diff options
Diffstat (limited to 'xorg-server/miext')
-rw-r--r-- | xorg-server/miext/shadow/shadow.c | 504 |
1 files changed, 252 insertions, 252 deletions
diff --git a/xorg-server/miext/shadow/shadow.c b/xorg-server/miext/shadow/shadow.c index 7bc1d9ca0..95f11cd21 100644 --- a/xorg-server/miext/shadow/shadow.c +++ b/xorg-server/miext/shadow/shadow.c @@ -1,252 +1,252 @@ -/*
- * Copyright © 2000 Keith Packard
- *
- * 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 Keith Packard not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. Keith Packard makes no
- * representations about the suitability of this software for any purpose. It
- * is provided "as is" without express or implied warranty.
- *
- * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL KEITH PACKARD 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.
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <stdlib.h>
-
-#include <X11/X.h>
-#include "scrnintstr.h"
-#include "windowstr.h"
-#include "dixfontstr.h"
-#include "mi.h"
-#include "regionstr.h"
-#include "globals.h"
-#include "gcstruct.h"
-#include "shadow.h"
-
-static DevPrivateKeyRec shadowScrPrivateKeyRec;
-#define shadowScrPrivateKey (&shadowScrPrivateKeyRec)
-
-#define wrap(priv, real, mem) {\
- priv->mem = real->mem; \
- real->mem = shadow##mem; \
-}
-
-#define unwrap(priv, real, mem) {\
- real->mem = priv->mem; \
-}
-
-static void
-shadowRedisplay(ScreenPtr pScreen)
-{
- shadowBuf(pScreen);
- RegionPtr pRegion;
-
- if (!pBuf || !pBuf->pDamage || !pBuf->update)
- return;
- pRegion = DamageRegion(pBuf->pDamage);
- if (RegionNotEmpty(pRegion)) {
- (*pBuf->update)(pScreen, pBuf);
- DamageEmpty(pBuf->pDamage);
- }
-}
-
-static void
-shadowBlockHandler(pointer data, OSTimePtr pTimeout, pointer pRead)
-{
- ScreenPtr pScreen = (ScreenPtr) data;
-
- shadowRedisplay(pScreen);
-}
-
-static void
-shadowWakeupHandler(pointer data, int i, pointer LastSelectMask)
-{
-}
-
-static void
-shadowGetImage(DrawablePtr pDrawable, int sx, int sy, int w, int h,
- unsigned int format, unsigned long planeMask, char *pdstLine)
-{
- ScreenPtr pScreen = pDrawable->pScreen;
- shadowBuf(pScreen);
-
- /* Many apps use GetImage to sync with the visable frame buffer */
- if (pDrawable->type == DRAWABLE_WINDOW)
- shadowRedisplay(pScreen);
- unwrap(pBuf, pScreen, GetImage);
- pScreen->GetImage(pDrawable, sx, sy, w, h, format, planeMask, pdstLine);
- wrap(pBuf, pScreen, GetImage);
-}
-
-#define BACKWARDS_COMPATIBILITY
-
-static Bool
-shadowCloseScreen(int i, ScreenPtr pScreen)
-{
- shadowBuf(pScreen);
-
- unwrap(pBuf, pScreen, GetImage);
- unwrap(pBuf, pScreen, CloseScreen);
- shadowRemove(pScreen, pBuf->pPixmap);
- DamageDestroy(pBuf->pDamage);
-#ifdef BACKWARDS_COMPATIBILITY
- RegionUninit(&pBuf->damage); /* bc */
-#endif
- if (pBuf->pPixmap)
- pScreen->DestroyPixmap(pBuf->pPixmap);
- free(pBuf);
- return pScreen->CloseScreen(i, pScreen);
-}
-
-#ifdef BACKWARDS_COMPATIBILITY
-static void
-shadowReportFunc(DamagePtr pDamage, RegionPtr pRegion, void *closure)
-{
- ScreenPtr pScreen = closure;
- shadowBufPtr pBuf = (shadowBufPtr)
- dixLookupPrivate(&pScreen->devPrivates, shadowScrPrivateKey);
-
- /* Register the damaged region, use DamageReportNone below when we
- * want to break BC below... */
- RegionUnion(&pDamage->damage, &pDamage->damage, pRegion);
-
- /*
- * BC hack. In 7.0 and earlier several drivers would inspect the
- * 'damage' member directly, so we have to keep it existing.
