4c544b4e07
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@9480 a1c6a512-1295-4272-9138-f99709370657
156 lines
4.7 KiB
C
156 lines
4.7 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2006 Dan Everton
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "debug.h"
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#include "uisdl.h"
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#include "lcd-sdl.h"
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SDL_Surface* lcd_surface;
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int lcd_backlight_val;
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#if LCD_DEPTH <= 8
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SDL_Color lcd_color_zero = {UI_LCD_BGCOLOR, 0};
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SDL_Color lcd_backlight_color_zero = {UI_LCD_BGCOLORLIGHT, 0};
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SDL_Color lcd_color_max = {0, 0, 0, 0};
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#endif
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#if LCD_DEPTH < 8
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int lcd_ex_shades = 0;
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unsigned long (*lcd_ex_getpixel)(int, int) = NULL;
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#endif
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static unsigned long get_lcd_pixel(int x, int y)
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{
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#if LCD_DEPTH == 1
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return ((lcd_framebuffer[y/8][x] >> (y & 7)) & 1);
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#elif LCD_DEPTH == 2
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#if LCD_PIXELFORMAT == HORIZONTAL_PACKING
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return ((lcd_framebuffer[y][x/4] >> (2 * (~x & 3))) & 3);
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#else
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return ((lcd_framebuffer[y/4][x] >> (2 * (y & 3))) & 3);
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#endif
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#elif LCD_DEPTH == 16
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#if LCD_PIXELFORMAT == RGB565SWAPPED
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unsigned bits = lcd_framebuffer[y][x];
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return (bits >> 8) | (bits << 8);
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#else
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return lcd_framebuffer[y][x];
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#endif
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#endif
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}
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void lcd_update(void)
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{
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/* update a full screen rect */
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lcd_update_rect(0, 0, LCD_WIDTH, LCD_HEIGHT);
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}
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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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}
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#ifdef CONFIG_BACKLIGHT
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void sim_backlight(int value)
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{
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lcd_backlight_val = value;
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#if LCD_DEPTH <= 8
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if (value > 0) {
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sdl_set_gradient(lcd_surface, &lcd_backlight_color_zero,
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&lcd_color_max, 0, (1<<LCD_DEPTH));
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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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}
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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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sdl_set_gradient(lcd_surface, &lcd_color_max,
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&lcd_backlight_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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}
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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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#else
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DEBUGF("backlight: %s\n", (value > 0) ? "on" : "off");
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#endif
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}
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#endif
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/* initialise simulator lcd driver */
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void sim_lcd_init(void)
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{
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#if LCD_DEPTH == 16
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lcd_surface = SDL_CreateRGBSurface(SDL_SWSURFACE, LCD_WIDTH * display_zoom,
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LCD_HEIGHT * display_zoom, LCD_DEPTH, 0, 0, 0, 0);
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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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#endif
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#if LCD_DEPTH <= 8
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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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#endif
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}
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#if LCD_DEPTH < 8
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void sim_lcd_ex_init(int shades, unsigned long (*getpixel)(int, int))
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{
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lcd_ex_shades = shades;
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lcd_ex_getpixel = getpixel;
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if (shades) {
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#ifdef CONFIG_BACKLIGHT
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if (lcd_backlight_val > 0) {
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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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}
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else
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#endif
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{
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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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}
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}
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}
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void sim_lcd_ex_update_rect(int x_start, int y_start, int width, int height)
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{
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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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background? UI_LCD_POSY : 0);
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}
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}
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#endif
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