1 files changed, 15 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_format_pack.py b/src/gallium/auxiliary/util/u_format_pack.py
index f40b3bdf2e..4831912f02 100644
--- a/src/gallium/auxiliary/util/u_format_pack.py
+++ b/src/gallium/auxiliary/util/u_format_pack.py
@@ -38,6 +38,7 @@
 
 
 import sys
+import math
 
 from u_format_parse import *
 
@@ -90,6 +91,20 @@ def generate_format_type(format):
     print
 
 
+def generate_srgb_tables():
+    print 'static ubyte srgb_to_linear[256] = {'
+    for i in range(256):
+        print '   %s,' % (int(math.pow((i / 255.0 + 0.055) / 1.055, 2.4) * 255))
+    print '};'
+    print
+    print 'static ubyte linear_to_srgb[256] = {'
+    print '   0,'
+    for i in range(1, 256):
+        print '   %s,' % (int((1.055 * math.pow(i / 255.0, 0.41666) - 0.055) * 255))
+    print '};'
+    print
+
+
 def bswap_format(format):
     '''Generate a structure that describes the format.'''