Features

Features — Run-time detection of Clutter features

Types and Values

Description

Parts of Clutter depend on the underlying platform, including the capabilities of the backend used and the OpenGL features exposed through the Clutter and COGL API.

It is possible to ask whether Clutter has support for specific features at run-time.

See also cogl_get_features() and CoglFeatureFlags

Functions

clutter_feature_available ()

gboolean
clutter_feature_available (ClutterFeatureFlags feature);

Checks whether feature is available. feature can be a logical OR of ClutterFeatureFlags.

Parameters

feature

a ClutterFeatureFlags

 

Returns

TRUE if a feature is available

Since: 0.2


clutter_feature_get_all ()

ClutterFeatureFlags
clutter_feature_get_all (void);

Returns all the supported features.

Returns

a logical OR of all the supported features.

Since: 0.2

Types and Values

enum ClutterFeatureFlags

Runtime flags indicating specific features available via Clutter window system and graphics backend.

Members

CLUTTER_FEATURE_TEXTURE_NPOT

Set if NPOTS textures supported.

 

CLUTTER_FEATURE_SYNC_TO_VBLANK

Set if vblank syncing supported.

 

CLUTTER_FEATURE_TEXTURE_YUV

Set if YUV based textures supported.

 

CLUTTER_FEATURE_TEXTURE_READ_PIXELS

Set if texture pixels can be read.

 

CLUTTER_FEATURE_STAGE_STATIC

Set if stage size if fixed (i.e framebuffer)

 

CLUTTER_FEATURE_STAGE_USER_RESIZE

Set if stage is able to be user resized.

 

CLUTTER_FEATURE_STAGE_CURSOR

Set if stage has a graphical cursor.

 

CLUTTER_FEATURE_SHADERS_GLSL

Set if the backend supports GLSL shaders.

 

CLUTTER_FEATURE_OFFSCREEN

Set if the backend supports offscreen rendering.

 

CLUTTER_FEATURE_STAGE_MULTIPLE

Set if multiple stages are supported.

 

CLUTTER_FEATURE_SWAP_EVENTS

Set if the GLX_INTEL_swap_event is supported.

 

Since: 0.4