static void InitializeRenderingData(PipelineSettings settings, ref CameraData cameraData, ref CullResults cullResults,
int maxVisibleAdditionalLights, int maxPerObjectAdditionalLights, out RenderingData renderingData)
{
List <VisibleLight> visibleLights = cullResults.visibleLights;
List <int> additionalLightIndices = new List <int>();
bool hasDirectionalShadowCastingLight = false;
bool hasPunctualShadowCastingLight = false;
if (cameraData.maxShadowDistance > 0.0f)
{
for (int i = 0; i < visibleLights.Count; ++i)
{
Light light = visibleLights[i].light;
bool castShadows = light != null && light.shadows != LightShadows.None;
// LWRP doesn't support point light shadows yet
castShadows &= visibleLights[i].lightType != LightType.Point;
if (visibleLights[i].lightType == LightType.Directional)
{
hasDirectionalShadowCastingLight |= castShadows;
}
else if (additionalLightIndices.Count < maxVisibleAdditionalLights)
{
hasPunctualShadowCastingLight |= (castShadows && settings.additionalLightsRenderingMode == LightRenderingMode.PerPixel);
additionalLightIndices.Add(i);
}
}
}
renderingData.cullResults = cullResults;
renderingData.cameraData = cameraData;
InitializeLightData(settings, visibleLights, additionalLightIndices, maxPerObjectAdditionalLights, out renderingData.lightData);
InitializeShadowData(settings, visibleLights, hasDirectionalShadowCastingLight, hasPunctualShadowCastingLight && !renderingData.lightData.shadeAdditionalLightsPerVertex, out renderingData.shadowData);
renderingData.supportsDynamicBatching = settings.supportsDynamicBatching;
}
void FinalBlitPass(ref ScriptableRenderContext context, ref CameraData cameraData)
{
Material material = cameraData.isStereoEnabled ? null : m_BlitMaterial;
RenderTargetIdentifier sourceRT = GetSurface(colorAttachmentHandle);
CommandBuffer cmd = CommandBufferPool.Get("Final Blit Pass");
cmd.SetGlobalTexture("_BlitTex", sourceRT);
if (!cameraData.isDefaultViewport)
{
SetRenderTarget(cmd, BuiltinRenderTextureType.CameraTarget, RenderBufferLoadAction.DontCare, RenderBufferStoreAction.Store, ClearFlag.All, Color.black);
cmd.SetViewProjectionMatrices(Matrix4x4.identity, Matrix4x4.identity);
cmd.SetViewport(cameraData.camera.pixelRect);
LightweightPipeline.DrawFullScreen(cmd, material);
}
else
{
cmd.Blit(GetSurface(colorAttachmentHandle), BuiltinRenderTextureType.CameraTarget, material);
}
context.ExecuteCommandBuffer(cmd);
CommandBufferPool.Release(cmd);
}
static void InitializeCameraData(PipelineSettings settings, Camera camera, out CameraData cameraData)
{
const float kRenderScaleThreshold = 0.05f;
cameraData.camera = camera;
bool msaaEnabled = camera.allowMSAA && settings.msaaSampleCount > 1;
if (msaaEnabled)
{
cameraData.msaaSamples = (camera.targetTexture != null) ? camera.targetTexture.antiAliasing : settings.msaaSampleCount;
}
else
{
cameraData.msaaSamples = 1;
}
cameraData.isSceneViewCamera = camera.cameraType == CameraType.SceneView;
cameraData.isOffscreenRender = camera.targetTexture != null && !cameraData.isSceneViewCamera;
cameraData.isStereoEnabled = IsStereoEnabled(camera);
cameraData.isHdrEnabled = camera.allowHDR && settings.supportsHDR;
cameraData.postProcessLayer = camera.GetComponent <PostProcessLayer>();
cameraData.postProcessEnabled = cameraData.postProcessLayer != null && cameraData.postProcessLayer.isActiveAndEnabled;
Rect cameraRect = camera.rect;
cameraData.isDefaultViewport = (!(Math.Abs(cameraRect.x) > 0.0f || Math.Abs(cameraRect.y) > 0.0f ||
Math.Abs(cameraRect.width) < 1.0f || Math.Abs(cameraRect.height) < 1.0f));
// If XR is enabled, use XR renderScale.
