From d6818e881619b8b57f198745a0dabbd836759f31 Mon Sep 17 00:00:00 2001
From: xiangsilian <youmiss@163.com>
Date: Sun, 28 Sep 2025 22:20:28 +0800
Subject: [PATCH] =?UTF-8?q?=E5=AE=8C=E6=88=90?=
MIME-Version: 1.0
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---
 .../api/texture_loading/texture_loading.cpp   | 20 ++++++++----
 samples/api/texture_loading/texture_loading.h | 31 ++++++-------------
 2 files changed, 24 insertions(+), 27 deletions(-)

diff --git a/samples/api/texture_loading/texture_loading.cpp b/samples/api/texture_loading/texture_loading.cpp
index 5a90d33..15c0b58 100644
--- a/samples/api/texture_loading/texture_loading.cpp
+++ b/samples/api/texture_loading/texture_loading.cpp
@@ -572,7 +572,7 @@ void TextureLoading::build_command_buffers()
 
 		
 
-		draw_point_cloud(draw_cmd_buffers[i]);
+		//draw_point_cloud(draw_cmd_buffers[i]);
 		//draw_point_cloud_line(draw_cmd_buffers[i]);
 
 
@@ -582,7 +582,11 @@ void TextureLoading::build_command_buffers()
 		VkDeviceSize offsets[1] = { 0 };
 		vkCmdBindVertexBuffers(draw_cmd_buffers[i], 0, 1, vertex_buffer->get(), offsets);
 		vkCmdBindIndexBuffer(draw_cmd_buffers[i], index_buffer->get_handle(), 0, VK_INDEX_TYPE_UINT32);
-		vkCmdDrawIndexed(draw_cmd_buffers[i], index_count, 1, 0, 0, 0);
+
+		if (getCurrentTimeMillis() - last_update_time < 1000)
+		{
+			vkCmdDrawIndexed(draw_cmd_buffers[i], index_count, 1, 0, 0, 0);
+		}
 
 		//draw_ui(draw_cmd_buffers[i]);
 
@@ -692,7 +696,7 @@ bool TextureLoading::LoadOBJ(const std::string& filename,
 			float u, v;
 			iss >> u >> v;
 			temp_texcoords.push_back(u);
-			temp_texcoords.push_back(v);
+			temp_texcoords.push_back(1-v);
 		}
 		else if (type == "vn") { // 法线
 			float nx, ny, nz;
@@ -1659,6 +1663,8 @@ bool TextureLoading::prepare(const vkb::ApplicationOptions& options)
 		return false;
 	}
 
+	last_update_time = getCurrentTimeMillis();
+
 	myFloatValue = 1.5f;
 
 	// --- 加载前景纹理 (示例) ---
@@ -1692,9 +1698,9 @@ bool TextureLoading::prepare(const vkb::ApplicationOptions& options)
 	dataSize = lineImage.size();
 	processWithVulkan(lineImage.data(), width, height, rowStride, dataSize, texture_point_line);
 #ifdef _WIN32
-	const char* filename_test = "assets/test_trans.png";
+	const char* filename_test = "assets/DemoHeadBaseColor.png";
 #else
-	const char* filename_test = "/sdcard/Android/data/com.khronos.vulkan_samples/files/assets/test_trans.png";
+	const char* filename_test = "/sdcard/Android/data/com.khronos.vulkan_samples/files/assets/DemoHeadBaseColor.png";
 #endif // _WIN32
 
 	
@@ -1844,7 +1850,7 @@ void ReceiveFacePoint(float* pos, int pointCount, int width, int height)
 	//	}
 	//}
 	//debug_str += "]";
-
+	
 	TextureLoading* self = TextureLoading::Get();
 	if (self != nullptr)
 	{
@@ -1923,6 +1929,8 @@ void TextureLoading::extendPoint(float* pos, int start_id, int end_id, float rat
 
 void TextureLoading::update_face_vertex_buffer(float* pos, int pointCount)
 {
+	last_update_time = getCurrentTimeMillis();
+
 	extendPoint(pos, 68, 54);
 	extendPoint(pos, 104, 103);
 	extendPoint(pos, 69, 67);
diff --git a/samples/api/texture_loading/texture_loading.h b/samples/api/texture_loading/texture_loading.h
index 9e0bef6..27f499c 100644
--- a/samples/api/texture_loading/texture_loading.h
+++ b/samples/api/texture_loading/texture_loading.h
@@ -1,24 +1,4 @@
-/* Copyright (c) 2019-2024, Sascha Willems
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Licensed under the Apache License, Version 2.0 the "License";
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
- /*
-  * Texture loading (and display) example (including mip maps)
-  */
-
+
 #pragma once
 
 #include <ktx.h>
@@ -26,6 +6,8 @@
 #include "api_vulkan_sample.h"
 #include <thread>
 #include <mutex>
+#include <chrono>
+#include <ctime>
 
   // Vertex layout for this example
 struct TextureLoadingVertexStructure
@@ -220,6 +202,13 @@ private:
 	std::thread workerThread;
 	bool running = false;
 
+	long long getCurrentTimeMillis() {
+		auto now = std::chrono::system_clock::now();
+		auto duration = now.time_since_epoch();
+		return std::chrono::duration_cast<std::chrono::milliseconds>(duration).count();
+	}
+
+	long long last_update_time;
 public:
 	//void run();
 	//void start();