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104 lines
2.0 KiB
C++
104 lines
2.0 KiB
C++
// Copyright (C) 2002-2012 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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#pragma once
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#include <vector>
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#include "IIndexBuffer.h"
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// Define to receive warnings when violating the hw mapping hints
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//#define INDEXBUFFER_HINT_DEBUG
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#ifdef INDEXBUFFER_HINT_DEBUG
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#include "../src/os.h"
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#endif
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namespace irr
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{
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namespace scene
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{
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//! Template implementation of the IIndexBuffer interface
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template <class T>
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class CIndexBuffer final : public IIndexBuffer
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{
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public:
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//! Default constructor for empty buffer
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CIndexBuffer()
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{
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#ifdef _DEBUG
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setDebugName("CIndexBuffer");
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#endif
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}
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video::E_INDEX_TYPE getType() const override
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{
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static_assert(sizeof(T) == 2 || sizeof(T) == 4, "invalid index type");
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return sizeof(T) == 2 ? video::EIT_16BIT : video::EIT_32BIT;
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}
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const void *getData() const override
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{
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return Data.data();
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}
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void *getData() override
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{
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return Data.data();
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}
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u32 getCount() const override
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{
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return static_cast<u32>(Data.size());
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}
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E_HARDWARE_MAPPING getHardwareMappingHint() const override
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{
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return MappingHint;
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}
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void setHardwareMappingHint(E_HARDWARE_MAPPING NewMappingHint) override
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{
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MappingHint = NewMappingHint;
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}
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void setDirty() override
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{
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++ChangedID;
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#ifdef INDEXBUFFER_HINT_DEBUG
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if (MappingHint == EHM_STATIC && HWBuffer) {
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char buf[100];
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snprintf_irr(buf, sizeof(buf), "CIndexBuffer @ %p modified, but it has a static hint", this);
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os::Printer::log(buf, ELL_WARNING);
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}
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#endif
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}
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u32 getChangedID() const override { return ChangedID; }
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void setHWBuffer(void *ptr) const override
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{
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HWBuffer = ptr;
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}
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void *getHWBuffer() const override
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{
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return HWBuffer;
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}
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u32 ChangedID = 1;
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//! hardware mapping hint
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E_HARDWARE_MAPPING MappingHint = EHM_NEVER;
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mutable void *HWBuffer = nullptr;
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//! Indices of this buffer
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std::vector<T> Data;
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};
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//! Standard 16-bit buffer
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typedef CIndexBuffer<u16> SIndexBuffer;
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} // end namespace scene
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} // end namespace irr
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