textture 和 program 缓存

src/render/webgl/WebGLProgramCache.ts

@@ -0,0 +1,60 @@
+import { GLProgram } from "./WebGLProgram";
+import { Dictionary } from "../ds/Dictionary";
+
+export class GLProgramCache {
+    /**
+     * @var 单例
+     */
+    public static readonly instance: GLProgramCache = new GLProgramCache();
+
+    /**
+     * @var 字典
+     */
+    private _dict: Dictionary<GLProgram>;
+
+    private constructor() {
+        this._dict = new Dictionary<GLProgram>();
+    }
+
+    /**
+     * 添加program
+     * @param key 
+     * @param value 
+     */
+    public set(key: string, value: GLProgram) {
+        this._dict.insert(key, value);
+    }
+
+    /**
+     * 获取program不验证
+     * @param key 
+     * @returns 
+     */
+    public getMaybe(key: string): GLProgram | undefined {
+        let ret: GLProgram | undefined = this._dict.find(key);
+        return ret;
+    }
+
+    /**
+     * 获取program
+     * @param key 
+     * @returns 
+     */
+    public getMust(key: string): GLProgram {
+        let ret: GLProgram | undefined = this._dict.find(key);
+        if (ret === undefined) {
+            throw new Error(key + " is not exist.");
+        }
+        return ret;
+    }
+
+    /**
+     * 删除program
+     * @param key 
+     * @returns 
+     */
+    public remove(key: string): boolean {
+        return this._dict.remove(key);
+    }
+
+}

src/render/webgl/WebGLTextureCache.ts

@@ -0,0 +1,57 @@
+import { GLTexture } from "./WebGLTexture";
+import { Dictionary } from "../ds/Dictionary";
+
+export class GLtextureCache {
+    /**
+     * @var 单例
+     */
+    public static readonly instance: GLtextureCache = new GLtextureCache();
+
+    /**
+     * @var 字典
+     */
+    private _dict: Dictionary<GLTexture>;
+
+    private constructor() {
+        this._dict = new Dictionary<GLTexture>();
+    }
+
+    /**
+     * 添加贴图
+     * @param key 
+     * @param value 
+     */
+    public set(key: string, value: GLTexture) {
+        this._dict.insert(key, value);
+    }
+
+    /**
+     * 获取贴图，不作检测
+     * @param key 
+     */
+    public getMaybe(key: string): GLTexture | undefined {
+        let ret: GLTexture | undefined = this._dict.find(key);
+        return ret;
+    }
+
+    /**
+     * 获取贴图，作检测
+     * @param key 
+     */
+    public getMust(key: string): GLTexture {
+        let ret: GLTexture | undefined = this._dict.find(key);
+        if (ret === undefined) {
+            throw new Error(key + " is not exist.");
+        }
+        return ret;
+    }
+
+    /**
+     * 删除贴图
+     * @param key 
+     * @returns 
+     */
+    public remove(key: string) {
+        return this._dict.remove(key);
+    }
+}