//////////////////////////////////////////////////////
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// MK Glow RenderTargetContext //
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// //
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// Created by Michael Kremmel //
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// www.michaelkremmel.de //
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// Copyright © 2020 All rights reserved. //
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//////////////////////////////////////////////////////
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.Rendering;
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namespace MK.Glow
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{
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//To reduce garbage collection this part is hardcoded
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/// <summary>
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/// Render targets based on a given render context
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/// </summary>
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internal static class RenderTargetContext
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{
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private static int _renderTargetCount;
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private static RenderTargetSetup[] _mrtBindingsLegacy = new RenderTargetSetup[6]
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{
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new RenderTargetSetup
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(
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new RenderBuffer[1],
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new RenderBuffer(),
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0,
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CubemapFace.Unknown,
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new RenderBufferLoadAction[1]{RenderBufferLoadAction.DontCare},
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new RenderBufferStoreAction[1]{RenderBufferStoreAction.Store},
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RenderBufferLoadAction.DontCare, RenderBufferStoreAction.DontCare
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)
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#if UNITY_2018_3_OR_NEWER
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{ depthSlice = -1 }
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#endif
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,
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new RenderTargetSetup
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(
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new RenderBuffer[2],
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new RenderBuffer(),
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0,
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CubemapFace.Unknown,
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new RenderBufferLoadAction[2]{RenderBufferLoadAction.DontCare, RenderBufferLoadAction.DontCare},
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new RenderBufferStoreAction[2]{RenderBufferStoreAction.Store, RenderBufferStoreAction.Store},
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RenderBufferLoadAction.DontCare, RenderBufferStoreAction.DontCare
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)
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#if UNITY_2018_3_OR_NEWER
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{ depthSlice = -1 }
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#endif
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,
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new RenderTargetSetup
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(
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new RenderBuffer[3],
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new RenderBuffer(),
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0,
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CubemapFace.Unknown,
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new RenderBufferLoadAction[3]{RenderBufferLoadAction.DontCare, RenderBufferLoadAction.DontCare, RenderBufferLoadAction.DontCare},
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new RenderBufferStoreAction[3]{RenderBufferStoreAction.Store, RenderBufferStoreAction.Store, RenderBufferStoreAction.Store},
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RenderBufferLoadAction.DontCare, RenderBufferStoreAction.DontCare
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)
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#if UNITY_2018_3_OR_NEWER
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{ depthSlice = -1 }
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#endif
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,
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new RenderTargetSetup
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(
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new RenderBuffer[4],
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new RenderBuffer(),
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0,
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CubemapFace.Unknown,
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new RenderBufferLoadAction[4]{RenderBufferLoadAction.DontCare, RenderBufferLoadAction.DontCare, RenderBufferLoadAction.DontCare, RenderBufferLoadAction.DontCare},
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new RenderBufferStoreAction[4]{RenderBufferStoreAction.Store, RenderBufferStoreAction.Store, RenderBufferStoreAction.Store, RenderBufferStoreAction.Store},
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RenderBufferLoadAction.DontCare, RenderBufferStoreAction.DontCare
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)
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#if UNITY_2018_3_OR_NEWER
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{ depthSlice = -1 }
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#endif
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,
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new RenderTargetSetup
