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[638/906] window: add get_proc_address + stub for retrieving gl functions

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This commit is contained in:
Matthew Waters 2013-01-08 17:40:39 +11:00 committed by Tim-Philipp Müller
parent 87e5cd6777
commit 4a024734da
2 changed files with 49 additions and 2 deletions
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41
gst-libs/gst/gl/gstglwindow.c
View file

@ -22,6 +22,8 @@
# include "config.h" # include "config.h"
#endif #endif
#include <gmodule.h>
#include "gstglwindow.h" #include "gstglwindow.h"
#ifdef HAVE_WINDOW_X11 #ifdef HAVE_WINDOW_X11
@ -59,6 +61,8 @@ gst_gl_window_init (GstGLWindow * window)
static void static void
gst_gl_window_class_init (GstGLWindowClass * klass) gst_gl_window_class_init (GstGLWindowClass * klass)
{ {
klass->get_proc_address =
GST_DEBUG_FUNCPTR (gst_gl_window_default_get_proc_address);
} }
GstGLWindow * GstGLWindow *
@ -322,3 +326,40 @@ gst_gl_window_get_gl_api (GstGLWindow * window)
return ret; return ret;
} }
gpointer
gst_gl_window_get_proc_address (GstGLWindow * window, const gchar * name)
{
gpointer ret;
GstGLWindowClass *window_class;
g_return_val_if_fail (GST_GL_IS_WINDOW (window), NULL);
window_class = GST_GL_WINDOW_GET_CLASS (window);
g_return_val_if_fail (window_class->get_proc_address != NULL, NULL);
GST_GL_WINDOW_LOCK (window);
ret = window_class->get_proc_address (window, name);
GST_GL_WINDOW_UNLOCK (window);
return ret;
}
gpointer
gst_gl_window_default_get_proc_address (GstGLWindow * window,
const gchar * name)
{
static GModule *module = NULL;
gpointer ret = NULL;
if (!module)
module = g_module_open (NULL, G_MODULE_BIND_LAZY);
if (module) {
if (!g_module_symbol (module, name, &ret))
return NULL;
}
return ret;
}

10
gst-libs/gst/gl/gstglwindow.h
View file

@ -55,6 +55,8 @@ typedef enum
{ {
GST_GL_WINDOW_ERROR_FAILED, GST_GL_WINDOW_ERROR_FAILED,
GST_GL_WINDOW_ERROR_WRONG_CONFIG, GST_GL_WINDOW_ERROR_WRONG_CONFIG,
GST_GL_WINDOW_ERROR_WRONG_API,
GST_GL_WINDOW_ERROR_OLD_LIBS,
GST_GL_WINDOW_ERROR_CREATE_CONTEXT, GST_GL_WINDOW_ERROR_CREATE_CONTEXT,
GST_GL_WINDOW_ERROR_RESOURCE_UNAVAILABLE, GST_GL_WINDOW_ERROR_RESOURCE_UNAVAILABLE,
} GstGLWindowError; } GstGLWindowError;
@ -96,6 +98,7 @@ struct _GstGLWindowClass {
guintptr (*get_gl_context) (GstGLWindow *window); guintptr (*get_gl_context) (GstGLWindow *window);
GstGLAPI (*get_gl_api) (GstGLWindow *window); GstGLAPI (*get_gl_api) (GstGLWindow *window);
gpointer (*get_proc_address) (GstGLWindow *window, const gchar *name);
gboolean (*activate) (GstGLWindow *window, gboolean activate); gboolean (*activate) (GstGLWindow *window, gboolean activate);
void (*set_window_handle) (GstGLWindow *window, guintptr id); void (*set_window_handle) (GstGLWindow *window, guintptr id);
gboolean (*share_context) (GstGLWindow *window, guintptr external_gl_context); gboolean (*share_context) (GstGLWindow *window, guintptr external_gl_context);
@ -131,8 +134,11 @@ void gst_gl_window_run (GstGLWindow *window);
void gst_gl_window_quit (GstGLWindow *window, GstGLWindowCB callback, gpointer data); void gst_gl_window_quit (GstGLWindow *window, GstGLWindowCB callback, gpointer data);
void gst_gl_window_send_message (GstGLWindow *window, GstGLWindowCB callback, gpointer data); void gst_gl_window_send_message (GstGLWindow *window, GstGLWindowCB callback, gpointer data);
GstGLPlatform gst_gl_window_get_platform (GstGLWindow *window); gpointer gst_gl_window_get_proc_address (GstGLWindow *window, const gchar *name);
GstGLAPI gst_gl_window_get_gl_api (GstGLWindow *window); GstGLPlatform gst_gl_window_get_platform (GstGLWindow *window);
GstGLAPI gst_gl_window_get_gl_api (GstGLWindow *window);
gpointer gst_gl_window_default_get_proc_address (GstGLWindow *window, const gchar *name);
GST_DEBUG_CATEGORY_EXTERN (gst_gl_window_debug); GST_DEBUG_CATEGORY_EXTERN (gst_gl_window_debug);