| 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 */ |