From b0be6a88c8fecdf15176f642c0799bff99930e0d Mon Sep 17 00:00:00 2001 From: marha Date: Fri, 21 Jan 2011 08:10:52 +0000 Subject: xserver mesa xkbcomp libxcb git update 21 jan 2011 --- xorg-server/hw/xwin/winshadddnl.c | 2808 ++++++++++++++++++------------------- 1 file changed, 1396 insertions(+), 1412 deletions(-) (limited to 'xorg-server/hw/xwin/winshadddnl.c') diff --git a/xorg-server/hw/xwin/winshadddnl.c b/xorg-server/hw/xwin/winshadddnl.c index 0ce5d8d85..0a0b4ae13 100644 --- a/xorg-server/hw/xwin/winshadddnl.c +++ b/xorg-server/hw/xwin/winshadddnl.c @@ -1,1412 +1,1396 @@ -/* - *Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved. - * - *Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files (the - *"Software"), to deal in the Software without restriction, including - *without limitation the rights to use, copy, modify, merge, publish, - *distribute, sublicense, and/or sell copies of the Software, and to - *permit persons to whom the Software is furnished to do so, subject to - *the following conditions: - * - *The above copyright notice and this permission notice shall be - *included in all copies or substantial portions of the Software. - * - *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - *NONINFRINGEMENT. IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE FOR - *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - *Except as contained in this notice, the name of the XFree86 Project - *shall not be used in advertising or otherwise to promote the sale, use - *or other dealings in this Software without prior written authorization - *from the XFree86 Project. - * - * Authors: Dakshinamurthy Karra - * Suhaib M Siddiqi - * Peter Busch - * Harold L Hunt II - */ - -#ifdef HAVE_XWIN_CONFIG_H -#include -#endif -#include "win.h" - - -/* - * FIXME: Headers are broken, DEFINE_GUID doesn't work correctly, - * so we have to redefine it here. - */ -#ifdef DEFINE_GUID -#undef DEFINE_GUID -#define DEFINE_GUID(n,l,w1,w2,b1,b2,b3,b4,b5,b6,b7,b8) const GUID n GUID_SECT = {l,w1,w2,{b1,b2,b3,b4,b5,b6,b7,b8}} -#endif /* DEFINE_GUID */ - -/* - * FIXME: Headers are broken, IID_IDirectDraw4 has to be defined - * here manually. Should be handled by ddraw.h - */ -#ifndef IID_IDirectDraw4 -DEFINE_GUID( IID_IDirectDraw4, 0x9c59509a,0x39bd,0x11d1,0x8c,0x4a,0x00,0xc0,0x4f,0xd9,0x30,0xc5 ); -#endif /* IID_IDirectDraw4 */ - -#define FAIL_MSG_MAX_BLT 10 - - -/* - * Local prototypes - */ - -static Bool -winAllocateFBShadowDDNL (ScreenPtr pScreen); - -static void -winShadowUpdateDDNL (ScreenPtr pScreen, - shadowBufPtr pBuf); - -static Bool -winCloseScreenShadowDDNL (int nIndex, ScreenPtr pScreen); - -static Bool -winInitVisualsShadowDDNL (ScreenPtr pScreen); - -static Bool -winAdjustVideoModeShadowDDNL (ScreenPtr pScreen); - -static Bool -winBltExposedRegionsShadowDDNL (ScreenPtr pScreen); - -static Bool -winActivateAppShadowDDNL (ScreenPtr pScreen); - -static Bool -winRedrawScreenShadowDDNL (ScreenPtr pScreen); - -static Bool -winRealizeInstalledPaletteShadowDDNL (ScreenPtr pScreen); - -static Bool -winInstallColormapShadowDDNL (ColormapPtr pColormap); - -static Bool -winStoreColorsShadowDDNL (ColormapPtr pmap, - int ndef, - xColorItem *pdefs); - -static Bool -winCreateColormapShadowDDNL (ColormapPtr pColormap); - -static Bool -winDestroyColormapShadowDDNL (ColormapPtr pColormap); - -static Bool -winCreatePrimarySurfaceShadowDDNL (ScreenPtr pScreen); - -static Bool -winReleasePrimarySurfaceShadowDDNL (ScreenPtr pScreen); - - -/* - * Create the primary surface and attach the clipper. - * Used for both the initial surface creation and during - * WM_DISPLAYCHANGE messages. - */ - -static Bool -winCreatePrimarySurfaceShadowDDNL (ScreenPtr pScreen) -{ - winScreenPriv(pScreen); - HRESULT ddrval = DD_OK; - DDSURFACEDESC2 ddsd; - - winDebug ("winCreatePrimarySurfaceShadowDDNL - Creating primary surface\n"); - - /* 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 = IDirectDraw4_CreateSurface (pScreenPriv->pdd4, - &ddsd, - &pScreenPriv->pddsPrimary4, - NULL); - pScreenPriv->fRetryCreateSurface = FALSE; - if (FAILED (ddrval)) - { - if (ddrval == DDERR_NOEXCLUSIVEMODE) - { - /* Recreating the surface failed. Mark screen to retry later */ - pScreenPriv->fRetryCreateSurface = TRUE; - winDebug ("winCreatePrimarySurfaceShadowDDNL - Could not create " - "primary surface: DDERR_NOEXCLUSIVEMODE\n"); - } - else - { - ErrorF ("winCreatePrimarySurfaceShadowDDNL - Could not create " - "primary surface: %08x\n", (unsigned int) ddrval); - } - return FALSE; - } - -#if 1 - winDebug ("winCreatePrimarySurfaceShadowDDNL - Created primary surface\n"); -#endif - - /* Attach our clipper to our primary surface handle */ - ddrval = IDirectDrawSurface4_SetClipper (pScreenPriv->pddsPrimary4, - pScreenPriv->pddcPrimary); - if (FAILED (ddrval)) - { - ErrorF ("winCreatePrimarySurfaceShadowDDNL - Primary attach clipper " - "failed: %08x\n", - (unsigned int) ddrval); - return FALSE; - } - -#if 1 - winDebug ("winCreatePrimarySurfaceShadowDDNL - Attached clipper to primary " - "surface\n"); -#endif - - /* Everything was correct */ - return TRUE; -} - - -/* - * Detach the clipper and release the primary surface. - * Called from WM_DISPLAYCHANGE. - */ - -static Bool -winReleasePrimarySurfaceShadowDDNL (ScreenPtr pScreen) -{ - winScreenPriv(pScreen); - - winDebug ("winReleasePrimarySurfaceShadowDDNL - Hello\n"); - - /* Release the primary surface and clipper, if they exist */ - if (pScreenPriv->pddsPrimary4) - { - /* - * Detach the clipper from the primary surface. - * NOTE: We do this explicity for clarity. The Clipper is not released. - */ - IDirectDrawSurface4_SetClipper (pScreenPriv->pddsPrimary4, - NULL); - - winDebug ("winReleasePrimarySurfaceShadowDDNL - Detached clipper\n"); - - /* Release the primary surface */ - IDirectDrawSurface4_Release (pScreenPriv->pddsPrimary4); - pScreenPriv->pddsPrimary4 = NULL; - } - - winDebug ("winReleasePrimarySurfaceShadowDDNL - 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. - */ - -Bool -winAllocateFBShadowDDNL (ScreenPtr pScreen) -{ - winScreenPriv(pScreen); - winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; - HRESULT ddrval = DD_OK; - DDSURFACEDESC2 ddsdShadow; - char *lpSurface = NULL; - DDPIXELFORMAT ddpfPrimary; - -#if CYGDEBUG - winDebug ("winAllocateFBShadowDDNL - w %d h %d d %d\n", - pScreenInfo->dwWidth, pScreenInfo->dwHeight, pScreenInfo->dwDepth); -#endif - - /* Allocate memory for our shadow surface */ - lpSurface = malloc (pScreenInfo->dwPaddedWidth * pScreenInfo->dwHeight); - if (lpSurface == NULL) - { - ErrorF ("winAllocateFBShadowDDNL - Could not allocate bits\n"); - return FALSE; - } - - /* - * Initialize the framebuffer memory so we don't get a - * strange display at startup - */ - ZeroMemory (lpSurface, pScreenInfo->dwPaddedWidth * pScreenInfo->dwHeight); - - /* Create a clipper */ - ddrval = (*g_fpDirectDrawCreateClipper) (0, - &pScreenPriv->pddcPrimary, - NULL); - if (FAILED (ddrval)) - { - ErrorF ("winAllocateFBShadowDDNL - Could not attach clipper: %08x\n", - (unsigned