Query objects should not be shared between contexts

gpu/command_buffer/build_gles2_cmd_buffer.py

 #!/usr/bin/env python
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """code generator for GLES2 command buffers."""
 
 import itertools
 import os
 import os.path
@@ skipping 1265 matching lines @@
 # invalid_test: False if no invalid test needed.
 # shadowed:     True = the value is shadowed so no glGetXXX call will be made.
 # first_element_only: For PUT types, True if only the first element of an
 #               array is used and we end up calling the single value
 #               corresponding function. eg. TexParameteriv -> TexParameteri
 # extension:    Function is an extension to GL and should not be exposed to
 #               pepper unless pepper_interface is defined.
 # extension_flag: Function is an extension and should be enabled only when
 #               the corresponding feature info flag is enabled. Implies
 #               'extension': True.
+# not_shared:   For GENn types, True if objects can't be shared between contexts
 
 _FUNCTION_INFO = {
   'ActiveTexture': {
     'decoder_func': 'DoActiveTexture',
     'unit_test': False,
     'impl_func': False,
     'client_test': False,
   },
   'AttachShader': {'decoder_func': 'DoAttachShader'},
   'BindAttribLocation': {
@@ skipping 1050 matching lines @@
     'unit_test': False,
     'pepper_interface': 'InstancedArrays',
   },
   'GenQueriesEXT': {
     'type': 'GENn',
     'gl_test_func': 'glGenQueriesARB',
     'resource_type': 'Query',
     'resource_types': 'Queries',
     'unit_test': False,
     'pepper_interface': 'Query',
+    'not_shared': 'True',
   },
   'DeleteQueriesEXT': {
     'type': 'DELn',
     'gl_test_func': 'glDeleteQueriesARB',
     'resource_type': 'Query',
     'resource_types': 'Queries',
     'unit_test': False,
     'pepper_interface': 'Query',
   },
   'IsQueryEXT': {
@@ skipping 1675 matching lines @@
         'resource_types': func.GetInfo('resource_types'),
         'count_name': func.GetOriginalArgs()[0].name,
       }
     file.Write(
         "%(return_type)s GLES2Implementation::%(name)s(%(typed_args)s) {\n" %
         args)
     func.WriteDestinationInitalizationValidation(file)
     self.WriteClientGLCallLog(func, file)
     for arg in func.GetOriginalArgs():
       arg.WriteClientSideValidationCode(file, func)
-    code = """  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GetIdHandler(id_namespaces::k%(resource_types)s)->
-      MakeIds(this, 0, %(args)s);
+    not_shared = func.GetInfo('not_shared')
+    if not_shared:
+      alloc_code = (
+"""  IdAllocatorInterface* id_allocator = GetIdAllocator(id_namespaces::k%s);
+  for (GLsizei ii = 0; ii < n; ++ii)
+    %s[ii] = id_allocator->AllocateID();""" %
+  (func.GetInfo('resource_types'), func.GetOriginalArgs()[1].name))
+    else:
+      alloc_code = ("""  GetIdHandler(id_namespaces::k%(resource_types)s)->
+      MakeIds(this, 0, %(args)s);""" % args)
+    args['alloc_code'] = alloc_code
+
+    code = """ GPU_CLIENT_SINGLE_THREAD_CHECK();
+%(alloc_code)s
   %(name)sHelper(%(args)s);
   helper_->%(name)sImmediate(%(args)s);
   if (share_group_->bind_generates_resource())
     helper_->CommandBufferHelper::Flush();
 %(log_code)s
   CheckGLError();
 }
 
 """
     file.Write(code % args)
@@ skipping 4286 matching lines @@
       "ppapi/shared_impl/ppb_opengles2_shared.cc"])
 
   if gen.errors > 0:
     print "%d errors" % gen.errors
     return 1
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))