295 lines
14 KiB
C#
295 lines
14 KiB
C#
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using UnityEngine.Experimental.Rendering.Universal;
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using UnityEngine.Rendering.Universal.Internal;
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namespace UnityEngine.Rendering.Universal
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{
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internal class Renderer2D : ScriptableRenderer
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{
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// Constants
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#if UNITY_SWITCH
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internal const int k_DepthBufferBits = 24;
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#else
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internal const int k_DepthBufferBits = 32;
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#endif
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Render2DLightingPass m_Render2DLightingPass;
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PixelPerfectBackgroundPass m_PixelPerfectBackgroundPass;
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FinalBlitPass m_FinalBlitPass;
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Light2DCullResult m_LightCullResult;
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private static readonly ProfilingSampler m_ProfilingSampler = new ProfilingSampler("Create Camera Textures");
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bool m_UseDepthStencilBuffer = true;
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bool m_CreateColorTexture;
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bool m_CreateDepthTexture;
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readonly RenderTargetHandle k_ColorTextureHandle;
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readonly RenderTargetHandle k_DepthTextureHandle;
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Material m_BlitMaterial;
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Material m_SamplingMaterial;
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Renderer2DData m_Renderer2DData;
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internal bool createColorTexture => m_CreateColorTexture;
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internal bool createDepthTexture => m_CreateDepthTexture;
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PostProcessPasses m_PostProcessPasses;
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internal ColorGradingLutPass colorGradingLutPass { get => m_PostProcessPasses.colorGradingLutPass; }
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internal PostProcessPass postProcessPass { get => m_PostProcessPasses.postProcessPass; }
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internal PostProcessPass finalPostProcessPass { get => m_PostProcessPasses.finalPostProcessPass; }
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internal RenderTargetHandle afterPostProcessColorHandle { get => m_PostProcessPasses.afterPostProcessColor; }
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internal RenderTargetHandle colorGradingLutHandle { get => m_PostProcessPasses.colorGradingLut; }
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/// <inheritdoc/>
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public override int SupportedCameraStackingTypes()
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{
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return 1 << (int)CameraRenderType.Base | 1 << (int)CameraRenderType.Overlay;
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}
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public Renderer2D(Renderer2DData data) : base(data)
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{
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m_BlitMaterial = CoreUtils.CreateEngineMaterial(data.blitShader);
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m_SamplingMaterial = CoreUtils.CreateEngineMaterial(data.samplingShader);
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m_Render2DLightingPass = new Render2DLightingPass(data, m_BlitMaterial, m_SamplingMaterial);
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// we should determine why clearing the camera target is set so late in the events... sounds like it could be earlier
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m_PixelPerfectBackgroundPass = new PixelPerfectBackgroundPass(RenderPassEvent.AfterRenderingTransparents);
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m_FinalBlitPass = new FinalBlitPass(RenderPassEvent.AfterRendering + 1, m_BlitMaterial);
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m_PostProcessPasses = new PostProcessPasses(data.postProcessData, m_BlitMaterial);
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m_UseDepthStencilBuffer = data.useDepthStencilBuffer;
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// We probably should declare these names in the base class,
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// as they must be the same across all ScriptableRenderer types for camera stacking to work.
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k_ColorTextureHandle.Init("_CameraColorTexture");
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k_DepthTextureHandle.Init("_CameraDepthAttachment");
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m_Renderer2DData = data;
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supportedRenderingFeatures = new RenderingFeatures();
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m_LightCullResult = new Light2DCullResult();
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m_Renderer2DData.lightCullResult = m_LightCullResult;
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}
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protected override void Dispose(bool disposing)
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{
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m_PostProcessPasses.Dispose();
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}
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public Renderer2DData GetRenderer2DData()
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{
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return m_Renderer2DData;
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}
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void CreateRenderTextures(
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ref CameraData cameraData,
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bool forceCreateColorTexture,
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FilterMode colorTextureFilterMode,
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CommandBuffer cmd,
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out RenderTargetHandle colorTargetHandle,
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out RenderTargetHandle depthTargetHandle)
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{
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ref var cameraTargetDescriptor = ref cameraData.cameraTargetDescriptor;
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if (cameraData.renderType == CameraRenderType.Base)
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{
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m_CreateColorTexture = forceCreateColorTexture
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|| cameraData.postProcessEnabled
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|| cameraData.isHdrEnabled
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|| cameraData.isSceneViewCamera
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|| !cameraData.isDefaultViewport
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|| cameraData.requireSrgbConversion
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|| !cameraData.resolveFinalTarget
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|| m_Renderer2DData.useCameraSortingLayerTexture
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|| !Mathf.Approximately(cameraData.renderScale, 1.0f);
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m_CreateDepthTexture = !cameraData.resolveFinalTarget && m_UseDepthStencilBuffer;
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colorTargetHandle = m_CreateColorTexture ? k_ColorTextureHandle : RenderTargetHandle.CameraTarget;
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depthTargetHandle = m_CreateDepthTexture ? k_DepthTextureHandle : colorTargetHandle;
