60 lines
1.7 KiB
C++
60 lines
1.7 KiB
C++
// Copyright (C) 2013 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Utility module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#pragma once
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#ifndef NAZARA_INDEXBUFFER_HPP
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#define NAZARA_INDEXBUFFER_HPP
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#include <Nazara/Prerequesites.hpp>
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#include <Nazara/Core/Resource.hpp>
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#include <Nazara/Core/ResourceRef.hpp>
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#include <Nazara/Utility/Buffer.hpp>
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class NzIndexBuffer;
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using NzIndexBufferConstRef = NzResourceRef<const NzIndexBuffer>;
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using NzIndexBufferRef = NzResourceRef<NzIndexBuffer>;
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class NAZARA_API NzIndexBuffer : public NzResource
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{
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public:
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NzIndexBuffer(NzBuffer* buffer, unsigned int startIndex, unsigned int indexCount);
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NzIndexBuffer(unsigned int length, bool largeIndices = false, nzBufferStorage storage = nzBufferStorage_Software, nzBufferUsage usage = nzBufferUsage_Static);
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NzIndexBuffer(const NzIndexBuffer& indexBuffer);
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~NzIndexBuffer();
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unsigned int ComputeCacheMissCount() const;
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bool Fill(const void* data, unsigned int offset, unsigned int length, bool forceDiscard = false);
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NzBuffer* GetBuffer() const;
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unsigned int GetIndexCount() const;
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void* GetPointer();
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const void* GetPointer() const;
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unsigned int GetStartIndex() const;
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bool HasLargeIndices() const;
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bool IsHardware() const;
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bool IsSequential() const;
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void* Map(nzBufferAccess access, unsigned int offset = 0, unsigned int length = 0);
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void* Map(nzBufferAccess access, unsigned int offset = 0, unsigned int length = 0) const;
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void Optimize();
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bool SetStorage(nzBufferStorage storage);
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void Unmap() const;
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private:
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NzBufferRef m_buffer;
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bool m_ownsBuffer;
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unsigned int m_indexCount;
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unsigned int m_startIndex;
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};
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#endif // NAZARA_INDEXBUFFER_HPP
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