- */
- RegionCopy(&pBuf->damage, pRegion);
-}
-#endif
-
-Bool
-shadowSetup(ScreenPtr pScreen)
-{
- shadowBufPtr pBuf;
-
- if (!dixRegisterPrivateKey(&shadowScrPrivateKeyRec, PRIVATE_SCREEN, 0))
- return FALSE;
-
- if (!DamageSetup(pScreen))
- return FALSE;
-
- pBuf = malloc(sizeof(shadowBufRec));
- if (!pBuf)
- return FALSE;
-#ifdef BACKWARDS_COMPATIBILITY
- pBuf->pDamage = DamageCreate((DamageReportFunc)shadowReportFunc,
- (DamageDestroyFunc)NULL,
- DamageReportRawRegion,
- TRUE, pScreen, pScreen);
-#else
- pBuf->pDamage = DamageCreate((DamageReportFunc)NULL,
- (DamageDestroyFunc)NULL,
- DamageReportNone,
- TRUE, pScreen, pScreen);
-#endif
- if (!pBuf->pDamage) {
- free(pBuf);
- return FALSE;
- }
-
- wrap(pBuf, pScreen, CloseScreen);
- wrap(pBuf, pScreen, GetImage);
- pBuf->update = 0;
- pBuf->window = 0;
- pBuf->pPixmap = 0;
- pBuf->closure = 0;
- pBuf->randr = 0;
-#ifdef BACKWARDS_COMPATIBILITY
- RegionNull(&pBuf->damage); /* bc */
-#endif
-
- dixSetPrivate(&pScreen->devPrivates, shadowScrPrivateKey, pBuf);
- return TRUE;
-}
-
-Bool
-shadowAdd(ScreenPtr pScreen, PixmapPtr pPixmap, ShadowUpdateProc update,
- ShadowWindowProc window, int randr, void *closure)
-{
- shadowBuf(pScreen);
-
- if (!RegisterBlockAndWakeupHandlers(shadowBlockHandler, shadowWakeupHandler,
- (pointer)pScreen))
- return FALSE;
-
- /*
- * Map simple rotation values to bitmasks; fortunately,
- * these are all unique
- */
- switch (randr) {
- case 0:
- randr = SHADOW_ROTATE_0;
- break;
- case 90:
- randr = SHADOW_ROTATE_90;
- break;
- case 180:
- randr = SHADOW_ROTATE_180;
- break;
- case 270:
- randr = SHADOW_ROTATE_270;
- break;
- }
- pBuf->update = update;
- pBuf->window = window;
- pBuf->randr = randr;
- pBuf->closure = closure;
- pBuf->pPixmap = pPixmap;
- DamageRegister(&pPixmap->drawable, pBuf->pDamage);
- return TRUE;
-}
-
-void
-shadowRemove(ScreenPtr pScreen, PixmapPtr pPixmap)
-{
- shadowBuf(pScreen);
-
- if (pBuf->pPixmap) {
- DamageUnregister(&pBuf->pPixmap->drawable, pBuf->pDamage);
- pBuf->update = 0;
- pBuf->window = 0;
- pBuf->randr = 0;
- pBuf->closure = 0;
- pBuf->pPixmap = 0;
- }
-
- RemoveBlockAndWakeupHandlers(shadowBlockHandler, shadowWakeupHandler,
- (pointer) pScreen);
-}
-
-Bool
-shadowInit(ScreenPtr pScreen, ShadowUpdateProc update, ShadowWindowProc window)
-{
- PixmapPtr pPixmap;
-
- pPixmap = pScreen->CreatePixmap(pScreen, pScreen->width, pScreen->height,
- pScreen->rootDepth, 0);
- if (!pPixmap)
- return FALSE;
-
- if (!shadowSetup(pScreen)) {
- pScreen->DestroyPixmap(pPixmap);
- return FALSE;
- }
-
- shadowAdd(pScreen, pPixmap, update, window, SHADOW_ROTATE_0, 0);
-
- return TRUE;
-}
