void RenderLight(Light light)
{
lightWorldVar.SetMatrixTranspose(light.World);
lightPositionRadiusVar.Set(new Vector4(light.Position, light.Radius));
lightColorVar.Set(light.Color);
lightAccumulationPass.Apply(_immediateContext);
_immediateContext.DrawIndexed(pointLightVolumeIndices.Length, 0, 0);
}
public override void Initialize()
{
Form.SizeChanged += (o, args) =>
{
if (_swapChain == null)
{
return;
}
renderView.Dispose();
depthView.Dispose();
DisposeBuffers();
if (Form.WindowState == FormWindowState.Minimized)
{
return;
}
_width = Form.ClientSize.Width;
_height = Form.ClientSize.Height;
_swapChain.ResizeBuffers(_swapChain.Description.BufferCount, 0, 0, Format.Unknown, 0);
CreateBuffers();
SetSceneConstants();
};
_width = 1024;
_height = 768;
_nearPlane = 0.1f;
try
{
OnInitializeDevice();
}
catch (Exception e)
{
MessageBox.Show(e.ToString(), "Could not create DirectX 11 device.");
return;
}
// shader.fx
const ShaderFlags shaderFlags = ShaderFlags.None;
//const ShaderFlags shaderFlags = ShaderFlags.Debug | ShaderFlags.SkipOptimization;
string[] sources = { "shader.fx", "grender.fx" };
using (var shaderByteCode = ShaderLoader.FromResource(Assembly.GetExecutingAssembly(), sources, shaderFlags))
{
effect = new Effect(Device, shaderByteCode);
}
EffectTechnique technique = effect.GetTechniqueByName("GBufferCreate");
shadowGenPass = technique.GetPassByName("ShadowMap");
gBufferGenPass = technique.GetPassByName("GBufferGen");
debugDrawPass = technique.GetPassByName("DebugDraw");
var sceneConstantsDesc = new BufferDescription
{
SizeInBytes = Marshal.SizeOf(typeof(ShaderSceneConstants)),
Usage = ResourceUsage.Dynamic,
BindFlags = BindFlags.ConstantBuffer,
CpuAccessFlags = CpuAccessFlags.Write,
OptionFlags = ResourceOptionFlags.None
};
sceneConstantsBuffer = new Buffer(Device, sceneConstantsDesc);
EffectConstantBuffer effectConstantBuffer = effect.GetConstantBufferByName("scene");
effectConstantBuffer.SetConstantBuffer(sceneConstantsBuffer);
var _rasterizerStateDesc = new RasterizerStateDescription
{
CullMode = CullMode.None,
FillMode = FillMode.Solid,
DepthBias = 0,
DepthBiasClamp = 0,
SlopeScaledDepthBias = 0,
IsDepthClipEnabled = true,
};
noCullState = new RasterizerState(Device, _rasterizerStateDesc);
_rasterizerStateDesc.CullMode = CullMode.Back;
backCullState = new RasterizerState(Device, _rasterizerStateDesc);
_rasterizerStateDesc.CullMode = CullMode.Front;
frontCullState = new RasterizerState(Device, _rasterizerStateDesc);
_immediateContext.Rasterizer.State = CullingEnabled ? backCullState : noCullState;
var depthDesc = new DepthStencilStateDescription
{
IsDepthEnabled = true,
IsStencilEnabled = false,
DepthWriteMask = DepthWriteMask.All,
DepthComparison = Comparison.Less
};
depthState = new DepthStencilState(Device, depthDesc);
depthDesc.DepthWriteMask = DepthWriteMask.Zero;
outsideLightVolumeDepthState = new DepthStencilState(Device, depthDesc);
depthDesc.DepthComparison = Comparison.Greater;
insideLightVolumeDepthState = new DepthStencilState(Device, depthDesc);
var lightDepthStateDesc = new DepthStencilStateDescription
{
IsDepthEnabled = true,
IsStencilEnabled = false,
DepthWriteMask = DepthWriteMask.All,
DepthComparison = Comparison.Less
};
lightDepthStencilState = new DepthStencilState(Device, lightDepthStateDesc);
// grender.fx
technique = effect.GetTechniqueByName("DeferredShader");
gBufferRenderPass = technique.GetPassByName("DeferredShader");
gBufferPostProcessPass = technique.GetPassByName("Blur");
gBufferPostProcessPass2 = technique.GetPassByName("PostProcess");
gBufferOverlayPass = technique.GetPassByName("Overlay");
lightBufferVar = effect.GetVariableByName("lightBuffer").AsShaderResource();
normalBufferVar = effect.GetVariableByName("normalBuffer").AsShaderResource();
