mirror of
https://github.com/photonstorm/phaser
synced 2024-12-25 12:33:38 +00:00
2907 lines
91 KiB
JavaScript
2907 lines
91 KiB
JavaScript
/**
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* @author Richard Davey <rich@photonstorm.com>
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* @author Felipe Alfonso <@bitnenfer>
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* @copyright 2013-2023 Photon Storm Ltd.
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* @license {@link https://opensource.org/licenses/MIT|MIT License}
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*/
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var ArrayRemove = require('../../utils/array/Remove');
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var CameraEvents = require('../../cameras/2d/events');
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var Class = require('../../utils/Class');
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var CONST = require('../../const');
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var EventEmitter = require('eventemitter3');
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var Events = require('../events');
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var IsSizePowerOfTwo = require('../../math/pow2/IsSizePowerOfTwo');
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var Matrix4 = require('../../math/Matrix4');
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var NOOP = require('../../utils/NOOP');
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var PipelineManager = require('./PipelineManager');
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var RenderTarget = require('./RenderTarget');
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var ScaleEvents = require('../../scale/events');
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var TextureEvents = require('../../textures/events');
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var Utils = require('./Utils');
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var WebGLSnapshot = require('../snapshot/WebGLSnapshot');
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var DEBUG = false;
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if (typeof WEBGL_DEBUG)
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{
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var SPECTOR = require('phaser3spectorjs');
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DEBUG = true;
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}
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/**
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* @callback WebGLContextCallback
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*
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* @param {Phaser.Renderer.WebGL.WebGLRenderer} renderer - The WebGL Renderer which owns the context.
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*/
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/**
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* @classdesc
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* WebGLRenderer is a class that contains the needed functionality to keep the
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* WebGLRenderingContext state clean. The main idea of the WebGLRenderer is to keep track of
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* any context change that happens for WebGL rendering inside of Phaser. This means
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* if raw webgl functions are called outside the WebGLRenderer of the Phaser WebGL
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* rendering ecosystem they might pollute the current WebGLRenderingContext state producing
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* unexpected behavior. It's recommended that WebGL interaction is done through
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* WebGLRenderer and/or WebGLPipeline.
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*
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* @class WebGLRenderer
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* @extends Phaser.Events.EventEmitter
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* @memberof Phaser.Renderer.WebGL
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* @constructor
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* @since 3.0.0
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*
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* @param {Phaser.Game} game - The Game instance which owns this WebGL Renderer.
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*/
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var WebGLRenderer = new Class({
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Extends: EventEmitter,
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initialize:
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function WebGLRenderer (game)
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{
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EventEmitter.call(this);
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var gameConfig = game.config;
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var contextCreationConfig = {
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alpha: gameConfig.transparent,
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desynchronized: gameConfig.desynchronized,
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depth: true,
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antialias: gameConfig.antialiasGL,
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premultipliedAlpha: gameConfig.premultipliedAlpha,
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stencil: true,
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failIfMajorPerformanceCaveat: gameConfig.failIfMajorPerformanceCaveat,
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powerPreference: gameConfig.powerPreference,
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preserveDrawingBuffer: gameConfig.preserveDrawingBuffer,
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willReadFrequently: false
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};
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/**
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* The local configuration settings of this WebGL Renderer.
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#config
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* @type {object}
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* @since 3.0.0
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*/
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this.config = {
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clearBeforeRender: gameConfig.clearBeforeRender,
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antialias: gameConfig.antialias,
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backgroundColor: gameConfig.backgroundColor,
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contextCreation: contextCreationConfig,
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roundPixels: gameConfig.roundPixels,
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maxTextures: gameConfig.maxTextures,
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maxTextureSize: gameConfig.maxTextureSize,
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batchSize: gameConfig.batchSize,
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maxLights: gameConfig.maxLights,
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mipmapFilter: gameConfig.mipmapFilter
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};
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/**
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* The Game instance which owns this WebGL Renderer.
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#game
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* @type {Phaser.Game}
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* @since 3.0.0
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*/
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this.game = game;
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/**
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* A constant which allows the renderer to be easily identified as a WebGL Renderer.
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#type
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* @type {number}
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* @since 3.0.0
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*/
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this.type = CONST.WEBGL;
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/**
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* An instance of the Pipeline Manager class, that handles all WebGL Pipelines.
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*
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* Use this to manage all of your interactions with pipelines, such as adding, getting,
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* setting and rendering them.
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*
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* The Pipeline Manager class is created in the `init` method and then populated
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* with pipelines during the `boot` method.
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*
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* Prior to Phaser v3.50.0 this was just a plain JavaScript object, not a class.
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#pipelines
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* @type {Phaser.Renderer.WebGL.PipelineManager}
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* @since 3.50.0
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*/
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this.pipelines = null;
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/**
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* The width of the canvas being rendered to.
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* This is populated in the onResize event handler.
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#width
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* @type {number}
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* @since 3.0.0
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*/
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this.width = 0;
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/**
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* The height of the canvas being rendered to.
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* This is populated in the onResize event handler.
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#height
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* @type {number}
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* @since 3.0.0
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*/
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this.height = 0;
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/**
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* The canvas which this WebGL Renderer draws to.
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#canvas
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* @type {HTMLCanvasElement}
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* @since 3.0.0
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*/
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this.canvas = game.canvas;
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/**
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* An array of blend modes supported by the WebGL Renderer.
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*
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* This array includes the default blend modes as well as any custom blend modes added through {@link #addBlendMode}.
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#blendModes
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* @type {array}
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* @default []
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* @since 3.0.0
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*/
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this.blendModes = [];
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/**
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* This property is set to `true` if the WebGL context of the renderer is lost.
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#contextLost
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* @type {boolean}
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* @default false
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* @since 3.0.0
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*/
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this.contextLost = false;
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/**
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* Details about the currently scheduled snapshot.
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*
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* If a non-null `callback` is set in this object, a snapshot of the canvas will be taken after the current frame is fully rendered.
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#snapshotState
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* @type {Phaser.Types.Renderer.Snapshot.SnapshotState}
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* @since 3.0.0
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*/
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this.snapshotState = {
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x: 0,
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y: 0,
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width: 1,
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height: 1,
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getPixel: false,
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callback: null,
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type: 'image/png',
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encoder: 0.92,
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isFramebuffer: false,
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bufferWidth: 0,
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bufferHeight: 0
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};
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/**
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* The maximum number of textures the GPU can handle. The minimum under the WebGL1 spec is 8.
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* This is set via the Game Config `maxTextures` property and should never be changed after boot.
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#maxTextures
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* @type {number}
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* @since 3.50.0
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*/
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this.maxTextures = 0;
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/**
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* An array of the available WebGL texture units, used to populate the uSampler uniforms.
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*
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* This array is populated during the init phase and should never be changed after boot.
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#textureIndexes
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* @type {array}
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* @since 3.50.0
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*/
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this.textureIndexes;
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/**
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* The currently bound framebuffer in use.
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#currentFramebuffer
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* @type {WebGLFramebuffer}
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* @default null
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* @since 3.0.0
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*/
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this.currentFramebuffer = null;
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/**
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* A stack into which the frame buffer objects are pushed and popped.
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#fboStack
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* @type {WebGLFramebuffer[]}
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* @since 3.50.0
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*/
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this.fboStack = [];
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/**
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* Current WebGLProgram in use.
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#currentProgram
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* @type {WebGLProgram}
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* @default null
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* @since 3.0.0
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*/
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this.currentProgram = null;
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/**
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* Current blend mode in use
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#currentBlendMode
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* @type {number}
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* @since 3.0.0
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*/
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this.currentBlendMode = Infinity;
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/**
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* Indicates if the the scissor state is enabled in WebGLRenderingContext
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#currentScissorEnabled
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* @type {boolean}
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* @default false
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* @since 3.0.0
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*/
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this.currentScissorEnabled = false;
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/**
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* Stores the current scissor data
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#currentScissor
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* @type {Uint32Array}
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* @since 3.0.0
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*/
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this.currentScissor = null;
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/**
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* Stack of scissor data
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#scissorStack
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* @type {Uint32Array}
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* @since 3.0.0
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*/
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this.scissorStack = [];
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/**
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* The handler to invoke when the context is lost.
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* This should not be changed and is set in the boot method.
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#contextLostHandler
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* @type {function}
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* @since 3.19.0
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*/
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this.contextLostHandler = NOOP;
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/**
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* The handler to invoke when the context is restored.
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* This should not be changed and is set in the boot method.
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#contextRestoredHandler
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* @type {function}
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* @since 3.19.0
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*/
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this.contextRestoredHandler = NOOP;
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/**
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* The underlying WebGL context of the renderer.
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#gl
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* @type {WebGLRenderingContext}
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* @default null
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* @since 3.0.0
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*/
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this.gl = null;
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/**
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* Array of strings that indicate which WebGL extensions are supported by the browser.
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* This is populated in the `boot` method.
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#supportedExtensions
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* @type {string[]}
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* @default null
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* @since 3.0.0
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*/
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this.supportedExtensions = null;
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/**
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* If the browser supports the `ANGLE_instanced_arrays` extension, this property will hold
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* a reference to the glExtension for it.
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#instancedArraysExtension
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* @type {ANGLE_instanced_arrays}
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* @default null
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* @since 3.50.0
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*/
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this.instancedArraysExtension = null;
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/**
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* If the browser supports the `OES_vertex_array_object` extension, this property will hold
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* a reference to the glExtension for it.
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#vaoExtension
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* @type {OES_vertex_array_object}
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* @default null
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* @since 3.50.0
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*/
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this.vaoExtension = null;
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/**
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* The WebGL Extensions loaded into the current context.
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#extensions
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* @type {object}
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* @default {}
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* @since 3.0.0
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*/
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this.extensions = {};
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/**
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* Stores the current WebGL component formats for further use.
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*
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* This array is populated in the `init` method.
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#glFormats
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* @type {array}
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* @since 3.2.0
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*/
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this.glFormats;
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/**
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* Stores the WebGL texture compression formats that this device and browser supports.
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*
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* Support for using compressed texture formats was added in Phaser version 3.60.
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#compression
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* @type {Phaser.Types.Renderer.WebGL.WebGLTextureCompression}
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* @since 3.8.0
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*/
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this.compression;
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/**
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* Cached drawing buffer height to reduce gl calls.
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#drawingBufferHeight
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* @type {number}
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* @readonly
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* @since 3.11.0
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*/
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this.drawingBufferHeight = 0;
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/**
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* A blank 32x32 transparent texture, as used by the Graphics system where needed.
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* This is set in the `boot` method.
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#blankTexture
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* @type {WebGLTexture}
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* @readonly
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* @since 3.12.0
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*/
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this.blankTexture = null;
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/**
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* A pure white 4x4 texture, as used by the Graphics system where needed.
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* This is set in the `boot` method.
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#whiteTexture
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* @type {WebGLTexture}
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* @readonly
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* @since 3.50.0
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*/
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this.whiteTexture = null;
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/**
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* The total number of masks currently stacked.
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#maskCount
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* @type {number}
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* @since 3.17.0
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*/
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this.maskCount = 0;
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/**
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* The mask stack.
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#maskStack
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* @type {Phaser.Display.Masks.GeometryMask[]}
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* @since 3.17.0
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*/
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this.maskStack = [];
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/**
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* Internal property that tracks the currently set mask.
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#currentMask
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* @type {any}
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* @since 3.17.0
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*/
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this.currentMask = { mask: null, camera: null };
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/**
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* Internal property that tracks the currently set camera mask.
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#currentCameraMask
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* @type {any}
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* @since 3.17.0
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*/
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this.currentCameraMask = { mask: null, camera: null };
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/**
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* Internal gl function mapping for uniform look-up.
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* https://developer.mozilla.org/en-US/docs/Web/API/WebGLRenderingContext/uniform
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#glFuncMap
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* @type {any}
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* @since 3.17.0
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*/
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this.glFuncMap = null;
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/**
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* The `type` of the Game Object being currently rendered.
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* This can be used by advanced render functions for batching look-ahead.
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#currentType
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* @type {string}
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* @since 3.19.0
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*/
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this.currentType = '';
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/**
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* Is the `type` of the Game Object being currently rendered different than the
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* type of the object before it in the display list? I.e. it's a 'new' type.
