Add more improvements

src/graphics/graphics-library/frame-buffer/default-frame-buffer.ts

@@ -1,8 +1,8 @@
 import { FrameBuffer } from './frame-buffer';
 
 export class DefaultFrameBuffer extends FrameBuffer {
-  constructor(gl: WebGL2RenderingContext) {
-    super(gl);
+  constructor(gl: WebGL2RenderingContext, enableHighDpiRendering: boolean) {
+    super(gl, enableHighDpiRendering);
     this.frameBuffer = null;
     this.setSize();
   }

src/graphics/graphics-library/frame-buffer/frame-buffer.ts

@@ -1,16 +1,17 @@
 import { vec2 } from 'gl-matrix';
-import { settings } from '../../settings';
 
 export abstract class FrameBuffer {
   public renderScale = 1;
-  public enableHighDpiRendering = settings.enableHighDpiRendering;
 
   protected size = vec2.create();
 
   // null means the default framebuffer
   protected frameBuffer: WebGLFramebuffer | null = null;
 
-  constructor(protected gl: WebGL2RenderingContext) {}
+  constructor(
+    protected gl: WebGL2RenderingContext,
+    private enableHighDpiRendering: boolean
+  ) {}
 
   public bindAndClear(colorInput?: WebGLTexture) {
     this.gl.bindFramebuffer(this.gl.FRAMEBUFFER, this.frameBuffer);

src/graphics/graphics-library/frame-buffer/intermediate-frame-buffer.ts

@@ -5,8 +5,8 @@ export class IntermediateFrameBuffer extends FrameBuffer {
   private frameTexture: WebGLTexture;
   private floatLinearEnabled = false;
 
-  constructor(gl: WebGL2RenderingContext) {
-    super(gl);
+  constructor(gl: WebGL2RenderingContext, enableHighDpiRendering: boolean) {
+    super(gl, enableHighDpiRendering);
 
     enableExtension(gl, 'EXT_color_buffer_float');
 
@@ -17,18 +17,12 @@ export class IntermediateFrameBuffer extends FrameBuffer {
       // it's okay
     }
 
-    const texture = this.gl.createTexture();
-    if (!texture) {
-      throw new Error('Could not create texture');
-    }
-    this.frameTexture = texture;
+    // can only return null on lost context
+    this.frameTexture = this.gl.createTexture()!;
     this.configureTexture();
 
-    const frameBuffer = this.gl.createFramebuffer();
-    if (!frameBuffer) {
-      throw new Error('Could not create frame buffer');
-    }
-    this.frameBuffer = frameBuffer;
+    // can only return null on lost context
+    this.frameBuffer = this.gl.createFramebuffer()!;
     this.configureFrameBuffer();
 
     this.setSize();