diffuseBufferVar = effect.GetVariableByName("diffuseBuffer").AsShaderResource();
depthMapVar = effect.GetVariableByName("depthMap").AsShaderResource();
shadowLightDepthBufferVar = effect.GetVariableByName("lightDepthMap").AsShaderResource();
sunLightDirectionVar = effect.GetVariableByName("SunLightDirection").AsVector();
viewportWidthVar = effect.GetVariableByName("ViewportWidth").AsScalar();
viewportHeightVar = effect.GetVariableByName("ViewportHeight").AsScalar();
viewParametersVar = effect.GetVariableByName("ViewParameters").AsVector();
overlayViewProjectionVar = effect.GetVariableByName("OverlayViewProjection").AsMatrix();
// light.fx
using (var shaderByteCode = ShaderLoader.FromResource(Assembly.GetExecutingAssembly(), "light.fx", shaderFlags))
{
lightShader = new Effect(Device, shaderByteCode);
}
technique = lightShader.GetTechniqueByIndex(0);
lightAccumulationPass = technique.GetPassByName("Light");
lightWorldVar = lightShader.GetVariableByName("World").AsMatrix();
lightPositionRadiusVar = lightShader.GetVariableByName("PositionRadius").AsVector();
lightColorVar = lightShader.GetVariableByName("Color").AsVector();
lightProjectionVar = lightShader.GetVariableByName("Projection").AsMatrix();
lightViewVar = lightShader.GetVariableByName("View").AsMatrix();
lightViewInverseVar = lightShader.GetVariableByName("ViewInverse").AsMatrix();
lightViewportWidthVar = lightShader.GetVariableByName("ViewportWidth").AsScalar();
lightViewportHeightVar = lightShader.GetVariableByName("ViewportHeight").AsScalar();
lightEyePositionVar = lightShader.GetVariableByName("EyePosition").AsVector();
lightViewParametersVar = lightShader.GetVariableByName("ViewParameters").AsVector();
var elements = new InputElement[]
{
new InputElement("POSITION", 0, Format.R32G32B32_Float, 0, 0, InputClassification.PerVertexData, 0),
};
lightVolumeInputLayout = new InputLayout(Device, lightShader.GetTechniqueByIndex(0).GetPassByName("Light").Description.Signature, elements);
pointLightVolumeVertices = Light.CreatePointLightVolume(out pointLightVolumeIndices);
var vertexBufferDesc = new BufferDescription
{
SizeInBytes = Vector3.SizeInBytes * pointLightVolumeVertices.Length,
Usage = ResourceUsage.Default,
BindFlags = BindFlags.VertexBuffer,
};
using (var data = new DataStream(vertexBufferDesc.SizeInBytes, false, true))
{
data.WriteRange(pointLightVolumeVertices);
data.Position = 0;
pointLightVolumeVertexBuffer = new Buffer(Device, data, vertexBufferDesc);
}
pointLightVolumeVertexBufferBinding = new VertexBufferBinding(pointLightVolumeVertexBuffer, 12, 0);
var indexBufferDesc = new BufferDescription
{
SizeInBytes = sizeof(uint) * pointLightVolumeIndices.Length,
Usage = ResourceUsage.Default,
BindFlags = BindFlags.IndexBuffer
};
using (var data = new DataStream(indexBufferDesc.SizeInBytes, false, true))
{
data.WriteRange(pointLightVolumeIndices);
data.Position = 0;
pointLightVolumeIndexBuffer = new Buffer(Device, data, indexBufferDesc);
}
lightDepthBufferVar = lightShader.GetVariableByName("depthBuffer").AsShaderResource();
lightNormalBufferVar = lightShader.GetVariableByName("normalBuffer").AsShaderResource();
lights.Add(new Light(pointLightPosition, 60, new Vector4(1, 0.95f, 0.9f, 1)));
//lights.Add(new Light(pointLightPosition, 60, new Vector4(0, 0, 1, 1)));
//lights.Add(new Light(new Vector3(-10, 10, 10), 30, new Vector4(1, 0, 0, 1)));
//lights.Add(new Light(new Vector3(10, 5, -10), 20, new Vector4(0, 1, 0, 1)));
//lights.Add(new Light(new Vector3(-10, 5, -10), 20, new Vector4(1, 0, 1, 1)));
info = new InfoText(Device, 256, 256);
_meshFactory = new MeshFactory(this);
MeshFactory = _meshFactory;
CreateBuffers();
GraphicsLibraryManager.LibraryStarted();
}
