public void Execute(RenderContext context)
{
_renderList.Clear();
context.Scene?.BuildRenderList(_renderList, context.Camera);
foreach (var system in context.Game.GameSystems)
{
system.BuildRenderList(_renderList);
}
context.Game.RaiseBuildingRenderList(new BuildingRenderListEventArgs(
_renderList,
context.Camera));
var commandEncoder = _commandList;
commandEncoder.Begin();
commandEncoder.SetFramebuffer(context.RenderTarget);
commandEncoder.ClearColorTarget(0, ColorRgba.DimGray.ToColorRgbaF().ToRgbaFloat());
commandEncoder.ClearDepthStencil(1);
commandEncoder.SetViewport(0, context.Game.Viewport);
UpdateGlobalConstantBuffers(commandEncoder, context);
Texture cloudTexture;
if (context.Scene != null &&
context.Scene.Lighting.TimeOfDay != TimeOfDay.Night &&
context.Scene.Lighting.EnableCloudShadows &&
context.Scene.Terrain != null)
{
cloudTexture = context.Scene.Terrain.CloudTexture;
}
else
{
cloudTexture = context.Game.ContentManager.SolidWhiteTexture;
}
void doRenderPass(RenderBucket bucket)
{
Culler.Cull(bucket.RenderItems, bucket.CulledItems, context);
if (bucket.CulledItems.Count == 0)
{
return;
}
bucket.CulledItems.Sort();
RenderItem?lastRenderItem = null;
Matrix4x4? lastWorld = null;
foreach (var renderItem in bucket.CulledItems)
{
if (lastRenderItem == null || lastRenderItem.Value.Effect != renderItem.Effect)
{
var effect = renderItem.Effect;
effect.Begin(commandEncoder);
SetDefaultConstantBuffers(renderItem.Material);
var cloudTextureParameter = renderItem.Effect.GetParameter("Global_CloudTexture", throwIfMissing: false);
if (cloudTextureParameter != null)
{
renderItem.Material.SetProperty("Global_CloudTexture", cloudTexture);
}
}
if (lastRenderItem == null || lastRenderItem.Value.Material != renderItem.Material)
{
renderItem.Material.ApplyPipelineState();
renderItem.Effect.ApplyPipelineState(commandEncoder);
}
if (lastRenderItem == null || lastRenderItem.Value.VertexBuffer0 != renderItem.VertexBuffer0)
{
commandEncoder.SetVertexBuffer(0, renderItem.VertexBuffer0);
}
if (lastRenderItem == null || lastRenderItem.Value.VertexBuffer1 != renderItem.VertexBuffer1)
{
if (renderItem.VertexBuffer1 != null)
{
commandEncoder.SetVertexBuffer(1, renderItem.VertexBuffer1);
}
}
var renderItemConstantsVSParameter = renderItem.Effect.GetParameter("RenderItemConstantsVS");
if (renderItemConstantsVSParameter != null)
{
if (lastWorld == null || lastWorld.Value != renderItem.World)
{
_renderItemConstantsBufferVS.Value.World = renderItem.World;
_renderItemConstantsBufferVS.Update(commandEncoder);
lastWorld = renderItem.World;
}
renderItem.Material.SetProperty(
"RenderItemConstantsVS",
_renderItemConstantsBufferVS.Buffer);
}
renderItem.Material.ApplyProperties();
renderItem.Effect.ApplyParameters(commandEncoder);
switch (renderItem.DrawCommand)
{
case DrawCommand.Draw:
commandEncoder.Draw(
renderItem.VertexCount,
1,
renderItem.VertexStart,
0);
break;
case DrawCommand.DrawIndexed:
commandEncoder.SetIndexBuffer(renderItem.IndexBuffer, IndexFormat.UInt16);
commandEncoder.DrawIndexed(
renderItem.IndexCount,
1,
renderItem.StartIndex,
0,
0);
break;
default:
throw new System.Exception();
}
lastRenderItem = renderItem;
}
}
doRenderPass(_renderList.Opaque);
doRenderPass(_renderList.Transparent);
