utils/lcd4linux/patches/171-allow-to-specify-drv_generic_graphic_real_clear.patch

   1 --- a/drv_generic_graphic.c
   2 +++ b/drv_generic_graphic.c
   3 @@ -24,7 +24,7 @@
   4   *
   5   */
   6
   7 -/*
   8 +/*
   9   *
  10   * exported functions:
  11   *
  12 @@ -98,6 +98,9 @@ static int INVERTED = 0;
  13  /* must be implemented by the real driver */
  14  void (*drv_generic_graphic_real_blit) () = NULL;
  15
  16 +/* can be implemented by the real driver */
  17 +void (*drv_generic_graphic_real_clear) () = NULL;
  18 +
  19
  20  /****************************************/
  21  /*** generic Framebuffer stuff        ***/
  22 @@ -691,7 +694,10 @@ int drv_generic_graphic_clear(void)
  23         for (i = 0; i < LCOLS * LROWS; i++)
  24             drv_generic_graphic_FB[l][i] = NO_COL;
  25
  26 -    drv_generic_graphic_blit(0, 0, LROWS, LCOLS);
  27 +    if (drv_generic_graphic_real_clear)
  28 +       drv_generic_graphic_real_clear(NO_COL);
  29 +    else
  30 +       drv_generic_graphic_blit(0, 0, LROWS, LCOLS);
  31
  32      return 0;
  33  }
  34 --- a/drv_generic_graphic.h
  35 +++ b/drv_generic_graphic.h
  36 @@ -40,6 +40,9 @@ extern RGBA NO_COL;           /* no color (comple
  37  /* these functions must be implemented by the real driver */
  38  extern void (*drv_generic_graphic_real_blit) (const int row, const int col, const int height, const int width);
  39
  40 +/* these functions can be implemented by the real driver */
  41 +void (*drv_generic_graphic_real_clear) (const RGBA rgba);
  42 +
  43  /* helper function to get pixel color or gray value */
  44  extern RGBA drv_generic_graphic_rgb(const int row, const int col);
  45  extern unsigned char drv_generic_graphic_gray(const int row, const int col);