clipper\n"); -#endif - - /* Get a device context for the screen */ - pScreenPriv->hdcScreen = GetDC (pScreenPriv->hwndScreen); - - /* Attach the clipper to our display window */ - ddrval = IDirectDrawClipper_SetHWnd (pScreenPriv->pddcPrimary, - 0, - pScreenPriv->hwndScreen); - if (FAILED (ddrval)) - { - ErrorF ("winAllocateFBShadowDD - Clipper not attached to " - "window: %08x\n", - (unsigned int) ddrval); - return FALSE; - } - -#if CYGDEBUG - winDebug ("winAllocateFBShadowDD - Attached clipper to window\n"); -#endif - - /* Create a DirectDraw object, store the address at lpdd */ - ddrval = (*g_fpDirectDrawCreate) (NULL, &pScreenPriv->pdd, NULL); - if (FAILED (ddrval)) - { - ErrorF ("winAllocateFBShadowDD - Could not start DirectDraw: %08x\n", - (unsigned int) ddrval); - return FALSE; - } - -#if CYGDEBUG - winDebug ("winAllocateFBShadowDD () - Created and initialized DD\n"); -#endif - - /* Get a DirectDraw2 interface pointer */ - ddrval = IDirectDraw_QueryInterface (pScreenPriv->pdd, - &IID_IDirectDraw2, - (LPVOID*) &pScreenPriv->pdd2); - if (FAILED (ddrval)) - { - ErrorF ("winAllocateFBShadowDD - Failed DD2 query: %08x\n", - (unsigned int) ddrval); - return FALSE; - } - - /* Are we full screen? */ - if (pScreenInfo->fFullScreen) - { - DDSURFACEDESC ddsdCurrent; - DWORD dwRefreshRateCurrent = 0; - HDC hdc = NULL; - - /* Set the cooperative level to full screen */ - ddrval = IDirectDraw2_SetCooperativeLevel (pScreenPriv->pdd2, - pScreenPriv->hwndScreen, - DDSCL_EXCLUSIVE - | DDSCL_FULLSCREEN); - if (FAILED (ddrval)) - { - ErrorF ("winAllocateFBShadowDD - Could not set " - "cooperative level: %08x\n", - (unsigned int) ddrval); - return FALSE; - } - - /* - * We only need to get the current refresh rate for comparison - * if a refresh rate has been passed on the command line. - */ - if (pScreenInfo->dwRefreshRate != 0) - { - ZeroMemory (&ddsdCurrent, sizeof (ddsdCurrent)); - ddsdCurrent.dwSize = sizeof (ddsdCurrent); - - /* Get information about current display settings */ - ddrval = IDirectDraw2_GetDisplayMode (pScreenPriv->pdd2, - &ddsdCurrent); - if (FAILED (ddrval)) - { - ErrorF ("winAllocateFBShadowDD - Could not get current " - "refresh rate: %08x. Continuing.\n", - (unsigned int) ddrval); - dwRefreshRateCurrent = 0; - } - else - { - /* Grab the current refresh rate */ - dwRefreshRateCurrent = ddsdCurrent.u2.dwRefreshRate; - } - } - - /* Clean up the refresh rate */ - if (dwRefreshRateCurrent == pScreenInfo->dwRefreshRate) - { - /* - * Refresh rate is non-specified or equal to current. - */ - pScreenInfo->dwRefreshRate = 0; - } - - /* Grab a device context for the screen */ - hdc = GetDC (NULL); - if (hdc == NULL) - { - ErrorF ("winAllocateFBShadowDD - GetDC () failed\n"); - return FALSE; - } - - /* Only change the video mode when different than current mode */ - if (!pScreenInfo->fMultipleMonitors - && (pScreenInfo->dwWidth != GetSystemMetrics (SM_CXSCREEN) - || pScreenInfo->dwHeight != GetSystemMetrics (SM_CYSCREEN) - || pScreenInfo->dwBPP != GetDeviceCaps (hdc, BITSPIXEL) - || pScreenInfo->dwRefreshRate != 0)) - { - ErrorF ("winAllocateFBShadowDD - Changing video mode\n"); - - /* Change the video mode to the mode requested */ - ddrval = IDirectDraw2_SetDisplayMode (pScreenPriv->pdd2, - pScreenInfo->dwWidth, - pScreenInfo->dwHeight, - pScreenInfo->dwBPP, - pScreenInfo->dwRefreshRate, - 0); - if (FAILED (ddrval)) - { - ErrorF ("winAllocateFBShadowDD - Could not set "\ - "full screen display mode: %08x\n", - (unsigned int) ddrval); - return FALSE; - } - } - else - { - ErrorF ("winAllocateFBShadowDD - Not changing video mode\n"); - } - - /* Release our DC */ - ReleaseDC (NULL, hdc); - hdc = NULL; - } - else - { - /* Set the cooperative level for windowed mode */ - ddrval = IDirectDraw2_SetCooperativeLevel (pScreenPriv->pdd2, - pScreenPriv->hwndScreen, - DDSCL_NORMAL); - if (FAILED (ddrval)) - { - ErrorF ("winAllocateFBShadowDD - Could not set "\ - "cooperative level: %08x\n", - (unsigned