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util/blit: document params to util_blit_pixels_writemask()
author
Brian Paul
<brianp@vmware.com>
Wed, 20 Jan 2010 01:00:26 +0000
(18:00 -0700)
committer
Brian Paul
<brianp@vmware.com>
Wed, 20 Jan 2010 01:01:02 +0000
(18:01 -0700)
src/gallium/auxiliary/util/u_blit.c
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diff --git
a/src/gallium/auxiliary/util/u_blit.c
b/src/gallium/auxiliary/util/u_blit.c
index
3f74e2a
..
9725890
100644
(file)
--- a/
src/gallium/auxiliary/util/u_blit.c
+++ b/
src/gallium/auxiliary/util/u_blit.c
@@
-262,6
+262,10
@@
regions_overlap(int srcX0, int srcY0,
* Copy pixel block from src surface to dst surface.
* Overlapping regions are acceptable.
* Flipping and stretching are supported.
+ * \param filter one of PIPE_TEX_MIPFILTER_NEAREST/LINEAR
+ * \param writemask controls which channels in the dest surface are sourced
+ * from the src surface. Disabled channels are sourced
+ * from (0,0,0,1).
* XXX what about clipping???
* XXX need some control over blitting Z and/or stencil.
*/