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if (m_CreateColorTexture)
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{
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var colorDescriptor = cameraTargetDescriptor;
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colorDescriptor.depthBufferBits = m_CreateDepthTexture || !m_UseDepthStencilBuffer ? 0 : k_DepthBufferBits;
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cmd.GetTemporaryRT(k_ColorTextureHandle.id, colorDescriptor, colorTextureFilterMode);
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}
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if (m_CreateDepthTexture)
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{
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var depthDescriptor = cameraTargetDescriptor;
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depthDescriptor.colorFormat = RenderTextureFormat.Depth;
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depthDescriptor.depthBufferBits = k_DepthBufferBits;
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depthDescriptor.bindMS = depthDescriptor.msaaSamples > 1 && !SystemInfo.supportsMultisampleAutoResolve && (SystemInfo.supportsMultisampledTextures != 0);
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cmd.GetTemporaryRT(k_DepthTextureHandle.id, depthDescriptor, FilterMode.Point);
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}
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}
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else // Overlay camera
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{
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// These render textures are created by the base camera, but it's the responsibility of the last overlay camera's ScriptableRenderer
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// to release the textures in its FinishRendering().
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m_CreateColorTexture = true;
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m_CreateDepthTexture = true;
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colorTargetHandle = k_ColorTextureHandle;
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depthTargetHandle = k_DepthTextureHandle;
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}
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}
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public override void Setup(ScriptableRenderContext context, ref RenderingData renderingData)
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{
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ref CameraData cameraData = ref renderingData.cameraData;
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ref var cameraTargetDescriptor = ref cameraData.cameraTargetDescriptor;
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bool stackHasPostProcess = renderingData.postProcessingEnabled;
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bool lastCameraInStack = cameraData.resolveFinalTarget;
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var colorTextureFilterMode = FilterMode.Bilinear;
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PixelPerfectCamera ppc = null;
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bool ppcUsesOffscreenRT = false;
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bool ppcUpscaleRT = false;
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bool savedIsOrthographic = renderingData.cameraData.camera.orthographic;
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float savedOrthographicSize = renderingData.cameraData.camera.orthographicSize;
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if (DebugHandler != null)
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{
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#if UNITY_EDITOR
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UnityEditorInternal.SpriteMaskUtility.EnableDebugMode(DebugHandler.DebugDisplaySettings.MaterialSettings.DebugMaterialModeData == DebugMaterialMode.SpriteMask);
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#endif
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if (DebugHandler.AreAnySettingsActive)
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{
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stackHasPostProcess = stackHasPostProcess && DebugHandler.IsPostProcessingAllowed;
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}
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DebugHandler.Setup(context, ref cameraData);
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}
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#if UNITY_EDITOR
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// The scene view camera cannot be uninitialized or skybox when using the 2D renderer.
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if (cameraData.cameraType == CameraType.SceneView)
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{
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renderingData.cameraData.camera.clearFlags = CameraClearFlags.SolidColor;
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}
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#endif
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// Pixel Perfect Camera doesn't support camera stacking.
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if (cameraData.renderType == CameraRenderType.Base && lastCameraInStack)
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{
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cameraData.camera.TryGetComponent(out ppc);
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if (ppc != null && ppc.enabled)
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{
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if (ppc.offscreenRTSize != Vector2Int.zero)
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{
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ppcUsesOffscreenRT = true;
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// Pixel Perfect Camera may request a different RT size than camera VP size.
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// In that case we need to modify cameraTargetDescriptor here so that all the passes would use the same size.
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cameraTargetDescriptor.width = ppc.offscreenRTSize.x;
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cameraTargetDescriptor.height = ppc.offscreenRTSize.y;
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}
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renderingData.cameraData.camera.orthographic = true;
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renderingData.cameraData.camera.orthographicSize = ppc.orthographicSize;
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colorTextureFilterMode = ppc.finalBlitFilterMode;
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ppcUpscaleRT = ppc.gridSnapping == PixelPerfectCamera.GridSnapping.UpscaleRenderTexture;
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}
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}
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RenderTargetHandle colorTargetHandle;
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RenderTargetHandle depthTargetHandle;
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CommandBuffer cmd = CommandBufferPool.Get();
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using (new ProfilingScope(cmd, m_ProfilingSampler))
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{
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CreateRenderTextures(ref cameraData, ppcUsesOffscreenRT, colorTextureFilterMode, cmd,
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out colorTargetHandle, out depthTargetHandle);
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}
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context.ExecuteCommandBuffer(cmd);
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CommandBufferPool.Release(cmd);
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ConfigureCameraTarget(colorTargetHandle.Identifier(), depthTargetHandle.Identifier());
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// Add passes from Renderer Features. - NOTE: This should be reexamined in the future. Please see feedback from this PR https://github.com/Unity-Technologies/Graphics/pull/3147/files
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isCameraColorTargetValid = true; // This is to make it possible to call ScriptableRenderer.cameraColorTarget in the custom passes.
