From dafebc5bb70303f0b5baf0b087cf4d9a64b5c7f0 Mon Sep 17 00:00:00 2001 From: marha Date: Mon, 12 Sep 2011 11:27:51 +0200 Subject: Synchronised line endinge with release branch --- xorg-server/hw/xwin/winshaddd.c | 2652 +++++++++++++++++++-------------------- 1 file changed, 1326 insertions(+), 1326 deletions(-) (limited to 'xorg-server/hw/xwin/winshaddd.c') diff --git a/xorg-server/hw/xwin/winshaddd.c b/xorg-server/hw/xwin/winshaddd.c index 0f6afe2f3..b4fa47bae 100644 --- a/xorg-server/hw/xwin/winshaddd.c +++ b/xorg-server/hw/xwin/winshaddd.c @@ -1,1326 +1,1326 @@ -/* - *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 - */ - -#ifdef HAVE_XWIN_CONFIG_H -#include -#endif -#include "win.h" - - -/* - - -/* - * 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; - } - - winDebug ("winCreatePrimarySurfaceShadowDD - Created primary surface\n"); - - /* - * 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; - } - - winDebug ("winCreatePrimarySurfaceShadowDD - Attached clipper to " - "primary surface\n"); - - /* Everything was correct */ - return TRUE; -} - - -/* - * Detach the clipper and release the primary surface. - * Called from WM_DISPLAYCHANGE. - */ - -static Bool -winReleasePrimarySurfaceShadowDD (ScreenPtr pScreen) -{ - winScreenPriv(pScreen); - - winDebug ("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); - - winDebug ("winReleasePrimarySurfaceShadowDD - Detached clipper\n"); - - /* Release the primary surface */ - IDirectDrawSurface2_Release (pScreenPriv->pddsPrimary); - pScreenPriv->pddsPrimary = NULL; - } - - winDebug ("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; - - winDebug ("winAllocateFBShadowDD\n"); - - /* 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; - } - - winDebug ("winAllocateFBShadowDD - Created a clipper\n"); - - /* 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; - } - - winDebug ("winAllocateFBShadowDD - Attached clipper to window\n"); - - /* 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; - } - - winDebug ("winAllocateFBShadowDD () - Created and initialized DD\n"); - - /* 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)) - { - winDebug ("winAllocateFBShadowDD - Changing video mode\n"); - - /* Change the video mode to the mode requested, and use the driver default refresh rate on failure */ - 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); - ErrorF ("winAllocateFBShadowDD - Using default driver refresh rate\n"); - ddrval = IDirectDraw2_SetDisplayMode (pScreenPriv->pdd2, - pScreenInfo->dwWidth, - pScreenInfo->dwHeight, - pScreenInfo->dwBPP, - 0, - 0); - if (FAILED(ddrval)) - { - ErrorF ("winAllocateFBShadowDD - Could not set default refresh rate " - "full screen display mode: %08x\n", - (unsigned int) ddrval); - return FALSE; - } - } - } - else - { - winDebug ("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; - } - - winDebug ("winAllocateFBShadowDD - Created shadow\n"); - - /* 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); - - winDebug ("winAllocateFBShadowDD - Locking shadow\n"); - - /* 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; - } - - winDebug ("winAllocateFBShadowDD - Locked shadow\n"); - - /* 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; - - winDebug ("winAllocateFBShadowDD - Returning\n"); - - return TRUE; -} - -static void -winFreeFBShadowDD (ScreenPtr pScreen) -{ - winScreenPriv(pScreen); - winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; - - /* 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 primary surface, if there is one */ - winReleasePrimarySurfaceShadowDD(pScreen); - - /* Release the clipper object */ - if (pScreenPriv->pddcPrimary) - { - IDirectDrawClipper_Release (pScreenPriv->pddcPrimary); - pScreenPriv->pddcPrimary = 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; - } - - /* Invalidate the ScreenInfo's fb pointer */ - pScreenInfo->pfb = NULL; -} - -/* - * 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 = shadowDamage(pBuf); - HRESULT ddrval = DD_OK; - RECT rcDest, rcSrc; - POINT ptOrigin; - DWORD dwBox = RegionNumRects (damage); - BoxPtr pBox = RegionRects (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; - - /* Return immediately if we didn't get needed surfaces */ - if (!pScreenPriv->pddsPrimary || !pScreenPriv->pddsShadow) - 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 ("winShadowUpdateDD - 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 = RegionExtents(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 ("winShadowUpdateDD - Lock failed\n"); - return; - } - - /* Has our memory pointer changed? */ - if (pScreenInfo->pfb != pScreenPriv->pddsdShadow->lpSurface) - { - extern const char *g_pszLogFile; - ErrorF ("winShadowUpdateDD - 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 " - "%s file to " BUILDERADDR "\n", g_pszLogFile); - - /* Location of shadow framebuffer has changed */ - winUpdateFBPointer(pScreen, pScreenPriv->pddsdShadow->lpSurface); - } -} - -static Bool -winInitScreenShadowDD (ScreenPtr pScreen) -{ - winScreenPriv(pScreen); - - /* Get a device context for the screen */ - pScreenPriv->hdcScreen = GetDC (pScreenPriv->hwndScreen); - - return winAllocateFBShadowDD(pScreen); -} - -/* - * 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; - - winDebug ("winCloseScreenShadowDD - Freeing screen resources\n"); - - /* Flag that the screen is closed */ - pScreenPriv->fClosed = TRUE; - pScreenPriv->fActive = FALSE; - - /* Call the wrapped CloseScreen procedure */ - WIN_UNWRAP(CloseScreen); - if (pScreen->CloseScreen) - fReturn = (*pScreen->CloseScreen) (nIndex, pScreen); - - winFreeFBShadowDD(pScreen); - - /* Free the screen DC */ - ReleaseDC (pScreenPriv->hwndScreen, pScreenPriv->hdcScreen); - - /* Delete the window property */ - RemoveProp (pScreenPriv->hwndScreen, WIN_SCR_PROP); - - /* 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; - - /* 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; - - winDebug ("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: - /* 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 - break; - - case 8: - 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; - } - break; - - default: - ErrorF ("winInitVisualsShadowDD - Unknown screen depth\n"); - return FALSE; - } - - winDebug ("winInitVisualsShadowDD - Returning\n"); - - 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->fFullScreen && - (pScreenInfo->dwBPP != WIN_DEFAULT_BPP))) - { - /* Otherwise, We'll use GDI's depth */ - pScreenInfo->dwBPP = dwBPP; - } - - /* 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) - { - winDebug ("winDestroyColormapShadowDD - Destroying default " - "colormap\n"); - - /* - * 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->pwinFreeFB = winFreeFBShadowDD; - pScreenPriv->pwinShadowUpdate = winShadowUpdateDD; - pScreenPriv->pwinInitScreen = winInitScreenShadowDD; - 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; -} +/* + *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 + */ + +#ifdef HAVE_XWIN_CONFIG_H +#include +#endif +#include "win.h" + + +/* + + +/* + * 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; + } + + winDebug ("winCreatePrimarySurfaceShadowDD - Created primary surface\n"); + + /* + * 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; + } + + winDebug ("winCreatePrimarySurfaceShadowDD - Attached clipper to " + "primary surface\n"); + + /* Everything was correct */ + return TRUE; +} + + +/* + * Detach the clipper and release the primary surface. + * Called from WM_DISPLAYCHANGE. + */ + +static Bool +winReleasePrimarySurfaceShadowDD (ScreenPtr pScreen) +{ + winScreenPriv(pScreen); + + winDebug ("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); + + winDebug ("winReleasePrimarySurfaceShadowDD - Detached clipper\n"); + + /* Release the primary surface */ + IDirectDrawSurface2_Release (pScreenPriv->pddsPrimary); + pScreenPriv->pddsPrimary = NULL; + } + + winDebug ("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; + + winDebug ("winAllocateFBShadowDD\n"); + + /* 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; + } + + winDebug ("winAllocateFBShadowDD - Created a clipper\n"); + + /* 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; + } + + winDebug ("winAllocateFBShadowDD - Attached clipper to window\n"); + + /* 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; + } + + winDebug ("winAllocateFBShadowDD () - Created and initialized DD\n"); + + /* 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)) + { + winDebug ("winAllocateFBShadowDD - Changing video mode\n"); + + /* Change the video mode to the mode requested, and use the driver default refresh rate on failure */ + 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); + ErrorF ("winAllocateFBShadowDD - Using default driver refresh rate\n"); + ddrval = IDirectDraw2_SetDisplayMode (pScreenPriv->pdd2, + pScreenInfo->dwWidth, + pScreenInfo->dwHeight, + pScreenInfo->dwBPP, + 0, + 0); + if (FAILED(ddrval)) + { + ErrorF ("winAllocateFBShadowDD - Could not set default refresh rate " + "full screen display mode: %08x\n", + (unsigned int) ddrval); + return FALSE; + } + } + } + else + { + winDebug ("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; + } + + winDebug ("winAllocateFBShadowDD - Created shadow\n"); + + /* 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); + + winDebug ("winAllocateFBShadowDD - Locking shadow\n"); + + /* 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; + } + + winDebug ("winAllocateFBShadowDD - Locked shadow\n"); + + /* 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; + + winDebug ("winAllocateFBShadowDD - Returning\n"); + + return TRUE; +} + +static void +winFreeFBShadowDD (ScreenPtr pScreen) +{ + winScreenPriv(pScreen); + winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; + + /* 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 primary surface, if there is one */ + winReleasePrimarySurfaceShadowDD(pScreen); + + /* Release the clipper object */ + if (pScreenPriv->pddcPrimary) + { + IDirectDrawClipper_Release (pScreenPriv->pddcPrimary); + pScreenPriv->pddcPrimary = 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; + } + + /* Invalidate the ScreenInfo's fb pointer */ + pScreenInfo->pfb = NULL; +} + +/* + * 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 = shadowDamage(pBuf); + HRESULT ddrval = DD_OK; + RECT rcDest, rcSrc; + POINT ptOrigin; + DWORD dwBox = RegionNumRects (damage); + BoxPtr pBox = RegionRects (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; + + /* Return immediately if we didn't get needed surfaces */ + if (!pScreenPriv->pddsPrimary || !pScreenPriv->pddsShadow) + 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 ("winShadowUpdateDD - 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 = RegionExtents(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 ("winShadowUpdateDD - Lock failed\n"); + return; + } + + /* Has our memory pointer changed? */ + if (pScreenInfo->pfb != pScreenPriv->pddsdShadow->lpSurface) + { + extern const char *g_pszLogFile; + ErrorF ("winShadowUpdateDD - 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 " + "%s file to " BUILDERADDR "\n", g_pszLogFile); + + /* Location of shadow framebuffer has changed */ + winUpdateFBPointer(pScreen, pScreenPriv->pddsdShadow->lpSurface); + } +} + +static Bool +winInitScreenShadowDD (ScreenPtr pScreen) +{ + winScreenPriv(pScreen); + + /* Get a device context for the screen */ + pScreenPriv->hdcScreen = GetDC (pScreenPriv->hwndScreen); + + return winAllocateFBShadowDD(pScreen); +} + +/* + * 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; + + winDebug ("winCloseScreenShadowDD - Freeing screen resources\n"); + + /* Flag that the screen is closed */ + pScreenPriv->fClosed = TRUE; + pScreenPriv->fActive = FALSE; + + /* Call the wrapped CloseScreen procedure */ + WIN_UNWRAP(CloseScreen); + if (pScreen->CloseScreen) + fReturn = (*pScreen->CloseScreen) (nIndex, pScreen); + + winFreeFBShadowDD(pScreen); + + /* Free the screen DC */ + ReleaseDC (pScreenPriv->hwndScreen, pScreenPriv->hdcScreen); + + /* Delete the window property */ + RemoveProp (pScreenPriv->hwndScreen, WIN_SCR_PROP); + + /* 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; + + /* 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; + + winDebug ("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: + /* 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 + break; + + case 8: + 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; + } + break; + + default: + ErrorF ("winInitVisualsShadowDD - Unknown screen depth\n"); + return FALSE; + } + + winDebug ("winInitVisualsShadowDD - Returning\n"); + + 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->fFullScreen && + (pScreenInfo->dwBPP != WIN_DEFAULT_BPP))) + { + /* Otherwise, We'll use GDI's depth */ + pScreenInfo->dwBPP = dwBPP; + } + + /* 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) + { + winDebug ("winDestroyColormapShadowDD - Destroying default " + "colormap\n"); + + /* + * 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->pwinFreeFB = winFreeFBShadowDD; + pScreenPriv->pwinShadowUpdate = winShadowUpdateDD; + pScreenPriv->pwinInitScreen = winInitScreenShadowDD; + 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; +} -- cgit v1.2.3