Re: Does Xorg'x XRender implementation support better-than-bilinear interpolation?

2012-09-11 Thread Daniel Stone
Hi, On 11 September 2012 03:17, Pierre-Loup A. Griffais pgriff...@nvidia.com wrote: On 09/10/2012 06:08 PM, Daniel Stone wrote: 'Best' might be bicubic. It might be nearest. It might be anything, it's just whatever the driver thinks will offer the best quality. Bicubic is not required to

Re: [PATCH] Xephyr: GLX: Support MakeContextCurrent and MakeCurrentReadSGI

2012-09-11 Thread Adam Jackson
On 9/7/12 1:30 PM, Daniel Stone wrote: We need to pass these requests through to the host server in the same way we do glXMakeCurrent. Generalise the existing MakeCurrent submission into once that will send MakeCurrent, MakeContextCurrent or MakeCurrentReadSGI, depending on the request and the

[PATCH libX11] Allow overriding location of keysymdef.h

2012-09-11 Thread Ross Burton
Currently keysymdef.h is found by using the includedir of xproto. This doesn't work when cross-compiling with a sysroot as that ends up being /usr/include/X11, not a path into the cross-build environment. So, add an option to allow explicitly specifying the location of keysymdef.h, and verify

Re: Does Xorg'x XRender implementation support better-than-bilinear interpolation?

2012-09-11 Thread Søren Sandmann
Pierre-Loup A. Griffais pgriff...@nvidia.com writes: I'm not very familiar with bicubic interpolation, but couldn't it be achieved using the 'convolution' filter with the adequate kernel? (possibly in several passes at different scales). AFAIK 'convolution' is always provided and often

Re: Does Xorg'x XRender implementation support better-than-bilinear interpolation?

2012-09-11 Thread Pierre-Loup A. Griffais
On 09/11/2012 10:43 AM, Søren Sandmann wrote: Pierre-Loup A. Griffaispgriff...@nvidia.com writes: I'm not very familiar with bicubic interpolation, but couldn't it be achieved using the 'convolution' filter with the adequate kernel? (possibly in several passes at different scales). AFAIK

Re: Does Xorg'x XRender implementation support better-than-bilinear interpolation?

2012-09-11 Thread Søren Sandmann
Pierre-Loup A. Griffais pgriff...@nvidia.com writes: On 09/11/2012 10:43 AM, Søren Sandmann wrote: Pierre-Loup A. Griffaispgriff...@nvidia.com writes: I'm not very familiar with bicubic interpolation, but couldn't it be achieved using the 'convolution' filter with the adequate kernel?