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AddRenderPasses(ref renderingData);
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isCameraColorTargetValid = false;
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// We generate color LUT in the base camera only. This allows us to not break render pass execution for overlay cameras.
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if (stackHasPostProcess && cameraData.renderType == CameraRenderType.Base && m_PostProcessPasses.isCreated)
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{
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colorGradingLutPass.Setup(colorGradingLutHandle);
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EnqueuePass(colorGradingLutPass);
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}
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var needsDepth = m_CreateDepthTexture || (!m_CreateColorTexture && m_UseDepthStencilBuffer);
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m_Render2DLightingPass.Setup(needsDepth);
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m_Render2DLightingPass.ConfigureTarget(colorTargetHandle.Identifier(), depthTargetHandle.Identifier());
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EnqueuePass(m_Render2DLightingPass);
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// When using Upscale Render Texture on a Pixel Perfect Camera, we want all post-processing effects done with a low-res RT,
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// and only upscale the low-res RT to fullscreen when blitting it to camera target. Also, final post processing pass is not run in this case,
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// so FXAA is not supported (you don't want to apply FXAA when everything is intentionally pixelated).
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bool requireFinalPostProcessPass =
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lastCameraInStack && !ppcUpscaleRT && stackHasPostProcess && cameraData.antialiasing == AntialiasingMode.FastApproximateAntialiasing;
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bool hasPassesAfterPostProcessing = activeRenderPassQueue.Find(x => x.renderPassEvent == RenderPassEvent.AfterRenderingPostProcessing) != null;
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if (stackHasPostProcess && m_PostProcessPasses.isCreated)
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{
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RenderTargetHandle postProcessDestHandle =
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lastCameraInStack && !ppcUpscaleRT && !requireFinalPostProcessPass ? RenderTargetHandle.CameraTarget : afterPostProcessColorHandle;
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postProcessPass.Setup(
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cameraTargetDescriptor,
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colorTargetHandle,
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postProcessDestHandle,
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depthTargetHandle,
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colorGradingLutHandle,
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requireFinalPostProcessPass,
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postProcessDestHandle == RenderTargetHandle.CameraTarget);
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EnqueuePass(postProcessPass);
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colorTargetHandle = postProcessDestHandle;
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}
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if (ppc != null && ppc.enabled && (ppc.cropFrame == PixelPerfectCamera.CropFrame.Pillarbox || ppc.cropFrame == PixelPerfectCamera.CropFrame.Letterbox || ppc.cropFrame == PixelPerfectCamera.CropFrame.Windowbox || ppc.cropFrame == PixelPerfectCamera.CropFrame.StretchFill))
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{
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m_PixelPerfectBackgroundPass.Setup(savedIsOrthographic, savedOrthographicSize);
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EnqueuePass(m_PixelPerfectBackgroundPass);
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}
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if (requireFinalPostProcessPass && m_PostProcessPasses.isCreated)
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{
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finalPostProcessPass.SetupFinalPass(colorTargetHandle, hasPassesAfterPostProcessing);
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EnqueuePass(finalPostProcessPass);
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}
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else if (lastCameraInStack && colorTargetHandle != RenderTargetHandle.CameraTarget)
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{
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m_FinalBlitPass.Setup(cameraTargetDescriptor, colorTargetHandle);
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EnqueuePass(m_FinalBlitPass);
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}
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}
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public override void SetupCullingParameters(ref ScriptableCullingParameters cullingParameters, ref CameraData cameraData)
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{
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cullingParameters.cullingOptions = CullingOptions.None;
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cullingParameters.isOrthographic = cameraData.camera.orthographic;
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cullingParameters.shadowDistance = 0.0f;
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m_LightCullResult.SetupCulling(ref cullingParameters, cameraData.camera);
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}
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public override void FinishRendering(CommandBuffer cmd)
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{
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if (m_CreateColorTexture)
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cmd.ReleaseTemporaryRT(k_ColorTextureHandle.id);
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if (m_CreateDepthTexture)
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cmd.ReleaseTemporaryRT(k_DepthTextureHandle.id);
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}
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}
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}
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