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Added { willReadFrequently } to every canvas context, no matter where it comes from

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This commit is contained in:
Richard Davey 2023-03-09 17:30:04 +00:00
parent f3028118d3
commit c8acb16fa7
9 changed files with 61 additions and 60 deletions
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10
src/create/GenerateTexture.js
View file

@ -10,7 +10,7 @@ var GetValue = require('../utils/object/GetValue');
/** /**
* Generates a texture based on the given Create configuration object. * Generates a texture based on the given Create configuration object.
* *
* The texture is drawn using a fixed-size indexed palette of 16 colors, where the hex value in the * The texture is drawn using a fixed-size indexed palette of 16 colors, where the hex value in the
* data cells map to a single color. For example, if the texture config looked like this: * data cells map to a single color. For example, if the texture config looked like this:
* *
@ -29,14 +29,14 @@ var GetValue = require('../utils/object/GetValue');
* '.27887.78872.', * '.27887.78872.',
* '.787.....787.' * '.787.....787.'
* ]; * ];
* *
* this.textures.generate('star', { data: star, pixelWidth: 4 }); * this.textures.generate('star', { data: star, pixelWidth: 4 });
* ``` * ```
* *
* Then it would generate a texture that is 52 x 48 pixels in size, because each cell of the data array * Then it would generate a texture that is 52 x 48 pixels in size, because each cell of the data array
* represents 1 pixel multiplied by the `pixelWidth` value. The cell values, such as `8`, maps to color * represents 1 pixel multiplied by the `pixelWidth` value. The cell values, such as `8`, maps to color
* number 8 in the palette. If a cell contains a period character `.` then it is transparent. * number 8 in the palette. If a cell contains a period character `.` then it is transparent.
* *
* The default palette is Arne16, but you can specify your own using the `palette` property. * The default palette is Arne16, but you can specify your own using the `palette` property.
* *
* @function Phaser.Create.GenerateTexture * @function Phaser.Create.GenerateTexture
@ -74,7 +74,7 @@ var GenerateTexture = function (config)
canvas.height = height; canvas.height = height;
} }
var ctx = canvas.getContext('2d'); var ctx = canvas.getContext('2d', { willReadFrequently: true });
if (clearCanvas) if (clearCanvas)
{ {

2
src/display/canvas/CanvasPool.js
View file

@ -82,7 +82,7 @@ var CanvasPool = function ()
if (_disableContextSmoothing && canvasType === CONST.CANVAS) if (_disableContextSmoothing && canvasType === CONST.CANVAS)
{ {
Smoothing.disable(canvas.getContext('2d')); Smoothing.disable(canvas.getContext('2d', { willReadFrequently: false }));
} }
return canvas; return canvas;

19
src/gameobjects/graphics/Graphics.js
View file

@ -762,7 +762,7 @@ var Graphics = new Class({
var tr = radius; var tr = radius;
var bl = radius; var bl = radius;
var br = radius; var br = radius;
var maxRadius = Math.min(width, height) / 2; var maxRadius = Math.min(width, height) / 2;
if (typeof radius !== 'number') if (typeof radius !== 'number')
@ -772,7 +772,7 @@ var Graphics = new Class({
bl = GetFastValue(radius, 'bl', 20); bl = GetFastValue(radius, 'bl', 20);
br = GetFastValue(radius, 'br', 20); br = GetFastValue(radius, 'br', 20);
} }
var convexTL = (tl >= 0); var convexTL = (tl >= 0);
var convexTR = (tr >= 0); var convexTR = (tr >= 0);
var convexBL = (bl >= 0); var convexBL = (bl >= 0);
