diff options
Diffstat (limited to 'xorg-server/fb/fboverlay.c')
| -rw-r--r-- | xorg-server/fb/fboverlay.c | 858 |
1 files changed, 425 insertions, 433 deletions
diff --git a/xorg-server/fb/fboverlay.c b/xorg-server/fb/fboverlay.c index d6986e2a8..61eaaa3f9 100644 --- a/xorg-server/fb/fboverlay.c +++ b/xorg-server/fb/fboverlay.c @@ -1,433 +1,425 @@ -/*
- *
- * Copyright © 2000 SuSE, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of SuSE not be used in advertising or
- * publicity pertaining to distribution of the software without specific,
- * written prior permission. SuSE makes no representations about the
- * suitability of this software for any purpose. It is provided "as is"
- * without express or implied warranty.
- *
- * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
- * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- * Author: Keith Packard, SuSE, Inc.
- */
-
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <stdlib.h>
-
-#include "fb.h"
-#include "fboverlay.h"
-#include "shmint.h"
-
-static DevPrivateKeyRec fbOverlayScreenPrivateKeyRec;
-#define fbOverlayScreenPrivateKey (&fbOverlayScreenPrivateKeyRec)
-
-DevPrivateKey fbOverlayGetScreenPrivateKey(void)
-{
- return fbOverlayScreenPrivateKey;
-}
-
-/*
- * Replace this if you want something supporting
- * multiple overlays with the same depth
- */
-Bool
-fbOverlayCreateWindow(WindowPtr pWin)
-{
- FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pWin->drawable.pScreen);
- int i;
- PixmapPtr pPixmap;
-
- if (pWin->drawable.class != InputOutput)
- return TRUE;
-
-#ifdef FB_SCREEN_PRIVATE
- if (pWin->drawable.bitsPerPixel == 32)
- pWin->drawable.bitsPerPixel = fbGetScreenPrivate(pWin->drawable.pScreen)->win32bpp;
-#endif
-
- for (i = 0; i < pScrPriv->nlayers; i++)
- {
- pPixmap = pScrPriv->layer[i].u.run.pixmap;
- if (pWin->drawable.depth == pPixmap->drawable.depth)
- {
- dixSetPrivate(&pWin->devPrivates, fbGetWinPrivateKey(), pPixmap);
- /*
- * Make sure layer keys are written correctly by
- * having non-root layers set to full while the
- * root layer is set to empty. This will cause
- * all of the layers to get painted when the root
- * is mapped
- */
- if (!pWin->parent)
- {
- RegionEmpty(&pScrPriv->layer[i].u.run.region);
- }
- return TRUE;
- }
- }
- return FALSE;
-}
-
-Bool
-fbOverlayCloseScreen (int iScreen, ScreenPtr pScreen)
-{
- FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pScreen);
- int i;
-
- for (i = 0; i < pScrPriv->nlayers; i++)
- {
- (*pScreen->DestroyPixmap)(pScrPriv->layer[i].u.run.pixmap);
- RegionUninit(&pScrPriv->layer[i].u.run.region);
- }
- return TRUE;
-}
-
-/*
- * Return layer containing this window
- */
-int
-fbOverlayWindowLayer(WindowPtr pWin)
-{
- FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pWin->drawable.pScreen);
- int i;
-
- for (i = 0; i < pScrPriv->nlayers; i++)
- if (dixLookupPrivate(&pWin->devPrivates, fbGetWinPrivateKey()) ==
- (pointer) pScrPriv->layer[i].u.run.pixmap)
- return i;
- return 0;
-}
-
-Bool
-fbOverlayCreateScreenResources(ScreenPtr pScreen)
-{
- int i;
- FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pScreen);
- PixmapPtr pPixmap;
- pointer pbits;
- int width;
- int depth;
- BoxRec box;
-
- if (!miCreateScreenResources(pScreen))
- return FALSE;
-
- box.x1 = 0;
- box.y1 = 0;
- box.x2 = pScreen->width;
- box.y2 = pScreen->height;
