public void Setup(ScriptableRenderer renderer, ref RenderingData renderingData)
{
Init();
Camera camera = renderingData.cameraData.camera;
renderer.SetupPerObjectLightIndices(ref renderingData.cullResults, ref renderingData.lightData);
RenderTextureDescriptor baseDescriptor = ScriptableRenderer.CreateRenderTextureDescriptor(ref renderingData.cameraData);
RenderTextureDescriptor shadowDescriptor = baseDescriptor;
shadowDescriptor.dimension = TextureDimension.Tex2D;
bool mainLightShadows = false;
if (renderingData.shadowData.supportsMainLightShadows)
{
mainLightShadows = m_MainLightShadowCasterPass.Setup(m_MainLightShadowmap, ref renderingData);
if (mainLightShadows)
{
renderer.EnqueuePass(m_MainLightShadowCasterPass);
}
}
if (renderingData.shadowData.supportsAdditionalLightShadows)
{
bool additionalLightShadows = m_AdditionalLightsShadowCasterPass.Setup(m_AdditionalLightsShadowmap, ref renderingData, renderer.maxVisibleAdditionalLights);
if (additionalLightShadows)
{
renderer.EnqueuePass(m_AdditionalLightsShadowCasterPass);
}
}
bool resolveShadowsInScreenSpace = mainLightShadows && renderingData.shadowData.requiresScreenSpaceShadowResolve;
bool requiresDepthPrepass = resolveShadowsInScreenSpace || renderingData.cameraData.isSceneViewCamera ||
(renderingData.cameraData.requiresDepthTexture && (!CanCopyDepth(ref renderingData.cameraData)));
// For now VR requires a depth prepass until we figure out how to properly resolve texture2DMS in stereo
requiresDepthPrepass |= renderingData.cameraData.isStereoEnabled;
renderer.EnqueuePass(m_SetupForwardRenderingPass);
camera.GetComponents(m_AfterDepthpasses);
camera.GetComponents(m_AfterOpaquePasses);
camera.GetComponents(m_AfterOpaquePostProcessPasses);
camera.GetComponents(m_AfterSkyboxPasses);
camera.GetComponents(m_AfterTransparentPasses);
camera.GetComponents(m_AfterRenderPasses);
if (requiresDepthPrepass)
{
m_DepthOnlyPass.Setup(baseDescriptor, m_DepthTexture, SampleCount.One);
renderer.EnqueuePass(m_DepthOnlyPass);
foreach (var pass in m_AfterDepthpasses)
{
renderer.EnqueuePass(pass.GetPassToEnqueue(m_DepthOnlyPass.descriptor, m_DepthTexture));
}
}
if (resolveShadowsInScreenSpace)
{
m_ScreenSpaceShadowResolvePass.Setup(baseDescriptor, m_ScreenSpaceShadowmap);
renderer.EnqueuePass(m_ScreenSpaceShadowResolvePass);
}
bool requiresRenderToTexture = RequiresIntermediateColorTexture(ref renderingData.cameraData, baseDescriptor) ||
m_AfterDepthpasses.Count != 0 ||
m_AfterOpaquePasses.Count != 0 ||
m_AfterOpaquePostProcessPasses.Count != 0 ||
m_AfterSkyboxPasses.Count != 0 ||
m_AfterTransparentPasses.Count != 0 ||
m_AfterRenderPasses.Count != 0 ||
Display.main.requiresBlitToBackbuffer ||
renderingData.killAlphaInFinalBlit;
RenderTargetHandle colorHandle = RenderTargetHandle.CameraTarget;
RenderTargetHandle depthHandle = RenderTargetHandle.CameraTarget;
var sampleCount = (SampleCount)renderingData.cameraData.msaaSamples;
if (requiresRenderToTexture)
{
colorHandle = m_ColorAttachment;
depthHandle = m_DepthAttachment;
m_CreateLightweightRenderTexturesPass.Setup(baseDescriptor, colorHandle, depthHandle, sampleCount);
