[Bug 712287] New: Use GL_TEXTURE_2D (npot) instead of GL_TEXTURE_RECTANGLE

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=712287
  GStreamer | gst-plugins-gl | git

           Summary: Use GL_TEXTURE_2D (npot) instead of
                    GL_TEXTURE_RECTANGLE
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: enhancement
          Priority: Normal
         Component: gst-plugins-gl
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: ystreet00 at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


In my quest for vaapi integration.  I came across the following problem.

We create our textures (in Desktop GL) with GL_TEXTURE_RECTANGLE, vaapi
attempts to bind our texture to GL_TEXTURE_2D which throws a
GL_INVALID_OPERATION error and as thus, no video.

By moving exclusively to GL_TEXTURE_2D and the npot extension we also remove a
difference between the Desktop GL and GLES2 code.

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