新增交换链创建功能

src/window/window.cpp

@@ -2,7 +2,10 @@
 
 #include <SDL3/SDL_vulkan.h>
 
+#include <utility>
+
 #include "core/logger.h"
+#include "gpu_resource/swapchain.h"
 #include "render/vulkan_context.h"
 
 namespace mirai {
@@ -42,7 +45,15 @@ namespace mirai {
 	}
 
 	void window::update(duration_ms delta_time) {
-
+		if (closing_) {
+			return;
+		}
+		if (need_rebuild_swapchain()) {
+			auto result = rebuild_swapchain();
+			if (!result) {
+				MIRAI_LOG_ERROR("窗口 {} 交换链重建失败: {}", get_window_title(), result.error().full_description());
+			}
+		}
 	}
 
 	void window::show_window(bool show) {
@@ -70,20 +81,58 @@ namespace mirai {
 	vec2i window::get_pos() const {
 		int x, y;
 		if (!SDL_GetWindowPosition(window_, &x, &y)) {
-			MIRAI_LOG_ERROR("SDL_GetWindowPosition failed: %s", SDL_GetError());
+			MIRAI_LOG_ERROR("SDL_GetWindowPosition 失败: {}", SDL_GetError());
 			x = 0;
 			y = 0;
 		}
 		return vec2i{x, y};
 	}
 
+	vec2i window::get_framebuffer_size() const {
+		int width, height;
+		if (!SDL_GetWindowSizeInPixels(window_, &width, &height)) {
+			MIRAI_LOG_ERROR("SDL_Vulkan_GetDrawableSize 失败: {}", SDL_GetError());
+			width = 0;
+			height = 0;
+		}
+		return vec2i{width, height};
+	}
+
+	vec2i window::get_window_size() const {
+		int width, height;
+		if (!SDL_GetWindowSize(window_, &width, &height)) {
+			MIRAI_LOG_ERROR("SDL_GetWindowSize 失败: {}", SDL_GetError());
+			width = 0;
+			height = 0;
+		}
+		return vec2i{width, height};
+	}
+
+	bool window::need_rebuild_swapchain() const {
+		if (!swapchain_)
+			return true;
+		return false;
+	}
+
+	void_result_t window::rebuild_swapchain(bool hdr_enabled, vec2i new_extent) {
+		swapchain_create_info info{};
+		info.surface = surface_;
+		info.hdr_enabled = hdr_enabled;
+		info.initial_extent = std::move(new_extent);
+		swapchain_ = make_obj<swapchain>(info);
+		if (!swapchain_) {
+			return MAKE_ERROR_INFO(error_code::swapchain_creation_failed, "交换链创建失败");
+		}
+		return {};
+	}
+
 	void window::on_created() {
 		object::on_created();
-
 	}
 
 	void window::on_destroying() {
 		object::on_destroying();
+		swapchain_.reset();
 		MIRAI_LOG_INFO("窗口 {} 销毁", get_window_title());
 		SDL_Vulkan_DestroySurface(vulkan_context::get().get_vk_instance(), surface_, nullptr);
 		SDL_DestroyWindow(window_);