diff options
Diffstat (limited to 'plugins/gtkui/gtkglext-gtk3/gdk/x11/gdkglcontext-x11.c')
| -rw-r--r-- | plugins/gtkui/gtkglext-gtk3/gdk/x11/gdkglcontext-x11.c | 591 |
1 files changed, 0 insertions, 591 deletions
diff --git a/plugins/gtkui/gtkglext-gtk3/gdk/x11/gdkglcontext-x11.c b/plugins/gtkui/gtkglext-gtk3/gdk/x11/gdkglcontext-x11.c deleted file mode 100644 index 5fc0be54..00000000 --- a/plugins/gtkui/gtkglext-gtk3/gdk/x11/gdkglcontext-x11.c +++ /dev/null @@ -1,591 +0,0 @@ -/* GdkGLExt - OpenGL Extension to GDK - * Copyright (C) 2002-2004 Naofumi Yasufuku - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <gdk/gdk.h> /* for gdk_error_trap_(push|pop) () */ - -#include "gdkglx.h" -#include "gdkglprivate-x11.h" -#include "gdkglconfig-x11.h" -#include "gdkglwindow-x11.h" -#include "gdkglcontext-x11.h" - -static void gdk_gl_context_insert (GdkGLContext *glcontext); -static void gdk_gl_context_remove (GdkGLContext *glcontext); -static GdkGLContext *gdk_gl_context_lookup (GLXContext glxcontext); - -static gboolean _gdk_x11_gl_context_impl_copy (GdkGLContext *glcontext, - GdkGLContext *src, - unsigned long mask); -static GdkGLDrawable* _gdk_x11_gl_context_impl_get_gl_drawable (GdkGLContext *glcontext); -static GdkGLConfig* _gdk_x11_gl_context_impl_get_gl_config (GdkGLContext *glcontext); -static GdkGLContext* _gdk_x11_gl_context_impl_get_share_list (GdkGLContext *glcontext); -static gboolean _gdk_x11_gl_context_impl_is_direct (GdkGLContext *glcontext); -static int _gdk_x11_gl_context_impl_get_render_type (GdkGLContext *glcontext); -static gboolean _gdk_x11_gl_context_impl_make_current (GdkGLContext *glcontext, - GdkGLDrawable *draw, - GdkGLDrawable *read); -static GLXContext _gdk_x11_gl_context_impl_get_glxcontext (GdkGLContext *glcontext); - -G_DEFINE_TYPE (GdkGLContextImplX11, \ - gdk_gl_context_impl_x11, \ - GDK_TYPE_GL_CONTEXT_IMPL) - -static void -gdk_gl_context_impl_x11_init (GdkGLContextImplX11 *self) -{ - GDK_GL_NOTE_FUNC_PRIVATE (); - - self->glxcontext = NULL; - self->share_list = NULL; - self->is_direct = FALSE; - self->render_type = 0; - self->glconfig = NULL; - self->gldrawable = NULL; - self->gldrawable_read = NULL; - self->is_destroyed = 0; - self->is_foreign = 0; -} - -void -_gdk_gl_context_destroy (GdkGLContext *glcontext) -{ - GdkGLContextImplX11 *impl = GDK_GL_CONTEXT_IMPL_X11 (glcontext->impl); - Display *xdisplay; - - GDK_GL_NOTE_FUNC_PRIVATE (); - - if (impl->is_destroyed) - return; - - gdk_gl_context_remove (glcontext); - - xdisplay = GDK_GL_CONFIG_XDISPLAY (impl->glconfig); - - if (impl->glxcontext == glXGetCurrentContext ()) - { - glXWaitGL (); - - GDK_GL_NOTE_FUNC_IMPL ("glXMakeCurrent"); - glXMakeCurrent (xdisplay, None, NULL); - } - - if (!impl->is_foreign) - { - GDK_GL_NOTE_FUNC_IMPL ("glXDestroyContext"); - glXDestroyContext (xdisplay, impl->glxcontext); - impl->glxcontext = NULL; - } - - if (impl->gldrawable != NULL) - { - g_object_remove_weak_pointer (G_OBJECT (impl->gldrawable), - (gpointer *) &(impl->gldrawable)); - impl->gldrawable = NULL; - } - - /* currently