diff --git a/source/Irrlicht/CNullDriver.h b/source/Irrlicht/CNullDriver.h
index 0edbee0fa..aefea980a 100644
--- a/source/Irrlicht/CNullDriver.h
+++ b/source/Irrlicht/CNullDriver.h
@@ -82,6 +82,8 @@ namespace video
 		//! Returns amount of textures currently loaded
 		u32 getTextureCount() const override;
 
+		virtual size_t getGPUFreeVBOMemory() { return 0; }
+
 		ITexture* addTexture(const core::dimension2d<u32>& size, const io::path& name, ECOLOR_FORMAT format = ECF_A8R8G8B8) override;
 
 		ITexture* addTexture(const io::path& name, IImage* image) override;
diff --git a/source/Irrlicht/COpenGLDriver.h b/source/Irrlicht/COpenGLDriver.h
index 5475d6fe8..20517b1e9 100644
--- a/source/Irrlicht/COpenGLDriver.h
+++ b/source/Irrlicht/COpenGLDriver.h
@@ -68,6 +68,8 @@ namespace video
 			GLuint vbo_indicesSize; //tmp
 		};
 
+		virtual size_t getGPUFreeVBOMemory() { return COpenGLExtensionHandler::getGPUFreeVBOMemory(); }
+
 		virtual bool convertToOpenGLColors(SHWBufferLink* HWBuffer, c8* vertexBuffer, u32 vertexCount) override;
 		virtual bool subUpdateVertexHardwareBuffer(SHWBufferLink* HWBuffer, c8* vertexBuffer, u32 vertexCount, u32 offset) override;
 		virtual bool subUpdateIndexHardwareBuffer(SHWBufferLink* HWBuffer, c8* indices, u32 indexCount, u32 offset) override;
diff --git a/source/Irrlicht/COpenGLExtensionHandler.cpp b/source/Irrlicht/COpenGLExtensionHandler.cpp
index 44cd489a0..93751241a 100644
--- a/source/Irrlicht/COpenGLExtensionHandler.cpp
+++ b/source/Irrlicht/COpenGLExtensionHandler.cpp
@@ -648,6 +648,28 @@ bool COpenGLExtensionHandler::queryFeature(E_VIDEO_DRIVER_FEATURE feature) const
 }
 
 
+size_t COpenGLExtensionHandler::getGPUFreeVBOMemory() {
+
+	if (FeatureAvailable[IRR_NVX_gpu_memory_info])
+	{
+		// undocumented flags, so use the RAW values
+		GLint val;
+		glGetIntegerv(0x9049, &val);
+		return val;
+	}
+
+	#ifdef GL_ATI_meminfo
+		if (FeatureAvailable[IRR_ATI_meminfo])
+		{
+			GLint val[4];
+			glGetIntegerv(GL_VBO_FREE_MEMORY_ATI, val);
+			return val[0];
+		}
+	#endif
+
+	return 0;
+}
+
 }
 }
 
diff --git a/source/Irrlicht/COpenGLExtensionHandler.h b/source/Irrlicht/COpenGLExtensionHandler.h
index e3b4bb58d..0eaa836d6 100644
--- a/source/Irrlicht/COpenGLExtensionHandler.h
+++ b/source/Irrlicht/COpenGLExtensionHandler.h
@@ -1009,6 +1009,8 @@ class COpenGLExtensionHandler
 		return FeatureAvailable[feature];
 	}
 
+	size_t getGPUFreeVBOMemory();
+
 	//! show all features with availability
 	void dump(ELOG_LEVEL logLevel) const;