Expose CHROMIUM_texture_mailbox/sync_point stubs in mojo public headers

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 1364 matching lines @@
     'no_gl': True,
     'expectation': False,
   },
   'ConsumeTextureCHROMIUM': {
     'decoder_func': 'DoConsumeTextureCHROMIUM',
     'impl_func': False,
     'type': 'PUT',
     'count': 64,  # GL_MAILBOX_SIZE_CHROMIUM
     'unit_test': False,
     'client_test': False,
-    'extension': True,
+    'extension': "CHROMIUM_texture_mailbox",
     'chromium': True,
     'trace_level': 1,
   },
   'CreateAndConsumeTextureCHROMIUM': {
     'decoder_func': 'DoCreateAndConsumeTextureCHROMIUM',
     'impl_func': False,
     'type': 'HandWritten',
     'data_transfer_methods': ['immediate'],
     'unit_test': False,
     'client_test': False,
-    'extension': True,
+    'extension': "CHROMIUM_texture_mailbox",
     'chromium': True,
   },
   'ClearStencil': {
     'type': 'StateSet',
     'state': 'ClearStencil',
   },
   'EnableFeatureCHROMIUM': {
     'type': 'Custom',
     'data_transfer_methods': ['shm'],
     'decoder_func': 'DoEnableFeatureCHROMIUM',
@@ skipping 234 matching lines @@
   },
   'GenBuffers': {
     'type': 'GENn',
     'gl_test_func': 'glGenBuffersARB',
     'resource_type': 'Buffer',
     'resource_types': 'Buffers',
   },
   'GenMailboxCHROMIUM': {
     'type': 'HandWritten',
     'impl_func': False,
-    'extension': True,
+    'extension': "CHROMIUM_texture_mailbox",
     'chromium': True,
   },
   'GenFramebuffers': {
     'type': 'GENn',
     'gl_test_func': 'glGenFramebuffersEXT',
     'resource_type': 'Framebuffer',
     'resource_types': 'Framebuffers',
   },
   'GenRenderbuffers': {
     'type': 'GENn', 'gl_test_func': 'glGenRenderbuffersEXT',
@@ skipping 307 matching lines @@
       'extension': True,
       'chromium': True,
   },
   'ProduceTextureCHROMIUM': {
     'decoder_func': 'DoProduceTextureCHROMIUM',
     'impl_func': False,
     'type': 'PUT',
     'count': 64,  # GL_MAILBOX_SIZE_CHROMIUM
     'unit_test': False,
     'client_test': False,
-    'extension': True,
+    'extension': "CHROMIUM_texture_mailbox",
     'chromium': True,
     'trace_level': 1,
   },
   'ProduceTextureDirectCHROMIUM': {
     'decoder_func': 'DoProduceTextureDirectCHROMIUM',
     'impl_func': False,
     'type': 'PUT',
     'count': 64,  # GL_MAILBOX_SIZE_CHROMIUM
     'unit_test': False,
     'client_test': False,
-    'extension': True,
+    'extension': "CHROMIUM_texture_mailbox",
     'chromium': True,
     'trace_level': 1,
   },
   'RenderbufferStorage': {
     'decoder_func': 'DoRenderbufferStorage',
     'gl_test_func': 'glRenderbufferStorageEXT',
     'expectation': False,
   },
   'RenderbufferStorageMultisampleCHROMIUM': {
     'cmd_comment':
@@ skipping 551 matching lines @@
   },
   'LoseContextCHROMIUM': {
     'decoder_func': 'DoLoseContextCHROMIUM',
     'unit_test': False,
     'extension': True,
     'chromium': True,
   },
   'InsertSyncPointCHROMIUM': {
     'type': 'HandWritten',
     'impl_func': False,
-    'extension': True,
+    'extension': "CHROMIUM_sync_point",
     'chromium': True,
   },
   'WaitSyncPointCHROMIUM': {
     'type': 'Custom',
     'impl_func': True,
-    'extension': True,
+    'extension': "CHROMIUM_sync_point",
     'chromium': True,
     'trace_level': 1,
   },
   'DiscardBackbufferCHROMIUM': {
     'type': 'Custom',
     'impl_func': True,
     'extension': True,
     'chromium': True,
   },
   'ScheduleOverlayPlaneCHROMIUM': {
@@ skipping 5639 matching lines @@
     for func in self.original_functions:
       if not func.IsCoreGLFunction():
         continue
       file.Write("VISIT_GL_CALL(%s, %s, (%s), (%s))\n" %
                              (func.name, func.return_type,
                               func.MakeTypedOriginalArgString(""),
                               func.MakeOriginalArgString("")))
 
     file.Close()
 
