80 lines
2.4 KiB
C
80 lines
2.4 KiB
C
|
/***************************************************************************
|
||
|
|
* __________ __ ___.
|
||
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
||
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
||
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
||
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
||
|
|
* \/ \/ \/ \/ \/
|
||
|
|
* $Id$
|
||
|
|
*
|
||
|
|
* Copyright (C) 2006 Dan Everton
|
||
|
|
*
|
||
|
|
* All files in this archive are subject to the GNU General Public License.
|
||
|
|
* See the file COPYING in the source tree root for full license agreement.
|
||
|
|
*
|
||
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
||
|
|
* KIND, either express or implied.
|
||
|
|
*
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
#include "uisdl.h"
|
||
|
|
#include "lcd-sdl.h"
|
||
|
|
|
||
|
|
SDL_Surface* lcd_surface;
|
||
|
|
|
||
|
|
#if LCD_DEPTH <= 8
|
||
|
|
SDL_Color lcd_color_zero = {UI_LCD_BGCOLORLIGHT, 0};
|
||
|
|
SDL_Color lcd_color_max = {0, 0, 0, 0};
|
||
|
|
#endif
|
||
|
|
|
||
|
|
static inline Uint32 get_lcd_pixel(int x, int y)
|
||
|
|
{
|
||
|
|
#if LCD_DEPTH == 1
|
||
|
|
return ((lcd_framebuffer[y/8][x] >> (y & 7)) & 1);
|
||
|
|
#elif LCD_DEPTH == 2
|
||
|
|
#if LCD_PIXELFORMAT == HORIZONTAL_PACKING
|
||
|
|
return ((lcd_framebuffer[y][x/4] >> (2 * (x & 3))) & 3);
|
||
|
|
#else
|
||
|
|
return ((lcd_framebuffer[y/4][x] >> (2 * (y & 3))) & 3);
|
||
|
|
#endif
|
||
|
|
#elif LCD_DEPTH == 16
|
||
|
|
#if LCD_PIXELFORMAT == RGB565SWAPPED
|
||
|
|
unsigned bits = lcd_framebuffer[y][x];
|
||
|
|
return (bits >> 8) | (bits << 8);
|
||
|
|
#else
|
||
|
|
return lcd_framebuffer[y][x];
|
||
|
|
#endif
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
void lcd_update(void)
|
||
|
|
{
|
||
|
|
/* update a full screen rect */
|
||
|
|
lcd_update_rect(0, 0, LCD_WIDTH, LCD_HEIGHT);
|
||
|
|
}
|
||
|
|
|
||
|
|
void lcd_update_rect(int x_start, int y_start, int width, int height)
|
||
|
|
{
|
||
|
|
sdl_update_rect(lcd_surface, x_start, y_start, width, height, LCD_WIDTH, LCD_HEIGHT,
|
||
|
|
background ? UI_LCD_POSX : 0, background? UI_LCD_POSY : 0,
|
||
|
|
get_lcd_pixel);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/* initialise simulator lcd driver */
|
||
|
|
void sim_lcd_init(void)
|
||
|
|
{
|
||
|
|
#if LCD_DEPTH == 16
|
||
|
|
lcd_surface = SDL_CreateRGBSurface(SDL_SWSURFACE, LCD_WIDTH * display_zoom,
|
||
|
|
LCD_HEIGHT * display_zoom, LCD_DEPTH, 0, 0, 0, 0);
|
||
|
|
#else
|
||
|
|
lcd_surface = SDL_CreateRGBSurface(SDL_SWSURFACE, LCD_WIDTH * display_zoom,
|
||
|
|
LCD_HEIGHT * display_zoom, 8, 0, 0, 0, 0);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if LCD_DEPTH <= 8
|
||
|
|
sdl_set_gradient(lcd_surface, &lcd_color_zero, &lcd_color_max, (1<<LCD_DEPTH));
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|