mesa: add enable bit for ARB_texture_storage_multisample

Signed-off-by: Chris Forbes <chrisf@ijw.co.nz>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Brian Paul <brianp@vmware.com>

src/mesa/main/extensions.c

@@ -149,6 +149,7 @@ static const struct extension extension_table[] = {
    { "GL_ARB_texture_rgb10_a2ui",                  o(ARB_texture_rgb10_a2ui),                  GL,             2009 },
    { "GL_ARB_texture_rg",                          o(ARB_texture_rg),                          GL,             2008 },
    { "GL_ARB_texture_storage",                     o(ARB_texture_storage),                     GL,             2011 },
+   { "GL_ARB_texture_storage_multisample",         o(ARB_texture_storage_multisample),         GL,             2012 },
    { "GL_ARB_texture_swizzle",                     o(EXT_texture_swizzle),                     GL,             2008 },
    { "GL_ARB_timer_query",                         o(ARB_timer_query),                         GL,             2010 },
    { "GL_ARB_transform_feedback2",                 o(ARB_transform_feedback2),                 GL,             2010 },

src/mesa/main/mtypes.h

@@ -2996,6 +2996,7 @@ struct gl_extensions
    GLboolean ARB_texture_rg;
    GLboolean ARB_texture_rgb10_a2ui;
    GLboolean ARB_texture_storage;
+   GLboolean ARB_texture_storage_multisample;
    GLboolean ARB_timer_query;
    GLboolean ARB_transform_feedback2;
    GLboolean ARB_transform_feedback3;