diff --git a/src/OpenGL/libGLESv2/Renderbuffer.cpp b/src/OpenGL/libGLESv2/Renderbuffer.cpp
index 2f641f6..9118713 100644
--- a/src/OpenGL/libGLESv2/Renderbuffer.cpp
+++ b/src/OpenGL/libGLESv2/Renderbuffer.cpp
@@ -191,6 +191,11 @@
 	return mTexture3D->getHeight(mTexture3D->getTarget(), mLevel);
 }
 
+GLsizei RenderbufferTexture3D::getDepth() const
+{
+	return mTexture3D->getDepth(mTexture3D->getTarget(), mLevel);
+}
+
 GLenum RenderbufferTexture3D::getFormat() const
 {
 	return mTexture3D->getFormat(mTexture3D->getTarget(), mLevel);
@@ -332,6 +337,11 @@
 	return mInstance->getHeight();
 }
 
+GLsizei Renderbuffer::getDepth() const
+{
+	return mInstance->getDepth();
+}
+
 GLint Renderbuffer::getLayer() const
 {
 	return mInstance->getLayer();