// Discard variations lesser than kRenderScaleThreshold.
// Scale is only enabled for gameview.
float usedRenderScale = XRGraphicsConfig.enabled ? settings.savedXRGraphicsConfig.renderScale : settings.renderScale;
cameraData.renderScale = (Mathf.Abs(1.0f - usedRenderScale) < kRenderScaleThreshold) ? 1.0f : usedRenderScale;
cameraData.renderScale = (camera.cameraType == CameraType.Game) ? cameraData.renderScale : 1.0f;
cameraData.requiresDepthTexture = settings.supportsCameraDepthTexture || cameraData.isSceneViewCamera;
cameraData.requiresSoftParticles = settings.supportsSoftParticles;
cameraData.requiresOpaqueTexture = settings.supportsCameraOpaqueTexture;
cameraData.opaqueTextureDownsampling = settings.opaqueDownsampling;
bool anyShadowsEnabled = settings.supportsDirectionalShadows || settings.supportsLocalShadows;
cameraData.maxShadowDistance = (anyShadowsEnabled) ? settings.shadowDistance : 0.0f;
LightweightAdditionalCameraData additionalCameraData = camera.gameObject.GetComponent <LightweightAdditionalCameraData>();
if (additionalCameraData != null)
{
cameraData.maxShadowDistance = (additionalCameraData.renderShadows) ? cameraData.maxShadowDistance : 0.0f;
cameraData.requiresDepthTexture &= additionalCameraData.requiresDepthTexture;
cameraData.requiresOpaqueTexture &= additionalCameraData.requiresColorTexture;
}
else if (!cameraData.isSceneViewCamera && camera.cameraType != CameraType.Reflection && camera.cameraType != CameraType.Preview)
{
cameraData.requiresDepthTexture = false;
cameraData.requiresOpaqueTexture = false;
}
cameraData.requiresDepthTexture |= cameraData.postProcessEnabled;
var commonOpaqueFlags = SortFlags.CommonOpaque;
var noFrontToBackOpaqueFlags = SortFlags.SortingLayer | SortFlags.RenderQueue | SortFlags.OptimizeStateChanges | SortFlags.CanvasOrder;
bool hasHSRGPU = SystemInfo.hasHiddenSurfaceRemovalOnGPU;
bool canSkipFrontToBackSorting = (camera.opaqueSortMode == OpaqueSortMode.Default && hasHSRGPU) || camera.opaqueSortMode == OpaqueSortMode.NoDistanceSort;
cameraData.defaultOpaqueSortFlags = canSkipFrontToBackSorting ? noFrontToBackOpaqueFlags : commonOpaqueFlags;
}
public static void RenderPostProcess(CommandBuffer cmd, PostProcessRenderContext context, ref CameraData cameraData, RenderTextureFormat colorFormat, RenderTargetIdentifier source, RenderTargetIdentifier dest, bool opaqueOnly)
{
Camera camera = cameraData.camera;
context.Reset();
context.camera = camera;
context.source = source;
context.sourceFormat = colorFormat;
context.destination = dest;
context.command = cmd;
context.flip = !IsStereoEnabled(camera) && camera.targetTexture == null;
if (opaqueOnly)
{
cameraData.postProcessLayer.RenderOpaqueOnly(context);
}
else
{
cameraData.postProcessLayer.Render(context);
}
}
void InitializeCameraData(Camera camera, out CameraData cameraData)
{
const float kRenderScaleThreshold = 0.05f;
cameraData.camera = camera;
bool msaaEnabled = camera.allowMSAA && pipelineAsset.msaaSampleCount > 1;
if (msaaEnabled)
{
cameraData.msaaSamples = (camera.targetTexture != null) ? camera.targetTexture.antiAliasing : pipelineAsset.msaaSampleCount;
}
else
{
cameraData.msaaSamples = 1;
}
cameraData.isSceneViewCamera = camera.cameraType == CameraType.SceneView;
cameraData.isOffscreenRender = camera.targetTexture != null && !cameraData.isSceneViewCamera;
cameraData.isStereoEnabled = IsStereoEnabled(camera);
// TODO: There's currently an issue in engine side that breaks MSAA with texture2DArray.
