+ /**
+ * @brief Retrieves program parameters
+ *
+ * This function can be used to retrieve data from internal implementation
+ *
+ * @param[in] program Valid program object
+ * @param[in] parameterId Integer parameter id
+ * @param[out] outData Pointer to output memory
+ * @return True on success
+ */
+ bool GetProgramParameter(Graphics::Program& program, uint32_t parameterId, void* outData) override;
+
+public: // ResourceId relative API.
+ /**
+ * @brief Create Graphics::Texture as resourceId.
+ * The ownership of Graphics::Texture will be hold on this controller.
+ * @note If some Graphics::Texture already created before, assert.
+ * @post DiscardTextureFromResourceId() or ReleaseTextureFromResourceId() should be called when we don't use resourceId texture anymore.
+ *
+ * @param[in] resourceId The unique id of resouces.
+ * @return Pointer of Graphics::Texture, or nullptr if we fail to create.
+ */
+ Graphics::Texture* CreateTextureByResourceId(uint32_t resourceId, const Graphics::TextureCreateInfo& createInfo) override;
+
+ /**
+ * @brief Discard Graphics::Texture as resourceId.
+ *
+ * @param[in] resourceId The unique id of resouces.
+ */
+ void DiscardTextureFromResourceId(uint32_t resourceId) override;
+
+ /**
+ * @brief Get the Graphics::Texture as resourceId.
+ *
+ * @param[in] resourceId The unique id of resouces.
+ * @return Pointer of Graphics::Texture, or nullptr if there is no valid objects.
+ */
+ Graphics::Texture* GetTextureFromResourceId(uint32_t resourceId) override;
+
+ /**
+ * @brief Get the ownership of Graphics::Texture as resourceId.
+ *
+ * @param[in] resourceId The unique id of resouces.
+ * @return Pointer of Graphics::Texture.
+ */
+ Graphics::UniquePtr<Graphics::Texture> ReleaseTextureFromResourceId(uint32_t resourceId) override;
+