genesis-3d_engine/Engine/rendersystem/d3d9/PrimitiveGroupD3D9.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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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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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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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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 "D3D9Types.h"
#include "PrimitiveGroupD3D9.h"

namespace D3D9
{
	__ImplementClass(PrimitiveGroupD3D9,'PGD9',PrimitiveGroup)
	using namespace RenderBase;

	//------------------------------------------------------------------------------
	/**
	*/
	PrimitiveGroupD3D9::PrimitiveGroupD3D9()
	{
	}

	PrimitiveGroupD3D9::~PrimitiveGroupD3D9()
	{
		m_vertexBuffer = 0;
		m_indexBuffer = 0;
	}

	void PrimitiveGroupD3D9::Discard()
	{
		m_vertexBuffer = 0;
		m_indexBuffer = 0;
	}

	bool PrimitiveGroupD3D9::IsDefaultPool()
	{
		if (m_vertexBuffer.isvalid())
		{
			if (D3DPOOL_DEFAULT == D3D9Types::AsD3D9Pool(m_vertexBuffer->GetUsage()))
			{
				return true;
			}
			
		}
		if (m_indexBuffer.isvalid())
		{
			if (D3DPOOL_DEFAULT == D3D9Types::AsD3D9Pool(m_indexBuffer->GetUsage()))
			{
				return true;
			}
		}
		
		return false;
	}

	void PrimitiveGroupD3D9::OnDeviceLost()
	{
		//TODO

		if (IsDefaultPool())
		{
			if (m_vertexBuffer.isvalid())
			{
				if (D3DPOOL_DEFAULT == D3D9Types::AsD3D9Pool(m_vertexBuffer->GetUsage()))
				{
					GPtr<VertexBufferD3D9> vb9 = m_vertexBuffer.downcast<VertexBufferD3D9>();
					vb9->OnDeviceLost();
				}
			}
			if (m_indexBuffer.isvalid())
			{
				if (D3DPOOL_DEFAULT == D3D9Types::AsD3D9Pool(m_indexBuffer->GetUsage()))
				{
					GPtr<IndexBufferD3D9> ib9 = m_indexBuffer.downcast<IndexBufferD3D9>();
					ib9->OnDeviceLost();
				}
			}		
		}

		
	}

	/// on device reset
	void PrimitiveGroupD3D9::OnDeviceReset()
	{
		if (IsDefaultPool())
		{
			if (m_vertexBuffer.isvalid())
			{
				if (D3DPOOL_DEFAULT == D3D9Types::AsD3D9Pool(m_vertexBuffer->GetUsage()))
				{
					GPtr<VertexBufferD3D9> vb9 = m_vertexBuffer.downcast<VertexBufferD3D9>();
					vb9->OnDeviceReset();
				}
			}
			if (m_indexBuffer.isvalid())
			{
				if (D3DPOOL_DEFAULT == D3D9Types::AsD3D9Pool(m_indexBuffer->GetUsage()))
				{
					GPtr<IndexBufferD3D9> ib9 = m_indexBuffer.downcast<IndexBufferD3D9>();
					ib9->OnDeviceReset();
				}
			}
		}
		
	}

	//--------------------------------------------------------------------------------
	void PrimitiveGroupD3D9::LoadBuffers(const VertexBufferData* vbd, const IndexBufferData* ibd)
	{
		n_assert(PrimitiveTopology::InvalidPrimitiveTopology !=  vbd->topology);
		
		SetBoundingBox(Math::bbox::Zero);
		if (vbd)
		{
			SetPrimitiveTopology(vbd->topology);
			n_assert(NULL == m_vertexBuffer);
			SetBaseVertex(0);
			SetNumVertices(vbd->vertexCount);

			GPtr<VertexBufferD3D9> out;
			VertexBufferD3D9::CreateVertexBuffer(vbd, out);
			m_vertexBuffer = out;
		}

		//copy index data
		if (ibd)
		{
			n_assert(NULL == m_indexBuffer);
			SetBaseIndex(0);
			SetNumIndices(ibd->indexCount);

			GPtr<IndexBufferD3D9> out;
			IndexBufferD3D9::CreateIndexBuffer(ibd, out);
			m_indexBuffer = out;
		}
	}
}
#endif