DisplayState interface change

diff -r 3216de4cba65 console.c
@@ -1044,12 +1044,15 @@
 
     if (index >= MAX_CONSOLES)
         return;
+    active_console->g_width = ds_get_width(active_console->ds);
+    active_console->g_height = ds_get_height(active_console->ds);
     s = consoles[index];
     if (s) {
+        DisplayState *ds = s->ds;
         active_console = s;
-        if (s->console_type != TEXT_CONSOLE && s->g_width && s->g_height
-            && (s->g_width != ds_get_width(s->ds) || s->g_height != ds_get_height(s->ds)))
-            dpy_resize(s->ds, s->g_width, s->g_height);
+        ds->surface = qemu_resize_displaysurface(ds->surface, s->g_width,
+                                                s->g_height, 32, 4 * s->g_width);
+        dpy_resize(s->ds);
         vga_hw_invalidate();
     }
 }

@@ -1157,16 +1160,6 @@
 static void text_console_invalidate(void *opaque)
 {
     TextConsole *s = (TextConsole *) opaque;
-
-    if (s->g_width != ds_get_width(s->ds) || s->g_height != ds_get_height(s->ds)) {
-        if (s->console_type == TEXT_CONSOLE_FIXED_SIZE)
-            dpy_resize(s->ds, s->g_width, s->g_height);
-        else {
-            s->g_width = ds_get_width(s->ds);
-            s->g_height = ds_get_height(s->ds);
-            text_console_resize(s);
-        }
-    }
     console_refresh(s);
 }
 

@@ -1346,13 +1339,12 @@
 
 void qemu_console_resize(QEMUConsole *console, int width, int height)
 {
-    if (console->g_width != width || console->g_height != height
-        || !ds_get_data(console->ds)) {
-        console->g_width = width;
-        console->g_height = height;
-        if (active_console == console) {
-            dpy_resize(console->ds, width, height);
-        }
+    console->g_width = width;
+    console->g_height = height;
+    if (active_console == console) {
+        DisplayState *ds = console->ds;
+        ds->surface = qemu_resize_displaysurface(ds->surface, width, height, 32, 4 * width);
+        dpy_resize(console->ds);
     }
 }
 