int) ddrval); - return FALSE; - } - } - - /* Create the primary surface */ - if (!winCreatePrimarySurfaceShadowDD (pScreen)) - { - ErrorF ("winAllocateFBShadowDD - winCreatePrimarySurfaceShadowDD " - "failed\n"); - return FALSE; - } - - /* Describe the shadow surface to be created */ - /* NOTE: Do not use a DDSCAPS_VIDEOMEMORY surface, - * as drawing, locking, and unlocking take forever - * with video memory surfaces. In addition, - * video memory is a somewhat scarce resource, - * so you shouldn't be allocating video memory when - * you have the option of using system memory instead. - */ - ZeroMemory (&ddsd, sizeof (ddsd)); - ddsd.dwSize = sizeof (ddsd); - ddsd.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH; - ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_SYSTEMMEMORY; - ddsd.dwHeight = pScreenInfo->dwHeight; - ddsd.dwWidth = pScreenInfo->dwWidth; - - /* Create the shadow surface */ - ddrval = IDirectDraw2_CreateSurface (pScreenPriv->pdd2, - &ddsd, - &pScreenPriv->pddsShadow, - NULL); - if (FAILED (ddrval)) - { - ErrorF ("winAllocateFBShadowDD - Could not create shadow "\ - "surface: %08x\n", (unsigned int) ddrval); - return FALSE; - } - -#if CYGDEBUG - winDebug ("winAllocateFBShadowDD - Created shadow\n"); -#endif - - /* Allocate a DD surface description for our screen privates */ - pddsdShadow = pScreenPriv->pddsdShadow = malloc (sizeof (DDSURFACEDESC)); - if (pddsdShadow == NULL) - { - ErrorF ("winAllocateFBShadowDD - Could not allocate surface "\ - "description memory\n"); - return FALSE; - } - ZeroMemory (pddsdShadow, sizeof (*pddsdShadow)); - pddsdShadow->dwSize = sizeof (*pddsdShadow); - -#if CYGDEBUG - winDebug ("winAllocateFBShadowDD - Locking shadow\n"); -#endif - - /* Lock the shadow surface */ - ddrval = IDirectDrawSurface2_Lock (pScreenPriv->pddsShadow, - NULL, - pddsdShadow, - DDLOCK_WAIT, - NULL); - if (FAILED (ddrval) || pddsdShadow->lpSurface == NULL) - { - ErrorF ("winAllocateFBShadowDD - Could not lock shadow "\ - "surface: %08x\n", (unsigned int) ddrval); - return FALSE; - } - -#if CYGDEBUG - winDebug ("winAllocateFBShadowDD - Locked shadow\n"); -#endif - - /* We don't know how to deal with anything other than RGB */ - if (!(pddsdShadow->ddpfPixelFormat.dwFlags & DDPF_RGB)) - { - ErrorF ("winAllocateFBShadowDD - Color format other than RGB\n"); - return FALSE; - } - - /* Grab the pitch from the surface desc */ - pScreenInfo->dwStride = (pddsdShadow->u1.lPitch * 8) - / pScreenInfo->dwBPP; - - /* Save the pointer to our surface memory */ - pScreenInfo->pfb = pddsdShadow->lpSurface; - - /* Grab the color depth and masks from the surface description */ - pScreenPriv->dwRedMask = pddsdShadow->ddpfPixelFormat.u2.dwRBitMask; - pScreenPriv->dwGreenMask = pddsdShadow->ddpfPixelFormat.u3.dwGBitMask; - pScreenPriv->dwBlueMask = pddsdShadow->ddpfPixelFormat.u4.dwBBitMask; - -#if CYGDEBUG - winDebug ("winAllocateFBShadowDD - Returning\n"); -#endif - - return TRUE; -} - - -/* - * Transfer the damaged regions of the shadow framebuffer to the display. - */ - -static void -winShadowUpdateDD (ScreenPtr pScreen, - shadowBufPtr pBuf) -{ - winScreenPriv(pScreen); - winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; - RegionPtr damage = &pBuf->damage; - HRESULT ddrval = DD_OK; - RECT rcDest, rcSrc; - POINT ptOrigin; - DWORD dwBox = REGION_NUM_RECTS (damage); - BoxPtr pBox = REGION_RECTS (damage); - HRGN hrgnTemp = NULL, hrgnCombined = NULL; - - /* - * Return immediately if the app is not active - * and we are fullscreen, or if we have a bad display depth - */ - if ((!pScreenPriv->fActive && pScreenInfo->fFullScreen) - || pScreenPriv->fBadDepth) return; - - /* Get the origin of the window in the screen coords */ - ptOrigin.x = pScreenInfo->dwXOffset; - ptOrigin.y = pScreenInfo->dwYOffset; - MapWindowPoints (pScreenPriv->hwndScreen, - HWND_DESKTOP, - (LPPOINT)&ptOrigin, 1); - - /* Unlock the shadow surface, so we can blit */ - ddrval = IDirectDrawSurface2_Unlock (pScreenPriv->pddsShadow, NULL); - if (FAILED (ddrval)) - { - ErrorF ("winShadowUpdateProcDD - Unlock failed\n"); - return; - } - - /* - * Handle small regions with multiple blits, - * handle large regions by creating a clipping region and - * doing a single blit constrained to that clipping region. - */ - if (pScreenInfo->dwClipUpdatesNBoxes == 0 - || dwBox < pScreenInfo->dwClipUpdatesNBoxes) - { - /* Loop through all boxes in the damaged region */ - while (dwBox--) - { - /* Assign damage box to source rectangle */ - rcSrc.left = pBox->x1; - rcSrc.top = pBox->y1; - rcSrc.right = pBox->x2; - rcSrc.bottom = pBox->y2; - - /* Calculate destination rectange */ - rcDest.left = ptOrigin.x + rcSrc.left; - rcDest.top = ptOrigin.y + rcSrc.top; - rcDest.right = ptOrigin.x + rcSrc.right; - rcDest.bottom = ptOrigin.y + rcSrc.bottom; - - /* Blit the damaged areas */ - ddrval = IDirectDrawSurface2_Blt (pScreenPriv->pddsPrimary, - &rcDest, - pScreenPriv->pddsShadow, - &rcSrc, - DDBLT_WAIT, - NULL); - - /* Get a pointer to the next box */ - ++pBox; - } - } - else - { - BoxPtr pBoxExtents = REGION_EXTENTS (pScreen, damage); - - /* Compute a GDI region from the damaged region */ - hrgnCombined = CreateRectRgn (pBox->x1, pBox->y1, pBox->x2, pBox->y2); - dwBox--; - pBox++; - while (dwBox--) - { - hrgnTemp = CreateRectRgn (pBox->x1, pBox->y1, pBox->x2, pBox->y2); - CombineRgn (hrgnCombined, hrgnCombined, hrgnTemp, RGN_OR); - DeleteObject (hrgnTemp); - pBox++; - } - - /* Install the GDI region as a clipping region */ - SelectClipRgn (pScreenPriv->hdcScreen, hrgnCombined); - DeleteObject (hrgnCombined); - hrgnCombined = NULL; - - /* Calculating a bounding box for the source is easy */ - rcSrc.left = pBoxExtents->x1; - rcSrc.top = pBoxExtents->y1; - rcSrc.right = pBoxExtents->x2; - rcSrc.bottom = pBoxExtents->y2; - - /* Calculating a bounding box for the destination is trickier */ - rcDest.left = ptOrigin.x + rcSrc.left; - rcDest.top = ptOrigin.y + rcSrc.top; - rcDest.right = ptOrigin.x + rcSrc.right; - rcDest.bottom = ptOrigin.y + rcSrc.bottom; - - /* Our Blt should be clipped to the invalidated region */ - ddrval = IDirectDrawSurface2_Blt (pScreenPriv->pddsPrimary, - &rcDest, - pScreenPriv->pddsShadow, - &rcSrc, - DDBLT_WAIT, - NULL); - - /* Reset the clip region */ - SelectClipRgn (pScreenPriv->hdcScreen, NULL); - } - - /* Relock the shadow surface */ - ddrval = IDirectDrawSurface2_Lock (pScreenPriv->pddsShadow, - NULL, - pScreenPriv->pddsdShadow, - DDLOCK_WAIT, - NULL); - if (FAILED (ddrval)) - { - ErrorF ("winShadowUpdateProcDD - Lock failed\n"); - return; - } - - /* Has our memory pointer changed? */ - if (pScreenInfo->pfb != pScreenPriv->pddsdShadow->lpSurface) - { - ErrorF ("winShadowUpdateProcDD - Memory location of the shadow " - "surface has changed, trying to update the root window " - "pixmap header to point to the new address. If you get " - "this message and "PROJECT_NAME" freezes or crashes " - "after this message then send a problem report and your " - "/tmp/XWin.log file to cygwin-xfree@cygwin.com\n"); - - /* Location of shadow framebuffer has changed */ - pScreenInfo->pfb = pScreenPriv->pddsdShadow->lpSurface; - - /* Update the screen pixmap */ - if (!(*pScreen->ModifyPixmapHeader)(pScreen->devPrivate, - pScreen->width, - pScreen->height, - pScreen->rootDepth, - BitsPerPixel (pScreen->rootDepth), - PixmapBytePad (pScreenInfo->dwStride, - pScreenInfo->dwBPP), - pScreenInfo->pfb)) - { - ErrorF ("winShadowUpdateProcDD - Bits changed, could not " - "notify fb.