From: Jason Ekstrand <jason.ekstrand@intel.com>
Date: Wed, 23 Dec 2015 19:24:23 +0000 (-0800)
Subject: anv: Mask out invalid stages in foreach_stage
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=72ceb99bab592e1ce01bc7855c45bfe58a188b6f;p=mesa.git

anv: Mask out invalid stages in foreach_stage
---

diff --git a/src/vulkan/anv_private.h b/src/vulkan/anv_private.h
index b632f6e85a9..6bd18952492 100644
--- a/src/vulkan/anv_private.h
+++ b/src/vulkan/anv_private.h
@@ -1235,8 +1235,11 @@ mesa_to_vk_shader_stage(gl_shader_stage mesa_stage)
    return (1 << mesa_stage);
 }
 
+#define ANV_STAGE_MASK ((1 << MESA_SHADER_STAGES) - 1)
+
 #define anv_foreach_stage(stage, stage_bits)                         \
-   for (gl_shader_stage stage, __tmp = (gl_shader_stage)(stage_bits);\
+   for (gl_shader_stage stage,                                       \
+        __tmp = (gl_shader_stage)((stage_bits) & ANV_STAGE_MASK);    \
         stage = __builtin_ffs(__tmp) - 1, __tmp;                     \
         __tmp &= ~(1 << (stage)))