genesis-3d_engine/Engine/rendersystem/d3d9/VertexBufferD3D9.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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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 "RenderDeviceD3D9.h"
#include "VertexBufferD3D9.h"
#include "VertexLayoutD3D9.h"
#include "D3D9Types.h"

namespace D3D9
{
	__ImplementClass(VertexBufferD3D9,'VBD9',RenderBase::VertexBuffer)
	VertexBufferD3D9::VertexBufferD3D9(): m_d3d9VertexBuffer(NULL)
	{
	}

	VertexBufferD3D9::~VertexBufferD3D9()
	{
		Discard();
	}

	void VertexBufferD3D9::UpdateData(const RenderBase::DataStream& stream)
	{
		n_assert(stream.data);
		n_assert(vertexDataSize >= stream.sizeInByte);
		if (m_d3d9VertexBuffer)
		{
			void* dstPtr = 0;
			HRESULT hr = GetD3D9VertexBuffer()->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 = GetD3D9VertexBuffer()->Unlock();
			n_assert(SUCCEEDED(hr));
		}

	}

	/// on device lost
	void VertexBufferD3D9::OnDeviceLost()
	{
		if ( m_d3d9VertexBuffer )
		{
			m_d3d9VertexBuffer->Release();
			m_d3d9VertexBuffer = NULL;
		}
	}
	/// on device reset
	void VertexBufferD3D9::OnDeviceReset()
	{
		if (m_d3d9VertexBuffer)
		{
			return;
		}
		RenderDeviceD3D9* device = RenderDeviceD3D9::Instance();
		// create a d3d9 vertex buffer object
		DWORD d3dVertexBufferSize = GetNumVertices() * GetVertexLayout()->GetVertexByteSize();
		D3DPOOL d3dPool     = D3D9Types::AsD3D9Pool(GetUsage());
		DWORD d3dUsage      = D3D9Types::AsD3D9Usage(GetUsage());

		IDirect3DVertexBuffer9* d3dVertexBuffer = 0;
		HRESULT hr = device->CreateVertexBuffer(d3dVertexBufferSize,        // Length
			d3dUsage,                   // Usage
			0,//D3DFVF_XYZ|D3DFVF_DIFFUSE,                          // FVF
			d3dPool,                    // Pool
			&d3dVertexBuffer,           // ppVertexBuffer
			NULL);                      // pSharedHandle
		n_assert(SUCCEEDED(hr));
		n_assert(0 != d3dVertexBuffer);
		void* dstPtr = 0;
		hr = d3dVertexBuffer->Lock(0, 0, &dstPtr, RenderResource::UsageDynamic == GetUsage() ? D3DLOCK_DISCARD : 0);
		n_assert(SUCCEEDED(hr));
		n_assert(0 != dstPtr);

		Memory::Clear(dstPtr, d3dVertexBufferSize);

		hr = d3dVertexBuffer->Unlock();

		_SetD3D9VertexBuffer(d3dVertexBuffer);
	}

	void VertexBufferD3D9::CreateVertexBuffer(const RenderBase::VertexBufferData* vbd, GPtr<VertexBufferD3D9>& out)
	{
		out = VertexBufferD3D9::Create();
		GPtr<VertexLayoutD3D9> layout = VertexLayoutD3D9::Create();
		layout->Setup(vbd->vertex.vertexComponents);
		layout->GenerateDeclarationD3D9();

		RenderDeviceD3D9* device = RenderDeviceD3D9::Instance();
		// create a d3d9 vertex buffer object
		DWORD d3dVertexBufferSize = vbd->vertexCount * layout->GetVertexByteSize();

		
		out->_SetVertexDataSize(d3dVertexBufferSize);
		out->_SetNumVertices(vbd->vertexCount);
		out->_SetUsage(vbd->usage);
		out->_SetD3d9VertexLayout(layout);

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


		IDirect3DVertexBuffer9* d3dVertexBuffer = 0;
		HRESULT hr = device->CreateVertexBuffer(d3dVertexBufferSize,        // Length
			d3dUsage,                   // Usage
			0,//D3DFVF_XYZ|D3DFVF_DIFFUSE,                          // FVF
			d3dPool,                    // Pool
			&d3dVertexBuffer,           // ppVertexBuffer
			NULL);                      // pSharedHandle
		n_assert(SUCCEEDED(hr));
		n_assert(0 != d3dVertexBuffer);
		out->_SetD3D9VertexBuffer(d3dVertexBuffer);

		// setup initial data if provided
		n_assert(vbd->vertexCount != 0);

		if (vbd->vertex.vertexComponentStreams.Size())
		{
			// copy vertex data to vertex buffer
			void* dstPtr = 0;
			hr = d3dVertexBuffer->Lock(0, 0, &dstPtr, RenderResource::UsageDynamic == out->GetUsage() ? D3DLOCK_DISCARD : 0);//D3DLOCK_NOSYSLOCKvb->HasCpuBuffer() ? D3DLOCK_DISCARD:
			n_assert(SUCCEEDED(hr));
			n_assert(0 != dstPtr);

			//Memory::Clear(dstPtr, d3dVertexBufferSize);
			DirectCopyVertexDataToGraphicBuffer(*vbd, dstPtr, layout->GetVertexByteSize());

			hr = d3dVertexBuffer->Unlock();
			n_assert(SUCCEEDED(hr));
		}

		PROFILER_ADDDEVICESTATEVAL(videoRam, d3dVertexBufferSize);
		PROFILER_ADDDEVICESTATEVAL(vboRam, d3dVertexBufferSize);
	}

	/// clear d3d resource
	void VertexBufferD3D9::Discard()
	{
		if ( m_d3d9VertexBuffer )
		{
			m_d3d9VertexBuffer->Release();
			m_d3d9VertexBuffer = NULL;
		}
		vertexLayout = NULL;
		PROFILER_ADDDEVICESTATEVAL(videoRam, -GetVertexDataSize());
		PROFILER_ADDDEVICESTATEVAL(vboRam, -GetVertexDataSize());
	}
}
#endif