[Mesa-dev] [PATCH] Add GPU BLIT of texture image to PBO in Intel driver

Ian Romanick idr at freedesktop.org
Tue Jun 10 12:42:24 PDT 2014


On 06/10/2014 12:26 PM, Jon Ashburn wrote:
> See v2 of patch sent to mesa-dev list in  early March:
> 
> http://lists.freedesktop.org/archives/mesa-dev/2014-March/055350.html
> 
> Or I can resend this v2 patch if needed.

That's weird.  I have v1 in my inbox, but I don't have v2.  Anyway...

Other than a handful of whitespace issues, that patch looks okay to me.
 Matt?  Ken?

> Jon
> On 06/10/2014 01:14 PM, Ian Romanick wrote:
>> On 02/24/2014 02:55 PM, Matt Turner wrote:
>>> On Mon, Feb 24, 2014 at 2:04 PM, Jon Ashburn <jon at lunarg.com> wrote:
>>>> Add Intel driver hook for glGetTexImage to accelerate the case of
>>>> reading
>>>> texture image into a PBO.  This case gets huge performance gains by
>>>> using
>>>> GPU BLIT directly to PBO rather than GPU BLIT to temporary texture
>>>> followed
>>>> by memcpy.
>>>>
>>>> No regressions on Piglit tests  with Intel driver.
>>> Patch summary should be prefixed with "i965:" and the commit message
>>> should contain some performance data.
>> ping.
>>
>> We're still waiting for the requested changes to the commit message...
>>
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