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broadway: Simplify frame handling and make it ARGB32

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This completely removes the delta compression and makes all buffers ARGB.
This is obviously slower, but this will be re-integrated later.
This commit is contained in:
Alexander Larsson 2013-11-06 12:54:37 +01:00
parent b436f06a94
commit 6e308dc7c7
4 changed files with 17 additions and 69 deletions
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79
gdk/broadway/broadway-server.c
View File

@ -1380,44 +1380,6 @@ broadway_server_has_client (BroadwayServer *server)
return server->output != NULL;
}
static void
diff_surfaces (cairo_surface_t *surface,
cairo_surface_t *old_surface)
{
guint8 *data, *old_data;
guint32 *line, *old_line;
int w, h, stride, old_stride;
int x, y;
data = cairo_image_surface_get_data (surface);
old_data = cairo_image_surface_get_data (old_surface);
w = cairo_image_surface_get_width (surface);
h = cairo_image_surface_get_height (surface);
stride = cairo_image_surface_get_stride (surface);
old_stride = cairo_image_surface_get_stride (old_surface);
for (y = 0; y < h; y++)
{
line = (guint32 *)data;
old_line = (guint32 *)old_data;
for (x = 0; x < w; x++)
{
if ((*line & 0xffffff) == (*old_line & 0xffffff))
*old_line = 0;
else
*old_line = *line | 0xff000000;
line ++;
old_line ++;
}
data += stride;
old_data += old_stride;
}
}
void
broadway_server_window_update (BroadwayServer *server,
gint id,
@ -1435,7 +1397,7 @@ broadway_server_window_update (BroadwayServer *server,
return;
if (window->last_surface == NULL)
window->last_surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24,
window->last_surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
window->width,
window->height);
@ -1446,25 +1408,12 @@ broadway_server_window_update (BroadwayServer *server,
if (server->output != NULL)
{
if (window->last_synced)
{
diff_surfaces (surface,
window->last_surface);
broadway_output_put_rgba (server->output, window->id, 0, 0,
cairo_image_surface_get_width (window->last_surface),
cairo_image_surface_get_height (window->last_surface),
cairo_image_surface_get_stride (window->last_surface),
cairo_image_surface_get_data (window->last_surface));
}
else
{
window->last_synced = TRUE;
broadway_output_put_rgb (server->output, window->id, 0, 0,
cairo_image_surface_get_width (surface),
cairo_image_surface_get_height (surface),
cairo_image_surface_get_stride (surface),
cairo_image_surface_get_data (surface));
}
window->last_synced = TRUE;
broadway_output_put_rgba (server->output, window->id, 0, 0,
cairo_image_surface_get_width (surface),
cairo_image_surface_get_height (surface),
cairo_image_surface_get_stride (surface),
cairo_image_surface_get_data (surface));
broadway_output_surface_flush (server->output, window->id);
}
@ -1505,7 +1454,7 @@ broadway_server_window_move_resize (BroadwayServer *server,
old = window->last_surface;
window->last_surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24,
window->last_surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
width, height);
@ -1654,7 +1603,7 @@ broadway_server_open_surface (BroadwayServer *server,
data->data_size = size;
surface = cairo_image_surface_create_for_data ((guchar *)data->data,
CAIRO_FORMAT_RGB24,
CAIRO_FORMAT_ARGB32,
width, height,
width * sizeof (guint32));
g_assert (surface != NULL);
@ -1760,11 +1709,11 @@ broadway_server_resync_windows (BroadwayServer *server)
if (window->last_surface != NULL)
{
window->last_synced = TRUE;
broadway_output_put_rgb (server->output, window->id, 0, 0,
cairo_image_surface_get_width (window->last_surface),
cairo_image_surface_get_height (window->last_surface),
cairo_image_surface_get_stride (window->last_surface),
cairo_image_surface_get_data (window->last_surface));
broadway_output_put_rgba (server->output, window->id, 0, 0,
cairo_image_surface_get_width (window->last_surface),
cairo_image_surface_get_height (window->last_surface),
cairo_image_surface_get_stride (window->last_surface),
cairo_image_surface_get_data (window->last_surface));
}
broadway_output_surface_flush (server->output, window->id);
}

3
gdk/broadway/broadway.js
View File

@ -146,13 +146,12 @@ function flushSurface(surface)
var commands = surface.drawQueue;
surface.queue = [];
var context = surface.canvas.getContext("2d");
context.globalCompositeOperation = "source-over";
context.globalCompositeOperation = "copy";
var i = 0;
for (i = 0; i < commands.length; i++) {
var cmd = commands[i];
switch (cmd.op) {
case 'i': // put image data surface
context.globalCompositeOperation = "source-over";
context.drawImage(cmd.img, cmd.x, cmd.y);
break;

2
gdk/broadway/gdkbroadway-server.c
View File

@ -676,7 +676,7 @@ _gdk_broadway_server_create_surface (int width,
data->data = create_random_shm (data->name, data->data_size);
surface = cairo_image_surface_create_for_data ((guchar *)data->data,
CAIRO_FORMAT_RGB24, width, height, width * sizeof (guint32));
CAIRO_FORMAT_ARGB32, width, height, width * sizeof (guint32));
g_assert (surface != NULL);
cairo_surface_set_user_data (surface, &gdk_broadway_shm_cairo_key,

2
gdk/broadway/gdkscreen-broadway.c
View File

@ -219,7 +219,7 @@ _gdk_broadway_screen_setup (GdkScreen *screen)
static gboolean
gdk_broadway_screen_is_composited (GdkScreen *screen)
{
return FALSE;
return TRUE;
}