diff options
Diffstat (limited to 'plugins/gtkui/gtkglext-gtk2/gdk/gdkglconfig.c')
| -rw-r--r-- | plugins/gtkui/gtkglext-gtk2/gdk/gdkglconfig.c | 442 |
1 files changed, 0 insertions, 442 deletions
diff --git a/plugins/gtkui/gtkglext-gtk2/gdk/gdkglconfig.c b/plugins/gtkui/gtkglext-gtk2/gdk/gdkglconfig.c deleted file mode 100644 index 7743d05a..00000000 --- a/plugins/gtkui/gtkglext-gtk2/gdk/gdkglconfig.c +++ /dev/null @@ -1,442 +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 "gdkglprivate.h" -#include "gdkglconfig.h" - -#ifdef GDKGLEXT_MULTIHEAD_SUPPORT -#include <gdk/gdkscreen.h> -#endif /* GDKGLEXT_MULTIHEAD_SUPPORT */ - -gboolean _gdk_gl_config_no_standard_colormap = FALSE; - -static void gdk_gl_config_class_init (GdkGLConfigClass *klass); -static void gdk_gl_config_finalize (GObject *object); - -static gpointer parent_class = NULL; - -GType -gdk_gl_config_get_type (void) -{ - static GType type = 0; - - if (!type) - { - static const GTypeInfo type_info = { - sizeof (GdkGLConfigClass), - (GBaseInitFunc) NULL, - (GBaseFinalizeFunc) NULL, - (GClassInitFunc) gdk_gl_config_class_init, - (GClassFinalizeFunc) NULL, - NULL, /* class_data */ - sizeof (GdkGLConfig), - 0, /* n_preallocs */ - (GInstanceInitFunc) NULL - }; - - type = g_type_register_static (G_TYPE_OBJECT, - "GdkGLConfig", - &type_info, 0); - } - - return type; -} - -static void -gdk_gl_config_class_init (GdkGLConfigClass *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_config_finalize; -} - -static void -gdk_gl_config_finalize (GObject *object) -{ - GDK_GL_NOTE_FUNC_PRIVATE (); - - G_OBJECT_CLASS (parent_class)->finalize (object); -} - -static GdkGLConfig * -gdk_gl_config_new_ci (GdkScreen *screen, - GdkGLConfigMode mode) -{ - GdkGLConfig *glconfig = NULL; - static const int buf_size_list[] = { 16, 12, 8, 4, 2, 1, 0 }; - int list[32]; - int n = 0; - int i; - - list[n++] = GDK_GL_BUFFER_SIZE; - list[n++] = 1; - if (mode & GDK_GL_MODE_DOUBLE) - { - list[n++] = GDK_GL_DOUBLEBUFFER; - } - if (mode & GDK_GL_MODE_STEREO) - { - list[n++] = GDK_GL_STEREO; - } - if (mode & GDK_GL_MODE_DEPTH) - { - list[n++] = GDK_GL_DEPTH_SIZE; - list[n++] = 1; - } - if (mode & GDK_GL_MODE_STENCIL) - { - list[n++] = GDK_GL_STENCIL_SIZE; - list[n++] = 1; - } - list[n] = GDK_GL_ATTRIB_LIST_NONE; - - /* from GLUT */ - /* glXChooseVisual specify GLX_BUFFER_SIZE prefers the - "smallest index buffer of at least the specified size". - This would be reasonable if GLUT allowed the user to - specify the required buffe size, but GLUT's display mode - is too simplistic (easy to use?). GLUT should try to find - the "largest". So start with a large buffer size and - shrink until we find a matching one that exists. */ - - for (i = 0; buf_size_list[i]; i++) - { - /* XXX Assumes list[1] is where GDK_GL_BUFFER_SIZE parameter is. */ - list[1] = buf_size_list[i]; - -#ifdef GDKGLEXT_MULTIHEAD_SUPPORT - glconfig = gdk_gl_config_new_for_screen (screen, list); -#else /* GDKGLEXT_MULTIHEAD_SUPPORT */ - glconfig = gdk_gl_config_new (list); -#endif /* GDKGLEXT_MULTIHEAD_SUPPORT */ - - if (glconfig != NULL) - return glconfig; - } - - return NULL; -} - -static GdkGLConfig * -gdk_gl_config_new_rgb (GdkScreen *screen, - GdkGLConfigMode mode) -{ - int list[32]; - int n = 0; - - list[n++] = GDK_GL_RGBA; - list[n++] = GDK_GL_RED_SIZE; - list[n++] = 1; - list[n++] = GDK_GL_GREEN_SIZE; - list[n++] = 1; - list[n++] = GDK_GL_BLUE_SIZE; - list[n++] = 1; - if (mode & GDK_GL_MODE_ALPHA) - { - list[n++] = GDK_GL_ALPHA_SIZE; - list[n++] = 