45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
/* $XFree86: xc/programs/Xserver/hw/xfree86/shadowfb/shadowfb.h,v 1.3 2002/10/16 22:12:54 alanh Exp $ */
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#ifndef _SHADOWFB_H
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#define _SHADOWFB_H
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#include "xf86str.h"
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/*
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* User defined callback function. Passed a pointer to the ScrnInfo struct,
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* the number of dirty rectangles, and a pointer to the first dirty rectangle
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* in the array.
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*/
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typedef void (*RefreshAreaFuncPtr)(ScrnInfoPtr, int, BoxPtr);
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/*
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* ShadowFBInit initializes the shadowfb subsystem. refreshArea is a pointer
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* to a user supplied callback function. This function will be called after
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* any operation that modifies the framebuffer. The newly dirtied rectangles
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* are passed to the callback.
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*
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* Returns FALSE in the event of an error.
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*/
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Bool
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ShadowFBInit (
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ScreenPtr pScreen,
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RefreshAreaFuncPtr refreshArea
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);
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/*
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* ShadowFBInit2 is a more featureful refinement of the original shadowfb.
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* ShadowFBInit2 allows you to specify two callbacks, one to be called
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* immediately before an operation that modifies the framebuffer, and another
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* to be called immediately after.
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*
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* Returns FALSE in the event of an error
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*/
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Bool
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ShadowFBInit2 (
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ScreenPtr pScreen,
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RefreshAreaFuncPtr preRefreshArea,
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RefreshAreaFuncPtr postRefreshArea
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);
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#endif /* _SHADOWFB_H */
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