// GUI and camera-dependent 2D elements
{
_drawingContext.Begin(
commandEncoder,
context.Game.ContentManager.LinearClampSampler,
new SizeF(context.Game.Viewport.Width, context.Game.Viewport.Height));
context.Game.Scene3D?.Render(_drawingContext);
context.Game.Scene2D.Render(_drawingContext);
context.Game.RaiseRendering2D(new Rendering2DEventArgs(_drawingContext));
_drawingContext.End();
}
commandEncoder.End();
context.GraphicsDevice.SubmitCommands(commandEncoder);
context.GraphicsDevice.SwapBuffers();
}
public void Execute(RenderContext context)
{
_renderList.Clear();
context.Scene.Scene3D?.World.Terrain.BuildRenderList(_renderList);
context.Scene.Scene2D.WndWindowManager.BuildRenderList(_renderList);
foreach (var system in context.Game.GameSystems)
{
system.BuildRenderList(_renderList);
}
var commandBuffer = context.GraphicsDevice.CommandQueue.GetCommandBuffer();
var renderPassDescriptor = new RenderPassDescriptor();
var clearColor = context.Camera.BackgroundColor.ToColorRgbaF();
renderPassDescriptor.SetRenderTargetDescriptor(
context.RenderTarget,
LoadAction.Clear,
clearColor);
var depthStencilBuffer = _depthStencilBufferCache.Get(
context.SwapChain.BackBufferWidth,
context.SwapChain.BackBufferHeight);
renderPassDescriptor.SetDepthStencilDescriptor(depthStencilBuffer);
var commandEncoder = commandBuffer.GetCommandEncoder(renderPassDescriptor);
commandEncoder.SetViewport(context.Camera.Viewport);
UpdateGlobalConstantBuffers(commandEncoder, context);
void doRenderPass(RenderBucket bucket)
{
Culler.Cull(bucket.RenderItems, bucket.CulledItems, context);
if (bucket.CulledItems.Count == 0)
{
return;
}
bucket.CulledItems.Sort();
RenderItem?lastRenderItem = null;
foreach (var renderItem in bucket.CulledItems)
{
if (lastRenderItem == null || lastRenderItem.Value.Effect != renderItem.Effect)
{
var effect = renderItem.Effect;
effect.Begin(commandEncoder);
SetDefaultConstantBuffers(effect);
}
if (lastRenderItem == null || lastRenderItem.Value.VertexBuffer0 != renderItem.VertexBuffer0)
{
commandEncoder.SetVertexBuffer(0, renderItem.VertexBuffer0);
}
if (lastRenderItem == null || lastRenderItem.Value.VertexBuffer1 != renderItem.VertexBuffer1)
{
commandEncoder.SetVertexBuffer(1, renderItem.VertexBuffer1);
}
var renderItemConstantsVSParameter = renderItem.Effect.GetParameter("RenderItemConstantsVS", throwIfMissing: false);
if (renderItemConstantsVSParameter != null)
{
_renderItemConstantsBufferVS.Value.World = renderItem.World;
_renderItemConstantsBufferVS.Update();
renderItemConstantsVSParameter.SetData(_renderItemConstantsBufferVS.Buffer);
}
renderItem.Material.Apply();
renderItem.Effect.Apply(commandEncoder);
switch (renderItem.DrawCommand)
{
case DrawCommand.Draw:
commandEncoder.Draw(
PrimitiveType.TriangleList,
renderItem.VertexStart,
renderItem.VertexCount);
break;
case DrawCommand.DrawIndexed:
commandEncoder.DrawIndexed(
PrimitiveType.TriangleList,
renderItem.IndexCount,
renderItem.IndexBuffer,
renderItem.StartIndex);
break;
default:
throw new System.Exception();
}
lastRenderItem = renderItem;
}
}
doRenderPass(_renderList.Opaque);
doRenderPass(_renderList.Transparent);
doRenderPass(_renderList.Gui);
commandEncoder.Close();
commandBuffer.CommitAndPresent(context.SwapChain);
}