1; - } - if (mode & GDK_GL_MODE_DOUBLE) - { - list[n++] = GDK_GL_DOUBLEBUFFER; - } - if (mode & GDK_GL_MODE_STEREO) - { - list[n++] = GDK_GL_STEREO; - } - if (mode & GDK_GL_MODE_DEPTH) - { - list[n++] = GDK_GL_DEPTH_SIZE; - list[n++] = 1; - } - if (mode & GDK_GL_MODE_STENCIL) - { - list[n++] = GDK_GL_STENCIL_SIZE; - list[n++] = 1; - } - if (mode & GDK_GL_MODE_ACCUM) - { - list[n++] = GDK_GL_ACCUM_RED_SIZE; - list[n++] = 1; - list[n++] = GDK_GL_ACCUM_GREEN_SIZE; - list[n++] = 1; - list[n++] = GDK_GL_ACCUM_BLUE_SIZE; - list[n++] = 1; - if (mode & GDK_GL_MODE_ALPHA) - { - list[n++] = GDK_GL_ACCUM_ALPHA_SIZE; - list[n++] = 1; - } - } - list[n] = GDK_GL_ATTRIB_LIST_NONE; - -#ifdef GDKGLEXT_MULTIHEAD_SUPPORT - return gdk_gl_config_new_for_screen (screen, list); -#else /* GDKGLEXT_MULTIHEAD_SUPPORT */ - return gdk_gl_config_new (list); -#endif /* GDKGLEXT_MULTIHEAD_SUPPORT */ -} - -static GdkGLConfig * -gdk_gl_config_new_by_mode_common (GdkScreen *screen, - GdkGLConfigMode mode) -{ - GdkGLConfig *glconfig; - -#define _GL_CONFIG_NEW_BY_MODE(__screen, __mode) \ - ( ((__mode) & GDK_GL_MODE_INDEX) ? \ - gdk_gl_config_new_ci (__screen, __mode) : \ - gdk_gl_config_new_rgb (__screen, __mode) ) - - glconfig = _GL_CONFIG_NEW_BY_MODE (screen, mode); - if (glconfig == NULL) - { - /* Fallback cases when can't get exactly what was asked for... */ - if (!(mode & GDK_GL_MODE_DOUBLE)) - { - /* If we can't find a single buffered visual, try looking - for a double buffered visual. We can treat a double - buffered visual as a single buffered visual by changing - the draw buffer to GL_FRONT and treating any swap - buffers as no-ops. */ - mode |= GDK_GL_MODE_DOUBLE; - glconfig = _GL_CONFIG_NEW_BY_MODE (screen, mode); - if (glconfig != NULL) - glconfig->as_single_mode = TRUE; - } - } - -#undef _GL_CONFIG_NEW_BY_MODE - - return glconfig; -} - -/** - * gdk_gl_config_new_by_mode: - * @mode: display mode bit mask. - * - * Returns an OpenGL frame buffer configuration that match the specified - * display mode. - * - * Return value: the new #GdkGLConfig. - **/ -GdkGLConfig * -gdk_gl_config_new_by_mode (GdkGLConfigMode mode) -{ - GdkScreen *screen; - -#ifdef GDKGLEXT_MULTIHEAD_SUPPORT - screen = gdk_screen_get_default (); -#else /* GDKGLEXT_MULTIHEAD_SUPPORT */ - screen = NULL; -#endif - - return gdk_gl_config_new_by_mode_common (screen, mode); -} - -#ifdef GDKGLEXT_MULTIHEAD_SUPPORT - -/** - * gdk_gl_config_new_by_mode_for_screen: - * @screen: target screen. - * @mode: display mode bit mask. - * - * Returns an OpenGL frame buffer configuration that match the specified - * display mode. - * - * Return value: the new #GdkGLConfig. - **/ -GdkGLConfig * -gdk_gl_config_new_by_mode_for_screen (GdkScreen *screen, - GdkGLConfigMode mode) -{ - return gdk_gl_config_new_by_mode_common (screen, mode); -} - -#endif /* GDKGLEXT_MULTIHEAD_SUPPORT */ - -/** - * gdk_gl_config_get_layer_plane: - * @glconfig: a #GdkGLConfig. - * - * Gets the layer plane (level) of the frame buffer. - * Zero is the default frame buffer. - * Positive layer planes correspond to frame buffers that overlay the default - * buffer, and negative layer planes correspond to frame buffers that underlie - * the default frame buffer. - * - * Return value: layer plane. - **/ -gint -gdk_gl_config_get_layer_plane (GdkGLConfig *glconfig) -{ - g_return_val_if_fail (GDK_IS_GL_CONFIG (glconfig), 0); - - return glconfig->layer_plane; -} - -/** - * gdk_gl_config_get_n_aux_buffers: - * @glconfig: a #GdkGLConfig. - * - * Gets the number of auxiliary color buffers. - * - * Return value: number of auxiliary color buffers. - **/ -gint -gdk_gl_config_get_n_aux_buffers (GdkGLConfig *glconfig) -{ - g_return_val_if_fail (GDK_IS_GL_CONFIG (glconfig), 0); - - return glconfig->n_aux_buffers; -} - -/** - * gdk_gl_config_get_n_sample_buffers: - * @glconfig: a #GdkGLConfig. - * - * Gets the number of multisample buffers. - * - * Return value: number of multisample buffers. - **/ -gint -gdk_gl_config_get_n_sample_buffers (GdkGLConfig *glconfig) -{ - g_return_val_if_fail (GDK_IS_GL_CONFIG (glconfig), 0); - - return glconfig->n_sample_buffers; -} - -/** - * gdk_gl_config_is_rgba: - * @glconfig: a #GdkGLConfig. - * - * Returns whether the configured frame buffer is RGBA mode. - * - * Return value: TRUE if the configured frame buffer is RGBA mode, FALSE - * otherwise. - **/ -gboolean -gdk_gl_config_is_rgba (GdkGLConfig *glconfig) -{ - g_return_val_if_fail (GDK_IS_GL_CONFIG (glconfig), FALSE); - - return glconfig->is_rgba; -} - -/** - * gdk_gl_config_is_double_buffered: - * @glconfig: a #GdkGLConfig. - * - * Returns whether the configuration supports the double-buffered visual. - * - * Return value: TRUE if the double-buffered visual is supported, FALSE - * otherwise. - **/ -gboolean -gdk_gl_config_is_double_buffered (GdkGLConfig *glconfig) -{ - g_return_val_if_fail (GDK_IS_GL_CONFIG (glconfig), FALSE); - - return (glconfig->is_double_buffered && (!glconfig->as_single_mode)); -} - -/** - * gdk_gl_config_is_stereo: - * @glconfig: a #GdkGLConfig. - * - * Returns whether the configuration supports the stereo visual. - * - * Return value: TRUE if the stereo visual is supported, FALSE otherwise. - **/ -gboolean -gdk_gl_config_is_stereo (GdkGLConfig *glconfig) -{ - g_return_val_if_fail (GDK_IS_GL_CONFIG (glconfig), FALSE); - - return glconfig->is_stereo; -} - -/** - * gdk_gl_config_has_alpha: - * @glconfig: a #GdkGLConfig. - * - * Returns whether the configured color buffer has alpha bits. - * - * Return value: TRUE if the color buffer has alpha bits, FALSE otherwise. - **/ -gboolean -gdk_gl_config_has_alpha (GdkGLConfig *glconfig) -{ - g_return_val_if_fail (GDK_IS_GL_CONFIG (glconfig), FALSE); - - return glconfig->has_alpha; -} - -/** - * gdk_gl_config_has_depth_buffer: - * @glconfig: a #GdkGLConfig. - * - * Returns whether the configured frame buffer has depth buffer. - * - * Return value: TRUE if the frame buffer has depth buffer, FALSE otherwise. - **/ -gboolean -gdk_gl_config_has_depth_buffer (GdkGLConfig *glconfig) -{ - g_return_val_if_fail (GDK_IS_GL_CONFIG (glconfig), FALSE); - - return glconfig->has_depth_buffer; -} - -/** - * gdk_gl_config_has_stencil_buffer: - * @glconfig: a #GdkGLConfig. - * - * Returns whether the configured frame buffer has stencil buffer. - * - * Return value: TRUE if the frame buffer has stencil buffer, FALSE otherwise. - **/ -gboolean -gdk_gl_config_has_stencil_buffer (GdkGLConfig *glconfig) -{ - g_return_val_if_fail (GDK_IS_GL_CONFIG (glconfig), FALSE); - - return glconfig->has_stencil_buffer; -} - -/** - * gdk_gl_config_has_accum_buffer: - * @glconfig: a #GdkGLConfig. - * - * Returns whether the configured frame buffer has accumulation buffer. - * - * Return value: TRUE if the frame buffer has accumulation buffer, FALSE - * otherwise. - **/ -gboolean -gdk_gl_config_has_accum_buffer (GdkGLConfig *glconfig) -{ - g_return_val_if_fail (GDK_IS_GL_CONFIG (glconfig), FALSE); - - return glconfig->has_accum_buffer; -} |