Convert most remaining resources to use the API/thunk system. The significant

gpu/command_buffer/build_gles2_cmd_buffer.py

 #!/usr/bin/python
 #
 # Copyright (c) 2011 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 os
 import os.path
 import sys
 import re
 from optparse import OptionParser
 
 _SIZE_OF_UINT32 = 4
 _SIZE_OF_COMMAND_HEADER = 4
 _FIRST_SPECIFIC_COMMAND_ID = 256
 
 _LICENSE = """// Copyright (c) 2011 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.
 
 """
 
+_DO_NOT_EDIT_WARNING = """// This file is auto-generated from
+// gpu/command_buffer/build_gles2_cmd_buffer.py
+// DO NOT EDIT!
+
+"""
+
 # This string is copied directly out of the gl2.h file from GLES2.0
 #
 # Edits:
 #
 # *) Any argument that is a resourceID has been changed to GLid<Type>.
 #    (not pointer arguments) and if it's allowed to be zero it's GLidZero<Type>
 #    If it's allowed to not exist it's GLidBind<Type>
 #
 # *) All GLenums have been changed to GLenumTypeOfEnum
 #
@@ skipping 1807 matching lines @@
     CWriter.__init__(self, filename)
 
     base = os.path.dirname(os.path.abspath(filename))
     for i in range(guard_depth):
       base = os.path.dirname(base)
 
     hpath = os.path.abspath(filename)[len(base) + 1:]
     self.guard = self._non_alnum_re.sub('_', hpath).upper() + '_'
 
     self.Write(_LICENSE)
-    self.Write(
-        "// This file is auto-generated. DO NOT EDIT!\n"
-        "\n")
+    self.Write(_DO_NOT_EDIT_WARNING)
     if not file_comment == None:
       self.Write(file_comment)
     self.Write("#ifndef %s\n" % self.guard)
     self.Write("#define %s\n\n" % self.guard)
 
   def Close(self):
     self.Write("#endif  // %s\n\n" % self.guard)
     CWriter.Close(self)
 
 class TypeHandler(object):
@@ skipping 3772 matching lines @@
       file.Write("  %s (*%s)(%s);\n" % (func.return_type, func.name, arg))
     file.Write("};\n\n")
 
     file.Close()
 
   def WritePepperGLES2Implementation(self, filename):
     """Writes the Pepper OpenGLES interface implementation."""
 
     file = CWriter(filename)
     file.Write(_LICENSE)
-    file.Write("// This file is auto-generated. DO NOT EDIT!\n\n")
+    file.Write(_DO_NOT_EDIT_WARNING)
 
     file.Write("#include \"webkit/plugins/ppapi/ppb_opengles_impl.h\"\n\n")
 
     file.Write("#include \"gpu/command_buffer/client/gles2_implementation.h\"\n")
     file.Write("#include \"ppapi/c/dev/ppb_opengles_dev.h\"\n")
+    file.Write("#include \"ppapi/shared_impl/resource_object_base.h\"\n")
+    file.Write("#include \"ppapi/shared_impl/tracker_base.h\"\n")
     file.Write("#include \"webkit/plugins/ppapi/ppb_context_3d_impl.h\"\n\n")
 
+    file.Write("using ppapi::ResourceObjectBase;\n")
+    file.Write("using ppapi::TrackerBase;\n\n")
     file.Write("namespace webkit {\n")
     file.Write("namespace ppapi {\n\n")
     file.Write("namespace {\n\n")
 
+    file.Write("gpu::gles2::GLES2Implementation* GetGLES(PP_Resource context) {\n")
+    file.Write("  ResourceObjectBase* base = TrackerBase::Get()->GetResourceAPI(context);\n")
+    file.Write("  DCHECK(base->AsPPB_Context3D_API());\n")
+    file.Write("  return static_cast<PPB_Context3D_Impl*>(base)->gles2_impl();\n")
+    file.Write("}\n\n")
+
     for func in self.original_functions:
       if not func.IsCoreGLFunction():
         continue
 
       original_arg = func.MakeTypedOriginalArgString("")
       context_arg = "PP_Resource context_id"
       if len(original_arg):
         arg = context_arg + ", " + original_arg
       else:
         arg = context_arg
       file.Write("%s %s(%s) {\n" % (func.return_type, func.name, arg))
 
-      file.Write("""  scoped_refptr<PPB_Context3D_Impl> context =
-      Resource::GetAs<PPB_Context3D_Impl>(context_id);
-""")
-
       return_str = "" if func.return_type == "void" else "return "
-      file.Write("  %scontext->gles2_impl()->%s(%s);\n" %
+      file.Write("  %sGetGLES(context_id)->%s(%s);\n" %
                  (return_str, func.original_name,
                   func.MakeOriginalArgString("")))
       file.Write("}\n\n")
 
     file.Write("\nconst struct PPB_OpenGLES2_Dev ppb_opengles2 = {\n")
     file.Write("  &")
     file.Write(",\n  &".join(
       f.name for f in self.original_functions if f.IsCoreGLFunction()))
     file.Write("\n")
     file.Write("};\n\n")
 
     file.Write("}  // namespace\n")
 
     file.Write("""
 const PPB_OpenGLES2_Dev* PPB_OpenGLES_Impl::GetInterface() {
   return &ppb_opengles2;
 }
 
 """)
     file.Write("}  // namespace ppapi\n")
     file.Write("}  // namespace webkit\n\n")
 
     file.Close()
 
   def WritePepperGLES2ProxyImplementation(self, filename):
     """Writes the Pepper OpenGLES interface implementation."""
 