\n"); - return; - } - } -} - - -/* - * Call the wrapped CloseScreen function. - * - * Free our resources and private structures. - */ - -static Bool -winCloseScreenShadowDD (int nIndex, ScreenPtr pScreen) -{ - winScreenPriv(pScreen); - winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; - Bool fReturn; - -#if CYGDEBUG - winDebug ("winCloseScreenShadowDD - Freeing screen resources\n"); -#endif - - /* Flag that the screen is closed */ - pScreenPriv->fClosed = TRUE; - pScreenPriv->fActive = FALSE; - - /* Call the wrapped CloseScreen procedure */ - WIN_UNWRAP(CloseScreen); - fReturn = (*pScreen->CloseScreen) (nIndex, pScreen); - - /* Free the screen DC */ - ReleaseDC (pScreenPriv->hwndScreen, pScreenPriv->hdcScreen); - - /* Delete the window property */ - RemoveProp (pScreenPriv->hwndScreen, WIN_SCR_PROP); - - /* Free the shadow surface, if there is one */ - if (pScreenPriv->pddsShadow) - { - IDirectDrawSurface2_Unlock (pScreenPriv->pddsShadow, NULL); - IDirectDrawSurface2_Release (pScreenPriv->pddsShadow); - pScreenPriv->pddsShadow = NULL; - } - - /* Detach the clipper from the primary surface and release the clipper. */ - if (pScreenPriv->pddcPrimary) - { - /* Detach the clipper */ - IDirectDrawSurface2_SetClipper (pScreenPriv->pddsPrimary, - NULL); - - /* Release the clipper object */ - IDirectDrawClipper_Release (pScreenPriv->pddcPrimary); - pScreenPriv->pddcPrimary = NULL; - } - - /* Release the primary surface, if there is one */ - if (pScreenPriv->pddsPrimary) - { - IDirectDrawSurface2_Release (pScreenPriv->pddsPrimary); - pScreenPriv->pddsPrimary = NULL; - } - - /* Free the DirectDraw2 object, if there is one */ - if (pScreenPriv->pdd2) - { - IDirectDraw2_RestoreDisplayMode (pScreenPriv->pdd2); - IDirectDraw2_Release (pScreenPriv->pdd2); - pScreenPriv->pdd2 = NULL; - } - - /* Free the DirectDraw object, if there is one */ - if (pScreenPriv->pdd) - { - IDirectDraw_Release (pScreenPriv->pdd); - pScreenPriv->pdd = NULL; - } - - /* Delete tray icon, if we have one */ - if (!pScreenInfo->fNoTrayIcon) - winDeleteNotifyIcon (pScreenPriv); - - /* Free the exit confirmation dialog box, if it exists */ - if (g_hDlgExit != NULL) - { - DestroyWindow (g_hDlgExit); - g_hDlgExit = NULL; - } - - /* Kill our window */ - if (pScreenPriv->hwndScreen) - { - DestroyWindow (pScreenPriv->hwndScreen); - pScreenPriv->hwndScreen = NULL; - } - -#if defined(XWIN_CLIPBOARD) || defined(XWIN_MULTIWINDOW) - /* Destroy the thread startup mutex */ - pthread_mutex_destroy (&pScreenPriv->pmServerStarted); -#endif - - /* Kill our screeninfo's pointer to the screen */ - pScreenInfo->pScreen = NULL; - - /* Invalidate the ScreenInfo's fb pointer */ - pScreenInfo->pfb = NULL; - - /* Free the screen privates for this screen */ - free ((pointer) pScreenPriv); - - return fReturn; -} - - -/* - * Tell mi what sort of visuals we need. - * - * Generally we only need one visual, as our screen can only - * handle one format at a time, I believe. You may want - * to verify that last sentence. - */ - -static Bool -winInitVisualsShadowDD (ScreenPtr pScreen) -{ - winScreenPriv(pScreen); - winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; - DWORD dwRedBits, dwGreenBits, dwBlueBits; - - /* Count the number of ones in each color mask */ - dwRedBits = winCountBits (pScreenPriv->dwRedMask); - dwGreenBits = winCountBits (pScreenPriv->dwGreenMask); - dwBlueBits = winCountBits (pScreenPriv->dwBlueMask); - - /* Store the maximum number of ones in a color mask as the bitsPerRGB */ - if (dwRedBits == 0 || dwGreenBits == 0 || dwBlueBits == 0) - pScreenPriv->dwBitsPerRGB = 8; - else if (dwRedBits > dwGreenBits && dwRedBits > dwBlueBits) - pScreenPriv->dwBitsPerRGB = dwRedBits; - else if (dwGreenBits > dwRedBits && dwGreenBits > dwBlueBits) - pScreenPriv->dwBitsPerRGB = dwGreenBits; - else - pScreenPriv->dwBitsPerRGB = dwBlueBits; - - ErrorF ("winInitVisualsShadowDD - Masks %08x %08x %08x BPRGB %d d %d " - "bpp %d\n", - (unsigned int) pScreenPriv->dwRedMask, - (unsigned int) pScreenPriv->dwGreenMask, - (unsigned int) pScreenPriv->dwBlueMask, - (int) pScreenPriv->dwBitsPerRGB, - (int) pScreenInfo->dwDepth, - (int) pScreenInfo->dwBPP); - - /* Create a single visual according to the Windows screen depth */ - switch (pScreenInfo->dwDepth) - { - case 24: - case 16: - case 15: -#if defined(XFree86Server) - /* Create the real visual */ - if (!miSetVisualTypesAndMasks (pScreenInfo->dwDepth, - TrueColorMask, - pScreenPriv->dwBitsPerRGB, - TrueColor, - pScreenPriv->dwRedMask, - pScreenPriv->dwGreenMask, - pScreenPriv->dwBlueMask)) - { - ErrorF ("winInitVisualsShadowDD - miSetVisualTypesAndMasks " - "failed for TrueColor\n"); - return FALSE; - } - -#ifdef XWIN_EMULATEPSEUDO - if (!pScreenInfo->fEmulatePseudo) - break; - - /* Setup a pseudocolor visual */ - if (!miSetVisualTypesAndMasks (8, - PseudoColorMask, - 8, - -1, - 0, - 0, - 0)) - { - ErrorF ("winInitVisualsShadowDD - miSetVisualTypesAndMasks " - "failed for PseudoColor\n"); - return FALSE; - } -#endif -#else /* XFree86Server */ - /* Create the real visual */ - if (!fbSetVisualTypesAndMasks (pScreenInfo->dwDepth, - TrueColorMask, - pScreenPriv->dwBitsPerRGB, - pScreenPriv->dwRedMask, - pScreenPriv->dwGreenMask, - pScreenPriv->dwBlueMask)) - { - ErrorF ("winInitVisualsShadowDD - fbSetVisualTypesAndMasks " - "failed for TrueColor\n"); - return FALSE; - } - -#ifdef XWIN_EMULATEPSEUDO - if (!pScreenInfo->fEmulatePseudo) - break; - - /* Setup a pseudocolor visual */ - if (!fbSetVisualTypesAndMasks (8, - PseudoColorMask, - 8, - 0, - 0, - 0)) - { - ErrorF ("winInitVisualsShadowDD - fbSetVisualTypesAndMasks " - "failed for PseudoColor\n"); - return FALSE; - } -#endif -#endif /* XFree86Server */ - break; - - case 8: -#if defined(XFree86Server) - if (!miSetVisualTypesAndMasks (pScreenInfo->dwDepth, - pScreenInfo->fFullScreen - ? PseudoColorMask : StaticColorMask, - pScreenPriv->dwBitsPerRGB, - pScreenInfo->fFullScreen - ? PseudoColor : StaticColor, - pScreenPriv->dwRedMask, - pScreenPriv->dwGreenMask, - pScreenPriv->dwBlueMask)) - { - ErrorF ("winInitVisualsShadowDD - miSetVisualTypesAndMasks " - "failed\n"); - return FALSE; - } -#else /* XFree86Server */ - if (!fbSetVisualTypesAndMasks (pScreenInfo->dwDepth, - pScreenInfo->fFullScreen - ? PseudoColorMask : StaticColorMask, - pScreenPriv->dwBitsPerRGB, - pScreenPriv->dwRedMask, - pScreenPriv->dwGreenMask, - pScreenPriv->dwBlueMask)) - { - ErrorF ("winInitVisualsShadowDD - fbSetVisualTypesAndMasks " - "failed\n"); - return FALSE; - } -#endif /* XFree86Server */ - break; - - default: - ErrorF ("winInitVisualsShadowDD - Unknown screen depth\n"); - return FALSE; - } - -#if CYGDEBUG - winDebug ("winInitVisualsShadowDD - Returning\n"); -#endif - - return TRUE; -} - - -/* - * Adjust the user proposed video mode - */ - -static Bool -winAdjustVideoModeShadowDD (ScreenPtr pScreen) -{ - winScreenPriv(pScreen); - winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; - HDC hdc = NULL; - DWORD dwBPP; - - /* We're in serious trouble if we can't get a DC */ - hdc = GetDC (NULL); - if (hdc == NULL) - { - ErrorF ("winAdjustVideoModeShadowDD - GetDC () failed\n"); - return FALSE; - } - - /* Query GDI for current display depth */ - dwBPP = GetDeviceCaps (hdc, BITSPIXEL); - - /* DirectDraw can only change the depth in fullscreen mode */ - if (pScreenInfo->dwBPP == WIN_DEFAULT_BPP) - { - /* No -depth parameter passed, let the user know the depth being used */ - ErrorF ("winAdjustVideoModeShadowDD - Using Windows display " - "depth of %d bits per pixel\n", (int) dwBPP); - - /* Use GDI's depth */ - pScreenInfo->dwBPP = dwBPP; - } - else if (pScreenInfo->fFullScreen - && pScreenInfo->dwBPP != dwBPP) - { - /* FullScreen, and GDI depth differs from -depth parameter */ - ErrorF ("winAdjustVideoModeShadowDD - FullScreen, using command line " - "bpp: %d\n", (int) pScreenInfo->dwBPP); - } - else if (dwBPP != pScreenInfo->dwBPP) - { - /* Windowed, and GDI depth differs from -depth parameter */ - ErrorF ("winAdjustVideoModeShadowDD - Windowed, command line bpp: " - "%d, using bpp: %d\n", (int) pScreenInfo->dwBPP, (int) dwBPP); - - /* We'll use GDI's depth */ - pScreenInfo->dwBPP = dwBPP; - } - - /* See if the shadow bitmap will be larger than the DIB size limit */ - if (pScreenInfo->dwWidth * pScreenInfo->dwHeight * pScreenInfo->dwBPP - >= WIN_DIB_MAXIMUM_SIZE) - { - ErrorF ("winAdjustVideoModeShadowDD - Requested DirectDraw surface " - "will be larger than %d MB. The surface may fail to be " - "allocated on Windows 95, 98, or Me, due to a %d MB limit in " - "DIB size. This limit does not apply to Windows NT/2000, and " - "this message may be ignored on those platforms.