[Mesa-dev] Sampling DRM_FORMAT_YUYV in GLSL

[Philipp Zabel]

On Tue, 2017-05-09 at 12:48 +0200, Volker Vogelhuber wrote:
[...]
> Ok thanks for the clarification. There is only one missing part for the
> GL_TEXTURE_2D case. The second EGLImage is created internally when
> calling eglCreateImage with EGL_LINUX_DMA_BUF_EXT, so I only
> have one return value I can bind to a texture using 
> glEGLImageTargetTexture2DOES.
> Is there any "get" function to access the ARGB eglimage to bind it to 
> another
> texture?

You create two separate EGLImages, calling eglCreateImage once for each
plane. See for example:

https://cgit.freedesktop.org/gstreamer/gst-plugins-bad/tree/gst-libs/gst/gl/gstglupload.c#n646

or

https://cgit.freedesktop.org/wayland/weston/tree/libweston/gl-renderer.c#n1536

regards
Philipp