+/* + * Copyright © 2000 Keith Packard + * + * 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 Keith Packard not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Keith Packard makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL KEITH PACKARD 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. + */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <stdlib.h> + +#include <X11/X.h> +#include "scrnintstr.h" +#include "windowstr.h" +#include "dixfontstr.h" +#include "mi.h" +#include "regionstr.h" +#include "globals.h" +#include "gcstruct.h" +#include "shadow.h" + +static DevPrivateKeyRec shadowScrPrivateKeyRec; +#define shadowScrPrivateKey (&shadowScrPrivateKeyRec) + +#define wrap(priv, real, mem) {\ + priv->mem = real->mem; \ + real->mem = shadow##mem; \ +} + +#define unwrap(priv, real, mem) {\ + real->mem = priv->mem; \ +} + +static void +shadowRedisplay(ScreenPtr pScreen) +{ + shadowBuf(pScreen); + RegionPtr pRegion; + + if (!pBuf || !pBuf->pDamage || !pBuf->update) + return; + pRegion = DamageRegion(pBuf->pDamage); + if (RegionNotEmpty(pRegion)) { + (*pBuf->update)(pScreen, pBuf); + DamageEmpty(pBuf->pDamage); + } +} + +static void +shadowBlockHandler(pointer data, OSTimePtr pTimeout, pointer pRead) +{ + ScreenPtr pScreen = (ScreenPtr) data; + + shadowRedisplay(pScreen); +} + +static void +shadowWakeupHandler(pointer data, int i, pointer LastSelectMask) +{ +} + +static void +shadowGetImage(DrawablePtr pDrawable, int sx, int sy, int w, int h, + unsigned int format, unsigned long planeMask, char *pdstLine) +{ + ScreenPtr pScreen = pDrawable->pScreen; + shadowBuf(pScreen); + + /* Many apps use GetImage to sync with the visable frame buffer */ + if (pDrawable->type == DRAWABLE_WINDOW) + shadowRedisplay(pScreen); + unwrap(pBuf, pScreen, GetImage); + pScreen->GetImage(pDrawable, sx, sy, w, h, format, planeMask, pdstLine); + wrap(pBuf, pScreen, GetImage); +} + +#define BACKWARDS_COMPATIBILITY + +static Bool +shadowCloseScreen(int i, ScreenPtr pScreen) +{ + shadowBuf(pScreen); + + unwrap(pBuf, pScreen, GetImage); + unwrap(pBuf, pScreen, CloseScreen); + shadowRemove(pScreen, pBuf->pPixmap); + DamageDestroy(pBuf->pDamage); +#ifdef BACKWARDS_COMPATIBILITY + RegionUninit(&pBuf->damage); /* bc */ +#endif + if (pBuf->pPixmap) + pScreen->DestroyPixmap(pBuf->pPixmap); + free(pBuf); + return pScreen->CloseScreen(i, pScreen); +} + +#ifdef BACKWARDS_COMPATIBILITY +static void +shadowReportFunc(DamagePtr pDamage, RegionPtr pRegion, void *closure) +{ + ScreenPtr pScreen = closure; + shadowBufPtr pBuf = (shadowBufPtr) + dixLookupPrivate(&pScreen->devPrivates, shadowScrPrivateKey); + + /* Register the damaged region, use DamageReportNone below when we + * want to break BC below... */ + RegionUnion(&pDamage->damage, &pDamage->damage, pRegion); + + /* + * BC hack. In 7.0 and earlier