GST_GL_CONTEXT_ERROR

#define GST_GL_CONTEXT_ERROR (gst_gl_context_error_quark ())

gst_gl_context_error_quark ()

GQuark
gst_gl_context_error_quark (void);

GstGLContextThreadFunc ()

void
(*GstGLContextThreadFunc) (GstGLContext *context,
                           gpointer data);

Represents a function to run in the GL thread with context and data

gst_gl_context_new ()

GstGLContext *
gst_gl_context_new (GstGLDisplay *display);

Create a new GstGLContext with the specified display

Since: 1.4

gst_gl_context_new_wrapped ()

GstGLContext *
gst_gl_context_new_wrapped (GstGLDisplay *display,
                            guintptr handle,
                            GstGLPlatform context_type,
                            GstGLAPI available_apis);

Wraps an existing OpenGL context into a GstGLContext.

Since: 1.4

gst_gl_context_create ()

gboolean
gst_gl_context_create (GstGLContext *context,
                       GstGLContext *other_context,
                       GError **error);

Creates an OpenGL context in the current thread with the specified other_context as a context to share shareable OpenGL objects with. See the OpenGL specification for what is shared between contexts.

If an error occurs, and error is not NULL, then error will contain details of the error and FALSE will be returned.

Should only be called once.

Since: 1.4

gst_gl_context_destroy ()

void
gst_gl_context_destroy (GstGLContext *context);

Destroys an OpenGL context.

Should only be called after gst_gl_context_create() has been successfully called for this context.

Since: 1.6

gst_gl_context_activate ()

gboolean
gst_gl_context_activate (GstGLContext *context,
                         gboolean activate);

(De)activate the OpenGL context represented by this context .

In OpenGL terms, calls eglMakeCurrent or similar with this context and the currently set window. See gst_gl_context_set_window() for details.

Since: 1.4

gst_gl_context_default_get_proc_address ()

gpointer
gst_gl_context_default_get_proc_address
                               (GstGLAPI gl_api,
                                const gchar *name);

gst_gl_context_get_proc_address ()

gpointer
gst_gl_context_get_proc_address (GstGLContext *context,
                                 const gchar *name);

Get a function pointer to a specified opengl function, name . If the the specific function does not exist, NULL is returned instead.

Platform specfic functions (names starting 'egl', 'glX', 'wgl', etc) can also be retrieved using this method.

Since: 1.4

gst_gl_context_get_window ()

GstGLWindow *
gst_gl_context_get_window (GstGLContext *context);

Since: 1.4

gst_gl_context_set_window ()

gboolean
gst_gl_context_set_window (GstGLContext *context,
                           GstGLWindow *window);

Set's the current window on context to window . The window can only be changed before gst_gl_context_create() has been called and the window is not already running.

Since: 1.4

gst_gl_context_thread_add ()

void
gst_gl_context_thread_add (GstGLContext *context,
                           GstGLContextThreadFunc func,
                           gpointer data);

Execute func in the OpenGL thread of context with data

MT-safe

Since: 1.4

gst_gl_context_get_display ()

GstGLDisplay *
gst_gl_context_get_display (GstGLContext *context);

Since: 1.4

gst_gl_context_get_gl_api ()

GstGLAPI
gst_gl_context_get_gl_api (GstGLContext *context);

Get the currently enabled OpenGL api.

The currently available API may be limited by the GstGLDisplay in use and/or the GstGLWindow chosen.

Since: 1.4

gst_gl_context_get_gl_context ()

guintptr
gst_gl_context_get_gl_context (GstGLContext *context);

Gets the backing OpenGL context used by context .

Since: 1.4

gst_gl_context_get_gl_platform ()

GstGLPlatform
gst_gl_context_get_gl_platform (GstGLContext *context);

Gets the OpenGL platform that used by context .

Since: 1.4

gst_gl_context_get_current_gl_context ()

guintptr
gst_gl_context_get_current_gl_context (GstGLPlatform platform);

Since: 1.6

gst_gl_context_get_current_gl_api ()

GstGLAPI
gst_gl_context_get_current_gl_api (guint *major,
                                   guint *minor);

If an error occurs, major and minor aren't modified and GST_GL_API_NONE is returned.

Since: 1.6

gst_gl_context_get_thread ()

GThread *
gst_gl_context_get_thread (GstGLContext *context);

Since: 1.6

gst_gl_context_can_share ()

gboolean
gst_gl_context_can_share (GstGLContext *context,
                          GstGLContext *other_context);

Since: 1.6

gst_gl_context_check_feature ()

gboolean
gst_gl_context_check_feature (GstGLContext *context,
                              const gchar *feature);

Some features require that the context be created before it is possible to determine their existence and so will fail if that is not the case.

Since: 1.4

gst_gl_context_check_gl_version ()

gboolean
gst_gl_context_check_gl_version (GstGLContext *context,
                                 GstGLAPI api,
                                 gint maj,
                                 gint min);

Since: 1.4

gst_gl_context_get_gl_version ()

void
gst_gl_context_get_gl_version (GstGLContext *context,
                               gint *maj,
                               gint *min);

Returns the OpenGL version implemented by context . See gst_gl_context_get_gl_api() for retreiving the OpenGL api implemented by context .

Since: 1.4

gst_gl_context_fill_info ()

gboolean
gst_gl_context_fill_info (GstGLContext *context,
                          GError **error);

Fills context 's info (version, extensions, vtable, etc) from the GL context in the current thread. Typically used with wrapped contexts to allow wrapped contexts to be used as regular GstGLContext's.

Since: 1.6

gst_gl_context_get_current ()

GstGLContext *
gst_gl_context_get_current (void);

See also gst_gl_context_activate().

Since: 1.6

enum GstGLContextError

GstGLContext

typedef struct _GstGLContext GstGLContext;

Opaque GstGLContext object