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9583195e96
In order to avoid some code duplication and ensure the Cairo and Vulkan implementations behave like the GL one.
148 lines
4.5 KiB
C
148 lines
4.5 KiB
C
/* GDK - The GIMP Drawing Kit
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*
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* gdkglcontext-wayland.c: Wayland specific OpenGL wrappers
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*
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* Copyright © 2014 Emmanuele Bassi
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* Copyright © 2014 Alexander Larsson
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "gdkglcontext-wayland.h"
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#include "gdkdisplay-wayland.h"
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#include "gdksurface-wayland.h"
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#include "gdksurface-wayland-private.h"
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#include "gdkwaylanddisplay.h"
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#include "gdkwaylandglcontext.h"
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#include "gdkwaylandsurface.h"
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#include "gdkprivate-wayland.h"
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#include "gdkprivate.h"
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#include "gdksurfaceprivate.h"
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#include "gdkprofilerprivate.h"
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#include <glib/gi18n-lib.h>
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/**
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* GdkWaylandGLContext:
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*
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* The Wayland implementation of `GdkGLContext`.
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*/
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G_DEFINE_TYPE (GdkWaylandGLContext, gdk_wayland_gl_context, GDK_TYPE_GL_CONTEXT)
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static void
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gdk_wayland_gl_context_begin_frame (GdkDrawContext *draw_context,
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GdkMemoryDepth depth,
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cairo_region_t *region)
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{
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gdk_wayland_surface_ensure_wl_egl_window (gdk_draw_context_get_surface (draw_context));
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GDK_DRAW_CONTEXT_CLASS (gdk_wayland_gl_context_parent_class)->begin_frame (draw_context, depth, region);
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}
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static void
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gdk_wayland_gl_context_end_frame (GdkDrawContext *draw_context,
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cairo_region_t *painted)
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{
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GdkSurface *surface = gdk_draw_context_get_surface (draw_context);
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GdkWaylandSurface *impl = GDK_WAYLAND_SURFACE (surface);
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int dx = impl->pending_buffer_offset_x;
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int dy = impl->pending_buffer_offset_y;
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impl->pending_buffer_offset_x = 0;
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impl->pending_buffer_offset_y = 0;
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gdk_wayland_surface_sync (surface);
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gdk_wayland_surface_request_frame (surface);
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if (wl_surface_get_version (impl->display_server.wl_surface) >=
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WL_SURFACE_OFFSET_SINCE_VERSION)
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wl_surface_offset (impl->display_server.wl_surface, dx, dy);
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/* We should do this when setting up the EGLSurface, but we don't make_current then */
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eglSwapInterval (gdk_display_get_egl_display (gdk_draw_context_get_display (draw_context)), 0);
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GDK_DRAW_CONTEXT_CLASS (gdk_wayland_gl_context_parent_class)->end_frame (draw_context, painted);
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gdk_wayland_surface_notify_committed (surface);
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}
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static void
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gdk_wayland_gl_context_empty_frame (GdkDrawContext *draw_context)
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{
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GdkSurface *surface = gdk_draw_context_get_surface (draw_context);
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gdk_wayland_surface_handle_empty_frame (surface);
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}
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static void
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gdk_wayland_gl_context_class_init (GdkWaylandGLContextClass *klass)
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{
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GdkDrawContextClass *draw_context_class = GDK_DRAW_CONTEXT_CLASS (klass);
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GdkGLContextClass *context_class = GDK_GL_CONTEXT_CLASS (klass);
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draw_context_class->begin_frame = gdk_wayland_gl_context_begin_frame;
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draw_context_class->end_frame = gdk_wayland_gl_context_end_frame;
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draw_context_class->empty_frame = gdk_wayland_gl_context_empty_frame;
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context_class->backend_type = GDK_GL_EGL;
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}
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static void
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gdk_wayland_gl_context_init (GdkWaylandGLContext *self)
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{
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}
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/**
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* gdk_wayland_display_get_egl_display:
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* @display: (type GdkWaylandDisplay): a Wayland display
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*
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* Retrieves the EGL display connection object for the given GDK display.
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*
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* Returns: (nullable): the EGL display
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*
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* Since: 4.4
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*/
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gpointer
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gdk_wayland_display_get_egl_display (GdkDisplay *display)
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{
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g_return_val_if_fail (GDK_IS_WAYLAND_DISPLAY (display), NULL);
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return gdk_display_get_egl_display (display);
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}
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GdkGLContext *
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gdk_wayland_display_init_gl (GdkDisplay *display,
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GError **error)
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{
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GdkWaylandDisplay *self = GDK_WAYLAND_DISPLAY (display);
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if (!gdk_display_init_egl (display,
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EGL_PLATFORM_WAYLAND_EXT,
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self->wl_display,
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TRUE,
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error))
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return NULL;
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return g_object_new (GDK_TYPE_WAYLAND_GL_CONTEXT,
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"display", display,
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NULL);
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}
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