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More compact screendump routines for core and greylib. The core routine might be a little slower for vertically packed mono and greyscale displays, the greylib one should be faster in all cases. * Reduce stack usage of greyscale screendump on the Clip* Rename a macro in the bitmap LCD simulation.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19959 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jens Arnold 2009-02-09 23:34:44 +00:00
parent a12c2d59ad
commit 309a3c4590
3 changed files with 177 additions and 199 deletions
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24
uisimulator/sdl/lcd-bitmap.c
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@ -59,9 +59,9 @@ SDL_Color lcd_color2_bright = {RED_CMP(LCD_BRIGHTCOLOR_2),
#endif
#ifdef HAVE_LCD_SPLIT
#define GRADIENT_MAX 127
#define NUM_SHADES 128
#else
#define GRADIENT_MAX 128
#define NUM_SHADES 129
#endif
#endif /* LCD_DEPTH <= 8 */
@ -78,9 +78,9 @@ static unsigned long get_lcd_pixel(int x, int y)
{
#if LCD_DEPTH == 1
#ifdef HAVE_NEGATIVE_LCD
return (lcd_framebuffer[y/8][x] & (1 << (y & 7))) ? GRADIENT_MAX : 0;
return (lcd_framebuffer[y/8][x] & (1 << (y & 7))) ? (NUM_SHADES-1) : 0;
#else
return (lcd_framebuffer[y/8][x] & (1 << (y & 7))) ? 0 : GRADIENT_MAX;
return (lcd_framebuffer[y/8][x] & (1 << (y & 7))) ? 0 : (NUM_SHADES-1);
#endif
#elif LCD_DEPTH == 2
#if LCD_PIXELFORMAT == HORIZONTAL_PACKING
@ -122,17 +122,17 @@ void sim_backlight(int value)
#if LCD_DEPTH <= 8
if (value > 0) {
sdl_set_gradient(lcd_surface, &lcd_bl_color_dark,
&lcd_bl_color_bright, 0, GRADIENT_MAX+1);
&lcd_bl_color_bright, 0, NUM_SHADES);
#ifdef HAVE_LCD_SPLIT
sdl_set_gradient(lcd_surface, &lcd_bl_color2_dark,
&lcd_bl_color2_bright, GRADIENT_MAX+1, GRADIENT_MAX+1);
&lcd_bl_color2_bright, NUM_SHADES, NUM_SHADES);
#endif
} else {
sdl_set_gradient(lcd_surface, &lcd_color_dark,
&lcd_color_bright, 0, GRADIENT_MAX+1);
&lcd_color_bright, 0, NUM_SHADES);
#ifdef HAVE_LCD_SPLIT
sdl_set_gradient(lcd_surface, &lcd_color2_dark,
&lcd_color2_bright, GRADIENT_MAX+1, GRADIENT_MAX+1);
&lcd_color2_bright, NUM_SHADES, NUM_SHADES);
#endif
}
sdl_gui_update(lcd_surface, 0, 0, SIM_LCD_WIDTH, SIM_LCD_HEIGHT,
@ -162,17 +162,17 @@ void sim_lcd_init(void)
#if LCD_DEPTH <= 8
#ifdef HAVE_BACKLIGHT
sdl_set_gradient(lcd_surface, &lcd_bl_color_dark,
&lcd_bl_color_bright, 0, GRADIENT_MAX+1);
&lcd_bl_color_bright, 0, NUM_SHADES);
#ifdef HAVE_LCD_SPLIT
sdl_set_gradient(lcd_surface, &lcd_bl_color2_dark,
&lcd_bl_color2_bright, GRADIENT_MAX+1, GRADIENT_MAX+1);
&lcd_bl_color2_bright, NUM_SHADES, NUM_SHADES);
#endif
#else /* !HAVE_BACKLIGHT */
sdl_set_gradient(lcd_surface, &lcd_color_dark,
&lcd_color_bright, 0, GRADIENT_MAX+1);
&lcd_color_bright, 0, NUM_SHADES);
#ifdef HAVE_LCD_SPLIT
sdl_set_gradient(lcd_surface, &lcd_color2_dark,
&lcd_color2_bright, GRADIENT_MAX+1, GRADIENT_MAX+1);
&lcd_color2_bright, NUM_SHADES, NUM_SHADES);
#endif
#endif /* !HAVE_BACKLIGHT */
#endif /* LCD_DEPTH < 8 */