private void RenderOverlay()
{
info.Render();
outputMerger.SetBlendState(alphaBlendState);
diffuseBufferVar.SetResource(info.OverlayBufferView);
gBufferOverlayPass.Apply(_immediateContext);
_immediateContext.Draw(4, 0);
}
void Render()
{
// Clear targets
_immediateContext.ClearDepthStencilView(depthView, DepthStencilClearFlags.Depth, 1.0f, 0);
//_immediateContext.ClearRenderTargetView(renderView, ambient);
_immediateContext.ClearRenderTargetView(gBufferLightView, Color4.Black);
_immediateContext.ClearRenderTargetView(gBufferNormalView, Color4.Black);
_immediateContext.ClearRenderTargetView(gBufferDiffuseView, Color4.Black);
// Read collision object transforms, create geometry, etc.
_meshFactory.InitInstancedRender();
// Light depth map pass
_immediateContext.ClearDepthStencilView(lightDepthView, DepthStencilClearFlags.Depth, 1.0f, 0);
if (shadowsEnabled)
{
outputMerger.SetDepthStencilState(lightDepthStencilState);
outputMerger.SetRenderTargets(lightDepthView);
shadowGenPass.Apply(_immediateContext);
OnRender();
shadowLightDepthBufferVar.SetResource(lightDepthRes);
}
// Render geometry (colors, normals, depth) to G-buffer
outputMerger.SetDepthStencilState(depthState);
outputMerger.SetTargets(depthView, gBufferViews);
gBufferGenPass.Apply(_immediateContext);
OnRender();
if (Demo.IsDebugDrawEnabled)
{
debugDrawPass.Apply(_immediateContext);
(Demo.World.DebugDrawer as PhysicsDebugDraw).DrawDebugWorld(Demo.World);
}
// Light accumulation to G-buffer
if (deferredLightingEnabled)
{
outputMerger.SetBlendState(additiveBlendState);
// Can't set depthView as render target and shader variable at the same time,
// so early HW depth test is not available for light volumes.
//outputMerger.SetTargets(depthView, gBufferLightView);
outputMerger.SetTargets(gBufferLightView);
RenderLights();
}
// Render G-buffer
outputMerger.SetBlendState(alphaBlendState);
outputMerger.SetDepthStencilState(null);
if (depthOfFieldEnabled)
{
outputMerger.SetTargets(gBufferPostProcessView);
}
else
{
outputMerger.SetTargets(renderView);
}
inputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleStrip;
lightBufferVar.SetResource(lightBufferRes);
normalBufferVar.SetResource(normalBufferRes);
diffuseBufferVar.SetResource(diffuseBufferRes);
depthMapVar.SetResource(depthBufferRes);
//_immediateContext.ClearRenderTargetView(gBufferPostProcessView, Color4.Black);
gBufferRenderPass.Apply(_immediateContext);
_immediateContext.Draw(3, 0);
if (depthOfFieldEnabled)
{
diffuseBufferVar.SetResource(postProcessBufferRes);
outputMerger.SetTargets(gBufferPostProcessViewBlur1);
gBufferPostProcessPass.Apply(_immediateContext);
_immediateContext.Draw(3, 0);
diffuseBufferVar.SetResource(postProcessBufferBlur1Res);
outputMerger.SetTargets(gBufferPostProcessViewBlur2);
gBufferPostProcessPass.Apply(_immediateContext);
_immediateContext.Draw(3, 0);
diffuseBufferVar.SetResource(postProcessBufferBlur2Res);
outputMerger.SetTargets(gBufferPostProcessViewBlur1);
gBufferPostProcessPass.Apply(_immediateContext);
_immediateContext.Draw(3, 0);
diffuseBufferVar.SetResource(postProcessBufferBlur1Res);
outputMerger.SetTargets(gBufferPostProcessViewBlur2);
gBufferPostProcessPass.Apply(_immediateContext);
_immediateContext.Draw(3, 0);
diffuseBufferVar.SetResource(postProcessBufferRes);
normalBufferVar.SetResource(postProcessBufferBlur2Res);
outputMerger.SetTargets(renderView);
gBufferPostProcessPass2.Apply(_immediateContext);
_immediateContext.Draw(3, 0);
}
// Render overlay
info.Render();
outputMerger.SetBlendState(alphaBlendState);
diffuseBufferVar.SetResource(info.OverlayBufferRes);
gBufferOverlayPass.Apply(_immediateContext);
_immediateContext.Draw(4, 0);
_swapChain.Present(0, PresentFlags.None);
}