public void OnAcceleratedPaint(CefPaintElementType type, CefRectangle[] dirtyRects, IntPtr sharedHandle)
{
try
{
if (sharedHandle == IntPtr.Zero)
{
return;
}
var d3dDevice = SharpDXInterop.GetNativeDevice(GraphicsDevice) as Device;
if (d3dDevice is null)
{
return;
}
var d3dTexture = d3dDevice.OpenSharedResource <Texture2D>(sharedHandle);
if (d3dTexture is null)
{
return;
}
var strideTexture = SharpDXInterop.CreateTextureFromNative(GraphicsDevice, d3dTexture, takeOwnership: true);
lock (syncRoot)
{
surface?.Dispose();
surface = strideTexture;
}
needsConversion = true;
}
catch (Exception e)
{
RuntimeGraph.ReportException(e);
}
}
EffectInstance IEffect.SetParameters(RenderView renderView, RenderDrawContext renderDrawContext)
{
try
{
// TODO1: PerFrame could be done in Update if we'd have access to frame time
// TODO2: This code can be optimized by using parameter accessors and not parameter keys
parameters.SetPerFrameParameters(perFrameParams, renderDrawContext.RenderContext);
parameters.SetPerViewParameters(perViewParams, renderView);
if (worldPin != null)
{
var world = worldPin.ShaderValue;
parameters.SetPerDrawParameters(perDrawParams, renderView, ref world);
}
customParameterSetterPin?.Value?.Invoke(parameters, renderView, renderDrawContext);
}
catch (Exception e)
{
var re = new RuntimeException(e.InnermostException(), this);
RuntimeGraph.ReportException(re);
}
return(instance);
}
public override void Draw(RenderDrawContext context, RenderView renderView, RenderViewStage renderViewStage, int startIndex, int endIndex)
{
// Do not call into VL if not running
var renderContext = context.RenderContext;
var runtime = this.runtime ?? (this.runtime = renderContext.Services.GetService <IVLRuntime>());
if (runtime != null && !runtime.IsRunning)
{
return;
}
// Build the list of layers to render
singleCallLayers.Clear();
layers.Clear();
for (var index = startIndex; index < endIndex; index++)
{
var renderNodeReference = renderViewStage.SortedRenderNodes[index].RenderNode;
var renderNode = GetRenderNode(renderNodeReference);
var renderElement = (RenderLayer)renderNode.RenderObject;
if (renderElement.Enabled)
{
if (renderElement.SingleCallPerFrame)
{
singleCallLayers.Add(renderElement.Layer);
}
else
{
layers.Add(renderElement.Layer);
}
}
}
// Call layers which want to get invoked only once per frame first
var currentFrameNr = renderContext.Time.FrameCount;
if (lastFrameNr != currentFrameNr)
{
lastFrameNr = currentFrameNr;
foreach (var layer in singleCallLayers)
{
try
{
layer?.Draw(Context, context, renderView, renderViewStage, context.CommandList);
}
catch (Exception e)
{
RuntimeGraph.ReportException(e);
}
}
}
// Call layers which can get invoked twice per frame (for each eye)
foreach (var layer in layers)
{
try
{
layer?.Draw(Context, context, renderView, renderViewStage, context.CommandList);
}
catch (Exception e)
{
RuntimeGraph.ReportException(e);
}
}
}
void ILowLevelAPIRender.Draw(RenderContext renderContext, RenderDrawContext drawContext, RenderView renderView, RenderViewStage renderViewStage, CommandList commandList)
{
if (!enabledPin.Value)
{
return;
}
try
{
var pipelineState = this.pipelineState ?? (this.pipelineState = new MutablePipelineState(renderContext.GraphicsDevice));
// TODO1: PerFrame could be done in Update if we'd have access to frame time
// TODO2: This code can be optimized by using parameter accessors and not parameter keys
parameters.SetPerFrameParameters(perFrameParams, drawContext.RenderContext);
parameters.SetPerViewParameters(perViewParams, renderView);
if (worldPin != null)
{
var world = worldPin.ShaderValue;
parameters.SetPerDrawParameters(perDrawParams, renderView, ref world);
}
// Set permutation parameters before updating the effect (needed by compiler)
parameters.Set(ComputeEffectShaderKeys.ThreadNumbers, threadNumbersPin.Value);
// Give user chance to override
parameterSetterPin?.Value.Invoke(parameters, renderView, drawContext);
if (instance.UpdateEffect(renderContext.GraphicsDevice) || pipelineStateDirty)
{
threadGroupCountAccessor = parameters.GetAccessor(ComputeShaderBaseKeys.ThreadGroupCountGlobal);
foreach (var p in Inputs.OfType <ParameterPin>())
{
p.Update(parameters);
}
pipelineState.State.SetDefaults();
pipelineState.State.RootSignature = instance.RootSignature;
pipelineState.State.EffectBytecode = instance.Effect.Bytecode;
pipelineState.Update();
pipelineStateDirty = false;
}
// Apply pipeline state
commandList.SetPipelineState(pipelineState.CurrentState);
// Set thread group count as provided by input pin
var threadGroupCount = dispatchCountPin.Value;
parameters.Set(ComputeShaderBaseKeys.ThreadGroupCountGlobal, threadGroupCount);
// TODO: This can be optimized by uploading only parameters from the PerDispatch groups - look in Xenkos RootEffectRenderFeature
var iterationCount = Math.Max(iterationCountPin.Value, 1);
for (int i = 0; i < iterationCount; i++)
{
// Give user chance to override
iterationParameterSetterPin.Value?.Invoke(parameters, renderView, drawContext, i);
// The thread group count can be set for each dispatch
threadGroupCount = parameters.Get(threadGroupCountAccessor);
// Upload the parameters
instance.Apply(drawContext.GraphicsContext);
// Draw a full screen quad
commandList.Dispatch(threadGroupCount.X, threadGroupCount.Y, threadGroupCount.Z);
}
}
catch (Exception e)
{
var re = new RuntimeException(e.InnermostException(), this);
RuntimeGraph.ReportException(re);
}
}