renderer.EnqueuePass(m_CreateLightweightRenderTexturesPass);
}
if (renderingData.cameraData.isStereoEnabled)
{
renderer.EnqueuePass(m_BeginXrRenderingPass);
}
var perObjectFlags = ScriptableRenderer.GetPerObjectLightFlags(renderingData.lightData.mainLightIndex, renderingData.lightData.additionalLightsCount);
m_SetupLightweightConstants.Setup(renderer.maxVisibleAdditionalLights, renderer.perObjectLightIndices);
renderer.EnqueuePass(m_SetupLightweightConstants);
m_RenderOpaqueForwardPass.Setup(baseDescriptor, colorHandle, depthHandle, ScriptableRenderer.GetCameraClearFlag(camera), camera.backgroundColor, perObjectFlags);
renderer.EnqueuePass(m_RenderOpaqueForwardPass);
foreach (var pass in m_AfterOpaquePasses)
{
renderer.EnqueuePass(pass.GetPassToEnqueue(baseDescriptor, colorHandle, depthHandle));
}
if (renderingData.cameraData.postProcessEnabled &&
renderingData.cameraData.postProcessLayer.HasOpaqueOnlyEffects(renderer.postProcessingContext))
{
m_CreatePostOpaqueColorPass.Setup(baseDescriptor, m_ColorAttachmentAfterOpaquePost, sampleCount);
renderer.EnqueuePass(m_CreatePostOpaqueColorPass);
m_OpaquePostProcessPass.Setup(baseDescriptor, colorHandle, m_ColorAttachmentAfterOpaquePost, true, false);
renderer.EnqueuePass(m_OpaquePostProcessPass);
colorHandle = m_ColorAttachmentAfterOpaquePost;
foreach (var pass in m_AfterOpaquePostProcessPasses)
{
renderer.EnqueuePass(pass.GetPassToEnqueue(baseDescriptor, colorHandle, depthHandle));
}
}
if (camera.clearFlags == CameraClearFlags.Skybox)
{
m_DrawSkyboxPass.Setup(colorHandle, depthHandle);
renderer.EnqueuePass(m_DrawSkyboxPass);
}
foreach (var pass in m_AfterSkyboxPasses)
{
renderer.EnqueuePass(pass.GetPassToEnqueue(baseDescriptor, colorHandle, depthHandle));
}
if (renderingData.cameraData.requiresDepthTexture && !requiresDepthPrepass)
{
m_CopyDepthPass.Setup(depthHandle, m_DepthTexture);
renderer.EnqueuePass(m_CopyDepthPass);
}
if (renderingData.cameraData.requiresOpaqueTexture)
{
m_CopyColorPass.Setup(colorHandle, m_OpaqueColor);
renderer.EnqueuePass(m_CopyColorPass);
}
m_RenderTransparentForwardPass.Setup(baseDescriptor, colorHandle, depthHandle, perObjectFlags);
renderer.EnqueuePass(m_RenderTransparentForwardPass);
foreach (var pass in m_AfterTransparentPasses)
{
renderer.EnqueuePass(pass.GetPassToEnqueue(baseDescriptor, colorHandle, depthHandle));
}
#if UNITY_EDITOR
m_LitGizmoRenderingPass.Setup(true);
renderer.EnqueuePass(m_LitGizmoRenderingPass);
#endif
bool afterRenderExists = m_AfterRenderPasses.Count != 0;
// if we have additional filters
// we need to stay in a RT
if (afterRenderExists)
{
// perform post with src / dest the same
if (renderingData.cameraData.postProcessEnabled)
{
m_CreatePostTransparentColorPass.Setup(baseDescriptor, m_ColorAttachmentAfterTransparentPost, sampleCount);
renderer.EnqueuePass(m_CreatePostTransparentColorPass);
m_PostProcessPass.Setup(baseDescriptor, colorHandle, m_ColorAttachmentAfterTransparentPost, false, false);
renderer.EnqueuePass(m_PostProcessPass);
colorHandle = m_ColorAttachmentAfterTransparentPost;
}
//execute after passes