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#newType
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* @type {boolean}
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* @since 3.19.0
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*/
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this.newType = false;
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/**
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* Does the `type` of the next Game Object in the display list match that
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* of the object being currently rendered?
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#nextTypeMatch
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* @type {boolean}
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* @since 3.19.0
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*/
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this.nextTypeMatch = false;
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/**
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* Is the Game Object being currently rendered the final one in the list?
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#finalType
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* @type {boolean}
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* @since 3.50.0
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*/
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this.finalType = false;
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/**
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* The mipmap magFilter to be used when creating textures.
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*
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* You can specify this as a string in the game config, i.e.:
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*
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* `render: { mipmapFilter: 'NEAREST_MIPMAP_LINEAR' }`
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*
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* The 6 options for WebGL1 are, in order from least to most computationally expensive:
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*
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* NEAREST (for pixel art)
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* LINEAR (the default)
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* NEAREST_MIPMAP_NEAREST
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* LINEAR_MIPMAP_NEAREST
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* NEAREST_MIPMAP_LINEAR
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* LINEAR_MIPMAP_LINEAR
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*
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* Mipmaps only work with textures that are fully power-of-two in size.
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*
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* For more details see https://webglfundamentals.org/webgl/lessons/webgl-3d-textures.html
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*
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* As of v3.60 no mipmaps will be generated unless a string is given in
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* the game config. This saves on VRAM use when it may not be required.
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* To obtain the previous result set the property to `LINEAR` in the config.
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#mipmapFilter
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* @type {GLenum}
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* @since 3.21.0
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*/
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this.mipmapFilter = null;
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|
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/**
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* The default scissor, set during `preRender` and modified during `resize`.
|
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*
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* @name Phaser.Renderer.WebGL.WebGLRenderer#defaultScissor
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* @type {number[]}
|
|
* @private
|
|
* @since 3.50.0
|
|
*/
|
|
this.defaultScissor = [ 0, 0, 0, 0 ];
|
|
|
|
/**
|
|
* Has this renderer fully booted yet?
|
|
*
|
|
* @name Phaser.Renderer.WebGL.WebGLRenderer#isBooted
|
|
* @type {boolean}
|
|
* @since 3.50.0
|
|
*/
|
|
this.isBooted = false;
|
|
|
|
/**
|
|
* A Render Target you can use to capture the current state of the Renderer.
|
|
*
|
|
* A Render Target encapsulates a framebuffer and texture for the WebGL Renderer.
|
|
*
|
|
* @name Phaser.Renderer.WebGL.WebGLRenderer#renderTarget
|
|
* @type {Phaser.Renderer.WebGL.RenderTarget}
|
|
* @since 3.50.0
|
|
*/
|
|
this.renderTarget = null;
|
|
|
|
/**
|
|
* The global game Projection matrix, used by shaders as 'uProjectionMatrix' uniform.
|
|
*
|
|
* @name Phaser.Renderer.WebGL.WebGLRenderer#projectionMatrix
|
|
* @type {Phaser.Math.Matrix4}
|
|
* @since 3.50.0
|
|
*/
|
|
this.projectionMatrix;
|
|
|
|
/**
|
|
* The cached width of the Projection matrix.
|
|
*
|
|
* @name Phaser.Renderer.WebGL.WebGLRenderer#projectionWidth
|
|
* @type {number}
|
|
* @since 3.50.0
|
|
*/
|
|
this.projectionWidth = 0;
|
|
|
|
/**
|
|
* The cached height of the Projection matrix.
|
|
*
|
|
* @name Phaser.Renderer.WebGL.WebGLRenderer#projectionHeight
|
|
* @type {number}
|
|
* @since 3.50.0
|
|
*/
|
|
this.projectionHeight = 0;
|
|
|
|
/**
|
|
* A RenderTarget used by the BitmapMask Pipeline.
|
|
*
|
|
* This is the source, i.e. the masked Game Object itself.
|
|
*
|
|
* @name Phaser.Renderer.WebGL.WebGLRenderer#maskSource
|
|
* @type {Phaser.Renderer.WebGL.RenderTarget}
|
|
* @since 3.60.0
|
|
*/
|
|
this.maskSource = null;
|
|
|
|
/**
|
|
* A RenderTarget used by the BitmapMask Pipeline.
|
|
*
|
|
* This is the target, i.e. the framebuffer the masked objects are drawn to.
|
|
*
|
|
* @name Phaser.Renderer.WebGL.WebGLRenderer#maskTarget
|
|
* @type {Phaser.Renderer.WebGL.RenderTarget}
|
|
* @since 3.60.0
|
|
*/
|
|
this.maskTarget = null;
|
|
|
|
/**
|
|
* An instance of SpectorJS used for WebGL Debugging.
|
|
*
|
|
* Only available in the Phaser Debug build.
|
|
*
|
|
* @name Phaser.Renderer.WebGL.WebGLRenderer#spector
|
|
* @type {function}
|
|
* @since 3.60.0
|
|
*/
|
|
this.spector = null;
|
|
|
|
this._debugCapture = false;
|
|
|
|
this.init(this.config);
|
|
},
|
|
|
|
/**
|
|
* Creates a new WebGLRenderingContext and initializes all internal state.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#init
|
|
* @since 3.0.0
|
|
*
|
|
* @param {object} config - The configuration object for the renderer.
|
|
*
|
|
* @return {this} This WebGLRenderer instance.
|
|
*/
|
|
init: function (config)
|
|
{
|
|
var gl;
|
|
var game = this.game;
|
|
var canvas = this.canvas;
|
|
var clearColor = config.backgroundColor;
|
|
|
|
if (DEBUG)
|
|
{
|
|
this.spector = new SPECTOR.Spector();
|
|
|
|
this.spector.onCapture.add(this.onCapture.bind(this));
|
|
}
|
|
|
|
// Did they provide their own context?
|
|
if (game.config.context)
|
|
{
|
|
gl = game.config.context;
|
|
}
|
|
else
|
|
{
|
|
gl = canvas.getContext('webgl', config.contextCreation) || canvas.getContext('experimental-webgl', config.contextCreation);
|
|
}
|
|
|
|
if (!gl || gl.isContextLost())
|
|
{
|
|
this.contextLost = true;
|
|
|
|
throw new Error('WebGL unsupported');
|
|
}
|
|
|
|
this.gl = gl;
|
|
|
|
var _this = this;
|
|
|
|
this.contextLostHandler = function (event)
|
|
{
|
|
_this.contextLost = true;
|
|
|
|
if (console)
|
|
{
|
|
console.warn('WebGL Context lost. Renderer disabled');
|
|
}
|
|
|
|
event.preventDefault();
|
|
};
|
|
|
|
canvas.addEventListener('webglcontextlost', this.contextLostHandler, false);
|
|
|
|
// Set it back into the Game, so developers can access it from there too
|
|
game.context = gl;
|
|
|
|
for (var i = 0; i <= 27; i++)
|
|
{
|
|
this.blendModes.push({ func: [ gl.ONE, gl.ONE_MINUS_SRC_ALPHA ], equation: gl.FUNC_ADD });
|
|
}
|
|
|
|
// ADD
|
|
this.blendModes[1].func = [ gl.ONE, gl.DST_ALPHA ];
|
|
|
|
// MULTIPLY
|
|
this.blendModes[2].func = [ gl.DST_COLOR, gl.ONE_MINUS_SRC_ALPHA ];
|
|
|
|
// SCREEN
|
|
this.blendModes[3].func = [ gl.ONE, gl.ONE_MINUS_SRC_COLOR ];
|
|
|
|
// ERASE
|
|
this.blendModes[17] = { func: [ gl.ZERO, gl.ONE_MINUS_SRC_ALPHA ], equation: gl.FUNC_REVERSE_SUBTRACT };
|
|
|
|
this.glFormats = [ gl.BYTE, gl.SHORT, gl.UNSIGNED_BYTE, gl.UNSIGNED_SHORT, gl.FLOAT ];
|
|
|
|
// Set the gl function map
|
|
this.glFuncMap = {
|
|
|
|
mat2: { func: gl.uniformMatrix2fv, length: 1, matrix: true },
|
|
mat3: { func: gl.uniformMatrix3fv, length: 1, matrix: true },
|
|
mat4: { func: gl.uniformMatrix4fv, length: 1, matrix: true },
|
|
|
|
'1f': { func: gl.uniform1f, length: 1 },
|
|
'1fv': { func: gl.uniform1fv, length: 1 },
|
|
'1i': { func: gl.uniform1i, length: 1 },
|
|
'1iv': { func: gl.uniform1iv, length: 1 },
|
|
|
|
'2f': { func: gl.uniform2f, length: 2 },
|
|
'2fv': { func: gl.uniform2fv, length: 1 },
|
|
'2i': { func: gl.uniform2i, length: 2 },
|
|
'2iv': { func: gl.uniform2iv, length: 1 },
|
|
|
|
'3f': { func: gl.uniform3f, length: 3 },
|
|
'3fv': { func: gl.uniform3fv, length: 1 },
|
|
'3i': { func: gl.uniform3i, length: 3 },
|
|
'3iv': { func: gl.uniform3iv, length: 1 },
|
|
|
|
'4f': { func: gl.uniform4f, length: 4 },
|
|
'4fv': { func: gl.uniform4fv, length: 1 },
|
|
'4i': { func: gl.uniform4i, length: 4 },
|
|
'4iv': { func: gl.uniform4iv, length: 1 }
|
|
|
|
};
|
|
|
|
// Load supported extensions
|
|
var exts = gl.getSupportedExtensions();
|
|
|
|
if (!config.maxTextures || config.maxTextures === -1)
|
|
{
|
|
config.maxTextures = gl.getParameter(gl.MAX_TEXTURE_IMAGE_UNITS);
|
|
}
|
|
|
|
if (!config.maxTextureSize)
|
|
{
|
|
config.maxTextureSize = gl.getParameter(gl.MAX_TEXTURE_SIZE);
|
|
}
|
|
|
|
this.compression = this.getCompressedTextures();
|
|
|
|
this.supportedExtensions = exts;
|
|
|
|
var angleString = 'ANGLE_instanced_arrays';
|
|
|
|
this.instancedArraysExtension = (exts.indexOf(angleString) > -1) ? gl.getExtension(angleString) : null;
|
|
|
|
var vaoString = 'OES_vertex_array_object';
|
|
|
|
this.vaoExtension = (exts.indexOf(vaoString) > -1) ? gl.getExtension(vaoString) : null;
|
|
|
|
// Setup initial WebGL state
|
|
gl.disable(gl.DEPTH_TEST);
|
|
gl.disable(gl.CULL_FACE);
|
|
|
|
gl.enable(gl.BLEND);
|
|
|
|
gl.clearColor(clearColor.redGL, clearColor.greenGL, clearColor.blueGL, clearColor.alphaGL);
|
|
|
|
// Mipmaps
|
|
if (config.mipmapFilter !== '')
|
|
{
|
|
this.mipmapFilter = gl[config.mipmapFilter];
|
|
}
|
|
|
|
// Check maximum supported textures
|
|
this.maxTextures = Utils.checkShaderMax(gl, config.maxTextures);
|
|
|
|
this.textureIndexes = [];
|
|
|
|
// Create temporary WebGL textures to stop WebGL errors on mac os
|
|
for (var index = 0; index < this.maxTextures; index++)
|
|
{
|
|
var tempTexture = gl.createTexture();
|
|
|
|
gl.activeTexture(gl.TEXTURE0 + index);
|
|
|
|
gl.bindTexture(gl.TEXTURE_2D, tempTexture);
|
|
