accel.h

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#ifndef __lib_gdi_accel_h
#define __lib_gdi_accel_h
 
#include <base/elock.h>
#include <list>
 
struct gUnmanagedSurface;
class eRect;
class ePoint;
 
class gAccel
{
public:
  static gAccel* getInstance() { return instance; }
  gAccel();
  ~gAccel();
 
  void releaseAccelMemorySpace();
  void setAccelMemorySpace(void *addr, int phys_addr, int size);
 
  bool hasAlphaBlendingSupport();
  int blit(gUnmanagedSurface *dst, gUnmanagedSurface *src, const eRect &p, const eRect &area, int flags);
  int fill(gUnmanagedSurface *dst, const eRect &area, unsigned long col);
  int accumulate();
  int sync();
 
  int accelAlloc(gUnmanagedSurface* surface);
  void accelFree(gUnmanagedSurface* surface);
 
  void dumpDebug();
private:
  struct MemoryBlock {
    gUnmanagedSurface *surface;
    int index;
    int size;
 
    MemoryBlock(gUnmanagedSurface *o, int i, int s):
      surface(o), index(i), size(s)
    {}
    MemoryBlock():
      surface(0), index(0), size(0)
    {}
  };
  typedef std::list<MemoryBlock> MemoryBlockList;
 
  eSingleLock m_allocation_lock;
  void *m_accel_addr;
  int m_accel_phys_addr;
  int m_accel_size; // in blocks
  MemoryBlockList m_accel_allocation;
  int m_bcm_accel_state;
 
  static gAccel *instance;
};
 
#endif