inline u32 gfxIncreaseBrightness(u32 color, int coeff)
inline void gfxIncreaseBrightness(u32 *line, int coeff)
inline u32 gfxIncreaseBrightness(u32 color, int coeff){  int r = (color & 0x1F);  int g = ((color >> 5) & 0x1F);  int b = ((color >> 10) & 0x1F);    r = r + (((31 - r) * coeff) >> 4);  g = g + (((31 - g) * coeff) >> 4);  b = b + (((31 - b) * coeff) >> 4);  if(r > 31)    r = 31;  if(g > 31)    g = 31;  if(b > 31)    b = 31;  color = (color & 0xFFFF0000) | (b << 10) | (g << 5) | r;  return color;}