perhaps it would be better to just write opengl output plugins for
video applications that used MESA_ycbcr_texture.  However, looking at
the code for several video apps, most that have an OGL output still use
RGB textures with the the YUV->RGB conversion done in software.

Alex

--- Keith Whitwell <[EMAIL PROTECTED]> wrote:
> 
> Hmm - maybe...  You'll probably run into some issues with the locking
> 
> mechanism used by the DRI drivers - the X server currently holds the
> lock all 
> the time it is active, so you'd have to release the lock before
> calling into 
> any GL functions, which is loosing some of the cleanness you get by
> using GL.
> 
> > Unfortunately, i'm more familiar with the 2D aspects of xfree86. 
> I'm
> > still learning about opengl programming and the 3D side of the
> > hardware.
> > I need to decide how to best map the Xv functions to their OGL
> > implementation.  An comments on the feasibility of this or how I
> would
> > best proceed are welcome.
> 
> The GLX_NV_vertex_array_range allows GL clients to be allocated
> actual AGP 
> memory, which will speed up texture uploads in the R200 driver if you
> do 
> *everything* right.  Note - this is only r200 at this stage.
> 
> Keith
> 


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