// for now we force msaa disabled when using texture2DArray. This fixes VR multiple and single pass instanced modes.
if (cameraData.isStereoEnabled && XRGraphicsConfig.eyeTextureDesc.dimension == TextureDimension.Tex2DArray)
{
cameraData.msaaSamples = 1;
}
cameraData.isHdrEnabled = camera.allowHDR && pipelineAsset.supportsHDR;
cameraData.postProcessLayer = camera.GetComponent <PostProcessLayer>();
cameraData.postProcessEnabled = cameraData.postProcessLayer != null && cameraData.postProcessLayer.isActiveAndEnabled;
Rect cameraRect = camera.rect;
cameraData.isDefaultViewport = (!(Math.Abs(cameraRect.x) > 0.0f || Math.Abs(cameraRect.y) > 0.0f ||
Math.Abs(cameraRect.width) < 1.0f || Math.Abs(cameraRect.height) < 1.0f));
// If XR is enabled, use XR renderScale.
// Discard variations lesser than kRenderScaleThreshold.
// Scale is only enabled for gameview.
float usedRenderScale = XRGraphicsConfig.enabled ? pipelineAsset.savedXRGraphicsConfig.renderScale : pipelineAsset.renderScale;
cameraData.renderScale = (Mathf.Abs(1.0f - usedRenderScale) < kRenderScaleThreshold) ? 1.0f : usedRenderScale;
cameraData.renderScale = (camera.cameraType == CameraType.Game) ? cameraData.renderScale : 1.0f;
cameraData.requiresDepthTexture = pipelineAsset.supportsCameraDepthTexture || cameraData.isSceneViewCamera;
cameraData.requiresSoftParticles = pipelineAsset.supportsSoftParticles;
cameraData.requiresOpaqueTexture = pipelineAsset.supportsCameraOpaqueTexture;
cameraData.opaqueTextureDownsampling = pipelineAsset.opaqueDownsampling;
bool anyShadowsEnabled = pipelineAsset.supportsDirectionalShadows || pipelineAsset.supportsLocalShadows;
cameraData.maxShadowDistance = (anyShadowsEnabled) ? pipelineAsset.shadowDistance : 0.0f;
LightweightAdditionalCameraData additionalCameraData = camera.gameObject.GetComponent <LightweightAdditionalCameraData>();
if (additionalCameraData != null)
{
cameraData.maxShadowDistance = (additionalCameraData.renderShadows) ? cameraData.maxShadowDistance : 0.0f;
cameraData.requiresDepthTexture &= additionalCameraData.requiresDepthTexture;
cameraData.requiresOpaqueTexture &= additionalCameraData.requiresColorTexture;
}
else if (!cameraData.isSceneViewCamera && camera.cameraType != CameraType.Reflection && camera.cameraType != CameraType.Preview)
{
cameraData.requiresDepthTexture = false;
cameraData.requiresOpaqueTexture = false;
}
cameraData.requiresDepthTexture |= cameraData.postProcessEnabled;
}
void RenderTransparents(ref ScriptableRenderContext context, ref CullResults cullResults, ref CameraData cameraData, RendererConfiguration rendererConfiguration, bool dynamicBatching)
{
CommandBuffer cmd = CommandBufferPool.Get(k_RenderTransparentsTag);
using (new ProfilingSample(cmd, k_RenderTransparentsTag))
{
Camera camera = cameraData.camera;
SetRenderTarget(cmd, RenderBufferLoadAction.Load, RenderBufferStoreAction.Store, ClearFlag.None, Color.black);
context.ExecuteCommandBuffer(cmd);
cmd.Clear();
var drawSettings = CreateDrawRendererSettings(camera, SortFlags.CommonTransparent, rendererConfiguration, dynamicBatching);
context.DrawRenderers(cullResults.visibleRenderers, ref drawSettings, renderer.transparentFilterSettings);
// Render objects that did not match any shader pass with error shader
RenderObjectsWithError(ref context, ref cullResults, camera, renderer.transparentFilterSettings, SortFlags.None);
}
context.ExecuteCommandBuffer(cmd);
CommandBufferPool.Release(cmd);
}
void RenderOpaques(ref ScriptableRenderContext context, ref CullResults cullResults, ref CameraData cameraData, RendererConfiguration rendererConfiguration, bool dynamicBatching)
{
CommandBuffer cmd = CommandBufferPool.Get(k_RenderOpaquesTag);
using (new ProfilingSample(cmd, k_RenderOpaquesTag))
{
Camera camera = cameraData.camera;
ClearFlag clearFlag = GetCameraClearFlag(camera);
SetRenderTarget(cmd, RenderBufferLoadAction.DontCare, RenderBufferStoreAction.Store, clearFlag, CoreUtils.ConvertSRGBToActiveColorSpace(camera.backgroundColor));
// TODO: We need a proper way to handle multiple camera/ camera stack. Issue is: multiple cameras can share a same RT
// (e.g, split screen games). However devs have to be dilligent with it and know when to clear/preserve color.
