154 lines
2.7 KiB
C++
154 lines
2.7 KiB
C++
#include "StdAfx.h"
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#include "EterBase/Stl.h"
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#include "GrpIndexBuffer.h"
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#include "StateManager.h"
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LPDIRECT3DINDEXBUFFER9 CGraphicIndexBuffer::GetD3DIndexBuffer() const
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{
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assert(m_lpd3dIdxBuf != NULL);
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return m_lpd3dIdxBuf;
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}
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void CGraphicIndexBuffer::SetIndices(int startIndex) const
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{
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assert(ms_lpd3dDevice != NULL);
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STATEMANAGER.SetIndices(m_lpd3dIdxBuf, startIndex);
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}
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bool CGraphicIndexBuffer::Lock(void** pretIndices) const
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{
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assert(m_lpd3dIdxBuf != NULL);
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if (!m_lpd3dIdxBuf)
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return false;
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if (FAILED(m_lpd3dIdxBuf->Lock(0, 0, pretIndices, 0)))
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return false;
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return true;
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}
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void CGraphicIndexBuffer::Unlock() const
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{
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assert(m_lpd3dIdxBuf != NULL);
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if (!m_lpd3dIdxBuf)
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return;
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m_lpd3dIdxBuf->Unlock();
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}
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bool CGraphicIndexBuffer::Lock(void** pretIndices)
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{
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assert(m_lpd3dIdxBuf != NULL);
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if (!m_lpd3dIdxBuf)
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return false;
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if (FAILED(m_lpd3dIdxBuf->Lock(0, 0, pretIndices, 0)))
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return false;
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return true;
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}
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void CGraphicIndexBuffer::Unlock()
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{
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assert(m_lpd3dIdxBuf != NULL);
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if (!m_lpd3dIdxBuf)
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return;
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m_lpd3dIdxBuf->Unlock();
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}
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bool CGraphicIndexBuffer::Copy(int bufSize, const void* srcIndices)
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{
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assert(m_lpd3dIdxBuf != NULL);
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BYTE* dstIndices;
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if (FAILED(m_lpd3dIdxBuf->Lock(0, 0, (void**)&dstIndices, 0)))
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return false;
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memcpy(dstIndices, srcIndices, bufSize);
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m_lpd3dIdxBuf->Unlock();
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return true;
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}
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bool CGraphicIndexBuffer::Create(int faceCount, TFace* faces)
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{
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int idxCount = faceCount * 3;
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m_iidxCount = idxCount;
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if (!Create(idxCount, D3DFMT_INDEX16))
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return false;
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WORD* dstIndices;
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if (FAILED(m_lpd3dIdxBuf->Lock(0, 0, (void**)&dstIndices, 0)))
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return false;
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for (int i = 0; i < faceCount; ++i, dstIndices += 3)
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{
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TFace* curFace = faces + i;
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dstIndices[0] = curFace->indices[0];
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dstIndices[1] = curFace->indices[1];
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dstIndices[2] = curFace->indices[2];
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}
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m_lpd3dIdxBuf->Unlock();
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return true;
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}
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bool CGraphicIndexBuffer::CreateDeviceObjects()
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{
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if (FAILED(ms_lpd3dDevice->CreateIndexBuffer(
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m_dwBufferSize,
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D3DUSAGE_WRITEONLY,
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m_d3dFmt,
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D3DPOOL_DEFAULT,
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&m_lpd3dIdxBuf,
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NULL)
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))
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return false;
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return true;
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}
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void CGraphicIndexBuffer::DestroyDeviceObjects()
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{
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safe_release(m_lpd3dIdxBuf);
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}
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bool CGraphicIndexBuffer::Create(int idxCount, D3DFORMAT d3dFmt)
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{
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Destroy();
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m_iidxCount = idxCount;
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UINT bytesPerIndex = (d3dFmt == D3DFMT_INDEX32) ? 4u : 2u;
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m_dwBufferSize = bytesPerIndex * idxCount;
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m_d3dFmt = d3dFmt;
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return CreateDeviceObjects();
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}
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void CGraphicIndexBuffer::Destroy()
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{
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DestroyDeviceObjects();
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}
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void CGraphicIndexBuffer::Initialize()
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{
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m_lpd3dIdxBuf = NULL;
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}
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CGraphicIndexBuffer::CGraphicIndexBuffer()
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{
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Initialize();
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}
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CGraphicIndexBuffer::~CGraphicIndexBuffer()
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{
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Destroy();
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}
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