修改底层渲染为OpenGL

source/EngineFrame/Component/Canvas.h

@@ -0,0 +1,23 @@
+#pragma once
+#include "EngineFrame/Actor/Actor.h"
+#include "EngineFrame/Render/Texture.h"
+#include "EngineFrame/Component/Sprite.h"
+class Canvas : public Actor
+{
+private:
+    /**纹理 */
+    RefPtr<Texture> m_texture = nullptr;
+    /**精灵 */
+    RefPtr<Sprite> m_sprite = nullptr;
+    /**脏标记 */
+    bool m_dirty = true;
+    /**FBO */
+    GLuint m_fbo = 0;
+
+public:
+    Canvas(VecSize size);
+
+    void PreRender() override;
+    void Render() override;
+    void AddChild(RefPtr<BaseNode> child) override;
+};