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Diffstat (limited to 'xorg-server/miext/shadow/shadow.c')
-rw-r--r--xorg-server/miext/shadow/shadow.c498
1 files changed, 249 insertions, 249 deletions
diff --git a/xorg-server/miext/shadow/shadow.c b/xorg-server/miext/shadow/shadow.c
index 608ccd234..2dcee60b1 100644
--- a/xorg-server/miext/shadow/shadow.c
+++ b/xorg-server/miext/shadow/shadow.c
@@ -1,249 +1,249 @@
-/*
- * 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 int shadowScrPrivateKeyIndex;
-DevPrivateKey shadowScrPrivateKey = &shadowScrPrivateKeyIndex;
-
-#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 (REGION_NOTEMPTY(pScreen, 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
- REGION_UNINIT(pScreen, &pBuf->damage); /* bc */
-#endif
- if (pBuf->pPixmap)
- pScreen->DestroyPixmap(pBuf->pPixmap);
- xfree(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... */
- REGION_UNION(pScreen, &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.
- */
- REGION_COPY(pScreen, &pBuf->damage, pRegion);
-}
-#endif
-
-Bool
-shadowSetup(ScreenPtr pScreen)
-{
- shadowBufPtr pBuf;
-
- if (!DamageSetup(pScreen))
- return FALSE;
-
- pBuf = xalloc(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) {
- xfree(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
- REGION_NULL(pScreen, &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 int shadowScrPrivateKeyIndex;
+DevPrivateKey shadowScrPrivateKey = &shadowScrPrivateKeyIndex;
+
+#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 (REGION_NOTEMPTY(pScreen, 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
+ REGION_UNINIT(pScreen, &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... */
+ REGION_UNION(pScreen, &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.
+ */
+ REGION_COPY(pScreen, &pBuf->damage, pRegion);
+}
+#endif
+
+Bool
+shadowSetup(ScreenPtr pScreen)
+{
+ shadowBufPtr pBuf;
+
+ 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
+ REGION_NULL(pScreen, &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;
+}