protected override void OnLoad(EventArgs e)
{
multisampling = new Multisampling(4);
GL.Hint(HintTarget.PerspectiveCorrectionHint, HintMode.Nicest);
GL.ClearColor(State.ClearColor);
GL.Enable(EnableCap.Blend);
GL.Enable(EnableCap.Texture2D);
GL.Enable(EnableCap.DepthTest);
GL.Enable(EnableCap.CullFace);
GL.CullFace(CullFaceMode.Back);
GL.MinSampleShading(1.0f);
Map.New(2048);
debug = new ObjectRenderer();
camera = new Camera();
terrain = new TerrainRenderer(camera);
water = new WaterRenderer();
light = new Light();
assets = new AssetRenderer();
ui = new Ui();
sky = new SkyRenderer();
shadows = new ShadowBox();
}
public SwapChainPresenter CreateSwapChainPresenter(Format backBufferFormat = Format.R8G8B8A8_UNORM_SRGB,
Format depthStencilFormat = Format.D24_UNORM_S8_UINT,
Multisampling msaa = default(Multisampling))
{
var p = new SwapChainPresenter(new WindowContext
{
BackBufferWidth = (int)Width,
BackBufferHeight = (int)Height,
BackBufferFormat = backBufferFormat,
DepthStencilFormat = depthStencilFormat,
Sampling = msaa,
WindowHandle = Handle
});
_presenter = p;
return(p);
}
public SwapChainPresenter(IGraphicContext context)
{
if (_msaa.Count == 0)
{
_msaa.Count = 1;
}
_displaySize = new Size(context.BackBufferWidth, context.BackBufferHeight);
this._backBufferFormat = context.BackBufferFormat;
this._depthStencilFormat = context.DepthStencilFormat;
this._msaa = context.Sampling;
_viewport = new ViewPort(0, 0, _displaySize.Width, _displaySize.Height);
_swapChain = GraphicDeviceFactory.Device.CreateSwapChain(context);
_depthBuffer = GraphicDeviceFactory.Device.CreateDepthStencil(
context.BackBufferWidth,
context.BackBufferHeight,
_depthStencilFormat,
_msaa);
}
public static extern void SurfaceSetMultisampling(ObjectHandle surface, Multisampling quality);
private void Update(EvaluationContext context)
{
var resourceManager = ResourceManager.Instance();
var device = resourceManager.Device;
Size2 size = Resolution.GetValue(context);
if (size.Width == 0 || size.Height == 0)
{
size = context.RequestedResolution;
}
if (size.Width <= 0 || size.Height <= 0 || size.Width > MaximumTexture2DSize || size.Height > MaximumTexture2DSize)
{
Log.Warning("Invalid texture size: " + size);
return;
}
_sampleCount = Multisampling.GetValue(context).Clamp(1, 32);
bool generateMips = GenerateMips.GetValue(context);
var withDepthBuffer = WithDepthBuffer.GetValue(context);
UpdateTextures(device, size, TextureFormat.GetValue(context), withDepthBuffer ? Format.R32_Typeless : Format.Unknown, generateMips);
var deviceContext = device.ImmediateContext;
// Save settings in context
var prevRequestedResolution = context.RequestedResolution;
var prevViewports = deviceContext.Rasterizer.GetViewports <RawViewportF>();
var prevTargets = deviceContext.OutputMerger.GetRenderTargets(2, out var prevDepthStencilView);
var prevObjectToWorld = context.ObjectToWorld;
var prevWorldToCamera = context.WorldToCamera;
var prevCameraToClipSpace = context.CameraToClipSpace;
deviceContext.Rasterizer.SetViewport(new SharpDX.Viewport(0, 0, size.Width, size.Height, 0.0f, 1.0f));
deviceContext.OutputMerger.SetTargets(_multiSampledDepthBufferDsv, _multiSampledColorBufferRtv);
// Clear
var clear = Clear.GetValue(context);
var c = ClearColor.GetValue(context);
if (clear || !_wasClearedOnce)
{
try
{
deviceContext.ClearRenderTargetView(_multiSampledColorBufferRtv, new Color(c.X, c.Y, c.Z, c.W));
if (_multiSampledDepthBufferDsv != null)
{