- for (i = 0; i < pScrPriv->nlayers; i++)
- {
- pbits = pScrPriv->layer[i].u.init.pbits;
- width = pScrPriv->layer[i].u.init.width;
- depth = pScrPriv->layer[i].u.init.depth;
- pPixmap = (*pScreen->CreatePixmap)(pScreen, 0, 0, depth, 0);
- if (!pPixmap)
- return FALSE;
- if (!(*pScreen->ModifyPixmapHeader)(pPixmap, pScreen->width,
- pScreen->height, depth,
- BitsPerPixel(depth),
- PixmapBytePad(width, depth),
- pbits))
- return FALSE;
- pScrPriv->layer[i].u.run.pixmap = pPixmap;
- RegionInit(&pScrPriv->layer[i].u.run.region, &box, 0);
- }
- pScreen->devPrivate = pScrPriv->layer[0].u.run.pixmap;
- return TRUE;
-}
-
-void
-fbOverlayPaintKey (DrawablePtr pDrawable,
- RegionPtr pRegion,
- CARD32 pixel,
- int layer)
-{
- fbFillRegionSolid (pDrawable, pRegion, 0,
- fbReplicatePixel (pixel, pDrawable->bitsPerPixel));
-}
-
-/*
- * Track visible region for each layer
- */
-void
-fbOverlayUpdateLayerRegion (ScreenPtr pScreen,
- int layer,
- RegionPtr prgn)
-{
- FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pScreen);
- int i;
- RegionRec rgnNew;
-
- if (!prgn || !RegionNotEmpty(prgn))
- return;
- for (i = 0; i < pScrPriv->nlayers; i++)
- {
- if (i == layer)
- {
- /* add new piece to this fb */
- RegionUnion(&pScrPriv->layer[i].u.run.region,
- &pScrPriv->layer[i].u.run.region,
- prgn);
- }
- else if (RegionNotEmpty(&pScrPriv->layer[i].u.run.region))
- {
- /* paint new piece with chroma key */
- RegionNull(&rgnNew);
- RegionIntersect(&rgnNew, prgn,
- &pScrPriv->layer[i].u.run.region);
- (*pScrPriv->PaintKey) (&pScrPriv->layer[i].u.run.pixmap->drawable,
- &rgnNew,
- pScrPriv->layer[i].key,
- i);
- RegionUninit(&rgnNew);
- /* remove piece from other fbs */
- RegionSubtract(&pScrPriv->layer[i].u.run.region,
- &pScrPriv->layer[i].u.run.region,
- prgn);
- }
- }
-}
-
-/*
- * Copy only areas in each layer containing real bits
- */
-void
-fbOverlayCopyWindow(WindowPtr pWin,
- DDXPointRec ptOldOrg,
- RegionPtr prgnSrc)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pScreen);
- RegionRec rgnDst;
- int dx, dy;
- int i;
- RegionRec layerRgn[FB_OVERLAY_MAX];
- PixmapPtr pPixmap;
-
- dx = ptOldOrg.x - pWin->drawable.x;
- dy = ptOldOrg.y - pWin->drawable.y;
-
- /*
- * Clip to existing bits
- */
- RegionTranslate(prgnSrc, -dx, -dy);
- RegionNull(&rgnDst);
- RegionIntersect(&rgnDst, &pWin->borderClip, prgnSrc);
- RegionTranslate(&rgnDst, dx, dy);
- /*
- * Compute the portion of each fb affected by this copy
- */
- for (i = 0; i < pScrPriv->nlayers; i++)
- {
- RegionNull(&layerRgn[i]);
- RegionIntersect(&layerRgn[i], &rgnDst,
- &pScrPriv->layer[i].u.run.region);
- if (RegionNotEmpty(&layerRgn[i]))
- {
- RegionTranslate(&layerRgn[i], -dx, -dy);
- pPixmap = pScrPriv->layer[i].u.run.pixmap;
- miCopyRegion (&pPixmap->drawable, &pPixmap->drawable,
- 0,
- &layerRgn[i], dx, dy, pScrPriv->CopyWindow, 0,
- (void *)(long) i);
- }
- }
- /*
- * Update regions
- */
- for (i = 0; i < pScrPriv->nlayers; i++)
- {
- if (RegionNotEmpty(&layerRgn[i]))
- fbOverlayUpdateLayerRegion (pScreen, i, &layerRgn[i]);
-
- RegionUninit(&layerRgn[i]);
- }
- RegionUninit(&rgnDst);
-}
-
-void
-fbOverlayWindowExposures (WindowPtr pWin,
- RegionPtr prgn,
- RegionPtr other_exposed)
-{
- fbOverlayUpdateLayerRegion (pWin->drawable.pScreen,
- fbOverlayWindowLayer (pWin),
- prgn);
- miWindowExposures(pWin, prgn, other_exposed);
-}
-
