public override MTLRenderPassDescriptor CreateRenderPassDescriptor()
{
MTLRenderPassDescriptor ret = MTLRenderPassDescriptor.New();
for (int i = 0; i < ColorTargets.Count; i++)
{
FramebufferAttachment colorTarget = ColorTargets[i];
MTLTexture mtlTarget = Util.AssertSubtype <Texture, MTLTexture>(colorTarget.Target);
MTLRenderPassColorAttachmentDescriptor colorDescriptor = ret.colorAttachments[(uint)i];
colorDescriptor.texture = mtlTarget.DeviceTexture;
colorDescriptor.loadAction = MTLLoadAction.Load;
colorDescriptor.slice = (UIntPtr)colorTarget.ArrayLayer;
}
if (DepthTarget != null)
{
MTLTexture mtlDepthTarget = Util.AssertSubtype <Texture, MTLTexture>(DepthTarget.Value.Target);
MTLRenderPassDepthAttachmentDescriptor depthDescriptor = ret.depthAttachment;
depthDescriptor.loadAction = MTLLoadAction.Load;
depthDescriptor.storeAction = MTLStoreAction.Store;
depthDescriptor.texture = mtlDepthTarget.DeviceTexture;
depthDescriptor.slice = (UIntPtr)DepthTarget.Value.ArrayLayer;
if (FormatHelpers.IsStencilFormat(mtlDepthTarget.Format))
{
MTLRenderPassStencilAttachmentDescriptor stencilDescriptor = ret.stencilAttachment;
stencilDescriptor.loadAction = MTLLoadAction.Load;
stencilDescriptor.storeAction = MTLStoreAction.Store;
stencilDescriptor.texture = mtlDepthTarget.DeviceTexture;
stencilDescriptor.slice = (UIntPtr)DepthTarget.Value.ArrayLayer;
}
}
return(ret);
}
public override MTLRenderPassDescriptor CreateRenderPassDescriptor()
{
MTLRenderPassDescriptor ret = MTLRenderPassDescriptor.New();
var color0 = ret.colorAttachments[0];
color0.texture = _parentSwapchain.CurrentDrawable.texture;
color0.loadAction = MTLLoadAction.Load;
if (_depthTarget != null)
{
var depthAttachment = ret.depthAttachment;
depthAttachment.texture = _depthTexture.DeviceTexture;
depthAttachment.loadAction = MTLLoadAction.Load;
}
return(ret);
}