帧策略展示优化

render_2D/render_2D/base/Frame_2D.cpp

@@ -11,11 +11,12 @@ Frame_2D::Frame_2D(Frame_Identity identity, Pixel_Format output_format)
     begin(identity, output_format);
 }
 void Frame_2D::begin(Frame_Identity identity, Pixel_Format output_format,
-                     Frame_Request_Source source) {
+                     Frame_Request_Source source,
+                     const Frame_Policy::State& frame_policy) {
     if (std::ranges::find(supported_pixel_formats, output_format) ==
         supported_pixel_formats.end())
         throw std::invalid_argument("Frame_2D output pixel format is unsupported");
-    Render_Frame::begin(identity, source);
+    Render_Frame::begin(identity, source, frame_policy);
     d->output_format = output_format;
 }
 Frame_2D::~Frame_2D() = default;

render_2D/render_2D/base/Frame_2D.hpp

@@ -24,7 +24,8 @@ public:
     /* 保留二维后端图像分配，只重启物理槽承载的新逻辑帧。 */
     void begin(Frame_Identity identity,
                Pixel_Format output_format = native_pixel_format,
-               Frame_Request_Source source = Frame_Request_Source::unspecified);
+               Frame_Request_Source source = Frame_Request_Source::unspecified,
+               const Frame_Policy::State& frame_policy = {});
     [[nodiscard]] Pixel_Format output_format() const noexcept;
     [[nodiscard]] Image_View image() const;
     /* 按本帧声明的输出格式生成连续像素；原生格式只做必要的行打包。 */