\n", - WIN_DIB_MAXIMUM_SIZE_MB, WIN_DIB_MAXIMUM_SIZE_MB); - } - - /* Release our DC */ - ReleaseDC (NULL, hdc); - return TRUE; -} - - -/* - * Blt exposed regions to the screen - */ - -static Bool -winBltExposedRegionsShadowDD (ScreenPtr pScreen) -{ - winScreenPriv(pScreen); - winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; - RECT rcSrc, rcDest; - POINT ptOrigin; - HDC hdcUpdate = NULL; - PAINTSTRUCT ps; - HRESULT ddrval = DD_OK; - Bool fReturn = TRUE; - Bool fLocked = TRUE; - int i; - - /* BeginPaint gives us an hdc that clips to the invalidated region */ - hdcUpdate = BeginPaint (pScreenPriv->hwndScreen, &ps); - if (hdcUpdate == NULL) - { - ErrorF ("winBltExposedRegionsShadowDD - BeginPaint () returned " - "a NULL device context handle. Aborting blit attempt.\n"); - return FALSE; - } - - /* Unlock the shadow surface, so we can blit */ - ddrval = IDirectDrawSurface2_Unlock (pScreenPriv->pddsShadow, NULL); - if (FAILED (ddrval)) - { - fReturn = FALSE; - goto winBltExposedRegionsShadowDD_Exit; - } - else - { - /* Flag that we have unlocked the shadow surface */ - fLocked = FALSE; - } - - /* Get the origin of the window in the screen coords */ - ptOrigin.x = pScreenInfo->dwXOffset; - ptOrigin.y = pScreenInfo->dwYOffset; - - MapWindowPoints (pScreenPriv->hwndScreen, - HWND_DESKTOP, - (LPPOINT)&ptOrigin, 1); - rcDest.left = ptOrigin.x; - rcDest.right = ptOrigin.x + pScreenInfo->dwWidth; - rcDest.top = ptOrigin.y; - rcDest.bottom = ptOrigin.y + pScreenInfo->dwHeight; - - /* Source can be enter shadow surface, as Blt should clip */ - rcSrc.left = 0; - rcSrc.top = 0; - rcSrc.right = pScreenInfo->dwWidth; - rcSrc.bottom = pScreenInfo->dwHeight; - - /* Try to regain the primary surface and blit again if we've lost it */ - for (i = 0; i <= WIN_REGAIN_SURFACE_RETRIES; ++i) - { - /* Our Blt should be clipped to the invalidated region */ - ddrval = IDirectDrawSurface2_Blt (pScreenPriv->pddsPrimary, - &rcDest, - pScreenPriv->pddsShadow, - &rcSrc, - DDBLT_WAIT, - NULL); - if (ddrval == DDERR_SURFACELOST) - { - /* Surface was lost */ - ErrorF ("winBltExposedRegionsShadowDD - IDirectDrawSurface2_Blt " - "reported that the primary surface was lost, " - "trying to restore, retry: %d\n", i + 1); - - /* Try to restore the surface, once */ - ddrval = IDirectDrawSurface2_Restore (pScreenPriv->pddsPrimary); - ErrorF ("winBltExposedRegionsShadowDD - " - "IDirectDrawSurface2_Restore returned: "); - if (ddrval == DD_OK) - ErrorF ("DD_OK\n"); - else if (ddrval == DDERR_WRONGMODE) - ErrorF ("DDERR_WRONGMODE\n"); - else if (ddrval == DDERR_INCOMPATIBLEPRIMARY) - ErrorF ("DDERR_INCOMPATIBLEPRIMARY\n"); - else if (ddrval == DDERR_UNSUPPORTED) - ErrorF ("DDERR_UNSUPPORTED\n"); - else if (ddrval == DDERR_INVALIDPARAMS) - ErrorF ("DDERR_INVALIDPARAMS\n"); - else if (ddrval == DDERR_INVALIDOBJECT) - ErrorF ("DDERR_INVALIDOBJECT\n"); - else - ErrorF ("unknown error: %08x\n", (unsigned int) ddrval); - - /* Loop around to try the blit one more time */ - continue; - } - else if (FAILED (ddrval)) - { - fReturn = FALSE; - ErrorF ("winBltExposedRegionsShadowDD - IDirectDrawSurface2_Blt " - "failed, but surface not lost: %08x %d\n", - (unsigned int) ddrval, (int) ddrval); - goto winBltExposedRegionsShadowDD_Exit; - } - else - { - /* Success, stop looping */ - break; - } - } - - /* Relock the shadow surface */ - ddrval = IDirectDrawSurface2_Lock (pScreenPriv->pddsShadow, - NULL, - pScreenPriv->pddsdShadow, - DDLOCK_WAIT, - NULL); - if (FAILED (ddrval)) - { - fReturn = FALSE; - ErrorF ("winBltExposedRegionsShadowDD - IDirectDrawSurface2_Lock " - "failed\n"); - goto winBltExposedRegionsShadowDD_Exit; - } - else - { - /* Indicate