shadowfb.h (1231B)
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 */