public void CreateSRV(D3D11RenderTarget rt)
{
if (m_srv != null)
{
m_srv.Dispose();
m_srv = null;
}
var texture = rt.Texture;
m_srv = new ShaderResourceView(texture.Device, texture);
}
Bitmap GetOrCreateBitmap(D3D11Device device, D3D11RenderTarget renderTarget)
{
Bitmap bitmap;
if (!m_rtBitmapMap.TryGetValue(renderTarget, out bitmap))
{
using (var surface = renderTarget.Texture.QueryInterface <SharpDX.DXGI.Surface>())
{
bitmap = new Bitmap(device.D2DDeviceContext, surface, GetBP);
}
}
return(bitmap);
}
void GetOrRenderTarget(D3D11Device device, uint id, RectangleF rect)
{
if (rect != m_rect)
{
m_rect = rect;
if (m_renderTarget != null)
{
m_renderTarget.Dispose();
m_renderTarget = null;
}
}
if (m_renderTarget == null)
{
m_renderTarget = D3D11RenderTarget.Create(device, (int)rect.Width, (int)rect.Height);
}
}