@ -782,12 +782,12 @@ var Graphics = new Class({
tr = Math.min(Math.abs(tr), maxRadius); tr = Math.min(Math.abs(tr), maxRadius);
bl = Math.min(Math.abs(bl), maxRadius); bl = Math.min(Math.abs(bl), maxRadius);
br = Math.min(Math.abs(br), maxRadius); br = Math.min(Math.abs(br), maxRadius);
this.beginPath(); this.beginPath();
this.moveTo(x + tl, y); this.moveTo(x + tl, y);
this.lineTo(x + width - tr, y); this.lineTo(x + width - tr, y);
this.moveTo(x + width - tr, y); this.moveTo(x + width - tr, y);
if (convexTR) if (convexTR)
{ {
this.arc(x + width - tr, y + tr, tr, -MATH_CONST.TAU, 0); this.arc(x + width - tr, y + tr, tr, -MATH_CONST.TAU, 0);
@ -796,7 +796,7 @@ var Graphics = new Class({
{ {
this.arc(x + width, y, tr, Math.PI, MATH_CONST.TAU, true); this.arc(x + width, y, tr, Math.PI, MATH_CONST.TAU, true);
} }
this.lineTo(x + width, y + height - br); this.lineTo(x + width, y + height - br);
this.moveTo(x + width, y + height - br); this.moveTo(x + width, y + height - br);
@ -808,7 +808,7 @@ var Graphics = new Class({
{ {
this.arc(x + width, y + height, br, -MATH_CONST.TAU, Math.PI, true); this.arc(x + width, y + height, br, -MATH_CONST.TAU, Math.PI, true);
} }
this.lineTo(x + bl, y + height); this.lineTo(x + bl, y + height);
this.moveTo(x + bl, y + height); this.moveTo(x + bl, y + height);
@ -1498,6 +1498,7 @@ var Graphics = new Class({
var texture; var texture;
var ctx; var ctx;
var willRead = { willReadFrequently: true };
if (typeof key === 'string') if (typeof key === 'string')
{ {
@ -1511,7 +1512,7 @@ var Graphics = new Class({
if (src instanceof HTMLCanvasElement) if (src instanceof HTMLCanvasElement)
{ {
ctx = src.getContext('2d'); ctx = src.getContext('2d', willRead);
} }
} }
else else
@ -1520,14 +1521,14 @@ var Graphics = new Class({
texture = sys.textures.createCanvas(key, width, height); texture = sys.textures.createCanvas(key, width, height);
ctx = texture.getSourceImage().getContext('2d'); ctx = texture.getSourceImage().getContext('2d', willRead);
} }
} }
else if (key instanceof HTMLCanvasElement) else if (key instanceof HTMLCanvasElement)
{ {
// Key is a Canvas, so draw to it // Key is a Canvas, so draw to it
ctx = key.getContext('2d'); ctx = key.getContext('2d', willRead);
} }
if (ctx) if (ctx)

2
src/gameobjects/text/Text.js
View file

@ -144,7 +144,7 @@ var Text = new Class({
* @type {CanvasRenderingContext2D} * @type {CanvasRenderingContext2D}
* @since 3.0.0 * @since 3.0.0
*/ */
this.context = this.canvas.getContext('2d'); this.context = this.canvas.getContext('2d', { willReadFrequently: true });
/** /**
* The Text Style object. * The Text Style object.

4
src/gameobjects/tilesprite/TileSprite.js
View file

@ -187,7 +187,7 @@ var TileSprite = new Class({
* @type {CanvasRenderingContext2D} * @type {CanvasRenderingContext2D}
* @since 3.12.0 * @since 3.12.0
*/ */
this.context = this.canvas.getContext('2d'); this.context = this.canvas.getContext('2d', { willReadFrequently: false });
/** /**
* The Texture the TileSprite is using as its fill pattern. * The Texture the TileSprite is using as its fill pattern.
@ -272,7 +272,7 @@ var TileSprite = new Class({
* @type {CanvasRenderingContext2D} * @type {CanvasRenderingContext2D}
* @since 3.12.0 * @since 3.12.0
*/ */
this.fillContext = this.fillCanvas.getContext('2d'); this.fillContext = this.fillCanvas.getContext('2d', { willReadFrequently: false });
/** /**
* The texture that the Tile Sprite is rendered to, which is then rendered to a Scene. * The texture that the Tile Sprite is rendered to, which is then rendered to a Scene.