|
|
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, new Uint8Array([ 0, 0, 255, 255 ]));
|
|
|
|
this.textureIndexes.push(index);
|
|
}
|
|
|
|
this.pipelines = new PipelineManager(this);
|
|
|
|
this.setBlendMode(CONST.BlendModes.NORMAL);
|
|
|
|
this.projectionMatrix = new Matrix4().identity();
|
|
|
|
game.textures.once(TextureEvents.READY, this.boot, this);
|
|
|
|
return this;
|
|
},
|
|
|
|
/**
|
|
* Internal boot handler. Calls 'boot' on each pipeline.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#boot
|
|
* @private
|
|
* @since 3.11.0
|
|
*/
|
|
boot: function ()
|
|
{
|
|
var game = this.game;
|
|
var pipelineManager = this.pipelines;
|
|
|
|
var baseSize = game.scale.baseSize;
|
|
|
|
var width = baseSize.width;
|
|
var height = baseSize.height;
|
|
|
|
this.width = width;
|
|
this.height = height;
|
|
|
|
this.isBooted = true;
|
|
|
|
this.renderTarget = new RenderTarget(this, width, height, 1, 0, true, true);
|
|
|
|
this.maskTarget = new RenderTarget(this, width, height, 1, 0, true, true);
|
|
this.maskSource = new RenderTarget(this, width, height, 1, 0, true, true);
|
|
|
|
// Set-up pipelines
|
|
var config = game.config;
|
|
|
|
pipelineManager.boot(config.pipeline, config.defaultPipeline, config.autoMobilePipeline);
|
|
|
|
// Set-up default textures, fbo and scissor
|
|
|
|
this.blankTexture = game.textures.getFrame('__DEFAULT').glTexture;
|
|
this.whiteTexture = game.textures.getFrame('__WHITE').glTexture;
|
|
|
|
var gl = this.gl;
|
|
|
|
gl.bindFramebuffer(gl.FRAMEBUFFER, null);
|
|
|
|
gl.enable(gl.SCISSOR_TEST);
|
|
|
|
game.scale.on(ScaleEvents.RESIZE, this.onResize, this);
|
|
|
|
this.resize(width, height);
|
|
},
|
|
|
|
captureFrame: function (quickCapture, fullCapture)
|
|
{
|
|
if (quickCapture === undefined) { quickCapture = false; }
|
|
if (fullCapture === undefined) { fullCapture = false; }
|
|
|
|
if (DEBUG && this.spector && !this._debugCapture)
|
|
{
|
|
this.spector.captureCanvas(this.canvas, 0, quickCapture, fullCapture);
|
|
|
|
this._debugCapture = true;
|
|
}
|
|
},
|
|
|
|
captureNextFrame: function ()
|
|
{
|
|
if (DEBUG && this.spector && !this._debugCapture)
|
|
{
|
|
this._debugCapture = true;
|
|
|
|
this.spector.captureNextFrame(this.canvas);
|
|
}
|
|
},
|
|
|
|
getFps: function ()
|
|
{
|
|
if (DEBUG && this.spector)
|
|
{
|
|
return this.spector.getFps();
|
|
}
|
|
},
|
|
|
|
log: function ()
|
|
{
|
|
if (DEBUG && this.spector)
|
|
{
|
|
var t = Array.prototype.slice.call(arguments).join(' ');
|
|
|
|
return this.spector.log(t);
|
|
}
|
|
},
|
|
|
|
startCapture: function (commandCount, quickCapture, fullCapture)
|
|
{
|
|
if (commandCount === undefined) { commandCount = 0; }
|
|
if (quickCapture === undefined) { quickCapture = false; }
|
|
if (fullCapture === undefined) { fullCapture = false; }
|
|
|
|
if (DEBUG && this.spector && !this._debugCapture)
|
|
{
|
|
this.spector.startCapture(this.canvas, commandCount, quickCapture, fullCapture);
|
|
|
|
this._debugCapture = true;
|
|
}
|
|
},
|
|
|
|
stopCapture: function ()
|
|
{
|
|
if (DEBUG && this.spector && this._debugCapture)
|
|
{
|
|
this.spector.stopCapture();
|
|
}
|
|
},
|
|
|
|
onCapture: function (capture)
|
|
{
|
|
if (DEBUG)
|
|
{
|
|
var view = this.spector.getResultUI();
|
|
|
|
view.display(capture);
|
|
|
|
this._debugCapture = false;
|
|
}
|
|
},
|
|
|
|
/**
|
|
* The event handler that manages the `resize` event dispatched by the Scale Manager.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#onResize
|
|
* @since 3.16.0
|
|
*
|
|
* @param {Phaser.Structs.Size} gameSize - The default Game Size object. This is the un-modified game dimensions.
|
|
* @param {Phaser.Structs.Size} baseSize - The base Size object. The game dimensions. The canvas width / height values match this.
|
|
*/
|
|
onResize: function (gameSize, baseSize)
|
|
{
|
|
// Has the underlying canvas size changed?
|
|
if (baseSize.width !== this.width || baseSize.height !== this.height)
|
|
{
|
|
this.resize(baseSize.width, baseSize.height);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Binds the WebGL Renderers Render Target, so all drawn content is now redirected to it.
|
|
*
|
|
* Make sure to call `endCapture` when you are finished.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#beginCapture
|
|
* @since 3.50.0
|
|
*
|
|
* @param {number} [width] - Optional new width of the Render Target.
|
|
* @param {number} [height] - Optional new height of the Render Target.
|
|
*/
|
|
beginCapture: function (width, height)
|
|
{
|
|
if (width === undefined) { width = this.width; }
|
|
if (height === undefined) { height = this.height; }
|
|
|
|
this.renderTarget.bind(true, width, height);
|
|
|
|
this.setProjectionMatrix(width, height);
|
|
},
|
|
|
|
/**
|
|
* Unbinds the WebGL Renderers Render Target and returns it, stopping any further content being drawn to it.
|
|
*
|
|
* If the viewport or scissors were modified during the capture, you should reset them by calling
|
|
* `resetViewport` and `resetScissor` accordingly.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#endCapture
|
|
* @since 3.50.0
|
|
*
|
|
* @return {Phaser.Renderer.WebGL.RenderTarget} A reference to the WebGL Renderer Render Target.
|
|
*/
|
|
endCapture: function ()
|
|
{
|
|
this.renderTarget.unbind(true);
|
|
|
|
this.resetProjectionMatrix();
|
|
|
|
return this.renderTarget;
|
|
},
|
|
|
|
/**
|
|
* Resizes the drawing buffer to match that required by the Scale Manager.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#resize
|
|
* @fires Phaser.Renderer.Events#RESIZE
|
|
* @since 3.0.0
|
|
*
|
|
* @param {number} [width] - The new width of the renderer.
|
|
* @param {number} [height] - The new height of the renderer.
|
|
*
|
|
* @return {this} This WebGLRenderer instance.
|
|
*/
|
|
resize: function (width, height)
|
|
{
|
|
var gl = this.gl;
|
|
|
|
this.width = width;
|
|
this.height = height;
|
|
|
|
this.setProjectionMatrix(width, height);
|
|
|
|
gl.viewport(0, 0, width, height);
|
|
|
|
this.drawingBufferHeight = gl.drawingBufferHeight;
|
|
|
|
gl.scissor(0, (gl.drawingBufferHeight - height), width, height);
|
|
|
|
this.defaultScissor[2] = width;
|
|
this.defaultScissor[3] = height;
|
|
|
|
this.emit(Events.RESIZE, width, height);
|
|
|
|
return this;
|
|
},
|
|
|
|
/**
|
|
* Determines which compressed texture formats this browser and device supports.
|
|
*
|
|
* Called automatically as part of the WebGL Renderer init process. If you need to investigate
|
|
* which formats it supports, see the `Phaser.Renderer.WebGL.WebGLRenderer#compression` property instead.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#getCompressedTextures
|
|
* @since 3.60.0
|
|
*
|
|
* @return {Phaser.Types.Renderer.WebGL.WebGLTextureCompression} The compression object.
|
|
*/
|
|
getCompressedTextures: function ()
|
|
{
|
|
var extString = 'WEBGL_compressed_texture_';
|
|
var wkExtString = 'WEBKIT_' + extString;
|
|
|
|
var hasExt = function (gl, format)
|
|
{
|
|
var results = gl.getExtension(extString + format) || gl.getExtension(wkExtString + format);
|
|
|
|
if (results)
|
|
{
|
|
var glEnums = {};
|
|
|
|
for (var key in results)
|
|
{
|
|
glEnums[results[key]] = key;
|
|
}
|
|
|
|
return glEnums;
|
|
}
|
|
};
|
|
|
|
var gl = this.gl;
|
|
|
|
return {
|
|
ETC: hasExt(gl, 'etc'),
|
|
ETC1: hasExt(gl, 'etc1'),
|
|
ATC: hasExt(gl, 'atc'),
|
|
ASTC: hasExt(gl, 'astc'),
|
|
BPTC: hasExt(gl, 'bptc'),
|
|
RGTC: hasExt(gl, 'rgtc'),
|
|
PVRTC: hasExt(gl, 'pvrtc'),
|
|
S3TC: hasExt(gl, 's3tc'),
|
|
S3TCSRGB: hasExt(gl, 's3tc_srgb'),
|
|
IMG: true
|
|
};
|
|
},
|
|
|
|
/**
|
|
* Returns a compressed texture format GLenum name based on the given format.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#getCompressedTextureName
|
|
* @since 3.60.0
|
|
*
|
|
* @param {string} baseFormat - The Base Format to check.
|
|
* @param {GLenum} [format] - An optional GLenum format to check within the base format.
|
|
*
|
|
* @return {string} The compressed texture format name, as a string.
|
|
*/
|
|
getCompressedTextureName: function (baseFormat, format)
|
|
{
|
|
var supportedFormats = this.compression[baseFormat.toUpperCase()];
|
|
|
|
if (format in supportedFormats)
|
|
{
|
|
return supportedFormats[format];
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Checks if the given compressed texture format is supported, or not.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#supportsCompressedTexture
|
|
* @since 3.60.0
|
|
*
|
|
* @param {string} baseFormat - The Base Format to check.
|
|
* @param {GLenum} [format] - An optional GLenum format to check within the base format.
|
|
*
|
|
* @return {boolean} True if the format is supported, otherwise false.
|
|
*/
|
|
supportsCompressedTexture: function (baseFormat, format)
|
|
{
|
|
var supportedFormats = this.compression[baseFormat.toUpperCase()];
|
|
|
|
if (supportedFormats)
|
|
{
|
|
if (format)
|
|
{
|
|
return format in supportedFormats;
|
|
}
|
|
else
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
},
|
|
|
|
/**
|
|
* Gets the aspect ratio of the WebGLRenderer dimensions.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#getAspectRatio
|
|
* @since 3.50.0
|
|
*
|
|
* @return {number} The aspect ratio of the WebGLRenderer dimensions.
|
|
*/
|
|
getAspectRatio: function ()
|
|
{
|
|
return this.width / this.height;
|
|
},
|
|
|
|
/**
|
|
* Sets the Projection Matrix of this renderer to the given dimensions.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#setProjectionMatrix
|
|
* @since 3.50.0
|
|
*
|
|
* @param {number} width - The new width of the Projection Matrix.
|
|
* @param {number} height - The new height of the Projection Matrix.
|
|
*
|
|
* @return {this} This WebGLRenderer instance.
|
|
*/
|
|
setProjectionMatrix: function (width, height)
|
|
{
|
|
if (width !== this.projectionWidth || height !== this.projectionHeight)
|
|
{
|
|
this.projectionWidth = width;
|
|
this.projectionHeight = height;
|
|
|
|
this.projectionMatrix.ortho(0, width, height, 0, -1000, 1000);
|
|
}
|
|
|
|
return this;
|
|
},
|
|
|
|
/**
|
|
* Resets the Projection Matrix back to this renderers width and height.
|
|
*
|
|
* This is called during `endCapture`, should the matrix have been changed
|
|
* as a result of the capture process.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#resetProjectionMatrix
|
|
* @since 3.50.0
|
|
*
|
|
* @return {this} This WebGLRenderer instance.
|
|
*/
|
|
resetProjectionMatrix: function ()
|
|
{
|
|
return this.setProjectionMatrix(this.width, this.height);
|
|
},
|
|
|
|
/**
|
|
* Checks if a WebGL extension is supported
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#hasExtension
|
|
* @since 3.0.0
|
|
*
|
|
* @param {string} extensionName - Name of the WebGL extension
|
|
*
|
|
* @return {boolean} `true` if the extension is supported, otherwise `false`.
|
|
*/
|
|
hasExtension: function (extensionName)
|
|
{
|
|
return this.supportedExtensions ? this.supportedExtensions.indexOf(extensionName) : false;
|
|
},
|
|
|
|
/**
|
|
* Loads a WebGL extension
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#getExtension
|
|
* @since 3.0.0
|
|
*
|
|
* @param {string} extensionName - The name of the extension to load.
