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Diffstat (limited to 'hw/xfree86/shadowfb/shadowfb.h')
| -rw-r--r-- | hw/xfree86/shadowfb/shadowfb.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/hw/xfree86/shadowfb/shadowfb.h b/hw/xfree86/shadowfb/shadowfb.h new file mode 100644 index 000000000..d028980bd --- /dev/null +++ b/hw/xfree86/shadowfb/shadowfb.h @@ -0,0 +1,44 @@ +/* $XFree86: xc/programs/Xserver/hw/xfree86/shadowfb/shadowfb.h,v 1.4 2003/02/18 19:10:35 alanh Exp $ */ + +#ifndef _SHADOWFB_H +#define _SHADOWFB_H + +#include "xf86str.h" + +/* + * User defined callback function. Passed a pointer to the ScrnInfo struct, + * the number of dirty rectangles, and a pointer to the first dirty rectangle + * in the array. + */ +typedef void (*RefreshAreaFuncPtr)(ScrnInfoPtr, int, BoxPtr); + +/* + * ShadowFBInit initializes the shadowfb subsystem. refreshArea is a pointer + * to a user supplied callback function. This function will be called after + * any operation that modifies the framebuffer. The newly dirtied rectangles + * are passed to the callback. + * + * Returns FALSE in the event of an error. + */ +Bool +ShadowFBInit ( + ScreenPtr pScreen, + RefreshAreaFuncPtr refreshArea +); + +/* + * ShadowFBInit2 is a more featureful refinement of the original shadowfb. + * ShadowFBInit2 allows you to specify two callbacks, one to be called + * immediately before an operation that modifies the framebuffer, and another + * to be called immediately after. + * + * Returns FALSE in the event of an error + */ +Bool +ShadowFBInit2 ( + ScreenPtr pScreen, + RefreshAreaFuncPtr preRefreshArea, + RefreshAreaFuncPtr postRefreshArea +); + +#endif /* _SHADOWFB_H */ |