genesis-3d_engine/Engine/rendersystem/d3d9/IndexBufferD3D9.cc

/****************************************************************************
Copyright (C) 2007 Radon Labs GmbH
Copyright (c) 2011-2013,WebJet Business Division,CYOU
 
http://www.genesis-3d.com.cn

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
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The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/

#if WIN32


#include "stdneb.h"
#include "profilesystem/ProfileSystem.h"
#include "IndexBufferD3D9.h"
#include "RenderDeviceD3D9.h"
#include "D3D9Types.h"
namespace D3D9
{
	__ImplementClass(IndexBufferD3D9,'IBD9',RenderBase::IndexBuffer)
	IndexBufferD3D9::IndexBufferD3D9():m_d3d9IndexBuffer(NULL)
	{

	}

	IndexBufferD3D9::~IndexBufferD3D9()
	{
		Discard();
	}

	void IndexBufferD3D9::UpdateData(const RenderBase::DataStream& stream)
	{
		n_assert(stream.data);
		n_assert(indexDataSize >= stream.sizeInByte);
		if (m_d3d9IndexBuffer)
		{
			void* dstPtr = 0;
			HRESULT hr = GetD3D9IndexBuffer()->Lock(0, 0, &dstPtr, RenderResource::UsageDynamic == GetUsage() ? D3DLOCK_DISCARD : 0);//D3DLOCK_NOSYSLOCKHasCpuBuffer()? D3DLOCK_DISCARD : 
			n_assert(SUCCEEDED(hr));
			n_assert(0 != dstPtr);
			Memory::CopyToGraphicsMemory(stream.data, dstPtr, stream.sizeInByte);
			hr = GetD3D9IndexBuffer()->Unlock();
			n_assert(SUCCEEDED(hr));
		}
	}

	void IndexBufferD3D9::CreateIndexBuffer(const RenderBase::IndexBufferData* ibd, GPtr<IndexBufferD3D9>& out)
	{
		out = IndexBufferD3D9::Create();

		RenderDeviceD3D9* device = RenderDeviceD3D9::Instance();
		// create a d3d9 index buffer object
		DWORD d3dIndexBufferSize = IndexBufferData::SizeOf(ibd->indexType) * ibd->indexCount;
		
		out->_SetIndexDataSize(d3dIndexBufferSize);
		out->_SetNumIndices(ibd->indexCount);
		out->_SetIndexType(ibd->indexType);
		out->_SetUsage(ibd->usage);

		D3DPOOL d3dPool     = D3D9Types::AsD3D9Pool(ibd->usage);
		DWORD d3dUsage      = D3D9Types::AsD3D9Usage(ibd->usage);

		D3DFORMAT d3dFormat = D3D9Types::IndexTypeAsD3D9Format(ibd->indexType);
		IDirect3DIndexBuffer9* d3dIndexBuffer = 0;
		HRESULT hr = device->CreateIndexBuffer(d3dIndexBufferSize,     // Length,
			d3dUsage,                // Usage
			d3dFormat,               // Format
			d3dPool,                 // Pool
			&d3dIndexBuffer,         // ppIndexBuffer
			NULL);                   // pSharedHandle
		n_assert(SUCCEEDED(hr));
		n_assert(0 != d3dIndexBuffer);
		out->SetD3D9IndexBuffer(d3dIndexBuffer);

		// setup initial data if provided
		if (NULL != ibd->stream)
		{
			// copy data to d3d9 index buffer
			void* dstPtr = 0;
			hr = d3dIndexBuffer->Lock(0, 0, &dstPtr, RenderResource::UsageDynamic == out->GetUsage() ? D3DLOCK_DISCARD : 0);
			n_assert(SUCCEEDED(hr));
			n_assert(0 != dstPtr);
			Memory::CopyToGraphicsMemory(ibd->stream, dstPtr, d3dIndexBufferSize);
			hr = d3dIndexBuffer->Unlock();
			n_assert(SUCCEEDED(hr));		

		}
		PROFILER_ADDDEVICESTATEVAL(videoRam, d3dIndexBufferSize);
		PROFILER_ADDDEVICESTATEVAL(vboRam, d3dIndexBufferSize);
	}

	void IndexBufferD3D9::Discard()
	{
		if ( m_d3d9IndexBuffer )
		{
			m_d3d9IndexBuffer->Release();
			m_d3d9IndexBuffer = NULL;
		}
		PROFILER_ADDDEVICESTATEVAL(videoRam, -GetIndexDataSize());
		PROFILER_ADDDEVICESTATEVAL(vboRam, -GetIndexDataSize());
	}

	/// on device lost
	void IndexBufferD3D9::OnDeviceLost()
	{
		Discard();
	}
	/// on device reset
	void IndexBufferD3D9::OnDeviceReset()
	{
		n_assert(NULL == m_d3d9IndexBuffer);
		RenderDeviceD3D9* device = RenderDeviceD3D9::Instance();
		DWORD d3dIndexBufferSize = GetIndexDataSize();
		D3DPOOL d3dPool     = D3D9Types::AsD3D9Pool(GetUsage());
		DWORD d3dUsage      = D3D9Types::AsD3D9Usage(GetUsage());
		D3DFORMAT d3dFormat = D3D9Types::IndexTypeAsD3D9Format(GetIndexType());
		IDirect3DIndexBuffer9* d3dIndexBuffer = 0;
		HRESULT hr = device->CreateIndexBuffer(d3dIndexBufferSize,     // Length,
			d3dUsage,                // Usage
			d3dFormat,               // Format
			d3dPool,                 // Pool
			&d3dIndexBuffer,         // ppIndexBuffer
			NULL);                   // pSharedHandle
		n_assert(SUCCEEDED(hr));
		n_assert(0 != d3dIndexBuffer);		
		void* dstPtr = 0;
		hr = d3dIndexBuffer->Lock(0, 0, &dstPtr, RenderResource::UsageDynamic == GetUsage() ? D3DLOCK_DISCARD : 0);
		n_assert(SUCCEEDED(hr));
		n_assert(0 != dstPtr);
		Memory::Clear(dstPtr, d3dIndexBufferSize);
		d3dIndexBuffer->Unlock();
		SetD3D9IndexBuffer(d3dIndexBuffer);

	}
}
#endif