From: Kenneth Graunke <kenneth@whitecape.org>
Date: Tue, 24 Jun 2014 23:33:56 +0000 (-0700)
Subject: i965: Add 2x MSAA support to the MCS allocation function.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=db184d43b0573c00d911ef9e98fbaab26ebd6466;p=mesa.git

i965: Add 2x MSAA support to the MCS allocation function.

2x MSAA also uses 8 bits, just like 4x.  More bits are unused.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
---

diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
index 58e09b74d95..e4d67b97420 100644
--- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
+++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
@@ -1251,6 +1251,7 @@ intel_miptree_alloc_mcs(struct brw_context *brw,
     */
    mesa_format format;
    switch (num_samples) {
+   case 2:
    case 4:
       /* 8 bits/pixel are required for MCS data when using 4x MSAA (2 bits for
        * each sample).