diff options
Diffstat (limited to 'xorg-server/hw/xwin/winshaddd.c')
| -rw-r--r-- | xorg-server/hw/xwin/winshaddd.c | 2652 |
1 files changed, 1326 insertions, 1326 deletions
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 <xwin-config.h>
-#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 <xwin-config.h> +#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; +} |