|
|
*
|
|
* @return {object} WebGL extension if the extension is supported
|
|
*/
|
|
getExtension: function (extensionName)
|
|
{
|
|
if (!this.hasExtension(extensionName)) { return null; }
|
|
|
|
if (!(extensionName in this.extensions))
|
|
{
|
|
this.extensions[extensionName] = this.gl.getExtension(extensionName);
|
|
}
|
|
|
|
return this.extensions[extensionName];
|
|
},
|
|
|
|
/**
|
|
* Flushes the current pipeline if the pipeline is bound
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#flush
|
|
* @since 3.0.0
|
|
*/
|
|
flush: function ()
|
|
{
|
|
this.pipelines.flush();
|
|
},
|
|
|
|
/**
|
|
* Pushes a new scissor state. This is used to set nested scissor states.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#pushScissor
|
|
* @since 3.0.0
|
|
*
|
|
* @param {number} x - The x position of the scissor.
|
|
* @param {number} y - The y position of the scissor.
|
|
* @param {number} width - The width of the scissor.
|
|
* @param {number} height - The height of the scissor.
|
|
* @param {number} [drawingBufferHeight] - Optional drawingBufferHeight override value.
|
|
*
|
|
* @return {number[]} An array containing the scissor values.
|
|
*/
|
|
pushScissor: function (x, y, width, height, drawingBufferHeight)
|
|
{
|
|
if (drawingBufferHeight === undefined) { drawingBufferHeight = this.drawingBufferHeight; }
|
|
|
|
var scissorStack = this.scissorStack;
|
|
|
|
var scissor = [ x, y, width, height ];
|
|
|
|
scissorStack.push(scissor);
|
|
|
|
this.setScissor(x, y, width, height, drawingBufferHeight);
|
|
|
|
this.currentScissor = scissor;
|
|
|
|
return scissor;
|
|
},
|
|
|
|
/**
|
|
* Sets the current scissor state.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#setScissor
|
|
* @since 3.0.0
|
|
*
|
|
* @param {number} x - The x position of the scissor.
|
|
* @param {number} y - The y position of the scissor.
|
|
* @param {number} width - The width of the scissor.
|
|
* @param {number} height - The height of the scissor.
|
|
* @param {number} [drawingBufferHeight] - Optional drawingBufferHeight override value.
|
|
*/
|
|
setScissor: function (x, y, width, height, drawingBufferHeight)
|
|
{
|
|
if (drawingBufferHeight === undefined) { drawingBufferHeight = this.drawingBufferHeight; }
|
|
|
|
var gl = this.gl;
|
|
|
|
var current = this.currentScissor;
|
|
|
|
var setScissor = (width > 0 && height > 0);
|
|
|
|
if (current && setScissor)
|
|
{
|
|
var cx = current[0];
|
|
var cy = current[1];
|
|
var cw = current[2];
|
|
var ch = current[3];
|
|
|
|
setScissor = (cx !== x || cy !== y || cw !== width || ch !== height);
|
|
}
|
|
|
|
if (setScissor)
|
|
{
|
|
this.flush();
|
|
|
|
// https://developer.mozilla.org/en-US/docs/Web/API/WebGLRenderingContext/scissor
|
|
gl.scissor(x, (drawingBufferHeight - y - height), width, height);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Resets the gl scissor state to be whatever the current scissor is, if there is one, without
|
|
* modifying the scissor stack.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#resetScissor
|
|
* @since 3.50.0
|
|
*/
|
|
resetScissor: function ()
|
|
{
|
|
var gl = this.gl;
|
|
|
|
gl.enable(gl.SCISSOR_TEST);
|
|
|
|
var current = this.currentScissor;
|
|
|
|
if (current)
|
|
{
|
|
var x = current[0];
|
|
var y = current[1];
|
|
var width = current[2];
|
|
var height = current[3];
|
|
|
|
if (width > 0 && height > 0)
|
|
{
|
|
gl.scissor(x, (this.drawingBufferHeight - y - height), width, height);
|
|
}
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Pops the last scissor state and sets it.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#popScissor
|
|
* @since 3.0.0
|
|
*/
|
|
popScissor: function ()
|
|
{
|
|
var scissorStack = this.scissorStack;
|
|
|
|
// Remove the current scissor
|
|
scissorStack.pop();
|
|
|
|
// Reset the previous scissor
|
|
var scissor = scissorStack[scissorStack.length - 1];
|
|
|
|
if (scissor)
|
|
{
|
|
this.setScissor(scissor[0], scissor[1], scissor[2], scissor[3]);
|
|
}
|
|
|
|
this.currentScissor = scissor;
|
|
},
|
|
|
|
/**
|
|
* Is there an active stencil mask?
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#hasActiveStencilMask
|
|
* @since 3.17.0
|
|
*
|
|
* @return {boolean} `true` if there is an active stencil mask, otherwise `false`.
|
|
*/
|
|
hasActiveStencilMask: function ()
|
|
{
|
|
var mask = this.currentMask.mask;
|
|
var camMask = this.currentCameraMask.mask;
|
|
|
|
return ((mask && mask.isStencil) || (camMask && camMask.isStencil));
|
|
},
|
|
|
|
/**
|
|
* Resets the gl viewport to the current renderer dimensions.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#resetViewport
|
|
* @since 3.50.0
|
|
*/
|
|
resetViewport: function ()
|
|
{
|
|
var gl = this.gl;
|
|
|
|
gl.viewport(0, 0, this.width, this.height);
|
|
|
|
this.drawingBufferHeight = gl.drawingBufferHeight;
|
|
},
|
|
|
|
/**
|
|
* Sets the blend mode to the value given.
|
|
*
|
|
* If the current blend mode is different from the one given, the pipeline is flushed and the new
|
|
* blend mode is enabled.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#setBlendMode
|
|
* @since 3.0.0
|
|
*
|
|
* @param {number} blendModeId - The blend mode to be set. Can be a `BlendModes` const or an integer value.
|
|
* @param {boolean} [force=false] - Force the blend mode to be set, regardless of the currently set blend mode.
|
|
*
|
|
* @return {boolean} `true` if the blend mode was changed as a result of this call, forcing a flush, otherwise `false`.
|
|
*/
|
|
setBlendMode: function (blendModeId, force)
|
|
{
|
|
if (force === undefined) { force = false; }
|
|
|
|
var gl = this.gl;
|
|
var blendMode = this.blendModes[blendModeId];
|
|
|
|
if (force || (blendModeId !== CONST.BlendModes.SKIP_CHECK && this.currentBlendMode !== blendModeId))
|
|
{
|
|
this.flush();
|
|
|
|
gl.enable(gl.BLEND);
|
|
gl.blendEquation(blendMode.equation);
|
|
|
|
if (blendMode.func.length > 2)
|
|
{
|
|
gl.blendFuncSeparate(blendMode.func[0], blendMode.func[1], blendMode.func[2], blendMode.func[3]);
|
|
}
|
|
else
|
|
{
|
|
gl.blendFunc(blendMode.func[0], blendMode.func[1]);
|
|
}
|
|
|
|
this.currentBlendMode = blendModeId;
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
},
|
|
|
|
/**
|
|
* Creates a new custom blend mode for the renderer.
|
|
*
|
|
* See https://developer.mozilla.org/en-US/docs/Web/API/WebGL_API/Constants#Blending_modes
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#addBlendMode
|
|
* @since 3.0.0
|
|
*
|
|
* @param {GLenum[]} func - An array containing the WebGL functions to use for the source and the destination blending factors, respectively. See the possible constants for {@link WebGLRenderingContext#blendFunc()}.
|
|
* @param {GLenum} equation - The equation to use for combining the RGB and alpha components of a new pixel with a rendered one. See the possible constants for {@link WebGLRenderingContext#blendEquation()}.
|
|
*
|
|
* @return {number} The index of the new blend mode, used for referencing it in the future.
|
|
*/
|
|
addBlendMode: function (func, equation)
|
|
{
|
|
var index = this.blendModes.push({ func: func, equation: equation });
|
|
|
|
return index - 1;
|
|
},
|
|
|
|
/**
|
|
* Updates the function bound to a given custom blend mode.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#updateBlendMode
|
|
* @since 3.0.0
|
|
*
|
|
* @param {number} index - The index of the custom blend mode.
|
|
* @param {function} func - The function to use for the blend mode.
|
|
* @param {function} equation - The equation to use for the blend mode.
|
|
*
|
|
* @return {this} This WebGLRenderer instance.
|
|
*/
|
|
updateBlendMode: function (index, func, equation)
|
|
{
|
|
if (this.blendModes[index])
|
|
{
|
|
this.blendModes[index].func = func;
|
|
|
|
if (equation)
|
|
{
|
|
this.blendModes[index].equation = equation;
|
|
}
|
|
}
|
|
|
|
return this;
|
|
},
|
|
|
|
/**
|
|
* Removes a custom blend mode from the renderer.
|
|
* Any Game Objects still using this blend mode will error, so be sure to clear them first.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#removeBlendMode
|
|
* @since 3.0.0
|
|
*
|
|
* @param {number} index - The index of the custom blend mode to be removed.
|
|
*
|
|
* @return {this} This WebGLRenderer instance.
|
|
*/
|
|
removeBlendMode: function (index)
|
|
{
|
|
if (index > 17 && this.blendModes[index])
|
|
{
|
|
this.blendModes.splice(index, 1);
|
|
}
|
|
|
|
return this;
|
|
},
|
|
|
|
/**
|
|
* Pushes a new framebuffer onto the FBO stack and makes it the currently bound framebuffer.
|
|
*
|
|
* If there was another framebuffer already bound it will force a pipeline flush.
|
|
*
|
|
* Call `popFramebuffer` to remove it again.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#pushFramebuffer
|
|
* @since 3.50.0
|
|
*
|
|
* @param {WebGLFramebuffer} framebuffer - The framebuffer that needs to be bound.
|
|
* @param {boolean} [updateScissor=false] - Set the gl scissor to match the frame buffer size? Or, if `null` given, pop the scissor from the stack.
|
|
* @param {boolean} [setViewport=true] - Should the WebGL viewport be set?
|
|
*
|
|
* @return {this} This WebGLRenderer instance.
|
|
*/
|
|
pushFramebuffer: function (framebuffer, updateScissor, setViewport)
|
|
{
|
|
if (framebuffer === this.currentFramebuffer)
|
|
{
|
|
return this;
|
|
}
|
|
|
|
this.fboStack.push(framebuffer);
|
|
|
|
return this.setFramebuffer(framebuffer, updateScissor, setViewport);
|
|
},
|
|
|
|
/**
|
|
* Sets the given framebuffer as the active and currently bound framebuffer.
|
|
*
|
|
* If there was another framebuffer already bound it will force a pipeline flush.
|
|
*
|
|
* Typically, you should call `pushFramebuffer` instead of this method.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#setFramebuffer
|
|
* @since 3.0.0
|
|
*
|
|
* @param {WebGLFramebuffer} framebuffer - The framebuffer that needs to be bound.
|
|
* @param {boolean} [updateScissor=false] - If a framebuffer is given, set the gl scissor to match the frame buffer size? Or, if `null` given, pop the scissor from the stack.
|
|
* @param {boolean} [setViewport=true] - Should the WebGL viewport be set?
|
|
*
|
|
* @return {this} This WebGLRenderer instance.