foreach (var pass in m_AfterRenderPasses)
{
renderer.EnqueuePass(pass.GetPassToEnqueue(baseDescriptor, colorHandle, depthHandle));
}
//now blit into the final target
if (colorHandle != RenderTargetHandle.CameraTarget)
{
if (m_CapturePass.Setup(colorHandle, renderingData.cameraData.captureActions))
{
renderer.EnqueuePass(m_CapturePass);
}
m_FinalBlitPass.Setup(baseDescriptor, colorHandle, Display.main.requiresSrgbBlitToBackbuffer, renderingData.killAlphaInFinalBlit);
renderer.EnqueuePass(m_FinalBlitPass);
}
}
else
{
if (renderingData.cameraData.postProcessEnabled)
{
m_PostProcessPass.Setup(baseDescriptor, colorHandle, RenderTargetHandle.CameraTarget, false, renderingData.cameraData.camera.targetTexture == null);
renderer.EnqueuePass(m_PostProcessPass);
}
else if (colorHandle != RenderTargetHandle.CameraTarget)
{
if (m_CapturePass.Setup(colorHandle, renderingData.cameraData.captureActions))
{
renderer.EnqueuePass(m_CapturePass);
}
m_FinalBlitPass.Setup(baseDescriptor, colorHandle, Display.main.requiresSrgbBlitToBackbuffer, renderingData.killAlphaInFinalBlit);
renderer.EnqueuePass(m_FinalBlitPass);
}
}
if (renderingData.cameraData.isStereoEnabled)
{
renderer.EnqueuePass(m_EndXrRenderingPass);
}
#if UNITY_EDITOR
m_UnlitGizmoRenderingPass.Setup(false);
renderer.EnqueuePass(m_UnlitGizmoRenderingPass);
if (renderingData.cameraData.isSceneViewCamera)
{
m_SceneViewDepthCopyPass.Setup(m_DepthTexture);
renderer.EnqueuePass(m_SceneViewDepthCopyPass);
}
#endif
}
public void Setup(ScriptableRenderer renderer, ref RenderingData renderingData)
{
Init();
Camera camera = renderingData.cameraData.camera;
renderer.SetupPerObjectLightIndices(ref renderingData.cullResults, ref renderingData.lightData);
RenderTextureDescriptor baseDescriptor = ScriptableRenderer.CreateRenderTextureDescriptor(ref renderingData.cameraData);
ClearFlag clearFlag = ScriptableRenderer.GetCameraClearFlag(renderingData.cameraData.camera);
RenderTextureDescriptor shadowDescriptor = baseDescriptor;
shadowDescriptor.dimension = TextureDimension.Tex2D;
bool mainLightShadows = false;
if (renderingData.shadowData.supportsMainLightShadows)
{
mainLightShadows = m_MainLightShadowCasterPass.Setup(m_MainLightShadowmap, ref renderingData);
if (mainLightShadows)
{
renderer.EnqueuePass(m_MainLightShadowCasterPass);
}
}
if (renderingData.shadowData.supportsAdditionalLightShadows)
{
bool additionalLightShadows = m_AdditionalLightsShadowCasterPass.Setup(m_AdditionalLightsShadowmap, ref renderingData, renderer.maxVisibleAdditionalLights);
if (additionalLightShadows)
{
renderer.EnqueuePass(m_AdditionalLightsShadowCasterPass);
}
}
bool resolveShadowsInScreenSpace = mainLightShadows && renderingData.shadowData.requiresScreenSpaceShadowResolve;
// Depth prepass is generated in the following cases:
// - We resolve shadows in screen space
// - Scene view camera always requires a depth texture. We do a depth pre-pass to simplify it and it shouldn't matter much for editor.
// - If game or offscreen camera requires it we check if we can copy the depth from the rendering opaques pass and use that instead.
