diff options
Diffstat (limited to 'plugins/gtkui/gtkglext-gtk2/gdk/win32/gdkglcontext-win32.c')
| -rw-r--r-- | plugins/gtkui/gtkglext-gtk2/gdk/win32/gdkglcontext-win32.c | 490 |
1 files changed, 0 insertions, 490 deletions
diff --git a/plugins/gtkui/gtkglext-gtk2/gdk/win32/gdkglcontext-win32.c b/plugins/gtkui/gtkglext-gtk2/gdk/win32/gdkglcontext-win32.c deleted file mode 100644 index 408e080a..00000000 --- a/plugins/gtkui/gtkglext-gtk2/gdk/win32/gdkglcontext-win32.c +++ /dev/null @@ -1,490 +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. - */ - -#include "gdkglwin32.h" -#include "gdkglprivate-win32.h" -#include "gdkglconfig-win32.h" -#include "gdkglcontext-win32.h" - -static void gdk_gl_context_insert (GdkGLContext *glcontext); -static void gdk_gl_context_remove (GdkGLContext *glcontext); -static GdkGLContext *gdk_gl_context_lookup (HGLRC hglrc); -static guint gdk_gl_context_hash (HGLRC *hglrc); -static gboolean gdk_gl_context_equal (HGLRC *a, - HGLRC *b); - -static void gdk_gl_context_impl_win32_class_init (GdkGLContextImplWin32Class *klass); -static void gdk_gl_context_impl_win32_finalize (GObject *object); - -static gpointer parent_class = NULL; - -GType -gdk_gl_context_impl_win32_get_type (void) -{ - static GType type = 0; - - if (!type) - { - static const GTypeInfo type_info = { - sizeof (GdkGLContextImplWin32Class), - (GBaseInitFunc) NULL, - (GBaseFinalizeFunc) NULL, - (GClassInitFunc) gdk_gl_context_impl_win32_class_init, - (GClassFinalizeFunc) NULL, - NULL, /* class_data */ - sizeof (GdkGLContextImplWin32), - 0, /* n_preallocs */ - (GInstanceInitFunc) NULL - }; - - type = g_type_register_static (GDK_TYPE_GL_CONTEXT, - "GdkGLContextImplWin32", - &type_info, 0); - } - - return type; -} - -static void -gdk_gl_context_impl_win32_class_init (GdkGLContextImplWin32Class *klass) -{ - GObjectClass *object_class = G_OBJECT_CLASS (klass); - - GDK_GL_NOTE_FUNC_PRIVATE (); - - parent_class = g_type_class_peek_parent (klass); - - object_class->finalize = gdk_gl_context_impl_win32_finalize; -} - -void -_gdk_gl_context_destroy (GdkGLContext *glcontext) -{ - GdkGLContextImplWin32 *impl = GDK_GL_CONTEXT_IMPL_WIN32 (glcontext); - - GDK_GL_NOTE_FUNC_PRIVATE (); - - if (impl->is_destroyed) - return; - - gdk_gl_context_remove (glcontext); - - if (impl->hglrc == wglGetCurrentContext ()) - { - glFinish (); - - GDK_GL_NOTE_FUNC_IMPL ("wglMakeCurrent"); - wglMakeCurrent (NULL, NULL); - } - - if (!impl->is_foreign) - { - GDK_GL_NOTE_FUNC_IMPL ("wglDeleteContext"); - wglDeleteContext (impl->hglrc); - impl->hglrc = 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_win32_finalize (GObject *object) -{ - GdkGLContextImplWin32 *impl = GDK_GL_CONTEXT_IMPL_WIN32 (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 (parent_class)->finalize (object); -} - -static GdkGLContext * -gdk_gl_context_new_common (GdkGLConfig *glconfig, - GdkGLContext *share_list, - int render_type, - HGLRC hglrc, - gboolean is_foreign) -{ - GdkGLContext *glcontext; - GdkGLContextImplWin32 *impl; - - GDK_GL_NOTE_FUNC_PRIVATE (); - - /* - * Instantiate