-Bool
-fbOverlaySetupScreen(ScreenPtr pScreen,
- pointer pbits1,
- pointer pbits2,
- int xsize,
- int ysize,
- int dpix,
- int dpiy,
- int width1,
- int width2,
- int bpp1,
- int bpp2)
-{
- return fbSetupScreen (pScreen,
- pbits1,
- xsize,
- ysize,
- dpix,
- dpiy,
- width1,
- bpp1);
-}
-
-static Bool
-fb24_32OverlayCreateScreenResources(ScreenPtr pScreen)
-{
- FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pScreen);
- int pitch;
- Bool retval;
- int i;
-
- if((retval = fbOverlayCreateScreenResources(pScreen))) {
- for (i = 0; i < pScrPriv->nlayers; i++)
- {
- /* fix the screen pixmap */
- PixmapPtr pPix = (PixmapPtr) pScrPriv->layer[i].u.run.pixmap;
- if (pPix->drawable.bitsPerPixel == 32) {
- pPix->drawable.bitsPerPixel = 24;
- pitch = BitmapBytePad(pPix->drawable.width * 24);
- pPix->devKind = pitch;
- }
- }
- }
-
- return retval;
-}
-
-Bool
-fbOverlayFinishScreenInit(ScreenPtr pScreen,
- pointer pbits1,
- pointer pbits2,
- int xsize,
- int ysize,
- int dpix,
- int dpiy,
- int width1,
- int width2,
- int bpp1,
- int bpp2,
- int depth1,
- int depth2)
-{
- VisualPtr visuals;
- DepthPtr depths;
- int nvisuals;
- int ndepths;
- int bpp = 0, imagebpp = 32;
- VisualID defaultVisual;
- FbOverlayScrPrivPtr pScrPriv;
-
- if (!dixRegisterPrivateKey(&fbOverlayScreenPrivateKeyRec, PRIVATE_SCREEN, 0))
- return FALSE;
-
- pScrPriv = malloc(sizeof (FbOverlayScrPrivRec));
- if (!pScrPriv)
- return FALSE;
-
-#ifdef FB_24_32BIT
- if (bpp1 == 32 || bpp2 == 32)
- bpp = 32;
- else if (bpp1 == 24 || bpp2 == 24)
- bpp = 24;
-
- if (bpp == 24)
- {
- int f;
-
- imagebpp = 32;
- /*
- * Check to see if we're advertising a 24bpp image format,
- * in which case windows will use it in preference to a 32 bit
- * format.
- */
- for (f = 0; f < screenInfo.numPixmapFormats; f++)
- {
- if (screenInfo.formats[f].bitsPerPixel == 24)
- {
- imagebpp = 24;
- break;
- }
- }
- }
-#endif
-#ifdef FB_SCREEN_PRIVATE
- if (imagebpp == 32)
- {
- fbGetScreenPrivate(pScreen)->win32bpp = bpp;
- fbGetScreenPrivate(pScreen)->pix32bpp = bpp;
- }
- else
- {
- fbGetScreenPrivate(pScreen)->win32bpp = 32;
- fbGetScreenPrivate(pScreen)->pix32bpp = 32;
- }
-#endif
-
- if (!fbInitVisuals (&visuals, &depths, &nvisuals, &ndepths, &depth1,
- &defaultVisual, ((unsigned long)1<<(bpp1-1)) |
- ((unsigned long)1<<(bpp2-1)), 8))
- return FALSE;
- if (! miScreenInit(pScreen, 0, xsize, ysize, dpix, dpiy, 0,
- depth1, ndepths, depths,
- defaultVisual, nvisuals, visuals))
- return FALSE;
- /* MI thinks there's no frame buffer */
-#ifdef MITSHM
- ShmRegisterFbFuncs(pScreen);
-#endif
- pScreen->minInstalledCmaps = 1;
- pScreen->maxInstalledCmaps = 2;
-
- pScrPriv->nlayers = 2;
- pScrPriv->PaintKey = fbOverlayPaintKey;
- pScrPriv->CopyWindow = fbCopyWindowProc;
- pScrPriv->layer[0].u.init.pbits = pbits1;
- pScrPriv->layer[0].u.init.width = width1;
- pScrPriv->layer[0].u.init.depth = depth1;
-
- pScrPriv->layer[1].u.init.pbits = pbits2;
- pScrPriv->layer[1].u.init.width = width2;
- pScrPriv->layer[1].u.init.depth = depth2;
- dixSetPrivate(&pScreen->devPrivates, fbOverlayScreenPrivateKey, pScrPriv);
-
- /* overwrite miCloseScreen with our own */
- pScreen->CloseScreen = fbOverlayCloseScreen;
- pScreen->CreateScreenResources = fbOverlayCreateScreenResources;
- pScreen->CreateWindow = fbOverlayCreateWindow;
- pScreen->WindowExposures = fbOverlayWindowExposures;
