mutter/cogl/cogl/cogl-scanout.c

80 lines
2.4 KiB
C

/*
* Copyright (C) 2019 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* SPDX-License-Identifier: MIT
*
*/
#include "cogl-config.h"
#include "cogl/cogl-scanout.h"
enum
{
SCANOUT_FAILED,
N_SIGNALS
};
static guint signals[N_SIGNALS];
G_DEFINE_INTERFACE (CoglScanout, cogl_scanout, G_TYPE_OBJECT)
static void
cogl_scanout_default_init (CoglScanoutInterface *iface)
{
signals[SCANOUT_FAILED] =
g_signal_new ("scanout-failed",
G_TYPE_FROM_INTERFACE (iface),
G_SIGNAL_RUN_LAST,
0, NULL, NULL, NULL,
G_TYPE_NONE, 1,
COGL_TYPE_ONSCREEN);
}
gboolean
cogl_scanout_blit_to_framebuffer (CoglScanout *scanout,
CoglFramebuffer *framebuffer,
int x,
int y,
GError **error)
{
CoglScanoutInterface *iface;
g_return_val_if_fail (COGL_IS_SCANOUT (scanout), FALSE);
iface = COGL_SCANOUT_GET_IFACE (scanout);
if (iface->blit_to_framebuffer)
return iface->blit_to_framebuffer (scanout, framebuffer, x, y, error);
else
return FALSE;
}
void
cogl_scanout_notify_failed (CoglScanout *scanout,
CoglOnscreen *onscreen)
{
g_signal_emit (scanout, signals[SCANOUT_FAILED], 0, onscreen);
}