public void Release()
{
lock (_surfaceLock)
{
if (_renderTexture != null)
{
_renderTexture.Dispose();
_renderTexture = null;
}
_isAllocated = false;
}
}
protected override void CreateTextureBuffer(int width, int height)
{
if (!RegisterDxDevice())
{
base.CreateTextureBuffer(width, height);
return;
}
IntPtr sharedResourceHandle = IntPtr.Zero;
_dxTexture = new SafeTexture(_dxDevice, width, height, 1, Usage.RenderTarget, Format.X8R8G8B8, Pool.Default, ref sharedResourceHandle);
_textureBuffer = new Texture2D();
bool result = RegisterDxTexture(_dxTexture, _textureBuffer, sharedResourceHandle);
LockTexture();
_framebuffer.AttachTexture(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment0, _textureBuffer, 0);
UnlockTexture();
}
protected void CheckRenderTexture(int width, int height, Usage usage)
{
if (_renderTexture != null)
{
lock (_renderTexture.SyncRoot)
{
if (!_renderTexture.IsDisposing)
{
SurfaceDescription desc = _renderTexture.GetLevelDescription(0);
if (desc.Width == width && desc.Height == height && desc.Usage == usage)
{
return;
}
_renderTexture.Dispose();
}
}
}
_renderTexture = new SafeTexture(_device, width, height, 1, usage, Format.X8R8G8B8, Pool.Default);
}
public override void BeginRender(int width, int height)
{
base.BeginRender(width, height);
if (!HasDxContext)
{
return;
}
SafeTexture texture = _dxTexture;
lock (texture.SyncRoot)
{
if (texture.IsDisposing)
{
DestroyTextureBuffer();
CreateTextureBuffer(width, height);
}
}
LockTexture();
}
