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Diffstat (limited to 'include/gui/SurfaceTextureClient.h')
| -rw-r--r-- | include/gui/SurfaceTextureClient.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/gui/SurfaceTextureClient.h b/include/gui/SurfaceTextureClient.h index 56d861a..a582975 100644 --- a/include/gui/SurfaceTextureClient.h +++ b/include/gui/SurfaceTextureClient.h @@ -34,6 +34,21 @@ namespace android { class Surface; +/* + * An implementation of ANativeWindow that also behaves as the producer + * side of a BufferQueue. + * + * This is typically used by programs that want to render frames through + * some means (maybe OpenGL, a software renderer, or a hardware decoder) + * and have the frames they create forwarded to SurfaceFlinger for + * compositing. For example, a video decoder could render a frame and call + * eglSwapBuffers(), which invokes ANativeWindow callbacks defined by + * SurfaceTextureClient. STC then acts as the BufferQueue producer, + * providing the new frame to a consumer such as SurfaceTexture. + * + * TODO: rename to Surface. The existing Surface class wraps STC with + * some Binder goodies, which most users of Surface class don't care about. + */ class SurfaceTextureClient : public ANativeObjectBase<ANativeWindow, SurfaceTextureClient, RefBase> { |