|
|
*/
|
|
setFramebuffer: function (framebuffer, updateScissor, setViewport)
|
|
{
|
|
if (updateScissor === undefined) { updateScissor = false; }
|
|
if (setViewport === undefined) { setViewport = true; }
|
|
|
|
if (framebuffer === this.currentFramebuffer)
|
|
{
|
|
return this;
|
|
}
|
|
|
|
var gl = this.gl;
|
|
|
|
var width = this.width;
|
|
var height = this.height;
|
|
|
|
if (framebuffer && framebuffer.renderTexture && setViewport)
|
|
{
|
|
width = framebuffer.renderTexture.width;
|
|
height = framebuffer.renderTexture.height;
|
|
}
|
|
else
|
|
{
|
|
this.flush();
|
|
}
|
|
|
|
gl.bindFramebuffer(gl.FRAMEBUFFER, framebuffer);
|
|
|
|
if (setViewport)
|
|
{
|
|
gl.viewport(0, 0, width, height);
|
|
}
|
|
|
|
if (updateScissor)
|
|
{
|
|
if (framebuffer)
|
|
{
|
|
this.drawingBufferHeight = height;
|
|
|
|
this.pushScissor(0, 0, width, height);
|
|
}
|
|
else
|
|
{
|
|
this.drawingBufferHeight = this.height;
|
|
|
|
this.popScissor();
|
|
}
|
|
}
|
|
|
|
this.currentFramebuffer = framebuffer;
|
|
|
|
return this;
|
|
},
|
|
|
|
/**
|
|
* Pops the previous framebuffer from the fbo stack and sets it.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#popFramebuffer
|
|
* @since 3.50.0
|
|
*
|
|
* @param {boolean} [updateScissor=false] - If a framebuffer is given, set the gl scissor to match the frame buffer size? Or, if `null` given, pop the scissor from the stack.
|
|
* @param {boolean} [setViewport=true] - Should the WebGL viewport be set?
|
|
*
|
|
* @return {WebGLFramebuffer} The Framebuffer that was set, or `null` if there aren't any more in the stack.
|
|
*/
|
|
popFramebuffer: function (updateScissor, setViewport)
|
|
{
|
|
if (updateScissor === undefined) { updateScissor = false; }
|
|
if (setViewport === undefined) { setViewport = true; }
|
|
|
|
var fboStack = this.fboStack;
|
|
|
|
// Remove the current fbo
|
|
fboStack.pop();
|
|
|
|
// Reset the previous framebuffer
|
|
var framebuffer = fboStack[fboStack.length - 1];
|
|
|
|
if (!framebuffer)
|
|
{
|
|
framebuffer = null;
|
|
}
|
|
|
|
this.setFramebuffer(framebuffer, updateScissor, setViewport);
|
|
|
|
return framebuffer;
|
|
},
|
|
|
|
/**
|
|
* Binds a shader program.
|
|
*
|
|
* If there was a different program already bound it will force a pipeline flush first.
|
|
*
|
|
* If the same program given to this method is already set as the current program, no change
|
|
* will take place and this method will return `false`.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#setProgram
|
|
* @since 3.0.0
|
|
*
|
|
* @param {WebGLProgram} program - The program that needs to be bound.
|
|
*
|
|
* @return {boolean} `true` if the given program was bound, otherwise `false`.
|
|
*/
|
|
setProgram: function (program)
|
|
{
|
|
if (program !== this.currentProgram)
|
|
{
|
|
this.flush();
|
|
|
|
this.gl.useProgram(program);
|
|
|
|
this.currentProgram = program;
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
},
|
|
|
|
/**
|
|
* Rebinds whatever program `WebGLRenderer.currentProgram` is set as, without
|
|
* changing anything, or flushing.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#resetProgram
|
|
* @since 3.50.0
|
|
*
|
|
* @return {this} This WebGLRenderer instance.
|
|
*/
|
|
resetProgram: function ()
|
|
{
|
|
this.gl.useProgram(this.currentProgram);
|
|
|
|
return this;
|
|
},
|
|
|
|
/**
|
|
* Creates a texture from an image source. If the source is not valid it creates an empty texture.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#createTextureFromSource
|
|
* @since 3.0.0
|
|
*
|
|
* @param {object} source - The source of the texture.
|
|
* @param {number} width - The width of the texture.
|
|
* @param {number} height - The height of the texture.
|
|
* @param {number} scaleMode - The scale mode to be used by the texture.
|
|
* @param {boolean} [forceClamp=false] - Force the texture to use the CLAMP_TO_EDGE wrap mode, even if a power of two?
|
|
*
|
|
* @return {?WebGLTexture} The WebGL Texture that was created, or `null` if it couldn't be created.
|
|
*/
|
|
createTextureFromSource: function (source, width, height, scaleMode, forceClamp)
|
|
{
|
|
if (forceClamp === undefined) { forceClamp = false; }
|
|
|
|
var gl = this.gl;
|
|
var minFilter = gl.NEAREST;
|
|
var magFilter = gl.NEAREST;
|
|
var wrap = gl.CLAMP_TO_EDGE;
|
|
var texture = null;
|
|
|
|
width = source ? source.width : width;
|
|
height = source ? source.height : height;
|
|
|
|
var pow = IsSizePowerOfTwo(width, height);
|
|
|
|
if (pow && !forceClamp)
|
|
{
|
|
wrap = gl.REPEAT;
|
|
}
|
|
|
|
if (scaleMode === CONST.ScaleModes.LINEAR && this.config.antialias)
|
|
{
|
|
minFilter = (pow && this.mipmapFilter) ? this.mipmapFilter : gl.LINEAR;
|
|
magFilter = gl.LINEAR;
|
|
}
|
|
|
|
if (source && source.compressed)
|
|
{
|
|
// If you don't set minFilter to LINEAR then the compressed textures don't work!
|
|
minFilter = gl.LINEAR;
|
|
magFilter = gl.LINEAR;
|
|
}
|
|
|
|
if (!source && typeof width === 'number' && typeof height === 'number')
|
|
{
|
|
texture = this.createTexture2D(0, minFilter, magFilter, wrap, wrap, gl.RGBA, null, width, height);
|
|
}
|
|
else
|
|
{
|
|
texture = this.createTexture2D(0, minFilter, magFilter, wrap, wrap, gl.RGBA, source);
|
|
}
|
|
|
|
return texture;
|
|
},
|
|
|
|
/**
|
|
* A wrapper for creating a WebGLTexture. If no pixel data is passed it will create an empty texture.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#createTexture2D
|
|
* @since 3.0.0
|
|
*
|
|
* @param {number} mipLevel - Mip level of the texture.
|
|
* @param {number} minFilter - Filtering of the texture.
|
|
* @param {number} magFilter - Filtering of the texture.
|
|
* @param {number} wrapT - Wrapping mode of the texture.
|
|
* @param {number} wrapS - Wrapping mode of the texture.
|
|
* @param {number} format - Which format does the texture use.
|
|
* @param {?object} pixels - pixel data.
|
|
* @param {number} width - Width of the texture in pixels.
|
|
* @param {number} height - Height of the texture in pixels.
|
|
* @param {boolean} [pma=true] - Does the texture have premultiplied alpha?
|
|
* @param {boolean} [forceSize=false] - If `true` it will use the width and height passed to this method, regardless of the pixels dimension.
|
|
* @param {boolean} [flipY=false] - Sets the `UNPACK_FLIP_Y_WEBGL` flag the WebGL Texture uses during upload.
|
|
*
|
|
* @return {WebGLTexture} The WebGLTexture that was created.
|
|
*/
|
|
createTexture2D: function (mipLevel, minFilter, magFilter, wrapT, wrapS, format, pixels, width, height, pma, forceSize, flipY)
|
|
{
|
|
pma = (pma === undefined || pma === null) ? true : pma;
|
|
if (forceSize === undefined) { forceSize = false; }
|
|
if (flipY === undefined) { flipY = false; }
|
|
|
|
var gl = this.gl;
|
|
var texture = gl.createTexture();
|
|
|
|
gl.activeTexture(gl.TEXTURE0);
|
|
|
|
var currentTexture = gl.getParameter(gl.TEXTURE_BINDING_2D);
|
|
|
|
gl.bindTexture(gl.TEXTURE_2D, texture);
|
|
|
|
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, minFilter);
|
|
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, magFilter);
|
|
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, wrapS);
|
|
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, wrapT);
|
|
|
|
gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, pma);
|
|
|
|
if (flipY)
|
|
{
|
|
gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, true);
|
|
}
|
|
|
|
var generateMipmap = false;
|
|
|
|
if (pixels === null || pixels === undefined)
|
|
{
|
|
gl.texImage2D(gl.TEXTURE_2D, mipLevel, format, width, height, 0, format, gl.UNSIGNED_BYTE, null);
|
|
|
|
generateMipmap = IsSizePowerOfTwo(width, height);
|
|
}
|
|
else if (pixels.compressed)
|
|
{
|
|
width = pixels.width;
|
|
height = pixels.height;
|
|
generateMipmap = pixels.generateMipmap;
|
|
|
|
for (var i = 0; i < pixels.mipmaps.length; i++)
|
|
{
|
|
gl.compressedTexImage2D(gl.TEXTURE_2D, i, pixels.internalFormat, pixels.mipmaps[i].width, pixels.mipmaps[i].height, 0, pixels.mipmaps[i].data);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (!forceSize)
|
|
{
|
|
width = pixels.width;
|
|
height = pixels.height;
|
|
}
|
|
|
|
gl.texImage2D(gl.TEXTURE_2D, mipLevel, format, format, gl.UNSIGNED_BYTE, pixels);
|
|
|
|
generateMipmap = IsSizePowerOfTwo(width, height);
|
|
}
|
|
|
|
if (generateMipmap)
|
|
{
|
|
gl.generateMipmap(gl.TEXTURE_2D);
|
|
}
|
|
|
|
if (currentTexture)
|
|
{
|
|
gl.bindTexture(gl.TEXTURE_2D, currentTexture);
|
|
}
|
|
|
|
texture.isAlphaPremultiplied = pma;
|
|
texture.isRenderTexture = false;
|
|
texture.width = width;
|
|
texture.height = height;
|
|
|
|
return texture;
|
|
},
|
|
|
|
/**
|
|
* Creates a WebGL Framebuffer object and optionally binds a depth stencil render buffer.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#createFramebuffer
|
|
* @since 3.0.0
|
|
*
|
|
* @param {number} width - If `addDepthStencilBuffer` is true, this controls the width of the depth stencil.
|
|
* @param {number} height - If `addDepthStencilBuffer` is true, this controls the height of the depth stencil.
|
|
* @param {WebGLTexture} renderTexture - The color texture where the color pixels are written.
|
|
* @param {boolean} [addDepthStencilBuffer=false] - Create a Renderbuffer for the depth stencil?
|
|
*
|
|
* @return {WebGLFramebuffer} Raw WebGLFramebuffer
|
|
*/
|
|
createFramebuffer: function (width, height, renderTexture, addDepthStencilBuffer)
|
|
{
|
|
if (addDepthStencilBuffer === undefined) { addDepthStencilBuffer = false; }
|
|
|
|
var gl = this.gl;
|
|
var framebuffer = gl.createFramebuffer();
|
|
var complete = 0;
|
|
|
|
this.setFramebuffer(framebuffer);
|
|
|
|
if (addDepthStencilBuffer)
|
|
{
|
|
var depthStencilBuffer = gl.createRenderbuffer();
|
|
|
|
gl.bindRenderbuffer(gl.RENDERBUFFER, depthStencilBuffer);
|
|
gl.renderbufferStorage(gl.RENDERBUFFER, gl.DEPTH_STENCIL, width, height);
|
|
gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.DEPTH_STENCIL_ATTACHMENT, gl.RENDERBUFFER, depthStencilBuffer);
|
|
}
|
|
|
|
renderTexture.isRenderTexture = true;
|
|
renderTexture.isAlphaPremultiplied = false;
|
|
|
|
gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, renderTexture, 0);
|
|
|
|
complete = gl.checkFramebufferStatus(gl.FRAMEBUFFER);
|
|
|
|
if (complete !== gl.FRAMEBUFFER_COMPLETE)
|
|
{
|
|
var errors = {
|
|
36054: 'Incomplete Attachment',
|
|
36055: 'Missing Attachment',
|
|
36057: 'Incomplete Dimensions',
|
|
36061: 'Framebuffer Unsupported'
|
|
};
|
|
|
|
throw new Error('Framebuffer status: ' + (errors[complete] || complete));
|
|
}
|
|
|
|
framebuffer.renderTexture = renderTexture;
|
|
|
|
this.setFramebuffer(null);
|
|
|
|
return framebuffer;
|
|
},
|
|
|
|
/**
|
|
* Binds necessary resources and renders the mask to a separated framebuffer.
|
|
* The framebuffer for the masked object is also bound for further use.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#beginBitmapMask
|
|
* @since 3.60.0
|
|
*
|
|
* @param {Phaser.Display.Masks.BitmapMask} mask - The BitmapMask instance that called beginMask.
