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Added Game Object type look ahead and state for custom batching.

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This commit is contained in:
Richard Davey 2019-07-16 17:41:08 +01:00
parent 240b849917
commit 630382e88d
1 changed files with 56 additions and 0 deletions
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56
src/renderer/webgl/WebGLRenderer.js
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@ -479,6 +479,36 @@ var WebGLRenderer = new Class({
*/
this.glFuncMap = null;
/**
* The `type` of the Game Object being currently rendered.
* This can be used by advanced render functions for batching look-ahead.
*
* @name Phaser.Renderer.WebGL.WebGLRenderer#currentType
* @type {string}
* @since 3.19.0
*/
this.currentType = '';
/**
* Is the `type` of the Game Object being currently rendered different than the
* type of the object before it in the display list? I.e. it's a 'new' type.
*
* @name Phaser.Renderer.WebGL.WebGLRenderer#newType
* @type {boolean}
* @since 3.19.0
*/
this.newType = false;
/**
* Does the `type` of the next Game Object in the display list match that
* of the object being currently rendered?
*
* @name Phaser.Renderer.WebGL.WebGLRenderer#nextTypeMatch
* @type {boolean}
* @since 3.19.0
*/
this.nextTypeMatch = false;
this.init(this.config);
},
@ -2007,6 +2037,20 @@ var WebGLRenderer = new Class({
// 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++)
@ -2038,7 +2082,19 @@ var WebGLRenderer = new Class({
mask.preRenderWebGL(this, child, camera);
}
var type = child.type;
if (type !== this.currentType)
{
this.newType = true;
this.currentType = type;
}
this.nextTypeMatch = (i < childCount - 1) ? (list[i + 1].type === this.currentType) : false;
child.renderWebGL(this, child, interpolationPercentage, camera);
this.newType = false;
}
current = this.currentMask;