diff --git a/src/mapi/glapi/gen/es_EXT.xml b/src/mapi/glapi/gen/es_EXT.xml
index b26cac54b79..ad83d9142d1 100644
--- a/src/mapi/glapi/gen/es_EXT.xml
+++ b/src/mapi/glapi/gen/es_EXT.xml
@@ -634,4 +634,12 @@
     </function>
 </category>
 
+<!-- 103. GL_EXT_texture_rg -->
+<category name="GL_EXT_texture_rg" number="103">
+    <enum name="RED_EXT"                                  value="0x1903"/>
+    <enum name="RG_EXT"                                   value="0x8227"/>
+    <enum name="R8_EXT"                                   value="0x8229"/>
+    <enum name="RG8_EXT"                                  value="0x822B"/>
+</category>
+
 </OpenGLAPI>
diff --git a/src/mesa/main/APIspec.xml b/src/mesa/main/APIspec.xml
index f870cf7db64..b6cf52d074a 100644
--- a/src/mesa/main/APIspec.xml
+++ b/src/mesa/main/APIspec.xml
@@ -4150,6 +4150,7 @@
 	<category name="OES_packed_depth_stencil"/>
 	<category name="OES_standard_derivatives"/>
 	<category name="EXT_texture_format_BGRA8888"/>
+	<category name="EXT_texture_rg"/>
 	<category name="EXT_read_format_bgra"/>
 
 	<category name="EXT_texture_compression_dxt1"/>
diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c
index e4fe73307ad..793cc4e24e0 100644
--- a/src/mesa/main/extensions.c
+++ b/src/mesa/main/extensions.c
@@ -200,6 +200,7 @@ static const struct extension extension_table[] = {
    { "GL_EXT_texture_env_dot3",                    o(EXT_texture_env_dot3),                    GL,             2000 },
    { "GL_EXT_texture_filter_anisotropic",          o(EXT_texture_filter_anisotropic),          GL | ES1 | ES2, 1999 },
    { "GL_EXT_texture_format_BGRA8888",             o(dummy_true),                                   ES1 | ES2, 2005 },
+   { "GL_EXT_texture_rg",                          o(ARB_texture_rg),                                     ES2, 2011 },
    { "GL_EXT_read_format_bgra",                    o(dummy_true),                                   ES1 | ES2, 2009 },
    { "GL_EXT_texture_integer",                     o(EXT_texture_integer),                     GL,             2006 },
    { "GL_EXT_texture_lod_bias",                    o(dummy_true),                              GL | ES1,       1999 },