Added GLES3 Capabilities to the Command Buffer

gpu/command_buffer/build_gles2_cmd_buffer.py

Index: gpu/command_buffer/build_gles2_cmd_buffer.py
diff --git a/gpu/command_buffer/build_gles2_cmd_buffer.py b/gpu/command_buffer/build_gles2_cmd_buffer.py
index ab51fcd535be4453157e51729312bc6735bf6f7f..27cd409025cdaff70416d4df55aee20870d77083 100755
--- a/gpu/command_buffer/build_gles2_cmd_buffer.py
+++ b/gpu/command_buffer/build_gles2_cmd_buffer.py
@@ -82,6 +82,8 @@ _CAPABILITY_FLAGS = [
   {'name': 'scissor_test'},
   {'name': 'stencil_test',
    'state_flag': 'framebuffer_state_.clear_state_dirty'},
+  {'name': 'primitive_restart_fixed_index', 'es3': True},
+  {'name': 'rasterizer_discard', 'es3': True},
 ]
 
 _STATES = {
@@ -878,7 +880,10 @@ _NAMED_TYPE_INFO = {
   },
   'Capability': {
     'type': 'GLenum',
-    'valid': ["GL_%s" % cap['name'].upper() for cap in _CAPABILITY_FLAGS],
+    'valid': ["GL_%s" % cap['name'].upper() for cap in _CAPABILITY_FLAGS
+        if 'es3' not in cap or cap['es3'] != True],
+    'valid_es3': ["GL_%s" % cap['name'].upper() for cap in _CAPABILITY_FLAGS
+        if 'es3' in cap and cap['es3'] == True],
     'invalid': [
       'GL_CLIP_PLANE0',
       'GL_POINT_SPRITE',
@@ -9338,10 +9343,14 @@ void ContextState::InitCapabilities(const ContextState* prev_state) const {
     def WriteCapabilities(test_prev):
       for capability in _CAPABILITY_FLAGS:
         capability_name = capability['name']
+        capability_es3 = 'es3' in capability and capability['es3'] == True
+        es3_test = 'feature_info_->IsES3Capable() && ' if capability_es3 else ''
         if test_prev:
-          file.Write("""  if (prev_state->enable_flags.cached_%s !=
-                              enable_flags.cached_%s)\n""" %
-                     (capability_name, capability_name))
+          file.Write("""  if (%sprev_state->enable_flags.cached_%s !=
+                            enable_flags.cached_%s)\n""" %
+                   (es3_test, capability_name, capability_name))
+        elif capability_es3:
+          file.Write("  if (feature_info_->IsES3Capable())\n")
         file.Write("    EnableDisable(GL_%s, enable_flags.cached_%s);\n" %
                    (capability_name.upper(), capability_name))