bool requiresDepthPrepass = resolveShadowsInScreenSpace ||
renderingData.cameraData.isSceneViewCamera ||
(renderingData.cameraData.requiresDepthTexture && (!CanCopyDepth(ref renderingData.cameraData)));
// For now VR requires a depth prepass until we figure out how to properly resolve texture2DMS in stereo
requiresDepthPrepass |= renderingData.cameraData.isStereoEnabled;
renderer.EnqueuePass(m_SetupForwardRenderingPass);
camera.GetComponents(m_BeforeRenderPasses);
camera.GetComponents(m_AfterOpaquePasses);
camera.GetComponents(m_AfterOpaquePostProcessPasses);
camera.GetComponents(m_AfterSkyboxPasses);
camera.GetComponents(m_AfterTransparentPasses);
camera.GetComponents(m_AfterRenderPasses);
bool createColorTexture = RequiresIntermediateColorTexture(ref renderingData, baseDescriptor) ||
m_BeforeRenderPasses.Count != 0 ||
m_AfterOpaquePasses.Count != 0 ||
m_AfterOpaquePostProcessPasses.Count != 0 ||
m_AfterSkyboxPasses.Count != 0 ||
m_AfterTransparentPasses.Count != 0 ||
m_AfterRenderPasses.Count != 0;
// If camera requires depth and there's no depth pre-pass we create a depth texture that can be read
// later by effect requiring it.
bool createDepthTexture = renderingData.cameraData.requiresDepthTexture && !requiresDepthPrepass;
RenderTargetHandle colorHandle = (createColorTexture) ? m_ColorAttachment : RenderTargetHandle.CameraTarget;
RenderTargetHandle depthHandle = (createDepthTexture) ? m_DepthAttachment : RenderTargetHandle.CameraTarget;
var sampleCount = (SampleCount)renderingData.cameraData.msaaSamples;
if (createColorTexture || createDepthTexture)
{
m_CreateLightweightRenderTexturesPass.Setup(baseDescriptor, colorHandle, depthHandle, sampleCount);
renderer.EnqueuePass(m_CreateLightweightRenderTexturesPass);
}
foreach (var pass in m_BeforeRenderPasses)
{
renderer.EnqueuePass(pass.GetPassToEnqueue(baseDescriptor, colorHandle, depthHandle, clearFlag));
}
if (requiresDepthPrepass)
{
m_DepthOnlyPass.Setup(baseDescriptor, m_DepthTexture);
renderer.EnqueuePass(m_DepthOnlyPass);
}
if (resolveShadowsInScreenSpace)
{
m_ScreenSpaceShadowResolvePass.Setup(baseDescriptor, m_ScreenSpaceShadowmap);
renderer.EnqueuePass(m_ScreenSpaceShadowResolvePass);
}
if (renderingData.cameraData.isStereoEnabled)
{
renderer.EnqueuePass(m_BeginXrRenderingPass);
}
var perObjectFlags = ScriptableRenderer.GetPerObjectLightFlags(renderingData.lightData.mainLightIndex, renderingData.lightData.additionalLightsCount);
m_SetupLightweightConstants.Setup(renderer.maxVisibleAdditionalLights, renderer.perObjectLightIndices);
renderer.EnqueuePass(m_SetupLightweightConstants);
// If a before all render pass executed we expect it to clear the color render target
if (m_BeforeRenderPasses.Count != 0)
{
clearFlag = ClearFlag.None;
}
m_RenderOpaqueForwardPass.Setup(baseDescriptor, colorHandle, depthHandle, clearFlag, camera.backgroundColor, perObjectFlags);
renderer.EnqueuePass(m_RenderOpaqueForwardPass);
foreach (var pass in m_AfterOpaquePasses)
{
renderer.EnqueuePass(pass.GetPassToEnqueue(baseDescriptor, colorHandle, depthHandle));
}
if (renderingData.cameraData.postProcessEnabled &&
renderingData.cameraData.postProcessLayer.HasOpaqueOnlyEffects(renderer.postProcessingContext))
{
m_OpaquePostProcessPass.Setup(baseDescriptor, colorHandle, colorHandle, true, false);
renderer.EnqueuePass(m_OpaquePostProcessPass);
foreach (var pass in m_AfterOpaquePostProcessPasses)
{
renderer.EnqueuePass(pass.GetPassToEnqueue(baseDescriptor, colorHandle, depthHandle));
}
}
if (camera.clearFlags == CameraClearFlags.Skybox && RenderSettings.skybox != null)
{
// We can't combine skybox and render opaques passes if there's a custom render pass in between
// them. Ideally we need a render graph here that each render pass declares inputs and output
// attachments and their Load/Store action so we figure out properly if we can combine passes
// and move to interleaved rendering with RenderPass API.