unused. */ - /* - if (impl->gldrawable_read != NULL) - { - g_object_remove_weak_pointer (G_OBJECT (impl->gldrawable_read), - (gpointer *) &(impl->gldrawable_read)); - impl->gldrawable_read = NULL; - } - */ - - impl->is_destroyed = TRUE; -} - -static void -gdk_gl_context_impl_x11_finalize (GObject *object) -{ - GdkGLContextImplX11 *impl = GDK_GL_CONTEXT_IMPL_X11 (object); - - GDK_GL_NOTE_FUNC_PRIVATE (); - - _gdk_gl_context_destroy (GDK_GL_CONTEXT (object)); - - g_object_unref (G_OBJECT (impl->glconfig)); - - if (impl->share_list != NULL) - g_object_unref (G_OBJECT (impl->share_list)); - - G_OBJECT_CLASS (gdk_gl_context_impl_x11_parent_class)->finalize (object); -} - -static void -gdk_gl_context_impl_x11_class_init (GdkGLContextImplX11Class *klass) -{ - GObjectClass *object_class = G_OBJECT_CLASS (klass); - - GDK_GL_NOTE_FUNC_PRIVATE (); - - klass->get_glxcontext = _gdk_x11_gl_context_impl_get_glxcontext; - - klass->parent_class.copy_gl_context_impl = _gdk_x11_gl_context_impl_copy; - klass->parent_class.get_gl_drawable = _gdk_x11_gl_context_impl_get_gl_drawable; - klass->parent_class.get_gl_config = _gdk_x11_gl_context_impl_get_gl_config; - klass->parent_class.get_share_list = _gdk_x11_gl_context_impl_get_share_list; - klass->parent_class.is_direct = _gdk_x11_gl_context_impl_is_direct; - klass->parent_class.get_render_type = _gdk_x11_gl_context_impl_get_render_type; - klass->parent_class.make_current = _gdk_x11_gl_context_impl_make_current; - klass->parent_class.make_uncurrent = NULL; - - object_class->finalize = gdk_gl_context_impl_x11_finalize; -} - -static GdkGLContextImpl * -gdk_x11_gl_context_impl_new_common (GdkGLContext *glcontext, - GdkGLConfig *glconfig, - GdkGLContext *share_list, - int render_type, - GLXContext glxcontext, - gboolean is_foreign) -{ - GdkGLContextImpl *impl; - GdkGLContextImplX11 *x11_impl; - - Display *xdisplay; - - GDK_GL_NOTE_FUNC_PRIVATE (); - - /* - * Instantiate the GdkGLContextImplX11 object. - */ - - impl = g_object_new (GDK_TYPE_GL_CONTEXT_IMPL_X11, NULL); - x11_impl = GDK_GL_CONTEXT_IMPL_X11 (impl); - - x11_impl->glxcontext = glxcontext; - - if (share_list != NULL && GDK_IS_GL_CONTEXT (share_list)) - { - x11_impl->share_list = share_list; - g_object_ref (G_OBJECT (x11_impl->share_list)); - } - else - { - x11_impl->share_list = NULL; - } - - xdisplay = GDK_GL_CONFIG_XDISPLAY (glconfig); - x11_impl->is_direct = glXIsDirect (xdisplay, glxcontext) ? TRUE : FALSE; - - x11_impl->render_type = render_type; - - x11_impl->glconfig = glconfig; - g_object_ref (G_OBJECT (x11_impl->glconfig)); - - x11_impl->gldrawable = NULL; - x11_impl->gldrawable_read = NULL; - - x11_impl->is_foreign = is_foreign; - - x11_impl->is_destroyed = FALSE; - - glcontext->impl = impl; - - /* - * Insert into the GL context hash table. - */ - - gdk_gl_context_insert (glcontext); - - return impl; -} - -/*< private >*/ -GdkGLContextImpl * -_gdk_x11_gl_context_impl_new (GdkGLContext *glcontext, - GdkGLDrawable *gldrawable, - GdkGLContext *share_list, - gboolean direct, - int render_type) -{ - GdkGLConfig *glconfig; - GdkGLContextImplX11 *share_impl = NULL; - GLXContext share_glxcontext = NULL; - - Display *xdisplay; - XVisualInfo *xvinfo; - GLXContext glxcontext; - - GDK_GL_NOTE_FUNC_PRIVATE (); - - /* - * Create an OpenGL rendering context. - */ - - glconfig = gdk_gl_drawable_get_gl_config (gldrawable); - - xdisplay = GDK_GL_CONFIG_XDISPLAY (glconfig); - xvinfo = GDK_GL_CONFIG_XVINFO (glconfig); - - if (share_list != NULL && GDK_IS_GL_CONTEXT (share_list)) - { - share_impl = GDK_GL_CONTEXT_IMPL_X11 (share_list->impl); - share_glxcontext = share_impl->glxcontext; - } - - GDK_GL_NOTE_FUNC_IMPL ("glXCreateContext"); - - if (_gdk_gl_context_force_indirect) - { - GDK_GL_NOTE (MISC, g_message (" -- Force indirect")); - - glxcontext = glXCreateContext (xdisplay, - xvinfo, - share_glxcontext, - False); - } - else - { - glxcontext = glXCreateContext (xdisplay, - xvinfo, - share_glxcontext, - (direct == TRUE) ? True : False); - } - if (glxcontext == NULL) - return NULL; - - GDK_GL_NOTE (MISC, - g_message (" -- Context: screen number = %d", xvinfo->screen)); - GDK_GL_NOTE (MISC, - g_message (" -- Context: visual id = 0x%lx", xvinfo->visualid)); - - /* - * Instantiate the GdkGLContextImplX11 object. - */ - - return gdk_x11_gl_context_impl_new_common (glcontext, - glconfig, - share_list, - render_type, - glxcontext, - FALSE); -} - -GdkGLContextImpl * -_gdk_x11_gl_context_impl_new_from_glxcontext (GdkGLContext *glcontext, - GdkGLConfig *glconfig, - GdkGLContext *share_list, - GLXContext glxcontext) -{ - GDK_GL_NOTE_FUNC (); - - g_return_val_if_fail (GDK_IS_X11_GL_CONFIG (glconfig), NULL); - g_return_val_if_fail (glxcontext != NULL, NULL); - - /* - * Instantiate the GdkGLContextImplX11 object. - */ - - return gdk_x11_gl_context_impl_new_common (glcontext, - glconfig, - share_list, - GDK_GL_RGBA_TYPE, - glxcontext, - TRUE); -} - -static gboolean -_gdk_x11_gl_context_impl_copy (GdkGLContext *glcontext, - GdkGLContext *src, - unsigned long mask) -{ - GLXContext dst_glxcontext, src_glxcontext; - GdkGLConfig *glconfig; - - GDK_GL_NOTE_FUNC (); - - g_return_val_if_fail (GDK_IS_X11_GL_CONTEXT (glcontext), FALSE); - g_return_val_if_fail (GDK_IS_X11_GL_CONTEXT (src), FALSE); - - dst_glxcontext = GDK_GL_CONTEXT_GLXCONTEXT (glcontext); - if (dst_glxcontext == NULL) - return FALSE; - - src_glxcontext = GDK_GL_CONTEXT_GLXCONTEXT (src); - if (src_glxcontext == NULL) - return FALSE; - - glconfig = GDK_GL_CONTEXT_IMPL_X11 (glcontext->impl)->glconfig; - - gdk_error_trap_push (); - - glXCopyContext (GDK_GL_CONFIG_XDISPLAY (glconfig), - src_glxcontext, dst_glxcontext, - mask); - - return gdk_error_trap_pop () == Success; -} - -/*< private >*/ -void -_gdk_x11_gl_context_impl_set_gl_drawable (GdkGLContext *glcontext, - GdkGLDrawable *gldrawable) -{ - GdkGLContextImplX11 *impl = GDK_GL_CONTEXT_IMPL_X11 (glcontext->impl); - - GDK_GL_NOTE_FUNC_PRIVATE (); - - if (impl->gldrawable == gldrawable) - return; - - if (impl->gldrawable != NULL) - { - g_object_remove_weak_pointer (G_OBJECT (impl->gldrawable), - (gpointer *) &(impl->gldrawable)); - impl->gldrawable = NULL; - } - - if (gldrawable != NULL && GDK_IS_GL_DRAWABLE (gldrawable)) - { - impl->gldrawable = gldrawable; - g_object_add_weak_pointer (G_OBJECT (impl->gldrawable), - (gpointer *) &(impl->gldrawable)); - } -} - -/*< private >*/ -/* currently unused. */ -/* -void -_gdk_gl_context_set_gl_drawable_read (GdkGLContext *glcontext, - GdkGLDrawable *gldrawable_read) -{ - GdkGLContextImplX11 *impl = GDK_GL_CONTEXT_IMPL_X11 (glcontext); - - GDK_GL_NOTE_FUNC_PRIVATE (); - - if (impl->gldrawable_read == gldrawable_read) - return; - - if (impl->gldrawable_read != NULL) - { - g_object_remove_weak_pointer (G_OBJECT (impl->gldrawable_read), - (gpointer *) &(impl->gldrawable_read)); - impl->gldrawable_read = NULL; - } - - if (gldrawable_read != NULL && GDK_IS_GL_DRAWABLE (gldrawable_read)) - { - impl->gldrawable_read = gldrawable_read; - g_object_add_weak_pointer (G_OBJECT (impl->gldrawable_read), - (gpointer *) &(impl->gldrawable_read)); - } -} -*/ - -static GdkGLDrawable * -_gdk_x11_gl_context_impl_get_gl_drawable (GdkGLContext *glcontext) -{ - g_return_val_if_fail (GDK_IS_X11_GL_CONTEXT (glcontext), NULL); - - return GDK_GL_CONTEXT_IMPL_X11 (glcontext->impl)->gldrawable; -} - -static GdkGLConfig * -_gdk_x11_gl_context_impl_get_gl_config (GdkGLContext *glcontext) -{ - g_return_val_if_fail (GDK_IS_X11_GL_CONTEXT (glcontext), NULL); - - return GDK_GL_CONTEXT_IMPL_X11 (glcontext->impl)->glconfig; -} - -static GdkGLContext * -_gdk_x11_gl_context_impl_get_share_list (GdkGLContext *glcontext) -{ - g_return_val_if_fail (GDK_IS_X11_GL_CONTEXT (glcontext), NULL); - - return GDK_GL_CONTEXT_IMPL_X11 (glcontext->impl)->share_list; -} - -static gboolean -_gdk_x11_gl_context_impl_is_direct (GdkGLContext *glcontext) -{ - g_return_val_if_fail (GDK_IS_X11_GL_CONTEXT (glcontext), FALSE); - - return GDK_GL_CONTEXT_IMPL_X11 (glcontext->impl)->is_direct; -} - -static int -_gdk_x11_gl_context_impl_get_render_type (GdkGLContext *glcontext) -{ - g_return_val_if_fail (GDK_IS_X11_GL_CONTEXT (glcontext), 0); - - return GDK_GL_CONTEXT_IMPL_X11 (glcontext->impl)->render_type; -} - -static gboolean -_gdk_x11_gl_context_impl_make_current (GdkGLContext *glcontext, - GdkGLDrawable *draw, - GdkGLDrawable *read) -{ - GdkGLWindow *glwindow; - GdkGLWindowImplX11 *x11_impl; - GdkGLConfig *glconfig; - GdkWindow *window; - Window glxwindow; - GLXContext glxcontext; - - g_return_val_if_fail (GDK_IS_X11_GL_CONTEXT (glcontext), FALSE); - g_return_val_if_fail (GDK_IS_X11_GL_WINDOW (draw), FALSE); - - glwindow = GDK_GL_WINDOW(draw); - x11_impl = GDK_GL_WINDOW_IMPL_X11 (glwindow->impl); - glconfig = x11_impl->glconfig; - window = gdk_gl_window_get_window(glwindow); - glxwindow = x11_impl->glxwindow; - glxcontext = GDK_GL_CONTEXT_GLXCONTEXT (glcontext); - - if (glxwindow == None || glxcontext == NULL) - return FALSE; - - GDK_GL_NOTE (MISC, - g_message (" -- Window: screen number = %d", - GDK_SCREEN_XNUMBER (gdk_window_get_screen (window)))); - GDK_GL_NOTE (MISC, - g_message (" -- Window: visual id = 