- pScreen->CopyWindow = fbOverlayCopyWindow;
-#ifdef FB_24_32BIT
- if (bpp == 24 && imagebpp == 32)
- {
- pScreen->ModifyPixmapHeader = fb24_32ModifyPixmapHeader;
- pScreen->CreateScreenResources = fb24_32OverlayCreateScreenResources;
- }
-#endif
-
- return TRUE;
-}
+/* + * + * Copyright © 2000 SuSE, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of SuSE not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. SuSE makes no representations about the + * suitability of this software for any purpose. It is provided "as is" + * without express or implied warranty. + * + * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE + * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Keith Packard, SuSE, Inc. + */ + + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <stdlib.h> + +#include "fb.h" +#include "fboverlay.h" +#include "shmint.h" + +static DevPrivateKeyRec fbOverlayScreenPrivateKeyRec; +#define fbOverlayScreenPrivateKey (&fbOverlayScreenPrivateKeyRec) + +DevPrivateKey fbOverlayGetScreenPrivateKey(void) +{ + return fbOverlayScreenPrivateKey; +} + +/* + * Replace this if you want something supporting + * multiple overlays with the same depth + */ +Bool +fbOverlayCreateWindow(WindowPtr pWin) +{ + FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pWin->drawable.pScreen); + int i; + PixmapPtr pPixmap; + + if (pWin->drawable.class != InputOutput) + return TRUE; + + if (pWin->drawable.bitsPerPixel == 32) + pWin->drawable.bitsPerPixel = fbGetScreenPrivate(pWin->drawable.pScreen)->win32bpp; + + for (i = 0; i < pScrPriv->nlayers; i++) + { + pPixmap = pScrPriv->layer[i].u.run.pixmap; + if (pWin->drawable.depth == pPixmap->drawable.depth) + { + dixSetPrivate(&pWin->devPrivates, fbGetWinPrivateKey(), pPixmap); + /* + * Make sure layer keys are written correctly by + * having non-root layers set to full while the + * root layer is set to empty. This will cause + * all of the layers to get painted when the root + * is mapped + */ + if (!pWin->parent) + { + RegionEmpty(&pScrPriv->layer[i].u.run.region); + } + return TRUE; + } + } + return FALSE; +} + +Bool +fbOverlayCloseScreen (int iScreen, ScreenPtr pScreen) +{ + FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pScreen); + int i; + + for (i = 0; i < pScrPriv->nlayers; i++) + { + (*pScreen->DestroyPixmap)(pScrPriv->layer[i].u.run.pixmap); + RegionUninit(&pScrPriv->layer[i].u.run.region); + } + return TRUE; +} + +/* + * Return layer containing this window + */ +int +fbOverlayWindowLayer(WindowPtr pWin) +{ + FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pWin->drawable.pScreen); + int i; + + for (i = 0; i < pScrPriv->nlayers; i++) + if (dixLookupPrivate(&pWin->devPrivates, fbGetWinPrivateKey()) == + (pointer) pScrPriv->layer[i].u.run.pixmap) + return i; + return 0; +} + +Bool +fbOverlayCreateScreenResources(ScreenPtr pScreen) +{ + int i; + FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pScreen); + PixmapPtr pPixmap; + pointer pbits; + int width; + int depth; + BoxRec box; + + if (!miCreateScreenResources(pScreen)) + return FALSE; + + box.x1 = 0; + box.y1 = 0; + box.x2 = pScreen->width; + box.y2 = pScreen->height; + for (i = 0; i < pScrPriv->nlayers; i++) + { + pbits = pScrPriv->layer[i].u.init.pbits; + width = pScrPriv->layer[i].u.init.width; + depth = pScrPriv->layer[i].u.init.depth; + pPixmap = (*pScreen->CreatePixmap)(pScreen, 0, 0, depth, 0); + if (!pPixmap) + return FALSE; + if (!