Mesa (master): gallium/docs: adds documentation for multi viewport cap

[Zack Rusin]

Module: Mesa
Branch: master
Commit: 26fe24c47975f1484c193617a18cd2a9cdb65eb4
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=26fe24c47975f1484c193617a18cd2a9cdb65eb4

Author: Zack Rusin <zackr at vmware.com>
Date:   Sat May 25 09:14:57 2013 -0400

gallium/docs: adds documentation for multi viewport cap

Signed-off-by: Zack Rusin <zackr at vmware.com>
Reviewed-by: Roland Scheidegger <sroland at vmware.com>

---

 src/gallium/docs/source/screen.rst |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/src/gallium/docs/source/screen.rst b/src/gallium/docs/source/screen.rst
index 2630491..683080c 100644
--- a/src/gallium/docs/source/screen.rst
+++ b/src/gallium/docs/source/screen.rst
@@ -164,6 +164,10 @@ The integer capabilities:
   for permutational swizzles.
 * ``PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE``: The maximum accessible size with
   a buffer sampler view, in bytes.
+* ``PIPE_CAP_MAX_VIEWPORTS``: The maximum number of viewports (and scissors
+  since they are linked) a driver can support. Returning 0 is equivalent
+  to returning 1 because every driver has to support at least a single
+  viewport/scissor combination.  
 
 
 .. _pipe_capf: