[Mesa-dev] [PATCH V3 00/30] ARB_texture_view for i965

[Ian Romanick]

On 04/08/2014 02:13 AM, Kenneth Graunke wrote:
> On 04/02/2014 01:04 AM, Chris Forbes wrote:
>> This series adds ARB_texture_view support for i965 Gen7/7.5.
>>
>> Significant changes from V2:
>>
>> - All the assorted post-V2 format fixups are moved to the start of the series.
>>   This gives us consistent memory layout for all the formats between which we
>>   have to support casting.
>> - Texture validation changes are simplified (Eric)
>> - CopyTexSubImage respects view parameters.
> 
> Series is:
> Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
> 
> I do think it would be worth trying various benchmarks and games against
> the series, to see if the RGBA vs. BGRA swizzling issue makes much of a
> difference.  It will probably change some things, but I don't have a
> good sense of how.

I believe the losing BGRA is going to hurt web browsers... Eric also
indicated that it would hurt Glamor.  I think we should add an extension
that enables BGRA for TexStorage.  On ES, EXT_texture_storage +
APPLE_texture_format_BGRA8888 does this by adding GL_BGRA8_EXT as an
internal format for *only* TexStorage.

> I'll also need to port this to Gen8...
> 
> Nice work, Chris!  Thanks for doing this.
> 
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