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- --- a/drv_generic_graphic.c
- +++ b/drv_generic_graphic.c
- @@ -24,7 +24,7 @@
- *
- */
-
- -/*
- +/*
- *
- * exported functions:
- *
- @@ -98,6 +98,9 @@ static int INVERTED = 0;
- /* must be implemented by the real driver */
- void (*drv_generic_graphic_real_blit) () = NULL;
-
- +/* can be implemented by the real driver */
- +void (*drv_generic_graphic_real_clear) () = NULL;
- +
-
- /****************************************/
- /*** generic Framebuffer stuff ***/
- @@ -691,7 +694,10 @@ int drv_generic_graphic_clear(void)
- for (i = 0; i < LCOLS * LROWS; i++)
- drv_generic_graphic_FB[l][i] = NO_COL;
-
- - drv_generic_graphic_blit(0, 0, LROWS, LCOLS);
- + if (drv_generic_graphic_real_clear)
- + drv_generic_graphic_real_clear(NO_COL);
- + else
- + drv_generic_graphic_blit(0, 0, LROWS, LCOLS);
-
- return 0;
- }
- --- a/drv_generic_graphic.h
- +++ b/drv_generic_graphic.h
- @@ -40,6 +40,9 @@ extern RGBA NO_COL; /* no color (comple
- /* these functions must be implemented by the real driver */
- extern void (*drv_generic_graphic_real_blit) (const int row, const int col, const int height, const int width);
-
- +/* these functions can be implemented by the real driver */
- +void (*drv_generic_graphic_real_clear) (const RGBA rgba);
- +
- /* helper function to get pixel color or gray value */
- extern RGBA drv_generic_graphic_rgb(const int row, const int col);
- extern unsigned char drv_generic_graphic_gray(const int row, const int col);
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