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cogland: Add an option to split the desktop into four outputs

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Previously Cogland would always split the desktop into four outputs.
Although this is quite neat to demonstrate that it's possible, it's
quite annoying in practice while testing. This patch turns it into a
command line option which defaults to off.

Reviewed-by: Robert Bragg <robert@linux.intel.com>

(cherry picked from commit 5570bf892268c8d2ea36bc26473aeb607c0e2c1d)
This commit is contained in:
Neil Roberts 2013-03-20 16:53:23 +00:00
parent 13675ab440
commit 73b95dd451
1 changed files with 61 additions and 5 deletions
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56
examples/cogland.c
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@ -2,6 +2,7 @@
#include <cogl/cogl-wayland-server.h>
#include <glib.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/time.h>
#include <string.h>
@ -109,6 +110,47 @@ struct _CoglandCompositor
GList *surfaces;
};
static CoglBool option_multiple_outputs = FALSE;
static GOptionEntry
options[] =
{
{
"multiple", 'm', 0, G_OPTION_ARG_NONE, &option_multiple_outputs,
"Split the compositor into four outputs", NULL
},
{ NULL, 0, 0, 0, NULL, NULL, NULL }
};
static CoglBool
process_arguments (int *argc, char ***argv,
GError **error)
{
GOptionContext *context;
CoglBool ret;
GOptionGroup *group;
group = g_option_group_new (NULL, /* name */
NULL, /* description */
NULL, /* help_description */
NULL, /* user_data */
NULL /* destroy notify */);
g_option_group_add_entries (group, options);
context = g_option_context_new ("- An example Wayland compositor using Cogl");
g_option_context_set_main_group (context, group);
ret = g_option_context_parse (context, argc, argv, error);
g_option_context_free (context);
if (ret && *argc > 1)
{
g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_UNKNOWN_OPTION,
"Unknown option '%s'", (* argv)[1]);
ret = FALSE;
}
return ret;
}
static uint32_t
get_time (void)
{
@ -959,6 +1001,7 @@ main (int argc, char **argv)
CoglandCompositor compositor;
GMainLoop *loop;
CoglError *error = NULL;
GError *gerror = NULL;
CoglVertexP2C4 triangle_vertices[] = {
{0, 0.7, 0xff, 0x00, 0x00, 0x80},
{-0.7, -0.7, 0x00, 0xff, 0x00, 0xff},
@ -966,6 +1009,12 @@ main (int argc, char **argv)
};
GSource *cogl_source;
if (!process_arguments (&argc, &argv, &gerror))
{
fprintf (stderr, "%s\n", gerror->message);
return EXIT_FAILURE;
}
memset (&compositor, 0, sizeof (compositor));
compositor.wayland_display = wl_display_create ();
@ -1000,11 +1049,18 @@ main (int argc, char **argv)
compositor.virtual_width = 640;
compositor.virtual_height = 480;
if (option_multiple_outputs)
{
/* Emulate compositing with multiple monitors... */
cogland_compositor_create_output (&compositor, 0, 0, 320, 240);
cogland_compositor_create_output (&compositor, 320, 0, 320, 240);
cogland_compositor_create_output (&compositor, 0, 240, 320, 240);
cogland_compositor_create_output (&compositor, 320, 240, 320, 240);
}
else
{
cogland_compositor_create_output (&compositor, 0, 0, 640, 480);
}
if (wl_display_add_global (compositor.wayland_display, &wl_shell_interface,
&compositor, bind_shell) == NULL)