public TerrainRaymarcher(GraphicsDevice graphicsDevice, float aspectRatio)
{
var shaderMacros = new List<EffectData.ShaderMacro>();
#if CONEMAPPING_RAYMARCH
computeRelaxedConeShader = new ShaderAutoReload("shader/computerelaxedconemap.fx", GraphicsDevice);
shaderMacros.Add(new EffectData.ShaderMacro("CONEMAPPING_RAYMARCH", "1"));
#else
maxmapGenShader = new ShaderAutoReload("shader/maxmapgen.fx", graphicsDevice);
#endif
terrainShader = new ShaderAutoReload("shader/terrainRaymarch.fx", graphicsDevice, shaderMacros);
terrainShader.Effect.Parameters["ScreenAspectRatio"].SetValue(aspectRatio );
terrainShader.OnReload += () => SetupTerrainConstants(graphicsDevice);
// linear sampler
var samplerStateDesc = SharpDX.Direct3D11.SamplerStateDescription.Default();
samplerStateDesc.AddressV = SharpDX.Direct3D11.TextureAddressMode.Border;
samplerStateDesc.AddressU = SharpDX.Direct3D11.TextureAddressMode.Border;
samplerStateDesc.Filter = SharpDX.Direct3D11.Filter.MinMagMipLinear;
samplerStateDesc.BorderColor = Color4.Black;
linearBorderSamplerState = SamplerState.New(graphicsDevice, "TerrainHeightmapSampler", samplerStateDesc);
}
void WPFHost.IScene.Attach(WPFHost.ISceneHost host)
{
this.host = host;
camera = new Camera((float)host.RenderTargetWidth / host.RenderTargetHeight, (float)(75.0 * Math.PI / 180.0), 0.1f, 10000.0f);
// device setup
if (host.Device == null)
throw new Exception("Scene host device is null");
GraphicsDevice = GraphicsDevice.New(host.Device);
RenderTarget2D backbufferRenderTarget = RenderTarget2D.New(GraphicsDevice, host.RenderTargetView, true);
GraphicsDevice.Presenter = new RenderTargetGraphicsPresenter(GraphicsDevice, backbufferRenderTarget);
GraphicsDevice.SetRenderTargets(backbufferRenderTarget);
#if RAYMARCH_TERRAIN
terrain = new TerrainRaymarcher(GraphicsDevice, (float)host.RenderTargetWidth / host.RenderTargetHeight);
#else
terrain = new TerrainRasterizer(GraphicsDevice);
#endif
terrain.HeightScale = terrainScale;
// load shader
sphereBillboardShader = new ShaderAutoReload("shader/spherebillboards.fx", GraphicsDevice);
// vertex input layout
sphereVertexInputLayout = VertexInputLayout.New(VertexBufferLayout.New(0, VertexElement.Position(SharpDX.DXGI.Format.R32G32B32_Float)));
// generate sky
skyShader = new ShaderAutoReload("shader/sky.fx", GraphicsDevice);
skyShader.OnReload += ReGenerateSkyCubeMap;
skyCubemap = RenderTargetCube.New(GraphicsDevice, CUBEMAP_RES, 0, PixelFormat.R8G8B8A8.SNorm);
TimeOfDay = timeOfDay;
// constant buffer to defaults
SetupConstants();
}
public TerrainRasterizer(GraphicsDevice graphicsDevice)
{
clipmapRenderer = new InstancedGeomClipMapping(graphicsDevice, 8.0f, 8, 4);
shader = new ShaderAutoReload("shader/terrainRasterize.fx", graphicsDevice);
shader.OnReload += () => SetupTerrainConstants(graphicsDevice);
}