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#ifndef __UC_OVERLAY_H__
#define __UC_OVERLAY_H__
#define UC_OVL_CAPS (DLCAPS_SURFACE | DLCAPS_OPACITY | DLCAPS_SCREEN_LOCATION \
| DLCAPS_DEINTERLACING | DLCAPS_BRIGHTNESS | DLCAPS_CONTRAST \
| DLCAPS_SATURATION | DLCAPS_HUE)
#define UC_OVL_OPTIONS (DLOP_DEINTERLACING)
#define ALIGN_TO(v, n) (((v) + (n-1)) & ~(n-1))
#define UC_MAP_V1_FIFO_CONTROL(depth, pre_thr, thr) \
(((depth)-1) | ((thr) << 8) | ((pre_thr) << 24))
// Actions for uc_ovl_update()
#define UC_OVL_FLIP 1
#define UC_OVL_CHANGE 2
#define UC_OVL_FIELD 4
/** Overlay layer data. */
struct uc_ovl_vinfo {
bool isenabled; // True when visible
DFBRectangle win; // Layer screen rectangle.
DFBDisplayLayerConfig cfg; // Layer configuration
int ox, oy; // Top-left visible corner (the offset)
// in the source surface
u8 opacity; // Layer opacity
int level; // Position in the DirectFB layer stack
// < 0 = underlay mode, > 0 = overlay mode
DFBColorAdjustment adj; // Color adjustment (brightness etc)
};
typedef struct _UcOverlayData {
// TODO: initialize the variables!!!
u8 hwrev; // CLE266 revision
int scrwidth; // Current screen width
bool extfifo_on; // True when we're using the extended fifo.
u8 mclk_save[3];
struct uc_ovl_vinfo v1; // Video overlay V1
bool deinterlace;
int field;
CoreSurface *surface;
CoreSurfaceBufferLock *lock;
} UcOverlayData;
// Video engine - mapping functions (uc_ovl_hwmap.c)
bool uc_ovl_map_vzoom(int sh, int dh, u32* zoom, u32* mini);
bool uc_ovl_map_hzoom(int sw, int dw, u32* zoom, u32* mini,
u32* falign, u32* dcount);
u32 uc_ovl_map_qwpitch(int falign, DFBSurfacePixelFormat format, int sw);
u32 uc_ovl_map_format(DFBSurfacePixelFormat format);
void uc_ovl_map_window(int scrw, int scrh, DFBRectangle* win, int sw, int sh,
u32* win_start, u32* win_end, int* ox, int* oy);
void uc_ovl_map_buffer(DFBSurfacePixelFormat format, u32 buf,
int x, int y, int w, int h, int pitch, int field,
u32* y_start, u32* u_start, u32* v_start);
u32 uc_ovl_map_alpha(int opacity);
void uc_ovl_map_v1_control(DFBSurfacePixelFormat format, int sw,
int hwrev, bool extfifo_on,
u32* control, u32* fifo);
u32 uc_ovl_map_fifo(u8 depth, u8 pre_thr, u8 thr);
void uc_ovl_map_adjustment(DFBColorAdjustment* adj, u32* a1, u32* a2);
// Video engine - setting functions (uc_ovl_hwset.c)
void uc_ovl_setup_fifo(UcOverlayData* ucovl, int scrwidth);
void uc_ovl_vcmd_wait(volatile u8* vio);
DFBResult uc_ovl_update(UcDriverData* ucdrv,
UcOverlayData* ucovl, int action,
CoreSurface* surface,
CoreSurfaceBufferLock* lock);
DFBResult uc_ovl_set_adjustment(CoreLayer *layer,
void *driver_data,
void *layer_data,
DFBColorAdjustment *adj);
#endif // __UC_OVERLAY_H__
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