the GdkGLContextImplWin32 object. - */ - - glcontext = g_object_new (GDK_TYPE_GL_CONTEXT_IMPL_WIN32, NULL); - impl = GDK_GL_CONTEXT_IMPL_WIN32 (glcontext); - - impl->hglrc = hglrc; - - if (share_list != NULL && GDK_IS_GL_CONTEXT (share_list)) - { - impl->share_list = share_list; - g_object_ref (G_OBJECT (impl->share_list)); - } - else - { - impl->share_list = NULL; - } - - impl->render_type = render_type; - - impl->glconfig = glconfig; - g_object_ref (G_OBJECT (impl->glconfig)); - - impl->gldrawable = NULL; - impl->gldrawable_read = NULL; - - impl->is_foreign = is_foreign; - - impl->is_destroyed = FALSE; - - /* - * Insert into the GL context hash table. - */ - - gdk_gl_context_insert (glcontext); - - return glcontext; -} - -/*< private >*/ -GdkGLContext * -_gdk_win32_gl_context_new (GdkGLDrawable *gldrawable, - GdkGLContext *share_list, - gboolean direct, - int render_type) -{ - GdkGLConfig *glconfig; - HDC hdc; - HGLRC hglrc; - GdkGLContextImplWin32 *share_impl = NULL; - - GDK_GL_NOTE_FUNC_PRIVATE (); - - /* - * Create an OpenGL rendering context. - */ - - glconfig = gdk_gl_drawable_get_gl_config (gldrawable); - - /* Get DC. */ - hdc = gdk_win32_gl_drawable_hdc_get (gldrawable); - if (hdc == NULL) - return NULL; - - GDK_GL_NOTE_FUNC_IMPL ("wglCreateContext"); - - hglrc = wglCreateContext (hdc); - - /* Release DC. */ - gdk_win32_gl_drawable_hdc_release (gldrawable); - - if (hglrc == NULL) - return NULL; - - if (share_list != NULL && GDK_IS_GL_CONTEXT (share_list)) - { - GDK_GL_NOTE_FUNC_IMPL ("wglShareLists"); - - share_impl = GDK_GL_CONTEXT_IMPL_WIN32 (share_list); - if (!wglShareLists (share_impl->hglrc, hglrc)) - { - wglDeleteContext (hglrc); - return NULL; - } - } - - /* - * Instantiate the GdkGLContextImplWin32 object. - */ - - return gdk_gl_context_new_common (glconfig, - share_list, - render_type, - hglrc, - FALSE); -} - -GdkGLContext * -gdk_win32_gl_context_foreign_new (GdkGLConfig *glconfig, - GdkGLContext *share_list, - HGLRC hglrc) -{ - GDK_GL_NOTE_FUNC (); - - g_return_val_if_fail (GDK_IS_GL_CONFIG_IMPL_WIN32 (glconfig), NULL); - g_return_val_if_fail (hglrc != NULL, NULL); - - /* - * Instantiate the GdkGLContextImplWin32 object. - */ - - return gdk_gl_context_new_common (glconfig, - share_list, - (glconfig->is_rgba) ? GDK_GL_RGBA_TYPE : GDK_GL_COLOR_INDEX_TYPE, - hglrc, - TRUE); -} - -gboolean -gdk_gl_context_copy (GdkGLContext *glcontext, - GdkGLContext *src, - unsigned long mask) -{ - HGLRC dst_hglrc, src_hglrc; - - g_return_val_if_fail (GDK_IS_GL_CONTEXT_IMPL_WIN32 (glcontext), FALSE); - g_return_val_if_fail (GDK_IS_GL_CONTEXT_IMPL_WIN32 (src), FALSE); - - dst_hglrc = GDK_GL_CONTEXT_HGLRC (glcontext); - if (dst_hglrc == NULL) - return FALSE; - - src_hglrc = GDK_GL_CONTEXT_HGLRC (src); - if (src_hglrc == NULL) - return FALSE; - - GDK_GL_NOTE_FUNC_IMPL ("wglCopyContext"); - - return wglCopyContext (src_hglrc, dst_hglrc, mask); -} - -/*< private >*/ -void -_gdk_gl_context_set_gl_drawable (GdkGLContext *glcontext, - GdkGLDrawable *gldrawable) -{ - GdkGLContextImplWin32 *impl = GDK_GL_CONTEXT_IMPL_WIN32 (glcontext); - - 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) -{ - GdkGLContextImplWin32 *impl = GDK_GL_CONTEXT_IMPL_WIN32 (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)); - } -} -*/ - -GdkGLDrawable * -gdk_gl_context_get_gl_drawable (GdkGLContext *glcontext) -{ - g_return_val_if_fail (GDK_IS_GL_CONTEXT_IMPL_WIN32 (glcontext), NULL); - - return GDK_GL_CONTEXT_IMPL_WIN32 (glcontext)->gldrawable; -} - -GdkGLConfig * -gdk_gl_context_get_gl_config (GdkGLContext *glcontext) -{ - g_return_val_if_fail (GDK_IS_GL_CONTEXT_IMPL_WIN32 (glcontext), NULL); - - return GDK_GL_CONTEXT_IMPL_WIN32 (glcontext)->glconfig; -} - -GdkGLContext * -gdk_gl_context_get_share_list (GdkGLContext *glcontext) -{ - g_return_val_if_fail (GDK_IS_GL_CONTEXT_IMPL_WIN32 (glcontext), NULL); - - return GDK_GL_CONTEXT_IMPL_WIN32 (glcontext)->share_list; -} - -gboolean -gdk_gl_context_is_direct (GdkGLContext *glcontext) -{ - return FALSE; -} - -int -gdk_gl_context_get_render_type (GdkGLContext *glcontext) -{ - g_return_val_if_fail (GDK_IS_GL_CONTEXT_IMPL_WIN32 (glcontext), 0); - - return GDK_GL_CONTEXT_IMPL_WIN32 (glcontext)->render_type; -} - -GdkGLContext * -gdk_gl_context_get_current (void) -{ - static GdkGLContext *current = NULL; - HGLRC hglrc; - - GDK_GL_NOTE_FUNC (); - - hglrc = wglGetCurrentContext (); - - if (hglrc == NULL) - return NULL; - - if (current && GDK_GL_CONTEXT_HGLRC (current) == hglrc) - return current; - - current = gdk_gl_context_lookup (hglrc); - - return current; -} - -HGLRC -gdk_win32_gl_context_get_hglrc (GdkGLContext *glcontext) -{ - g_return_val_if_fail (GDK_IS_GL_CONTEXT_IMPL_WIN32 (glcontext), NULL); - - return GDK_GL_CONTEXT_IMPL_WIN32 (glcontext)->hglrc; -} - -/* - * GdkGLContext hash table. - */ - -static GHashTable *gl_context_ht = NULL; - -static void -gdk_gl_context_insert (GdkGLContext *glcontext) -{ - GdkGLContextImplWin32 *impl; - - GDK_GL_NOTE_FUNC_PRIVATE (); - - g_return_if_fail (GDK_IS_GL_CONTEXT_IMPL_WIN32 (glcontext)); - - if (gl_context_ht == NULL) - { - GDK_GL_NOTE (MISC, g_message (" -- Create GL context hash table.")); - gl_context_ht = g_hash_table_new ((GHashFunc) gdk_gl_context_hash, - (GEqualFunc) gdk_gl_context_equal); - } - - impl = GDK_GL_CONTEXT_IMPL_WIN32 (glcontext); - - g_hash_table_insert (gl_context_ht, &(impl->hglrc), glcontext); -} - -static void -gdk_gl_context_remove (GdkGLContext *glcontext) -{ - GdkGLContextImplWin32 *impl; - - GDK_GL_NOTE_FUNC_PRIVATE (); - - g_return_if_fail (GDK_IS_GL_CONTEXT_IMPL_WIN32 (glcontext)); - - if (gl_context_ht == NULL) - return; - - impl = GDK_GL_CONTEXT_IMPL_WIN32 (glcontext); - - g_hash_table_remove (gl_context_ht, &(impl->hglrc)); - - 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 (HGLRC hglrc) -{ - GDK_GL_NOTE_FUNC_PRIVATE (); - - if (gl_context_ht == NULL) - return NULL; - - return g_hash_table_lookup (gl_context_ht, &hglrc); -} - -static guint -gdk_gl_context_hash (HGLRC *hglrc) -{ - return (guint) *hglrc; -} - -static gboolean -gdk_gl_context_equal (HGLRC *a, - HGLRC *b) -{ - return (*a == *b); -} |