that we have relocked the shadow surface */ - fLocked = TRUE; - } - - /* Has our memory pointer changed? */ - if (pScreenInfo->pfb != pScreenPriv->pddsdShadow->lpSurface) - winUpdateFBPointer (pScreen, - pScreenPriv->pddsdShadow->lpSurface); - - winBltExposedRegionsShadowDD_Exit: - /* EndPaint frees the DC */ - if (hdcUpdate != NULL) - EndPaint (pScreenPriv->hwndScreen, &ps); - - /* - * Relock the surface if it is not locked. We don't care if locking fails, - * as it will cause the server to shutdown within a few more operations. - */ - if (!fLocked) - { - IDirectDrawSurface2_Lock (pScreenPriv->pddsShadow, - NULL, - pScreenPriv->pddsdShadow, - DDLOCK_WAIT, - NULL); - - /* Has our memory pointer changed? */ - if (pScreenInfo->pfb != pScreenPriv->pddsdShadow->lpSurface) - winUpdateFBPointer (pScreen, - pScreenPriv->pddsdShadow->lpSurface); - - fLocked = TRUE; - } - return fReturn; -} - - -/* - * Do any engine-specific appliation-activation processing - */ - -static Bool -winActivateAppShadowDD (ScreenPtr pScreen) -{ - winScreenPriv(pScreen); - - /* - * Do we have a surface? - * Are we active? - * Are we fullscreen? - */ - if (pScreenPriv != NULL - && pScreenPriv->pddsPrimary != NULL - && pScreenPriv->fActive) - { - /* Primary surface was lost, restore it */ - IDirectDrawSurface2_Restore (pScreenPriv->pddsPrimary); - } - - return TRUE; -} - - -/* - * Reblit the shadow framebuffer to the screen. - */ - -static Bool -winRedrawScreenShadowDD (ScreenPtr pScreen) -{ - winScreenPriv(pScreen); - winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; - HRESULT ddrval = DD_OK; - RECT rcSrc, rcDest; - POINT ptOrigin; - - /* Get the origin of the window in the screen coords */ - ptOrigin.x = pScreenInfo->dwXOffset; - ptOrigin.y = pScreenInfo->dwYOffset; - MapWindowPoints (pScreenPriv->hwndScreen, - HWND_DESKTOP, - (LPPOINT)&ptOrigin, 1); - rcDest.left = ptOrigin.x; - rcDest.right = ptOrigin.x + pScreenInfo->dwWidth; - rcDest.top = ptOrigin.y; - rcDest.bottom = ptOrigin.y + pScreenInfo->dwHeight; - - /* Source can be entire shadow surface, as Blt should clip for us */ - rcSrc.left = 0; - rcSrc.top = 0; - rcSrc.right = pScreenInfo->dwWidth; - rcSrc.bottom = pScreenInfo->dwHeight; - - /* Redraw the whole window, to take account for the new colors */ - ddrval = IDirectDrawSurface2_Blt (pScreenPriv->pddsPrimary, - &rcDest, - pScreenPriv->pddsShadow, - &rcSrc, - DDBLT_WAIT, - NULL); - if (FAILED (ddrval)) - { - ErrorF ("winRedrawScreenShadowDD - IDirectDrawSurface_Blt () " - "failed: %08x\n", - (unsigned int) ddrval); - } - - return TRUE; -} - - -/* - * Realize the currently installed colormap - */ - -static Bool -winRealizeInstalledPaletteShadowDD (ScreenPtr pScreen) -{ - return TRUE; -} - - -/* - * Install the specified colormap - */ - -static Bool -winInstallColormapShadowDD (ColormapPtr pColormap) -{ - ScreenPtr pScreen = pColormap->pScreen; - winScreenPriv(pScreen); - winCmapPriv(pColormap); - HRESULT ddrval = DD_OK; - - /* Install the DirectDraw palette on the primary surface */ - ddrval = IDirectDrawSurface2_SetPalette (pScreenPriv->pddsPrimary, - pCmapPriv->lpDDPalette); - if (FAILED (ddrval)) - { - ErrorF ("winInstallColormapShadowDD - Failed installing the " - "DirectDraw palette.\n"); - return FALSE; - } - - /* Save a pointer to the newly installed colormap */ - pScreenPriv->pcmapInstalled = pColormap; - - return TRUE; -} - - -/* - * Store the specified colors in the specified colormap - */ - -static Bool -winStoreColorsShadowDD (ColormapPtr pColormap, - int ndef, - xColorItem *pdefs) -{ - ScreenPtr pScreen = pColormap->pScreen; - winScreenPriv(pScreen); - winCmapPriv(pColormap); - ColormapPtr curpmap = pScreenPriv->pcmapInstalled; - HRESULT ddrval = DD_OK; - - /* Put the X colormap entries into the Windows logical palette */ - ddrval = IDirectDrawPalette_SetEntries (pCmapPriv->lpDDPalette, - 0, - pdefs[0].pixel, - ndef, - pCmapPriv->peColors - + pdefs[0].pixel); - if (FAILED (ddrval)) - { - ErrorF ("winStoreColorsShadowDD - SetEntries () failed\n"); - return FALSE; - } - - /* Don't install the DirectDraw palette if the colormap is not installed */ - if (pColormap != curpmap) - { - return TRUE; - } - - if (!winInstallColormapShadowDD (pColormap)) - { - ErrorF ("winStoreColorsShadowDD - Failed installing colormap\n"); - return FALSE; - } - - return TRUE; -} - - -/* - * Colormap initialization procedure - */ - -static Bool -winCreateColormapShadowDD (ColormapPtr pColormap) -{ - HRESULT ddrval = DD_OK; - ScreenPtr pScreen = pColormap->pScreen; - winScreenPriv(pScreen); - winCmapPriv(pColormap); - - /* Create a DirectDraw palette */ - ddrval = IDirectDraw2_CreatePalette (pScreenPriv->pdd, - DDPCAPS_8BIT | DDPCAPS_ALLOW256, - pCmapPriv->peColors, - &pCmapPriv->lpDDPalette, - NULL); - if (FAILED (ddrval)) - { - ErrorF ("winCreateColormapShadowDD - CreatePalette failed\n"); - return FALSE; - } - - return TRUE; -} - - -/* - * Colormap destruction procedure - */ - -static Bool -winDestroyColormapShadowDD (ColormapPtr pColormap) -{ - winScreenPriv(pColormap->pScreen); - winCmapPriv(pColormap); - HRESULT ddrval = DD_OK; - - /* - * Is colormap to be destroyed the default? - * - * Non-default colormaps should have had winUninstallColormap - * called on them before we get here. The default colormap - * will not have had winUninstallColormap called on it. Thus, - * we need to handle the default colormap in a special way. - */ - if (pColormap->flags & IsDefault) - { -#if CYGDEBUG - winDebug ("winDestroyColormapShadowDD - Destroying default " - "colormap\n"); -#endif - - /* - * FIXME: Walk the list of all screens, popping the default - * palette out of each screen device context. - */ - - /* Pop the palette out of the primary surface */ - ddrval = IDirectDrawSurface2_SetPalette (pScreenPriv->pddsPrimary, - NULL); - if (FAILED (ddrval)) - { - ErrorF ("winDestroyColormapShadowDD - Failed freeing the " - "default colormap DirectDraw palette.\n"); - return FALSE; - } - - /* Clear our private installed colormap pointer */ - pScreenPriv->pcmapInstalled = NULL; - } - - /* Release the palette */ - IDirectDrawPalette_Release (pCmapPriv->lpDDPalette); - - /* Invalidate the colormap privates */ - pCmapPriv->lpDDPalette = NULL; - - return TRUE; -} - - -/* - * Set engine specific functions - */ - -Bool -winSetEngineFunctionsShadowDD (ScreenPtr pScreen) -{ - winScreenPriv(pScreen); - winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; - - /* Set our pointers */ - pScreenPriv->pwinAllocateFB = winAllocateFBShadowDD; - pScreenPriv->pwinShadowUpdate = winShadowUpdateDD; - pScreenPriv->pwinCloseScreen = winCloseScreenShadowDD; - pScreenPriv->pwinInitVisuals = winInitVisualsShadowDD; - pScreenPriv->pwinAdjustVideoMode = winAdjustVideoModeShadowDD; - if (pScreenInfo->fFullScreen) - pScreenPriv->pwinCreateBoundingWindow = winCreateBoundingWindowFullScreen; - else - pScreenPriv->pwinCreateBoundingWindow = winCreateBoundingWindowWindowed; - pScreenPriv->pwinFinishScreenInit = winFinishScreenInitFB; - pScreenPriv->pwinBltExposedRegions = winBltExposedRegionsShadowDD; - pScreenPriv->pwinActivateApp = winActivateAppShadowDD; - pScreenPriv->pwinRedrawScreen = winRedrawScreenShadowDD; - pScreenPriv->pwinRealizeInstalledPalette - = winRealizeInstalledPaletteShadowDD; - pScreenPriv->pwinInstallColormap = winInstallColormapShadowDD; - pScreenPriv->pwinStoreColors = winStoreColorsShadowDD; - pScreenPriv->pwinCreateColormap = winCreateColormapShadowDD; - pScreenPriv->pwinDestroyColormap = winDestroyColormapShadowDD; - pScreenPriv->pwinHotKeyAltTab = (winHotKeyAltTabProcPtr) (void (*)(void))NoopDDA; - pScreenPriv->pwinCreatePrimarySurface = winCreatePrimarySurfaceShadowDD; - pScreenPriv->pwinReleasePrimarySurface = winReleasePrimarySurfaceShadowDD; -#ifdef XWIN_MULTIWINDOW - pScreenPriv->pwinFinishCreateWindowsWindow = - (winFinishCreateWindowsWindowProcPtr) (void (*)(void))NoopDDA; -#endif - - return TRUE; -} |