deviceContext.ClearDepthStencilView(_multiSampledDepthBufferDsv, DepthStencilClearFlags.Depth, 1.0f, 0);
}
_wasClearedOnce = true;
}
catch
{
Log.Error($"{Parent.Symbol.Name}: Error clearing actual render target.", SymbolChildId);
}
}
// Set default values for new sub tree
context.RequestedResolution = size;
context.SetDefaultCamera();
if (TextureReference.IsConnected)
{
var reference = TextureReference.GetValue(context);
reference.ColorTexture = ColorTexture;
reference.DepthTexture = DepthTexture;
}
// Render
Command.GetValue(context);
// Restore context
context.ObjectToWorld = prevObjectToWorld;
context.WorldToCamera = prevWorldToCamera;
context.CameraToClipSpace = prevCameraToClipSpace;
context.RequestedResolution = prevRequestedResolution;
deviceContext.Rasterizer.SetViewports(prevViewports);
deviceContext.OutputMerger.SetTargets(prevDepthStencilView, prevTargets);
if (_sampleCount > 1)
{
try
{
device.ImmediateContext.ResolveSubresource(_multiSampledColorBuffer,
0,
_resolvedColorBuffer, 0,
_resolvedColorBuffer.Description.Format);
if (withDepthBuffer)
{
ResolveDepthBuffer();
}
}
catch (Exception e)
{
Log.Error("resolving render target buffer failed:" + e.Message);
}
}
if (generateMips)
{
deviceContext.GenerateMips(DownSamplingRequired ? _resolvedColorBufferSrv : _multiSampledColorBufferSrv);
}
// Clean up ref counts for RTVs
for (int i = 0; i < prevTargets.Length; i++)
{
prevTargets[i]?.Dispose();
}
prevDepthStencilView?.Dispose();
ColorBuffer.Value = ColorTexture;
ColorBuffer.DirtyFlag.Clear();
DepthBuffer.Value = DepthTexture;
DepthBuffer.DirtyFlag.Clear();
}
public static Import.Multisampling GetUnmanagedMultisampling(this Multisampling multisampling) => (Import.Multisampling)multisampling;
public RenderTextureCube(int edgeSize, Format targetFormat, Format depthFormat, Multisampling sampling = default(Multisampling))
{
if (sampling.Count == 0)
{
sampling.Count = 1;
}
var device = GraphicDeviceFactory.Device;
_texture = device.CreateTexture2D(new Texture2DDesc
{
ArraySize = 6,
Height = edgeSize,
Width = edgeSize,
Format = targetFormat,
SamplerDesc = sampling,
BindFlags = BindFlags.RenderTarget | BindFlags.ShaderResource,
Usage = ResourceUsage.Default,
MipLevels = 1,
CPUAccessFlags = CpuAccessFlags.None,
Options = ResourceOptionFlags.TextureCube
});
for (int i = 0; i < 6; i++)
{
int index = Graphics.Texture.CalcSubresource(0, i, 1);
_targets[i] = device.CreateRenderTarget(_texture, index);
}
if (depthFormat != Format.UNKNOWN)
{
_depthStencil = device.CreateDepthStencil(
new DepthStencilDesc
{
Width = edgeSize,
Height = edgeSize,
Format = depthFormat,
Sampling = sampling,
Dimension = DepthStencilDimension.TEXTURECUBE
});
}
}
public RenderTexture2D(int width, int height, Format targetFormat, Format depthFormat = Format.UNKNOWN, Multisampling sampling = default(Multisampling), bool readable = false)
{
if (sampling.Count == 0)
{
sampling.Count = 1;
}
var device = GraphicDeviceFactory.Device;
_texture = device.CreateTexture2D(new Texture2DDesc {
Width = width,
Height = height,
Format = targetFormat,
SamplerDesc = sampling,
BindFlags = BindFlags.RenderTarget | BindFlags.ShaderResource,
ArraySize = 1,
MipLevels = 1,
Options = ResourceOptionFlags.None,
Usage = ResourceUsage.Default,
CPUAccessFlags = readable? CpuAccessFlags.Read: CpuAccessFlags.None
});
_target = device.CreateRenderTarget(_texture);
if (depthFormat != Format.UNKNOWN)
{
_depthStencil = device.CreateDepthStencil(new DepthStencilDesc(width, height, depthFormat, sampling, false));
}
}
