forked from AuroraMiddleware/gtk
128 lines
3.4 KiB
C
128 lines
3.4 KiB
C
/* GDK - The GIMP Drawing Kit
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*
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* gdkglcontext-x11.c: X11 specific OpenGL wrappers
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*
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* Copyright © 2014 Emmanuele Bassi
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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-x11.h"
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#include "gdkdisplay-x11.h"
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#include "gdkprivate-x11.h"
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#include "gdkscreen-x11.h"
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#include "gdkx11display.h"
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#include "gdkx11glcontext.h"
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#include "gdkx11screen.h"
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#include "gdkx11surface.h"
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#include "gdkx11property.h"
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#include <X11/Xatom.h>
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#include "gdkinternals.h"
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#include "gdkintl.h"
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#include <cairo-xlib.h>
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#include <epoxy/glx.h>
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G_DEFINE_ABSTRACT_TYPE (GdkX11GLContext, gdk_x11_gl_context, GDK_TYPE_GL_CONTEXT)
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static void
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gdk_x11_gl_context_class_init (GdkX11GLContextClass *klass)
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{
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}
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static void
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gdk_x11_gl_context_init (GdkX11GLContext *self)
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{
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self->do_frame_sync = TRUE;
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}
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GdkGLContext *
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gdk_x11_surface_create_gl_context (GdkSurface *surface,
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gboolean attached,
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GdkGLContext *share,
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GError **error)
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{
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GdkX11GLContext *context = NULL;
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GdkX11Display *display_x11;
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GdkDisplay *display;
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display = gdk_surface_get_display (surface);
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display_x11 = GDK_X11_DISPLAY (display);
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if (display_x11->egl_display)
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context = gdk_x11_gl_context_egl_new (surface, attached, share, error);
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else if (display_x11->glx_config != NULL)
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context = gdk_x11_gl_context_glx_new (surface, attached, share, error);
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else
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{
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g_set_error_literal (error, GDK_GL_ERROR,
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GDK_GL_ERROR_NOT_AVAILABLE,
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_("No GL implementation is available"));
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return NULL;
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}
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if (context == NULL)
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return NULL;
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context->is_attached = attached;
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return GDK_GL_CONTEXT (context);
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}
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gboolean
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gdk_x11_display_make_gl_context_current (GdkDisplay *display,
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GdkGLContext *context)
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{
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GdkX11Display *display_x11 = GDK_X11_DISPLAY (display);
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if (display_x11->egl_display)
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return gdk_x11_gl_context_egl_make_current (display, context);
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else if (display_x11->glx_config)
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return gdk_x11_gl_context_glx_make_current (display, context);
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else
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g_assert_not_reached ();
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return FALSE;
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}
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gboolean
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gdk_x11_display_init_gl (GdkX11Display *self,
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Visual **out_visual,
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int *out_depth)
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{
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GdkDisplay *display G_GNUC_UNUSED = GDK_DISPLAY (self);
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if (GDK_DISPLAY_DEBUG_CHECK (display, GL_DISABLE))
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return FALSE;
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if (!GDK_DISPLAY_DEBUG_CHECK (display, GL_GLX))
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{
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/* We favour EGL */
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if (gdk_x11_display_init_egl (self, out_visual, out_depth))
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return TRUE;
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}
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if (gdk_x11_display_init_glx (self, out_visual, out_depth))
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return TRUE;
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return FALSE;
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}
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