Ozone X11 platform

ui/ozone/common/egl_util.cc

 // Copyright 2014 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.
 
 #include "ui/ozone/common/egl_util.h"
 
 #include "base/files/file_path.h"
 
 namespace ui {
 namespace {
@@ skipping 44 matching lines @@
     return false;
   }
 
   set_gl_get_proc_address.Run(get_proc_address);
   add_gl_library.Run(egl_library);
   add_gl_library.Run(gles_library);
 
   return true;
 }
 
+void* ChooseEGLConfig(const SurfaceFactoryOzone::EglConfigInfo& egl,
+                      const int32* attributes) {
+  void* config;
+  int32 num_configs;
+  if (!egl.choose_config.Run(attributes, NULL, 0, &num_configs)) {
+    LOG(ERROR) << "eglChooseConfig failed with error "
+               << egl.get_last_error_string.Run();
+    return nullptr;
+  }
+
+  if (num_configs == 0) {
+    LOG(ERROR) << "No suitable EGL configs found.";
+    return nullptr;
+  }
+
+  if (!egl.choose_config.Run(attributes, &config, 1, &num_configs)) {
+    LOG(ERROR) << "eglChooseConfig failed with error "
+               << egl.get_last_error_string.Run();
+    return nullptr;
+  }
+  return config;
+}
+
 }  // namespace ui