protected override void BindSurfaceImpl(int attachment, RenderTexture target)
{
Contract.Requires(attachment < Config.MaxMultipleRenderTargets);
// Get buffer and surface to bind to
var buffer = (D3D9HardwarePixelBuffer)(target["BUFFER"]);
Proclaim.NotNull(buffer);
// Find first non null target
int y;
for (y = 0; y < Config.MaxMultipleRenderTargets && this._renderTargets[y] == null; ++y)
{
;
}
if (y != Config.MaxMultipleRenderTargets)
{
// If there is another target bound, compare sizes
if (this._renderTargets[y].Width != buffer.Width || this._renderTargets[y].Height != buffer.Height)
{
throw new AxiomException("MultiRenderTarget surfaces are not the same size.");
}
if (!Root.Instance.RenderSystem.Capabilities.HasCapability(Capabilities.MRTDifferentBitDepths) &&
(PixelUtil.GetNumElemBits(this._renderTargets[y].Format) != PixelUtil.GetNumElemBits(buffer.Format)))
{
throw new AxiomException("MultiRenderTarget surfaces are not of same bit depth and hardware requires it");
}
}
this._renderTargets[attachment] = buffer;
_checkAndUpdate();
}
protected override void BindSurfaceImpl(int attachment, RenderTexture target)
{
/// Check if the render target is in the rendertarget->FBO map
var fbObject = (GLFrameBufferObject)target["FBO"];
Proclaim.NotNull(fbObject);
this._fbo.BindSurface(attachment, fbObject.SurfaceDesc);
// Initialize?
// Set width and height
width = this._fbo.Width;
height = this._fbo.Height;
}