GraphicsDevice properties refactor

src/deprecated/deprecated.js

@@ -435,6 +435,10 @@ Object.keys(deprecatedChunks).forEach((chunkName) => {
     });
 });
 
+VertexFormat.prototype.update = function () {
+    Debug.deprecated('pc.VertexFormat.update is deprecated, and VertexFormat cannot be changed after it has been created.');
+};
+
 Object.defineProperties(Texture.prototype, {
     rgbm: {
         get: function () {

src/graphics/graphics-device.js

@@ -1,4 +1,18 @@
 import { EventHandler } from '../core/event-handler.js';
+import { platform } from '../core/platform.js';
+
+import { ScopeSpace } from './scope-space.js';
+import { programlib } from './program-lib/program-lib.js';
+import { ProgramLibrary } from './program-library.js';
+
+import {
+    PRIMITIVE_POINTS, PRIMITIVE_TRIFAN
+} from './constants.js';
+import { Debug } from '../core/debug.js';
+
+const EVENT_RESIZE = 'resizecanvas';
+
+/** @typedef {import('./render-target.js').RenderTarget} RenderTarget */
 
 /**
  * The graphics device manages the underlying graphics context. It is responsible for submitting
@@ -9,10 +23,288 @@ import { EventHandler } from '../core/event-handler.js';
  * @augments EventHandler
  */
 class GraphicsDevice extends EventHandler {
+    /**
+     * The canvas DOM element that provides the underlying WebGL context used by the graphics device.
+     *
+     * @type {HTMLCanvasElement}
+     */
+    canvas;
+
+    /**
+     * The scope namespace for shader attributes and variables.
+     *
+     * @type {ScopeSpace}
+     */
+    scope;
+
+    /**
+     * The maximum supported texture anisotropy setting.
+     *
+     * @type {number}
+     */
+    maxAnisotropy;
+
+    /**
+     * The maximum supported dimension of a cube map.
+     *
+     * @type {number}
+     */
+    maxCubeMapSize;
+
+    /**
+     * The maximum supported dimension of a texture.
+     *
+     * @type {number}
+     */
+    maxTextureSize;
+
+    /**
+     * The maximum supported dimension of a 3D texture (any axis).
+     *
+     * @type {number}
+     */
+    maxVolumeSize;
+
+    /**
+     * The highest shader precision supported by this graphics device. Can be 'hiphp', 'mediump' or
+     * 'lowp'.
+     *
+     * @type {string}
+     */
+    precision;
+
+    /**
+     * True if hardware instancing is supported.
+     *
+     * @type {boolean}
+     */
+    supportsInstancing;
+
+    /**
+     * True if 32-bit floating-point textures can be used as a frame buffer.
+     *
+     * @type {boolean}
+     */
+    textureFloatRenderable;
+
+     /**
+      * True if 16-bit floating-point textures can be used as a frame buffer.
+      *
+      * @type {boolean}
+      */
+    textureHalfFloatRenderable;
+
+    constructor(canvas) {
+        super();
+
+        this.canvas = canvas;
+
+        // local width/height without pixelRatio applied
+        this._width = 0;
+        this._height = 0;
+
+        this._maxPixelRatio = 1;
+
+        // Array of WebGL objects that need to be re-initialized after a context restore event
+        this.shaders = [];
+        this.buffers = [];
+        this.textures = [];
+        this.targets = [];
+
+        this._vram = {
+            // #if _PROFILER
+            texShadow: 0,
+            texAsset: 0,
+            texLightmap: 0,
+            // #endif
+            tex: 0,
+            vb: 0,
+            ib: 0
+        };
+
+        this._shaderStats = {
+            vsCompiled: 0,
+            fsCompiled: 0,
+            linked: 0,
+            materialShaders: 0,
+            compileTime: 0
+        };
+
+        this.initializeContextCaches();
+
+        // Profiler stats
+        this._drawCallsPerFrame = 0;
+        this._shaderSwitchesPerFrame = 0;
+
+        this._primsPerFrame = [];
+        for (let i = PRIMITIVE_POINTS; i <= PRIMITIVE_TRIFAN; i++) {
+            this._primsPerFrame[i] = 0;
+        }
+        this._renderTargetCreationTime = 0;
+
+        // Create the ScopeNamespace for shader attributes and variables
+        this.scope = new ScopeSpace("Device");
+
+        this.programLib = new ProgramLibrary(this);
+        for (const generator in programlib)
+            this.programLib.register(generator, programlib[generator]);
+    }
+
     // don't stringify GraphicsDevice to JSON by JSON.stringify
     toJSON(key) {
         return undefined;
     }
+
+    initializeContextCaches() {
+        this.indexBuffer = null;
+        this.vertexBuffers = [];
+        this.shader = null;
+        this.renderTarget = null;
+    }
+
+    /**
+     * Retrieves the program library assigned to the specified graphics device.
+     *
+     * @returns {ProgramLibrary} The program library assigned to the device.
