laya-coreui-es
Version:
laya核心库、ui库es版本，剔除了媒体、TTF等功能。基于 LayaAir-release_2.12.0 修改
105 lines (104 loc) • 4.23 kB
JavaScript
import { Matrix } from "../../maths/Matrix";
import { SubmitBase } from "../submit/SubmitBase";
import { MeshQuadTexture } from "../utils/MeshQuadTexture";
import { MeshTexture } from "../utils/MeshTexture";
import { MeshVG } from "../utils/MeshVG";
export class WebGLCacheAsNormalCanvas {
constructor(ctx, sp) {
this.submitStartPos = 0;
this.submitEndPos = 0;
this.touches = [];
this.submits = [];
this.sprite = null;
this.meshlist = [];
this.cachedClipInfo = new Matrix();
this.oldTx = 0;
this.oldTy = 0;
this.invMat = new Matrix();
this.context = ctx;
this.sprite = sp;
ctx._globalClipMatrix.copyTo(this.cachedClipInfo);
}
startRec() {
let context = this.context;
if (context._charSubmitCache && context._charSubmitCache._enable) {
context._charSubmitCache.enable(false, context);
context._charSubmitCache.enable(true, context);
}
context._incache = true;
this.touches.length = 0;
context.touches = this.touches;
context._globalClipMatrix.copyTo(this.cachedClipInfo);
this.submits.length = 0;
this.submitStartPos = context._submits._length;
for (var i = 0, sz = this.meshlist.length; i < sz; i++) {
var curm = this.meshlist[i];
curm.canReuse ? (curm.releaseMesh()) : (curm.destroy());
}
this.meshlist.length = 0;
this._mesh = MeshQuadTexture.getAMesh(false);
this._pathMesh = MeshVG.getAMesh(false);
this._triangleMesh = MeshTexture.getAMesh(false);
this.meshlist.push(this._mesh);
this.meshlist.push(this._pathMesh);
this.meshlist.push(this._triangleMesh);
context._curSubmit = SubmitBase.RENDERBASE;
this._oldMesh = context._mesh;
this._oldPathMesh = context._pathMesh;
this._oldTriMesh = context._triangleMesh;
this._oldMeshList = context.meshlist;
context._mesh = this._mesh;
context._pathMesh = this._pathMesh;
context._triangleMesh = this._triangleMesh;
context.meshlist = this.meshlist;
this.oldTx = context._curMat.tx;
this.oldTy = context._curMat.ty;
context._curMat.tx = 0;
context._curMat.ty = 0;
context._curMat.copyTo(this.invMat);
this.invMat.invert();
}
endRec() {
let context = this.context;
if (context._charSubmitCache && context._charSubmitCache._enable) {
context._charSubmitCache.enable(false, context);
context._charSubmitCache.enable(true, context);
}
var parsubmits = context._submits;
this.submitEndPos = parsubmits._length;
var num = this.submitEndPos - this.submitStartPos;
for (var i = 0; i < num; i++) {
this.submits.push(parsubmits[this.submitStartPos + i]);
}
parsubmits._length -= num;
context._mesh = this._oldMesh;
context._pathMesh = this._oldPathMesh;
context._triangleMesh = this._oldTriMesh;
context.meshlist = this._oldMeshList;
context._curSubmit = SubmitBase.RENDERBASE;
context._curMat.tx = this.oldTx;
context._curMat.ty = this.oldTy;
context.touches = null;
context._incache = false;
}
isCacheValid() {
var curclip = this.context._globalClipMatrix;
if (curclip.a != this.cachedClipInfo.a || curclip.b != this.cachedClipInfo.b || curclip.c != this.cachedClipInfo.c
|| curclip.d != this.cachedClipInfo.d || curclip.tx != this.cachedClipInfo.tx || curclip.ty != this.cachedClipInfo.ty)
return false;
return true;
}
flushsubmit() {
var curSubmit = SubmitBase.RENDERBASE;
this.submits.forEach(function (subm) {
if (subm == SubmitBase.RENDERBASE)
return;
SubmitBase.preRender = curSubmit;
curSubmit = subm;
subm.renderSubmit();
});
}
releaseMem() {
}
}
WebGLCacheAsNormalCanvas.matI = new Matrix();