From: Francisco Jerez <currojerez@riseup.net>
Date: Wed, 3 Jun 2015 18:24:50 +0000 (+0300)
Subject: i965: Define consistent interface to enable instruction result saturation.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=6e040657292d8d0a6fe8fe7d4d94e9808f29e924;p=mesa.git

i965: Define consistent interface to enable instruction result saturation.

v2: Use set_ prefix.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
---

diff --git a/src/mesa/drivers/dri/i965/brw_ir_fs.h b/src/mesa/drivers/dri/i965/brw_ir_fs.h
index 07af0082d9d..eee4d7e1e00 100644
--- a/src/mesa/drivers/dri/i965/brw_ir_fs.h
+++ b/src/mesa/drivers/dri/i965/brw_ir_fs.h
@@ -304,4 +304,15 @@ set_condmod(enum brw_conditional_mod mod, fs_inst *inst)
    return inst;
 }
 
+/**
+ * Clamp the result of \p inst to the saturation range of its destination
+ * datatype.
+ */
+static inline fs_inst *
+set_saturate(bool saturate, fs_inst *inst)
+{
+   inst->saturate = saturate;
+   return inst;
+}
+
 #endif
diff --git a/src/mesa/drivers/dri/i965/brw_ir_vec4.h b/src/mesa/drivers/dri/i965/brw_ir_vec4.h
index 96d1cfbeb93..fceacae0e51 100644
--- a/src/mesa/drivers/dri/i965/brw_ir_vec4.h
+++ b/src/mesa/drivers/dri/i965/brw_ir_vec4.h
@@ -223,6 +223,17 @@ set_condmod(enum brw_conditional_mod mod, vec4_instruction *inst)
    return inst;
 }
 
+/**
+ * Clamp the result of \p inst to the saturation range of its destination
+ * datatype.
+ */
+inline vec4_instruction *
+set_saturate(bool saturate, vec4_instruction *inst)
+{
+   inst->saturate = saturate;
+   return inst;
+}
+
 } /* namespace brw */
 
 #endif