Add ES support for MESA_shader_integer_functions (#3).
diff --git a/api/GLES2/gl2ext.h b/api/GLES2/gl2ext.h
index 31e3b05..4310b82 100644
--- a/api/GLES2/gl2ext.h
+++ b/api/GLES2/gl2ext.h
@@ -38,7 +38,7 @@
 #define GL_APIENTRYP GL_APIENTRY*
 #endif
 
-/* Generated on date 20170325 */
+/* Generated on date 20170331 */
 
 /* Generated C header for:
  * API: gles2
@@ -2161,6 +2161,10 @@
 #endif
 #endif /* GL_INTEL_performance_query */
 
+#ifndef GL_MESA_shader_integer_functions
+#define GL_MESA_shader_integer_functions 1
+#endif /* GL_MESA_shader_integer_functions */
+
 #ifndef GL_NVX_blend_equation_advanced_multi_draw_buffers
 #define GL_NVX_blend_equation_advanced_multi_draw_buffers 1
 #endif /* GL_NVX_blend_equation_advanced_multi_draw_buffers */
diff --git a/extensions/MESA/MESA_shader_integer_functions.txt b/extensions/MESA/MESA_shader_integer_functions.txt
index 7a28837..9fcc9b4 100644
--- a/extensions/MESA/MESA_shader_integer_functions.txt
+++ b/extensions/MESA/MESA_shader_integer_functions.txt
@@ -20,7 +20,7 @@
 
 Version
 
-    Version 2, July 7, 2016
+    Version 3, March 31, 2017
 
 Number
 
@@ -34,7 +34,7 @@
     This extension is written against Version 1.50 (Revision 09) of the OpenGL
     Shading Language Specification.
 
-    GLSL 1.30 is required.
+    GLSL 1.30 (OpenGL) or GLSL ES 3.00 (OpenGL ES) is required.
 
     This extension interacts with ARB_gpu_shader5.
 
@@ -51,9 +51,10 @@
     calculations).
 
     This extension provides a set of new features to the OpenGL Shading
-    Language to support capabilities of these GPUs, extending the capabilities
-    of version 1.30 of the OpenGL Shading Language.  Shaders
-    using the new functionality provided by this extension should enable this
+    Language to support capabilities of these GPUs, extending the
+    capabilities of version 1.30 of the OpenGL Shading Language and version
+    3.00 of the OpenGL ES Shading Language.  Shaders using the new
+    functionality provided by this extension should enable this
     functionality via the construct
 
       #extension GL_MESA_shader_integer_functions : require   (or enable)
@@ -516,5 +517,6 @@
 
     Rev.      Date     Author    Changes
     ----  -----------  --------  -----------------------------------------
+     3    31-Mar-2017  Jon Leech Add ES support (OpenGL-Registry/issues/3)
      2     7-Jul-2016  idr       Fix typo in #extension line
      1    20-Jun-2016  idr       Initial version based on GL_ARB_gpu_shader5.
diff --git a/xml/gl.xml b/xml/gl.xml
index 42274ff..3a08a51 100644
--- a/xml/gl.xml
+++ b/xml/gl.xml
@@ -43687,7 +43687,7 @@
                 <command name="glResizeBuffersMESA"/>
             </require>
         </extension>
-        <extension name="GL_MESA_shader_integer_functions" supported="gl" comment="May be supported on gles2; see OpenGL-Registry #4"/>
+        <extension name="GL_MESA_shader_integer_functions" supported="gl|gles2"/>
         <extension name="GL_MESA_window_pos" supported="gl">
             <require>
                 <command name="glWindowPos2dMESA"/>