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New clearMask and createMask methods and tidied up structure

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This commit is contained in:
Richard Davey 2020-09-23 17:59:17 +01:00
parent c6f533b872
commit 5f28ff64a2
1 changed files with 67 additions and 43 deletions
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110
src/display/mask/BitmapMask.js
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@ -146,36 +146,73 @@ var BitmapMask = new Class({
*/
this.isStencil = false;
if (renderer && renderer.gl)
this.createMask();
scene.sys.game.events.on(GameEvents.CONTEXT_RESTORED, this.createMask, this);
},
/**
* Creates the WebGL Texture2D objects and Framebuffers required for this
* mask. If this mask has already been created, then `clearMask` is called first.
*
* @method Phaser.Display.Masks.BitmapMask#createMask
* @since 3.50.0
*/
createMask: function ()
{
var renderer = this.renderer;
if (!renderer.gl)
{
var width = renderer.width;
var height = renderer.height;
var pot = ((width & (width - 1)) === 0 && (height & (height - 1)) === 0);
var gl = renderer.gl;
var wrap = pot ? gl.REPEAT : gl.CLAMP_TO_EDGE;
var filter = gl.LINEAR;
this.mainTexture = renderer.createTexture2D(0, filter, filter, wrap, wrap, gl.RGBA, null, width, height);
this.maskTexture = renderer.createTexture2D(0, filter, filter, wrap, wrap, gl.RGBA, null, width, height);
this.mainFramebuffer = renderer.createFramebuffer(width, height, this.mainTexture, true);
this.maskFramebuffer = renderer.createFramebuffer(width, height, this.maskTexture, true);
scene.sys.game.events.on(GameEvents.CONTEXT_RESTORED, function (renderer)
{
var width = renderer.width;
var height = renderer.height;
var pot = ((width & (width - 1)) === 0 && (height & (height - 1)) === 0);
var gl = renderer.gl;
var wrap = pot ? gl.REPEAT : gl.CLAMP_TO_EDGE;
var filter = gl.LINEAR;
this.mainTexture = renderer.createTexture2D(0, filter, filter, wrap, wrap, gl.RGBA, null, width, height);
this.maskTexture = renderer.createTexture2D(0, filter, filter, wrap, wrap, gl.RGBA, null, width, height);
this.mainFramebuffer = renderer.createFramebuffer(width, height, this.mainTexture, true);
this.maskFramebuffer = renderer.createFramebuffer(width, height, this.maskTexture, true);
}, this);
return;
}
if (this.mainTexture)
{
this.clearMask();
}
var width = renderer.width;
var height = renderer.height;
var pot = ((width & (width - 1)) === 0 && (height & (height - 1)) === 0);
var gl = renderer.gl;
var wrap = pot ? gl.REPEAT : gl.CLAMP_TO_EDGE;
var filter = gl.LINEAR;
this.mainTexture = renderer.createTexture2D(0, filter, filter, wrap, wrap, gl.RGBA, null, width, height);
this.maskTexture = renderer.createTexture2D(0, filter, filter, wrap, wrap, gl.RGBA, null, width, height);
this.mainFramebuffer = renderer.createFramebuffer(width, height, this.mainTexture, true);
this.maskFramebuffer = renderer.createFramebuffer(width, height, this.maskTexture, true);
},
/**
* Deletes the `mainTexture` and `maskTexture` WebGL Textures and deletes
* the `mainFramebuffer` and `maskFramebuffer` too, nulling all references.
*
* This is called when this mask is destroyed, or if you try to creat a new
* mask from this object when one is already set.
*
* @method Phaser.Display.Masks.BitmapMask#clearMask
* @since 3.50.0
*/
clearMask: function ()
{
var renderer = this.renderer;
if (!renderer.gl || !this.mainTexture)
{
return;
}
renderer.deleteTexture(this.mainTexture);
renderer.deleteTexture(this.maskTexture);
renderer.deleteFramebuffer(this.mainFramebuffer);
renderer.deleteFramebuffer(this.maskFramebuffer);
this.mainTexture = null;
this.maskTexture = null;
this.mainFramebuffer = null;
this.maskFramebuffer = null;
},
/**
@ -262,22 +299,9 @@ var BitmapMask = new Class({
*/
destroy: function ()
{
this.clearMask();
this.bitmapMask = null;
var renderer = this.renderer;
if (renderer && renderer.gl)
{
renderer.deleteTexture(this.mainTexture);
renderer.deleteTexture(this.maskTexture);
renderer.deleteFramebuffer(this.mainFramebuffer);
renderer.deleteFramebuffer(this.maskFramebuffer);
}
this.mainTexture = null;
this.maskTexture = null;
this.mainFramebuffer = null;
this.maskFramebuffer = null;
this.prevFramebuffer = null;
this.renderer = null;
}