76
src/physics/matter-js/lib/render/Render.js
View file

@ -19,16 +19,16 @@ var Vector = require('../geometry/Vector');
// var Mouse = require('../core/Mouse'); // var Mouse = require('../core/Mouse');
(function() { (function() {
var _requestAnimationFrame, var _requestAnimationFrame,
_cancelAnimationFrame; _cancelAnimationFrame;
if (typeof window !== 'undefined') { if (typeof window !== 'undefined') {
_requestAnimationFrame = window.requestAnimationFrame || window.webkitRequestAnimationFrame _requestAnimationFrame = window.requestAnimationFrame || window.webkitRequestAnimationFrame
|| window.mozRequestAnimationFrame || window.msRequestAnimationFrame || window.mozRequestAnimationFrame || window.msRequestAnimationFrame
|| function(callback){ window.setTimeout(function() { callback(Common.now()); }, 1000 / 60); }; || function(callback){ window.setTimeout(function() { callback(Common.now()); }, 1000 / 60); };
_cancelAnimationFrame = window.cancelAnimationFrame || window.mozCancelAnimationFrame _cancelAnimationFrame = window.cancelAnimationFrame || window.mozCancelAnimationFrame
|| window.webkitCancelAnimationFrame || window.msCancelAnimationFrame; || window.webkitCancelAnimationFrame || window.msCancelAnimationFrame;
} }
@ -86,15 +86,15 @@ var Vector = require('../geometry/Vector');
render.mouse = options.mouse; render.mouse = options.mouse;
render.engine = options.engine; render.engine = options.engine;
render.canvas = render.canvas || _createCanvas(render.options.width, render.options.height); render.canvas = render.canvas || _createCanvas(render.options.width, render.options.height);
render.context = render.canvas.getContext('2d'); render.context = render.canvas.getContext('2d', { willReadFrequently: true });
render.textures = {}; render.textures = {};
render.bounds = render.bounds || { render.bounds = render.bounds || {
min: { min: {
x: 0, x: 0,
y: 0 y: 0
}, },
max: { max: {
x: render.canvas.width, x: render.canvas.width,
y: render.canvas.height y: render.canvas.height
} }
@ -188,19 +188,19 @@ var Vector = require('../geometry/Vector');
for (var i = 0; i < objects.length; i += 1) { for (var i = 0; i < objects.length; i += 1) {
var object = objects[i], var object = objects[i],
min = object.bounds ? object.bounds.min : (object.min || object.position || object), min = object.bounds ? object.bounds.min : (object.min || object.position || object),
max = object.bounds ? object.bounds.max : (object.max || object.position || object); max = object.bounds ? object.bounds.max : (object.max || object.position || object);
if (min && max) { if (min && max) {
if (min.x < bounds.min.x) if (min.x < bounds.min.x)
bounds.min.x = min.x; bounds.min.x = min.x;
if (max.x > bounds.max.x) if (max.x > bounds.max.x)
bounds.max.x = max.x; bounds.max.x = max.x;
if (min.y < bounds.min.y) if (min.y < bounds.min.y)
bounds.min.y = min.y; bounds.min.y = min.y;
if (max.y > bounds.max.y) if (max.y > bounds.max.y)
bounds.max.y = max.y; bounds.max.y = max.y;
} }
} }
@ -375,7 +375,7 @@ var Vector = require('../geometry/Vector');
if (options.showAxes || options.showAngleIndicator) if (options.showAxes || options.showAngleIndicator)
Render.bodyAxes(render, bodies, context); Render.bodyAxes(render, bodies, context);
if (options.showPositions) if (options.showPositions)
Render.bodyPositions(render, bodies, context); Render.bodyPositions(render, bodies, context);
