[Libva] [PATCH 1/4] add GPU shader for RGB->NV12 conversion

[Zhao, Halley]

patch is so big that it is blocked by mailman.
So I resend it by striping gen5/g6b files 

> -----Original Message-----
> From: Zhao, Halley
> Sent: Friday, July 13, 2012 2:33 PM
> To: libva at lists.freedesktop.org
> Cc: Zhao, Halley
> Subject: [PATCH 1/4] add GPU shader for RGB->NV12 conversion
> 
> ---
>  .../gen5_6/Common/RGBX_Load_16x8.asm               |   57 ++
>  .../gen5_6/Common/RGBX_Load_16x8.inc               |   48 ++
>  .../gen5_6/Common/RGBX_Save_YUV_Fix.asm            |  115 ++++
>  .../gen5_6/Common/RGBX_Save_YUV_Float.asm          |  152 +++++
>  .../gen5_6/Common/RGBX_to_YUV_Coef.asm             |   43 ++
>  src/shaders/post_processing/gen5_6/Makefile.am     |    8 +
>  .../post_processing/gen5_6/rgbx_load_save_nv12.asm |   26 +
>  .../gen5_6/rgbx_load_save_nv12.g4b.gen5            |  562