void Render()
{
frameAccumulator += _frameDelta;
++frameCount;
if (frameAccumulator >= 1.0f)
{
FramesPerSecond = frameCount / frameAccumulator;
frameAccumulator = 0.0f;
frameCount = 0;
}
// Clear targets
_device.ClearDepthStencilView(depthView, DepthStencilClearFlags.Depth, 1.0f, 0);
_device.ClearRenderTargetView(renderView, ambient);
_device.ClearRenderTargetView(gBufferLightView, ambient);
_device.ClearRenderTargetView(gBufferNormalView, ambient);
_device.ClearRenderTargetView(gBufferDiffuseView, ambient);
meshFactory.InitInstancedRender();
// Depth map pass
if (shadowsEnabled)
{
_device.ClearDepthStencilView(lightDepthView, DepthStencilClearFlags.Depth, 1.0f, 0);
outputMerger.SetDepthStencilState(lightDepthStencilState, 0);
outputMerger.SetRenderTargets(0, new RenderTargetView[0], lightDepthView);
shadowGenPass.Apply();
OnRender();
effect2.GetVariableByName("lightDepthMap").AsShaderResource().SetResource(lightDepthRes);
}
// Render pass
outputMerger.SetDepthStencilState(depthStencilState, 0);
outputMerger.SetRenderTargets(3, gBufferViews, depthView);
gBufferGenPass.Apply();
OnRender();
// G-buffer render pass
outputMerger.SetDepthStencilState(null, 0);
outputMerger.SetRenderTargets(1, renderViews, null);
gBufferRenderPass.Apply();
inputAssembler.SetVertexBuffers(0, quadBinding);
inputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleStrip;
inputAssembler.InputLayout = quadBufferLayout;
_device.Draw(4, 0);
Info.OnRender(FramesPerSecond);
_swapChain.Present(0, PresentFlags.None);
}
private void RenderLightDepthMap()
{
_immediateContext.ClearDepthStencilView(lightDepthView, DepthStencilClearFlags.Depth, 1.0f, 0);
if (shadowsEnabled)
{
outputMerger.SetDepthStencilState(lightDepthStencilState);
outputMerger.SetRenderTargets(lightDepthView);
shadowGenPass.Apply(_immediateContext);
OnRender();
shadowLightDepthBufferVar.SetResource(lightDepthRes);
}
}
void RenderLights()
{
inputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleList;
inputAssembler.InputLayout = lightVolumeInputLayout;
inputAssembler.SetVertexBuffers(0, pointLightVolumeVertexBufferBinding);
inputAssembler.SetIndexBuffer(pointLightVolumeIndexBuffer, Format.R32_UInt, 0);
lightDepthBufferVar.SetResource(depthBufferRes);
lightNormalBufferVar.SetResource(normalBufferRes);
Vector3 eyePosition = MathHelper.Convert(Demo.Freelook.Eye);
var previousState = _immediateContext.Rasterizer.State;
// Camera outside light volume
_immediateContext.Rasterizer.State = backCullState;
outputMerger.SetDepthStencilState(outsideLightVolumeDepthState);
foreach (var light in lights)
{
float radius = light.Radius;
float bias = radius * 2;
if ((light.Position - eyePosition).LengthSquared() >= (radius * radius) + bias)
{
RenderLight(light);
}
}
// Camera inside light volume
_immediateContext.Rasterizer.State = frontCullState;
outputMerger.SetDepthStencilState(insideLightVolumeDepthState);
foreach (var light in lights)
{
float bias = light.Radius * 2;
if ((light.Position - eyePosition).LengthSquared() < (light.Radius * light.Radius) + bias)
{
RenderLight(light);
}
}
_immediateContext.Rasterizer.State = previousState;
}
void Render()
{
// Clear targets
_immediateContext.ClearDepthStencilView(depthView, DepthStencilClearFlags.Depth, 1.0f, 0);
//_immediateContext.ClearRenderTargetView(renderView, ambient);
//_immediateContext.ClearRenderTargetView(gBufferLightView, ambient);
_immediateContext.ClearRenderTargetView(gBufferNormalView, ambient);
_immediateContext.ClearRenderTargetView(gBufferDiffuseView, ambient);
_meshFactory.InitInstancedRender(Demo.World.CollisionObjectArray);
