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a09e091a JB |
1 | |
2 | #ifndef _SHADOWFB_H | |
3 | #define _SHADOWFB_H | |
4 | ||
5 | #include "xf86str.h" | |
6 | ||
7 | /* | |
8 | * User defined callback function. Passed a pointer to the ScrnInfo struct, | |
9 | * the number of dirty rectangles, and a pointer to the first dirty rectangle | |
10 | * in the array. | |
11 | */ | |
12 | typedef void (*RefreshAreaFuncPtr) (ScrnInfoPtr, int, BoxPtr); | |
13 | ||
14 | /* | |
15 | * ShadowFBInit initializes the shadowfb subsystem. refreshArea is a pointer | |
16 | * to a user supplied callback function. This function will be called after | |
17 | * any operation that modifies the framebuffer. The newly dirtied rectangles | |
18 | * are passed to the callback. | |
19 | * | |
20 | * Returns FALSE in the event of an error. | |
21 | */ | |
22 | extern _X_EXPORT Bool | |
23 | ShadowFBInit(ScreenPtr pScreen, RefreshAreaFuncPtr refreshArea); | |
24 | ||
25 | /* | |
26 | * ShadowFBInit2 is a more featureful refinement of the original shadowfb. | |
27 | * ShadowFBInit2 allows you to specify two callbacks, one to be called | |
28 | * immediately before an operation that modifies the framebuffer, and another | |
29 | * to be called immediately after. | |
30 | * | |
31 | * Returns FALSE in the event of an error | |
32 | */ | |
33 | extern _X_EXPORT Bool | |
34 | ||
35 | ShadowFBInit2(ScreenPtr pScreen, | |
36 | RefreshAreaFuncPtr preRefreshArea, | |
37 | RefreshAreaFuncPtr postRefreshArea); | |
38 | ||
39 | #endif /* _SHADOWFB_H */ |