152 lines
3.9 KiB
C
152 lines
3.9 KiB
C
/*
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* Cogl
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*
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* A Low Level GPU Graphics and Utilities API
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*
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* Copyright (C) 2011 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Authors:
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* Robert Bragg <robert@linux.intel.com>
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*/
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#include "cogl-config.h"
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#include <string.h>
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#include "cogl/cogl-private.h"
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#include "cogl/cogl-display-private.h"
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#include "cogl/cogl-renderer-private.h"
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#include "cogl/winsys/cogl-winsys-private.h"
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G_DEFINE_TYPE (CoglDisplay, cogl_display, G_TYPE_OBJECT);
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static const CoglWinsysVtable *
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_cogl_display_get_winsys (CoglDisplay *display)
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{
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return display->renderer->winsys_vtable;
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}
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static void
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cogl_display_dispose (GObject *object)
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{
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CoglDisplay *display = COGL_DISPLAY (object);
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const CoglWinsysVtable *winsys;
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if (display->setup)
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{
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winsys = _cogl_display_get_winsys (display);
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winsys->display_destroy (display);
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display->setup = FALSE;
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}
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g_clear_object (&display->renderer);
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g_clear_object (&display->onscreen_template);
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G_OBJECT_CLASS (cogl_display_parent_class)->dispose (object);
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}
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static void
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cogl_display_init (CoglDisplay *display)
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{
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}
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static void
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cogl_display_class_init (CoglDisplayClass *class)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (class);
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object_class->dispose = cogl_display_dispose;
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}
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CoglDisplay *
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cogl_display_new (CoglRenderer *renderer,
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CoglOnscreenTemplate *onscreen_template)
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{
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CoglDisplay *display = g_object_new (COGL_TYPE_DISPLAY, NULL);
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GError *error = NULL;
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_cogl_init ();
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display->renderer = renderer;
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if (renderer)
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g_object_ref (renderer);
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else
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display->renderer = cogl_renderer_new ();
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if (!cogl_renderer_connect (display->renderer, &error))
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g_error ("Failed to connect to renderer: %s\n", error->message);
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display->setup = FALSE;
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cogl_display_set_onscreen_template (display, onscreen_template);
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return display;
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}
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CoglRenderer *
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cogl_display_get_renderer (CoglDisplay *display)
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{
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return display->renderer;
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}
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void
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cogl_display_set_onscreen_template (CoglDisplay *display,
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CoglOnscreenTemplate *onscreen_template)
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{
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g_return_if_fail (display->setup == FALSE);
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if (onscreen_template)
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g_object_ref (onscreen_template);
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if (display->onscreen_template)
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g_object_unref (display->onscreen_template);
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display->onscreen_template = onscreen_template;
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/* NB: we want to maintain the invariable that there is always an
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* onscreen template associated with a CoglDisplay... */
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if (!onscreen_template)
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display->onscreen_template = cogl_onscreen_template_new (NULL);
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}
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gboolean
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cogl_display_setup (CoglDisplay *display,
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GError **error)
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{
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const CoglWinsysVtable *winsys;
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if (display->setup)
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return TRUE;
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winsys = _cogl_display_get_winsys (display);
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if (!winsys->display_setup (display, error))
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return FALSE;
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display->setup = TRUE;
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return TRUE;
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}
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