int) ddrval); - return FALSE; - } - -#if CYGDEBUG - winDebug ("winAllocateFBShadowDDNL - Created a clipper\n"); -#endif - - /* Get a device context for the screen */ - pScreenPriv->hdcScreen = GetDC (pScreenPriv->hwndScreen); - - /* Attach the clipper to our display window */ - ddrval = IDirectDrawClipper_SetHWnd (pScreenPriv->pddcPrimary, - 0, - pScreenPriv->hwndScreen); - if (FAILED (ddrval)) - { - ErrorF ("winAllocateFBShadowDDNL - Clipper not attached " - "to window: %08x\n", - (unsigned int) ddrval); - return FALSE; - } - -#if CYGDEBUG - winDebug ("winAllocateFBShadowDDNL - Attached clipper to window\n"); -#endif - - /* Create a DirectDraw object, store the address at lpdd */ - ddrval = (*g_fpDirectDrawCreate) (NULL, - (LPDIRECTDRAW*) &pScreenPriv->pdd, - NULL); - if (FAILED (ddrval)) - { - ErrorF ("winAllocateFBShadowDDNL - Could not start " - "DirectDraw: %08x\n", - (unsigned int) ddrval); - return FALSE; - } - -#if CYGDEBUG - winDebug ("winAllocateFBShadowDDNL - Created and initialized DD\n"); -#endif - - /* Get a DirectDraw4 interface pointer */ - ddrval = IDirectDraw_QueryInterface (pScreenPriv->pdd, - &IID_IDirectDraw4, - (LPVOID*) &pScreenPriv->pdd4); - if (FAILED (ddrval)) - { - ErrorF ("winAllocateFBShadowDDNL - Failed DD4 query: %08x\n", - (unsigned int) ddrval); - return FALSE; - } - - /* Are we full screen? */ - if (pScreenInfo->fFullScreen) - { - DDSURFACEDESC2 ddsdCurrent; - DWORD dwRefreshRateCurrent = 0; - HDC hdc = NULL; - - /* Set the cooperative level to full screen */ - ddrval = IDirectDraw4_SetCooperativeLevel (pScreenPriv->pdd4, - pScreenPriv->hwndScreen, - DDSCL_EXCLUSIVE - | DDSCL_FULLSCREEN); - if (FAILED (ddrval)) - { - ErrorF ("winAllocateFBShadowDDNL - 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 = IDirectDraw4_GetDisplayMode (pScreenPriv->pdd4, - &ddsdCurrent); - if (FAILED (ddrval)) - { - ErrorF ("winAllocateFBShadowDDNL - 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 ("winAllocateFBShadowDDNL - 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 ("winAllocateFBShadowDDNL - Changing video mode\n"); - - /* Change the video mode to the mode requested, and use the driver default refresh rate on failure */ - ddrval = IDirectDraw4_SetDisplayMode (pScreenPriv->pdd4, - pScreenInfo->dwWidth, - pScreenInfo->dwHeight, - pScreenInfo->dwBPP, - pScreenInfo->dwRefreshRate, - 0); - if (FAILED (ddrval)) - { - ErrorF ("winAllocateFBShadowDDNL - Could not set " - "full screen display mode: %08x\n", - (unsigned int) ddrval); - ErrorF ("winAllocateFBShadowDDNL - Using default driver refresh rate\n"); - ddrval = IDirectDraw4_SetDisplayMode (pScreenPriv->pdd4, - pScreenInfo->dwWidth, - pScreenInfo->dwHeight, - pScreenInfo->dwBPP, - 0, - 0); - if (FAILED(ddrval)) - { - ErrorF ("winAllocateFBShadowDDNL - Could not set default refresh rate " - "full screen display mode: %08x\n", - (unsigned int) ddrval); - return FALSE; - } - } - } - else - { - winDebug ("winAllocateFBShadowDDNL - Not changing video mode\n"); - } - - /* Release our DC */ - ReleaseDC (NULL, hdc); - hdc = NULL; - } - else - { - /* Set the cooperative level for windowed mode */ - ddrval = IDirectDraw4_SetCooperativeLevel (pScreenPriv->pdd4, - pScreenPriv->hwndScreen, - DDSCL_NORMAL); - if (FAILED (ddrval)) - { - ErrorF ("winAllocateFBShadowDDNL - Could not set " - "cooperative level: %08x\n", - (unsigned int) ddrval); - return FALSE; - } - } - - /* Create the primary surface */ - if (!winCreatePrimarySurfaceShadowDDNL (pScreen)) - { - ErrorF ("winAllocateFBShadowDDNL - winCreatePrimarySurfaceShadowDDNL " - "failed\n"); - return FALSE; - } - - /* Get primary surface's pixel format */ - ZeroMemory (&ddpfPrimary, sizeof (ddpfPrimary)); - ddpfPrimary.dwSize = sizeof (ddpfPrimary); - ddrval = IDirectDrawSurface4_GetPixelFormat (pScreenPriv->pddsPrimary4, - &ddpfPrimary); - if (FAILED (ddrval)) - { - ErrorF ("winAllocateFBShadowDDNL - Could not get primary " - "pixformat: %08x\n", - (unsigned int) ddrval); - return FALSE; - } - -#if CYGDEBUG - winDebug ("winAllocateFBShadowDDNL - Primary masks: %08x %08x %08x " - "dwRGBBitCount: %d\n", - ddpfPrimary.u2.dwRBitMask, - ddpfPrimary.u3.dwGBitMask, - ddpfPrimary.u4.dwBBitMask, - ddpfPrimary.u1.dwRGBBitCount); -#endif - - /* 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 (&ddsdShadow, sizeof (ddsdShadow)); - ddsdShadow.dwSize = sizeof (ddsdShadow); - ddsdShadow.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH - | DDSD_LPSURFACE | DDSD_PITCH | DDSD_PIXELFORMAT; - ddsdShadow.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_SYSTEMMEMORY; - ddsdShadow.dwHeight = pScreenInfo->dwHeight; - ddsdShadow.dwWidth = pScreenInfo->dwWidth; - ddsdShadow.u1.lPitch = pScreenInfo->dwPaddedWidth; - ddsdShadow.lpSurface = lpSurface; - ddsdShadow.u4.ddpfPixelFormat = ddpfPrimary; - - winDebug ("winAllocateFBShadowDDNL - lPitch: %d\n", - (int) pScreenInfo->dwPaddedWidth); - - /* Create the shadow surface */ - ddrval = IDirectDraw4_CreateSurface (pScreenPriv->pdd4, - &ddsdShadow, - &pScreenPriv->pddsShadow4, - NULL); - if (FAILED (ddrval)) - { - ErrorF ("winAllocateFBShadowDDNL - Could not create shadow " - "surface: %08x\n", (unsigned int) ddrval); - return FALSE; - } - -#if CYGDEBUG || YES - winDebug ("winAllocateFBShadowDDNL - Created shadow pitch: %d\n", - (int) ddsdShadow.u1.lPitch); -#endif - - /* Grab the pitch from the surface desc */ - pScreenInfo->dwStride = (ddsdShadow.u1.lPitch * 8) - / pScreenInfo->dwBPP; - -#if CYGDEBUG || YES - winDebug ("winAllocateFBShadowDDNL - Created shadow stride: %d\n", - (int) pScreenInfo->dwStride); -#endif - - /* Save the pointer to our surface memory */ - pScreenInfo->pfb = lpSurface; - - /* Grab the masks from the surface description */ - pScreenPriv->dwRedMask = ddsdShadow.u4.ddpfPixelFormat.u2.dwRBitMask; - pScreenPriv->dwGreenMask = ddsdShadow.u4.ddpfPixelFormat.u3.dwGBitMask; - pScreenPriv->dwBlueMask = ddsdShadow.u4.ddpfPixelFormat.u4.dwBBitMask; - -#if CYGDEBUG - winDebug ("winAllocateFBShadowDDNL - Returning\n"); -#endif - - return TRUE; -} - - -#if defined(XWIN_MULTIWINDOW) || defined(XWIN_MULTIWINDOWEXTWM) -/* - * Create a DirectDraw surface for the new multi-window window - */ - -static -Bool -winFinishCreateWindowsWindowDDNL (WindowPtr pWin) -{ - winWindowPriv(pWin); - winPrivScreenPtr pScreenPriv = pWinPriv->pScreenPriv; - HRESULT ddrval = DD_OK; - DDSURFACEDESC2 ddsd; - int iWidth, iHeight; - int iX, iY; - - winDebug ("winFinishCreateWindowsWindowDDNL!\n\n"); - - iX = pWin->drawable.x + GetSystemMetrics (SM_XVIRTUALSCREEN); - iY = pWin->drawable.y + GetSystemMetrics (SM_YVIRTUALSCREEN); - - iWidth = pWin->drawable.width; - iHeight = pWin->drawable.height; - - /* Describe the primary surface */ - ZeroMemory (&ddsd, sizeof (ddsd)); - ddsd.dwSize = sizeof (ddsd); - ddsd.