(*pScreen->ModifyPixmapHeader)(pPixmap, pScreen->width, + pScreen->height, depth, + BitsPerPixel(depth), + PixmapBytePad(width, depth), + pbits)) + return FALSE; + pScrPriv->layer[i].u.run.pixmap = pPixmap; + RegionInit(&pScrPriv->layer[i].u.run.region, &box, 0); + } + pScreen->devPrivate = pScrPriv->layer[0].u.run.pixmap; + return TRUE; +} + +void +fbOverlayPaintKey (DrawablePtr pDrawable, + RegionPtr pRegion, + CARD32 pixel, + int layer) +{ + fbFillRegionSolid (pDrawable, pRegion, 0, + fbReplicatePixel (pixel, pDrawable->bitsPerPixel)); +} + +/* + * Track visible region for each layer + */ +void +fbOverlayUpdateLayerRegion (ScreenPtr pScreen, + int layer, + RegionPtr prgn) +{ + FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pScreen); + int i; + RegionRec rgnNew; + + if (!prgn || !RegionNotEmpty(prgn)) + return; + for (i = 0; i < pScrPriv->nlayers; i++) + { + if (i == layer) + { + /* add new piece to this fb */ + RegionUnion(&pScrPriv->layer[i].u.run.region, + &pScrPriv->layer[i].u.run.region, + prgn); + } + else if (RegionNotEmpty(&pScrPriv->layer[i].u.run.region)) + { + /* paint new piece with chroma key */ + RegionNull(&rgnNew); + RegionIntersect(&rgnNew, prgn, + &pScrPriv->layer[i].u.run.region); + (*pScrPriv->PaintKey) (&pScrPriv->layer[i].u.run.pixmap->drawable, + &rgnNew, + pScrPriv->layer[i].key, + i); + RegionUninit(&rgnNew); + /* remove piece from other fbs */ + RegionSubtract(&pScrPriv->layer[i].u.run.region, + &pScrPriv->layer[i].u.run.region, + prgn); + } + } +} + +/* + * Copy only areas in each layer containing real bits + */ +void +fbOverlayCopyWindow(WindowPtr pWin, + DDXPointRec ptOldOrg, + RegionPtr prgnSrc) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pScreen); + RegionRec rgnDst; + int dx, dy; + int i; + RegionRec layerRgn[FB_OVERLAY_MAX]; + PixmapPtr pPixmap; + + dx = ptOldOrg.x - pWin->drawable.x; + dy = ptOldOrg.y - pWin->drawable.y; + + /* + * Clip to existing bits + */ + RegionTranslate(prgnSrc, -dx, -dy); + RegionNull(&rgnDst); + RegionIntersect(&rgnDst, &pWin->borderClip, prgnSrc); + RegionTranslate(&rgnDst, dx, dy); + /* + * Compute the portion of each fb affected by this copy + */ + for (i = 0; i < pScrPriv->nlayers; i++) + { + RegionNull(&layerRgn[i]); + RegionIntersect(&layerRgn[i], &rgnDst, + &pScrPriv->layer[i].u.run.region); + if (RegionNotEmpty(&layerRgn[i])) + { + RegionTranslate(&layerRgn[i], -dx, -dy); + pPixmap = pScrPriv->layer[i].u.run.pixmap; + miCopyRegion (&pPixmap->drawable, &pPixmap->drawable, + 0, + &layerRgn[i], dx, dy, pScrPriv->CopyWindow, 0, + (void *)(long) i); + } + } + /* + * Update regions + */ + for (i = 0; i < pScrPriv->nlayers; i++) + { + if (RegionNotEmpty(&layerRgn[i])) + fbOverlayUpdateLayerRegion (pScreen, i, &layerRgn[i]); + + RegionUninit(&layerRgn[i]); + } + RegionUninit(&rgnDst); +} + +void +fbOverlayWindowExposures (WindowPtr pWin, + RegionPtr prgn, + RegionPtr other_exposed) +{ + fbOverlayUpdateLayerRegion (pWin->drawable.pScreen, + fbOverlayWindowLayer (pWin), + prgn); + miWindowExposures(pWin, prgn, other_exposed); +} + +Bool +fbOverlaySetupScreen(ScreenPtr pScreen, + pointer pbits1, + pointer pbits2, + int xsize, + int ysize, + int dpix, + int dpiy, + int width1, + int width2, + int bpp1, + int bpp2) +{ + return fbSetupScreen (pScreen, + pbits1, + xsize, + ysize, + dpix, + dpiy, + width1, + bpp1); +} + +static Bool +fb24_32OverlayCreateScreenResources(ScreenPtr pScreen) +{ + FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pScreen); + int pitch; + Bool retval; + int i; + + if((retval = fbOverlayCreateScreenResources(pScreen))) { + for (i = 0; i < pScrPriv->nlayers; i++) + { + /* fix the screen pixmap */ + PixmapPtr pPix = (PixmapPtr) pScrPriv->layer[i].u.run.pixmap; + if (pPix->drawable.bitsPerPixel == 32) { + pPix->drawable.bitsPerPixel = 24; + pitch = BitmapBytePad(pPix->drawable.width * 24); + pPix->devKind = pitch; + } + } + } + + return retval; +} + +Bool +fbOverlayFinishScreenInit(ScreenPtr pScreen, + pointer pbits1, + pointer pbits2, + int xsize, + int ysize, + int dpix, + int dpiy, + int width1, + int width2, + int bpp1, + int bpp2, + int depth1, + int depth2) +{ + VisualPtr visuals; + DepthPtr depths; + int nvisuals; + int ndepths; + int bpp = 0, imagebpp = 32; + VisualID defaultVisual; + FbOverlayScrPrivPtr pScrPriv; + + if (!dixRegisterPrivateKey(&fbOverlayScreenPrivateKeyRec, PRIVATE_SCREEN, 0)) + return FALSE; + + pScrPriv = malloc(sizeof (FbOverlayScrPrivRec)); + if (!pScrPriv) + return FALSE; + + if (bpp1 == 32 || bpp2 == 32) + bpp = 32; + else if (bpp1 == 24 || bpp2 == 24) + bpp = 24; + + if (bpp == 24) + { + int f; + + imagebpp = 32; + /* + * Check to see if we're advertising a 24bpp image format, + * in which case windows will use it in preference to a 32 bit + * format. + */ + for (f = 0; f < screenInfo.numPixmapFormats; f++) + { + if (screenInfo.formats[f].bitsPerPixel == 24) + { + imagebpp = 24; + break; + } + } + } + if (imagebpp == 32) + { + fbGetScreenPrivate(pScreen)->win32bpp = bpp; + fbGetScreenPrivate(pScreen)->pix32bpp = bpp; + } + else + { + fbGetScreenPrivate(pScreen)->win32bpp = 32; + fbGetScreenPrivate(pScreen)->pix32bpp = 32; + } + + if (!fbInitVisuals (&visuals, &depths, &nvisuals, &ndepths, &depth1, + &defaultVisual, ((unsigned long)1<<(bpp1-1)) | + ((unsigned long)1<<(bpp2-1)), 8)) + return FALSE; + if (! miScreenInit(pScreen, 0, xsize, ysize, dpix, dpiy, 0, + depth1, ndepths, depths, + defaultVisual, nvisuals, visuals)) + return FALSE; + /* MI thinks there's no frame buffer */ +#ifdef MITSHM + ShmRegisterFbFuncs(pScreen); +#endif + pScreen->minInstalledCmaps = 1; + pScreen->maxInstalledCmaps = 2; + + pScrPriv->nlayers = 2; + pScrPriv->PaintKey = fbOverlayPaintKey; + pScrPriv->CopyWindow = fbCopyWindowProc; + pScrPriv->layer[0].u.init.pbits = pbits1; + pScrPriv->layer[0].u.init.width = width1; + pScrPriv->layer[0].u.init.depth = depth1; + + pScrPriv->layer[1].u.init.pbits = pbits2; + pScrPriv->layer[1].u.init.width = width2; + pScrPriv->layer[1].u.init.depth = depth2; + dixSetPrivate(&pScreen->devPrivates, fbOverlayScreenPrivateKey, pScrPriv); + + /* overwrite miCloseScreen with our own */ + pScreen->CloseScreen = fbOverlayCloseScreen; + pScreen->CreateScreenResources = fbOverlayCreateScreenResources; + pScreen->CreateWindow = fbOverlayCreateWindow; + pScreen->WindowExposures = fbOverlayWindowExposures; + pScreen->CopyWindow = fbOverlayCopyWindow; + if (bpp == 24 && imagebpp == 32) + { + pScreen->ModifyPixmapHeader = fb24_32ModifyPixmapHeader; + pScreen->CreateScreenResources = fb24_32OverlayCreateScreenResources; + } + + return TRUE; +} |