On Mon, Feb 24, 2003 at 06:44:05PM -0800, Ian Romanick wrote:
> Sven Luther wrote:
> >On Mon, Feb 24, 2003 at 09:48:42AM -0800, Ian Romanick wrote:
> >
> >>What about apps that send uncompressed textures into the driver, expect
> >>the driver to compress then, and then read the textures back? Acc
Sven Luther wrote:
On Mon, Feb 24, 2003 at 09:48:42AM -0800, Ian Romanick wrote:
What about apps that send uncompressed textures into the driver, expect
the driver to compress then, and then read the textures back? According
to the spec, the textures app will read-back compressed data. I don't
On Mon, Feb 24, 2003 at 09:48:42AM -0800, Ian Romanick wrote:
> Sven Luther wrote:
> >Is there not a way to work around this ?
> >
> >If the hardware doesn't support s3tc, then the driver simply don't
> >advertize the that it can handle s3tc textures, so you would get out of
> >the need to decompre
Sven Luther wrote:
Is there not a way to work around this ?
If the hardware doesn't support s3tc, then the driver simply don't
advertize the that it can handle s3tc textures, so you would get out of
the need to decompress the textures in the driver. On the other hand, if
it is not possible to tell
> > Can we add this to the FAQ, please?
>
> The FAQ is editable by anyone isn't it?
No, but anyone can add a FAQ, if they could edit / delete them that would
be none too wise, which is why I advise not to mess it up (because then I
have to fix it).
Liam
it depends
On Fri, Feb 21, 2003 at 03:27:21PM -0800, Ian Romanick wrote:
> Look at the ARB_texture_compression and EXT_texture_compression_s3tc
> specs again. You can specify uncompressed textures and have the driver
> compress the AND you can specify compressed textures and have the driver
> decompress them
> > OK, I don't exactly want to stir up this hornets nest *again*, but a
> > couple of things aren't entirely clear to me and I'd appreciate any
> > clarifications.
> >
> > As I understand it, the situation is as follows:
> >
> > The S3TC algorithm is patented and therefore no-one can distribute
On Fri, Feb 21, 2003 at 03:27:21PM -0800, Ian Romanick wrote:
> >Now, if an OpenGL application has a pile of textures already
> >compressed with the S3TC algorithm, then I don't understand why the
> >dri drivers can't simply offer the S3TC interfaces to the hardware,
> >pass the compressed textures
Philip Armstrong wrote:
OK, I don't exactly want to stir up this hornets nest *again*, but a
couple of things aren't entirely clear to me and I'd appreciate any
clarifications.
As I understand it, the situation is as follows:
The S3TC algorithm is patented and therefore no-one can distribute an
im