@@ -1360,12 +1352,137 @@
                 int dst_x, int dst_y, int w, int h)
 {
     if (active_console == console) {
-        if (console->ds->dpy_copy)
-            console->ds->dpy_copy(console->ds,
-                            src_x, src_y, dst_x, dst_y, w, h);
-        else {
-            /* TODO */
-            console->ds->dpy_update(console->ds, dst_x, dst_y, w, h);
-        }
+            dpy_copy(console->ds, src_x, src_y, dst_x, dst_y, w, h);
     }
 }
+
+static PixelFormat qemu_default_pixelformat(int bpp)
+{
+    PixelFormat pf;
+
+    memset(&pf, 0x00, sizeof(PixelFormat));
+
+    pf.bits_per_pixel = bpp;
+    pf.bytes_per_pixel = bpp / 8;
+    pf.depth = bpp == 32 ? 24 : bpp;
+
+    switch (bpp) {
+        case 8:
+            pf.rmask = 0x000000E0;
+            pf.gmask = 0x0000001C;
+            pf.bmask = 0x00000003;
+            pf.rmax = 7;
+            pf.gmax = 7;
+            pf.bmax = 3;
+            pf.rshift = 5;
+            pf.gshift = 2;
+            pf.bshift = 0;
+            break;
+        case 16:
+            pf.rmask = 0x0000F800;
+            pf.gmask = 0x000007E0;
+            pf.bmask = 0x0000001F;
+            pf.rmax = 31;
+            pf.gmax = 63;
+            pf.bmax = 31;
+            pf.rshift = 11;
+            pf.gshift = 5;
+            pf.bshift = 0;
+            break;
+        case 24:
+        case 32:
+            pf.rmask = 0x00FF0000;
+            pf.gmask = 0x0000FF00;
+            pf.bmask = 0x000000FF;
+            pf.rmax = 255;
+            pf.gmax = 255;
+            pf.bmax = 255;
+            pf.rshift = 16;
+            pf.gshift = 8;
+            pf.bshift = 0;
+            break;
+        default:
+            break;
+    }
+    return pf;
+}
+
+DisplaySurface* qemu_create_displaysurface(int width, int height, int bpp, int linesize)
+{
+    DisplaySurface *surface = (DisplaySurface*) qemu_mallocz(sizeof(DisplaySurface));
+    if (surface == NULL) {
+        fprintf(stderr, "qemu_create_displaysurface: malloc failed\n");
+        exit(1);
+    }
+
+    surface->width = width;
+    surface->height = height;
+    surface->linesize = linesize;
+    surface->pf = qemu_default_pixelformat(bpp);
+#ifdef WORDS_BIGENDIAN
+    surface->flags = QEMU_ALLOCATED_FLAG | QEMU_BIG_ENDIAN_FLAG;
+#else
+    surface->flags = QEMU_ALLOCATED_FLAG;
+#endif
+    surface->data = (uint8_t*) qemu_mallocz(surface->linesize * surface->height);
+    if (surface->data == NULL) {
+        fprintf(stderr, "qemu_create_displaysurface: malloc failed\n");
+        exit(1);
+    }
+
+    return surface;
+}
+
+DisplaySurface* qemu_resize_displaysurface(DisplaySurface *surface,
+                                          int width, int height, int bpp, int linesize)
+{
+    surface->width = width;
+    surface->height = height;
+    surface->linesize = linesize;
+    surface->pf = qemu_default_pixelformat(bpp);
+    if (surface->flags & QEMU_ALLOCATED_FLAG)
+        surface->data = (uint8_t*) qemu_realloc(surface->data, surface->linesize * surface->height);
+    else
+        surface->data = (uint8_t*) qemu_malloc(surface->linesize * surface->height);
+    if (surface->data == NULL) {
+        fprintf(stderr, "qemu_resize_displaysurface: malloc failed\n");
+        exit(1);
+    }
+#ifdef WORDS_BIGENDIAN
+    surface->flags = QEMU_ALLOCATED_FLAG | QEMU_BIG_ENDIAN_FLAG;
+#else
+    surface->flags = QEMU_ALLOCATED_FLAG;
+#endif
+
+    return surface;
+}
+
+DisplaySurface* qemu_create_displaysurface_from(int width, int height, int bpp,
+                                              int linesize, uint8_t *data)
+{
+    DisplaySurface *surface = (DisplaySurface*) qemu_mallocz(sizeof(DisplaySurface));
+    if (surface == NULL) {
+        fprintf(stderr, "qemu_create_displaysurface_from: malloc failed\n");
+        exit(1);
+    }
+
+    surface->width = width;
+    surface->height = height;
+    surface->linesize = linesize;
+    surface->pf = qemu_default_pixelformat(bpp);
+#ifdef WORDS_BIGENDIAN
+    surface->flags = QEMU_BIG_ENDIAN_FLAG;
+#endif
+    surface->data = data;
+
+    return surface;
+}
+
+void qemu_free_displaysurface(DisplaySurface *surface)
+{
+    if (surface == NULL)
+        return;
+    if (surface->flags & QEMU_ALLOCATED_FLAG)
+        qemu_free(surface->data);
+    qemu_free(surface);
+}

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diff -r 3216de4cba65 curses.c
@@ -97,13 +97,13 @@
     }
 }
 
-static void curses_resize(DisplayState *ds, int w, int h)
+static void curses_resize(DisplayState *ds)
 {
-    if (w == gwidth && h == gheight)
+    if (ds_get_width(ds) == gwidth && ds_get_height(ds) == gheight)
         return;
 
-    gwidth = w;
-    gheight = h;
+    gwidth = ds_get_width(ds);
+    gheight = ds_get_height(ds);
 
     curses_calc_pad();
 }

@@ -169,8 +169,8 @@
         clear();
         refresh();
         curses_calc_pad();
-        ds->width = FONT_WIDTH * width;
-        ds->height = FONT_HEIGHT * height;
+        ds->surface->width = FONT_WIDTH * width;
+        ds->surface->height = FONT_HEIGHT * height;
         vga_hw_invalidate();
         invalidate = 0;
     }

@@ -197,8 +197,8 @@
             refresh();
             curses_calc_pad();
             curses_update(ds, 0, 0, width, height);
-            ds->width = FONT_WIDTH * width;
-            ds->height = FONT_HEIGHT * height;
+            ds->surface->width = FONT_WIDTH * width;
+            ds->surface->height = FONT_HEIGHT * height;
             continue;
         }
 #endif

@@ -338,6 +338,7 @@
 
 void curses_display_init(DisplayState *ds, int full_screen)
 {
+    DisplayChangeListener *dcl;
 #ifndef _WIN32
     if (!isatty(1)) {
         fprintf(stderr, "We need a terminal output\n");

