diff options
Diffstat (limited to 'plugins/gtkui/gtkglext-gtk2/gdk/win32/gdkglpixmap-win32.c')
| -rw-r--r-- | plugins/gtkui/gtkglext-gtk2/gdk/win32/gdkglpixmap-win32.c | 532 |
1 files changed, 0 insertions, 532 deletions
diff --git a/plugins/gtkui/gtkglext-gtk2/gdk/win32/gdkglpixmap-win32.c b/plugins/gtkui/gtkglext-gtk2/gdk/win32/gdkglpixmap-win32.c deleted file mode 100644 index 093297f6..00000000 --- a/plugins/gtkui/gtkglext-gtk2/gdk/win32/gdkglpixmap-win32.c +++ /dev/null @@ -1,532 +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" -#include "gdkglpixmap-win32.h" - -static void gdk_gl_pixmap_sync_gl (GdkGLPixmap *glpixmap); -static void gdk_gl_pixmap_sync_gdk (GdkGLPixmap *glpixmap); - -static gboolean gdk_gl_pixmap_impl_win32_make_context_current (GdkGLDrawable *draw, - GdkGLDrawable *read, - GdkGLContext *glcontext); -static gboolean gdk_gl_pixmap_impl_win32_is_double_buffered (GdkGLDrawable *gldrawable); -static void gdk_gl_pixmap_impl_win32_swap_buffers (GdkGLDrawable *gldrawable); -static void gdk_gl_pixmap_impl_win32_wait_gl (GdkGLDrawable *gldrawable); -static void gdk_gl_pixmap_impl_win32_wait_gdk (GdkGLDrawable *gldrawable); -static gboolean gdk_gl_pixmap_impl_win32_gl_begin (GdkGLDrawable *draw, - GdkGLDrawable *read, - GdkGLContext *glcontext); -static void gdk_gl_pixmap_impl_win32_gl_end (GdkGLDrawable *gldrawable); -static GdkGLConfig *gdk_gl_pixmap_impl_win32_get_gl_config (GdkGLDrawable *gldrawable); - -static void gdk_gl_pixmap_impl_win32_class_init (GdkGLPixmapImplWin32Class *klass); -static void gdk_gl_pixmap_impl_win32_finalize (GObject *object); -static void gdk_gl_pixmap_impl_win32_gl_drawable_interface_init (GdkGLDrawableClass *iface); - -static gpointer parent_class = NULL; - -GType -gdk_gl_pixmap_impl_win32_get_type (void) -{ - static GType type = 0; - - if (!type) - { - static const GTypeInfo type_info = { - sizeof (GdkGLPixmapImplWin32Class), - (GBaseInitFunc) NULL, - (GBaseFinalizeFunc) NULL, - (GClassInitFunc) gdk_gl_pixmap_impl_win32_class_init, - (GClassFinalizeFunc) NULL, - NULL, /* class_data */ - sizeof (GdkGLPixmapImplWin32), - 0, /* n_preallocs */ - (GInstanceInitFunc) NULL - }; - static const GInterfaceInfo gl_drawable_interface_info = { - (GInterfaceInitFunc) gdk_gl_pixmap_impl_win32_gl_drawable_interface_init, - (GInterfaceFinalizeFunc) NULL, - NULL /* interface_data */ - }; - - type = g_type_register_static (GDK_TYPE_GL_PIXMAP, - "GdkGLPixmapImplWin32", - &type_info, 0); - g_type_add_interface_static (type, - GDK_TYPE_GL_DRAWABLE, - &gl_drawable_interface_info); - } - - return type; -} - -static void -gdk_gl_pixmap_impl_win32_class_init (GdkGLPixmapImplWin32Class *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_pixmap_impl_win32_finalize; -} - -void -_gdk_gl_pixmap_destroy (GdkGLPixmap *glpixmap) -{ - GdkGLPixmapImplWin32 *impl = GDK_GL_PIXMAP_IMPL_WIN32 (glpixmap); - - GDK_GL_NOTE_FUNC_PRIVATE (); - - if (impl->is_destroyed) - return; - - if (impl->hdc_gl == wglGetCurrentDC ()) - { - glFinish (); - - GDK_GL_NOTE_FUNC_IMPL ("wglMakeCurrent"); - wglMakeCurrent (NULL, NULL); - } - - DeleteDC (impl->hdc_gl); - impl->hdc_gl = NULL; - - DeleteDC (impl->hdc_gdk); - impl->hdc_gdk = NULL; - - g_object_unref (G_OBJECT (impl->pixmap_gl)); - impl->pixmap_gl = NULL; - - impl->is_destroyed = TRUE; -} - -static void -gdk_gl_pixmap_impl_win32_finalize (GObject *object) -{ - GdkGLPixmapImplWin32 *impl = GDK_GL_PIXMAP_IMPL_WIN32 (object); - - GDK_GL_NOTE_FUNC_PRIVATE (); - - _gdk_gl_pixmap_destroy (GDK_GL_PIXMAP (object)); - - g_object_unref (G_OBJECT (impl->glconfig)); - - G_OBJECT_CLASS (parent_class)->finalize (object); -} - -static void -gdk_gl_pixmap_impl_win32_gl_drawable_interface_init (GdkGLDrawableClass *iface) -{ - GDK_GL_NOTE_FUNC_PRIVATE (); - - iface->create_new_context = _gdk_win32_gl_context_new; - iface->make_context_current = gdk_gl_pixmap_impl_win32_make_context_current; - iface->is_double_buffered = gdk_gl_pixmap_impl_win32_is_double_buffered; - iface->swap_buffers = gdk_gl_pixmap_impl_win32_swap_buffers; - iface->wait_gl = gdk_gl_pixmap_impl_win32_wait_gl; - iface->wait_gdk = gdk_gl_pixmap_impl_win32_wait_gdk; - iface->gl_begin = gdk_gl_pixmap_impl_win32_gl_begin; - iface->gl_end = gdk_gl_pixmap_impl_win32_gl_end; - iface->get_gl_config = gdk_gl_pixmap_impl_win32_get_gl_config; - iface->get_size = _gdk_gl_pixmap_get_size; -} - -/* - * attrib_list is currently unused. This must be set to NULL or empty - * (first attribute of None). See GLX 1.3 spec. - */ -GdkGLPixmap * -gdk_gl_pixmap_new (GdkGLConfig *glconfig, - GdkPixmap *pixmap, - const int *attrib_list) -{ - GdkGLPixmap *glpixmap; - GdkGLPixmapImplWin32 *impl; - - gint width, height; - gint depth; - GdkPixmap *pixmap_gl = NULL; - - HBITMAP hbitmap_gl; - HDC hdc_gl = NULL; - PIXELFORMATDESCRIPTOR pfd; - int pixel_format; - - HBITMAP hbitmap_gdk; - HDC hdc_gdk = NULL; - - GDK_GL_NOTE_FUNC (); - - g_return_val_if_fail (GDK_IS_GL_CONFIG_IMPL_WIN32 (glconfig), NULL); - g_return_val_if_fail (GDK_IS_PIXMAP (pixmap), NULL); - - /* - * Create offscreen rendering area. - */ - - gdk_drawable_get_size (GDK_DRAWABLE (pixmap), &width, &height); - depth = gdk_drawable_get_depth (GDK_DRAWABLE (pixmap)); - - pixmap_gl = gdk_pixmap_new (NULL, width, height, depth); - if (pixmap_gl == NULL) - goto FAIL; - - /* - * Source (OpenGL) DIB - */ - - hbitmap_gl = (HBITMAP) gdk_win32_drawable_get_handle (GDK_DRAWABLE (pixmap_gl)); - - /* Create a memory DC. */ - hdc_gl = CreateCompatibleDC (NULL); - if (hdc_gl == NULL) - { - g_warning ("cannot create a memory DC"); - goto FAIL; - } - - /* Select the bitmap. */ - if (SelectObject (hdc_gl, hbitmap_gl) == NULL) - { - g_warning ("cannot select DIB"); - goto FAIL; - } - - /* - * Choose pixel format. - */ - - pfd = *(GDK_GL_CONFIG_PFD (glconfig)); - /* Draw to bitmap */ - pfd.dwFlags &= ~PFD_DRAW_TO_WINDOW; - pfd.dwFlags |= PFD_DRAW_TO_BITMAP; - - /* Request pfd.cColorBits should exclude alpha bitplanes. */ - pfd.cColorBits = pfd.cRedBits + pfd.cGreenBits + pfd.cBlueBits; - - GDK_GL_NOTE_FUNC_IMPL ("ChoosePixelFormat"); - - pixel_format = ChoosePixelFormat (hdc_gl, &pfd); - if (pixel_format == 0) - { - g_warning ("cannot choose pixel format"); - goto FAIL; - } - - /* - * Set pixel format. - */ - - GDK_GL_NOTE_FUNC_IMPL ("SetPixelFormat"); - - if (!SetPixelFormat (hdc_gl, pixel_format, &pfd)) - { - g_warning ("cannot set pixel format"); - goto FAIL; - } - - DescribePixelFormat (hdc_gl, pixel_format, sizeof (pfd), &pfd); - - GDK_GL_NOTE (MISC, g_message (" -- impl->pixel_format = 0x%x", pixel_format)); - GDK_GL_NOTE (MISC, _gdk_win32_gl_print_pfd (&pfd)); - - /* - * Destination (GDK) DIB - */ - - hbitmap_gdk = (HBITMAP) gdk_win32_drawable_get_handle (GDK_DRAWABLE (pixmap)); - - /* Create a memory DC. */ - hdc_gdk = CreateCompatibleDC (hdc_gl); - if (hdc_gdk == NULL) - { - g_warning ("cannot create a memory DC"); - goto FAIL; - } - - /* - * Instantiate the GdkGLPixmapImplWin32 object. - */ - - glpixmap = g_object_new (GDK_TYPE_GL_PIXMAP_IMPL_WIN32, NULL); - impl = GDK_GL_PIXMAP_IMPL_WIN32 (glpixmap); - - glpixmap->drawable = GDK_DRAWABLE (pixmap); - g_object_add_weak_pointer (G_OBJECT (glpixmap->drawable), - (gpointer *) &(glpixmap->drawable)); - - impl->pixmap_gl = pixmap_gl; - - impl->width = width; - impl->height = height; - - impl->pfd = pfd; - impl->pixel_format = pixel_format; - - impl->glconfig = glconfig; - g_object_ref (G_OBJECT (impl->glconfig)); - - impl->hdc_gl = hdc_gl; - - impl->hdc_gdk = hdc_gdk; - impl->hbitmap_gdk = hbitmap_gdk; - - impl->is_destroyed = FALSE; - - return glpixmap; - - FAIL: - - if (hdc_gdk != NULL) - DeleteDC (hdc_gdk); - - if (hdc_gl != NULL) - DeleteDC (hdc_gl); - - if (pixmap_gl != NULL) - g_object_unref (G_OBJECT (pixmap_gl)); - - return NULL; -} - -static void -gdk_gl_pixmap_sync_gl (GdkGLPixmap *glpixmap) -{ - GdkGLPixmapImplWin32 *impl; - int width, height; - HBITMAP hbitmap_old; - - g_return_if_fail (GDK_IS_GL_PIXMAP_IMPL_WIN32 (glpixmap)); - - GDK_GL_NOTE_FUNC_PRIVATE (); - - impl = GDK_GL_PIXMAP_IMPL_WIN32 (glpixmap); - - width = impl->width; - height = impl->height; - - /* - * Copy OpenGL bitmap to GDK bitmap. - */ - - hbitmap_old = SelectObject (impl->hdc_gdk, impl->hbitmap_gdk); - if (hbitmap_old == NULL) - { - g_warning ("cannot select DIB"); - return; - } - - if (!StretchBlt (impl->hdc_gdk, 0, 0, width, height, - impl->hdc_gl, 0, height, width, -height, - SRCCOPY)) - g_warning ("StretchBlt() failed"); - - SelectObject (impl->hdc_gdk, hbitmap_old); -} - -static void -gdk_gl_pixmap_sync_gdk (GdkGLPixmap *glpixmap) -{ - GdkGLPixmapImplWin32 *impl; - int width, height; - HBITMAP hbitmap_old; - - g_return_if_fail (GDK_IS_GL_PIXMAP_IMPL_WIN32 (glpixmap)); - - GDK_GL_NOTE_FUNC_PRIVATE (); - - impl = GDK_GL_PIXMAP_IMPL_WIN32 (glpixmap); - - width = impl->width; - height = impl->height; - - /* - * Copy GDK bitmap to OpenGL bitmap. - */ - - hbitmap_old = SelectObject (impl->hdc_gdk, impl->hbitmap_gdk); - if (hbitmap_old == NULL) - { - g_warning ("cannot select DIB"); - return; - } - - if (!StretchBlt (impl->hdc_gl, 0, 0, width, height, - impl->hdc_gdk, 0, height, width, -height, - SRCCOPY)) - g_warning ("StretchBlt() failed"); - - SelectObject (impl->hdc_gdk, hbitmap_old); -} - -static gboolean -gdk_gl_pixmap_impl_win32_make_context_current (GdkGLDrawable *draw, - GdkGLDrawable *read, - GdkGLContext *glcontext) -{ - GdkGLPixmapImplWin32 *impl; - HDC hdc; - HGLRC hglrc; - - g_return_val_if_fail (GDK_IS_GL_PIXMAP_IMPL_WIN32 (draw), FALSE); - g_return_val_if_fail (GDK_IS_GL_CONTEXT_IMPL_WIN32 (glcontext), FALSE); - - if (GDK_GL_PIXMAP_IS_DESTROYED (draw) || - GDK_GL_CONTEXT_IS_DESTROYED (glcontext)) - return FALSE; - - impl = GDK_GL_PIXMAP_IMPL_WIN32 (draw); - - /* Get DC. */ - hdc = GDK_GL_PIXMAP_IMPL_WIN32_HDC_GET (impl); - - /* Get GLRC. */ - hglrc = GDK_GL_CONTEXT_HGLRC (glcontext); - - GDK_GL_NOTE_FUNC_IMPL ("wglMakeCurrent"); - - if (!wglMakeCurrent (hdc, hglrc)) - { - _gdk_gl_context_set_gl_drawable (glcontext, NULL); - /* currently unused. */ - /* _gdk_gl_context_set_gl_drawable_read (glcontext, NULL); */ - return FALSE; - } - - _gdk_gl_context_set_gl_drawable (glcontext, draw); - /* currently unused. */ - /* _gdk_gl_context_set_gl_drawable_read (glcontext, read); */ - - if (_GDK_GL_CONFIG_AS_SINGLE_MODE (impl->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 ()); - - /* Do *NOT* release DC. */ - - return TRUE; -} - -static gboolean -gdk_gl_pixmap_impl_win32_is_double_buffered (GdkGLDrawable *gldrawable) -{ - g_return_val_if_fail (GDK_IS_GL_PIXMAP_IMPL_WIN32 (gldrawable), FALSE); - - return gdk_gl_config_is_double_buffered (GDK_GL_PIXMAP_IMPL_WIN32 (gldrawable)->glconfig); -} - -static void -gdk_gl_pixmap_impl_win32_swap_buffers (GdkGLDrawable *gldrawable) -{ - GdkGLPixmapImplWin32 *impl; - HDC hdc; - - g_return_if_fail (GDK_IS_GL_PIXMAP_IMPL_WIN32 (gldrawable)); - - if (GDK_GL_PIXMAP_IS_DESTROYED (gldrawable)) - return; - - impl = GDK_GL_PIXMAP_IMPL_WIN32 (gldrawable); - - /* Get DC. */ - hdc = GDK_GL_PIXMAP_IMPL_WIN32_HDC_GET (impl); - - GDK_GL_NOTE_FUNC_IMPL ("SwapBuffers"); - - SwapBuffers (hdc); - - /* Release DC. */ - /* GDK_GL_PIXMAP_IMPL_WIN32_HDC_RELEASE (impl); */ -} - -static void -gdk_gl_pixmap_impl_win32_wait_gl (GdkGLDrawable *gldrawable) -{ - glFinish (); - - /* Sync. */ - gdk_gl_pixmap_sync_gl (GDK_GL_PIXMAP (gldrawable)); -} - -static void -gdk_gl_pixmap_impl_win32_wait_gdk (GdkGLDrawable *gldrawable) -{ - GdiFlush (); - - /* Sync. */ - gdk_gl_pixmap_sync_gdk (GDK_GL_PIXMAP (gldrawable)); -} - -static gboolean -gdk_gl_pixmap_impl_win32_gl_begin (GdkGLDrawable *draw, - GdkGLDrawable *read, - GdkGLContext *glcontext) -{ - gboolean ret; - - ret = gdk_gl_pixmap_impl_win32_make_context_current (draw, read, glcontext); - if (!ret) - return FALSE; - - gdk_gl_pixmap_impl_win32_wait_gdk (draw); - - return TRUE; -} - -static void -gdk_gl_pixmap_impl_win32_gl_end (GdkGLDrawable *gldrawable) -{ - gdk_gl_pixmap_impl_win32_wait_gl (gldrawable); -} - -static GdkGLConfig * -gdk_gl_pixmap_impl_win32_get_gl_config (GdkGLDrawable *gldrawable) -{ - g_return_val_if_fail (GDK_IS_GL_PIXMAP_IMPL_WIN32 (gldrawable), NULL); - - return GDK_GL_PIXMAP_IMPL_WIN32 (gldrawable)->glconfig; -} - -PIXELFORMATDESCRIPTOR * -gdk_win32_gl_pixmap_get_pfd (GdkGLPixmap *glpixmap) -{ - g_return_val_if_fail (GDK_IS_GL_PIXMAP_IMPL_WIN32 (glpixmap), NULL); - - return &(GDK_GL_PIXMAP_IMPL_WIN32 (glpixmap)->pfd); -} - -int -gdk_win32_gl_pixmap_get_pixel_format (GdkGLPixmap *glpixmap) -{ - g_return_val_if_fail (GDK_IS_GL_PIXMAP_IMPL_WIN32 (glpixmap), 0); - - return GDK_GL_PIXMAP_IMPL_WIN32 (glpixmap)->pixel_format; -} |