shadow_rfx_dirty.h

 
#ifndef FREERDP_SERVER_SHADOW_RFX_DIRTY_H
#define FREERDP_SERVER_SHADOW_RFX_DIRTY_H
 
#include <winpr/wtypes.h>
 
#include <freerdp/api.h>
#include <freerdp/server/shadow.h>
 
#ifdef __cplusplus
extern "C"
{
#endif
 
  /* Return the list of tiles (RFX_RECT, surface absolute coordinates) below
   * cmd whose content differs from the last encoded snapshot. rects is
   * allocated here and freed by the caller. Returns 0 on success and <0 on
   * allocation failure (the caller should fall back to encoding the whole
   * frame or fail the frame). */
  WINPR_ATTR_NODISCARD
  int shadow_rfx_plan_tiles(rdpShadowEncoder* encoder, const BYTE* pSrcData, UINT32 nSrcStep,
                            const RDPGFX_SURFACE_COMMAND* cmd, UINT16 srcWidth, UINT16 srcHeight,
                            RFX_RECT** rects, UINT16* numRects);
 
  /* Call after a successful encode: copy the encoded tile pixels into the
   * snapshot, mark the tiles encoded and accumulate telemetry (one log line
   * every 120 frames). wireBytes is the size of the encoded RFX message. */
  void shadow_rfx_commit_tiles(rdpShadowEncoder* encoder, const BYTE* pSrcData, UINT32 nSrcStep,
                               const RFX_RECT* rects, UINT16 numRects, UINT32 wireBytes);
 
  /* Invalidate the snapshot (release buffers). Called from
   * shadow_encoder_uninit (reached by reset/free) and when the GFX surface
   * is reset (ResetGraphics / first frame). */
  void shadow_rfx_invalidate_snapshot(rdpShadowEncoder* encoder);
 
#ifdef __cplusplus
}
#endif
 
#endif /* FREERDP_SERVER_SHADOW_RFX_DIRTY_H */