|
|
* @param {Phaser.Cameras.Scene2D.Camera} camera - The camera rendering the current mask.
|
|
*/
|
|
beginBitmapMask: function (bitmapMask, camera)
|
|
{
|
|
var gl = this.gl;
|
|
|
|
if (gl)
|
|
{
|
|
this.flush();
|
|
|
|
this.maskTarget.bind();
|
|
|
|
if (this.currentCameraMask.mask !== bitmapMask)
|
|
{
|
|
this.currentMask.mask = bitmapMask;
|
|
this.currentMask.camera = camera;
|
|
}
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Binds necessary resources and renders the mask to a separated framebuffer.
|
|
* The framebuffer for the masked object is also bound for further use.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#drawBitmapMask
|
|
* @since 3.60.0
|
|
*
|
|
* @param {Phaser.Display.Masks.BitmapMask} mask - The BitmapMask instance that called beginMask.
|
|
* @param {Phaser.Cameras.Scene2D.Camera} camera - The camera rendering the current mask.
|
|
* @param {Phaser.Renderer.WebGL.Pipelines.BitmapMaskPipeline} bitmapMaskPipeline - The BitmapMask Pipeline instance that is requesting the draw.
|
|
*/
|
|
drawBitmapMask: function (bitmapMask, camera, bitmapMaskPipeline)
|
|
{
|
|
// mask.mainFramebuffer should now contain all the Game Objects we want masked
|
|
this.flush();
|
|
|
|
this.maskSource.bind();
|
|
|
|
this.setBlendMode(0, true);
|
|
|
|
bitmapMask.renderWebGL(this, bitmapMask, camera);
|
|
|
|
this.maskSource.unbind(true);
|
|
this.maskTarget.unbind();
|
|
|
|
// Is there a stencil further up the stack?
|
|
var gl = this.gl;
|
|
var prev = this.getCurrentStencilMask();
|
|
|
|
if (prev)
|
|
{
|
|
gl.enable(gl.STENCIL_TEST);
|
|
|
|
prev.mask.applyStencil(this, prev.camera, true);
|
|
}
|
|
else
|
|
{
|
|
this.currentMask.mask = null;
|
|
}
|
|
|
|
// Bind this pipeline and draw
|
|
this.pipelines.set(bitmapMaskPipeline);
|
|
|
|
gl.activeTexture(gl.TEXTURE0);
|
|
gl.bindTexture(gl.TEXTURE_2D, this.maskTarget.texture);
|
|
|
|
gl.activeTexture(gl.TEXTURE1);
|
|
gl.bindTexture(gl.TEXTURE_2D, this.maskSource.texture);
|
|
},
|
|
|
|
/**
|
|
* Creates a WebGLProgram instance based on the given vertex and fragment shader source.
|
|
*
|
|
* Then compiles, attaches and links the program before returning it.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#createProgram
|
|
* @since 3.0.0
|
|
*
|
|
* @param {string} vertexShader - The vertex shader source code as a single string.
|
|
* @param {string} fragmentShader - The fragment shader source code as a single string.
|
|
*
|
|
* @return {WebGLProgram} The linked WebGLProgram created from the given shader source.
|
|
*/
|
|
createProgram: function (vertexShader, fragmentShader)
|
|
{
|
|
var gl = this.gl;
|
|
|
|
var program = gl.createProgram();
|
|
|
|
var vs = gl.createShader(gl.VERTEX_SHADER);
|
|
var fs = gl.createShader(gl.FRAGMENT_SHADER);
|
|
|
|
gl.shaderSource(vs, vertexShader);
|
|
gl.shaderSource(fs, fragmentShader);
|
|
|
|
gl.compileShader(vs);
|
|
gl.compileShader(fs);
|
|
|
|
var failed = 'Shader failed:\n';
|
|
|
|
if (!gl.getShaderParameter(vs, gl.COMPILE_STATUS))
|
|
{
|
|
throw new Error('Vertex ' + failed + gl.getShaderInfoLog(vs));
|
|
}
|
|
|
|
if (!gl.getShaderParameter(fs, gl.COMPILE_STATUS))
|
|
{
|
|
throw new Error('Fragment ' + failed + gl.getShaderInfoLog(fs));
|
|
}
|
|
|
|
gl.attachShader(program, vs);
|
|
gl.attachShader(program, fs);
|
|
|
|
gl.linkProgram(program);
|
|
|
|
if (!gl.getProgramParameter(program, gl.LINK_STATUS))
|
|
{
|
|
throw new Error('Link ' + failed + gl.getProgramInfoLog(program));
|
|
}
|
|
|
|
gl.useProgram(program);
|
|
|
|
return program;
|
|
},
|
|
|
|
/**
|
|
* Wrapper for creating a vertex buffer.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#createVertexBuffer
|
|
* @since 3.0.0
|
|
*
|
|
* @param {ArrayBuffer} initialDataOrSize - It's either ArrayBuffer or an integer indicating the size of the vbo
|
|
* @param {number} bufferUsage - How the buffer is used. gl.DYNAMIC_DRAW, gl.STATIC_DRAW or gl.STREAM_DRAW
|
|
*
|
|
* @return {WebGLBuffer} Raw vertex buffer
|
|
*/
|
|
createVertexBuffer: function (initialDataOrSize, bufferUsage)
|
|
{
|
|
var gl = this.gl;
|
|
var vertexBuffer = gl.createBuffer();
|
|
|
|
gl.bindBuffer(gl.ARRAY_BUFFER, vertexBuffer);
|
|
gl.bufferData(gl.ARRAY_BUFFER, initialDataOrSize, bufferUsage);
|
|
gl.bindBuffer(gl.ARRAY_BUFFER, null);
|
|
|
|
return vertexBuffer;
|
|
},
|
|
|
|
/**
|
|
* Wrapper for creating a vertex buffer.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#createIndexBuffer
|
|
* @since 3.0.0
|
|
*
|
|
* @param {ArrayBuffer} initialDataOrSize - Either ArrayBuffer or an integer indicating the size of the vbo.
|
|
* @param {number} bufferUsage - How the buffer is used. gl.DYNAMIC_DRAW, gl.STATIC_DRAW or gl.STREAM_DRAW.
|
|
*
|
|
* @return {WebGLBuffer} Raw index buffer
|
|
*/
|
|
createIndexBuffer: function (initialDataOrSize, bufferUsage)
|
|
{
|
|
var gl = this.gl;
|
|
var indexBuffer = gl.createBuffer();
|
|
|
|
gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, indexBuffer);
|
|
gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, initialDataOrSize, bufferUsage);
|
|
gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, null);
|
|
|
|
return indexBuffer;
|
|
},
|
|
|
|
/**
|
|
* Calls `GL.deleteTexture` on the given WebGLTexture and also optionally
|
|
* resets the currently defined textures.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#deleteTexture
|
|
* @since 3.0.0
|
|
*
|
|
* @param {WebGLTexture} texture - The WebGL Texture to be deleted.
|
|
*
|
|
* @return {this} This WebGLRenderer instance.
|
|
*/
|
|
deleteTexture: function (texture)
|
|
{
|
|
if (texture)
|
|
{
|
|
this.gl.deleteTexture(texture);
|
|
}
|
|
|
|
return this;
|
|
},
|
|
|
|
/**
|
|
* Deletes a WebGLFramebuffer from the GL instance.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#deleteFramebuffer
|
|
* @since 3.0.0
|
|
*
|
|
* @param {WebGLFramebuffer} framebuffer - The Framebuffer to be deleted.
|
|
*
|
|
* @return {this} This WebGLRenderer instance.
|
|
*/
|
|
deleteFramebuffer: function (framebuffer)
|
|
{
|
|
if (framebuffer)
|
|
{
|
|
var gl = this.gl;
|
|
|
|
gl.bindFramebuffer(gl.FRAMEBUFFER, framebuffer);
|
|
|
|
var renderBuffer = gl.getParameter(gl.RENDERBUFFER_BINDING);
|
|
|
|
if (renderBuffer)
|
|
{
|
|
gl.deleteRenderbuffer(renderBuffer);
|
|
}
|
|
|
|
gl.bindFramebuffer(gl.FRAMEBUFFER, null);
|
|
|
|
gl.deleteFramebuffer(framebuffer);
|
|
|
|
ArrayRemove(this.fboStack, framebuffer);
|
|
|
|
if (this.currentFramebuffer === framebuffer)
|
|
{
|
|
this.currentFramebuffer = null;
|
|
}
|
|
}
|
|
|
|
return this;
|
|
},
|
|
|
|
/**
|
|
* Deletes a WebGLProgram from the GL instance.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#deleteProgram
|
|
* @since 3.0.0
|
|
*
|
|
* @param {WebGLProgram} program - The shader program to be deleted.
|
|
*
|
|
* @return {this} This WebGLRenderer instance.
|
|
*/
|
|
deleteProgram: function (program)
|
|
{
|
|
if (program)
|
|
{
|
|
this.gl.deleteProgram(program);
|
|
}
|
|
|
|
return this;
|
|
},
|
|
|
|
/**
|
|
* Deletes a WebGLBuffer from the GL instance.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#deleteBuffer
|
|
* @since 3.0.0
|
|
*
|
|
* @param {WebGLBuffer} vertexBuffer - The WebGLBuffer to be deleted.
|
|
*
|
|
* @return {this} This WebGLRenderer instance.
|
|
*/
|
|
deleteBuffer: function (buffer)
|
|
{
|
|
this.gl.deleteBuffer(buffer);
|
|
|
|
return this;
|
|
},
|
|
|
|
/**
|
|
* Controls the pre-render operations for the given camera.
|
|
* Handles any clipping needed by the camera and renders the background color if a color is visible.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#preRenderCamera
|
|
* @since 3.0.0
|
|
*
|
|
* @param {Phaser.Cameras.Scene2D.Camera} camera - The Camera to pre-render.
|
|
*/
|
|
preRenderCamera: function (camera)
|
|
{
|
|
var cx = camera.x;
|
|
var cy = camera.y;
|
|
var cw = camera.width;
|
|
var ch = camera.height;
|
|
|
|
var color = camera.backgroundColor;
|
|
|
|
camera.emit(CameraEvents.PRE_RENDER, camera);
|
|
|
|
this.pipelines.preBatchCamera(camera);
|
|
|
|
this.pushScissor(cx, cy, cw, ch);
|
|
|
|
if (camera.mask)
|
|
{
|
|
this.currentCameraMask.mask = camera.mask;
|
|
this.currentCameraMask.camera = camera._maskCamera;
|
|
|
|
camera.mask.preRenderWebGL(this, camera, camera._maskCamera);
|
|
}
|
|
|
|
if (color.alphaGL > 0)
|
|
{
|
|
var pipeline = this.pipelines.setMulti();
|
|
|
|
pipeline.drawFillRect(
|
|
cx, cy, cw, ch,
|
|
Utils.getTintFromFloats(color.blueGL, color.greenGL, color.redGL, 1),
|
|
color.alphaGL
|
|
);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Return the current stencil mask.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#getCurrentStencilMask
|
|
* @private
|
|
* @since 3.50.0
|
|
*/
|
|
getCurrentStencilMask: function ()
|
|
{
|
|
var prev = null;
|
|
var stack = this.maskStack;
|
|
var cameraMask = this.currentCameraMask;
|
|
|
|
if (stack.length > 0)
|
|
{
|
|
prev = stack[stack.length - 1];
|
|
}
|
|
else if (cameraMask.mask && cameraMask.mask.isStencil)
|
|
{
|
|
prev = cameraMask;
|
|
}
|
|
|
|
return prev;
|
|
},
|
|
|
|
/**
|
|
* Controls the post-render operations for the given camera.
|
|
*
|
|
* Renders the foreground camera effects like flash and fading, then resets the current scissor state.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#postRenderCamera
|
|
* @since 3.0.0
|
|
*
|
|
* @param {Phaser.Cameras.Scene2D.Camera} camera - The Camera to post-render.
