[Mesa-dev] [PATCH 29/31] i965: Define brw_int_type() helper.

[Francisco Jerez]

Intended as a (partial) inverse of type_sz().  Will be useful in the
next commit and some other SIMD32 generator changes I have queued up.
---
 src/mesa/drivers/dri/i965/brw_reg.h | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/src/mesa/drivers/dri/i965/brw_reg.h b/src/mesa/drivers/dri/i965/brw_reg.h
index 71e1024..1ed0f4f 100644
--- a/src/mesa/drivers/dri/i965/brw_reg.h
+++ b/src/mesa/drivers/dri/i965/brw_reg.h
@@ -304,6 +304,26 @@ type_sz(unsigned type)
 }
 
 /**
+ * Return an integer type of the requested size and signedness.
+ */
+static inline enum brw_reg_type
+brw_int_type(unsigned sz, bool is_signed)
+{
+   switch (sz) {
+   case 1:
+      return (is_signed ? BRW_REGISTER_TYPE_B : BRW_REGISTER_TYPE_UB);
+   case 2:
+      return (is_signed ? BRW_REGISTER_TYPE_W : BRW_REGISTER_TYPE_UW);
+   case 4:
+      return (is_signed ? BRW_REGISTER_TYPE_D : BRW_REGISTER_TYPE_UD);
+   case 8:
+      return (is_signed ? BRW_REGISTER_TYPE_Q : BRW_REGISTER_TYPE_UQ);
+   default:
+      unreachable("Not reached.");
+   }
+}
+
+/**
  * Construct a brw_reg.
  * \param file      one of the BRW_x_REGISTER_FILE values
  * \param nr        register number/index
-- 
2.7.3