several drivers would inspect the + * 'damage' member directly, so we have to keep it existing. + */ + RegionCopy(&pBuf->damage, pRegion); +} +#endif + +Bool +shadowSetup(ScreenPtr pScreen) +{ + shadowBufPtr pBuf; + + if (!dixRegisterPrivateKey(&shadowScrPrivateKeyRec, PRIVATE_SCREEN, 0)) + return FALSE; + + if (!DamageSetup(pScreen)) + return FALSE; + + pBuf = malloc(sizeof(shadowBufRec)); + if (!pBuf) + return FALSE; +#ifdef BACKWARDS_COMPATIBILITY + pBuf->pDamage = DamageCreate((DamageReportFunc)shadowReportFunc, + (DamageDestroyFunc)NULL, + DamageReportRawRegion, + TRUE, pScreen, pScreen); +#else + pBuf->pDamage = DamageCreate((DamageReportFunc)NULL, + (DamageDestroyFunc)NULL, + DamageReportNone, + TRUE, pScreen, pScreen); +#endif + if (!pBuf->pDamage) { + free(pBuf); + return FALSE; + } + + wrap(pBuf, pScreen, CloseScreen); + wrap(pBuf, pScreen, GetImage); + pBuf->update = 0; + pBuf->window = 0; + pBuf->pPixmap = 0; + pBuf->closure = 0; + pBuf->randr = 0; +#ifdef BACKWARDS_COMPATIBILITY + RegionNull(&pBuf->damage); /* bc */ +#endif + + dixSetPrivate(&pScreen->devPrivates, shadowScrPrivateKey, pBuf); + return TRUE; +} + +Bool +shadowAdd(ScreenPtr pScreen, PixmapPtr pPixmap, ShadowUpdateProc update, + ShadowWindowProc window, int randr, void *closure) +{ + shadowBuf(pScreen); + + if (!RegisterBlockAndWakeupHandlers(shadowBlockHandler, shadowWakeupHandler, + (pointer)pScreen)) + return FALSE; + + /* + * Map simple rotation values to bitmasks; fortunately, + * these are all unique + */ + switch (randr) { + case 0: + randr = SHADOW_ROTATE_0; + break; + case 90: + randr = SHADOW_ROTATE_90; + break; + case 180: + randr = SHADOW_ROTATE_180; + break; + case 270: + randr = SHADOW_ROTATE_270; + break; + } + pBuf->update = update; + pBuf->window = window; + pBuf->randr = randr; + pBuf->closure = closure; + pBuf->pPixmap = pPixmap; + DamageRegister(&pPixmap->drawable, pBuf->pDamage); + return TRUE; +} + +void +shadowRemove(ScreenPtr pScreen, PixmapPtr pPixmap) +{ + shadowBuf(pScreen); + + if (pBuf->pPixmap) { + DamageUnregister(&pBuf->pPixmap->drawable, pBuf->pDamage); + pBuf->update = 0; + pBuf->window = 0; + pBuf->randr = 0; + pBuf->closure = 0; + pBuf->pPixmap = 0; + } + + RemoveBlockAndWakeupHandlers(shadowBlockHandler, shadowWakeupHandler, + (pointer) pScreen); +} + +Bool +shadowInit(ScreenPtr pScreen, ShadowUpdateProc update, ShadowWindowProc window) +{ + PixmapPtr pPixmap; + + pPixmap = pScreen->CreatePixmap(pScreen, pScreen->width, pScreen->height, + pScreen->rootDepth, 0); + if (!pPixmap) + return FALSE; + + if (!shadowSetup(pScreen)) { + pScreen->DestroyPixmap(pPixmap); + return FALSE; + } + + shadowAdd(pScreen, pPixmap, update, window, SHADOW_ROTATE_0, 0); + + return TRUE; +} |