80 lines
2.4 KiB
C++
80 lines
2.4 KiB
C++
// Copyright (C) 2008-2012 Nikolaus Gebhardt
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#ifndef IRR_I_INDEX_BUFFER_H_INCLUDED
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#define IRR_I_INDEX_BUFFER_H_INCLUDED
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#include "IReferenceCounted.h"
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#include "irrArray.h"
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#include "EHardwareBufferFlags.h"
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#include "SVertexIndex.h"
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namespace irr
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{
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namespace scene
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{
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class IIndexBuffer : public virtual IReferenceCounted
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{
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public:
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//! Pointer to first element
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virtual void* getData() =0;
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//! Const pointer to first element
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virtual const void* getData() const =0;
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//! Same as getData(), just closer to core::array interface
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void* pointer() { return getData(); }
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virtual video::E_INDEX_TYPE getType() const =0;
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//! Change between 16 and 32 bit indices.
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/** This copies all indices to a new buffer of corresponding type.
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Be careful - going from 32 to 16 bit will only work correctly
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if none of your indices is larger than 16 bit. */
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virtual void setType(video::E_INDEX_TYPE IndexType) =0;
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//! Number of bytes per element
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virtual u32 stride() const =0;
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//! Number of elements
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virtual u32 size() const =0;
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//! Add value to end. Note that for 16 bit index types values shouldn't be larger than u16
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virtual void push_back(u32 value) =0;
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//! Set value at index. Note that for 16 bit index types values shouldn't be larger than u16
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/** Buffer must be already large enough. This is basically the non const version of operator [] */
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virtual void setValue(u32 index, u32 value) =0;
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//! Access element value at given index
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virtual u32 operator [](u32 index) const =0;
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virtual u32 getLast() =0;
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virtual void set_used(u32 usedNow) =0;
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virtual void reallocate(u32 new_size, bool canShrink=true) =0;
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virtual u32 allocated_size() const=0;
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//! get the current hardware mapping hint
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virtual E_HARDWARE_MAPPING getHardwareMappingHint() const =0;
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//! set the hardware mapping hint, for driver
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virtual void setHardwareMappingHint( E_HARDWARE_MAPPING NewMappingHint ) =0;
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//! flags the meshbuffer as changed, reloads hardware buffers
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virtual void setDirty() = 0;
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//! Get the currently used ID for identification of changes.
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/** This shouldn't be used for anything outside the VideoDriver. */
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virtual u32 getChangedID() const = 0;
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};
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} // end namespace scene
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} // end namespace irr
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#endif
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