1 files changed, 128 insertions, 0 deletions
diff --git a/miext/damage/damage.h b/miext/damage/damage.h
new file mode 100644
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+++ b/miext/damage/damage.h
@@ -0,0 +1,128 @@
+/*
+ * Copyright © 2003 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
+
+#ifndef _DAMAGE_H_
+#define _DAMAGE_H_
+
+typedef struct _damage	*DamagePtr;
+
+typedef enum _damageReportLevel {
+    DamageReportRawRegion,
+    DamageReportDeltaRegion,
+    DamageReportBoundingBox,
+    DamageReportNonEmpty,
+    DamageReportNone
+} DamageReportLevel;
+
+typedef void (*DamageReportFunc) (DamagePtr pDamage, RegionPtr pRegion, void *closure);
+typedef void (*DamageDestroyFunc) (DamagePtr pDamage, void *closure);
+/* It's the responsibility of the driver to duplicate both regions. */
+/* At some point DamageRegionRendered() must be called. */
+typedef void (*DamageMarkerFunc) (DrawablePtr pDrawable, DamagePtr pDamage, RegionPtr pOldDamage, RegionPtr pRegion, void *closure);
+
+typedef void (*DamageScreenCreateFunc) (DamagePtr);
+typedef void (*DamageScreenRegisterFunc) (DrawablePtr, DamagePtr);
+typedef void (*DamageScreenUnregisterFunc) (DrawablePtr, DamagePtr);
+typedef void (*DamageScreenDestroyFunc) (DamagePtr);
+
+typedef struct _damageScreenFuncs {
+    DamageScreenCreateFunc      Create;
+    DamageScreenRegisterFunc    Register;
+    DamageScreenUnregisterFunc  Unregister;
+    DamageScreenDestroyFunc     Destroy;
+} DamageScreenFuncsRec, *DamageScreenFuncsPtr;
+
+extern _X_EXPORT void miDamageCreate (DamagePtr);
+extern _X_EXPORT void miDamageRegister (DrawablePtr, DamagePtr);
+extern _X_EXPORT void miDamageUnregister (DrawablePtr, DamagePtr);
+extern _X_EXPORT void miDamageDestroy (DamagePtr);
+
+extern _X_EXPORT Bool
+DamageSetup (ScreenPtr pScreen);
+    
+extern _X_EXPORT DamagePtr
+DamageCreate (DamageReportFunc  damageReport,
+	      DamageDestroyFunc	damageDestroy,
+	      DamageReportLevel damageLevel,
+	      Bool		isInternal,
+	      ScreenPtr		pScreen,
+	      void *		closure);
+
+extern _X_EXPORT void
+DamageDrawInternal (ScreenPtr pScreen, Bool enable);
+
+extern _X_EXPORT void
+DamageRegister (DrawablePtr	pDrawable,
+		DamagePtr	pDamage);
+
+extern _X_EXPORT void
+DamageUnregister (DrawablePtr	pDrawable,
+		  DamagePtr	pDamage);
+
+extern _X_EXPORT void
+DamageDestroy (DamagePtr pDamage);
+
+extern _X_EXPORT Bool
+DamageSubtract (DamagePtr	    pDamage,
+		const RegionPtr	    pRegion);
+
+extern _X_EXPORT void
+DamageEmpty (DamagePtr pDamage);
+
+extern _X_EXPORT RegionPtr
+DamageRegion (DamagePtr		    pDamage);
+
+extern _X_EXPORT RegionPtr
+DamagePendingRegion (DamagePtr	    pDamage);
+
+/* In case of rendering, call this before the submitting the commands. */
+extern _X_EXPORT void
+DamageRegionAppend (DrawablePtr pDrawable, RegionPtr pRegion);
+
+/* Call this directly after the rendering operation has been submitted. */
+extern _X_EXPORT void
+DamageRegionProcessPending (DrawablePtr pDrawable);
+
+/* Call this some time after rendering is done, only relevant when a damageMarker is provided. */
+extern _X_EXPORT void
+DamageRegionRendered (DrawablePtr pDrawable, DamagePtr pDamage, RegionPtr pOldDamage, RegionPtr pRegion);
+
+/* Avoid using this call, it only exists for API compatibility. */
+extern _X_EXPORT void
+DamageDamageRegion (DrawablePtr	    pDrawable,
+		    const RegionPtr pRegion);
+
+extern _X_EXPORT void
+DamageSetReportAfterOp (DamagePtr pDamage, Bool reportAfter);
+
+extern _X_EXPORT void
+DamageSetPostRenderingFunctions(DamagePtr pDamage, DamageReportFunc damageReportPostRendering,
+				DamageMarkerFunc damageMarker);
+
+extern _X_EXPORT DamageScreenFuncsPtr
+DamageGetScreenFuncs (ScreenPtr);
+
+#endif /* _DAMAGE_H_ */