alpha.h

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#ifndef __ALPHA_H__
#define __ALPHA_H__
 
#include <stdint.h>
 
extern void glass_precompute_blur(uint32_t* out_blur,
                                  uint32_t* tmp,
                                  const uint32_t* canvas,
                                  int canvas_w,
                                  int canvas_h,
                                  int rx,
                                  int ry,
                                  int rw,
                                  int rh,
                                  int radius);
extern void __pixel_blend_neon(uint32_t* dst, const uint32_t* src, int width);
 
extern void _blend_scanline_glass_neon(uint32_t* canvas_row,
                                       const uint32_t* win_row,
                                       const uint32_t* blur_row,
                                       int width);
 
extern void _shadow_blur_horizontal(uint32_t* dst, const uint32_t* src, int w, int h, int radius);
extern void _shadow_blur_vertical(uint32_t* dst, const uint32_t* src, int w, int h, int radius);
 
extern void _shadow_compose_neon(uint32_t* canv,
                                 int canvas_w,
                                 int canvas_h,
                                 const uint32_t* shadow_buf,
                                 int shadow_w,
                                 int shadow_h,
                                 int win_x,
                                 int win_y);
 
extern void _apply_rounded_corner(uint32_t* backbuff, int radius, int winw, int winh);
 
#endif