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-rw-r--r--xorg-server/hw/xwin/winshaddd.c2651
1 files changed, 1326 insertions, 1325 deletions
diff --git a/xorg-server/hw/xwin/winshaddd.c b/xorg-server/hw/xwin/winshaddd.c
index 59530b1ed..0f6afe2f3 100644
--- a/xorg-server/hw/xwin/winshaddd.c
+++ b/xorg-server/hw/xwin/winshaddd.c
@@ -1,1325 +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);
- 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;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 00:53:30 +0000