/*< private >*/
void
_gdk_gl_context_set_gl_drawable (GdkGLContext *glcontext,
GdkGLDrawable *gldrawable)
{
GdkGLContextImplWin32 *impl = GDK_GL_CONTEXT_IMPL_WIN32 (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));
}
}
/**
* gdk_gl_drawable_is_double_buffered:
* @gldrawable: a #GdkGLDrawable.
*
* Returns whether the @gldrawable supports the double-buffered visual.
*
* Return value: TRUE if the double-buffered visual is supported,
* FALSE otherwise.
**/
gboolean
gdk_gl_drawable_is_double_buffered (GdkGLDrawable *gldrawable)
{
g_return_val_if_fail (GDK_IS_GL_DRAWABLE (gldrawable), FALSE);
return GDK_GL_DRAWABLE_GET_CLASS (gldrawable)->is_double_buffered (gldrawable);
}
/**
* gdk_gl_drawable_swap_buffers:
* @gldrawable: a #GdkGLDrawable.
*
* Exchange front and back buffers.
*
**/
void
gdk_gl_drawable_swap_buffers (GdkGLDrawable *gldrawable)
{
g_return_if_fail (GDK_IS_GL_DRAWABLE (gldrawable));
GDK_GL_DRAWABLE_GET_CLASS (gldrawable)->swap_buffers (gldrawable);
}
/**
* gdk_gl_drawable_get_gl_config:
* @gldrawable: a #GdkGLDrawable.
*
* Gets #GdkGLConfig with which the @gldrawable is configured.
*
* Return value: the #GdkGLConfig.
**/
GdkGLConfig *
gdk_gl_drawable_get_gl_config (GdkGLDrawable *gldrawable)
{
g_return_val_if_fail (GDK_IS_GL_DRAWABLE (gldrawable), NULL);
return GDK_GL_DRAWABLE_GET_CLASS (gldrawable)->get_gl_config (gldrawable);
}
/**
* gdk_gl_drawable_gl_end:
* @gldrawable: a #GdkGLDrawable.
*
* Delimits the end of the OpenGL execution.
*
**/
void
gdk_gl_drawable_gl_end (GdkGLDrawable *gldrawable)
{
g_return_if_fail (GDK_IS_GL_DRAWABLE (gldrawable));
GDK_GL_DRAWABLE_GET_CLASS (gldrawable)->gl_end (gldrawable);
}
/**
* gdk_gl_drawable_get_size:
* @gldrawable: a #GdkGLDrawable.
* @width: location to store drawable's width, or NULL.
* @height: location to store drawable's height, or NULL.
*
* Fills *width and *height with the size of GL drawable.
* width or height can be NULL if you only want the other one.
*
**/
void
gdk_gl_drawable_get_size (GdkGLDrawable *gldrawable,
gint *width,
gint *height)
{
g_return_if_fail (GDK_IS_GL_DRAWABLE (gldrawable));
GDK_GL_DRAWABLE_GET_CLASS (gldrawable)->get_size (gldrawable, width, height);
}
/**
* gdk_gl_drawable_make_current:
* @gldrawable: a #GdkGLDrawable.
* @glcontext: a #GdkGLContext.
*
* Attach an OpenGL rendering context to a @gldrawable.
*
* Return value: TRUE if it is successful, FALSE otherwise.
**/
gboolean
gdk_gl_drawable_make_current (GdkGLDrawable *gldrawable,
GdkGLContext *glcontext)
{
g_return_val_if_fail (GDK_IS_GL_DRAWABLE (gldrawable), FALSE);
return GDK_GL_DRAWABLE_GET_CLASS (gldrawable)->make_context_current (gldrawable,
gldrawable,
glcontext);
}
/**
* gdk_gl_context_new:
* @gldrawable: a #GdkGLDrawable.
* @share_list: the #GdkGLContext with which to share display lists and texture
* objects. NULL indicates that no sharing is to take place.
* @direct: whether rendering is to be done with a direct connection to
* the graphics system.
* @render_type: GDK_GL_RGBA_TYPE or GDK_GL_COLOR_INDEX_TYPE (currently not
* used).
*
* Creates a new OpenGL rendering context.
*
* Return value: the new #GdkGLContext.
**/
GdkGLContext *
gdk_gl_context_new (GdkGLDrawable *gldrawable,
GdkGLContext *share_list,
gboolean direct,
int render_type)
{
g_return_val_if_fail (GDK_IS_GL_DRAWABLE (gldrawable), NULL);
return GDK_GL_DRAWABLE_GET_CLASS (gldrawable)->create_new_context (gldrawable,
share_list,
direct,
render_type);
}
