vrend: Add GL_ARB_uniform_buffer_object for gles

Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>
Signed-off-by: Jakob Bornecrantz <jakob@collabora.com>

src/vrend_renderer.c

@@ -6730,6 +6730,13 @@ void vrend_renderer_fill_caps_gles(uint32_t set, uint32_t version,
       caps->v1.bset.primitive_restart = 1;
    }
 
+   if (gles_ver >= 30) {
+      caps->v1.bset.instanceid = 1;
+      glGetIntegerv(GL_MAX_VERTEX_UNIFORM_BLOCKS, &max);
+      vrend_state.max_uniform_blocks = max;
+      caps->v1.max_uniform_blocks = max + 1;
+   }
+
    if (gles_ver >= 30) {
       caps->v1.bset.texture_multisample = 1;
    }