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/* GDK - The GIMP Drawing Kit
*
* gdkglcontext-wayland.c: Wayland specific OpenGL wrappers
*
* Copyright © 2014 Emmanuele Bassi
* Copyright © 2014 Alexander Larsson
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "gdkglcontext-wayland.h"
#include "gdkdisplay-wayland.h"
#include "gdksurface-wayland.h"
#include "gdksurface-wayland-private.h"
#include "gdkwaylanddisplay.h"
#include "gdkwaylandglcontext.h"
#include "gdkwaylandsurface.h"
#include "gdkprivate-wayland.h"
#include "gdkprivate.h"
#include "gdksurfaceprivate.h"
#include "gdkprofilerprivate.h"
#include <glib/gi18n-lib.h>
/**
* GdkWaylandGLContext:
*
* The Wayland implementation of `GdkGLContext`.
*/
G_DEFINE_TYPE (GdkWaylandGLContext, gdk_wayland_gl_context, GDK_TYPE_GL_CONTEXT)
static void
gdk_wayland_gl_context_begin_frame (GdkDrawContext *draw_context,
gboolean prefers_high_depth,
cairo_region_t *region)
{
gdk_wayland_surface_ensure_wl_egl_window (gdk_draw_context_get_surface (draw_context));
GDK_DRAW_CONTEXT_CLASS (gdk_wayland_gl_context_parent_class)->begin_frame (draw_context, prefers_high_depth, region);
}
static void
gdk_wayland_gl_context_end_frame (GdkDrawContext *draw_context,
cairo_region_t *painted)
{
GdkSurface *surface = gdk_draw_context_get_surface (draw_context);
GdkWaylandSurface *impl = GDK_WAYLAND_SURFACE (surface);
int dx = impl->pending_buffer_offset_x;
int dy = impl->pending_buffer_offset_y;
gdk_wayland_surface_sync (surface);
gdk_wayland_surface_request_frame (surface);
wl_surface_offset (impl->display_server.wl_surface, dx, dy);
GDK_DRAW_CONTEXT_CLASS (gdk_wayland_gl_context_parent_class)->end_frame (draw_context, painted);
gdk_wayland_surface_notify_committed (surface);
}
static void
gdk_wayland_gl_context_class_init (GdkWaylandGLContextClass *klass)
{
GdkDrawContextClass *draw_context_class = GDK_DRAW_CONTEXT_CLASS (klass);
GdkGLContextClass *context_class = GDK_GL_CONTEXT_CLASS (klass);
draw_context_class->begin_frame = gdk_wayland_gl_context_begin_frame;
draw_context_class->end_frame = gdk_wayland_gl_context_end_frame;
context_class->backend_type = GDK_GL_EGL;
}
static void
gdk_wayland_gl_context_init (GdkWaylandGLContext *self)
{
}
/**
* gdk_wayland_display_get_egl_display:
* @display: (type GdkWaylandDisplay): a Wayland display
*
* Retrieves the EGL display connection object for the given GDK display.
*
* Returns: (nullable): the EGL display
*
* Since: 4.4
*/
gpointer
gdk_wayland_display_get_egl_display (GdkDisplay *display)
{
g_return_val_if_fail (GDK_IS_WAYLAND_DISPLAY (display), NULL);
return gdk_display_get_egl_display (display);
}
GdkGLContext *
gdk_wayland_display_init_gl (GdkDisplay *display,
GError **error)
{
GdkWaylandDisplay *self = GDK_WAYLAND_DISPLAY (display);
if (!gdk_display_init_egl (display,
EGL_PLATFORM_WAYLAND_EXT,
self->wl_display,
TRUE,
error))
return NULL;
return g_object_new (GDK_TYPE_WAYLAND_GL_CONTEXT,
"display", display,
NULL);
}
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