https://bugs.freedesktop.org/show_bug.cgi?id=101941
Bug ID: 101941
Summary: Getting different output depending on attribute
declaration order
Product: Mesa
Version: git
Hardware: All
OS: Linux (All)
Status: NEW
Severity: major
Priority: medium
Component: glsl-compiler
Assignee: mesa-dev@lists.freedesktop.org
Reporter: bhen...@vmware.com
QA Contact: intel-3d-b...@lists.freedesktop.org
I am getting different results depending on attribute order.
For example, in piglit test gl-2.0-vertex-const-attr, vertex shader has
attribute order as
"attribute vec2 vertex; \n"
"attribute vec4 attr; \n"
If I modified it to
"attribute vec4 attr; \n"
"attribute vec2 vertex; \n"
I am getting wrong results. If I bind attributes to particular location using
glBindAttribLocation call then it works fine. If I use glGetAttribLocation to
get corresponding attribute location, then it gives wrong results.
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