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https://bugs.freedesktop.org/show_bug.cgi?id=8355
Summary: glVertexAttrib1dARB (double) behaves correctly, but
glVertexAttrib1fARB (float) does not.
Product: Mesa
Version: CVS
Platform: PC
URL: http://z3ro.name/attribbug.c
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: Mesa core
AssignedTo: [email protected]
ReportedBy: [EMAIL PROTECTED]
I've encountered what I believe is a bug in Mesa3d when setting vertex
attributes, it seems that glVertexAttrib1dARB (double precision) works but
glVertexAttrib1fARB (float precision) doesn't. The same applies for
glVertexAttribPointerARB, but with GL_DOUBLE and GL_FLOAT.
This bug might only affect generic vertex attributes (greater than or equal to
8) since glNormalPointer seems to work fine. I've attached a simple demo
program modified from a demo program in Mesa3d. See the main() function. The
demo just tests vertex attributes, not glNormalPointer; I confirmed this works
in another program.
I am using Mesa3d, libdrm, and drm from the latest CVS/Git with the r300
driver.
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