// For now we make it consistent by resolving viewport with a RT until we can have a proper camera management system
//if (colorAttachmentHandle == -1 && !cameraData.isDefaultViewport)
// cmd.SetViewport(camera.pixelRect);
context.ExecuteCommandBuffer(cmd);
cmd.Clear();
var drawSettings = CreateDrawRendererSettings(camera, SortFlags.CommonOpaque, rendererConfiguration, dynamicBatching);
context.DrawRenderers(cullResults.visibleRenderers, ref drawSettings, renderer.opaqueFilterSettings);
// Render objects that did not match any shader pass with error shader
RenderObjectsWithError(ref context, ref cullResults, camera, renderer.opaqueFilterSettings, SortFlags.None);
if (camera.clearFlags == CameraClearFlags.Skybox)
{
context.DrawSkybox(camera);
}
}
context.ExecuteCommandBuffer(cmd);
CommandBufferPool.Release(cmd);
}
void RenderOpaques(ref ScriptableRenderContext context, ref CullResults cullResults, ref CameraData cameraData, RendererConfiguration rendererConfiguration, bool dynamicBatching)
{
CommandBuffer cmd = CommandBufferPool.Get(k_RenderOpaquesTag);
using (new ProfilingSample(cmd, k_SetupRenderTargetTag))
{
Camera camera = cameraData.camera;
ClearFlag clearFlag = GetCameraClearFlag(camera);
SetRenderTarget(cmd, RenderBufferLoadAction.DontCare, RenderBufferStoreAction.Store, clearFlag, CoreUtils.ConvertSRGBToActiveColorSpace(camera.backgroundColor));
// If rendering to an intermediate RT we resolve viewport on blit due to offset not being supported
// while rendering to a RT.
if (colorAttachmentHandle == -1 && cameraData.isDefaultViewport)
{
cmd.SetViewport(camera.pixelRect);
}
context.ExecuteCommandBuffer(cmd);
cmd.Clear();
var drawSettings = CreateDrawRendererSettings(camera, SortFlags.CommonOpaque, rendererConfiguration, dynamicBatching);
context.DrawRenderers(cullResults.visibleRenderers, ref drawSettings, renderer.opaqueFilterSettings);
// Render objects that did not match any shader pass with error shader
RenderObjectsWithError(ref context, ref cullResults, camera, renderer.opaqueFilterSettings, SortFlags.None);
if (camera.clearFlags == CameraClearFlags.Skybox)
{
context.DrawSkybox(camera);
}
}
context.ExecuteCommandBuffer(cmd);
CommandBufferPool.Release(cmd);
}
void InitializeCameraData(Camera camera, out CameraData cameraData)
{
const float kRenderScaleThreshold = 0.05f;
cameraData.camera = camera;
bool msaaEnabled = camera.allowMSAA && pipelineAsset.msaaSampleCount > 1;
if (msaaEnabled)
{
cameraData.msaaSamples = (camera.targetTexture != null) ? camera.targetTexture.antiAliasing : pipelineAsset.msaaSampleCount;
}
else
{
cameraData.msaaSamples = 1;
}
cameraData.isSceneViewCamera = camera.cameraType == CameraType.SceneView;
cameraData.isOffscreenRender = camera.targetTexture != null && !cameraData.isSceneViewCamera;
cameraData.isStereoEnabled = IsStereoEnabled(camera);
cameraData.isHdrEnabled = camera.allowHDR && pipelineAsset.supportsHDR;
cameraData.postProcessLayer = camera.GetComponent <PostProcessLayer>();
cameraData.postProcessEnabled = cameraData.postProcessLayer != null && cameraData.postProcessLayer.isActiveAndEnabled;
// PostProcess for VR is not working atm. Disable it for now.