+     * @ignore
+     */
+    getProgramLibrary() {
+        return this.programLib;
+    }
+
+    /**
+     * Assigns a program library to the specified device. By default, a graphics device is created
+     * with a program library that manages all of the programs that are used to render any
+     * graphical primitives. However, this function allows the user to replace the existing program
+     * library with a new one.
+     *
+     * @param {ProgramLibrary} programLib - The program library to assign to the device.
+     * @ignore
+     */
+    setProgramLibrary(programLib) {
+        this.programLib = programLib;
+    }
+
+    /**
+     * Sets the specified render target on the device. If null is passed as a parameter, the back
+     * buffer becomes the current target for all rendering operations.
+     *
+     * @param {RenderTarget} renderTarget - The render target to activate.
+     * @example
+     * // Set a render target to receive all rendering output
+     * device.setRenderTarget(renderTarget);
+     *
+     * // Set the back buffer to receive all rendering output
+     * device.setRenderTarget(null);
+     */
+    setRenderTarget(renderTarget) {
+        this.renderTarget = renderTarget;
+    }
+
+    /**
+     * Queries the currently set render target on the device.
+     *
+     * @returns {RenderTarget} The current render target.
+     * @example
+     * // Get the current render target
+     * var renderTarget = device.getRenderTarget();
+     */
+    getRenderTarget() {
+        return this.renderTarget;
+    }
+
+    /**
+     * Sets the width and height of the canvas, then fires the `resizecanvas` event. Note that the
+     * specified width and height values will be multiplied by the value of
+     * {@link GraphicsDevice#maxPixelRatio} to give the final resultant width and height for the
+     * canvas.
+     *
+     * @param {number} width - The new width of the canvas.
+     * @param {number} height - The new height of the canvas.
+     * @ignore
+     */
+    resizeCanvas(width, height) {
+        this._width = width;
+        this._height = height;
+
+        const ratio = Math.min(this._maxPixelRatio, platform.browser ? window.devicePixelRatio : 1);
+        width = Math.floor(width * ratio);
+        height = Math.floor(height * ratio);
+
+        if (this.canvas.width !== width || this.canvas.height !== height) {
+            this.canvas.width = width;
+            this.canvas.height = height;
+            this.fire(EVENT_RESIZE, width, height);
+        }
+    }
+
+    /**
+     * Sets the width and height of the canvas, then fires the `resizecanvas` event. Note that the
+     * value of {@link GraphicsDevice#maxPixelRatio} is ignored.
+     *
+     * @param {number} width - The new width of the canvas.
+     * @param {number} height - The new height of the canvas.
+     * @ignore
+     */
+    setResolution(width, height) {
+        this._width = width;
+        this._height = height;
+        this.canvas.width = width;
+        this.canvas.height = height;
+        this.fire(EVENT_RESIZE, width, height);
+    }
+
+    updateClientRect() {
+        this.clientRect = this.canvas.getBoundingClientRect();
+    }
+
+    /**
+     * Width of the back buffer in pixels.
+     *
+     * @type {number}
+     */
+    get width() {
+        Debug.assert("GraphicsDevice.width is not implemented on current device.");
+        return this.canvas.width;
+    }
+
+    /**
+     * Height of the back buffer in pixels.
+     *
+     * @type {number}
+     */
+    get height() {
+        Debug.assert("GraphicsDevice.height is not implemented on current device.");
+        return this.canvas.height;
+    }
+
+    /**
+     * Fullscreen mode.
+     *
+     * @type {boolean}
+     */
+    set fullscreen(fullscreen) {
+        Debug.assert("GraphicsDevice.fullscreen is not implemented on current device.");
+    }
+
+    get fullscreen() {
+        Debug.assert("GraphicsDevice.fullscreen is not implemented on current device.");
+        return false;
+    }
+
+    /**
+     * Maximum pixel ratio.
+     *
+     * @type {number}
+     */
+    set maxPixelRatio(ratio) {
+        this._maxPixelRatio = ratio;
+        this.resizeCanvas(this._width, this._height);
+    }
+
+    get maxPixelRatio() {
+        return this._maxPixelRatio;
+    }
 }
 
 export { GraphicsDevice };

src/graphics/vertex-buffer.js

@@ -30,7 +30,7 @@ class VertexBuffer {
 
         this.id = id++;
 
-        this.impl = graphicsDevice.createVertexBufferImpl(this);
+        this.impl = graphicsDevice.createVertexBufferImpl(this, format);
 
         // marks vertex buffer as instancing data
         this.instancing = false;