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT; - ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE; - ddsd.dwHeight = iHeight; - ddsd.dwWidth = iWidth; - - /* Create the primary surface */ - ddrval = IDirectDraw4_CreateSurface (pScreenPriv->pdd4, - &ddsd, - &pWinPriv->pddsPrimary4, - NULL); - if (FAILED (ddrval)) - { - ErrorF ("winFinishCreateWindowsWindowDDNL - Could not create primary " - "surface: %08x\n", - (unsigned int)ddrval); - return FALSE; - } - return TRUE; -} -#endif - - -/* - * Transfer the damaged regions of the shadow framebuffer to the display. - */ - -static void -winShadowUpdateDDNL (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; - - /* 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); - - /* - * 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 rectangle */ - 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 = IDirectDrawSurface4_Blt (pScreenPriv->pddsPrimary4, - &rcDest, - pScreenPriv->pddsShadow4, - &rcSrc, - DDBLT_WAIT, - NULL); - if (FAILED (ddrval)) - { - static int s_iFailCount = 0; - - if (s_iFailCount < FAIL_MSG_MAX_BLT) - { - ErrorF ("winShadowUpdateDDNL - IDirectDrawSurface4_Blt () " - "failed: %08x\n", - (unsigned int) ddrval); - - ++s_iFailCount; - - if (s_iFailCount == FAIL_MSG_MAX_BLT) - { - ErrorF ("winShadowUpdateDDNL - IDirectDrawSurface4_Blt " - "failure message maximum (%d) reached. No " - "more failure messages will be printed.\n", - FAIL_MSG_MAX_BLT); - } - } - } - - /* 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; - -#if CYGDEBUG - winDebug ("winShadowUpdateDDNL - be x1 %d y1 %d x2 %d y2 %d\n", - pBoxExtents->x1, pBoxExtents->y1, - pBoxExtents->x2, pBoxExtents->y2); -#endif - - /* 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 = IDirectDrawSurface4_Blt (pScreenPriv->pddsPrimary4, - &rcDest, - pScreenPriv->pddsShadow4, - &rcSrc, - DDBLT_WAIT, - NULL); - - /* Reset the clip region */ - SelectClipRgn (pScreenPriv->hdcScreen, NULL); - } -} - - -/* - * Call the wrapped CloseScreen function. - * - * Free our resources and private structures. - */ - -static Bool -winCloseScreenShadowDDNL (int nIndex, ScreenPtr pScreen) -{ - winScreenPriv(pScreen); - winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; - Bool fReturn; - -#if CYGDEBUG - winDebug ("winCloseScreenShadowDDNL - Freeing screen resources\n"); -#endif - - /* Flag that the screen is closed */ - pScreenPriv->fClosed = TRUE; - pScreenPriv->fActive = FALSE; - - /* Call the wrapped CloseScreen procedure */ - WIN_UNWRAP(CloseScreen); - fReturn = (*pScreen->CloseScreen) (nIndex, pScreen); - - /* Free the screen DC */ - ReleaseDC (pScreenPriv->hwndScreen, pScreenPriv->hdcScreen); - - /* Delete the window property */ - RemoveProp (pScreenPriv->hwndScreen, WIN_SCR_PROP); - - /* Free the shadow surface, if there is one */ - if (pScreenPriv->pddsShadow4) - { - IDirectDrawSurface4_Release (pScreenPriv->pddsShadow4); - free (pScreenInfo->pfb); - pScreenInfo->pfb = NULL; - pScreenPriv->pddsShadow4 = NULL; - } - - /* Detach the clipper from the primary surface and release the clipper. */ - if (pScreenPriv->pddcPrimary) - { - /* Detach the clipper */ - IDirectDrawSurface4_SetClipper (pScreenPriv->pddsPrimary4, - NULL); - - /* Release the clipper object */ - IDirectDrawClipper_Release (pScreenPriv->pddcPrimary); - pScreenPriv->pddcPrimary = NULL; - } - - /* Release the primary surface, if there is one */ - if (pScreenPriv->pddsPrimary4) - { - IDirectDrawSurface4_Release (pScreenPriv->pddsPrimary4); - pScreenPriv->pddsPrimary4 = NULL; - } - - /* Free the DirectDraw4 object, if there is one */ - if (pScreenPriv->pdd4) - { - IDirectDraw4_RestoreDisplayMode (pScreenPriv->pdd4); - IDirectDraw4_Release (pScreenPriv->pdd4); - pScreenPriv->pdd4 = NULL; - } - - /* Free the DirectDraw object, if there is one */ - if (pScreenPriv->pdd) - { - IDirectDraw_Release (pScreenPriv->pdd); - pScreenPriv->pdd = NULL; - } - - /* Delete tray icon, if we have one */ - if (!pScreenInfo->fNoTrayIcon) - winDeleteNotifyIcon (pScreenPriv); - - /* Free the exit confirmation dialog box, if it exists */ - if (g_hDlgExit != NULL) - { - DestroyWindow (g_hDlgExit); - g_hDlgExit = NULL; - } - - /* Kill our window */ - if (pScreenPriv->hwndScreen) - { - DestroyWindow (pScreenPriv->hwndScreen); - pScreenPriv->hwndScreen = NULL; - } - -#if defined(XWIN_CLIPBOARD) || defined(XWIN_MULTIWINDOW) - /* Destroy the thread startup mutex */ - pthread_mutex_destroy (&pScreenPriv->pmServerStarted); -#endif - - /* Kill our screeninfo's pointer to the screen */ - pScreenInfo->pScreen = NULL; - - /* Invalidate the ScreenInfo's fb pointer */ - pScreenInfo->pfb = NULL; - - /* Free the screen privates for this screen */ - free ((pointer) pScreenPriv); - - return fReturn; -} - - -/* - * Tell mi what sort of visuals we need. - * - * Generally we only need one visual, as our screen can only - * handle one format at a time, I believe. You may want - * to verify that last sentence. - */ - -static Bool -winInitVisualsShadowDDNL (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 ("winInitVisualsShadowDDNL - 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: - /* Setup the real visual */ - if (!miSetVisualTypesAndMasks (pScreenInfo->dwDepth, - TrueColorMask, - pScreenPriv->dwBitsPerRGB, - -1, - pScreenPriv->dwRedMask, - pScreenPriv->dwGreenMask, - pScreenPriv->dwBlueMask)) - { - ErrorF ("winInitVisualsShadowDDNL - 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 ("winInitVisualsShadowDDNL - 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 ("winInitVisualsShadowDDNL - miSetVisualTypesAndMasks " - "failed\n"); - return FALSE; - } - break; - - default: - ErrorF ("winInitVisualsShadowDDNL - Unknown screen depth\n"); - return FALSE; - } - -#if CYGDEBUG - winDebug ("winInitVisualsShadowDDNL - Returning\n"); -#endif - - return TRUE; -} - - -/* - * Adjust the user proposed video mode - */ - -static Bool -winAdjustVideoModeShadowDDNL (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 ("winAdjustVideoModeShadowDDNL - GetDC () failed\n"); - return FALSE; - } - - /* Query GDI for current display depth */ - dwBPP = GetDeviceCaps (hdc, BITSPIXEL); - - /* DirectDraw can only change the depth in fullscreen mode */ - if (pScreenInfo->dwBPP == WIN_DEFAULT_BPP) - { - /* No -depth parameter passed, let the user know the depth being used */ - winErrorFVerb (2, "winAdjustVideoModeShadowDDNL - Using Windows display " - "depth of %d bits per pixel\n", (int) dwBPP); - - /* Use GDI's depth */ - pScreenInfo->dwBPP = dwBPP; - } - else if (pScreenInfo->fFullScreen - && pScreenInfo->dwBPP != dwBPP) - { - /* FullScreen, and GDI depth differs from -depth parameter */ - winErrorFVerb (2, "winAdjustVideoModeShadowDDNL - FullScreen, using command " - "line bpp: %d\n", (int) pScreenInfo->dwBPP); - } - else if (dwBPP != pScreenInfo->dwBPP) - { - /* Windowed, and GDI depth differs from -depth parameter */ - winErrorFVerb (2, "winAdjustVideoModeShadowDDNL - Windowed, command line " - "bpp: %d, using bpp: %d\n", - (int) pScreenInfo->dwBPP, (int) dwBPP); - - /* We'll use GDI's depth */ - pScreenInfo->dwBPP = dwBPP; - } - - /* See if the shadow bitmap will be larger than the DIB size limit */ - if (pScreenInfo->dwWidth * pScreenInfo->dwHeight * pScreenInfo->dwBPP - >= WIN_DIB_MAXIMUM_SIZE) - { - winErrorFVerb (1, "winAdjustVideoModeShadowDDNL - Requested DirectDraw surface " - "will be larger than %d MB. The surface may fail to be " - "allocated on Windows 95, 98, or Me, due to a %d MB limit in " - "DIB size. This limit does not apply to Windows NT/2000, and " - "this message may be ignored on those platforms.