[Mesa-dev] Mesa (master): mesa: Simplify _mesa_base_fbo_format by making it exceptions to teximages.
brianp at vmware.com
Fri Jan 14 15:17:57 PST 2011
On 01/14/2011 02:58 PM, Eric Anholt wrote:
> Module: Mesa
> Branch: master
> Commit: 65c41d55a06137115f0b4c67f9a3fd2708f0b625
> URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=65c41d55a06137115f0b4c67f9a3fd2708f0b625
> Author: Eric Anholt<eric at anholt.net>
> Date: Thu Jan 13 10:05:50 2011 -0800
> mesa: Simplify _mesa_base_fbo_format by making it exceptions to teximages.
> The comment of "this is just like teximages except for..." is a pretty
> good clue that we're handling this wrong. By just using the teximage
> code, we catch a bunch of cases we'd missed, like GL_RED and GL_RG.
_mesa_base_fbo_format() also serves as an error checking function so
that invalid internalFormat parameters to glRenderBufferStorage() are
We need to reject compressed formats, index formats, dudv formats,
ycbcr formats, etc. I think we lost that with your change. Maybe we
need to pass a 'renderable' flag into the function so we can do the
If _mesa_base_tex_format() is going to be overloaded with FBO format
checking, the comment on that function needs to be updated. Maybe
even rename _mesa_base_tex_format() to _mesa_base_surface_format() or
something like that to make it clear that it's not just used for
texture internal formats.
The original comment was correct- they're similar functions, but not
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