private void ExecutePlanarReflections(ScriptableRenderContext context, Camera camera)
{
// we dont want to render planar reflections in reflections or previews
if (camera.cameraType == CameraType.Reflection || camera.cameraType == CameraType.Preview)
{
return;
}
UpdateReflectionCamera(camera); // create reflected camera
PlanarReflectionTexture(camera); // create and assign RenderTexture
var data = new PlanarReflectionSettingData(); // save quality settings and lower them for the planar reflections
data.Set(); // set quality settings
BeginPlanarReflections?.Invoke(context, _reflectionCamera); // callback Action for PlanarReflection
UniversalRenderPipeline.RenderSingleCamera(context, _reflectionCamera); // render planar reflections
data.Restore(); // restore the quality settings
Shader.SetGlobalTexture(_planarReflectionTextureId, _reflectionTexture); // Assign texture to water shader
}
/// <summary>
/// Set RenderBuffer for camera;
/// </summary>
private void RefreshRenderBufferForSingleCamera(ScriptableRenderContext context, ref RenderingData renderingData,
ref CameraData cameraData, out bool requiresDepthPrepass, out bool createDepthTexture)
{
Camera camera = renderingData.cameraData.camera;
RenderTextureDescriptor cameraTargetDescriptor = renderingData.cameraData.cameraTargetDescriptor;
bool applyPostProcessing = cameraData.postProcessEnabled;
bool isSceneViewCamera = cameraData.isSceneViewCamera;
bool isPreviewCamera = cameraData.isPreviewCamera;
bool requiresDepthTexture = cameraData.requiresDepthTexture;
bool isStereoEnabled = cameraData.isStereoEnabled;
// Depth prepass is generated in the following cases:
// - If game or offscreen camera requires it we check if we can copy the depth from the rendering opaques pass and use that instead.
// - Scene or preview cameras always require a depth texture. We do a depth pre-pass to simplify it and it shouldn't matter much for editor.
requiresDepthPrepass = requiresDepthTexture && !CanCopyDepth(ref renderingData.cameraData);
requiresDepthPrepass |= isSceneViewCamera;
requiresDepthPrepass |= isPreviewCamera;
// The copying of depth should normally happen after rendering opaques.
// But if we only require it for post processing or the scene camera then we do it after rendering transparent objects
m_CopyDepthPass.renderPassEvent = (!requiresDepthTexture && (applyPostProcessing || isSceneViewCamera)) ?
RenderPassEvent.AfterRenderingTransparents : RenderPassEvent.AfterRenderingOpaques;
// TODO: CopyDepth pass is disabled in XR due to required work to handle camera matrices in URP.
// IF this condition is removed make sure the CopyDepthPass.cs is working properly on all XR modes. This requires PureXR SDK integration.
if (isStereoEnabled && requiresDepthTexture)
{
requiresDepthPrepass = true;
}
bool isRunningHololens = false;
#if ENABLE_VR && ENABLE_VR_MODULE
isRunningHololens = UniversalRenderPipeline.IsRunningHololens(camera);
#endif
bool createColorTexture = RequiresIntermediateColorTexture(ref cameraData);
createColorTexture |= (rendererFeatures.Count != 0 && !isRunningHololens);
createColorTexture &= !isPreviewCamera;
// 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.
createDepthTexture = cameraData.requiresDepthTexture && !requiresDepthPrepass;
createDepthTexture |= (cameraData.renderType == CameraRenderType.Base && !cameraData.resolveFinalTarget);
#if UNITY_ANDROID || UNITY_WEBGL
if (SystemInfo.graphicsDeviceType != GraphicsDeviceType.Vulkan)
{
// GLES can not use render texture's depth buffer with the color buffer of the backbuffer
// in such case we create a color texture for it too.
createColorTexture |= createDepthTexture;
}
#endif
// Configure all settings require to start a new camera stack (base camera only)
if (cameraData.renderType == CameraRenderType.Base)
{
m_ActiveCameraColorAttachment = (createColorTexture) ? m_CameraColorAttachment : RenderTargetHandle.CameraTarget;
m_ActiveCameraDepthAttachment = (createDepthTexture) ? m_CameraDepthAttachment : RenderTargetHandle.CameraTarget;
bool intermediateRenderTexture = createColorTexture || createDepthTexture;
// Doesn't create texture for Overlay cameras as they are already overlaying on top of created textures.
bool createTextures = intermediateRenderTexture;
if (createTextures)
{
CreateCameraRenderTarget(context, ref renderingData.cameraData);
}
// if rendering to intermediate render texture we don't have to create msaa backbuffer
int backbufferMsaaSamples = (intermediateRenderTexture) ? 1 : cameraTargetDescriptor.msaaSamples;
if (Camera.main == camera && camera.cameraType == CameraType.Game && cameraData.targetTexture == null)
{
SetupBackbufferFormat(backbufferMsaaSamples, isStereoEnabled);
}
}
else
{
if (m_SplitUICameraAndSceneCameraRenderer)
{
RefreshCameraColorAttachment(context, ref renderingData.cameraData);
}
else
{
m_ActiveCameraColorAttachment = m_CameraColorAttachment;
m_ActiveCameraDepthAttachment = m_CameraDepthAttachment;
}
}
ConfigureCameraTarget(m_ActiveCameraColorAttachment.Identifier(), m_ActiveCameraDepthAttachment.Identifier());
}