@ -456,7 +456,7 @@ var Vector = require('../geometry/Vector');
text += "mid: " + metrics.midEff + space; text += "mid: " + metrics.midEff + space;
text += "narrow: " + metrics.narrowEff + space; text += "narrow: " + metrics.narrowEff + space;
} }
// @endif // @endif
render.debugString = text; render.debugString = text;
render.debugTimestamp = engine.timing.timestamp; render.debugTimestamp = engine.timing.timestamp;
@ -555,7 +555,7 @@ var Vector = require('../geometry/Vector');
} }
} }
}; };
/** /**
* Description * Description
* @private * @private
@ -647,20 +647,20 @@ var Vector = require('../geometry/Vector');
var sprite = part.render.sprite, var sprite = part.render.sprite,
texture = _getTexture(render, sprite.texture); texture = _getTexture(render, sprite.texture);
c.translate(part.position.x, part.position.y); c.translate(part.position.x, part.position.y);
c.rotate(part.angle); c.rotate(part.angle);
c.drawImage( c.drawImage(
texture, texture,
texture.width * -sprite.xOffset * sprite.xScale, texture.width * -sprite.xOffset * sprite.xScale,
texture.height * -sprite.yOffset * sprite.yScale, texture.height * -sprite.yOffset * sprite.yScale,
texture.width * sprite.xScale, texture.width * sprite.xScale,
texture.height * sprite.yScale texture.height * sprite.yScale
); );
// revert translation, hopefully faster than save / restore // revert translation, hopefully faster than save / restore
c.rotate(-part.angle); c.rotate(-part.angle);
c.translate(-part.position.x, -part.position.y); c.translate(-part.position.x, -part.position.y);
} else { } else {
// part polygon // part polygon
if (part.circleRadius) { if (part.circleRadius) {
@ -681,7 +681,7 @@ var Vector = require('../geometry/Vector');
c.moveTo(part.vertices[(j + 1) % part.vertices.length].x, part.vertices[(j + 1) % part.vertices.length].y); c.moveTo(part.vertices[(j + 1) % part.vertices.length].x, part.vertices[(j + 1) % part.vertices.length].y);
} }
} }
c.lineTo(part.vertices[0].x, part.vertices[0].y); c.lineTo(part.vertices[0].x, part.vertices[0].y);
c.closePath(); c.closePath();
} }
@ -751,7 +751,7 @@ var Vector = require('../geometry/Vector');
c.moveTo(part.vertices[(j + 1) % part.vertices.length].x, part.vertices[(j + 1) % part.vertices.length].y); c.moveTo(part.vertices[(j + 1) % part.vertices.length].x, part.vertices[(j + 1) % part.vertices.length].y);
} }
} }
c.lineTo(part.vertices[0].x, part.vertices[0].y); c.lineTo(part.vertices[0].x, part.vertices[0].y);
} }
} }
@ -791,7 +791,7 @@ var Vector = require('../geometry/Vector');
for (j = 1; j < body.vertices.length; j++) { for (j = 1; j < body.vertices.length; j++) {
c.lineTo(body.vertices[j].x, body.vertices[j].y); c.lineTo(body.vertices[j].x, body.vertices[j].y);
} }
c.lineTo(body.vertices[0].x, body.vertices[0].y); c.lineTo(body.vertices[0].x, body.vertices[0].y);
} }
@ -919,7 +919,7 @@ var Vector = require('../geometry/Vector');
for (k = 0; k < part.axes.length; k++) { for (k = 0; k < part.axes.length; k++) {
// render a single axis indicator // render a single axis indicator
c.moveTo(part.position.x, part.position.y); c.moveTo(part.position.x, part.position.y);
c.lineTo((part.vertices[0].x + part.vertices[part.vertices.length-1].x) / 2, c.lineTo((part.vertices[0].x + part.vertices[part.vertices.length-1].x) / 2,
(part.vertices[0].y + part.vertices[part.vertices.length-1].y) / 2); (part.vertices[0].y + part.vertices[part.vertices.length-1].y) / 2);
