Mesa (master): gallium/docs: default Z texture tuple is (z,z,z,1) for OpenGL
Brian Paul
brianp at kemper.freedesktop.org
Tue Feb 2 23:27:26 UTC 2010
Module: Mesa
Branch: master
Commit: 3e572eb25e20db0ba4a4bdf554185e1da88af671
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=3e572eb25e20db0ba4a4bdf554185e1da88af671
Author: Brian Paul <brianp at vmware.com>
Date: Tue Feb 2 16:27:07 2010 -0700
gallium/docs: default Z texture tuple is (z,z,z,1) for OpenGL
---
src/gallium/docs/source/tgsi.rst | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst
index 4baf176..d8e81d6 100644
--- a/src/gallium/docs/source/tgsi.rst
+++ b/src/gallium/docs/source/tgsi.rst
@@ -1473,10 +1473,10 @@ For reference, OpenGL and Direct3D conventions are shown as well.
| UV | XXX TBD | (0, 0, 0, 1) | (u, v, 1, 1) |
| | | [#envmap-bumpmap]_ | |
+--------------------+--------------+--------------------+--------------+
-| Z | XXX TBD | (z, z, z, z) | (0, z, 0, 1) |
+| Z | XXX TBD | (z, z, z, 1) | (0, z, 0, 1) |
| | | [#depth-tex-mode]_ | |
+--------------------+--------------+--------------------+--------------+
.. [#envmap-bumpmap] http://www.opengl.org/registry/specs/ATI/envmap_bumpmap.txt
-.. [#depth-tex-mode] Z may be (z, z, z, 1) or (0, 0, 0, z) also; it changes
- depending on GL_DEPTH_TEXTURE_MODE state.
+.. [#depth-tex-mode] the default is (z, z, z, 1) but may also be (0, 0, 0, z)
+ or (z, z, z, z) depending on the value of GL_DEPTH_TEXTURE_MODE.
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