bool combineWithRenderOpaquesPass = m_AfterOpaquePostProcessPasses.Count == 0;
m_DrawSkyboxPass.Setup(baseDescriptor, colorHandle, depthHandle, combineWithRenderOpaquesPass);
renderer.EnqueuePass(m_DrawSkyboxPass);
}
foreach (var pass in m_AfterSkyboxPasses)
{
renderer.EnqueuePass(pass.GetPassToEnqueue(baseDescriptor, colorHandle, depthHandle));
}
// If a depth texture was created we necessarily need to copy it, otherwise we could have render it to a renderbuffer
if (createDepthTexture)
{
m_CopyDepthPass.Setup(depthHandle, m_DepthTexture);
renderer.EnqueuePass(m_CopyDepthPass);
}
if (renderingData.cameraData.requiresOpaqueTexture)
{
m_CopyColorPass.Setup(colorHandle, m_OpaqueColor);
renderer.EnqueuePass(m_CopyColorPass);
}
m_RenderTransparentForwardPass.Setup(baseDescriptor, colorHandle, depthHandle, perObjectFlags);
renderer.EnqueuePass(m_RenderTransparentForwardPass);
foreach (var pass in m_AfterTransparentPasses)
{
renderer.EnqueuePass(pass.GetPassToEnqueue(baseDescriptor, colorHandle, depthHandle));
}
#if UNITY_EDITOR
m_LitGizmoRenderingPass.Setup(true);
renderer.EnqueuePass(m_LitGizmoRenderingPass);
#endif
bool afterRenderExists = m_AfterRenderPasses.Count != 0;
// if we have additional filters
// we need to stay in a RT
if (afterRenderExists)
{
// perform post with src / dest the same
if (renderingData.cameraData.postProcessEnabled)
{
m_PostProcessPass.Setup(baseDescriptor, colorHandle, colorHandle, false, false);
renderer.EnqueuePass(m_PostProcessPass);
}
//execute after passes
foreach (var pass in m_AfterRenderPasses)
{
renderer.EnqueuePass(pass.GetPassToEnqueue(baseDescriptor, colorHandle, depthHandle));
}
//now blit into the final target
if (colorHandle != RenderTargetHandle.CameraTarget)
{
if (m_CapturePass.Setup(colorHandle, renderingData.cameraData.captureActions))
{
renderer.EnqueuePass(m_CapturePass);
}
m_FinalBlitPass.Setup(baseDescriptor, colorHandle, Display.main.requiresSrgbBlitToBackbuffer, renderingData.killAlphaInFinalBlit);
renderer.EnqueuePass(m_FinalBlitPass);
}
}
else
{
if (renderingData.cameraData.postProcessEnabled)
{
m_PostProcessPass.Setup(baseDescriptor, colorHandle, RenderTargetHandle.CameraTarget, false, renderingData.cameraData.camera.targetTexture == null);
renderer.EnqueuePass(m_PostProcessPass);
}
else if (colorHandle != RenderTargetHandle.CameraTarget)
{
if (m_CapturePass.Setup(colorHandle, renderingData.cameraData.captureActions))
{
renderer.EnqueuePass(m_CapturePass);
}
m_FinalBlitPass.Setup(baseDescriptor, colorHandle, Display.main.requiresSrgbBlitToBackbuffer, renderingData.killAlphaInFinalBlit);
renderer.EnqueuePass(m_FinalBlitPass);
}
}
if (renderingData.cameraData.isStereoEnabled)
{
renderer.EnqueuePass(m_EndXrRenderingPass);
}
#if UNITY_EDITOR
m_UnlitGizmoRenderingPass.Setup(false);
renderer.EnqueuePass(m_UnlitGizmoRenderingPass);
if (renderingData.cameraData.isSceneViewCamera)
{
m_SceneViewDepthCopyPass.Setup(m_DepthTexture);
renderer.EnqueuePass(m_SceneViewDepthCopyPass);
}
#endif
}
public override void AddRenderPasses(ScriptableRenderer renderer, ref RenderingData renderingData)
{
renderer.EnqueuePass(renderObjectsPass);
}