SDL simulator brought by Nathan Hand and Nick Lanham. This is added as a third

simulator with the hope that once it works fine, we can remove the other two
and only have one unified simulator.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8312 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 210 insertions, 0 deletions

diff --git a/uisimulator/sdl/lcd-x11.c b/uisimulator/sdl/lcd-x11.c
new file mode 100644
index 0000000000..3ab5bc0e16
--- /dev/null
+++ b/uisimulator/sdl/lcd-x11.c
@@ -0,0 +1,210 @@
+/***************************************************************************
+ *             __________               __   ___.                  
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___  
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /  
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <   
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \  
+ *                     \/            \/     \/    \/            \/ 
+ * $Id$
+ *
+ * Copyright (C) 2002 by Daniel Stenberg <daniel@haxx.se>
+ *
+ * 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 <stdio.h>
+#include <string.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include <errno.h>
+#include <ctype.h>
+#include <time.h>
+
+#include "screenhack.h"
+#include "config.h"
+
+/*
+ * Specific implementations for X11, using the generic LCD API and data.
+ */
+
+#include "lcd-x11.h"
+#include "lcd-playersim.h"
+
+#include <SDL.h>
+
+extern SDL_Surface *surface;
+
+extern void screen_resized(int width, int height);
+extern bool lcd_display_redraw;
+
+#ifdef HAVE_LCD_BITMAP
+#if LCD_DEPTH==16
+fb_data lcd_framebuffer_copy[LCD_HEIGHT][LCD_WIDTH*2];
+#else
+fb_data lcd_framebuffer_copy[LCD_HEIGHT][LCD_WIDTH];
+#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)
+{
+    int x;
+    int y;
+    int p=0;
+    int xmax;
+    int ymax;
+    int colors[LCD_WIDTH * LCD_HEIGHT];
+    struct coordinate points[LCD_WIDTH * LCD_HEIGHT];
+
+#if 0
+    fprintf(stderr, "%04d: lcd_update_rect(%d, %d, %d, %d)\n",
+            counter++, x_start, y_start, width, height);
+#endif
+    ymax = y_start + height;
+    xmax = x_start + width;
+
+    if(xmax > LCD_WIDTH)
+        xmax = LCD_WIDTH;
+    if(ymax >= LCD_HEIGHT)
+        ymax = LCD_HEIGHT;
+
+    for (x = x_start; x < xmax; x++)
+        for (y = y_start; y < ymax; y++)
+        {
+#if LCD_DEPTH == 1
+            Uint32 sdl_white = SDL_MapRGB(surface->format, 255, 255, 255);
+            Uint32 sdl_black = SDL_MapRGB(surface->format, 0, 0, 0);
+            points[p].x = x + MARGIN_X;
+            points[p].y = y + MARGIN_Y;
+            colors[p] = ((lcd_framebuffer[y/8][x] >> (y & 7)) & 1) ? sdl_black : sdl_white;
+#elif LCD_DEPTH == 2
+            unsigned gray = ((lcd_framebuffer[y/4][x] >> (2 * (y & 3))) & 3) << 6;
+            points[p].x = x + MARGIN_X;
+            points[p].y = y + MARGIN_Y;
+            colors[p] = SDL_MapRGB(surface->format, 255-gray, 255-gray, 255-gray);
+#elif LCD_DEPTH == 16
+#if LCD_PIXELFORMAT == RGB565SWAPPED
+            unsigned b = ((lcd_framebuffer[y][x] >> 11) & 0x1f) << 3;
+            unsigned g = ((lcd_framebuffer[y][x] >> 5) & 0x3f) << 2;
+            unsigned r = ((lcd_framebuffer[y][x]) & 0x1f) << 3;
