forked from AuroraMiddleware/gtk
cf94da2ca1
The update virtual function for GdkGLContext is unused and is a leftover from a previous GL approach. Just remove it. https://bugzilla.gnome.org/show_bug.cgi?id=739750
107 lines
3.5 KiB
C
107 lines
3.5 KiB
C
/* GDK - The GIMP Drawing Kit
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*
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* gdkmirglcontext.c: Mir specific OpenGL wrappers
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*
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* Copyright © 2014 Canonical Ltd
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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 "gdkmir-private.h"
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#include "gdkinternals.h"
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#include "gdkintl.h"
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G_DEFINE_TYPE (GdkMirGLContext, gdk_mir_gl_context, GDK_TYPE_GL_CONTEXT)
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static void
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gdk_mir_gl_context_end_frame (GdkGLContext *context,
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cairo_region_t *painted,
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cairo_region_t *damage)
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{
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GdkWindow *window = gdk_gl_context_get_window (context);
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GdkDisplay *display = gdk_window_get_display (window);
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GdkMirGLContext *context_mir = GDK_MIR_GL_CONTEXT (context);
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EGLDisplay egl_display = _gdk_mir_display_get_egl_display (display);
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EGLSurface egl_surface;
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gdk_gl_context_make_current (context);
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egl_surface = _gdk_mir_window_get_egl_surface (window,
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context_mir->egl_config);
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if (_gdk_mir_display_have_egl_swap_buffers_with_damage (display))
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{
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int i, j, n_rects = cairo_region_num_rectangles (damage);
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EGLint *rects = g_new (EGLint, n_rects * 4);
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cairo_rectangle_int_t rect;
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int window_height = gdk_window_get_height (window);
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for (i = 0, j = 0; i < n_rects; i++)
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{
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cairo_region_get_rectangle (damage, i, &rect);
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rects[j++] = rect.x;
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rects[j++] = window_height - rect.height - rect.y;
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rects[j++] = rect.width;
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rects[j++] = rect.height;
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}
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eglSwapBuffersWithDamageEXT (egl_display, egl_surface, rects, n_rects);
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g_free (rects);
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}
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else
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{
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eglSwapBuffers (egl_display, egl_surface);
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}
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}
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static void
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gdk_mir_gl_context_dispose (GObject *gobject)
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{
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GdkMirGLContext *context_mir = GDK_MIR_GL_CONTEXT (gobject);
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if (context_mir->egl_context != NULL)
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{
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GdkGLContext *context = GDK_GL_CONTEXT (gobject);
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GdkWindow *window = gdk_gl_context_get_window (context);
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GdkDisplay *display = gdk_window_get_display (window);
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EGLDisplay egl_display = _gdk_mir_display_get_egl_display (display);
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if (eglGetCurrentContext () == context_mir->egl_context)
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eglMakeCurrent (egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
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GDK_NOTE (OPENGL, g_print ("Destroying EGL context\n"));
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eglDestroyContext (egl_display, context_mir->egl_context);
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context_mir->egl_context = NULL;
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}
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G_OBJECT_CLASS (gdk_mir_gl_context_parent_class)->dispose (gobject);
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}
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static void
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gdk_mir_gl_context_class_init (GdkMirGLContextClass *klass)
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{
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GdkGLContextClass *context_class = GDK_GL_CONTEXT_CLASS (klass);
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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context_class->end_frame = gdk_mir_gl_context_end_frame;
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gobject_class->dispose = gdk_mir_gl_context_dispose;
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}
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static void
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gdk_mir_gl_context_init (GdkMirGLContext *self)
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{
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}
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