\n", - WIN_DIB_MAXIMUM_SIZE_MB, WIN_DIB_MAXIMUM_SIZE_MB); - } - - /* Release our DC */ - ReleaseDC (NULL, hdc); - - return TRUE; -} - - -/* - * Blt exposed regions to the screen - */ - -static Bool -winBltExposedRegionsShadowDDNL (ScreenPtr pScreen) -{ - winScreenPriv(pScreen); - winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; - RECT rcSrc, rcDest; - POINT ptOrigin; - HDC hdcUpdate; - PAINTSTRUCT ps; - HRESULT ddrval = DD_OK; - Bool fReturn = TRUE; - int i; - - /* Quite common case. The primary surface was lost (maybe because of depth - * change). Try to create a new primary surface. Bail out if this fails */ - if (pScreenPriv->pddsPrimary4 == NULL && pScreenPriv->fRetryCreateSurface && - !winCreatePrimarySurfaceShadowDDNL(pScreen)) - { - Sleep(100); - return FALSE; - } - if (pScreenPriv->pddsPrimary4 == NULL) - return FALSE; - - /* BeginPaint gives us an hdc that clips to the invalidated region */ - hdcUpdate = BeginPaint (pScreenPriv->hwndScreen, &ps); - if (hdcUpdate == NULL) - { - fReturn = FALSE; - ErrorF ("winBltExposedRegionsShadowDDNL - BeginPaint () returned " - "a NULL device context handle. Aborting blit attempt.\n"); - goto winBltExposedRegionsShadowDDNL_Exit; - } - - /* 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; - - /* 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 = IDirectDrawSurface4_Blt (pScreenPriv->pddsPrimary4, - &rcDest, - pScreenPriv->pddsShadow4, - &rcSrc, - DDBLT_WAIT, - NULL); - if (ddrval == DDERR_SURFACELOST) - { - /* Surface was lost */ - winErrorFVerb (1, "winBltExposedRegionsShadowDDNL - " - "IDirectDrawSurface4_Blt reported that the primary " - "surface was lost, trying to restore, retry: %d\n", i + 1); - - /* Try to restore the surface, once */ - - ddrval = IDirectDrawSurface4_Restore (pScreenPriv->pddsPrimary4); - winDebug ("winBltExposedRegionsShadowDDNL - " - "IDirectDrawSurface4_Restore returned: "); - if (ddrval == DD_OK) - winDebug ("DD_OK\n"); - else if (ddrval == DDERR_WRONGMODE) - winDebug ("DDERR_WRONGMODE\n"); - else if (ddrval == DDERR_INCOMPATIBLEPRIMARY) - winDebug ("DDERR_INCOMPATIBLEPRIMARY\n"); - else if (ddrval == DDERR_UNSUPPORTED) - winDebug ("DDERR_UNSUPPORTED\n"); - else if (ddrval == DDERR_INVALIDPARAMS) - winDebug ("DDERR_INVALIDPARAMS\n"); - else if (ddrval == DDERR_INVALIDOBJECT) - winDebug ("DDERR_INVALIDOBJECT\n"); - else - winDebug ("unknown error: %08x\n", (unsigned int) ddrval); - - /* Loop around to try the blit one more time */ - continue; - } - else if (FAILED (ddrval)) - { - fReturn = FALSE; - winErrorFVerb (1, "winBltExposedRegionsShadowDDNL - " - "IDirectDrawSurface4_Blt failed, but surface not " - "lost: %08x %d\n", - (unsigned int) ddrval, (int) ddrval); - goto winBltExposedRegionsShadowDDNL_Exit; - } - else - { - /* Success, stop looping */ - break; - } - } - - winBltExposedRegionsShadowDDNL_Exit: - /* EndPaint frees the DC */ - if (hdcUpdate != NULL) - EndPaint (pScreenPriv->hwndScreen, &ps); - return fReturn; -} - - -/* - * Do any engine-specific application-activation processing - */ - -static Bool -winActivateAppShadowDDNL (ScreenPtr pScreen) -{ - winScreenPriv(pScreen); - - /* - * Do we have a surface? - * Are we active? - * Are we full screen? - */ - if (pScreenPriv != NULL - && pScreenPriv->pddsPrimary4 != NULL - && pScreenPriv->fActive) - { - /* Primary surface was lost, restore it */ - IDirectDrawSurface4_Restore (pScreenPriv->pddsPrimary4); - } - - return TRUE; -} - - -/* - * Reblit the shadow framebuffer to the screen. - */ - -static Bool -winRedrawScreenShadowDDNL (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 = IDirectDrawSurface4_Blt (pScreenPriv->pddsPrimary4, - &rcDest, - pScreenPriv->pddsShadow4, - &rcSrc, - DDBLT_WAIT, - NULL); - if (FAILED (ddrval)) - { - ErrorF ("winRedrawScreenShadowDDNL - IDirectDrawSurface4_Blt () " - "failed: %08x\n", - (unsigned int) ddrval); - } - - return TRUE; -} - - -/* - * Realize the currently installed colormap - */ - -static Bool -winRealizeInstalledPaletteShadowDDNL (ScreenPtr pScreen) -{ - return TRUE; -} - - -/* - * Install the specified colormap - */ - -static Bool -winInstallColormapShadowDDNL (ColormapPtr pColormap) -{ - ScreenPtr pScreen = pColormap->pScreen; - winScreenPriv(pScreen); - winCmapPriv(pColormap); - HRESULT ddrval = DD_OK; - - /* Install the DirectDraw palette on the primary surface */ - ddrval = IDirectDrawSurface4_SetPalette (pScreenPriv->pddsPrimary4, - pCmapPriv->lpDDPalette); - if (FAILED (ddrval)) - { - ErrorF ("winInstallColormapShadowDDNL - 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 -winStoreColorsShadowDDNL (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 ("winStoreColorsShadowDDNL - SetEntries () failed: %08x\n", (unsigned int) ddrval); - return FALSE; - } - - /* Don't install the DirectDraw palette if the colormap is not installed */ - if (pColormap != curpmap) - { - return TRUE; - } - - if (!winInstallColormapShadowDDNL (pColormap)) - { - ErrorF ("winStoreColorsShadowDDNL - Failed installing colormap\n"); - return FALSE; - } - - return TRUE; -} - - -/* - * Colormap initialization procedure - */ - -static Bool -winCreateColormapShadowDDNL (ColormapPtr pColormap) -{ - HRESULT ddrval = DD_OK; - ScreenPtr pScreen = pColormap->pScreen; - winScreenPriv(pScreen); - winCmapPriv(pColormap); - - /* Create a DirectDraw palette */ - ddrval = IDirectDraw4_CreatePalette (pScreenPriv->pdd4, - DDPCAPS_8BIT | DDPCAPS_ALLOW256, - pCmapPriv->peColors, - &pCmapPriv->lpDDPalette, - NULL); - if (FAILED (ddrval)) - { - ErrorF ("winCreateColormapShadowDDNL - CreatePalette failed\n"); - return FALSE; - } - - return TRUE; -} - - -/* - * Colormap destruction procedure - */ - -static Bool -winDestroyColormapShadowDDNL (ColormapPtr pColormap) -{ - winScreenPriv(pColormap->pScreen); - winCmapPriv(pColormap); - HRESULT ddrval = DD_OK; - - /* - * Is colormap to be destroyed the default? - * - * Non-default colormaps should have had winUninstallColormap - * called on them before we get here. The default colormap - * will not have had winUninstallColormap called on it. Thus, - * we need to handle the default colormap in a special way. - */ - if (pColormap->flags & IsDefault) - { -#if CYGDEBUG - winDebug ("winDestroyColormapShadowDDNL - Destroying default colormap\n"); -#endif - - /* - * FIXME: Walk the list of all screens, popping the default - * palette out of each screen device context. - */ - - /* Pop the palette out of the primary surface */ - ddrval = IDirectDrawSurface4_SetPalette (pScreenPriv->pddsPrimary4, - NULL); - if (FAILED (ddrval)) - { - ErrorF ("winDestroyColormapShadowDDNL - 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 pointers to our engine specific functions - */ - -Bool -winSetEngineFunctionsShadowDDNL (ScreenPtr pScreen) -{ - winScreenPriv(pScreen); - winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; - - /* Set our pointers */ - pScreenPriv->pwinAllocateFB = winAllocateFBShadowDDNL; - pScreenPriv->pwinShadowUpdate = winShadowUpdateDDNL; - pScreenPriv->pwinCloseScreen = winCloseScreenShadowDDNL; - pScreenPriv->pwinInitVisuals = winInitVisualsShadowDDNL; - pScreenPriv->pwinAdjustVideoMode = winAdjustVideoModeShadowDDNL; - if (pScreenInfo->fFullScreen) - pScreenPriv->pwinCreateBoundingWindow = winCreateBoundingWindowFullScreen; - else - pScreenPriv->pwinCreateBoundingWindow = winCreateBoundingWindowWindowed; - pScreenPriv->pwinFinishScreenInit = winFinishScreenInitFB; - pScreenPriv->pwinBltExposedRegions = winBltExposedRegionsShadowDDNL; - pScreenPriv->pwinActivateApp = winActivateAppShadowDDNL; - pScreenPriv->pwinRedrawScreen = winRedrawScreenShadowDDNL; - pScreenPriv->pwinRealizeInstalledPalette - = winRealizeInstalledPaletteShadowDDNL; - pScreenPriv->pwinInstallColormap = winInstallColormapShadowDDNL; - pScreenPriv->pwinStoreColors = winStoreColorsShadowDDNL; - pScreenPriv->pwinCreateColormap = winCreateColormapShadowDDNL; - pScreenPriv->pwinDestroyColormap = winDestroyColormapShadowDDNL; - pScreenPriv->pwinHotKeyAltTab = (winHotKeyAltTabProcPtr) (void (*)(void))NoopDDA; - pScreenPriv->pwinCreatePrimarySurface = winCreatePrimarySurfaceShadowDDNL; - pScreenPriv->pwinReleasePrimarySurface = winReleasePrimarySurfaceShadowDDNL; -#ifdef XWIN_MULTIWINDOW - pScreenPriv->pwinFinishCreateWindowsWindow - = winFinishCreateWindowsWindowDDNL; -#endif - - return TRUE; -} +/* + *Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved. + * + *Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + *"Software"), to deal in the Software without restriction, including + *without limitation the rights to use, copy, modify, merge, publish, + *distribute, sublicense, and/or sell copies of the Software, and to + *permit persons to whom the Software is furnished to do so, subject to + *the following conditions: + * + *The above copyright notice and this permission notice shall be + *included in all copies or substantial portions of the Software. + * + *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + *NONINFRINGEMENT. IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE FOR + *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF + *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + *Except as contained in this notice, the name of the XFree86 Project + *shall not be used in advertising or otherwise to promote the sale, use + *or other dealings in this Software without prior written authorization + *from the XFree86 Project. + * + * Authors: Dakshinamurthy Karra + * Suhaib M Siddiqi + * Peter Busch + * Harold L Hunt II + */ + +#ifdef HAVE_XWIN_CONFIG_H +#include +#endif +#include "win.h" + + +/* + * FIXME: Headers are broken, DEFINE_GUID doesn't work correctly, + * so we have to redefine it here. + */ +#ifdef DEFINE_GUID +#undef DEFINE_GUID +#define DEFINE_GUID(n,l,w1,w2,b1,b2,b3,b4,b5,b6,b7,b8) const GUID n GUID_SECT = {l,w1,w2,{b1,b2,b3,b4,b5,b6,b7,b8}} +#endif /* DEFINE_GUID */ + +/* + * FIXME: Headers are broken, IID_IDirectDraw4 has to be defined + * here manually. Should be handled by ddraw.h + */ +#ifndef IID_IDirectDraw4 +DEFINE_GUID( IID_IDirectDraw4, 0x9c59509a,0x39bd,0x11d1,0x8c,0x4a,0x00,0xc0,0x4f,0xd9,0x30,0xc5 ); +#endif /* IID_IDirectDraw4 */ + +#define FAIL_MSG_MAX_BLT 10 + + +/* + * Local prototypes + */ + +static Bool +winAllocateFBShadowDDNL (ScreenPtr pScreen); + +static void +winShadowUpdateDDNL (ScreenPtr pScreen, + shadowBufPtr pBuf); + +static Bool +winCloseScreenShadowDDNL (int nIndex, ScreenPtr pScreen); + +static Bool +winInitVisualsShadowDDNL (ScreenPtr pScreen); + +static Bool +winAdjustVideoModeShadowDDNL (ScreenPtr pScreen); + +static Bool +winBltExposedRegionsShadowDDNL (ScreenPtr pScreen); + +static Bool +winActivateAppShadowDDNL (ScreenPtr pScreen); + +static Bool +winRedrawScreenShadowDDNL (ScreenPtr pScreen); + +static Bool +winRealizeInstalledPaletteShadowDDNL (ScreenPtr pScreen); + +static Bool +winInstallColormapShadowDDNL (ColormapPtr pColormap); + +static Bool +winStoreColorsShadowDDNL (ColormapPtr pmap, + int ndef, + xColorItem *pdefs); + +static Bool +winCreateColormapShadowDDNL (ColormapPtr pColormap); + +static Bool +winDestroyColormapShadowDDNL (ColormapPtr pColormap); + +static Bool +winCreatePrimarySurfaceShadowDDNL (ScreenPtr pScreen); + +static Bool +winReleasePrimarySurfaceShadowDDNL (ScreenPtr pScreen); + + +/* + * Create the primary surface and attach the clipper. + * Used for both the initial surface creation and during + * WM_DISPLAYCHANGE messages. + */ + +static Bool +winCreatePrimarySurfaceShadowDDNL (ScreenPtr pScreen) +{ + winScreenPriv(pScreen); + HRESULT ddrval = DD_OK; + DDSURFACEDESC2 ddsd; + + winDebug ("winCreatePrimarySurfaceShadowDDNL - Creating primary surface\n"); + + /* 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 = IDirectDraw4_CreateSurface (pScreenPriv->pdd4, + &ddsd, + &pScreenPriv->pddsPrimary4, + NULL); + pScreenPriv->fRetryCreateSurface = FALSE; + if (FAILED (ddrval)) + { + if (ddrval == DDERR_NOEXCLUSIVEMODE) + { + /* Recreating the surface failed. Mark screen to retry later */ + pScreenPriv->fRetryCreateSurface = TRUE; + winDebug ("winCreatePrimarySurfaceShadowDDNL - Could not create " + "primary surface: DDERR_NOEXCLUSIVEMODE\n"); + } + else + { + ErrorF ("winCreatePrimarySurfaceShadowDDNL - Could not create " + "primary surface: %08x\n", (unsigned int) ddrval); + } + return FALSE; + } + +#if 1 + winDebug ("winCreatePrimarySurfaceShadowDDNL - Created primary surface\n"); +#endif + + /* Attach our clipper to our primary surface handle */ + ddrval = IDirectDrawSurface4_SetClipper (pScreenPriv->pddsPrimary4, + pScreenPriv->pddcPrimary); + if (FAILED (ddrval)) + { + ErrorF ("winCreatePrimarySurfaceShadowDDNL - Primary attach clipper " + "failed: %08x\n", + (unsigned int) ddrval); + return FALSE; + } + +#if 1 + winDebug ("winCreatePrimarySurfaceShadowDDNL - Attached clipper to primary " + "surface\n"); +#endif + + /* Everything was correct */ + return TRUE; +} + + +/* + * Detach the clipper and release the primary surface. + * Called from WM_DISPLAYCHANGE. + */ + +static Bool +winReleasePrimarySurfaceShadowDDNL (ScreenPtr pScreen) +{ + winScreenPriv(pScreen); + + winDebug ("winReleasePrimarySurfaceShadowDDNL - Hello\n"); + + /* Release the primary surface and clipper, if they exist */ + if (pScreenPriv->pddsPrimary4) + { + /* + * Detach the clipper from the primary surface. + * NOTE: We do this explicity for clarity. The Clipper is not released. + */ + IDirectDrawSurface4_SetClipper (pScreenPriv->pddsPrimary4, + NULL); + + winDebug ("winReleasePrimarySurfaceShadowDDNL - Detached clipper\n"); + + /* Release the primary surface */ + IDirectDrawSurface4_Release (pScreenPriv->pddsPrimary4); + pScreenPriv->pddsPrimary4 = NULL; + } + + winDebug ("winReleasePrimarySurfaceShadowDDNL - 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. + */ + +Bool +winAllocateFBShadowDDNL (ScreenPtr pScreen) +{ + winScreenPriv(pScreen); + winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; + HRESULT ddrval = DD_OK; + DDSURFACEDESC2 ddsdShadow; + char *lpSurface = NULL; + DDPIXELFORMAT ddpfPrimary; + +#if CYGDEBUG + winDebug ("winAllocateFBShadowDDNL - w %d h %d d %d\n", + pScreenInfo->dwWidth, pScreenInfo->dwHeight, pScreenInfo->dwDepth); +#endif + + /* Set the padded screen width */ + pScreenInfo->dwPaddedWidth = PixmapBytePad (pScreenInfo->dwWidth, + pScreenInfo->dwBPP); + + /* Allocate memory for our shadow surface */ + lpSurface = malloc (pScreenInfo->dwPaddedWidth * pScreenInfo->dwHeight); + if (lpSurface == NULL) + { + ErrorF ("winAllocateFBShadowDDNL - Could not allocate bits\n"); + return FALSE; + } + + /* + * Initialize the framebuffer memory so we don't get a + * strange display at startup + */ + ZeroMemory (lpSurface, pScreenInfo->dwPaddedWidth * pScreenInfo->dwHeight); + + /* Create a clipper */ + ddrval = (*g_fpDirectDrawCreateClipper) (0, + &pScreenPriv->pddcPrimary, + NULL); + if (FAILED (ddrval)) + { + ErrorF ("winAllocateFBShadowDDNL - Could not attach clipper: %08x\n", + (unsigned int) ddrval); + return FALSE; + } + +#if CYGDEBUG + winDebug ("winAllocateFBShadowDDNL - Created a clipper\n"); +#endif + + /* Attach the clipper to our display window */ + ddrval = IDirectDrawClipper_SetHWnd (pScreenPriv->pddcPrimary, + 0, + pScreenPriv->hwndScreen); + if (FAILED (ddrval)) + { + ErrorF ("winAllocateFBShadowDDNL - Clipper not attached " + "to window: %08x\n", + (unsigned int) ddrval); + return FALSE; + } + +#if CYGDEBUG + winDebug ("winAllocateFBShadowDDNL - Attached clipper to window\n"); +#endif + + /* Create a DirectDraw object, store the address at lpdd */ + ddrval = (*g_fpDirectDrawCreate) (NULL, + (LPDIRECTDRAW*) &pScreenPriv->pdd, + NULL); + if (FAILED (ddrval)) + { + ErrorF ("winAllocateFBShadowDDNL - Could not start " + "DirectDraw: %08x\n", + (unsigned int) ddrval); + return FALSE; + } + +#if CYGDEBUG + winDebug ("winAllocateFBShadowDDNL - Created and initialized DD\n"); +#endif + + /* Get a DirectDraw4 interface pointer */ + ddrval = IDirectDraw_QueryInterface (pScreenPriv->pdd, + &IID_IDirectDraw4, + (LPVOID*) &pScreenPriv->pdd4); + if (FAILED (ddrval)) + { + ErrorF ("winAllocateFBShadowDDNL - Failed DD4 query: %08x\n", + (unsigned int) ddrval); + return FALSE; + } + + /* Are we full screen? */ + if (pScreenInfo->fFullScreen) + { + DDSURFACEDESC2 ddsdCurrent; + DWORD dwRefreshRateCurrent = 0; + HDC hdc = NULL; + + /* Set the cooperative level to full screen */ + ddrval = IDirectDraw4_SetCooperativeLevel (pScreenPriv->pdd4, + pScreenPriv->hwndScreen, + DDSCL_EXCLUSIVE + | DDSCL_FULLSCREEN); + if (FAILED (ddrval)) + { + ErrorF ("winAllocateFBShadowDDNL - 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 = IDirectDraw4_GetDisplayMode (pScreenPriv->pdd4, + &ddsdCurrent); + if (FAILED (ddrval)) + { + ErrorF ("winAllocateFBShadowDDNL - 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 ("winAllocateFBShadowDDNL - 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 ("winAllocateFBShadowDDNL - Changing video mode\n"); + + /* Change the video mode to the mode requested, and use the driver default refresh rate on failure */ + ddrval = IDirectDraw4_SetDisplayMode (pScreenPriv->pdd4, + pScreenInfo->dwWidth, + pScreenInfo->dwHeight, + pScreenInfo->dwBPP, + pScreenInfo->dwRefreshRate, + 0); + if (FAILED (ddrval)) + { + ErrorF ("winAllocateFBShadowDDNL - Could not set " + "full screen display mode: %08x\n", + (unsigned int) ddrval); + ErrorF ("winAllocateFBShadowDDNL - Using default driver refresh rate\n"); + ddrval = IDirectDraw4_SetDisplayMode (pScreenPriv->pdd4, + pScreenInfo->dwWidth, + pScreenInfo->dwHeight, + pScreenInfo->dwBPP, + 0, + 0); + if (FAILED(ddrval)) + { + ErrorF ("winAllocateFBShadowDDNL - Could not set default refresh rate " + "full screen display mode: %08x\n", + (unsigned int) ddrval); + return FALSE; + } + } + } + else + { + winDebug ("winAllocateFBShadowDDNL - Not changing video mode\n"); + } + + /* Release our DC */ + ReleaseDC (NULL, hdc); + hdc = NULL; + } + else + { + /* Set the cooperative level for windowed mode */ + ddrval = IDirectDraw4_SetCooperativeLevel (pScreenPriv->pdd4, + pScreenPriv->hwndScreen, + DDSCL_NORMAL); + if (FAILED (ddrval)) + { + ErrorF ("winAllocateFBShadowDDNL - Could not set " + "cooperative level: %08x\n", + (unsigned int) ddrval); + return FALSE; + } + } + + /* Create the primary surface */ + if (!winCreatePrimarySurfaceShadowDDNL (pScreen)) + { + ErrorF ("winAllocateFBShadowDDNL - winCreatePrimarySurfaceShadowDDNL " + "failed\n"); + return FALSE; + } + + /* Get primary surface's pixel format */ + ZeroMemory (&ddpfPrimary, sizeof (ddpfPrimary)); + ddpfPrimary.dwSize = sizeof (ddpfPrimary); + ddrval = IDirectDrawSurface4_GetPixelFormat (pScreenPriv->pddsPrimary4, + &ddpfPrimary); + if (FAILED (ddrval)) + { + ErrorF ("winAllocateFBShadowDDNL - Could not get primary " + "pixformat: %08x\n", + (unsigned int) ddrval); + return FALSE; + } + +#if CYGDEBUG + winDebug ("winAllocateFBShadowDDNL - Primary masks: %08x %08x %08x " + "dwRGBBitCount: %d\n", + ddpfPrimary.u2.dwRBitMask, + ddpfPrimary.u3.dwGBitMask, + ddpfPrimary.u4.dwBBitMask, + ddpfPrimary.u1.dwRGBBitCount); +#endif + + /* 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 (&ddsdShadow, sizeof (ddsdShadow)); + ddsdShadow.dwSize = sizeof (ddsdShadow); + ddsdShadow.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH + | DDSD_LPSURFACE | DDSD_PITCH | DDSD_PIXELFORMAT; + ddsdShadow.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_SYSTEMMEMORY; + ddsdShadow.dwHeight = pScreenInfo->dwHeight; + ddsdShadow.dwWidth = pScreenInfo->dwWidth; + ddsdShadow.u1.lPitch = pScreenInfo->dwPaddedWidth; + ddsdShadow.lpSurface = lpSurface; + ddsdShadow.u4.ddpfPixelFormat = ddpfPrimary; + + winDebug ("winAllocateFBShadowDDNL - lPitch: %d\n", + (int) pScreenInfo->dwPaddedWidth); + + /* Create the shadow surface */ + ddrval = IDirectDraw4_CreateSurface (pScreenPriv->pdd4, + &ddsdShadow, + &pScreenPriv->pddsShadow4, + NULL); + if (FAILED (ddrval)) + { + ErrorF ("winAllocateFBShadowDDNL - Could not create shadow " + "surface: %08x\n", (unsigned int) ddrval); + return FALSE; + } + +#if CYGDEBUG || YES + winDebug ("winAllocateFBShadowDDNL - Created shadow pitch: %d\n", + (int) ddsdShadow.u1.lPitch); +#endif + + /* Grab the pitch from the surface desc */ + pScreenInfo->dwStride = (ddsdShadow.u1.lPitch * 8) + / pScreenInfo->dwBPP; + +#if CYGDEBUG || YES + winDebug ("winAllocateFBShadowDDNL - Created shadow stride: %d\n", + (int) pScreenInfo->dwStride); +#endif + + /* Save the pointer to our surface memory */ + pScreenInfo->pfb = lpSurface; + + /* Grab the masks from the surface description */ + pScreenPriv->dwRedMask = ddsdShadow.u4.ddpfPixelFormat.u2.dwRBitMask; + pScreenPriv->dwGreenMask = ddsdShadow.u4.ddpfPixelFormat.u3.dwGBitMask; + pScreenPriv->dwBlueMask = ddsdShadow.u4.ddpfPixelFormat.u4.dwBBitMask; + +#if CYGDEBUG + winDebug ("winAllocateFBShadowDDNL - Returning\n"); +#endif + + return TRUE; +} + +static void +winFreeFBShadowDDNL(ScreenPtr pScreen) +{ + winScreenPriv(pScreen); + winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; + + /* Free the shadow surface, if there is one */ + if (pScreenPriv->pddsShadow4) + { + IDirectDrawSurface4_Release (pScreenPriv->pddsShadow4); + free (pScreenInfo->pfb); + pScreenInfo->pfb = NULL; + pScreenPriv->pddsShadow4 = NULL; + } + + /* Detach the clipper from the primary surface and release the primary surface, if there is one */ + winReleasePrimarySurfaceShadowDDNL(pScreen); + + /* Release the clipper object */ + if (pScreenPriv->pddcPrimary) + { + IDirectDrawClipper_Release (pScreenPriv->pddcPrimary); + pScreenPriv->pddcPrimary = NULL; + } + + /* Free the DirectDraw4 object, if there is one */ + if (pScreenPriv->pdd4) + { + IDirectDraw4_RestoreDisplayMode (pScreenPriv->pdd4); + IDirectDraw4_Release (pScreenPriv->pdd4); + pScreenPriv->pdd4 = 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; +} + +#if defined(XWIN_MULTIWINDOW) || defined(XWIN_MULTIWINDOWEXTWM) +/* + * Create a DirectDraw surface for the new multi-window window + */ + +static +Bool +winFinishCreateWindowsWindowDDNL (WindowPtr pWin) +{ + winWindowPriv(pWin); + winPrivScreenPtr pScreenPriv = pWinPriv->pScreenPriv; + HRESULT ddrval = DD_OK; + DDSURFACEDESC2 ddsd; + int iWidth, iHeight; + int iX, iY; + + winDebug ("winFinishCreateWindowsWindowDDNL!\n\n"); + + iX = pWin->drawable.x + GetSystemMetrics (SM_XVIRTUALSCREEN); + iY = pWin->drawable.y + GetSystemMetrics (SM_YVIRTUALSCREEN); + + iWidth = pWin->drawable.width; + iHeight = pWin->drawable.height; + + /* Describe the primary surface */ + ZeroMemory (&ddsd, sizeof (ddsd)); + ddsd.dwSize = sizeof (ddsd); + ddsd.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT; + ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE; + ddsd.dwHeight = iHeight; + ddsd.dwWidth = iWidth; + + /* Create the primary surface */ + ddrval = IDirectDraw4_CreateSurface (pScreenPriv->pdd4, + &ddsd, + &pWinPriv->pddsPrimary4, + NULL); + if (FAILED (ddrval)) + { + ErrorF ("winFinishCreateWindowsWindowDDNL - Could not create primary " + "surface: %08x\n", + (unsigned int)ddrval); + return FALSE; + } + return TRUE; +} +#endif + + +/* + * Transfer the damaged regions of the shadow framebuffer to the display. + */ + +static void +winShadowUpdateDDNL (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->pddsPrimary4 || !pScreenPriv->pddsShadow4) + 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); + + /* + * 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 rectangle */ + 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 = IDirectDrawSurface4_Blt (pScreenPriv->pddsPrimary4, + &rcDest, + pScreenPriv->pddsShadow4, + &rcSrc, + DDBLT_WAIT, + NULL); + if (FAILED (ddrval)) + { + static int s_iFailCount = 0; + + if (s_iFailCount < FAIL_MSG_MAX_BLT) + { + ErrorF ("winShadowUpdateDDNL - IDirectDrawSurface4_Blt () " + "failed: %08x\n", + (unsigned int) ddrval); + + ++s_iFailCount; + + if (s_iFailCount == FAIL_MSG_MAX_BLT) + { + ErrorF ("winShadowUpdateDDNL - IDirectDrawSurface4_Blt " + "failure message maximum (%d) reached. No " + "more failure messages will be printed.\n", + FAIL_MSG_MAX_BLT); + } + } + } + + /* 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; + +#if CYGDEBUG + winDebug ("winShadowUpdateDDNL - be x1 %d y1 %d x2 %d y2 %d\n", + pBoxExtents->x1, pBoxExtents->y1, + pBoxExtents->x2, pBoxExtents->y2); +#endif + + /* 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 = IDirectDrawSurface4_Blt (pScreenPriv->pddsPrimary4, + &rcDest, + pScreenPriv->pddsShadow4, + &rcSrc, + DDBLT_WAIT, + NULL); + + /* Reset the clip region */ + SelectClipRgn (pScreenPriv->hdcScreen, NULL); + } +} + +static Bool +winInitScreenShadowDDNL(ScreenPtr pScreen) +{ + winScreenPriv(pScreen); + + /* Get a device context for the screen */ + pScreenPriv->hdcScreen = GetDC (pScreenPriv->hwndScreen); + + return winAllocateFBShadowDDNL(pScreen); +} + +/* + * Call the wrapped CloseScreen function. + * + * Free our resources and private structures. + */ + +static Bool +winCloseScreenShadowDDNL (int nIndex, ScreenPtr pScreen) +{ + winScreenPriv(pScreen); + winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; + Bool fReturn; + +#if CYGDEBUG + winDebug ("winCloseScreenShadowDDNL - Freeing screen resources\n"); +#endif + + /* Flag that the screen is closed */ + pScreenPriv->fClosed = TRUE; + pScreenPriv->fActive = FALSE; + + /* Call the wrapped CloseScreen procedure */ + WIN_UNWRAP(CloseScreen); + fReturn = (*pScreen->CloseScreen) (nIndex, pScreen); + + winFreeFBShadowDDNL(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 +winInitVisualsShadowDDNL (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 ("winInitVisualsShadowDDNL - 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: + /* Setup the real visual */ + if (!miSetVisualTypesAndMasks (pScreenInfo->dwDepth, + TrueColorMask, + pScreenPriv->dwBitsPerRGB, + -1, + pScreenPriv->dwRedMask, + pScreenPriv->dwGreenMask, + pScreenPriv->dwBlueMask)) + { + ErrorF ("winInitVisualsShadowDDNL - 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 ("winInitVisualsShadowDDNL - 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 ("winInitVisualsShadowDDNL - miSetVisualTypesAndMasks " + "failed\n"); + return FALSE; + } + break; + + default: + ErrorF ("winInitVisualsShadowDDNL - Unknown screen depth\n"); + return FALSE; + } + +#if CYGDEBUG + winDebug ("winInitVisualsShadowDDNL - Returning\n"); +#endif + + return TRUE; +} + + +/* + * Adjust the user proposed video mode + */ + +static Bool +winAdjustVideoModeShadowDDNL (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 ("winAdjustVideoModeShadowDDNL - 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 +winBltExposedRegionsShadowDDNL (ScreenPtr pScreen) +{ + winScreenPriv(pScreen); + winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; + RECT rcSrc, rcDest; + POINT ptOrigin; + HDC hdcUpdate; + PAINTSTRUCT ps; + HRESULT ddrval = DD_OK; + Bool fReturn = TRUE; + int i; + + /* Quite common case. The primary surface was lost (maybe because of depth + * change). Try to create a new primary surface. Bail out if this fails */ + if (pScreenPriv->pddsPrimary4 == NULL && pScreenPriv->fRetryCreateSurface && + !winCreatePrimarySurfaceShadowDDNL(pScreen)) + { + Sleep(100); + return FALSE; + } + if (pScreenPriv->pddsPrimary4 == NULL) + return FALSE; + + /* BeginPaint gives us an hdc that clips to the invalidated region */ + hdcUpdate = BeginPaint (pScreenPriv->hwndScreen, &ps); + if (hdcUpdate == NULL) + { + fReturn = FALSE; + ErrorF ("winBltExposedRegionsShadowDDNL - BeginPaint () returned " + "a NULL device context handle. Aborting blit attempt.