     file = CWriter(filename)
     file.Write(_LICENSE)
-    file.Write("// This file is auto-generated. DO NOT EDIT!\n\n")
+    file.Write(_DO_NOT_EDIT_WARNING)
 
     file.Write("#include \"ppapi/proxy/ppb_opengles2_proxy.h\"\n\n")
 
     file.Write("#include \"gpu/command_buffer/client/gles2_implementation.h\"\n")
     file.Write("#include \"ppapi/c/pp_errors.h\"\n")
     file.Write("#include \"ppapi/c/pp_resource.h\"\n")
     file.Write("#include \"ppapi/c/dev/ppb_opengles_dev.h\"\n")
     file.Write("#include \"ppapi/proxy/plugin_dispatcher.h\"\n")
     file.Write("#include \"ppapi/proxy/plugin_resource.h\"\n")
-    file.Write("#include \"ppapi/proxy/ppb_context_3d_proxy.h\"\n\n")
+    file.Write("#include \"ppapi/proxy/ppb_context_3d_proxy.h\"\n")
+    file.Write("#include \"ppapi/shared_impl/resource_object_base.h\"\n")
+    file.Write("#include \"ppapi/shared_impl/tracker_base.h\"\n\n")
 
     file.Write("namespace pp {\n")
     file.Write("namespace proxy {\n\n")
     file.Write("namespace {\n\n")
-
+    file.Write("gpu::gles2::GLES2Implementation* GetGLES(PP_Resource context) {\n")
+    file.Write("  ppapi::ResourceObjectBase* base =\n")
+    file.Write("  ppapi::TrackerBase::Get()->GetResourceAPI(context);\n")
+    file.Write("  DCHECK(base->AsPPB_Context3D_API());\n")
+    file.Write("  return static_cast<Context3D*>(base)->gles2_impl();\n")
+    file.Write("}\n\n")
 
     for func in self.original_functions:
       if not func.IsCoreGLFunction():
         continue
 
       original_arg = func.MakeTypedOriginalArgString("")
       context_arg = "PP_Resource context_id"
       if len(original_arg):
         arg = context_arg + ", " + original_arg
       else:
         arg = context_arg
       file.Write("%s %s(%s) {\n" % (func.return_type, func.name, arg))
 
-      file.Write("""  Context3D* context = PluginResource::GetAs<Context3D>(context_id);\n""")
-
       return_str = "" if func.return_type == "void" else "return "
-      file.Write("  %scontext->gles2_impl()->%s(%s);\n" %
+      file.Write("  %sGetGLES(context_id)->%s(%s);\n" %
                  (return_str, func.original_name,
                   func.MakeOriginalArgString("")))
       file.Write("}\n\n")
 
     file.Write("const struct PPB_OpenGLES2_Dev opengles2_interface = {\n")
     file.Write("  &")
     file.Write(",\n  &".join(
       f.name for f in self.original_functions if f.IsCoreGLFunction()))
     file.Write("\n")
     file.Write("};\n\n")
@@ skipping 34 matching lines @@
     file.Write("}  // namespace proxy\n")
     file.Write("}  // namespace pp\n")
 
     file.Close()
 
   def WriteGLES2ToPPAPIBridge(self, filename):
     """Connects GLES2 helper library to PPB_OpenGLES2 interface"""
 
     file = CWriter(filename)
     file.Write(_LICENSE)
-    file.Write("// This file is auto-generated. DO NOT EDIT!\n\n")
+    file.Write(_DO_NOT_EDIT_WARNING)
 
     file.Write("#include <GLES2/gl2.h>\n")
     file.Write("#include \"ppapi/lib/gl/gles2/gl2ext_ppapi.h\"\n\n")
 
     for func in self.original_functions:
       if not func.IsCoreGLFunction():
         continue
 
       file.Write("%s GL_APIENTRY gl%s(%s) {\n" %
                  (func.return_type, func.name,
                   func.MakeTypedOriginalArgString("")))
       return_str = "" if func.return_type == "void" else "return "
       interface_str = "glGetInterfacePPAPI()"
       original_arg = func.MakeOriginalArgString("")
       context_arg = "glGetCurrentContextPPAPI()"
       if len(original_arg):
         arg = context_arg + ", " + original_arg
       else:
         arg = context_arg
       file.Write("  %s%s->%s(%s);\n" %
                  (return_str, interface_str, func.name, arg))
       file.Write("}\n\n")
 
   def WritePepperGLES2NaClProxy(self, filename):
     """Writes the Pepper OpenGLES interface implementation for NaCl."""
 
     file = CWriter(filename)
     file.Write(_LICENSE)
-    file.Write("// This file is auto-generated. DO NOT EDIT!\n\n")
+    file.Write(_DO_NOT_EDIT_WARNING)
 
     file.Write("#include \"native_client/src/shared/ppapi_proxy"
         "/plugin_context_3d.h\"\n\n")
 
     file.Write("#include \"gpu/command_buffer/client/gles2_implementation.h\"")
     file.Write("\n#include \"ppapi/c/dev/ppb_opengles_dev.h\"\n\n")
 
     file.Write("using ppapi_proxy::PluginContext3D;\n")
     file.Write("using ppapi_proxy::PluginResource;\n\n")
     file.Write("namespace {\n\n")
@@ skipping 111 matching lines @@
 
     if options.generate_docs:
       gen.WriteDocs("docs/gles2_cmd_format_docs_autogen.h")
 
   if gen.errors > 0:
     print "%d errors" % gen.errors
     sys.exit(1)
 
 if __name__ == '__main__':
   main(sys.argv[1:])