/// <summary>
/// Determine and updates <see cref="CurrentState"/> from <see cref="State"/>.
/// </summary>
public void Update()
{
// Hash current state
var hashedState = new PipelineStateDescriptionWithHash(State);
// Find existing PipelineState object
PipelineState pipelineState;
// TODO GRAPHICS REFACTOR We could avoid lock by adding them to a ThreadLocal (or RenderContext) and merge at end of frame
lock (cache)
{
if (!cache.TryGetValue(hashedState, out pipelineState))
{
// Otherwise, instantiate it
// First, make an copy
hashedState = new PipelineStateDescriptionWithHash(State.Clone());
cache.Add(hashedState, pipelineState = PipelineState.New(graphicsDevice, ref State));
}
}
CurrentState = pipelineState;
}
public static PipelineState New(GraphicsDevice graphicsDevice, ref PipelineStateDescription pipelineStateDescription)
{
// Hash the current state
var hashedState = new PipelineStateDescriptionWithHash(pipelineStateDescription);
// Store SamplerState in a cache (D3D seems to have quite bad concurrency when using CreateSampler while rendering)
PipelineState pipelineState;
lock (graphicsDevice.CachedPipelineStates)
{
if (graphicsDevice.CachedPipelineStates.TryGetValue(hashedState, out pipelineState))
{
// TODO: Appropriate destroy
pipelineState.AddReferenceInternal();
}
else
{
pipelineState = new PipelineState(graphicsDevice, pipelineStateDescription);
graphicsDevice.CachedPipelineStates.Add(hashedState, pipelineState);
}
}
return(pipelineState);
}
public void Recreate(GraphicsAdapter adapter, GraphicsProfile[] graphicsProfiles, DeviceCreationFlags deviceCreationFlags, WindowHandle windowHandle)
{
if (adapter == null)
{
throw new ArgumentNullException("adapter");
}
if (graphicsProfiles == null)
{
throw new ArgumentNullException("graphicsProfiles");
}
Adapter = adapter;
IsDebugMode = (deviceCreationFlags & DeviceCreationFlags.Debug) != 0;
// Default fallback
if (graphicsProfiles.Length == 0)
{
graphicsProfiles = new[] { GraphicsProfile.Level_11_0, GraphicsProfile.Level_10_1, GraphicsProfile.Level_10_0, GraphicsProfile.Level_9_3, GraphicsProfile.Level_9_2, GraphicsProfile.Level_9_1 }
}
;
// Initialize this instance
InitializePlatformDevice(graphicsProfiles, deviceCreationFlags, windowHandle);
// Create a new graphics device
Features = new GraphicsDeviceFeatures(this);
SamplerStates = new SamplerStateFactory(this);
var defaultPipelineStateDescription = new PipelineStateDescription();
defaultPipelineStateDescription.SetDefaults();
AdjustDefaultPipelineStateDescription(ref defaultPipelineStateDescription);
DefaultPipelineState = PipelineState.New(this, ref defaultPipelineStateDescription);
InitializePostFeatures();
}
internal void Apply(CommandList commandList, PipelineState previousPipeline)
{
var nativeDeviceContext = commandList.NativeDeviceContext;
if (rootSignature != previousPipeline.rootSignature)
{
//rootSignature.Apply
}
if (effectBytecode != previousPipeline.effectBytecode)
{
if (computeShader != previousPipeline.computeShader)
{
nativeDeviceContext.ComputeShader.Set(computeShader);
}
if (vertexShader != previousPipeline.vertexShader)
{
nativeDeviceContext.VertexShader.Set(vertexShader);
}
if (pixelShader != previousPipeline.pixelShader)
{
nativeDeviceContext.PixelShader.Set(pixelShader);
}
if (hullShader != previousPipeline.hullShader)
{
nativeDeviceContext.HullShader.Set(hullShader);
}
if (domainShader != previousPipeline.domainShader)
{
nativeDeviceContext.DomainShader.Set(domainShader);
}
if (geometryShader != previousPipeline.geometryShader)
{
nativeDeviceContext.GeometryShader.Set(geometryShader);
}
}
if (blendState != previousPipeline.blendState || sampleMask != previousPipeline.sampleMask)
{
nativeDeviceContext.OutputMerger.SetBlendState(blendState, nativeDeviceContext.OutputMerger.BlendFactor, sampleMask);
}
if (rasterizerState != previousPipeline.rasterizerState)
{
nativeDeviceContext.Rasterizer.State = rasterizerState;
}
if (depthStencilState != previousPipeline.depthStencilState)
{
nativeDeviceContext.OutputMerger.DepthStencilState = depthStencilState;
}
if (inputLayout != previousPipeline.inputLayout)
{
nativeDeviceContext.InputAssembler.InputLayout = inputLayout;
}
if (primitiveTopology != previousPipeline.primitiveTopology)
{
nativeDeviceContext.InputAssembler.PrimitiveTopology = primitiveTopology;
}
}
public void SetPipelineState(PipelineState pipelineState)
{
NullHelper.ToImplement();
}
