/// <summary>
/// Initializes a new UAV instance of the <see cref="ResourceBarrier"/> struct.
/// </summary>
/// <param name="unorderedAccessView">The unordered access view.</param>
public ResourceBarrier(ResourceUnorderedAccessViewBarrier unorderedAccessView)
{
Type = ResourceBarrierType.UnorderedAccessView;
Flags = ResourceBarrierFlags.None;
_union = new Union {
UnorderedAccessView = unorderedAccessView
};
}
/// <summary>
/// Initializes a new aliasing instance of <see cref="ResourceBarrier"/> struct.
/// </summary>
/// <param name="aliasing">The aliasing.</param>
public ResourceBarrier(ResourceAliasingBarrier aliasing)
{
Type = ResourceBarrierType.Aliasing;
Flags = ResourceBarrierFlags.None;
_union = new Union {
Aliasing = aliasing
};
}
/// <summary>
/// Initializes a new transition instance of <see cref="ResourceBarrier"/> struct.
/// </summary>
/// <param name="transition">The transition barrier.</param>
/// <param name="flags"></param>
public ResourceBarrier(ResourceTransitionBarrier transition, ResourceBarrierFlags flags = ResourceBarrierFlags.None)
{
Type = ResourceBarrierType.Transition;
Flags = flags;
_union = new Union {
Transition = transition
};
}
public unsafe void ResourceBarrierTransition(
ID3D12Resource resource,
ResourceStates stateBefore,
ResourceStates stateAfter,
int subresource = D3D12.ResourceBarrierAllSubResources,
ResourceBarrierFlags flags = ResourceBarrierFlags.None)
{
var barrier = new ResourceBarrier(
new ResourceTransitionBarrier(resource, stateBefore, stateAfter, subresource),
flags);
ResourceBarrier(1, new IntPtr(&barrier));
}
public unsafe void ResourceBarrierTransition(
ID3D12Resource resource,
ResourceStates stateBefore,
ResourceStates stateAfter,
int subresource = -1,
ResourceBarrierFlags flags = ResourceBarrierFlags.None)
{
var barrier = new ResourceBarrier
{
Type = ResourceBarrierType.Transition,
Flags = flags,
Transition = new ResourceTransitionBarrier(resource, stateBefore, stateAfter, subresource)
};
ResourceBarrier(1, new IntPtr(&barrier));
}
/// <summary>
/// Create a new transition resource barrier.
/// </summary>
/// <param name="resource">The transition resource.</param>
/// <param name="stateBefore">The state before.</param>
/// <param name="stateAfter">The state after.</param>
/// <param name="subresource">The subresource.</param>
/// <param name="flags">The transition flags.</param>
/// <returns>New instance of <see cref="ResourceBarrier"/> struct.</returns>
public static ResourceBarrier BarrierTransition(ID3D12Resource resource, ResourceStates stateBefore, ResourceStates stateAfter,
int subresource = D3D12.ResourceBarrierAllSubResources, ResourceBarrierFlags flags = ResourceBarrierFlags.None)
{
return(new ResourceBarrier(new ResourceTransitionBarrier(resource, stateBefore, stateAfter, subresource), flags));
}
