Repo created

libs/drape/gl_extensions_list.cpp

@@ -0,0 +1,40 @@
+#include "drape/gl_extensions_list.hpp"
+#include "drape/gl_functions.hpp"
+
+#include "base/assert.hpp"
+
+#include "std/target_os.hpp"
+
+namespace dp
+{
+void GLExtensionsList::Init()
+{
+#ifdef OMIM_OS_ANDROID
+  // NOTE: MapBuffer/MapBufferRange are disabled by performance reasons according to
+  // https://github.com/organicmaps/organicmaps/commit/d72ab7c8cd8be0eb5a622d9d33ae943b391d5707
+  SetExtension(MapBuffer, false);
+#else
+  SetExtension(MapBuffer, true);
+#endif
+}
+
+bool GLExtensionsList::IsSupported(ExtensionName extName) const
+{
+  auto const it = m_supportedMap.find(extName);
+  if (it != m_supportedMap.end())
+    return it->second;
+
+  ASSERT(false, ("Not all used extensions are checked"));
+  return false;
+}
+
+void GLExtensionsList::CheckExtension(ExtensionName enumName, std::string const & extName)
+{
+  m_supportedMap[enumName] = GLFunctions::glHasExtension(extName);
+}
+
+void GLExtensionsList::SetExtension(ExtensionName enumName, bool isSupported)
+{
+  m_supportedMap[enumName] = isSupported;
+}
+}  // namespace dp