@@ -357,18 +358,19 @@
 #endif
 #endif
 
-    ds->data = (void *) screen;
-    ds->linesize = 0;
-    ds->depth = 0;
-    ds->width = 640;
-    ds->height = 400;
-    ds->dpy_update = curses_update;
-    ds->dpy_resize = curses_resize;
-    ds->dpy_refresh = curses_refresh;
-    ds->dpy_text_cursor = curses_cursor_position;
+    dcl = (DisplayChangeListener *) qemu_mallocz(sizeof(DisplayChangeListener));
+    if (!dcl)
+        exit(1);
+    dcl->dpy_update = curses_update;
+    dcl->dpy_resize = curses_resize;
+    dcl->dpy_refresh = curses_refresh;
+    dcl->dpy_text_cursor = curses_cursor_position;
+    register_displaychangelistener(ds, dcl);
+    qemu_free_displaysurface(ds->surface);
+    ds->surface = qemu_create_displaysurface_from(80, 25, 0, 0, (uint8_t*) screen);
 
     invalidate = 1;
 
     /* Standard VGA initial text mode dimensions */
-    curses_resize(ds, 80, 25);
+    curses_resize(ds);
 }

diff -r 3216de4cba65 hw/cirrus_vga.c
@@ -791,22 +791,9 @@
     if (BLTUNSAFE(s))
         return 0;
 
-    if (s->ds->dpy_copy) {
-	cirrus_do_copy(s, s->cirrus_blt_dstaddr - s->start_addr,
-		       s->cirrus_blt_srcaddr - s->start_addr,
-		       s->cirrus_blt_width, s->cirrus_blt_height);
-    } else {
-	(*s->cirrus_rop) (s, s->vram_ptr +
-                (s->cirrus_blt_dstaddr & s->cirrus_addr_mask),
-			  s->vram_ptr +
-                (s->cirrus_blt_srcaddr & s->cirrus_addr_mask),
-			  s->cirrus_blt_dstpitch, s->cirrus_blt_srcpitch,
-			  s->cirrus_blt_width, s->cirrus_blt_height);
-
-	cirrus_invalidate_region(s, s->cirrus_blt_dstaddr,
-				 s->cirrus_blt_dstpitch, s->cirrus_blt_width,
-				 s->cirrus_blt_height);
-    }
+    cirrus_do_copy(s, s->cirrus_blt_dstaddr - s->start_addr,
+            s->cirrus_blt_srcaddr - s->start_addr,
+            s->cirrus_blt_width, s->cirrus_blt_height);
 
     return 1;
 }

diff -r 3216de4cba65 hw/nseries.c
@@ -1361,7 +1361,8 @@
     /* FIXME: We shouldn't really be doing this here.  The LCD controller
        will set the size once configured, so this just sets an initial
        size until the guest activates the display.  */
-    dpy_resize(ds, 800, 480);
+    ds->surface = qemu_resize_displaysurface(ds->surface, 800, 480, 32, 4 * 800);
+    dpy_resize(ds);
 }
 
 static struct arm_boot_info n800_binfo = {

diff -r 3216de4cba65 hw/palm.c
@@ -278,7 +278,8 @@
     /* FIXME: We shouldn't really be doing this here.  The LCD controller
        will set the size once configured, so this just sets an initial
        size until the guest activates the display.  */
-    dpy_resize(ds, 320, 320);
+    ds->surface = qemu_resize_displaysurface(ds->surface, 320, 320, 32, 4 * 320);
+    dpy_resize(ds);
 }
 
 QEMUMachine palmte_machine = {

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diff -r 3216de4cba65 hw/vga_int.h
@@ -154,9 +154,11 @@
     uint32_t line_compare;                                              \
     uint32_t start_addr;                                                \
     uint32_t plane_updated;                                             \
+    uint32_t last_line_offset;                                          \
     uint8_t last_cw, last_ch;                                           \
     uint32_t last_width, last_height; /* in chars or pixels */          \
     uint32_t last_scr_width, last_scr_height; /* in pixels */           \
+    uint32_t last_depth; /* in bits */                                  \
     uint8_t cursor_start, cursor_end;                                   \
     uint32_t cursor_offset;                                             \
     unsigned int (*rgb_to_pixel)(unsigned int r,                        \

diff -r 3216de4cba65 qemu-common.h
@@ -157,6 +157,9 @@
 typedef struct AudioState AudioState;
 typedef struct BlockDriverState BlockDriverState;
 typedef struct DisplayState DisplayState;
+typedef struct DisplayChangeListener DisplayChangeListener;
+typedef struct DisplaySurface DisplaySurface;
+typedef struct PixelFormat PixelFormat;
 typedef struct TextConsole TextConsole;
 typedef TextConsole QEMUConsole;
 typedef struct CharDriverState CharDriverState;

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