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(
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new RenderBuffer[5],
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new RenderBuffer(),
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0,
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CubemapFace.Unknown,
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new RenderBufferLoadAction[5]{RenderBufferLoadAction.DontCare, RenderBufferLoadAction.DontCare, RenderBufferLoadAction.DontCare, RenderBufferLoadAction.DontCare, RenderBufferLoadAction.DontCare},
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new RenderBufferStoreAction[5]{RenderBufferStoreAction.Store, RenderBufferStoreAction.Store, RenderBufferStoreAction.Store, RenderBufferStoreAction.Store, RenderBufferStoreAction.Store},
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RenderBufferLoadAction.DontCare, RenderBufferStoreAction.DontCare
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)
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#if UNITY_2018_3_OR_NEWER
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{ depthSlice = -1 }
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#endif
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,
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new RenderTargetSetup
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(
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new RenderBuffer[6],
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new RenderBuffer(),
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0,
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CubemapFace.Unknown,
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new RenderBufferLoadAction[6]{RenderBufferLoadAction.DontCare, RenderBufferLoadAction.DontCare, RenderBufferLoadAction.DontCare, RenderBufferLoadAction.DontCare, RenderBufferLoadAction.DontCare, RenderBufferLoadAction.DontCare},
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new RenderBufferStoreAction[6]{RenderBufferStoreAction.Store, RenderBufferStoreAction.Store, RenderBufferStoreAction.Store, RenderBufferStoreAction.Store, RenderBufferStoreAction.Store, RenderBufferStoreAction.Store},
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RenderBufferLoadAction.DontCare, RenderBufferStoreAction.DontCare
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)
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#if UNITY_2018_3_OR_NEWER
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{ depthSlice = -1 }
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#endif
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};
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#if UNITY_2018_3_OR_NEWER
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private static RenderTargetBinding[] _mrtBindingsSRP = new RenderTargetBinding[6]
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{
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new RenderTargetBinding
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(
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new RenderTargetIdentifier[1],
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new RenderBufferLoadAction[1]{RenderBufferLoadAction.DontCare},
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new RenderBufferStoreAction[1]{RenderBufferStoreAction.Store},
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0, RenderBufferLoadAction.DontCare, RenderBufferStoreAction.DontCare
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),
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new RenderTargetBinding
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(
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new RenderTargetIdentifier[2],
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new RenderBufferLoadAction[2]{RenderBufferLoadAction.DontCare, RenderBufferLoadAction.DontCare},
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new RenderBufferStoreAction[2]{RenderBufferStoreAction.Store, RenderBufferStoreAction.Store},
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0, RenderBufferLoadAction.DontCare, RenderBufferStoreAction.DontCare
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),
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new RenderTargetBinding
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(
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new RenderTargetIdentifier[3],
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new RenderBufferLoadAction[3]{RenderBufferLoadAction.DontCare, RenderBufferLoadAction.DontCare, RenderBufferLoadAction.DontCare},
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new RenderBufferStoreAction[3]{RenderBufferStoreAction.Store, RenderBufferStoreAction.Store, RenderBufferStoreAction.Store},
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0, RenderBufferLoadAction.DontCare, RenderBufferStoreAction.DontCare
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),
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new RenderTargetBinding
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(
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new RenderTargetIdentifier[4],
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new RenderBufferLoadAction[4]{RenderBufferLoadAction.DontCare, RenderBufferLoadAction.DontCare, RenderBufferLoadAction.DontCare, RenderBufferLoadAction.DontCare},
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new RenderBufferStoreAction[4]{RenderBufferStoreAction.Store, RenderBufferStoreAction.Store, RenderBufferStoreAction.Store, RenderBufferStoreAction.Store},
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0, RenderBufferLoadAction.DontCare, RenderBufferStoreAction.DontCare
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),
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new RenderTargetBinding
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(
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new RenderTargetIdentifier[5],
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new RenderBufferLoadAction[5]{RenderBufferLoadAction.DontCare, RenderBufferLoadAction.DontCare, RenderBufferLoadAction.DontCare, RenderBufferLoadAction.DontCare, RenderBufferLoadAction.DontCare},
