1 files changed, 43 insertions, 0 deletions
diff --git a/android/jni/com/mapswithme/opengl/android_gl_utils.hpp b/android/jni/com/mapswithme/opengl/android_gl_utils.hpp
new file mode 100644
index 0000000000..17c910c53f
--- /dev/null
+++ b/android/jni/com/mapswithme/opengl/android_gl_utils.hpp
@@ -0,0 +1,43 @@
+#pragma once
+
+#include <EGL/egl.h>
+#include <GLES2/gl2.h>
+
+namespace android
+{
+
+class ConfigComparator
+{
+public:
+  ConfigComparator(EGLDisplay display)
+    : m_display(display)
+  {}
+
+  int operator()(EGLConfig const & l, EGLConfig const & r) const
+  {
+    return configWeight(l) - configWeight(r);
+  }
+
+  int configWeight(EGLConfig const & config) const
+  {
+    int val = -1;
+    eglGetConfigAttrib(m_display, config, EGL_CONFIG_CAVEAT, &val);
+
+    switch (val)
+    {
+      case EGL_NONE:
+        return 0;
+      case EGL_SLOW_CONFIG:
+        return 1;
+      case EGL_NON_CONFORMANT_CONFIG:
+        return 2;
+      default:
+        return 0;
+    }
+  }
+
+private:
+  EGLDisplay m_display;
+};
+
+} // namespace android