static RenderTextureDescriptor CreateRenderTextureDescriptor(Camera camera, float renderScale,
bool isStereoEnabled, bool isHdrEnabled, int msaaSamples, HDRFormat hdrInputFormat)
{
RenderTextureDescriptor desc;
RenderTextureFormat renderTextureFormatDefault = RenderTextureFormat.Default;
if (isStereoEnabled)
{
desc = XRGraphics.eyeTextureDesc;
renderTextureFormatDefault = desc.colorFormat;
}
else
{
desc = new RenderTextureDescriptor(camera.pixelWidth, camera.pixelHeight);
desc.width = (int)((float)desc.width * renderScale);
desc.height = (int)((float)desc.height * renderScale);
}
// TODO: when preserve framebuffer alpha is enabled we can't use RGB111110Float format.
bool useRGB111110 = Application.isMobilePlatform &&
SystemInfo.SupportsRenderTextureFormat(RenderTextureFormat.RGB111110Float);
RenderTextureFormat hdrFormat = hdrInputFormat == HDRFormat.FP16? RenderTextureFormat.ARGBHalf : RenderTextureFormat.RGB111110Float;
desc.colorFormat = isHdrEnabled ? hdrFormat : renderTextureFormatDefault;
desc.depthBufferBits = 32;
desc.enableRandomWrite = false;
desc.sRGB = (QualitySettings.activeColorSpace == ColorSpace.Linear);
desc.msaaSamples = msaaSamples;
desc.bindMS = false;
desc.useDynamicScale = camera.allowDynamicResolution;
return(desc);
}
public static void InitializeCameraData(LightweightRenderPipelineAsset settings, Camera camera, LWRPAdditionalCameraData additionalCameraData, out CameraData cameraData)
{
const float kRenderScaleThreshold = 0.05f;
cameraData.camera = camera;
int msaaSamples = 1;
if (camera.allowMSAA && settings.msaaSampleCount > 1)
{
msaaSamples = (camera.targetTexture != null) ? camera.targetTexture.antiAliasing : settings.msaaSampleCount;
}
if (Camera.main == camera && camera.cameraType == CameraType.Game && camera.targetTexture == null)
{
// There's no exposed API to control how a backbuffer is created with MSAA
// By settings antiAliasing we match what the amount of samples in camera data with backbuffer
// We only do this for the main camera and this only takes effect in the beginning of next frame.
// This settings should not be changed on a frame basis so that's fine.
QualitySettings.antiAliasing = msaaSamples;
}
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;
// Disables postprocessing in mobile VR. It's stable on mobile yet.
if (cameraData.isStereoEnabled && Application.isMobilePlatform)
{
cameraData.postProcessEnabled = false;
}
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;
bool anyShadowsEnabled = settings.supportsMainLightShadows || settings.supportsAdditionalLightShadows;
cameraData.maxShadowDistance = (anyShadowsEnabled) ? settings.shadowDistance : 0.0f;
HDRFormat hdrFormat = settings.HDRFormatSetting;
if (additionalCameraData != null)
{
cameraData.maxShadowDistance = (additionalCameraData.renderShadows) ? cameraData.maxShadowDistance : 0.0f;
cameraData.requiresDepthTexture = additionalCameraData.requiresDepthTexture;
cameraData.requiresOpaqueTexture = additionalCameraData.requiresColorTexture;
if (additionalCameraData.HDROption == HDROverrideOption.FP16)
{
hdrFormat = HDRFormat.FP16;
}
else if (additionalCameraData.HDROption == HDROverrideOption.RGB111110)
{
hdrFormat = HDRFormat.RGB111110;
}
}
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;
cameraData.captureActions = CameraCaptureBridge.GetCaptureActions(camera);
cameraData.cameraTargetDescriptor = CreateRenderTextureDescriptor(camera, cameraData.renderScale,
cameraData.isStereoEnabled, cameraData.isHdrEnabled, msaaSamples, hdrFormat);
}
