From: Chris Forbes <chrisf@ijw.co.nz>
Date: Wed, 31 Jul 2013 10:28:13 +0000 (+1200)
Subject: i965: Add helper functions for interpolation map
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=3b5fe704e182abce581518f43ea45d1cfb76f423;p=mesa.git

i965: Add helper functions for interpolation map

V6: real bools

Signed-off-by: Chris Forbes <chrisf@ijw.co.nz>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
---

diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h
index 7b5fd130619..00dd2b4b87f 100644
--- a/src/mesa/drivers/dri/i965/brw_context.h
+++ b/src/mesa/drivers/dri/i965/brw_context.h
@@ -420,6 +420,24 @@ struct interpolation_mode_map {
    unsigned char mode[BRW_VARYING_SLOT_COUNT];
 };
 
+static inline bool brw_any_flat_varyings(struct interpolation_mode_map *map)
+{
+   for (int i = 0; i < BRW_VARYING_SLOT_COUNT; i++)
+      if (map->mode[i] == INTERP_QUALIFIER_FLAT)
+         return true;
+
+   return false;
+}
+
+static inline bool brw_any_noperspective_varyings(struct interpolation_mode_map *map)
+{
+   for (int i = 0; i < BRW_VARYING_SLOT_COUNT; i++)
+      if (map->mode[i] == INTERP_QUALIFIER_NOPERSPECTIVE)
+         return true;
+
+   return false;
+}
+
 
 struct brw_sf_prog_data {
    GLuint urb_read_length;