Re: [Mesa-dev] [PATCH] i965: Transcode RGB ETC1/2 textures to DXT1 or FXT1.

2013-01-16 Thread Matt Turner
On Tue, Jan 15, 2013 at 3:49 PM, Ian Romanick wrote: > On 01/11/2013 08:54 PM, Eric Anholt wrote: >> >> The previous solution of transcoding to ARGB gave exact results, but >> below the expected performance. Given that the user has gone out of >> their way to give us compressed data for perfo

Re: [Mesa-dev] [PATCH] i965: Transcode RGB ETC1/2 textures to DXT1 or FXT1.

2013-01-16 Thread Eric Anholt
Ian Romanick writes: > On 01/11/2013 08:54 PM, Eric Anholt wrote: >> The previous solution of transcoding to ARGB gave exact results, but >> below the expected performance. Given that the user has gone out of >> their way to give us compressed data for performance reasons, try to >> respect

Re: [Mesa-dev] [PATCH] i965: Transcode RGB ETC1/2 textures to DXT1 or FXT1.

2013-01-15 Thread Ian Romanick
On 01/11/2013 08:54 PM, Eric Anholt wrote: The previous solution of transcoding to ARGB gave exact results, but below the expected performance. Given that the user has gone out of their way to give us compressed data for performance reasons, try to respect their wishes by doing the best comp

[Mesa-dev] [PATCH] i965: Transcode RGB ETC1/2 textures to DXT1 or FXT1.

2013-01-11 Thread Eric Anholt
The previous solution of transcoding to ARGB gave exact results, but below the expected performance. Given that the user has gone out of their way to give us compressed data for performance reasons, try to respect their wishes by doing the best compression we can handle. We expect DXT1 compre