} }
} }
@ -1094,7 +1094,7 @@ var Vector = require('../geometry/Vector');
c.fill(); c.fill();
c.beginPath(); c.beginPath();
// render collision normals // render collision normals
for (i = 0; i < pairs.length; i++) { for (i = 0; i < pairs.length; i++) {
pair = pairs[i]; pair = pairs[i];
@ -1112,7 +1112,7 @@ var Vector = require('../geometry/Vector');
normalPosX = (pair.activeContacts[0].vertex.x + pair.activeContacts[1].vertex.x) / 2; normalPosX = (pair.activeContacts[0].vertex.x + pair.activeContacts[1].vertex.x) / 2;
normalPosY = (pair.activeContacts[0].vertex.y + pair.activeContacts[1].vertex.y) / 2; normalPosY = (pair.activeContacts[0].vertex.y + pair.activeContacts[1].vertex.y) / 2;
} }
if (collision.bodyB === collision.supports[0].body || collision.bodyA.isStatic === true) { if (collision.bodyB === collision.supports[0].body || collision.bodyA.isStatic === true) {
c.moveTo(normalPosX - collision.normal.x * 8, normalPosY - collision.normal.y * 8); c.moveTo(normalPosX - collision.normal.x * 8, normalPosY - collision.normal.y * 8);
} else { } else {
@ -1219,9 +1219,9 @@ var Vector = require('../geometry/Vector');
continue; continue;
var region = bucketId.split(/C|R/); var region = bucketId.split(/C|R/);
c.rect(0.5 + parseInt(region[1], 10) * grid.bucketWidth, c.rect(0.5 + parseInt(region[1], 10) * grid.bucketWidth,
0.5 + parseInt(region[2], 10) * grid.bucketHeight, 0.5 + parseInt(region[2], 10) * grid.bucketHeight,
grid.bucketWidth, grid.bucketWidth,
grid.bucketHeight); grid.bucketHeight);
} }
@ -1248,7 +1248,7 @@ var Vector = require('../geometry/Vector');
boundsHeight = render.bounds.max.y - render.bounds.min.y, boundsHeight = render.bounds.max.y - render.bounds.min.y,
boundsScaleX = boundsWidth / render.options.width, boundsScaleX = boundsWidth / render.options.width,
boundsScaleY = boundsHeight / render.options.height; boundsScaleY = boundsHeight / render.options.height;
context.scale(1 / boundsScaleX, 1 / boundsScaleY); context.scale(1 / boundsScaleX, 1 / boundsScaleY);
context.translate(-render.bounds.min.x, -render.bounds.min.y); context.translate(-render.bounds.min.x, -render.bounds.min.y);
} }
@ -1268,7 +1268,7 @@ var Vector = require('../geometry/Vector');
// render body selections // render body selections
bounds = item.bounds; bounds = item.bounds;
context.beginPath(); context.beginPath();
context.rect(Math.floor(bounds.min.x - 3), Math.floor(bounds.min.y - 3), context.rect(Math.floor(bounds.min.x - 3), Math.floor(bounds.min.y - 3),
Math.floor(bounds.max.x - bounds.min.x + 6), Math.floor(bounds.max.y - bounds.min.y + 6)); Math.floor(bounds.max.x - bounds.min.x + 6), Math.floor(bounds.max.y - bounds.min.y + 6));
context.closePath(); context.closePath();
context.stroke(); context.stroke();
@ -1302,7 +1302,7 @@ var Vector = require('../geometry/Vector');
context.fillStyle = 'rgba(255,165,0,0.1)'; context.fillStyle = 'rgba(255,165,0,0.1)';
bounds = inspector.selectBounds; bounds = inspector.selectBounds;
context.beginPath(); context.beginPath();
context.rect(Math.floor(bounds.min.x), Math.floor(bounds.min.y), context.rect(Math.floor(bounds.min.x), Math.floor(bounds.min.y),
Math.floor(bounds.max.x - bounds.min.x), Math.floor(bounds.max.y - bounds.min.y)); Math.floor(bounds.max.x - bounds.min.x), Math.floor(bounds.max.y - bounds.min.y));
context.closePath(); context.closePath();
