public void Update(DeviceContext context)
{
PlayAreaRect value;
HmdQuad_t rect = default(HmdQuad_t);
if (OpenVR.Chaperone.GetPlayAreaRect(ref rect))
{
value = new PlayAreaRect {
corner0 = rect.vCorners0.Convert(),
corner1 = rect.vCorners1.Convert(),
corner2 = rect.vCorners3.Convert(),
corner3 = rect.vCorners2.Convert()
};
}
else
{
float halfSize = 1.5f;
value = new PlayAreaRect {
corner0 = new Vector3(-halfSize, 0, +halfSize),
corner1 = new Vector3(+halfSize, 0, +halfSize),
corner2 = new Vector3(-halfSize, 0, -halfSize),
corner3 = new Vector3(+halfSize, 0, -halfSize),
};
}
playAreaRectBuffer.Update(context, value);
}
public OcclusionInfo[] Run(DeviceContext context, ShaderResourceView vertexInfos)
{
context.ClearState();
context.ComputeShader.Set(shader);
context.ComputeShader.SetConstantBuffer(0, hemispherePointsAndWeightsConstantBuffer);
context.ComputeShader.SetShaderResources(0,
rasterCacheView,
facesView,
transparenciesView,
vertexMasksView,
faceMasksView,
vertexInfos);
context.ComputeShader.SetUnorderedAccessView(0, outputBufferManager.View);
for (int baseVertexIdx = 0; baseVertexIdx < vertexCount; baseVertexIdx += BatchSize)
{
ArraySegment segment = new ArraySegment(baseVertexIdx, Math.Max(vertexCount - baseVertexIdx, BatchSize));
segmentBufferManager.Update(context, segment);
context.ComputeShader.SetConstantBuffer(1, segmentBufferManager.Buffer);
context.Dispatch(1, IntegerUtils.RoundUp(BatchSize, ShaderNumThreads / RasterRowCount), 1);
context.Flush();
}
return(outputBufferManager.ReadContents(context));
}
public void Predraw(DeviceContext context)
{
Matrix3x3 rotation = InitialTransform * Matrix3x3.RotationY(Rotation);
constantBufferManager.Update(context, new ShaderConstants {
rotationColumn1 = rotation.Column1,
rotationColumn2 = rotation.Column2,
rotationColumn3 = rotation.Column3
});
}
public void Display(Texture2D sourceTexture, Matrix sourceProjectionMatrix, Action renderUi)
{
var context = device.ImmediateContext;
float sourceAspectRatio = sourceProjectionMatrix.M22 / sourceProjectionMatrix.M11;
aspectRatiosBufferManager.Update(context, new AspectRatios {
companionWindowAspectRatio = aspectRatio,
sourceAspectRatio = sourceAspectRatio
});
context.ClearState();
context.Rasterizer.SetViewport(viewport);
context.OutputMerger.SetRenderTargets(backBufferView);
context.InputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleStrip;
context.VertexShader.Set(copyFromSourceVertexShader);
context.VertexShader.SetConstantBuffer(0, aspectRatiosBufferManager.Buffer);
context.PixelShader.Set(copyFromSourcePixelShader);
standardSamplers.Apply(context.PixelShader);
using (var sourceView = new ShaderResourceView(device, sourceTexture)) {
context.PixelShader.SetShaderResource(0, sourceView);
}
context.Draw(4, 0);
context.OutputMerger.SetBlendState(uiBlendState);
renderUi();
if (shareHmdView)
{
overlay.Draw(context);
}
swapChain.Present(0, 0);
}
public void Prepare(DeviceContext context, ToneMappingSettings toneMappingSettings)
{
constantsBuffer.Update(context, GenerateConstants(toneMappingSettings));
}