diff options
Diffstat (limited to 'xorg-server/hw/xwin/winshadgdi.c')
| -rw-r--r-- | xorg-server/hw/xwin/winshadgdi.c | 2526 |
1 files changed, 1259 insertions, 1267 deletions
diff --git a/xorg-server/hw/xwin/winshadgdi.c b/xorg-server/hw/xwin/winshadgdi.c index 4f36547f9..499037656 100644 --- a/xorg-server/hw/xwin/winshadgdi.c +++ b/xorg-server/hw/xwin/winshadgdi.c @@ -1,1267 +1,1259 @@ -/*
- *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"
-
-
-/*
- * 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 = shadowDamage(pBuf);
- DWORD dwBox = RegionNumRects (damage);
- BoxPtr pBox = RegionRects (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 = RegionExtents(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->fMultiWindow &&
- (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 if (!pScreenInfo->fMultiWindow)
- {
- /* 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:
- /* 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
- break;
-
- case 8:
- if (!miSetVisualTypesAndMasks (pScreenInfo->dwDepth,
- PseudoColorMask,
- pScreenPriv->dwBitsPerRGB,
- PseudoColor,
- pScreenPriv->dwRedMask,
- pScreenPriv->dwGreenMask,
- pScreenPriv->dwBlueMask))
- {
- ErrorF ("winInitVisualsShadowGDI - miSetVisualTypesAndMasks "
- "failed\n");
- return FALSE;
- }
- 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;
-}
+/* + *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" + + +/* + * 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; + DIBSECTION dibsection; + Bool fReturn = TRUE; + + /* Describe shadow bitmap to be created */ + pScreenPriv->pbmih->biWidth = pScreenInfo->dwWidth; + pScreenPriv->pbmih->biHeight = -pScreenInfo->dwHeight; + + ErrorF ("winAllocateFBShadowGDI - Creating DIB with width: %d height: %d " + "depth: %d\n", + (int) pScreenPriv->pbmih->biWidth, (int) -pScreenPriv->pbmih->biHeight, pScreenPriv->pbmih->biBitCount); + + /* Create a DI shadow bitmap with a bit pointer */ + pScreenPriv->hbmpShadow = CreateDIBSection (pScreenPriv->hdcScreen, + (BITMAPINFO *) pScreenPriv->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 + +#ifdef XWIN_MULTIWINDOW + /* Redraw all windows */ + if (pScreenInfo->fMultiWindow) + EnumThreadWindows (g_dwCurrentThreadID, winRedrawAllProcShadowGDI, 0); +#endif + + return fReturn; +} + +static void +winFreeFBShadowGDI (ScreenPtr pScreen) +{ + winScreenPriv(pScreen); + winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; + + /* Free the shadow bitmap */ + DeleteObject (pScreenPriv->hbmpShadow); + + /* Invalidate the ScreenInfo's fb pointer */ + pScreenInfo->pfb = NULL; +} + +/* + * 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 = shadowDamage(pBuf); + DWORD dwBox = RegionNumRects (damage); + BoxPtr pBox = RegionRects (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 = RegionExtents(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->fMultiWindow && + (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 if (!pScreenInfo->fMultiWindow) + { + /* 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 +} + + +static Bool +winInitScreenShadowGDI (ScreenPtr pScreen) +{ + winScreenPriv(pScreen); + + /* Get device contexts for the screen and shadow bitmap */ + pScreenPriv->hdcScreen = GetDC (pScreenPriv->hwndScreen); + pScreenPriv->hdcShadow = CreateCompatibleDC (pScreenPriv->hdcScreen); + + /* Allocate bitmap info header */ + pScreenPriv->pbmih = (BITMAPINFOHEADER*) malloc (sizeof (BITMAPINFOHEADER) + + 256 * sizeof (RGBQUAD)); + if (pScreenPriv->pbmih == NULL) + { + ErrorF ("winInitScreenShadowGDI - malloc () failed\n"); + return FALSE; + } + + /* Query the screen format */ + if (!winQueryScreenDIBFormat (pScreen, pScreenPriv->pbmih)) + { + ErrorF ("winInitScreenShadowGDI - winQueryScreenDIBFormat failed\n"); + return FALSE; + } + + /* Determine our color masks */ + if (!winQueryRGBBitsAndMasks (pScreen)) + { + ErrorF ("winInitScreenShadowGDI - winQueryRGBBitsAndMasks failed\n"); + return FALSE; + } + + return winAllocateFBShadowGDI(pScreen); +} + +/* 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); + + winFreeFBShadowGDI(pScreen); + + /* 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; + + /* 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: + /* 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 + break; + + case 8: + if (!miSetVisualTypesAndMasks (pScreenInfo->dwDepth, + PseudoColorMask, + pScreenPriv->dwBitsPerRGB, + PseudoColor, + pScreenPriv->dwRedMask, + pScreenPriv->dwGreenMask, + pScreenPriv->dwBlueMask)) + { + ErrorF ("winInitVisualsShadowGDI - miSetVisualTypesAndMasks " + "failed\n"); + return FALSE; + } + 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, so always 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->pwinFreeFB = winFreeFBShadowGDI; + pScreenPriv->pwinShadowUpdate = winShadowUpdateGDI; + pScreenPriv->pwinInitScreen = winInitScreenShadowGDI; + 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; +} |