diff --git a/docs/features.txt b/docs/features.txt
index 8999e42519c..5fc408da8ff 100644
--- a/docs/features.txt
+++ b/docs/features.txt
@@ -319,7 +319,7 @@ Khronos, ARB, and OES extensions that are not part of any OpenGL or OpenGL ES ve
   GL_EXT_memory_object                                  DONE (radeonsi)
   GL_EXT_memory_object_fd                               DONE (radeonsi)
   GL_EXT_memory_object_win32                            not started
-  GL_EXT_render_snorm                                   DONE (i965)
+  GL_EXT_render_snorm                                   DONE (i965, radeonsi)
   GL_EXT_semaphore                                      DONE (radeonsi)
   GL_EXT_semaphore_fd                                   DONE (radeonsi)
   GL_EXT_semaphore_win32                                not started
diff --git a/docs/relnotes/19.0.0.html b/docs/relnotes/19.0.0.html
index f4522b654c6..04e06cdd758 100644
--- a/docs/relnotes/19.0.0.html
+++ b/docs/relnotes/19.0.0.html
@@ -43,6 +43,7 @@ TBD.
 <li>GL_EXT_shader_implicit_conversions on all drivers (ES extension).</li>
 <li>GL_EXT_texture_compression_bptc on all GL 4.0 drivers (ES extension).</li>
 <li>GL_EXT_texture_compression_rgtc on all GL 3.0 drivers (ES extension).</li>
+<li>GL_EXT_render_snorm on gallium drivers (ES extension).</li>
 <li>GL_EXT_texture_view on drivers supporting texture views (ES extension).</li>
 <li>GL_OES_texture_view on drivers supporting texture views (ES extension).</li>
 </ul>
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index 428975dd4cb..002866d4cdb 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -799,6 +799,14 @@ void st_init_extensions(struct pipe_screen *screen,
       { { o(ARB_texture_rg) },
         { PIPE_FORMAT_R8_UNORM,
           PIPE_FORMAT_R8G8_UNORM } },
+
+      { { o(EXT_render_snorm) },
+        { PIPE_FORMAT_R8_SNORM,
+          PIPE_FORMAT_R8G8_SNORM,
+          PIPE_FORMAT_R8G8B8A8_SNORM,
+          PIPE_FORMAT_R16_SNORM,
+          PIPE_FORMAT_R16G16_SNORM,
+          PIPE_FORMAT_R16G16B16A16_SNORM } },
    };
 
    /* Required: depth stencil and sampler support */