|
|
*/
|
|
postRenderCamera: function (camera)
|
|
{
|
|
var flashEffect = camera.flashEffect;
|
|
var fadeEffect = camera.fadeEffect;
|
|
|
|
if (flashEffect.isRunning || (fadeEffect.isRunning || fadeEffect.isComplete))
|
|
{
|
|
var pipeline = this.pipelines.setMulti();
|
|
|
|
flashEffect.postRenderWebGL(pipeline, Utils.getTintFromFloats);
|
|
fadeEffect.postRenderWebGL(pipeline, Utils.getTintFromFloats);
|
|
}
|
|
|
|
camera.dirty = false;
|
|
|
|
this.popScissor();
|
|
|
|
if (camera.mask)
|
|
{
|
|
this.currentCameraMask.mask = null;
|
|
|
|
camera.mask.postRenderWebGL(this, camera._maskCamera);
|
|
}
|
|
|
|
this.pipelines.postBatchCamera(camera);
|
|
|
|
camera.emit(CameraEvents.POST_RENDER, camera);
|
|
},
|
|
|
|
/**
|
|
* Clears the current vertex buffer and updates pipelines.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#preRender
|
|
* @fires Phaser.Renderer.Events#PRE_RENDER
|
|
* @since 3.0.0
|
|
*/
|
|
preRender: function ()
|
|
{
|
|
if (this.contextLost) { return; }
|
|
|
|
var gl = this.gl;
|
|
|
|
// Make sure we are bound to the main frame buffer
|
|
gl.bindFramebuffer(gl.FRAMEBUFFER, null);
|
|
|
|
if (this.config.clearBeforeRender)
|
|
{
|
|
var clearColor = this.config.backgroundColor;
|
|
|
|
gl.clearColor(clearColor.redGL, clearColor.greenGL, clearColor.blueGL, clearColor.alphaGL);
|
|
|
|
gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT | gl.STENCIL_BUFFER_BIT);
|
|
}
|
|
|
|
gl.enable(gl.SCISSOR_TEST);
|
|
|
|
this.currentScissor = this.defaultScissor;
|
|
|
|
this.scissorStack.length = 0;
|
|
this.scissorStack.push(this.currentScissor);
|
|
|
|
if (this.game.scene.customViewports)
|
|
{
|
|
gl.scissor(0, (this.drawingBufferHeight - this.height), this.width, this.height);
|
|
}
|
|
|
|
this.currentMask.mask = null;
|
|
this.currentCameraMask.mask = null;
|
|
this.maskStack.length = 0;
|
|
|
|
this.emit(Events.PRE_RENDER);
|
|
},
|
|
|
|
/**
|
|
* The core render step for a Scene Camera.
|
|
*
|
|
* Iterates through the given array of Game Objects and renders them with the given Camera.
|
|
*
|
|
* This is called by the `CameraManager.render` method. The Camera Manager instance belongs to a Scene, and is invoked
|
|
* by the Scene Systems.render method.
|
|
*
|
|
* This method is not called if `Camera.visible` is `false`, or `Camera.alpha` is zero.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#render
|
|
* @fires Phaser.Renderer.Events#RENDER
|
|
* @since 3.0.0
|
|
*
|
|
* @param {Phaser.Scene} scene - The Scene to render.
|
|
* @param {Phaser.GameObjects.GameObject[]} children - An array of filtered Game Objects that can be rendered by the given Camera.
|
|
* @param {Phaser.Cameras.Scene2D.Camera} camera - The Scene Camera to render with.
|
|
*/
|
|
render: function (scene, children, camera)
|
|
{
|
|
if (this.contextLost) { return; }
|
|
|
|
var childCount = children.length;
|
|
|
|
this.emit(Events.RENDER, scene, camera);
|
|
|
|
// Apply scissor for cam region + render background color, if not transparent
|
|
this.preRenderCamera(camera);
|
|
|
|
// Nothing to render, so bail out
|
|
if (childCount === 0)
|
|
{
|
|
this.setBlendMode(CONST.BlendModes.NORMAL);
|
|
|
|
// Applies camera effects and pops the scissor, if set
|
|
this.postRenderCamera(camera);
|
|
|
|
return;
|
|
}
|
|
|
|
// Reset the current type
|
|
this.currentType = '';
|
|
|
|
var current = this.currentMask;
|
|
|
|
for (var i = 0; i < childCount; i++)
|
|
{
|
|
this.finalType = (i === childCount - 1);
|
|
|
|
var child = children[i];
|
|
|
|
var mask = child.mask;
|
|
|
|
current = this.currentMask;
|
|
|
|
if (current.mask && current.mask !== mask)
|
|
{
|
|
// Render out the previously set mask
|
|
current.mask.postRenderWebGL(this, current.camera);
|
|
}
|
|
|
|
if (mask && current.mask !== mask)
|
|
{
|
|
mask.preRenderWebGL(this, child, camera);
|
|
}
|
|
|
|
if (child.blendMode !== this.currentBlendMode)
|
|
{
|
|
this.setBlendMode(child.blendMode);
|
|
}
|
|
|
|
var type = child.type;
|
|
|
|
if (type !== this.currentType)
|
|
{
|
|
this.newType = true;
|
|
this.currentType = type;
|
|
}
|
|
|
|
if (!this.finalType)
|
|
{
|
|
this.nextTypeMatch = (children[i + 1].type === this.currentType);
|
|
}
|
|
else
|
|
{
|
|
this.nextTypeMatch = false;
|
|
}
|
|
|
|
child.renderWebGL(this, child, camera);
|
|
|
|
this.newType = false;
|
|
}
|
|
|
|
current = this.currentMask;
|
|
|
|
if (current.mask)
|
|
{
|
|
// Render out the previously set mask, if it was the last item in the display list
|
|
current.mask.postRenderWebGL(this, current.camera);
|
|
}
|
|
|
|
this.setBlendMode(CONST.BlendModes.NORMAL);
|
|
|
|
// Applies camera effects and pops the scissor, if set
|
|
this.postRenderCamera(camera);
|
|
},
|
|
|
|
/**
|
|
* The post-render step happens after all Cameras in all Scenes have been rendered.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#postRender
|
|
* @fires Phaser.Renderer.Events#POST_RENDER
|
|
* @since 3.0.0
|
|
*/
|
|
postRender: function ()
|
|
{
|
|
if (this.contextLost) { return; }
|
|
|
|
this.flush();
|
|
|
|
this.emit(Events.POST_RENDER);
|
|
|
|
var state = this.snapshotState;
|
|
|
|
if (state.callback)
|
|
{
|
|
WebGLSnapshot(this.gl, state);
|
|
|
|
state.callback = null;
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Schedules a snapshot of the entire game viewport to be taken after the current frame is rendered.
|
|
*
|
|
* To capture a specific area see the `snapshotArea` method. To capture a specific pixel, see `snapshotPixel`.
|
|
*
|
|
* Only one snapshot can be active _per frame_. If you have already called `snapshotPixel`, for example, then
|
|
* calling this method will override it.
|
|
*
|
|
* Snapshots work by using the WebGL `readPixels` feature to grab every pixel from the frame buffer into an ArrayBufferView.
|
|
* It then parses this, copying the contents to a temporary Canvas and finally creating an Image object from it,
|
|
* which is the image returned to the callback provided. All in all, this is a computationally expensive and blocking process,
|
|
* which gets more expensive the larger the canvas size gets, so please be careful how you employ this in your game.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#snapshot
|
|
* @since 3.0.0
|
|
*
|
|
* @param {Phaser.Types.Renderer.Snapshot.SnapshotCallback} callback - The Function to invoke after the snapshot image is created.
|
|
* @param {string} [type='image/png'] - The format of the image to create, usually `image/png` or `image/jpeg`.
|
|
* @param {number} [encoderOptions=0.92] - The image quality, between 0 and 1. Used for image formats with lossy compression, such as `image/jpeg`.
|
|
*
|
|
* @return {this} This WebGL Renderer.
|
|
*/
|
|
snapshot: function (callback, type, encoderOptions)
|
|
{
|
|
return this.snapshotArea(0, 0, this.gl.drawingBufferWidth, this.gl.drawingBufferHeight, callback, type, encoderOptions);
|
|
},
|
|
|
|
/**
|
|
* Schedules a snapshot of the given area of the game viewport to be taken after the current frame is rendered.
|
|
*
|
|
* To capture the whole game viewport see the `snapshot` method. To capture a specific pixel, see `snapshotPixel`.
|
|
*
|
|
* Only one snapshot can be active _per frame_. If you have already called `snapshotPixel`, for example, then
|
|
* calling this method will override it.
|
|
*
|
|
* Snapshots work by using the WebGL `readPixels` feature to grab every pixel from the frame buffer into an ArrayBufferView.
|
|
* It then parses this, copying the contents to a temporary Canvas and finally creating an Image object from it,
|
|
* which is the image returned to the callback provided. All in all, this is a computationally expensive and blocking process,
|
|
* which gets more expensive the larger the canvas size gets, so please be careful how you employ this in your game.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#snapshotArea
|
|
* @since 3.16.0
|
|
*
|
|
* @param {number} x - The x coordinate to grab from. This is based on the game viewport, not the world.
|
|
* @param {number} y - The y coordinate to grab from. This is based on the game viewport, not the world.
|
|
* @param {number} width - The width of the area to grab.
|
|
* @param {number} height - The height of the area to grab.
|
|
* @param {Phaser.Types.Renderer.Snapshot.SnapshotCallback} callback - The Function to invoke after the snapshot image is created.
|
|
* @param {string} [type='image/png'] - The format of the image to create, usually `image/png` or `image/jpeg`.
|
|
* @param {number} [encoderOptions=0.92] - The image quality, between 0 and 1. Used for image formats with lossy compression, such as `image/jpeg`.
|
|
*
|
|
* @return {this} This WebGL Renderer.
|
|
*/
|
|
snapshotArea: function (x, y, width, height, callback, type, encoderOptions)
|
|
{
|
|
var state = this.snapshotState;
|
|
|
|
state.callback = callback;
|
|
state.type = type;
|
|
state.encoder = encoderOptions;
|
|
state.getPixel = false;
|
|
state.x = x;
|
|
state.y = y;
|
|
state.width = width;
|
|
state.height = height;
|
|
|
|
return this;
|
|
},
|
|
|
|
/**
|
|
* Schedules a snapshot of the given pixel from the game viewport to be taken after the current frame is rendered.
|
|
*
|
|
* To capture the whole game viewport see the `snapshot` method. To capture a specific area, see `snapshotArea`.
|
|
*
|
|
* Only one snapshot can be active _per frame_. If you have already called `snapshotArea`, for example, then
|
|
* calling this method will override it.
|
|
*
|
|
* Unlike the other two snapshot methods, this one will return a `Color` object containing the color data for
|
|
* the requested pixel. It doesn't need to create an internal Canvas or Image object, so is a lot faster to execute,
|
|
* using less memory.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#snapshotPixel
|
|
* @since 3.16.0
|
|
*
|
|
* @param {number} x - The x coordinate of the pixel to get. This is based on the game viewport, not the world.
|
|
* @param {number} y - The y coordinate of the pixel to get. This is based on the game viewport, not the world.
|
|
* @param {Phaser.Types.Renderer.Snapshot.SnapshotCallback} callback - The Function to invoke after the snapshot pixel data is extracted.
|
|
*
|
|
* @return {this} This WebGL Renderer.
|
|
*/
|
|
snapshotPixel: function (x, y, callback)
|
|
{
|
|
this.snapshotArea(x, y, 1, 1, callback);
|
|
|
|
this.snapshotState.getPixel = true;
|
|
|
|
return this;
|
|
},
|
|
|
|
/**
|
|
* Takes a snapshot of the given area of the given frame buffer.
|
|
*
|
|
* Unlike the other snapshot methods, this one is processed immediately and doesn't wait for the next render.
|
|
*
|
|
* Snapshots work by using the WebGL `readPixels` feature to grab every pixel from the frame buffer into an ArrayBufferView.
|
|
* It then parses this, copying the contents to a temporary Canvas and finally creating an Image object from it,
|
|
* which is the image returned to the callback provided. All in all, this is a computationally expensive and blocking process,
|
|
* which gets more expensive the larger the canvas size gets, so please be careful how you employ this in your game.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#snapshotFramebuffer
|
|
* @since 3.19.0
|
|
*
|
|
* @param {WebGLFramebuffer} framebuffer - The framebuffer to grab from.
|
|
* @param {number} bufferWidth - The width of the framebuffer.
|
|
* @param {number} bufferHeight - The height of the framebuffer.
