109 lines
2.5 KiB
C++
109 lines
2.5 KiB
C++
#ifndef I_VERTEX_BUFFER11_H__
|
|
#define I_VERTEX_BUFFER11_H__
|
|
|
|
#include "render/IVertexBuffer.h"
|
|
|
|
#include "ResourceManager.h"
|
|
#include "IMemoryStream.h"
|
|
|
|
#include <d3d11.h>
|
|
#include <dxgi.h>
|
|
#include <d3dx11.h>
|
|
#include "Globals.h"
|
|
|
|
namespace LifeGraphics
|
|
{
|
|
class IVertexBuffer11 : public IVertexBuffer
|
|
{
|
|
public:
|
|
ID3D11Buffer* vb;
|
|
ID3D11Device* device;
|
|
ID3D11DeviceContext* context;
|
|
D3D11_MAPPED_SUBRESOURCE mappedData;
|
|
LifeCore::IMemoryStream stm;
|
|
|
|
~IVertexBuffer11()
|
|
{
|
|
SAFE_RELEASE(vb);
|
|
}
|
|
IVertexBuffer11(ID3D11Device* _device, void* pBuffer, int _size, int _stride, int staging)
|
|
{
|
|
device = _device;
|
|
length = _size;
|
|
stride = _stride;
|
|
|
|
//g_desc = new BufferDescription(size, D3D11.ResourceUsage.Default,
|
|
// BindFlags.VertexBuffer, CpuAccessFlags.None, ResourceOptionFlags.None, 0);
|
|
D3D11_BUFFER_DESC bd;
|
|
ZeroMemory( &bd, sizeof(bd) );
|
|
if(pBuffer)
|
|
bd.Usage = D3D11_USAGE_DEFAULT;
|
|
else
|
|
bd.Usage = D3D11_USAGE_DYNAMIC;
|
|
if(staging)
|
|
bd.Usage = D3D11_USAGE_STAGING;
|
|
|
|
bd.ByteWidth = _size;
|
|
bd.BindFlags = D3D11_BIND_VERTEX_BUFFER;
|
|
|
|
if(bd.Usage == D3D11_USAGE_DEFAULT)
|
|
bd.CPUAccessFlags = 0;
|
|
else if(bd.Usage == D3D11_USAGE_DYNAMIC)
|
|
bd.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
|
|
else if(bd.Usage == D3D11_USAGE_STAGING)
|
|
bd.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE | D3D11_CPU_ACCESS_READ;
|
|
|
|
if(pBuffer)
|
|
{
|
|
D3D11_SUBRESOURCE_DATA InitData;
|
|
ZeroMemory( &InitData, sizeof(InitData) );
|
|
InitData.pSysMem = pBuffer;
|
|
|
|
device->CreateBuffer( &bd, &InitData, &vb );
|
|
}
|
|
else
|
|
device->CreateBuffer( &bd, NULL, &vb );
|
|
device->GetImmediateContext(&context);
|
|
//if( FAILED( hr ) )
|
|
// return hr;
|
|
}
|
|
LifeCore::IDataStream* Map(int offset, int flags)
|
|
{
|
|
D3D11_MAP mapFlags;
|
|
|
|
if (flags & LF_Discard)
|
|
mapFlags = D3D11_MAP_WRITE_DISCARD;
|
|
else if ((flags & LF_NoOverwrite))
|
|
mapFlags = D3D11_MAP_WRITE_NO_OVERWRITE;
|
|
|
|
else if ((flags & LF_ReadOnly))
|
|
mapFlags = D3D11_MAP_READ;
|
|
|
|
else if (flags == LF_None)
|
|
mapFlags = D3D11_MAP_READ_WRITE;
|
|
else
|
|
mapFlags = D3D11_MAP_WRITE;
|
|
|
|
context->Map(vb,0, mapFlags,0, &mappedData);
|
|
stm.Reset(((char*)mappedData.pData) + offset, length);
|
|
return &stm;
|
|
}
|
|
void Update(void* data, size_t length)
|
|
{
|
|
D3D11_BOX b;
|
|
b.left = 0;
|
|
b.right = 1;
|
|
b.top = 0;
|
|
b.bottom = 1;
|
|
b.front = 0;
|
|
b.back = 0;
|
|
context->UpdateSubresource(vb, 0, NULL, data, length, 0);
|
|
}
|
|
void Unmap()
|
|
{
|
|
context->Unmap(vb, 0);
|
|
}
|
|
};
|
|
}
|
|
|
|
#endif |