From 89282b017472ff9b79e2215f6a8b45a321f80139 Mon Sep 17 00:00:00 2001
From: Zane <1638944816@qq.com>
Date: Thu, 9 Oct 2025 20:47:44 +0800
Subject: [PATCH] =?UTF-8?q?=E5=85=AC=E5=8F=B8?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .obsidian/core-plugins.json                   |  6 +-
 1Project/图文合批/动态图集.md                 |  2 -
 1Project/图文合批/图文合批.md                 |  0
 .../Texture、Texture2D与RenderTexture.md      | 11 +++
 .../卡片/Texture、Texture2D与RenderTexture.md | 68 +++++++++++++++++++
 5 files changed, 83 insertions(+), 4 deletions(-)
 delete mode 100644 1Project/图文合批/动态图集.md
 delete mode 100644 1Project/图文合批/图文合批.md
 create mode 100644 2Areas/游戏开发/Texture、Texture2D与RenderTexture.md
 create mode 100644 3Resources/游戏开发/性能优化/卡片/Texture、Texture2D与RenderTexture.md

diff --git a/.obsidian/core-plugins.json b/.obsidian/core-plugins.json
index cf7c8a1..a59bef1 100644
--- a/.obsidian/core-plugins.json
+++ b/.obsidian/core-plugins.json
@@ -8,7 +8,7 @@
   "outgoing-link": true,
   "tag-pane": true,
   "page-preview": true,
-  "daily-notes": true,
+  "daily-notes": false,
   "templates": true,
   "note-composer": true,
   "command-palette": true,
@@ -28,5 +28,7 @@
   "sync": false,
   "properties": false,
   "bookmarks": true,
-  "webviewer": false
+  "webviewer": false,
+  "footnotes": false,
+  "bases": true
 }
\ No newline at end of file
diff --git a/1Project/图文合批/动态图集.md b/1Project/图文合批/动态图集.md
deleted file mode 100644
index 4a00a59..0000000
--- a/1Project/图文合批/动态图集.md
+++ /dev/null
@@ -1,2 +0,0 @@
-# 算法
-# 做法
diff --git a/1Project/图文合批/图文合批.md b/1Project/图文合批/图文合批.md
deleted file mode 100644
index e69de29..0000000
diff --git a/2Areas/游戏开发/Texture、Texture2D与RenderTexture.md b/2Areas/游戏开发/Texture、Texture2D与RenderTexture.md
new file mode 100644
index 0000000..44e3813
--- /dev/null
+++ b/2Areas/游戏开发/Texture、Texture2D与RenderTexture.md
@@ -0,0 +1,11 @@
+---
+tags:
+  - Texture
+  - Texture2D
+  - RenderTexture
+资源链接: "[[3Resources/游戏开发/性能优化/卡片/Texture、Texture2D与RenderTexture|Texture、Texture2D与RenderTexture]]"
+---
+简言：  
+`Texture` 是抽象基类；  
+`Texture2D` 是可读写的普通贴图；  
+`RenderTexture` 是可被渲染的动态纹理。
\ No newline at end of file
diff --git a/3Resources/游戏开发/性能优化/卡片/Texture、Texture2D与RenderTexture.md b/3Resources/游戏开发/性能优化/卡片/Texture、Texture2D与RenderTexture.md
new file mode 100644
index 0000000..46795ad
--- /dev/null
+++ b/3Resources/游戏开发/性能优化/卡片/Texture、Texture2D与RenderTexture.md
@@ -0,0 +1,68 @@
+---
+tags:
+  - Texture
+  - Texture2D
+  - RenderTexture
+---
+
+
+### Texture Texture2D RenderTexture
+三者关系与差别如下：
+
+---
+
+### 一、继承与本质关系
+
+|类型|基类|存储位置|用途|
+|---|---|---|---|
+|**Texture**|基类|GPU|所有纹理的抽象基类|
+|**Texture2D**|派生自 Texture|GPU|常规 2D 纹理，可读写像素|
+|**RenderTexture**|派生自 Texture|GPU|可作为渲染目标的纹理|
+
+---
+
+### 二、功能差异
+
+| 特性                   | Texture2D                               | RenderTexture                                |
+| -------------------- | --------------------------------------- | -------------------------------------------- |
+| 是否可被采样（用于材质）         | ✔                                       | ✔                                            |
+| 是否可写入（CPU端）          | ✔（`SetPixels`/`LoadRawTextureData`）     | ✖（仅GPU写）                                     |
+| 是否可作为渲染目标            | ✖                                       | ✔（Camera/Graphics.Blit可直接输出）                 |
+| 是否支持MipMap           | ✔                                       | ✔（可选）                                        |
+| 是否可用于ComputeShader读写 | 读可用（`Texture2D`）  <br>写需`RWTexture2D`绑定 | 读写都可（`RenderTexture.enableRandomWrite=true`） |
+| 是否可保存为文件             | ✔（`EncodeToPNG`/`ReadPixels`）           | 需先复制到`Texture2D`再保存                          |
+
+---
+
+### 三、常见交互流程
+
+1. **GPU渲染到RenderTexture → 读取像素到Texture2D：**
+    
+    ```CSharp
+    RenderTexture rt = new RenderTexture(512, 512, 0); Camera.main.targetTexture = rt; Camera.main.Render();  Texture2D tex = new Texture2D(512, 512, TextureFormat.RGBA32, false); RenderTexture.active = rt; tex.ReadPixels(new Rect(0, 0, 512, 512), 0, 0); tex.Apply(); RenderTexture.active = null;
+    ```
+    
+    此流程用于截图或生成贴图资产。
+    
+2. **Texture2D 复制内容到 RenderTexture：**
+    
+    `Graphics.Blit(texture2D, renderTexture);`
+    
+    仅在shader中使用时保留GPU端数据，不经CPU拷贝。
+    
+3. **RenderTexture 作为材质输入：**
+    
+    `material.SetTexture("_MainTex", renderTexture);`
+    
+
+---
+
+### 四、性能与使用建议
+
+- `Texture2D` 适合静态资源（贴图、UI图标、字体图集）。
+    
+- `RenderTexture` 适合动态生成（后期处理、离屏渲染、动态阴影、SDF生成）。
+    
+- CPU访问`RenderTexture`代价高，应尽量避免频繁`ReadPixels`。
+    
+- 若仅GPU间数据流转，用`RenderTexture`或`ComputeBuffer`，不要回读。
\ No newline at end of file