+            points[p].x = x + MARGIN_X;
+            points[p].y = y + MARGIN_Y;
+            colors[p] = SDL_MapRGB(surface->format, r, g, b);
+#else
+            unsigned r = ((lcd_framebuffer[y][x] >> 11) & 0x1f) << 3;
+            unsigned g = ((lcd_framebuffer[y][x] >> 5) & 0x3f) << 2;
+            unsigned b = ((lcd_framebuffer[y][x]) & 0x1f) << 3;
+            points[p].x = x + MARGIN_X;
+            points[p].y = y + MARGIN_Y;
+            colors[p] = SDL_MapRGB(surface->format, r, g, b);
+#endif
+#endif
+            p++;
+        }
+
+    dots(colors, &points[0], p);
+    /* printf("lcd_update_rect: Draws %d pixels, clears %d pixels\n", p, cp);*/
+    SDL_UpdateRect(surface, 0, 0, 0, 0);
+    lcd_display_redraw=false;
+}
+
+#ifdef LCD_REMOTE_HEIGHT
+extern unsigned char lcd_remote_framebuffer[LCD_REMOTE_HEIGHT/8][LCD_REMOTE_WIDTH];
+unsigned char lcd_remote_framebuffer_copy[LCD_REMOTE_HEIGHT/8][LCD_REMOTE_WIDTH];
+
+#define REMOTE_START_Y (LCD_HEIGHT + 2*MARGIN_Y)
+
+void lcd_remote_update (void)
+{
+    lcd_remote_update_rect(0, 0, LCD_REMOTE_WIDTH, LCD_REMOTE_HEIGHT);
+}
+
+void lcd_remote_update_rect(int x_start, int y_start,
+                            int width, int height)
+{
+    int x;
+    int y;
+    int p=0;
+    int xmax;
+    int ymax;
+    struct coordinate points[LCD_REMOTE_WIDTH * LCD_REMOTE_HEIGHT];
+    int colors[LCD_REMOTE_WIDTH * LCD_REMOTE_HEIGHT];
+    Uint32 sdl_white = SDL_MapRGB(surface->format, 255, 255, 255);
+    Uint32 sdl_black = SDL_MapRGB(surface->format, 0, 0, 0);
+
+#if 0
+    fprintf(stderr, "%04d: lcd_update_rect(%d, %d, %d, %d)\n",
+            counter++, x_start, y_start, width, height);
+#endif
+    ymax = y_start + height;
+    xmax = x_start + width;
+
+    if(xmax > LCD_REMOTE_WIDTH)
+        xmax = LCD_REMOTE_WIDTH;
+    if(ymax >= LCD_REMOTE_HEIGHT)
+        ymax = LCD_REMOTE_HEIGHT;
+
+    for (x = x_start; x < xmax; x++)
+        for (y = y_start; y < ymax; y++) {
+            colors[p] = ((lcd_remote_framebuffer[y/8][x] >> (y & 7)) & 1) ? sdl_black : sdl_white;
+            points[p].x = x + MARGIN_X;
+            points[p].y = y + MARGIN_Y + REMOTE_START_Y;
+            p++;
+        }
+
+    dots(colors, &points[0], p);
+    /* printf("lcd_update_rect: Draws %d pixels, clears %d pixels\n", p, cp);*/
+    SDL_UpdateRect(surface, 0, 0, 0, 0);
+    lcd_display_redraw=false;
+}
+
+
+#endif
+
+#endif
+#ifdef HAVE_LCD_CHARCELLS
+
+/* Defined in lcd-playersim.c */
+extern void lcd_print_char(int x, int y);
+extern unsigned char lcd_buffer[2][11];
+
+extern unsigned char hardware_buffer_lcd[11][2];
+static unsigned char lcd_buffer_copy[11][2];
+
+void lcd_update (void)
+{
+    bool changed=false;
+    int x, y;
+    for (y=0; y<2; y++) {
+        for (x=0; x<11; x++) {
+            if (lcd_display_redraw ||
+                lcd_buffer_copy[x][y] != hardware_buffer_lcd[x][y]) {
+                lcd_buffer_copy[x][y] = hardware_buffer_lcd[x][y];
+                lcd_print_char(x, y);
+                changed=true;
+            }
+        }
+    }
+    if (changed)
+    {
+        SDL_UpdateRect(surface, 0, 0, 0, 0);
+    }
+    lcd_display_redraw=false;
+}
+
+#endif