|
|
* @param {Phaser.Types.Renderer.Snapshot.SnapshotCallback} callback - The Function to invoke after the snapshot image is created.
|
|
* @param {boolean} [getPixel=false] - Grab a single pixel as a Color object, or an area as an Image object?
|
|
* @param {number} [x=0] - The x coordinate to grab from. This is based on the framebuffer, not the world.
|
|
* @param {number} [y=0] - The y coordinate to grab from. This is based on the framebuffer, not the world.
|
|
* @param {number} [width=bufferWidth] - The width of the area to grab.
|
|
* @param {number} [height=bufferHeight] - The height of the area to grab.
|
|
* @param {string} [type='image/png'] - The format of the image to create, usually `image/png` or `image/jpeg`.
|
|
* @param {number} [encoderOptions=0.92] - The image quality, between 0 and 1. Used for image formats with lossy compression, such as `image/jpeg`.
|
|
*
|
|
* @return {this} This WebGL Renderer.
|
|
*/
|
|
snapshotFramebuffer: function (framebuffer, bufferWidth, bufferHeight, callback, getPixel, x, y, width, height, type, encoderOptions)
|
|
{
|
|
if (getPixel === undefined) { getPixel = false; }
|
|
if (x === undefined) { x = 0; }
|
|
if (y === undefined) { y = 0; }
|
|
if (width === undefined) { width = bufferWidth; }
|
|
if (height === undefined) { height = bufferHeight; }
|
|
|
|
if (type === 'pixel')
|
|
{
|
|
getPixel = true;
|
|
type = 'image/png';
|
|
}
|
|
|
|
var currentFramebuffer = this.currentFramebuffer;
|
|
|
|
this.snapshotArea(x, y, width, height, callback, type, encoderOptions);
|
|
|
|
var state = this.snapshotState;
|
|
|
|
state.getPixel = getPixel;
|
|
|
|
state.isFramebuffer = true;
|
|
state.bufferWidth = bufferWidth;
|
|
state.bufferHeight = bufferHeight;
|
|
|
|
// Ensure they're not trying to grab an area larger than the framebuffer
|
|
state.width = Math.min(state.width, bufferWidth);
|
|
state.height = Math.min(state.height, bufferHeight);
|
|
|
|
this.setFramebuffer(framebuffer);
|
|
|
|
WebGLSnapshot(this.gl, state);
|
|
|
|
this.setFramebuffer(currentFramebuffer);
|
|
|
|
state.callback = null;
|
|
state.isFramebuffer = false;
|
|
|
|
return this;
|
|
},
|
|
|
|
/**
|
|
* Creates a new WebGL Texture based on the given Canvas Element.
|
|
*
|
|
* If the `dstTexture` parameter is given, the WebGL Texture is updated, rather than created fresh.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#canvasToTexture
|
|
* @since 3.0.0
|
|
*
|
|
* @param {HTMLCanvasElement} srcCanvas - The Canvas to create the WebGL Texture from
|
|
* @param {WebGLTexture} [dstTexture] - The destination WebGL Texture to set.
|
|
* @param {boolean} [noRepeat=false] - Should this canvas be allowed to set `REPEAT` (such as for Text objects?)
|
|
* @param {boolean} [flipY=false] - Should the WebGL Texture set `UNPACK_MULTIPLY_FLIP_Y`?
|
|
*
|
|
* @return {WebGLTexture} The newly created, or updated, WebGL Texture.
|
|
*/
|
|
canvasToTexture: function (srcCanvas, dstTexture, noRepeat, flipY)
|
|
{
|
|
if (noRepeat === undefined) { noRepeat = false; }
|
|
if (flipY === undefined) { flipY = false; }
|
|
|
|
if (!dstTexture)
|
|
{
|
|
return this.createCanvasTexture(srcCanvas, noRepeat, flipY);
|
|
}
|
|
else
|
|
{
|
|
return this.updateCanvasTexture(srcCanvas, dstTexture, flipY);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Creates a new WebGL Texture based on the given Canvas Element.
|
|
*
|
|
* @method Phaser.Renderer.WebGL.WebGLRenderer#createCanvasTexture
|
|
* @since 3.20.0
|
|
*
|
|
* @param {HTMLCanvasElement} srcCanvas - The Canvas to create the WebGL Texture from.
|
|
* @param {boolean} [noRepeat=false] - Should this canvas be allowed to set `REPEAT` (such as for Text objects?)
|
|
* @param {boolean} [flipY=false] - Should the WebGL Texture set `UNPACK_MULTIPLY_FLIP_Y`?
|
|
*
|
|
* @return {WebGLTexture} The newly created WebGL Texture.
|
|
*/
|
|
createCanvasTexture: function (srcCanvas, noRepeat, flipY)
|
|
{
|
|
if (noRepeat === undefined) { noRepeat = false; }
|
|
if (flipY === undefined) { flipY = false; }
|
|
|
|
var gl = this.gl;
|
|
var minFilter = gl.NEAREST;
|
|
var magFilter = gl.NEAREST;
|
|
|
|
var width = srcCanvas.width;
|
|
var height = srcCanvas.height;
|
|
|
|
var wrapping = gl.CLAMP_TO_EDGE;
|
|
|
|
var pow = IsSizePowerOfTwo(width, height);
|
|
|
|
if (!noRepeat && pow)
|
|
{
|
|
wrapping = gl.REPEAT;
|
|
}
|
|
|
|
if (this.config.antialias)
|
|
{
|
|
minFilter = (pow && this.mipmapFilter) ? this.mipmapFilter : gl.LINEAR;
|
|
magFilter = gl.LINEAR;
|
|
}
|
|
|
|
return this.createTexture2D(0, minFilter, magFilter, wrapping, wrapping, gl.RGBA, srcCanvas, width, height, true, false, flipY);
|
|
},
|
|
|
|
/**
|
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* Updates a WebGL Texture based on the given Canvas Element.
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*
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* @method Phaser.Renderer.WebGL.WebGLRenderer#updateCanvasTexture
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* @since 3.20.0
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*
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* @param {HTMLCanvasElement} srcCanvas - The Canvas to update the WebGL Texture from.
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* @param {WebGLTexture} dstTexture - The destination WebGL Texture to update.
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* @param {boolean} [flipY=false] - Should the WebGL Texture set `UNPACK_MULTIPLY_FLIP_Y`?
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*
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* @return {WebGLTexture} The updated WebGL Texture.
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*/
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updateCanvasTexture: function (srcCanvas, dstTexture, flipY)
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{
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if (flipY === undefined) { flipY = false; }
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var gl = this.gl;
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var width = srcCanvas.width;
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var height = srcCanvas.height;
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if (width > 0 && height > 0)
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{
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gl.activeTexture(gl.TEXTURE0);
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var currentTexture = gl.getParameter(gl.TEXTURE_BINDING_2D);
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gl.bindTexture(gl.TEXTURE_2D, dstTexture);
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if (flipY)
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{
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gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, true);
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}
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gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, true);
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gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, srcCanvas);
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dstTexture.width = width;
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dstTexture.height = height;
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if (currentTexture)
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{
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gl.bindTexture(gl.TEXTURE_2D, currentTexture);
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}
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}
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return dstTexture;
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},
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/**
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* Creates a new WebGL Texture based on the given HTML Video Element.
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*
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* @method Phaser.Renderer.WebGL.WebGLRenderer#createVideoTexture
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* @since 3.20.0
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*
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* @param {HTMLVideoElement} srcVideo - The Video to create the WebGL Texture from
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* @param {boolean} [noRepeat=false] - Should this canvas be allowed to set `REPEAT`?
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* @param {boolean} [flipY=false] - Should the WebGL Texture set `UNPACK_MULTIPLY_FLIP_Y`?
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*
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* @return {WebGLTexture} The newly created WebGL Texture.
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*/
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createVideoTexture: function (srcVideo, noRepeat, flipY)
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{
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if (noRepeat === undefined) { noRepeat = false; }
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if (flipY === undefined) { flipY = false; }
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var gl = this.gl;
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var minFilter = gl.NEAREST;
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var magFilter = gl.NEAREST;
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var width = srcVideo.videoWidth;
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var height = srcVideo.videoHeight;
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var wrapping = gl.CLAMP_TO_EDGE;
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var pow = IsSizePowerOfTwo(width, height);
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if (!noRepeat && pow)
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{
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wrapping = gl.REPEAT;
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}
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if (this.config.antialias)
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{
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minFilter = (pow && this.mipmapFilter) ? this.mipmapFilter : gl.LINEAR;
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magFilter = gl.LINEAR;
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}
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return this.createTexture2D(0, minFilter, magFilter, wrapping, wrapping, gl.RGBA, srcVideo, width, height, true, true, flipY);
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},
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/**
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* Updates a WebGL Texture based on the given HTML Video Element.
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*
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* @method Phaser.Renderer.WebGL.WebGLRenderer#updateVideoTexture
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* @since 3.20.0
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*
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* @param {HTMLVideoElement} srcVideo - The Video to update the WebGL Texture with.
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* @param {WebGLTexture} dstTexture - The destination WebGL Texture to update.
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* @param {boolean} [flipY=false] - Should the WebGL Texture set `UNPACK_MULTIPLY_FLIP_Y`?
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*
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* @return {WebGLTexture} The updated WebGL Texture.
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*/
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updateVideoTexture: function (srcVideo, dstTexture, flipY)
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{
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if (flipY === undefined) { flipY = false; }
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var gl = this.gl;
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var width = srcVideo.videoWidth;
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var height = srcVideo.videoHeight;
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if (width > 0 && height > 0)
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{
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gl.activeTexture(gl.TEXTURE0);
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var currentTexture = gl.getParameter(gl.TEXTURE_BINDING_2D);
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gl.bindTexture(gl.TEXTURE_2D, dstTexture);
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gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, flipY);
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gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, srcVideo);
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dstTexture.width = width;
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dstTexture.height = height;
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if (currentTexture)
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{
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gl.bindTexture(gl.TEXTURE_2D, currentTexture);
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}
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}
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return dstTexture;
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},
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/**
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* Sets the minification and magnification filter for a texture.
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*
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* @method Phaser.Renderer.WebGL.WebGLRenderer#setTextureFilter
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* @since 3.0.0
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*
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* @param {number} texture - The texture to set the filter for.
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* @param {number} filter - The filter to set. 0 for linear filtering, 1 for nearest neighbor (blocky) filtering.
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*
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* @return {this} This WebGL Renderer instance.
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*/
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setTextureFilter: function (texture, filter)
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{
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var gl = this.gl;
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var glFilter = [ gl.LINEAR, gl.NEAREST ][filter];
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gl.activeTexture(gl.TEXTURE0);
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var currentTexture = gl.getParameter(gl.TEXTURE_BINDING_2D);
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gl.bindTexture(gl.TEXTURE_2D, texture);
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gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, glFilter);
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gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, glFilter);
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if (currentTexture)
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{
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gl.bindTexture(gl.TEXTURE_2D, currentTexture);
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}
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return this;
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},
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/**
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* Returns the largest texture size (either width or height) that can be created.
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* Note that VRAM may not allow a texture of any given size, it just expresses
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* hardware / driver support for a given size.
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*
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* @method Phaser.Renderer.WebGL.WebGLRenderer#getMaxTextureSize
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* @since 3.8.0
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*
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* @return {number} The maximum supported texture size.
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*/
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getMaxTextureSize: function ()
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{
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return this.config.maxTextureSize;
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},
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/**
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* Destroy this WebGLRenderer, cleaning up all related resources such as pipelines, native textures, etc.
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*
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* @method Phaser.Renderer.WebGL.WebGLRenderer#destroy
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* @since 3.0.0
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*/
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destroy: function ()
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{
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this.canvas.removeEventListener('webglcontextlost', this.contextLostHandler, false);
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this.maskTarget.destroy();
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this.maskSource.destroy();
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this.pipelines.destroy();
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this.removeAllListeners();
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this.fboStack = [];
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this.maskStack = [];
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this.extensions = {};
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this.textureIndexes = [];
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this.gl = null;
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this.game = null;
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this.canvas = null;
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this.contextLost = true;
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this.currentMask = null;
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this.currentCameraMask = null;
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}
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});
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module.exports = WebGLRenderer;
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