\n"); + goto winBltExposedRegionsShadowDDNL_Exit; + } + + /* 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; + + /* 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 = IDirectDrawSurface4_Blt (pScreenPriv->pddsPrimary4, + &rcDest, + pScreenPriv->pddsShadow4, + &rcSrc, + DDBLT_WAIT, + NULL); + if (ddrval == DDERR_SURFACELOST) + { + /* Surface was lost */ + winErrorFVerb (1, "winBltExposedRegionsShadowDDNL - " + "IDirectDrawSurface4_Blt reported that the primary " + "surface was lost, trying to restore, retry: %d\n", i + 1); + + /* Try to restore the surface, once */ + + ddrval = IDirectDrawSurface4_Restore (pScreenPriv->pddsPrimary4); + winDebug ("winBltExposedRegionsShadowDDNL - " + "IDirectDrawSurface4_Restore returned: "); + if (ddrval == DD_OK) + winDebug ("DD_OK\n"); + else if (ddrval == DDERR_WRONGMODE) + winDebug ("DDERR_WRONGMODE\n"); + else if (ddrval == DDERR_INCOMPATIBLEPRIMARY) + winDebug ("DDERR_INCOMPATIBLEPRIMARY\n"); + else if (ddrval == DDERR_UNSUPPORTED) + winDebug ("DDERR_UNSUPPORTED\n"); + else if (ddrval == DDERR_INVALIDPARAMS) + winDebug ("DDERR_INVALIDPARAMS\n"); + else if (ddrval == DDERR_INVALIDOBJECT) + winDebug ("DDERR_INVALIDOBJECT\n"); + else + winDebug ("unknown error: %08x\n", (unsigned int) ddrval); + + /* Loop around to try the blit one more time */ + continue; + } + else if (FAILED (ddrval)) + { + fReturn = FALSE; + winErrorFVerb (1, "winBltExposedRegionsShadowDDNL - " + "IDirectDrawSurface4_Blt failed, but surface not " + "lost: %08x %d\n", + (unsigned int) ddrval, (int) ddrval); + goto winBltExposedRegionsShadowDDNL_Exit; + } + else + { + /* Success, stop looping */ + break; + } + } + + winBltExposedRegionsShadowDDNL_Exit: + /* EndPaint frees the DC */ + if (hdcUpdate != NULL) + EndPaint (pScreenPriv->hwndScreen, &ps); + return fReturn; +} + + +/* + * Do any engine-specific application-activation processing + */ + +static Bool +winActivateAppShadowDDNL (ScreenPtr pScreen) +{ + winScreenPriv(pScreen); + + /* + * Do we have a surface? + * Are we active? + * Are we full screen? + */ + if (pScreenPriv != NULL + && pScreenPriv->pddsPrimary4 != NULL + && pScreenPriv->fActive) + { + /* Primary surface was lost, restore it */ + IDirectDrawSurface4_Restore (pScreenPriv->pddsPrimary4); + } + + return TRUE; +} + + +/* + * Reblit the shadow framebuffer to the screen. + */ + +static Bool +winRedrawScreenShadowDDNL (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 = IDirectDrawSurface4_Blt (pScreenPriv->pddsPrimary4, + &rcDest, + pScreenPriv->pddsShadow4, + &rcSrc, + DDBLT_WAIT, + NULL); + if (FAILED (ddrval)) + { + ErrorF ("winRedrawScreenShadowDDNL - IDirectDrawSurface4_Blt () " + "failed: %08x\n", + (unsigned int) ddrval); + } + + return TRUE; +} + + +/* + * Realize the currently installed colormap + */ + +static Bool +winRealizeInstalledPaletteShadowDDNL (ScreenPtr pScreen) +{ + return TRUE; +} + + +/* + * Install the specified colormap + */ + +static Bool +winInstallColormapShadowDDNL (ColormapPtr pColormap) +{ + ScreenPtr pScreen = pColormap->pScreen; + winScreenPriv(pScreen); + winCmapPriv(pColormap); + HRESULT ddrval = DD_OK; + + /* Install the DirectDraw palette on the primary surface */ + ddrval = IDirectDrawSurface4_SetPalette (pScreenPriv->pddsPrimary4, + pCmapPriv->lpDDPalette); + if (FAILED (ddrval)) + { + ErrorF ("winInstallColormapShadowDDNL - 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 +winStoreColorsShadowDDNL (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 ("winStoreColorsShadowDDNL - SetEntries () failed: %08x\n", (unsigned int) ddrval); + return FALSE; + } + + /* Don't install the DirectDraw palette if the colormap is not installed */ + if (pColormap != curpmap) + { + return TRUE; + } + + if (!winInstallColormapShadowDDNL (pColormap)) + { + ErrorF ("winStoreColorsShadowDDNL - Failed installing colormap\n"); + return FALSE; + } + + return TRUE; +} + + +/* + * Colormap initialization procedure + */ + +static Bool +winCreateColormapShadowDDNL (ColormapPtr pColormap) +{ + HRESULT ddrval = DD_OK; + ScreenPtr pScreen = pColormap->pScreen; + winScreenPriv(pScreen); + winCmapPriv(pColormap); + + /* Create a DirectDraw palette */ + ddrval = IDirectDraw4_CreatePalette (pScreenPriv->pdd4, + DDPCAPS_8BIT | DDPCAPS_ALLOW256, + pCmapPriv->peColors, + &pCmapPriv->lpDDPalette, + NULL); + if (FAILED (ddrval)) + { + ErrorF ("winCreateColormapShadowDDNL - CreatePalette failed\n"); + return FALSE; + } + + return TRUE; +} + + +/* + * Colormap destruction procedure + */ + +static Bool +winDestroyColormapShadowDDNL (ColormapPtr pColormap) +{ + winScreenPriv(pColormap->pScreen); + winCmapPriv(pColormap); + HRESULT ddrval = DD_OK; + + /* + * Is colormap to be destroyed the default? + * + * Non-default colormaps should have had winUninstallColormap + * called on them before we get here. The default colormap + * will not have had winUninstallColormap called on it. Thus, + * we need to handle the default colormap in a special way. + */ + if (pColormap->flags & IsDefault) + { +#if CYGDEBUG + winDebug ("winDestroyColormapShadowDDNL - Destroying default colormap\n"); +#endif + + /* + * FIXME: Walk the list of all screens, popping the default + * palette out of each screen device context. + */ + + /* Pop the palette out of the primary surface */ + ddrval = IDirectDrawSurface4_SetPalette (pScreenPriv->pddsPrimary4, + NULL); + if (FAILED (ddrval)) + { + ErrorF ("winDestroyColormapShadowDDNL - 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 pointers to our engine specific functions + */ + +Bool +winSetEngineFunctionsShadowDDNL (ScreenPtr pScreen) +{ + winScreenPriv(pScreen); + winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; + + /* Set our pointers */ + pScreenPriv->pwinAllocateFB = winAllocateFBShadowDDNL; + pScreenPriv->pwinFreeFB = winFreeFBShadowDDNL; + pScreenPriv->pwinShadowUpdate = winShadowUpdateDDNL; + pScreenPriv->pwinInitScreen = winInitScreenShadowDDNL; + pScreenPriv->pwinCloseScreen = winCloseScreenShadowDDNL; + pScreenPriv->pwinInitVisuals = winInitVisualsShadowDDNL; + pScreenPriv->pwinAdjustVideoMode = winAdjustVideoModeShadowDDNL; + if (pScreenInfo->fFullScreen) + pScreenPriv->pwinCreateBoundingWindow = winCreateBoundingWindowFullScreen; + else + pScreenPriv->pwinCreateBoundingWindow = winCreateBoundingWindowWindowed; + pScreenPriv->pwinFinishScreenInit = winFinishScreenInitFB; + pScreenPriv->pwinBltExposedRegions = winBltExposedRegionsShadowDDNL; + pScreenPriv->pwinActivateApp = winActivateAppShadowDDNL; + pScreenPriv->pwinRedrawScreen = winRedrawScreenShadowDDNL; + pScreenPriv->pwinRealizeInstalledPalette + = winRealizeInstalledPaletteShadowDDNL; + pScreenPriv->pwinInstallColormap = winInstallColormapShadowDDNL; + pScreenPriv->pwinStoreColors = winStoreColorsShadowDDNL; + pScreenPriv->pwinCreateColormap = winCreateColormapShadowDDNL; + pScreenPriv->pwinDestroyColormap = winDestroyColormapShadowDDNL; + pScreenPriv->pwinHotKeyAltTab = (winHotKeyAltTabProcPtr) (void (*)(void))NoopDDA; + pScreenPriv->pwinCreatePrimarySurface = winCreatePrimarySurfaceShadowDDNL; + pScreenPriv->pwinReleasePrimarySurface = winReleasePrimarySurfaceShadowDDNL; +#ifdef XWIN_MULTIWINDOW + pScreenPriv->pwinFinishCreateWindowsWindow + = winFinishCreateWindowsWindowDDNL; +#endif + + return TRUE; +} -- cgit v1.2.3