forked from len0rd/rockbox
Sansa Clip Simulator: emulate the real screen at the price of some CPU (FS#9521)
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19347 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Rafaël Carré
parent
e3a970f4eb
commit
bba06cfd55
5 changed files with 179 additions and 33 deletions
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@ -24,15 +24,24 @@
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#include "lcd-sdl.h"
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SDL_Surface* lcd_surface;
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#ifdef UI_LCD_SPLIT
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SDL_Surface* lcd_real_surface; /* the surface which represents the real screen */
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#endif
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int lcd_backlight_val;
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#if LCD_DEPTH <= 8
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#ifdef HAVE_BACKLIGHT
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SDL_Color lcd_backlight_color_zero = {UI_LCD_BGCOLORLIGHT, 0};
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SDL_Color lcd_backlight_color_max = {UI_LCD_FGCOLORLIGHT, 0};
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#ifdef UI_LCD_SPLIT
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SDL_Color lcd_backlight_color_split= {UI_LCD_SPLIT_FGCOLORLIGHT, 0};
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#endif
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#endif
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SDL_Color lcd_color_zero = {UI_LCD_BGCOLOR, 0};
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SDL_Color lcd_color_max = {UI_LCD_FGCOLOR, 0};
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#ifdef UI_LCD_SPLIT
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SDL_Color lcd_color_split= {UI_LCD_SPLIT_FGCOLOR, 0};
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#endif
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#endif
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#if LCD_DEPTH < 8
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@ -73,8 +82,9 @@ void lcd_update_rect(int x_start, int y_start, int width, int height)
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{
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sdl_update_rect(lcd_surface, x_start, y_start, width, height, LCD_WIDTH,
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LCD_HEIGHT, get_lcd_pixel);
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sdl_gui_update(lcd_surface, x_start, y_start, width, height, LCD_WIDTH,
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LCD_HEIGHT, background ? UI_LCD_POSX : 0, background? UI_LCD_POSY : 0);
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sdl_gui_update(lcd_surface, IFSPLIT(lcd_real_surface,) x_start, y_start,
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width, height, LCD_WIDTH, LCD_HEIGHT,
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background ? UI_LCD_POSX : 0, background? UI_LCD_POSY : 0);
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}
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#ifdef HAVE_BACKLIGHT
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@ -84,27 +94,51 @@ void sim_backlight(int value)
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#if LCD_DEPTH <= 8
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if (value > 0) {
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#ifdef UI_LCD_SPLIT
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sdl_set_gradient(lcd_real_surface, &lcd_backlight_color_zero,
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&lcd_backlight_color_max, &lcd_backlight_color_zero,
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&lcd_backlight_color_split, 0, (1<<LCD_DEPTH));
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#else
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sdl_set_gradient(lcd_surface, &lcd_backlight_color_zero,
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&lcd_backlight_color_max, 0, (1<<LCD_DEPTH));
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&lcd_backlight_color_max, 0, (1<<LCD_DEPTH));
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#endif
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} else {
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sdl_set_gradient(lcd_surface, &lcd_color_zero, &lcd_color_max,
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0, (1<<LCD_DEPTH));
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#ifdef UI_LCD_SPLIT
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sdl_set_gradient(lcd_real_surface, &lcd_color_zero, &lcd_color_max,
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&lcd_color_zero, &lcd_color_split, 0, (1<<LCD_DEPTH));
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#else
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sdl_set_gradient(lcd_surface, &lcd_color_zero, &lcd_color_max, 0,
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(1<<LCD_DEPTH));
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#endif
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}
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#if LCD_DEPTH < 8
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if (lcd_ex_shades) {
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if (value > 0) {
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#ifdef UI_LCD_SPLIT
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sdl_set_gradient(lcd_real_surface, &lcd_backlight_color_max,
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&lcd_backlight_color_zero, &lcd_backlight_color_split,
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&lcd_backlight_color_zero,
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(1<<LCD_DEPTH), lcd_ex_shades);
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#else
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sdl_set_gradient(lcd_surface, &lcd_backlight_color_max,
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&lcd_backlight_color_zero, (1<<LCD_DEPTH),
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lcd_ex_shades);
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&lcd_backlight_color_zero, (1<<LCD_DEPTH), lcd_ex_shades);
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#endif
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} else {
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#ifdef UI_LCD_SPLIT
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sdl_set_gradient(lcd_real_surface, &lcd_color_max, &lcd_color_zero,
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&lcd_color_split, &lcd_color_zero, (1<<LCD_DEPTH),
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lcd_ex_shades);
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#else
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sdl_set_gradient(lcd_surface, &lcd_color_max, &lcd_color_zero,
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(1<<LCD_DEPTH), lcd_ex_shades);
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(1<<LCD_DEPTH), lcd_ex_shades);
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#endif
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}
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}
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#endif
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sdl_gui_update(lcd_surface, 0, 0, LCD_WIDTH, LCD_HEIGHT, LCD_WIDTH,
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LCD_HEIGHT, background ? UI_LCD_POSX : 0, background? UI_LCD_POSY : 0);
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sdl_gui_update(lcd_surface, IFSPLIT(lcd_real_surface,) 0, 0, LCD_WIDTH,
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LCD_HEIGHT, LCD_WIDTH, LCD_HEIGHT,
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background ? UI_LCD_POSX : 0, background? UI_LCD_POSY : 0);
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#endif
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}
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@ -119,15 +153,26 @@ void sim_lcd_init(void)
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#else
