private Camera CreateMirrorObjects(Camera currentCamera)
{
LightweightRenderPipelineAsset lwAsset = (LightweightRenderPipelineAsset)GraphicsSettings.renderPipelineAsset;
var resMulti = lwAsset.renderScale * GetScaleValue();
m_TextureSize.x = (int)Mathf.Pow(2, Mathf.RoundToInt(Mathf.Log(currentCamera.pixelWidth * resMulti, 2)));
m_TextureSize.y = (int)Mathf.Pow(2, Mathf.RoundToInt(Mathf.Log(currentCamera.pixelHeight * resMulti, 2)));
// Reflection render texture
if (Int2Compare(m_TextureSize, m_OldReflectionTextureSize) || !m_ReflectionTexture)
{
if (m_ReflectionTexture)
{
DestroyImmediate(m_ReflectionTexture);
}
m_ReflectionTexture = new RenderTexture(m_TextureSize.x, m_TextureSize.y, 16,
currentCamera.allowHDR ? RenderTextureFormat.DefaultHDR : RenderTextureFormat.Default);
m_ReflectionTexture.useMipMap = m_ReflectionTexture.autoGenerateMips = false;
m_ReflectionTexture.autoGenerateMips = false; // no need for mips(unless wanting cheap roughness)
m_ReflectionTexture.name = "_PlanarReflection" + GetInstanceID();
m_ReflectionTexture.isPowerOfTwo = true;
m_ReflectionTexture.hideFlags = HideFlags.DontSave;
m_OldReflectionTextureSize = m_TextureSize;
}
m_ReflectionTexture.DiscardContents();
GameObject go =
new GameObject("Planar Refl Camera id" + GetInstanceID() + " for " + currentCamera.GetInstanceID(),
typeof(Camera), typeof(Skybox));
LWRPAdditionalCameraData lwrpCamData =
go.AddComponent(typeof(LWRPAdditionalCameraData)) as LWRPAdditionalCameraData;
lwrpCamData.renderShadows = false; // turn off shadows for the reflection camera
var reflectionCamera = go.GetComponent <Camera>();
reflectionCamera.transform.SetPositionAndRotation(transform.position, transform.rotation);
reflectionCamera.targetTexture = m_ReflectionTexture;
reflectionCamera.allowMSAA = true;
reflectionCamera.depth = -10;
reflectionCamera.enabled = false;
go.hideFlags = HideFlags.HideAndDontSave;
Shader.SetGlobalTexture("_PlanarReflectionTexture", m_ReflectionTexture);
return(reflectionCamera);
}
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.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 = XRGraphics.enabled ? XRGraphics.eyeTextureResolutionScale : settings.renderScale;
cameraData.renderScale = (Mathf.Abs(1.0f - usedRenderScale) < kRenderScaleThreshold) ? 1.0f : usedRenderScale;
cameraData.renderScale = (camera.cameraType == CameraType.Game) ? cameraData.renderScale : 1.0f;
cameraData.opaqueTextureDownsampling = settings.opaqueDownsampling;
bool anyShadowsEnabled = settings.supportsMainLightShadows || settings.supportsAdditionalLightShadows;
cameraData.maxShadowDistance = (anyShadowsEnabled) ? settings.shadowDistance : 0.0f;
LWRPAdditionalCameraData additionalCameraData = camera.gameObject.GetComponent <LWRPAdditionalCameraData>();
if (additionalCameraData != null)
{
cameraData.maxShadowDistance = (additionalCameraData.renderShadows) ? cameraData.maxShadowDistance : 0.0f;
cameraData.requiresDepthTexture = additionalCameraData.requiresDepthTexture;
cameraData.requiresOpaqueTexture = additionalCameraData.requiresColorTexture;
}
else
{
cameraData.requiresDepthTexture = settings.supportsCameraDepthTexture;
cameraData.requiresOpaqueTexture = settings.supportsCameraOpaqueTexture;
}
cameraData.requiresDepthTexture |= cameraData.isSceneViewCamera || cameraData.postProcessEnabled;
var commonOpaqueFlags = SortingCriteria.CommonOpaque;
var noFrontToBackOpaqueFlags = SortingCriteria.SortingLayer | SortingCriteria.RenderQueue | SortingCriteria.OptimizeStateChanges | SortingCriteria.CanvasOrder;
bool hasHSRGPU = SystemInfo.hasHiddenSurfaceRemovalOnGPU;
bool canSkipFrontToBackSorting = (camera.opaqueSortMode == OpaqueSortMode.Default && hasHSRGPU) || camera.opaqueSortMode == OpaqueSortMode.NoDistanceSort;
cameraData.defaultOpaqueSortFlags = canSkipFrontToBackSorting ? noFrontToBackOpaqueFlags : commonOpaqueFlags;
}
