Re: [Mesa3d-dev] [Mesa-dev] [PATCH 0/6] ARB_texture_float

2011-04-01 Thread Philipp Klaus Krause
Am 01.04.2011 15:56, schrieb Marek Olšák:
 Hi,
 
 please read on.
 
 This patch series adds the last pieces of ARB_texture_float support
 to Mesa and Gallium.
 
 The thing is Mesa and Gallium more or less already support float
 textures and renderbuffers in master. Gallium has full floating-point
 support in the interface and if it was a public API, people could
 just expose it and not care. There is clearly a need for a configure
 switch which can hide float renderbuffers from any interface, public
 or private, and driver developers should use such a switch.

Would there be a way to make this switch easier to flip by the user? As
you state it this looks like a lot of work to users that want to have it
enabled, at least when compared to the effort to get S3TC support.

Philipp

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Re: [Mesa3d-dev] [Mesa-dev] [PATCH 0/6] ARB_texture_float

2011-04-01 Thread Marek Olšák
There won't be any other way. It should be the Linux distributors' decision
whether their users can use it or not.

Marek

On Fri, Apr 1, 2011 at 5:14 PM, Philipp Klaus Krause p...@spth.de wrote:

 Am 01.04.2011 15:56, schrieb Marek Olšák:
  Hi,
 
  please read on.
 
  This patch series adds the last pieces of ARB_texture_float support
  to Mesa and Gallium.
 
  The thing is Mesa and Gallium more or less already support float
  textures and renderbuffers in master. Gallium has full floating-point
  support in the interface and if it was a public API, people could
  just expose it and not care. There is clearly a need for a configure
  switch which can hide float renderbuffers from any interface, public
  or private, and driver developers should use such a switch.

 Would there be a way to make this switch easier to flip by the user? As
 you state it this looks like a lot of work to users that want to have it
 enabled, at least when compared to the effort to get S3TC support.

 Philipp

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Re: [Mesa3d-dev] [Mesa-dev] [PATCH 0/6] ARB_texture_float

2011-04-01 Thread Sven Arvidsson
On Fri, 2011-04-01 at 17:14 +0200, Philipp Klaus Krause wrote:
 Would there be a way to make this switch easier to flip by the user? As
 you state it this looks like a lot of work to users that want to have it
 enabled, at least when compared to the effort to get S3TC support.

According to this, an external library could be used for float textures,
but not for render targets:
http://www.x.org/wiki/Events/XDC2009/Notes#idr.3AOpenGL3andMesa

Most users (or at least the ones needing more than GL2) will probably
get binaries from some unofficial repository. Similar to how the
situation with H264 coders (and/or decoders) are handled today.

-- 
Cheers,
Sven Arvidsson
http://www.whiz.se
PGP Key ID 760BDD22



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