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lcd_surface = SDL_CreateRGBSurface(SDL_SWSURFACE, LCD_WIDTH * display_zoom,
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LCD_HEIGHT * display_zoom, 8, 0, 0, 0, 0);
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#ifdef UI_LCD_SPLIT
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lcd_real_surface = SDL_CreateRGBSurface(SDL_SWSURFACE,
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LCD_WIDTH * display_zoom,
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(LCD_HEIGHT+UI_LCD_SPLIT_BLACK_LINES) * display_zoom, 8, 0, 0, 0, 0);
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#endif
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#endif
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#if LCD_DEPTH <= 8
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#ifdef HAVE_BACKLIGHT
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sdl_set_gradient(lcd_surface, &lcd_backlight_color_zero, &lcd_color_max,
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0, (1<<LCD_DEPTH));
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#ifdef UI_LCD_SPLIT
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sdl_set_gradient(lcd_real_surface, &lcd_backlight_color_zero,
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&lcd_color_max, &lcd_backlight_color_zero,
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&lcd_color_split, 0, (1<<LCD_DEPTH));
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#else
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sdl_set_gradient(lcd_surface, &lcd_color_zero, &lcd_color_max, 0,
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(1<<LCD_DEPTH));
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sdl_set_gradient(lcd_surface, &lcd_backlight_color_zero, &lcd_color_max, 0,
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(1<<LCD_DEPTH));
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#endif
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#else
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sdl_set_gradient(lcd_surface, &lcd_color_zero, &lcd_color_max, 0,
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(1<<LCD_DEPTH));
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#endif
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#endif
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}
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@ -140,15 +185,25 @@ void sim_lcd_ex_init(int shades, unsigned long (*getpixel)(int, int))
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if (shades) {
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#ifdef HAVE_BACKLIGHT
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if (lcd_backlight_val > 0) {
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#ifdef UI_LCD_SPLIT
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sdl_set_gradient(lcd_real_surface, &lcd_color_max,
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&lcd_backlight_color_zero, &lcd_color_split,
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&lcd_backlight_color_zero, (1<<LCD_DEPTH), shades);
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#else
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sdl_set_gradient(lcd_surface, &lcd_color_max,
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&lcd_backlight_color_zero, (1<<LCD_DEPTH),
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shades);
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&lcd_backlight_color_zero, (1<<LCD_DEPTH), shades);
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#endif
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}
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else
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else
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#endif
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{
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#ifdef UI_LCD_SPLIT
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sdl_set_gradient(lcd_real_surface, &lcd_color_max, &lcd_color_zero,
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&lcd_color_split, &lcd_color_zero, (1<<LCD_DEPTH), shades);
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#else
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sdl_set_gradient(lcd_surface, &lcd_color_max, &lcd_color_zero,
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(1<<LCD_DEPTH), shades);
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(1<<LCD_DEPTH), shades);
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#endif
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}
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}
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}
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@ -158,8 +213,9 @@ void sim_lcd_ex_update_rect(int x_start, int y_start, int width, int height)
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if (lcd_ex_getpixel) {
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sdl_update_rect(lcd_surface, x_start, y_start, width, height,
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LCD_WIDTH, LCD_HEIGHT, lcd_ex_getpixel);
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sdl_gui_update(lcd_surface, x_start, y_start, width, height, LCD_WIDTH,
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LCD_HEIGHT, background ? UI_LCD_POSX : 0,
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sdl_gui_update(lcd_surface, IFSPLIT(lcd_real_surface,) x_start, y_start,
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width, height, LCD_WIDTH, LCD_HEIGHT,
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background ? UI_LCD_POSX : 0,
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background? UI_LCD_POSY : 0);
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}
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}
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@ -256,7 +312,7 @@ void lcd_blit_yuv(unsigned char * const src[3],
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*dst = LCD_RGBPACK_LCD(r >> 9, g >> 8, b >> 9);
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#if LCD_WIDTH >= LCD_HEIGHT
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dst++;
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dst++;
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#else
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dst += LCD_WIDTH;
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#endif
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@ -276,7 +332,7 @@ void lcd_blit_yuv(unsigned char * const src[3],
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*dst = LCD_RGBPACK_LCD(r >> 9, g >> 8, b >> 9);
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#if LCD_WIDTH >= LCD_HEIGHT
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dst++;
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dst++;
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#else
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dst += LCD_WIDTH;
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#endif
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@ -321,7 +377,7 @@ void lcd_blit_yuv(unsigned char * const src[3],
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*dst = LCD_RGBPACK_LCD(r >> 9, g >> 8, b >> 9);
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#if LCD_WIDTH >= LCD_HEIGHT
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dst++;
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dst++;
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#else
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dst += LCD_WIDTH;
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#endif
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@ -341,7 +397,7 @@ void lcd_blit_yuv(unsigned char * const src[3],
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*dst = LCD_RGBPACK_LCD(r >> 9, g >> 8, b >> 9);
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#if LCD_WIDTH >= LCD_HEIGHT
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dst++;
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dst++;
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#else
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dst += LCD_WIDTH;
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#endif
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