From: Jason Ekstrand <jason.ekstrand@intel.com>
Date: Wed, 9 Mar 2016 20:25:47 +0000 (-0800)
Subject: isl: Add more helpers for determining if a format is an integer format
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=6f47ed28b4b2a007adc4183c818b608ec2f0be83;p=mesa.git

isl: Add more helpers for determining if a format is an integer format
---

diff --git a/src/intel/isl/isl.h b/src/intel/isl/isl.h
index 248a94d64eb..90193ca08c1 100644
--- a/src/intel/isl/isl.h
+++ b/src/intel/isl/isl.h
@@ -825,9 +825,19 @@ isl_format_get_layout(enum isl_format fmt)
    return &isl_format_layouts[fmt];
 }
 
+bool
+isl_format_has_uint_channel(enum isl_format fmt) ATTRIBUTE_CONST;
+
 bool
 isl_format_has_sint_channel(enum isl_format fmt) ATTRIBUTE_CONST;
 
+static inline bool
+isl_format_has_int_channel(enum isl_format fmt)
+{
+   return isl_format_has_uint_channel(fmt) ||
+          isl_format_has_sint_channel(fmt);
+}
+
 static inline bool
 isl_format_is_compressed(enum isl_format fmt)
 {
diff --git a/src/intel/isl/isl_format.c b/src/intel/isl/isl_format.c
index 7842197d861..32bd70186c6 100644
--- a/src/intel/isl/isl_format.c
+++ b/src/intel/isl/isl_format.c
@@ -25,6 +25,20 @@
 
 #include "isl.h"
 
+bool
+isl_format_has_uint_channel(enum isl_format fmt)
+{
+   const struct isl_format_layout *fmtl = isl_format_get_layout(fmt);
+
+   return fmtl->channels.r.type == ISL_UINT ||
+          fmtl->channels.g.type == ISL_UINT ||
+          fmtl->channels.b.type == ISL_UINT ||
+          fmtl->channels.a.type == ISL_UINT ||
+          fmtl->channels.l.type == ISL_UINT ||
+          fmtl->channels.i.type == ISL_UINT ||
+          fmtl->channels.p.type == ISL_UINT;
+}
+
 bool
 isl_format_has_sint_channel(enum isl_format fmt)
 {