Re: [Mesa-dev] [PATCH 3/3] i965/fs: Combine tex/fb_write operations (opt)

2015-04-12 Thread Pohjolainen, Topi
On Sun, Apr 12, 2015 at 10:02:03AM +0300, Pohjolainen, Topi wrote: > On Fri, Apr 10, 2015 at 12:52:04PM -0700, Ben Widawsky wrote: > > Certain platforms support the ability to sample from a texture, and write > > it out > > to the file RT - thus saving a costly send instructions (note that this is

Re: [Mesa-dev] [PATCH 3/3] i965/fs: Combine tex/fb_write operations (opt)

2015-04-12 Thread Pohjolainen, Topi
On Fri, Apr 10, 2015 at 12:52:04PM -0700, Ben Widawsky wrote: > Certain platforms support the ability to sample from a texture, and write it > out > to the file RT - thus saving a costly send instructions (note that this is a > potnential win if one wanted to backport to a tag that didn't have the

Re: [Mesa-dev] [PATCH 3/3] i965/fs: Combine tex/fb_write operations (opt)

2015-04-10 Thread Matt Turner
On Fri, Apr 10, 2015 at 12:52 PM, Ben Widawsky wrote: > Certain platforms support the ability to sample from a texture, and write it > out > to the file RT - thus saving a costly send instructions (note that this is a > potnential win if one wanted to backport to a tag that didn't have the patch

[Mesa-dev] [PATCH 3/3] i965/fs: Combine tex/fb_write operations (opt)

2015-04-10 Thread Ben Widawsky
Certain platforms support the ability to sample from a texture, and write it out to the file RT - thus saving a costly send instructions (note that this is a potnential win if one wanted to backport to a tag that didn't have the patch from Topi which removed excess MOVs from LOAD_PAYLOAD - 97caf5fa