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| 1 | /* $XFree86: xc/programs/Xserver/hw/xfree86/shadowfb/shadowfb.h,v 1.3 2002/10/16 22:12:54 alanh Exp $ */
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| 2 |
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| 3 | #ifndef _SHADOWFB_H
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| 4 | #define _SHADOWFB_H
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| 5 |
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| 6 | #include "xf86str.h"
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| 7 |
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| 8 | /*
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| 9 | * User defined callback function. Passed a pointer to the ScrnInfo struct,
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| 10 | * the number of dirty rectangles, and a pointer to the first dirty rectangle
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| 11 | * in the array.
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| 12 | */
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| 13 | typedef void (*RefreshAreaFuncPtr)(ScrnInfoPtr, int, BoxPtr);
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| 14 |
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| 15 | /*
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| 16 | * ShadowFBInit initializes the shadowfb subsystem. refreshArea is a pointer
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| 17 | * to a user supplied callback function. This function will be called after
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| 18 | * any operation that modifies the framebuffer. The newly dirtied rectangles
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| 19 | * are passed to the callback.
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| 20 | *
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| 21 | * Returns FALSE in the event of an error.
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| 22 | */
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| 23 | Bool
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| 24 | ShadowFBInit (
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| 25 | ScreenPtr pScreen,
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| 26 | RefreshAreaFuncPtr refreshArea
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| 27 | );
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| 28 |
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| 29 | /*
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| 30 | * ShadowFBInit2 is a more featureful refinement of the original shadowfb.
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| 31 | * ShadowFBInit2 allows you to specify two callbacks, one to be called
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| 32 | * immediately before an operation that modifies the framebuffer, and another
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| 33 | * to be called immediately after.
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| 34 | *
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| 35 | * Returns FALSE in the event of an error
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| 36 | */
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| 37 | Bool
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| 38 | ShadowFBInit2 (
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| 39 | ScreenPtr pScreen,
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| 40 | RefreshAreaFuncPtr preRefreshArea,
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| 41 | RefreshAreaFuncPtr postRefreshArea
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| 42 | );
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| 43 |
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| 44 | #endif /* _SHADOWFB_H */
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