OcclusionQuery renamed to GpuQuery, and added query modes

Former-commit-id: b36a9b623653ac9b1eb422b09b3781ef46b81aca

include/Nazara/Renderer/GpuQuery.hpp

@@ -0,0 +1,34 @@
+// Copyright (C) 2013 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Renderer module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#pragma once
+
+#ifndef NAZARA_GPUQUERY_HPP
+#define NAZARA_GPUQUERY_HPP
+
+#include <Nazara/Prerequesites.hpp>
+#include <Nazara/Core/NonCopyable.hpp>
+#include <Nazara/Renderer/Enums.hpp>
+
+class NAZARA_API NzGpuQuery : NzNonCopyable
+{
+	public:
+		NzGpuQuery();
+		~NzGpuQuery();
+
+		void Begin(nzGpuQueryMode mode);
+		void End();
+
+		unsigned int GetResult() const;
+
+		bool IsResultAvailable() const;
+
+		static bool IsModeSupported(nzGpuQueryMode mode);
+		static bool IsSupported();
+
+	private:
+		unsigned int m_id;
+};
+
+#endif // NAZARA_GPUQUERY_HPP