From: Chris Forbes <chrisf@ijw.co.nz>
Date: Fri, 29 Nov 2013 08:28:32 +0000 (+1300)
Subject: glsl: Put `sample`-qualified varyings in their own packing classes
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5d326fa963d4af85af50687ecc7d0eb0a8989fda;p=mesa.git

glsl: Put `sample`-qualified varyings in their own packing classes

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

diff --git a/src/glsl/link_varyings.cpp b/src/glsl/link_varyings.cpp
index d2a4fc82d3c..097cee5e4cb 100644
--- a/src/glsl/link_varyings.cpp
+++ b/src/glsl/link_varyings.cpp
@@ -887,7 +887,7 @@ varying_matches::compute_packing_class(ir_variable *var)
     *
     * Therefore, the packing class depends only on the interpolation type.
     */
-   unsigned packing_class = var->centroid ? 1 : 0;
+   unsigned packing_class = var->centroid | (var->sample << 1);
    packing_class *= 4;
    packing_class += var->interpolation;
    return packing_class;