diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/xwin/winshadgdi.c')
| -rw-r--r-- | nx-X11/programs/Xserver/hw/xwin/winshadgdi.c | 1323 |
1 files changed, 0 insertions, 1323 deletions
diff --git a/nx-X11/programs/Xserver/hw/xwin/winshadgdi.c b/nx-X11/programs/Xserver/hw/xwin/winshadgdi.c deleted file mode 100644 index ba9819298..000000000 --- a/nx-X11/programs/Xserver/hw/xwin/winshadgdi.c +++ /dev/null @@ -1,1323 +0,0 @@ -/* - *Copyright (C) 2001-2004 Harold L Hunt II 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 HAROLD L HUNT II 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 Harold L Hunt II - *shall not be used in advertising or otherwise to promote the sale, use - *or other dealings in this Software without prior written authorization - *from Harold L Hunt II. - * - * Authors: Harold L Hunt II - */ - -#ifdef HAVE_XWIN_CONFIG_H -#include <xwin-config.h> -#endif -#include "win.h" - - -/* - * External symbols - */ - -#ifdef XWIN_MULTIWINDOW -extern DWORD g_dwCurrentThreadID; -#endif -extern HWND g_hDlgExit; - - -/* - * Local function prototypes - */ - -#ifdef XWIN_MULTIWINDOW -static wBOOL CALLBACK -winRedrawAllProcShadowGDI (HWND hwnd, LPARAM lParam); - -static wBOOL CALLBACK -winRedrawDamagedWindowShadowGDI (HWND hwnd, LPARAM lParam); -#endif - -static Bool -winAllocateFBShadowGDI (ScreenPtr pScreen); - -static void -winShadowUpdateGDI (ScreenPtr pScreen, - shadowBufPtr pBuf); - -static Bool -winCloseScreenShadowGDI (int nIndex, ScreenPtr pScreen); - -static Bool -winInitVisualsShadowGDI (ScreenPtr pScreen); - -static Bool -winAdjustVideoModeShadowGDI (ScreenPtr pScreen); - -static Bool -winBltExposedRegionsShadowGDI (ScreenPtr pScreen); - -static Bool -winActivateAppShadowGDI (ScreenPtr pScreen); - -static Bool -winRedrawScreenShadowGDI (ScreenPtr pScreen); - -static Bool -winRealizeInstalledPaletteShadowGDI (ScreenPtr pScreen); - -static Bool -winInstallColormapShadowGDI (ColormapPtr pColormap); - -static Bool -winStoreColorsShadowGDI (ColormapPtr pmap, - int ndef, - xColorItem *pdefs); - -static Bool -winCreateColormapShadowGDI (ColormapPtr pColormap); - -static Bool -winDestroyColormapShadowGDI (ColormapPtr pColormap); - - -/* - * Internal function to get the DIB format that is compatible with the screen - */ - -static -Bool -winQueryScreenDIBFormat (ScreenPtr pScreen, BITMAPINFOHEADER *pbmih) -{ - winScreenPriv(pScreen); - HBITMAP hbmp; -#if CYGDEBUG - LPDWORD pdw = NULL; -#endif - - /* Create a memory bitmap compatible with the screen */ - hbmp = CreateCompatibleBitmap (pScreenPriv->hdcScreen, 1, 1); - if (hbmp == NULL) - { - ErrorF ("winQueryScreenDIBFormat - CreateCompatibleBitmap failed\n"); - return FALSE; - } - - /* Initialize our bitmap info header */ - ZeroMemory (pbmih, sizeof (BITMAPINFOHEADER) + 256 * sizeof (RGBQUAD)); - pbmih->biSize = sizeof (BITMAPINFOHEADER); - - /* Get the biBitCount */ - if (!GetDIBits (pScreenPriv->hdcScreen, - hbmp, - 0, 1, - NULL, - (BITMAPINFO*) pbmih, - DIB_RGB_COLORS)) - { - ErrorF ("winQueryScreenDIBFormat - First call to GetDIBits failed\n"); - DeleteObject (hbmp); - return FALSE; - } - -#if CYGDEBUG - /* Get a pointer to bitfields */ - pdw = (DWORD*) ((CARD8*)pbmih + sizeof (BITMAPINFOHEADER)); - - winDebug ("winQueryScreenDIBFormat - First call masks: %08x %08x %08x\n", - pdw[0], pdw[1], pdw[2]); -#endif - - /* Get optimal color table, or the optimal bitfields */ - if (!GetDIBits (pScreenPriv->hdcScreen, - hbmp, - 0, 1, - NULL, - (BITMAPINFO*)pbmih, - DIB_RGB_COLORS)) - { - ErrorF ("winQueryScreenDIBFormat - Second call to GetDIBits " - "failed\n"); - DeleteObject (hbmp); - return FALSE; - } - - /* Free memory */ - DeleteObject (hbmp); - - return TRUE; -} - - -/* - * Internal function to determine the GDI bits per rgb and bit masks - */ - -static -Bool -winQueryRGBBitsAndMasks (ScreenPtr pScreen) -{ - winScreenPriv(pScreen); - BITMAPINFOHEADER *pbmih = NULL; - Bool fReturn = TRUE; - LPDWORD pdw = NULL; - DWORD dwRedBits, dwGreenBits, dwBlueBits; - - /* Color masks for 8 bpp are standardized */ - if (GetDeviceCaps (pScreenPriv->hdcScreen, RASTERCAPS) & RC_PALETTE) - { - /* - * RGB BPP for 8 bit palletes is always 8 - * and the color masks are always 0. - */ - pScreenPriv->dwBitsPerRGB = 8; - pScreenPriv->dwRedMask = 0x0L; - pScreenPriv->dwGreenMask = 0x0L; - pScreenPriv->dwBlueMask = 0x0L; - return TRUE; - } - - /* Color masks for 24 bpp are standardized */ - if (GetDeviceCaps (pScreenPriv->hdcScreen, PLANES) - * GetDeviceCaps (pScreenPriv->hdcScreen, BITSPIXEL) == 24) - { - ErrorF ("winQueryRGBBitsAndMasks - GetDeviceCaps (BITSPIXEL) " - "returned 24 for the screen. Using default 24bpp masks.\n"); - - /* 8 bits per primary color */ - pScreenPriv->dwBitsPerRGB = 8; - - /* Set screen privates masks */ - pScreenPriv->dwRedMask = WIN_24BPP_MASK_RED; - pScreenPriv->dwGreenMask = WIN_24BPP_MASK_GREEN; - pScreenPriv->dwBlueMask = WIN_24BPP_MASK_BLUE; - - return TRUE; - } - - /* Allocate a bitmap header and color table */ - pbmih = (BITMAPINFOHEADER*) malloc (sizeof (BITMAPINFOHEADER) - + 256 * sizeof (RGBQUAD)); - if (pbmih == NULL) - { - ErrorF ("winQueryRGBBitsAndMasks - malloc failed\n"); - return FALSE; - } - - /* Get screen description */ - if (winQueryScreenDIBFormat (pScreen, pbmih)) - { - /* Get a pointer to bitfields */ - pdw = (DWORD*) ((CARD8*)pbmih + sizeof (BITMAPINFOHEADER)); - -#if CYGDEBUG - winDebug ("%s - Masks: %08x %08x %08x\n", __FUNCTION__, - pdw[0], pdw[1], pdw[2]); - winDebug ("%s - Bitmap: %dx%d %d bpp %d planes\n", __FUNCTION__, - pbmih->biWidth, pbmih->biHeight, pbmih->biBitCount, pbmih->biPlanes); - winDebug ("%s - Compression: %d %s\n", __FUNCTION__, - pbmih->biCompression, - (pbmih->biCompression == BI_RGB?"(BI_RGB)": - (pbmih->biCompression == BI_RLE8?"(BI_RLE8)": - (pbmih->biCompression == BI_RLE4?"(BI_RLE4)": - (pbmih->biCompression == BI_BITFIELDS?"(BI_BITFIELDS)":"" - ))))); -#endif - - /* Handle BI_RGB case, which is returned by Wine */ - if (pbmih->biCompression == BI_RGB) - { - dwRedBits = 5; - dwGreenBits = 5; - dwBlueBits = 5; - - pScreenPriv->dwBitsPerRGB = 5; - - /* Set screen privates masks */ - pScreenPriv->dwRedMask = 0x7c00; - pScreenPriv->dwGreenMask = 0x03e0; - pScreenPriv->dwBlueMask = 0x001f; - } - else - { - /* Count the number of bits in each mask */ - dwRedBits = winCountBits (pdw[0]); - dwGreenBits = winCountBits (pdw[1]); - dwBlueBits = winCountBits (pdw[2]); - - /* Find maximum bits per red, green, blue */ - if (dwRedBits > dwGreenBits && dwRedBits > dwBlueBits) - pScreenPriv->dwBitsPerRGB = dwRedBits; - else if (dwGreenBits > dwRedBits && dwGreenBits > dwBlueBits) - pScreenPriv->dwBitsPerRGB = dwGreenBits; - else - pScreenPriv->dwBitsPerRGB = dwBlueBits; - - /* Set screen privates masks */ - pScreenPriv->dwRedMask = pdw[0]; - pScreenPriv->dwGreenMask = pdw[1]; - pScreenPriv->dwBlueMask = pdw[2]; - } - } - else - { - ErrorF ("winQueryRGBBitsAndMasks - winQueryScreenDIBFormat failed\n"); - free (pbmih); - fReturn = FALSE; - } - - /* Free memory */ - free (pbmih); - - return fReturn; -} - - -#ifdef XWIN_MULTIWINDOW -/* - * Redraw all ---? - */ - -static wBOOL CALLBACK -winRedrawAllProcShadowGDI (HWND hwnd, LPARAM lParam) -{ - if (hwnd == (HWND)lParam) - return TRUE; - InvalidateRect (hwnd, NULL, FALSE); - UpdateWindow (hwnd); - return TRUE; -} - -static wBOOL CALLBACK -winRedrawDamagedWindowShadowGDI (HWND hwnd, LPARAM lParam) -{ - BoxPtr pDamage = (BoxPtr)lParam; - RECT rcClient, rcDamage, rcRedraw; - POINT topLeft, bottomRight; - - if (IsIconic (hwnd)) - return TRUE; /* Don't care minimized windows */ - - /* Convert the damaged area from Screen