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include/Nazara/Renderer/Buffer.hpp

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+// Copyright (C) 2012 Jérôme Leclercq
+// This file is part of the "Nazara Engine".
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#pragma once
+
+#ifndef NAZARA_BUFFER_HPP
+#define NAZARA_BUFFER_HPP
+
+#include <Nazara/Prerequesites.hpp>
+#include <Nazara/Utility/Resource.hpp>
+
+enum nzBufferLock
+{
+	nzBufferLock_DiscardAndWrite,
+	nzBufferLock_ReadOnly,
+	nzBufferLock_ReadWrite,
+	nzBufferLock_WriteOnly
+};
+
+enum nzBufferStorage
+{
+	nzBufferStorage_Hardware,
+	nzBufferStorage_Software
+};
+
+enum nzBufferType
+{
+	nzBufferType_Index,
+	nzBufferType_Vertex
+};
+
+enum nzBufferUsage
+{
+	nzBufferUsage_Dynamic,
+	nzBufferUsage_Static
+};
+
+class NzBufferImpl;
+class NzRenderer;
+
+class NAZARA_API NzBuffer : public NzResource
+{
+	friend class NzRenderer;
+
+	public:
+		NzBuffer(nzBufferType type);
+		NzBuffer(nzBufferType type, unsigned int length, nzUInt8 typeSize, nzBufferUsage usage = nzBufferUsage_Static);
+		~NzBuffer();
+
+		bool CopyContent(NzBuffer& buffer);
+
+		bool Create(unsigned int length, nzUInt8 typeSize, nzBufferUsage usage = nzBufferUsage_Static);
+		void Destroy();
+
+		bool Fill(const void* data, unsigned int offset, unsigned int length);
+
+		unsigned int GetLength() const;
+		unsigned int GetSize() const;
+		nzBufferStorage GetStorage() const;
+		nzBufferType GetType() const;
+		nzUInt8 GetTypeSize() const;
+		nzBufferUsage GetUsage() const;
+
+		bool IsHardware() const;
+
+		void* Lock(nzBufferLock lock, unsigned int offset = 0, unsigned int length = 0);
+		bool Unlock();
+
+		static bool IsHardwareSupported();
+
+	private:
+		nzBufferStorage m_storage;
+		nzBufferType m_type;
+		nzBufferUsage m_usage;
+		nzUInt8 m_typeSize;
+		NzBufferImpl* m_impl;
+		unsigned int m_length;
+
+};
+
+#endif // NAZARA_BUFFER_HPP