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gallium/docs: Make it clear that minIndex, maxIndex is exclusively a index buffer characteristic.

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Unlike the indexBias which is specific to a draw call.

This are the semantics of both D3D and GL ARB_draw_elements_base_vertex
extension.
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José Fonseca
2010-04-20 10:22:28 +02:00
parent f1d3f42c47
commit 493a1bb822
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src/gallium/docs/source/context.rst
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@@ -156,6 +156,9 @@ as indices to fetch vertex attributes.
``indexBias`` is a value which is added to every index read from the index ``indexBias`` is a value which is added to every index read from the index
buffer before fetching vertex attributes. buffer before fetching vertex attributes.
``minIndex`` and ``maxIndex`` describe minimum and maximum index contained in
the index buffer.
If a given vertex element has ``instance_divisor`` set to 0, it is said If a given vertex element has ``instance_divisor`` set to 0, it is said
it contains per-vertex data and effective vertex attribute address needs it contains per-vertex data and effective vertex attribute address needs
to be recalculated for every index. to be recalculated for every index.