xserver mesa git update 4 July 2011

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;
+}