GL|ES Mesa and DRI
andreas.pokorny at gmail.com
Thu Nov 27 16:39:33 CET 2008
2008/11/26 Aliner <linermedia at gmail.com>:
> Should we try building libEGL and the EGL driver for DRI first?
> On Wed, Nov 26, 2008 at 1:14 PM, Aliner <linermedia at gmail.com> wrote:
>> I was thinking, the Glamo supports OpenGL ES 1.1
>> Are we going to implement Mesa as a full OpenGL 2.x or are we going to do
>> a proper OpenGL ES implementation?
>> I've been going back and forth with this, on the one side if you implement
>> OpenGL you have lots of applications
>> that won't need to be re-written. But, in order to comply with a OpenGL
>> specification there is a lot of stuff that needs to be implemented in
>> And another thing, doing shaders in software is going to suck big time.
I started reading the 3D spec. I did not expect the chip to support so
much of GL in hardware. It even works with floating point input data
(internal precision seems to be 24bit), which is a requirement to get
any OpenGL software running reasonable at all. Bump mapping..
trilinear filtering .. 8 lights.. I do not know what is missing for
OpenGL 1.X support. The Spec claims to be OpenGL|ES 1.0 compilant. I
believe we should try to get ES working first, then look what would be
missing for plain GL without shaders.
Does Mesa already provide an OpenGL|ES API? Is Mesa a good starting
point at all?
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