fix camera id

cocos/render-scene/scene/camera.ts

@@ -399,6 +399,8 @@ export const SKYBOX_FLAG = SkyBoxFlagValue.VALUE;
 
 const correctionMatrices: Mat4[] = [];
 
+let _cameraCount = 0;
+
 /**
  * @en The render camera representation in the render scene, it's managed by [[Camera]]
  * @zh 渲染场景中的相机对象，由项目层的 [[Camera]] 管理。
@@ -799,6 +801,11 @@ export class Camera {
         return this._matViewProjInv$;
     }
 
+    /** @engineInternal */
+    get cameraId (): number {
+        return this._cameraId$;
+    }
+
     /**
      * @en Whether the camera is fixed size or matching the window size.
      * @zh 相机是固定尺寸还是跟随屏幕尺寸
@@ -862,6 +869,7 @@ export class Camera {
     private _cameraType$: CameraType = CameraType.DEFAULT;
     private _trackingType$: TrackingType = TrackingType.NO_TRACKING;
     private _usage$: CameraUsage = CameraUsage.GAME;
+    private _cameraId$ = _cameraCount++;
 
     constructor (device: Device) {
         this._device$ = device;

cocos/rendering/custom/define.ts

@@ -120,13 +120,8 @@ export function validPunctualLightsCulling (pipeline: BasicPipeline, camera: Cam
     sceneData.validPunctualLights = validPunctualLights;
 }
 
-const _cameras: Camera[] = [];
-
 export function getCameraUniqueID (camera: Camera): number {
-    if (!_cameras.includes(camera)) {
-        _cameras.push(camera);
-    }
-    return _cameras.indexOf(camera);
+    return camera.cameraId;
 }
 
 export function getLoadOpOfClearFlag (clearFlag: ClearFlagBit, attachment: AttachmentType): LoadOp {

native/cocos/scene/Camera.cpp

@@ -57,6 +57,8 @@ constexpr ccstd::array<ccstd::array<float, 4>, 4> PRE_TRANSFORMS = {{
     {{0, -1, 1, 0}}   // SurfaceTransform.ROTATE_270
 }};
 
+std::atomic<uint32_t> sCameraId{0};
+
 } // namespace
 
 const ccstd::vector<float> Camera::FSTOPS{1.8F, 2.0F, 2.2F, 2.5F, 2.8F, 3.2F, 3.5F, 4.0F, 4.5F, 5.0F, 5.6F, 6.3F, 7.1F, 8.0F, 9.0F, 10.0F, 11.0F, 13.0F, 14.0F, 16.0F, 18.0F, 20.0F, 22.0F};
@@ -65,7 +67,8 @@ const ccstd::vector<float> Camera::SHUTTERS{1.0F, 1.0F / 2.0F, 1.0F / 4.0F, 1.0F
 const ccstd::vector<float> Camera::ISOS{100.0F, 200.0F, 400.0F, 800.0F};
 
 Camera::Camera(gfx::Device *device)
-: _device(device) {
+: _device(device)
+, _cameraId(sCameraId++) {
     _apertureValue = Camera::FSTOPS.at(static_cast<int>(_aperture));
     _shutterValue = Camera::SHUTTERS.at(static_cast<int>(_shutter));
     _isoValue = Camera::ISOS[static_cast<int>(_iso)];

native/cocos/scene/Camera.h

@@ -181,6 +181,7 @@ class Camera : public RefCounted {
     void syncCameraEditor(const Camera *camera);
     void update(bool forceUpdate = false); // for lazy eval situations like the in-editor preview
     void changeTargetWindow(RenderWindow *window);
+    uint32_t getCameraId() const noexcept { return _cameraId; }
 
     /**
      * transform a screen position (in oriented space) to a world space ray
@@ -419,6 +420,7 @@ class Camera : public RefCounted {
     CameraType _cameraType{CameraType::DEFAULT};
     TrackingType _trackingType{TrackingType::NO_TRACKING};
     CameraUsage _usage{CameraUsage::GAME};
+    uint32_t _cameraId{0};
 
 #if CC_USE_GEOMETRY_RENDERER
     IntrusivePtr<pipeline::GeometryRenderer> _geometryRenderer;

native/tools/swig-config/scene.i

@@ -452,6 +452,7 @@ using namespace cc;
 %attribute(cc::scene::Camera, cc::scene::CameraUsage, cameraUsage, getCameraUsage, setCameraUsage);
 %attribute(cc::scene::Camera, cc::scene::TrackingType, trackingType, getTrackingType, setTrackingType);
 %attribute(cc::scene::Camera, cc::scene::CameraType, cameraType, getCameraType, setCameraType);
+%attribute(cc::scene::Camera, uint32_t, cameraId, getCameraId);
 
 %attribute(cc::scene::RenderScene, ccstd::string&, name, getName);
 %attribute(cc::scene::RenderScene, ccstd::vector<cc::IntrusivePtr<cc::scene::Camera>>&, cameras, getCameras);