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new RenderBufferStoreAction[5]{RenderBufferStoreAction.Store, RenderBufferStoreAction.Store, RenderBufferStoreAction.Store, RenderBufferStoreAction.Store, RenderBufferStoreAction.Store},
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0, RenderBufferLoadAction.DontCare, RenderBufferStoreAction.DontCare
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),
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new RenderTargetBinding
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(
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new RenderTargetIdentifier[6],
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new RenderBufferLoadAction[6]{RenderBufferLoadAction.DontCare, RenderBufferLoadAction.DontCare, RenderBufferLoadAction.DontCare, RenderBufferLoadAction.DontCare, RenderBufferLoadAction.DontCare, RenderBufferLoadAction.DontCare},
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new RenderBufferStoreAction[6]{RenderBufferStoreAction.Store, RenderBufferStoreAction.Store, RenderBufferStoreAction.Store, RenderBufferStoreAction.Store, RenderBufferStoreAction.Store, RenderBufferStoreAction.Store},
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0, RenderBufferLoadAction.DontCare, RenderBufferStoreAction.DontCare
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)
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};
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internal static void SetRenderTargetContext(this CommandBuffer cmd, List<RenderTarget> renderTargets)
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{
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_renderTargetCount = renderTargets.Count - 1;
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for(int i = 0; i <= _renderTargetCount; i++)
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{
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_mrtBindingsSRP[_renderTargetCount].colorRenderTargets[i] = renderTargets[i].renderTargetIdentifier;
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}
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_mrtBindingsSRP[_renderTargetCount].depthRenderTarget = _mrtBindingsSRP[_renderTargetCount].colorRenderTargets[0];
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#if UNITY_2019_1_OR_NEWER
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cmd.SetRenderTarget(_mrtBindingsSRP[_renderTargetCount], 0, CubemapFace.Unknown, -1);
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#else
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cmd.SetRenderTarget(_mrtBindingsSRP[_renderTargetCount]);
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#endif
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}
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#else
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private static RenderTargetIdentifier[][] _mrtBindingsSRP = new RenderTargetIdentifier[6][]
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{
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new RenderTargetIdentifier[1]{new RenderTargetIdentifier()},
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new RenderTargetIdentifier[2]{new RenderTargetIdentifier(), new RenderTargetIdentifier()},
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new RenderTargetIdentifier[3]{new RenderTargetIdentifier(), new RenderTargetIdentifier(), new RenderTargetIdentifier()},
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new RenderTargetIdentifier[4]{new RenderTargetIdentifier(), new RenderTargetIdentifier(), new RenderTargetIdentifier(), new RenderTargetIdentifier()},
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new RenderTargetIdentifier[5]{new RenderTargetIdentifier(), new RenderTargetIdentifier(), new RenderTargetIdentifier(), new RenderTargetIdentifier(), new RenderTargetIdentifier()},
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new RenderTargetIdentifier[6]{new RenderTargetIdentifier(), new RenderTargetIdentifier() ,new RenderTargetIdentifier(), new RenderTargetIdentifier() ,new RenderTargetIdentifier(), new RenderTargetIdentifier()}
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};
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internal static void SetRenderTargetContext(this CommandBuffer cmd, List<RenderTarget> renderTargets)
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{
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_renderTargetCount = renderTargets.Count - 1;
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for(int i = 0; i <= _renderTargetCount; i++)
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{
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_mrtBindingsSRP[_renderTargetCount][i] = renderTargets[i].renderTargetIdentifier;
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}
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cmd.SetRenderTarget(_mrtBindingsSRP[_renderTargetCount], _mrtBindingsSRP[_renderTargetCount][0]);
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}
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#endif
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internal static void SetRenderTargetContext(List<RenderTarget> renderTargets)
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{
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_renderTargetCount = renderTargets.Count - 1;
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for(int i = 0; i <= _renderTargetCount; i++)
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{
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_mrtBindingsLegacy[_renderTargetCount].color[i] = renderTargets[i].renderTexture.colorBuffer;
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}
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_mrtBindingsLegacy[_renderTargetCount].depth = renderTargets[_renderTargetCount].renderTexture.depthBuffer;
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Graphics.SetRenderTarget(_mrtBindingsLegacy[_renderTargetCount]);
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}
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}
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}
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