context.stroke(); context.stroke();
@ -1339,7 +1339,7 @@ var Vector = require('../geometry/Vector');
* @return {Number} pixel ratio * @return {Number} pixel ratio
*/ */
var _getPixelRatio = function(canvas) { var _getPixelRatio = function(canvas) {
var context = canvas.getContext('2d'), var context = canvas.getContext('2d', { willReadFrequently: true }),
devicePixelRatio = window.devicePixelRatio || 1, devicePixelRatio = window.devicePixelRatio || 1,
backingStorePixelRatio = context.webkitBackingStorePixelRatio || context.mozBackingStorePixelRatio backingStorePixelRatio = context.webkitBackingStorePixelRatio || context.mozBackingStorePixelRatio
|| context.msBackingStorePixelRatio || context.oBackingStorePixelRatio || context.msBackingStorePixelRatio || context.oBackingStorePixelRatio
@ -1480,7 +1480,7 @@ var Vector = require('../geometry/Vector');
*/ */
/** /**
* A `Bounds` object that specifies the drawing view region. * A `Bounds` object that specifies the drawing view region.
* Rendering will be automatically transformed and scaled to fit within the canvas size (`render.options.width` and `render.options.height`). * Rendering will be automatically transformed and scaled to fit within the canvas size (`render.options.width` and `render.options.height`).
* This allows for creating views that can pan or zoom around the scene. * This allows for creating views that can pan or zoom around the scene.
* You must also set `render.options.hasBounds` to `true` to enable bounded rendering. * You must also set `render.options.hasBounds` to `true` to enable bounded rendering.

4
src/renderer/snapshot/CanvasSnapshot.js
View file

@ -33,7 +33,7 @@ var CanvasSnapshot = function (canvas, config)
if (getPixel) if (getPixel)
{ {
var context = canvas.getContext('2d'); var context = canvas.getContext('2d', { willReadFrequently: false });
var imageData = context.getImageData(x, y, 1, 1); var imageData = context.getImageData(x, y, 1, 1);
var data = imageData.data; var data = imageData.data;
@ -43,7 +43,7 @@ var CanvasSnapshot = function (canvas, config)
{ {
// Area Grab // Area Grab
var copyCanvas = CanvasPool.createWebGL(this, width, height); var copyCanvas = CanvasPool.createWebGL(this, width, height);
var ctx = copyCanvas.getContext('2d'); var ctx = copyCanvas.getContext('2d', { willReadFrequently: true });
if (width > 0 && height > 0) if (width > 0 && height > 0)
{ {

2
src/textures/DynamicTexture.js
View file

@ -127,7 +127,7 @@ var DynamicTexture = new Class({
* @type {CanvasRenderingContext2D} * @type {CanvasRenderingContext2D}
* @since 3.7.0 * @since 3.7.0
*/ */
this.context = (isCanvas) ? source.getContext('2d') : null; this.context = (isCanvas) ? source.getContext('2d', { willReadFrequently: true }) : null;
/** /**
* Is this Dynamic Texture dirty or not? If not it won't spend time clearing or filling itself. * Is this Dynamic Texture dirty or not? If not it won't spend time clearing or filling itself.

2
src/textures/TextureManager.js
View file

@ -397,7 +397,7 @@ var TextureManager = new Class({
var cd = textureFrame.canvasData; var cd = textureFrame.canvasData;
var canvas = CanvasPool.create2D(this, cd.width, cd.height); var canvas = CanvasPool.create2D(this, cd.width, cd.height);
var ctx = canvas.getContext('2d'); var ctx = canvas.getContext('2d', { willReadFrequently: true });
if (cd.width > 0 && cd.height > 0) if (cd.width > 0 && cd.height > 0)
{ {