Mesa (master): mesa: add IsSample bitfield to gl_fragment_program

[Chris Forbes]

Module: Mesa
Branch: master
Commit: 6429cc05ca953dff2a49a44e9a1478fc6e4ccfa1
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=6429cc05ca953dff2a49a44e9a1478fc6e4ccfa1

Author: Chris Forbes <chrisf at ijw.co.nz>
Date:   Fri Nov 29 21:30:00 2013 +1300

mesa: add IsSample bitfield to gl_fragment_program

Drivers will need to look at this to decide if they need to do
per-sample fragment shader dispatch.

Signed-off-by: Chris Forbes <chrisf at ijw.co.nz>
Reviewed-by: Francisco Jerez <currojerez at riseup.net>

---

 src/mesa/main/mtypes.h |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 87ce569..db3cc3b 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -2132,6 +2132,12 @@ struct gl_fragment_program
     * uses centroid interpolation, 0 otherwise.  Unused inputs are 0.
     */
    GLbitfield64 IsCentroid;
+
+   /**
+    * Bitfield indicating, for each fragment shader input, 1 if that input
+    * uses sample interpolation, 0 otherwise.  Unused inputs are 0.
+    */
+   GLbitfield64 IsSample;
 };