coords to Client coords */ - topLeft.x = pDamage->x1; topLeft.y = pDamage->y1; - bottomRight.x = pDamage->x2; bottomRight.y = pDamage->y2; - topLeft.x += GetSystemMetrics (SM_XVIRTUALSCREEN); - bottomRight.x += GetSystemMetrics (SM_XVIRTUALSCREEN); - topLeft.y += GetSystemMetrics (SM_YVIRTUALSCREEN); - bottomRight.y += GetSystemMetrics (SM_YVIRTUALSCREEN); - ScreenToClient (hwnd, &topLeft); - ScreenToClient (hwnd, &bottomRight); - SetRect (&rcDamage, topLeft.x, topLeft.y, bottomRight.x, bottomRight.y); - - GetClientRect (hwnd, &rcClient); - - if (IntersectRect (&rcRedraw, &rcClient, &rcDamage)) - { - InvalidateRect (hwnd, &rcRedraw, FALSE); - UpdateWindow (hwnd); - } - return TRUE; -} -#endif - - -/* - * Allocate a DIB for the shadow framebuffer GDI server - */ - -static Bool -winAllocateFBShadowGDI (ScreenPtr pScreen) -{ - winScreenPriv(pScreen); - winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; - BITMAPINFOHEADER *pbmih = NULL; - DIBSECTION dibsection; - Bool fReturn = TRUE; - - /* Get device contexts for the screen and shadow bitmap */ - pScreenPriv->hdcScreen = GetDC (pScreenPriv->hwndScreen); - pScreenPriv->hdcShadow = CreateCompatibleDC (pScreenPriv->hdcScreen); - - /* Allocate bitmap info header */ - pbmih = (BITMAPINFOHEADER*) malloc (sizeof (BITMAPINFOHEADER) - + 256 * sizeof (RGBQUAD)); - if (pbmih == NULL) - { - ErrorF ("winAllocateFBShadowGDI - malloc () failed\n"); - return FALSE; - } - - /* Query the screen format */ - fReturn = winQueryScreenDIBFormat (pScreen, pbmih); - - /* Describe shadow bitmap to be created */ - pbmih->biWidth = pScreenInfo->dwWidth; - pbmih->biHeight = -pScreenInfo->dwHeight; - - ErrorF ("winAllocateFBShadowGDI - Creating DIB with width: %d height: %d " - "depth: %d\n", - (int) pbmih->biWidth, (int) -pbmih->biHeight, pbmih->biBitCount); - - /* Create a DI shadow bitmap with a bit pointer */ - pScreenPriv->hbmpShadow = CreateDIBSection (pScreenPriv->hdcScreen, - (BITMAPINFO *) pbmih, - DIB_RGB_COLORS, - (VOID**) &pScreenInfo->pfb, - NULL, - 0); - if (pScreenPriv->hbmpShadow == NULL || pScreenInfo->pfb == NULL) - { - winW32Error (2, "winAllocateFBShadowGDI - CreateDIBSection failed:"); - return FALSE; - } - else - { -#if CYGDEBUG - winDebug ("winAllocateFBShadowGDI - Shadow buffer allocated\n"); -#endif - } - - /* Get information about the bitmap that was allocated */ - GetObject (pScreenPriv->hbmpShadow, - sizeof (dibsection), - &dibsection); - -#if CYGDEBUG || YES - /* Print information about bitmap allocated */ - winDebug ("winAllocateFBShadowGDI - Dibsection width: %d height: %d " - "depth: %d size image: %d\n", - (int) dibsection.dsBmih.biWidth, (int) dibsection.dsBmih.biHeight, - dibsection.dsBmih.biBitCount, - (int) dibsection.dsBmih.biSizeImage); -#endif - - /* Select the shadow bitmap into the shadow DC */ - SelectObject (pScreenPriv->hdcShadow, - pScreenPriv->hbmpShadow); - -#if CYGDEBUG - winDebug ("winAllocateFBShadowGDI - Attempting a shadow blit\n"); -#endif - - /* Do a test blit from the shadow to the screen, I think */ - fReturn = BitBlt (pScreenPriv->hdcScreen, - 0, 0, - pScreenInfo->dwWidth, pScreenInfo->dwHeight, - pScreenPriv->hdcShadow, - 0, 0, - SRCCOPY); - if (fReturn) - { -#if CYGDEBUG - winDebug ("winAllocateFBShadowGDI - Shadow blit success\n"); -#endif - } - else - { - winW32Error (2, "winAllocateFBShadowGDI - Shadow blit failure\n"); -#if 0 - return FALSE; -#else - /* ago: ignore this error. The blit fails with wine, but does not - * cause any problems later. */ - - fReturn = TRUE; -#endif - } - - /* Look for height weirdness */ - if (dibsection.dsBmih.biHeight < 0) - { - dibsection.dsBmih.biHeight = -dibsection.dsBmih.biHeight; - } - - /* Set screeninfo stride */ - pScreenInfo->dwStride = ((dibsection.dsBmih.biSizeImage - / dibsection.dsBmih.biHeight) - * 8) / pScreenInfo->dwBPP; - -#if CYGDEBUG || YES - winDebug ("winAllocateFBShadowGDI - Created shadow stride: %d\n", - (int) pScreenInfo->dwStride); -#endif - - /* See if the shadow bitmap will be larger than the DIB size limit */ - if (pScreenInfo->dwWidth * pScreenInfo->dwHeight * pScreenInfo->dwBPP - >= WIN_DIB_MAXIMUM_SIZE) - { - ErrorF ("winAllocateFBShadowGDI - Requested DIB (bitmap) " - "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); - } - - /* Determine our color masks */ - if (!winQueryRGBBitsAndMasks (pScreen)) - { - ErrorF ("winAllocateFBShadowGDI - winQueryRGBBitsAndMasks failed\n"); - return FALSE; - } - -#ifdef XWIN_MULTIWINDOW - /* Redraw all windows */ - if (pScreenInfo->fMultiWindow) - EnumThreadWindows (g_dwCurrentThreadID, winRedrawAllProcShadowGDI, 0); -#endif - - return fReturn; -} - - -/* - * Blit the damaged regions of the shadow fb to the screen - */ - -static void -winShadowUpdateGDI (ScreenPtr pScreen, - shadowBufPtr pBuf) -{ - winScreenPriv(pScreen); - winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; - RegionPtr damage = &pBuf->damage; - DWORD dwBox = REGION_NUM_RECTS (damage); - BoxPtr pBox = REGION_RECTS (damage); - int x, y, w, h; - HRGN hrgnTemp = NULL, hrgnCombined = NULL; -#ifdef XWIN_UPDATESTATS - static DWORD s_dwNonUnitRegions = 0; - static DWORD s_dwTotalUpdates = 0; - static DWORD s_dwTotalBoxes = 0; -#endif - BoxPtr pBoxExtents = REGION_EXTENTS (pScreen, damage); - - /* - * 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; - -#ifdef XWIN_UPDATESTATS - ++s_dwTotalUpdates; - s_dwTotalBoxes += dwBox; - - if (dwBox != 1) - { - ++s_dwNonUnitRegions; - ErrorF ("winShadowUpdatGDI - dwBox: %d\n", dwBox); - } - - if ((s_dwTotalUpdates % 100) == 0) - ErrorF ("winShadowUpdateGDI - %d%% non-unity regions, avg boxes: %d " - "nu: %d tu: %d\n", - (s_dwNonUnitRegions * 100) / s_dwTotalUpdates, - s_dwTotalBoxes / s_dwTotalUpdates, - s_dwNonUnitRegions, s_dwTotalUpdates); -#endif /* XWIN_UPDATESTATS */ - - /* - * 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--) - { - /* - * Calculate x offset, y offset, width, and height for - * current damage box - */ - x = pBox->x1; - y = pBox->y1; - w = pBox->x2 - pBox->x1; - h = pBox->y2 - pBox->y1; - - BitBlt (pScreenPriv->hdcScreen, - x, y, - w, h, - pScreenPriv->hdcShadow, - x, y, - SRCCOPY); - - /* Get a pointer to the next box */ - ++pBox; - } - } - else - { - /* 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; - - /* - * Blit the shadow buffer to the screen, - * constrained to the clipping region. - */ - BitBlt (pScreenPriv->hdcScreen, - pBoxExtents->x1, pBoxExtents->y1, - pBoxExtents->x2 - pBoxExtents->x1, - pBoxExtents->y2 - pBoxExtents->y1, - pScreenPriv->hdcShadow, - pBoxExtents->x1, pBoxExtents->y1, - SRCCOPY); - - /* Reset the clip region */ - SelectClipRgn (pScreenPriv->hdcScreen, NULL); - } - -#ifdef XWIN_MULTIWINDOW - /* Redraw all multiwindow windows */ - if (pScreenInfo->fMultiWindow) - EnumThreadWindows (g_dwCurrentThreadID, - winRedrawDamagedWindowShadowGDI, - (LPARAM)pBoxExtents); -#endif -} - - -/* See Porting Layer Definition - p. 33 */ -/* - * We wrap whatever CloseScreen procedure was specified by fb; - * a pointer to said procedure is stored in our privates. - */ - -static Bool -winCloseScreenShadowGDI (int nIndex, ScreenPtr pScreen) -{ - winScreenPriv(pScreen); - winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; - Bool fReturn; - -#if CYGDEBUG - winDebug ("winCloseScreenShadowGDI - 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); - - /* Delete the window property */ - RemoveProp (pScreenPriv->hwndScreen, WIN_SCR_PROP); - - /* Free the shadow DC; which allows the bitmap to be freed */ - DeleteDC (pScreenPriv->hdcShadow); - - /* Free the shadow bitmap */ - DeleteObject (pScreenPriv->hbmpShadow); - - /* Free the screen DC */ - ReleaseDC (pScreenPriv->hwndScreen, pScreenPriv->hdcScreen); - - /* 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 - - /* Invalidate 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 -winInitVisualsShadowGDI (ScreenPtr pScreen) -{ - winScreenPriv(pScreen); - winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; - - /* Display debugging information */ - ErrorF ("winInitVisualsShadowGDI - Masks %08x %08x %08x BPRGB %d d %d " - "bpp %d\n", - (unsigned int) pScreenPriv->dwRedMask, - (unsigned int) pScreenPriv->dwGreenMask, - (unsigned int) pScreenPriv->dwBlueMask, - (int) pScreenPriv->dwBitsPerRGB, - (int) pScreenInfo->dwDepth, - (int) pScreenInfo->dwBPP); - - /* Create a single visual according to the Windows screen depth */ - switch (pScreenInfo->dwDepth) - { - case 24: - case 16: - case 15: -#if defined(XFree86Server) - /* Setup the real visual */ - if (!miSetVisualTypesAndMasks (pScreenInfo->dwDepth, - TrueColorMask, - pScreenPriv->dwBitsPerRGB, - -1, - pScreenPriv->dwRedMask, - pScreenPriv->dwGreenMask, - pScreenPriv->dwBlueMask)) - { - ErrorF ("winInitVisualsShadowGDI - miSetVisualTypesAndMasks " - "failed\n"); - return FALSE; - } - -#ifdef XWIN_EMULATEPSEUDO - if (!pScreenInfo->fEmulatePseudo) - break; - - /* Setup a pseudocolor visual */ - if (!miSetVisualTypesAndMasks (8, - PseudoColorMask, - 8, - -1, - 0, - 0, - 0)) - { - ErrorF ("winInitVisualsShadowGDI - miSetVisualTypesAndMasks " - "failed for PseudoColor\n"); - return FALSE; - } -#endif -#else /* XFree86Server */ - /* Setup the real visual */ - if (!fbSetVisualTypesAndMasks (pScreenInfo->dwDepth, - TrueColorMask, - pScreenPriv->dwBitsPerRGB, - pScreenPriv->dwRedMask, - pScreenPriv->dwGreenMask, - pScreenPriv->dwBlueMask)) - { - ErrorF ("winInitVisualsShadowGDI - fbSetVisualTypesAndMasks " - "failed for TrueColor\n"); - return FALSE; - } - -#ifdef XWIN_EMULATEPSEUDO - if (!pScreenInfo->fEmulatePseudo) - break; - - /* Setup a pseudocolor visual */ - if (!fbSetVisualTypesAndMasks (8, - PseudoColorMask, - 8, - 0, - 0, - 0)) - { - ErrorF ("winInitVisualsShadowGDI - fbSetVisualTypesAndMasks " - "failed for PseudoColor\n"); - return FALSE; - } -#endif -#endif /* XFree86Server */ - break; - - case 8: -#if defined(XFree86Server) - if (!miSetVisualTypesAndMasks (pScreenInfo->dwDepth, - PseudoColorMask, - pScreenPriv->dwBitsPerRGB, - PseudoColor, - pScreenPriv->dwRedMask, - pScreenPriv->dwGreenMask, - pScreenPriv->dwBlueMask)) - { - ErrorF ("winInitVisualsShadowGDI - miSetVisualTypesAndMasks " - "failed\n"); - return FALSE; - } -#else /* XFree86Server */ - if (!fbSetVisualTypesAndMasks (pScreenInfo->dwDepth, - PseudoColorMask, - pScreenPriv->dwBitsPerRGB, - pScreenPriv->dwRedMask, - pScreenPriv->dwGreenMask, - pScreenPriv->dwBlueMask)) - { - ErrorF ("winInitVisualsShadowGDI - fbSetVisualTypesAndMasks " - "failed\n"); - return FALSE; - } -#endif - break; - - default: - ErrorF ("winInitVisualsShadowGDI - Unknown screen depth\n"); - return FALSE; - } - -#if CYGDEBUG - winDebug ("winInitVisualsShadowGDI - Returning\n"); -#endif - - return TRUE; -} - - -/* - * Adjust the proposed video mode - */ - -static Bool -winAdjustVideoModeShadowGDI (ScreenPtr pScreen) -{ - winScreenPriv(pScreen); - winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; - HDC hdc; - DWORD dwBPP; - - hdc = GetDC (NULL); - - /* We're in serious trouble if we can't get a DC */ - if (hdc == NULL) - { - ErrorF ("winAdjustVideoModeShadowGDI - GetDC () failed\n"); - return FALSE; - } - - /* Query GDI for current display depth */ - dwBPP = GetDeviceCaps (hdc, BITSPIXEL); - - /* GDI cannot change the screen depth */ - if (pScreenInfo->dwBPP == WIN_DEFAULT_BPP) - { - /* No -depth parameter passed, let the user know the depth being used */ - ErrorF ("winAdjustVideoModeShadowGDI - Using Windows display " - "depth of %d bits per pixel\n", (int) dwBPP); - - /* Use GDI's depth */ - pScreenInfo->dwBPP = dwBPP; - } - else if (dwBPP != pScreenInfo->dwBPP) - { - /* Warn user if GDI depth is different than -depth parameter */ - ErrorF ("winAdjustVideoModeShadowGDI - Command line bpp: %d, "\ - "using bpp: %d\n", (int) pScreenInfo->dwBPP, (int) dwBPP); - - /* We'll use GDI's depth */ - pScreenInfo->dwBPP = dwBPP; - } - - /* Release our DC */ - ReleaseDC (NULL, hdc); - hdc = NULL; - - return TRUE; -} - - -/* - * Blt exposed regions to the screen - */ - -static Bool -winBltExposedRegionsShadowGDI (ScreenPtr pScreen) -{ - winScreenPriv(pScreen); - winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; - winPrivCmapPtr pCmapPriv = NULL; - HDC hdcUpdate; - PAINTSTRUCT ps; - - /* BeginPaint gives us an hdc that clips to the invalidated region */ - hdcUpdate = BeginPaint (pScreenPriv->hwndScreen, &ps); - - /* Realize the palette, if we have one */ - if (pScreenPriv->pcmapInstalled != NULL) - { - pCmapPriv = winGetCmapPriv (pScreenPriv->pcmapInstalled); - - SelectPalette (hdcUpdate, pCmapPriv->hPalette, FALSE); - RealizePalette (hdcUpdate); - } - - /* Our BitBlt will be clipped to the invalidated region */ - BitBlt (hdcUpdate, - 0, 0, - pScreenInfo->dwWidth, pScreenInfo->dwHeight, - pScreenPriv->hdcShadow, - 0, 0, - SRCCOPY); - - /* EndPaint frees the DC */ - EndPaint (pScreenPriv->hwndScreen, &ps); - -#ifdef XWIN_MULTIWINDOW - /* Redraw all windows */ - if (pScreenInfo->fMultiWindow) - EnumThreadWindows(g_dwCurrentThreadID, winRedrawAllProcShadowGDI, - (LPARAM)pScreenPriv->hwndScreen); -#endif - - return TRUE; -} - - -/* - * Do any engine-specific appliation-activation processing - */ - -static Bool -winActivateAppShadowGDI (ScreenPtr pScreen) -{ - winScreenPriv(pScreen); - winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; - - /* - * 2004/04/12 - Harold - We perform the restoring or minimizing - * manually for ShadowGDI in fullscreen modes so that this engine - * will perform just like ShadowDD and ShadowDDNL in fullscreen mode; - * if we do not do this then our fullscreen window will appear in the - * z-order when it is deactivated and it can be uncovered by resizing - * or minimizing another window that is on top of it, which is not how - * the DirectDraw engines work. Therefore we keep this code here to - * make sure that all engines work the same in fullscreen mode. - */ - - /* - * Are we active? - * Are we fullscreen? - */ - if (pScreenPriv->fActive - && pScreenInfo->fFullScreen) - { - /* - * Activating, attempt to bring our window - * to the top of the display - */ - ShowWindow (pScreenPriv->hwndScreen, SW_RESTORE); - } - else if (!pScreenPriv->fActive - && pScreenInfo->fFullScreen) - { - /* - * Deactivating, stuff our window onto the - * task bar. - */ - ShowWindow (pScreenPriv->hwndScreen, SW_MINIMIZE); - } - - return TRUE; -} - - -/* - * Reblit the shadow framebuffer to the screen. - */ - -static Bool -winRedrawScreenShadowGDI (ScreenPtr pScreen) -{ - winScreenPriv(pScreen); - winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; - - /* Redraw the whole window, to take account for the new colors */ - BitBlt (pScreenPriv->hdcScreen, - 0, 0, - pScreenInfo->dwWidth, pScreenInfo->dwHeight, - pScreenPriv->hdcShadow, - 0, 0, - SRCCOPY); - -#ifdef XWIN_MULTIWINDOW - /* Redraw all windows */ - if (pScreenInfo->fMultiWindow) - EnumThreadWindows(g_dwCurrentThreadID, winRedrawAllProcShadowGDI, 0); -#endif - - return TRUE; -} - - - -/* - * Realize the currently installed colormap - */ - -static Bool -winRealizeInstalledPaletteShadowGDI (ScreenPtr pScreen) -{ - winScreenPriv(pScreen); - winPrivCmapPtr pCmapPriv = NULL; - -#if CYGDEBUG - winDebug ("winRealizeInstalledPaletteShadowGDI\n"); -#endif - - /* Don't do anything if there is not