add a pitch variable

[picodrive.git] / platform / linux / io.c

diff --git a/platform/linux/io.c b/platform/linux/io.c
index edc5f6e..57601cc 100644 (file)
--- a/platform/linux/io.c
+++ b/platform/linux/io.c
@@ -134,7 +134,7 @@ static void xlib_update(void)
        XLockDisplay(xlib_display);
 
        xstatus = XPutImage(xlib_display, xlib_window, DefaultGC(xlib_display, 0), ximage,
-               0, 0, 0, 0, g_screen_width, g_screen_height);
+               0, 0, 0, 0, g_screen_ppitch, g_screen_height);
        if (xstatus != 0)
                fprintf(stderr, "XPutImage %d\n", xstatus);
 
@@ -260,6 +260,7 @@ static void realloc_screen(void)
        int size = scr_w * scr_h * 2;
        g_screen_width = g_menuscreen_w = scr_w;
        g_screen_height = g_menuscreen_h = scr_h;
+       g_screen_ppitch = g_menuscreen_pp = scr_w;
        g_screen_ptr = realloc(g_screen_ptr, size);
        g_menubg_ptr = realloc(g_menubg_ptr, size);
        memset(g_screen_ptr, 0, size);
@@ -275,7 +276,7 @@ void plat_video_flip(void)
        if (ximage == NULL)
                return;
 
-       pixel_count = g_screen_width * g_screen_height;
+       pixel_count = g_screen_ppitch * g_screen_height;
        image = (void *)ximage->data;
 
        if (current_bpp == 8)
@@ -332,6 +333,7 @@ void plat_init(void)
                exit(1);
        g_screen_width = g_menuscreen_w = w;
        g_screen_height = g_menuscreen_h = h;
+       g_screen_ppitch = g_menuscreen_pp = w;
        g_menubg_ptr = realloc(g_menubg_ptr, w * g_screen_height * 2);
 #else
        realloc_screen();