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#ifndef _SHADOWFB_H
#define _SHADOWFB_H
#include "xf86str.h"
/*
* User defined callback function. Passed a pointer to the ScrnInfo struct,
* the number of dirty rectangles, and a pointer to the first dirty rectangle
* in the array.
*/
typedef void (*RefreshAreaFuncPtr)(ScrnInfoPtr, int, BoxPtr);
/*
* ShadowFBInit initializes the shadowfb subsystem. refreshArea is a pointer
* to a user supplied callback function. This function will be called after
* any operation that modifies the framebuffer. The newly dirtied rectangles
* are passed to the callback.
*
* Returns FALSE in the event of an error.
*/
Bool
ShadowFBInit (
ScreenPtr pScreen,
RefreshAreaFuncPtr refreshArea
);
/*
* ShadowFBInit2 is a more featureful refinement of the original shadowfb.
* ShadowFBInit2 allows you to specify two callbacks, one to be called
* immediately before an operation that modifies the framebuffer, and another
* to be called immediately after.
*
* Returns FALSE in the event of an error
*/
Bool
ShadowFBInit2 (
ScreenPtr pScreen,
RefreshAreaFuncPtr preRefreshArea,
RefreshAreaFuncPtr postRefreshArea
);
#endif /* _SHADOWFB_H */
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