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Add IPostProcessWorldShader for custom effect render passes.

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This commit is contained in:
Paul Chote
2023-10-22 16:58:58 +01:00
committed by Gustas
parent b1f5367822
commit 47af7a9023
10 changed files with 174 additions and 2 deletions
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28
OpenRA.Game/Graphics/WorldRenderer.cs
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@@ -45,6 +45,8 @@ namespace OpenRA.Graphics
readonly List<IRenderable> renderablesBuffer = new();
readonly IRenderer[] renderers;
readonly IRenderPostProcessPass[] postProcessPasses;
readonly ITexture postProcessTexture;
internal WorldRenderer(ModData modData, World world)
{
@@ -71,6 +73,10 @@ namespace OpenRA.Graphics
terrainRenderer = world.WorldActor.TraitOrDefault<IRenderTerrain>();
debugVis = Exts.Lazy(() => world.WorldActor.TraitOrDefault<DebugVisualizations>());
postProcessPasses = world.WorldActor.TraitsImplementing<IRenderPostProcessPass>().ToArray();
if (postProcessPasses.Length > 0)
postProcessTexture = Game.Renderer.Context.CreateTexture();
}
public void BeginFrame()
@@ -284,6 +290,8 @@ namespace OpenRA.Graphics
if (enableDepthBuffer)
Game.Renderer.ClearDepthBuffer();
ApplyPostProcessing(PostProcessPassType.AfterActors);
World.ApplyToActorsWithTrait<IRenderAboveWorld>((actor, trait) =>
{
if (actor.IsInWorld && !actor.Disposed)
@@ -293,6 +301,8 @@ namespace OpenRA.Graphics
if (enableDepthBuffer)
Game.Renderer.ClearDepthBuffer();
ApplyPostProcessing(PostProcessPassType.AfterWorld);
World.ApplyToActorsWithTrait<IRenderShroud>((actor, trait) => trait.RenderShroud(this));
if (enableDepthBuffer)
@@ -306,9 +316,27 @@ namespace OpenRA.Graphics
foreach (var r in g)
r.Render(this);
ApplyPostProcessing(PostProcessPassType.AfterShroud);
Game.Renderer.Flush();
}
void ApplyPostProcessing(PostProcessPassType type)
{
var size = Game.Renderer.WorldFrameBufferSize;
var rect = new Rectangle(0, 0, size.Width, size.Height);
foreach (var pass in postProcessPasses)
{
if (pass.Type != type || !pass.Enabled)
continue;
// Make a copy of the world texture to avoid reading and writing on the same buffer
Game.Renderer.Flush();
postProcessTexture.SetDataFromReadBuffer(rect);
pass.Draw(this, postProcessTexture);
}
}
public void DrawAnnotations()
{
Game.Renderer.EnableAntialiasingFilter();