Mesa (gallium-index-bias): gallium/docs: Make it clear that minIndex, maxIndex is exclusively a index buffer characteristic.

Jose Fonseca jrfonseca at kemper.freedesktop.org
Tue Apr 20 08:37:33 UTC 2010


Module: Mesa
Branch: gallium-index-bias
Commit: 493a1bb822f80f48cf284cb572acb5dd393a07e1
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=493a1bb822f80f48cf284cb572acb5dd393a07e1

Author: José Fonseca <jfonseca at vmware.com>
Date:   Tue Apr 20 10:22:28 2010 +0200

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

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.

---

 src/gallium/docs/source/context.rst |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/src/gallium/docs/source/context.rst b/src/gallium/docs/source/context.rst
index 69e0fcc..c82e681 100644
--- a/src/gallium/docs/source/context.rst
+++ b/src/gallium/docs/source/context.rst
@@ -156,6 +156,9 @@ as indices to fetch vertex attributes.
 ``indexBias`` is a value which is added to every index read from the index 
 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
 it contains per-vertex data and effective vertex attribute address needs
 to be recalculated for every index.




More information about the mesa-commit mailing list