gpu: Add calling convention for win32

skia/skia.gyp

 # 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.
 
 {
   'conditions': [
     # In component mode (shared_lib), we build all of skia as a single DLL.
     # However, in the static mode, we need to build skia as multiple targets
     # in order to support the use case where a platform (e.g. Android) may
     # already have a copy of skia as a system library.
@@ skipping 20 matching lines @@
           'target_name': 'skia',
           'type': 'none',
           'dependencies': [
             'skia_library',
             'skia_chrome',
           ],
           'export_dependent_settings': [
             'skia_library',
             'skia_chrome',
           ],
+          'direct_dependent_settings': {
+            'conditions': [
+              [ 'OS == "win"', {
+                'defines': [
+                  'GR_GL_FUNCTION_TYPE=__stdcall',
+                ],
+              }],
+            ],
+          },
         },
         {
           'target_name': 'skia_chrome',
           'type': 'static_library',
           'includes': [
             'skia_chrome.gypi',
             'skia_common.gypi',
             '../build/android/increase_size_for_speed.gypi',
           ],
         },
@@ skipping 12 matching lines @@
             'skia_chrome.gypi',
             'skia_library.gypi',
             '../build/android/increase_size_for_speed.gypi',
           ],
           'defines': [
             'SKIA_DLL',
             'SKIA_IMPLEMENTATION=1',
             'GR_GL_IGNORE_ES3_MSAA=0',
           ],
           'direct_dependent_settings': {
+            'conditions': [
+              [ 'OS == "win"', {
+                'defines': [
+                  'GR_GL_FUNCTION_TYPE=__stdcall',
+                ],
+              }],
+            ],
             'defines': [
               'SKIA_DLL',
               'GR_GL_IGNORE_ES3_MSAA=0',
             ],
           },
         },
         {
           'target_name': 'skia_library',
           'type': 'none',
         },
@@ skipping 47 matching lines @@
         '../third_party/mojo/mojom_bindings_generator.gypi',
       ],
       'sources': [
         # Note: file list duplicated in GN build.
         'public/interfaces/bitmap.mojom',
         'public/type_converters.cc',
       ],
     },
   ],
 }