// Light depth map pass
if (shadowsEnabled)
{
_immediateContext.ClearDepthStencilView(lightDepthView, DepthStencilClearFlags.Depth, 1.0f, 0);
outputMerger.SetDepthStencilState(lightDepthStencilState);
outputMerger.SetRenderTargets(lightDepthView);
shadowGenPass.Apply(_immediateContext);
OnRender();
lightDepthMapVar.SetResource(lightDepthRes);
}
// Render to G-buffer
lightBufferVar.SetResource(null);
normalBufferVar.SetResource(null);
diffuseBufferVar.SetResource(null);
depthMapVar.SetResource(null);
lightDepthMapVar.SetResource(null);
outputMerger.SetDepthStencilState(depthStencilState);
outputMerger.SetTargets(depthView, gBufferViews);
gBufferGenPass.Apply(_immediateContext);
OnRender();
if (Demo.IsDebugDrawEnabled)
{
debugDrawPass.Apply(_immediateContext);
(Demo.World.DebugDrawer as PhysicsDebugDraw).DrawDebugWorld(Demo.World);
}
outputMerger.SetDepthStencilState(null);
info.OnRender(Demo.FramesPerSecond);
outputMerger.SetTargets(renderView);
inputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleStrip;
// Render G-buffer
lightBufferVar.SetResource(lightBufferRes);
normalBufferVar.SetResource(normalBufferRes);
diffuseBufferVar.SetResource(diffuseBufferRes);
depthMapVar.SetResource(depthRes);
lightDepthMapVar.SetResource(lightDepthRes);
gBufferRenderPass.Apply(_immediateContext);
_immediateContext.Draw(3, 0);
// Render overlay
outputMerger.SetBlendState(alphaBlendState);
diffuseBufferVar.SetResource(info.OverlayBufferRes);
gBufferOverlayPass.Apply(_immediateContext);
_immediateContext.Draw(4, 0);
_swapChain.Present(0, PresentFlags.None);
}
void Render()
{
// Clear targets
_device.ClearDepthStencilView(depthView, DepthStencilClearFlags.Depth, 1.0f, 0);
_device.ClearRenderTargetView(renderView, ambient);
_device.ClearRenderTargetView(gBufferLightView, ambient);
_device.ClearRenderTargetView(gBufferNormalView, ambient);
_device.ClearRenderTargetView(gBufferDiffuseView, ambient);
_meshFactory.InitInstancedRender(Demo.World.CollisionObjectArray);
// Light depth map pass
if (shadowsEnabled)
{
_device.ClearDepthStencilView(lightDepthView, DepthStencilClearFlags.Depth, 1.0f, 0);
outputMerger.SetDepthStencilState(lightDepthStencilState, 0);
outputMerger.SetRenderTargets(0, new RenderTargetView[0], lightDepthView);
shadowGenPass.Apply();
OnRender();
lightDepthMapVar.SetResource(lightDepthRes);
}
// Render pass
lightBufferVar.SetResource(null);
normalBufferVar.SetResource(null);
diffuseBufferVar.SetResource(null);
depthMapVar.SetResource(null);
lightDepthMapVar.SetResource(null);
outputMerger.SetDepthStencilState(depthStencilState, 0);
outputMerger.SetRenderTargets(3, gBufferViews, depthView);
gBufferGenPass.Apply();
OnRender();
if (Demo.IsDebugDrawEnabled)
{
debugDrawPass.Apply();
(Demo.World.DebugDrawer as PhysicsDebugDraw).DrawDebugWorld(Demo.World);
}
outputMerger.SetDepthStencilState(null, 0);
info.OnRender(Demo.FramesPerSecond);
// G-buffer render pass
lightBufferVar.SetResource(lightBufferRes);
normalBufferVar.SetResource(normalBufferRes);
diffuseBufferVar.SetResource(diffuseBufferRes);
depthMapVar.SetResource(depthRes);
lightDepthMapVar.SetResource(lightDepthRes);
outputMerger.SetRenderTargets(1, renderViews, null);
gBufferRenderPass.Apply();
inputAssembler.SetVertexBuffers(0, quadBinding);
inputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleStrip;
inputAssembler.InputLayout = quadBufferLayout;
_device.Draw(4, 0);
// G-buffer overlay pass
diffuseBufferVar.SetResource(info.OverlayBufferRes);
gBufferOverlayPass.Apply();
_device.Draw(4, 0);
_swapChain.Present(0, PresentFlags.None);
}