a colormap */ - if (pScreenPriv->pcmapInstalled == NULL) - { -#if CYGDEBUG - winDebug ("winRealizeInstalledPaletteShadowGDI - No colormap " - "installed\n"); -#endif - return TRUE; - } - - pCmapPriv = winGetCmapPriv (pScreenPriv->pcmapInstalled); - - /* Realize our palette for the screen */ - if (RealizePalette (pScreenPriv->hdcScreen) == GDI_ERROR) - { - ErrorF ("winRealizeInstalledPaletteShadowGDI - RealizePalette () " - "failed\n"); - return FALSE; - } - - /* Set the DIB color table */ - if (SetDIBColorTable (pScreenPriv->hdcShadow, - 0, - WIN_NUM_PALETTE_ENTRIES, - pCmapPriv->rgbColors) == 0) - { - ErrorF ("winRealizeInstalledPaletteShadowGDI - SetDIBColorTable () " - "failed\n"); - return FALSE; - } - - return TRUE; -} - - -/* - * Install the specified colormap - */ - -static Bool -winInstallColormapShadowGDI (ColormapPtr pColormap) -{ - ScreenPtr pScreen = pColormap->pScreen; - winScreenPriv(pScreen); - winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; - winCmapPriv(pColormap); - - /* - * Tell Windows to install the new colormap - */ - if (SelectPalette (pScreenPriv->hdcScreen, - pCmapPriv->hPalette, - FALSE) == NULL) - { - ErrorF ("winInstallColormapShadowGDI - SelectPalette () failed\n"); - return FALSE; - } - - /* Realize the palette */ - if (GDI_ERROR == RealizePalette (pScreenPriv->hdcScreen)) - { - ErrorF ("winInstallColormapShadowGDI - RealizePalette () failed\n"); - return FALSE; - } - - /* Set the DIB color table */ - if (SetDIBColorTable (pScreenPriv->hdcShadow, - 0, - WIN_NUM_PALETTE_ENTRIES, - pCmapPriv->rgbColors) == 0) - { - ErrorF ("winInstallColormapShadowGDI - SetDIBColorTable () failed\n"); - return FALSE; - } - - /* Redraw the whole window, to take account for the new colors */ - BitBlt (pScreenPriv->hdcScreen, - 0, 0, - pScreenInfo->dwWidth, pScreenInfo->dwHeight, - pScreenPriv->hdcShadow, - 0, 0, - SRCCOPY); - - /* Save a pointer to the newly installed colormap */ - pScreenPriv->pcmapInstalled = pColormap; - -#ifdef XWIN_MULTIWINDOW - /* Redraw all windows */ - if (pScreenInfo->fMultiWindow) - EnumThreadWindows (g_dwCurrentThreadID, winRedrawAllProcShadowGDI, 0); -#endif - - return TRUE; -} - - -/* - * Store the specified colors in the specified colormap - */ - -static Bool -winStoreColorsShadowGDI (ColormapPtr pColormap, - int ndef, - xColorItem *pdefs) -{ - ScreenPtr pScreen = pColormap->pScreen; - winScreenPriv(pScreen); - winCmapPriv(pColormap); - ColormapPtr curpmap = pScreenPriv->pcmapInstalled; - - /* Put the X colormap entries into the Windows logical palette */ - if (SetPaletteEntries (pCmapPriv->hPalette, - pdefs[0].pixel, - ndef, - pCmapPriv->peColors + pdefs[0].pixel) == 0) - { - ErrorF ("winStoreColorsShadowGDI - SetPaletteEntries () failed\n"); - return FALSE; - } - - /* Don't install the Windows palette if the colormap is not installed */ - if (pColormap != curpmap) - { - return TRUE; - } - - /* Try to install the newly modified colormap */ - if (!winInstallColormapShadowGDI (pColormap)) - { - ErrorF ("winInstallColormapShadowGDI - winInstallColormapShadowGDI " - "failed\n"); - return FALSE; - } - -#if 0 - /* Tell Windows that the palette has changed */ - RealizePalette (pScreenPriv->hdcScreen); - - /* Set the DIB color table */ - if (SetDIBColorTable (pScreenPriv->hdcShadow, - pdefs[0].pixel, - ndef, - pCmapPriv->rgbColors + pdefs[0].pixel) == 0) - { - ErrorF ("winInstallColormapShadowGDI - SetDIBColorTable () failed\n"); - return FALSE; - } - - /* Save a pointer to the newly installed colormap */ - pScreenPriv->pcmapInstalled = pColormap; -#endif - - return TRUE; -} - - -/* - * Colormap initialization procedure - */ - -static Bool -winCreateColormapShadowGDI (ColormapPtr pColormap) -{ - LPLOGPALETTE lpPaletteNew = NULL; - DWORD dwEntriesMax; - VisualPtr pVisual; - HPALETTE hpalNew = NULL; - winCmapPriv(pColormap); - - /* Get a pointer to the visual that the colormap belongs to */ - pVisual = pColormap->pVisual; - - /* Get the maximum number of palette entries for this visual */ - dwEntriesMax = pVisual->ColormapEntries; - - /* Allocate a Windows logical color palette with max entries */ - lpPaletteNew = malloc (sizeof (LOGPALETTE) - + (dwEntriesMax - 1) * sizeof (PALETTEENTRY)); - if (lpPaletteNew == NULL) - { - ErrorF ("winCreateColormapShadowGDI - Couldn't allocate palette " - "with %d entries\n", - (int) dwEntriesMax); - return FALSE; - } - - /* Zero out the colormap */ - ZeroMemory (lpPaletteNew, sizeof (LOGPALETTE) - + (dwEntriesMax - 1) * sizeof (PALETTEENTRY)); - - /* Set the logical palette structure */ - lpPaletteNew->palVersion = 0x0300; - lpPaletteNew->palNumEntries = dwEntriesMax; - - /* Tell Windows to create the palette */ - hpalNew = CreatePalette (lpPaletteNew); - if (hpalNew == NULL) - { - ErrorF ("winCreateColormapShadowGDI - CreatePalette () failed\n"); - free (lpPaletteNew); - return FALSE; - } - - /* Save the Windows logical palette handle in the X colormaps' privates */ - pCmapPriv->hPalette = hpalNew; - - /* Free the palette initialization memory */ - free (lpPaletteNew); - - return TRUE; -} - - -/* - * Colormap destruction procedure - */ - -static Bool -winDestroyColormapShadowGDI (ColormapPtr pColormap) -{ - winScreenPriv(pColormap->pScreen); - winCmapPriv(pColormap); - - /* - * 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 ("winDestroyColormapShadowGDI - 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 device context */ - SelectPalette (pScreenPriv->hdcScreen, - GetStockObject (DEFAULT_PALETTE), - FALSE); - - /* Clear our private installed colormap pointer */ - pScreenPriv->pcmapInstalled = NULL; - } - - /* Try to delete the logical palette */ - if (DeleteObject (pCmapPriv->hPalette) == 0) - { - ErrorF ("winDestroyColormap - DeleteObject () failed\n"); - return FALSE; - } - - /* Invalidate the colormap privates */ - pCmapPriv->hPalette = NULL; - - return TRUE; -} - - -/* - * Set engine specific funtions - */ - -Bool -winSetEngineFunctionsShadowGDI (ScreenPtr pScreen) -{ - winScreenPriv(pScreen); - winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; - - /* Set our pointers */ - pScreenPriv->pwinAllocateFB = winAllocateFBShadowGDI; - pScreenPriv->pwinShadowUpdate = winShadowUpdateGDI; - pScreenPriv->pwinCloseScreen = winCloseScreenShadowGDI; - pScreenPriv->pwinInitVisuals = winInitVisualsShadowGDI; - pScreenPriv->pwinAdjustVideoMode = winAdjustVideoModeShadowGDI; - if (pScreenInfo->fFullScreen) - pScreenPriv->pwinCreateBoundingWindow = winCreateBoundingWindowFullScreen; - else - pScreenPriv->pwinCreateBoundingWindow = winCreateBoundingWindowWindowed; - pScreenPriv->pwinFinishScreenInit = winFinishScreenInitFB; - pScreenPriv->pwinBltExposedRegions = winBltExposedRegionsShadowGDI; - pScreenPriv->pwinActivateApp = winActivateAppShadowGDI; - pScreenPriv->pwinRedrawScreen = winRedrawScreenShadowGDI; - pScreenPriv->pwinRealizeInstalledPalette = - winRealizeInstalledPaletteShadowGDI; - pScreenPriv->pwinInstallColormap = winInstallColormapShadowGDI; - pScreenPriv->pwinStoreColors = winStoreColorsShadowGDI; - pScreenPriv->pwinCreateColormap = winCreateColormapShadowGDI; - pScreenPriv->pwinDestroyColormap = winDestroyColormapShadowGDI; - pScreenPriv->pwinHotKeyAltTab = (winHotKeyAltTabProcPtr) (void (*)(void))NoopDDA; - pScreenPriv->pwinCreatePrimarySurface - = (winCreatePrimarySurfaceProcPtr) (void (*)(void))NoopDDA; - pScreenPriv->pwinReleasePrimarySurface - = (winReleasePrimarySurfaceProcPtr) (void (*)(void))NoopDDA; -#ifdef XWIN_MULTIWINDOW - pScreenPriv->pwinFinishCreateWindowsWindow = - (winFinishCreateWindowsWindowProcPtr) (void (*)(void))NoopDDA; -#endif - - return TRUE; -} |