0x%lx", - GDK_VISUAL_XVISUAL (gdk_window_get_visual (window))->visualid)); - - GDK_GL_NOTE_FUNC_IMPL ("glXMakeCurrent"); - - if (!glXMakeCurrent (GDK_GL_CONFIG_XDISPLAY (glconfig), glxwindow, glxcontext)) - { - g_warning ("glXMakeCurrent() failed"); - _gdk_x11_gl_context_impl_set_gl_drawable (glcontext, NULL); - /* currently unused. */ - /* _gdk_gl_context_set_gl_drawable_read (glcontext, NULL); */ - return FALSE; - } - - _gdk_x11_gl_context_impl_set_gl_drawable (glcontext, draw); - /* currently unused. */ - /* _gdk_gl_context_set_gl_drawable_read (glcontext, read); */ - - if (_GDK_GL_CONFIG_AS_SINGLE_MODE (glconfig)) - { - /* We do this because we are treating a double-buffered frame - buffer as a single-buffered frame buffer because the system - does not appear to export any suitable single-buffered - visuals (in which the following are necessary). */ - glDrawBuffer (GL_FRONT); - glReadBuffer (GL_FRONT); - } - - GDK_GL_NOTE (MISC, _gdk_gl_print_gl_info ()); - - return TRUE; -} - -GdkGLContext * -_gdk_x11_gl_context_impl_get_current (void) -{ - static GdkGLContext *current = NULL; - GLXContext glxcontext; - - GDK_GL_NOTE_FUNC (); - - glxcontext = glXGetCurrentContext (); - - if (glxcontext == NULL) - return NULL; - - if (current && GDK_GL_CONTEXT_GLXCONTEXT (current) == glxcontext) - return current; - - current = gdk_gl_context_lookup (glxcontext); - - return current; -} - -GLXContext -_gdk_x11_gl_context_impl_get_glxcontext (GdkGLContext *glcontext) -{ - g_return_val_if_fail (GDK_IS_X11_GL_CONTEXT (glcontext), NULL); - - return GDK_GL_CONTEXT_IMPL_X11 (glcontext->impl)->glxcontext; -} - -/* - * GdkGLContext hash table. - */ - -static GHashTable *gl_context_ht = NULL; - -static void -gdk_gl_context_insert (GdkGLContext *glcontext) -{ - GdkGLContextImplX11 *impl; - - GDK_GL_NOTE_FUNC_PRIVATE (); - - if (gl_context_ht == NULL) - { - GDK_GL_NOTE (MISC, g_message (" -- Create GL context hash table.")); - - /* We do not know the storage type of GLXContext from the GLX - specification. We assume that it is a pointer as NULL values - are specified for this type---this is consistent with the SGI - and Mesa GLX implementations. */ - gl_context_ht = g_hash_table_new (g_direct_hash, - g_direct_equal); - } - - impl = GDK_GL_CONTEXT_IMPL_X11 (glcontext->impl); - - g_hash_table_insert (gl_context_ht, impl->glxcontext, glcontext); -} - -static void -gdk_gl_context_remove (GdkGLContext *glcontext) -{ - GdkGLContextImplX11 *impl; - - GDK_GL_NOTE_FUNC_PRIVATE (); - - if (gl_context_ht == NULL) - return; - - impl = GDK_GL_CONTEXT_IMPL_X11 (glcontext->impl); - - g_hash_table_remove (gl_context_ht, impl->glxcontext); - - if (g_hash_table_size (gl_context_ht) == 0) - { - GDK_GL_NOTE (MISC, g_message (" -- Destroy GL context hash table.")); - g_hash_table_destroy (gl_context_ht); - gl_context_ht = NULL; - } -} - -static GdkGLContext * -gdk_gl_context_lookup (GLXContext glxcontext) -{ - GDK_GL_NOTE_FUNC_PRIVATE (); - - if (gl_context_ht == NULL) - return NULL; - - return g_hash_table_lookup (gl_context_ht, glxcontext); -} |