Shaders

src/GameManager.js

@@ -13,7 +13,8 @@ class EJS_GameManager {
             getCoreOptions: this.Module.cwrap('get_core_options', 'string', []),
             setVariable: this.Module.cwrap('set_variable', 'null', ['string', 'string']),
             setCheat: this.Module.cwrap('set_cheat', 'null', ['number', 'number', 'string']),
-            resetCheat: this.Module.cwrap('reset_cheat', 'null', [])
+            resetCheat: this.Module.cwrap('reset_cheat', 'null', []),
+            toggleShader: this.Module.cwrap('shader_enable', 'null', ['number'])
         }
         this.mkdir("/home");
         this.mkdir("/home/web_user");
@@ -21,6 +22,8 @@ class EJS_GameManager {
         this.mkdir("/home/web_user/retroarch/userdata");
         
         this.FS.writeFile("/home/web_user/retroarch/userdata/retroarch.cfg", this.getRetroArchCfg());
+        
+        this.initShaders();
     }
     mkdir(path) {
         try {
@@ -30,6 +33,13 @@ class EJS_GameManager {
     getRetroArchCfg() {
         return "\naudio_latency: 256\n";
     }
+    initShaders() {
+        if (!window.EJS_SHADERS) return;
+        this.mkdir("/shader");
+        for (const shader in window.EJS_SHADERS) {
+            this.FS.writeFile('/shader/'+shader, window.EJS_SHADERS[shader]);
+        }
+    }
     restart() {
         this.functions.restart();
     }
@@ -109,6 +119,9 @@ class EJS_GameManager {
     resetCheat() {
         this.functions.resetCheat();
     }
+    toggleShader(active) {
+        this.functions.toggleShader(active);
+    }
 }
 
 window.EJS_GameManager = EJS_GameManager;

src/emulator.js

@@ -1523,6 +1523,18 @@ class EmulatorJS {
         };
     }
     menuOptionChanged(option, value) {
+        if (option === "shader") {
+            try {
+                this.Module.FS.unlink("/shader/shader.glslp");
+            } catch(e) {}
+            if (value === "disabled") {
+                this.gameManager.toggleShader(0);
+                return;
+            }
+            this.Module.FS.writeFile("/shader/shader.glslp", window.EJS_SHADERS[value]);
+            this.gameManager.toggleShader(1);
+            return;
+        }
         //console.log(option, value);
         this.gameManager.setVariable(option, value);
     }
@@ -1659,6 +1671,18 @@ class EmulatorJS {
             'hide': this.localization("hide")
         }, 'hide');
         
+        if (window.EJS_SHADERS) {
+            addToMenu(this.localization('Shaders'), 'shader', {
+                'disabled': "Disabled",
+                '2xScaleHQ.glslp': "2xScaleHQ",
+                '4xScaleHQ.glslp': "4xScaleHQ",
+                'crt-easymode.glslp': 'CRT easymode',
+                'crt-aperture.glslp': 'CRT aperture',
+                'crt-geom.glslp': 'CRT geom',
+                'crt-mattias.glslp': 'CRT mattias'
+            }, 'disabled');
+        }
+        
         this.settingsMenu.appendChild(nested);
         
         this.settingParent.appendChild(this.settingsMenu);

src/loader.js

@@ -36,6 +36,7 @@
     if (('undefined' != typeof EJS_DEBUG_XX && true === EJS_DEBUG_XX) || true) {
         await loadScript('emulator.js');
         await loadScript('nipplejs.js');
+        await loadScript('shaders.js');
         await loadScript('gamepad.js');
         await loadScript('GameManager.js');
         await loadStyle('css/main.css');