cameraData.postProcessEnabled &= !cameraData.isStereoEnabled;
Rect cameraRect = camera.rect;
cameraData.isDefaultViewport = (!(Math.Abs(cameraRect.x) > 0.0f || Math.Abs(cameraRect.y) > 0.0f ||
Math.Abs(cameraRect.width) < 1.0f || Math.Abs(cameraRect.height) < 1.0f));
// Discard variations lesser than kRenderScaleThreshold.
// Scale is only enabled for gameview.
// In XR mode, grab renderScale from XRSettings instead of SRP asset for now.
// This is just a temporary change pending full integration of XR with SRP
if (camera.cameraType == CameraType.Game)
{
#if !UNITY_SWITCH
if (cameraData.isStereoEnabled)
{
cameraData.renderScale = XRSettings.eyeTextureResolutionScale;
}
else
#endif
{
cameraData.renderScale = pipelineAsset.renderScale;
}
}
else
{
cameraData.renderScale = 1.0f;
}
cameraData.renderScale = (Mathf.Abs(1.0f - cameraData.renderScale) < kRenderScaleThreshold) ? 1.0f : cameraData.renderScale;
cameraData.requiresDepthTexture = pipelineAsset.supportsCameraDepthTexture || cameraData.isSceneViewCamera;
cameraData.requiresSoftParticles = pipelineAsset.supportsSoftParticles;
cameraData.requiresOpaqueTexture = pipelineAsset.supportsCameraOpaqueTexture;
cameraData.opaqueTextureDownsampling = pipelineAsset.opaqueDownsampling;
bool anyShadowsEnabled = pipelineAsset.supportsDirectionalShadows || pipelineAsset.supportsLocalShadows;
cameraData.maxShadowDistance = (anyShadowsEnabled) ? pipelineAsset.shadowDistance : 0.0f;
LightweightAdditionalCameraData additionalCameraData = camera.gameObject.GetComponent <LightweightAdditionalCameraData>();
if (additionalCameraData != null)
{
cameraData.maxShadowDistance = (additionalCameraData.renderShadows) ? cameraData.maxShadowDistance : 0.0f;
cameraData.requiresDepthTexture &= additionalCameraData.requiresDepthTexture;
cameraData.requiresOpaqueTexture &= additionalCameraData.requiresColorTexture;
}
else if (!cameraData.isSceneViewCamera && camera.cameraType != CameraType.Reflection && camera.cameraType != CameraType.Preview)
{
cameraData.requiresDepthTexture = false;
cameraData.requiresOpaqueTexture = false;
}
cameraData.requiresDepthTexture |= cameraData.postProcessEnabled;
}
public void RenderPostProcess(CommandBuffer cmd, ref CameraData cameraData, RenderTextureFormat colorFormat, RenderTargetIdentifier source, RenderTargetIdentifier dest, bool opaqueOnly)
{
RenderPostProcess(cmd, ref cameraData, colorFormat, source, dest, opaqueOnly, !cameraData.isStereoEnabled && cameraData.camera.targetTexture == null);
}
void SetupPerCameraShaderConstants(CameraData cameraData)
{
float cameraWidth = (float)cameraData.camera.pixelWidth * cameraData.renderScale;
float cameraHeight = (float)cameraData.camera.pixelWidth * cameraData.renderScale;
Shader.SetGlobalVector(PerCameraBuffer._ScaledScreenParams, new Vector4(cameraWidth, cameraHeight, 1.0f + 1.0f / cameraWidth, 1.0f + 1.0f / cameraHeight));
}
