glcontext: add more functionality to wrapped contexts

Implements get_current_context() and get_proc_address() for wrapped
contexts.

gst-libs/gst/gl/egl/gstglcontext_egl.c

@@ -51,8 +51,6 @@ static guintptr gst_gl_context_egl_get_gl_context (GstGLContext * context);
 static GstGLAPI gst_gl_context_egl_get_gl_api (GstGLContext * context);
 static GstGLPlatform gst_gl_context_egl_get_gl_platform (GstGLContext *
     context);
-static gpointer gst_gl_context_egl_get_proc_address (GstGLContext * context,
-    const gchar * name);
 static gboolean gst_gl_context_egl_check_feature (GstGLContext * context,
     const gchar * feature);
 
@@ -547,7 +545,7 @@ load_egl_module (gpointer user_data)
   return NULL;
 }
 
-static gpointer
+gpointer
 gst_gl_context_egl_get_proc_address (GstGLContext * context, const gchar * name)
 {
   gpointer result = NULL;

gst-libs/gst/gl/egl/gstglcontext_egl.h

@@ -56,8 +56,9 @@ struct _GstGLContextEGLClass {
 };
 
 GType gst_gl_context_egl_get_type     (void);
-GstGLContextEGL * gst_gl_context_egl_new (void);
+GstGLContextEGL *   gst_gl_context_egl_new                  (void);
-guintptr          gst_gl_context_egl_get_current_context (void);
+guintptr            gst_gl_context_egl_get_current_context  (void);
+gpointer            gst_gl_context_egl_get_proc_address     (GstGLContext * context, const gchar * name);
 
 /* TODO:
  * add support for EGL_NO_CONTEXT

gst-libs/gst/gl/gstglcontext.c

@@ -325,6 +325,7 @@ gst_gl_context_new_wrapped (GstGLDisplay * display, guintptr handle,
 {
   GstGLContext *context;
   GstGLWrappedContext *context_wrap = NULL;
+  GstGLContextClass *context_class;
 
   _init_debug ();
 
@@ -344,6 +345,39 @@ gst_gl_context_new_wrapped (GstGLDisplay * display, guintptr handle,
   context_wrap->platform = context_type;
   context_wrap->available_apis = available_apis;
 
+  context_class = GST_GL_CONTEXT_GET_CLASS (context);
+
+#if GST_GL_HAVE_PLATFORM_GLX
+  if (context_type == GST_GL_PLATFORM_GLX) {
+    context_class->get_current_context = gst_gl_context_glx_get_current_context;
+    context_class->get_proc_address = gst_gl_context_glx_get_proc_address;
+  }
+#endif
+#if GST_GL_HAVE_PLATFORM_EGL
+  if (context_type == GST_GL_PLATFORM_EGL) {
+    context_class->get_current_context = gst_gl_context_egl_get_current_context;
+    context_class->get_proc_address = gst_gl_context_egl_get_proc_address;
+  }
+#endif
+#if GST_GL_HAVE_PLATFORM_CGL
+  if (context_type == GST_GL_PLATFORM_CGL) {
+    context_class->get_current_context =
+        gst_gl_context_cocoa_get_current_context;
+  }
+#endif
+#if GST_GL_HAVE_PLATFORM_WGL
+  if (context_type == GST_GL_PLATFORM_WGL) {
+    context_class->get_current_context = gst_gl_context_wgl_get_current_context;
+    context_class->get_proc_address = gst_gl_context_wgl_get_proc_address;
+  }
+#endif
+#if GST_GL_HAVE_PLATFORM_EAGL
+  if (context_type == GST_GL_PLATFORM_EAGL) {
+    context_class->get_current_context =
+        gst_gl_context_eagl_get_current_context;
+  }
+#endif
+
   return context;
 }
 

gst-libs/gst/gl/win32/gstglcontext_wgl.c

@@ -46,8 +46,6 @@ static void gst_gl_context_wgl_destroy_context (GstGLContext * context);
 GstGLAPI gst_gl_context_wgl_get_gl_api (GstGLContext * context);
 static GstGLPlatform gst_gl_context_wgl_get_gl_platform (GstGLContext *
     context);
-static gpointer gst_gl_context_wgl_get_proc_address (GstGLContext * context,
-    const gchar * name);
 
 static void
 gst_gl_context_wgl_class_init (GstGLContextWGLClass * klass)
@@ -285,7 +283,7 @@ gst_gl_context_wgl_get_gl_platform (GstGLContext * context)
   return GST_GL_PLATFORM_WGL;
 }
 
-static gpointer
+gpointer
 gst_gl_context_wgl_get_proc_address (GstGLContext * context, const gchar * name)
 {
   gpointer result;

gst-libs/gst/gl/win32/gstglcontext_wgl.h

@@ -55,8 +55,9 @@ struct _GstGLContextWGLClass {
 
 GType gst_gl_context_wgl_get_type     (void);
 
-GstGLContextWGL * gst_gl_context_wgl_new  (void);
+GstGLContextWGL *   gst_gl_context_wgl_new                  (void);
-guintptr gst_gl_context_wgl_get_current_context (void);
+guintptr            gst_gl_context_wgl_get_current_context  (void);
+gpointer            gst_gl_context_wgl_get_proc_address     (GstGLContext * context, const gchar * name);
 
 G_END_DECLS
 

gst-libs/gst/gl/x11/gstglcontext_glx.c

@@ -57,8 +57,6 @@ static gboolean gst_gl_context_glx_choose_format (GstGLContext *
 GstGLAPI gst_gl_context_glx_get_gl_api (GstGLContext * context);
 static GstGLPlatform gst_gl_context_glx_get_gl_platform (GstGLContext *
     context);
-static gpointer gst_gl_context_glx_get_proc_address (GstGLContext * context,
-    const gchar * name);
 
 struct _GstGLContextGLXPrivate
 {
@@ -421,7 +419,7 @@ gst_gl_context_glx_get_gl_platform (GstGLContext * context)
   return GST_GL_PLATFORM_GLX;
 }
 
-static gpointer
+gpointer
 gst_gl_context_glx_get_proc_address (GstGLContext * context, const gchar * name)
 {
   gpointer result;

gst-libs/gst/gl/x11/gstglcontext_glx.h

@@ -59,8 +59,9 @@ struct _GstGLContextGLXClass {
 
 GType gst_gl_context_glx_get_type     (void);
 
-GstGLContextGLX * gst_gl_context_glx_new (void);
+GstGLContextGLX *   gst_gl_context_glx_new                  (void);
-guintptr          gst_gl_context_glx_get_current_context (void);
+guintptr            gst_gl_context_glx_get_current_context  (void);
+gpointer            gst_gl_context_glx_get_proc_address     (GstGLContext * context, const gchar * name);
 
 G_END_DECLS