http://bugs.freedesktop.org/show_bug.cgi?id=24533
Summary: Wrong pitch used for render-to-texture
Product: Mesa
Version: unspecified
Platform: Other
OS/Version: All
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/DRI/r300
AssignedTo: dri-devel@lists.sourceforge.net
ReportedBy: otay...@redhat.com
Created an attachment (id=30415)
--> (http://bugs.freedesktop.org/attachment.cgi?id=30415)
Patch as described
Currently the pitch used for the render-buffer created to wrap a texture is:
texImage->Width * rrb->cpp;
But the pitch we need to use is the pitch from the miptree. And in fact, we
want to use the pitch of the texture level we are rendering to.
The attached patch does this; I've only tested with rendering to level 0, and I
think there might be another bug for rendering to levels other than 0 - it
would seem that we need to set rrb->base.Width/Height to be the width/height of
the level as well.
Patch is against 7.6 branch, but HEAD looks identical.
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