+  def WriteMojoGLCallVisitorForExtension(self, filename, extension):
+    """Provides the GL implementation for mojo for a particular extension"""
+    file = CWriter(filename)
+    file.Write(_LICENSE)
+    file.Write(_DO_NOT_EDIT_WARNING)
+
+    for func in self.original_functions:
+      if func.GetInfo("extension") != extension:
+        continue
+      file.Write("VISIT_GL_CALL(%s, %s, (%s), (%s))\n" %
+                             (func.name, func.return_type,
+                              func.MakeTypedOriginalArgString(""),
+                              func.MakeOriginalArgString("")))
+
+    file.Close()
+
 def Format(generated_files):
   for filename in generated_files:
     call(["clang-format", "-i", "-style=chromium", filename])
 
 def main(argv):
   """This is the main function."""
   parser = OptionParser()
   parser.add_option(
       "--output-dir",
       help="base directory for resulting files, under chrome/src. default is "
@@ skipping 61 matching lines @@
   gen.WriteClientContextStateHeader("client/client_context_state_autogen.h")
   gen.WriteClientContextStateImpl(
       "client/client_context_state_impl_autogen.h")
   gen.WriteServiceUnitTests("service/gles2_cmd_decoder_unittest_%d_autogen.h")
   gen.WriteServiceUtilsHeader("service/gles2_cmd_validation_autogen.h")
   gen.WriteServiceUtilsImplementation(
       "service/gles2_cmd_validation_implementation_autogen.h")
   gen.WriteCommonUtilsHeader("common/gles2_cmd_utils_autogen.h")
   gen.WriteCommonUtilsImpl("common/gles2_cmd_utils_implementation_autogen.h")
   gen.WriteGLES2Header("../GLES2/gl2chromium_autogen.h")
-  gen.WriteMojoGLCallVisitor(
-      "../../mojo/public/c/gles2/gles2_call_visitor_autogen.h")
+  mojo_gles2_prefix = "../../mojo/public/c/gles2/gles2_call_visitor"
+  gen.WriteMojoGLCallVisitor(mojo_gles2_prefix + "_autogen.h")
+  gen.WriteMojoGLCallVisitorForExtension(
+      mojo_gles2_prefix + "_chromium_texture_mailbox_autogen.h",
+      "CHROMIUM_texture_mailbox")
+  gen.WriteMojoGLCallVisitorForExtension(
+      mojo_gles2_prefix + "_chromium_sync_point_autogen.h",
+      "CHROMIUM_sync_point")

[piman, 2014/08/12 20:50:34]

nit: would it make sense to gather all extensions from the entrypoint definition
list, and derive the list of extension files from there?

 
   Format([
       "common/gles2_cmd_format_autogen.h",
       "common/gles2_cmd_format_test_autogen.h",
       "common/gles2_cmd_ids_autogen.h",
       "common/gles2_cmd_utils_autogen.h",
       "common/gles2_cmd_utils_implementation_autogen.h",
       "client/client_context_state_autogen.h",
       "client/client_context_state_impl_autogen.h",
       "client/gles2_cmd_helper_autogen.h",
       "client/gles2_c_lib_autogen.h",
       "client/gles2_implementation_autogen.h",
       "client/gles2_implementation_impl_autogen.h",
       "client/gles2_implementation_unittest_autogen.h",
       "client/gles2_interface_autogen.h",
       "client/gles2_interface_stub_autogen.h",
       "client/gles2_interface_stub_impl_autogen.h",
       "client/gles2_trace_implementation_autogen.h",
       "client/gles2_trace_implementation_impl_autogen.h",
       "service/context_state_autogen.h",
       "service/context_state_impl_autogen.h",
       "service/gles2_cmd_decoder_autogen.h",
       "service/gles2_cmd_decoder_unittest_0_autogen.h",
       "service/gles2_cmd_decoder_unittest_1_autogen.h",
       "service/gles2_cmd_decoder_unittest_2_autogen.h",
       "service/gles2_cmd_decoder_unittest_3_autogen.h",
       "service/gles2_cmd_validation_autogen.h",
       "service/gles2_cmd_validation_implementation_autogen.h"])
   os.chdir("../..")
+  mojo_gles2_prefix = "mojo/public/c/gles2/gles2_call_visitor"
   Format([
       "gpu/GLES2/gl2chromium_autogen.h",
-      "mojo/public/c/gles2/gles2_call_visitor_autogen.h",
+      mojo_gles2_prefix + "_autogen.h",
+      mojo_gles2_prefix + "_chromium_texture_mailbox_autogen.h",
+      mojo_gles2_prefix + "_chromium_sync_point_autogen.h",
       "ppapi/c/dev/ppb_opengles2ext_dev.h",
       "ppapi/c/ppb_opengles2.h",
       "ppapi/lib/gl/gles2/gles2.c",
       "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:]))