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
179 lines (178 loc) • 7.12 kB
JavaScript
import { LayaGL } from "../../layagl/LayaGL";
import { RenderInfo } from "../../renders/RenderInfo";
import { Resource } from "../../resource/Resource";
import { WebGLContext } from "../WebGLContext";
import { ILaya } from "../../../ILaya";
export class TextTexture extends Resource {
constructor(textureW, textureH) {
super();
this._texW = 0;
this._texH = 0;
this.__destroyed = false;
this._discardTm = 0;
this.genID = 0;
this.bitmap = { id: 0, _glTexture: null };
this.curUsedCovRate = 0;
this.curUsedCovRateAtlas = 0;
this.lastTouchTm = 0;
this.ri = null;
this._texW = textureW || TextTexture.gTextRender.atlasWidth;
this._texH = textureH || TextTexture.gTextRender.atlasWidth;
this.bitmap.id = this.id;
this.lock = true;
}
recreateResource() {
if (this._source)
return;
var gl = LayaGL.instance;
var glTex = this._source = gl.createTexture();
this.bitmap._glTexture = glTex;
WebGLContext.bindTexture(gl, gl.TEXTURE_2D, glTex);
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, this._texW, this._texH, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
if (TextTexture.gTextRender.debugUV) {
this.fillWhite();
}
}
addChar(data, x, y, uv = null) {
if (TextTexture.gTextRender.isWan1Wan) {
return this.addCharCanvas(data, x, y, uv);
}
!this._source && this.recreateResource();
var gl = LayaGL.instance;
WebGLContext.bindTexture(gl, gl.TEXTURE_2D, this._source);
!ILaya.Render.isConchApp && gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, true);
var dt = data.data;
if (data.data instanceof Uint8ClampedArray)
dt = new Uint8Array(dt.buffer);
gl.texSubImage2D(gl.TEXTURE_2D, 0, x, y, data.width, data.height, gl.RGBA, gl.UNSIGNED_BYTE, dt);
!ILaya.Render.isConchApp && gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, false);
var u0;
var v0;
var u1;
var v1;
u0 = x / this._texW;
v0 = y / this._texH;
u1 = (x + data.width) / this._texW;
v1 = (y + data.height) / this._texH;
uv = uv || new Array(8);
uv[0] = u0, uv[1] = v0;
uv[2] = u1, uv[3] = v0;
uv[4] = u1, uv[5] = v1;
uv[6] = u0, uv[7] = v1;
return uv;
}
addCharCanvas(canv, x, y, uv = null) {
!this._source && this.recreateResource();
var gl = LayaGL.instance;
WebGLContext.bindTexture(gl, gl.TEXTURE_2D, this._source);
!ILaya.Render.isConchApp && gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, true);
gl.texSubImage2D(gl.TEXTURE_2D, 0, x, y, gl.RGBA, gl.UNSIGNED_BYTE, canv);
!ILaya.Render.isConchApp && gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, false);
var u0;
var v0;
var u1;
var v1;
if (ILaya.Render.isConchApp) {
u0 = x / this._texW;
v0 = y / this._texH;
u1 = (x + canv.width) / this._texW;
v1 = (y + canv.height) / this._texH;
}
else {
u0 = (x + 1) / this._texW;
v0 = (y + 1) / this._texH;
u1 = (x + canv.width - 1) / this._texW;
v1 = (y + canv.height - 1) / this._texH;
}
uv = uv || new Array(8);
uv[0] = u0, uv[1] = v0;
uv[2] = u1, uv[3] = v0;
uv[4] = u1, uv[5] = v1;
uv[6] = u0, uv[7] = v1;
return uv;
}
fillWhite() {
!this._source && this.recreateResource();
var gl = LayaGL.instance;
var dt = new Uint8Array(this._texW * this._texH * 4);
dt.fill(0xff);
gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 0, this._texW, this._texH, gl.RGBA, gl.UNSIGNED_BYTE, dt);
}
discard() {
ILaya.stage.setGlobalRepaint();
this.destroy();
return;
if (this._texW != TextTexture.gTextRender.atlasWidth || this._texH != TextTexture.gTextRender.atlasWidth) {
this.destroy();
return;
}
this.genID++;
if (TextTexture.poolLen >= TextTexture.pool.length) {
TextTexture.pool = TextTexture.pool.concat(new Array(10));
}
this._discardTm = RenderInfo.loopStTm;
TextTexture.pool[TextTexture.poolLen++] = this;
}
static getTextTexture(w, h) {
return new TextTexture(w, h);
if (w != TextTexture.gTextRender.atlasWidth || w != TextTexture.gTextRender.atlasWidth)
return new TextTexture(w, h);
if (TextTexture.poolLen > 0) {
var ret = TextTexture.pool[--TextTexture.poolLen];
if (TextTexture.poolLen > 0)
TextTexture.clean();
return ret;
}
return new TextTexture(w, h);
}
destroy() {
this.__destroyed = true;
var gl = LayaGL.instance;
this._source && gl.deleteTexture(this._source);
this._source = null;
}
static clean() {
var curtm = RenderInfo.loopStTm;
if (TextTexture.cleanTm === 0)
TextTexture.cleanTm = curtm;
if (curtm - TextTexture.cleanTm >= TextTexture.gTextRender.checkCleanTextureDt) {
for (var i = 0; i < TextTexture.poolLen; i++) {
var p = TextTexture.pool[i];
if (curtm - p._discardTm >= TextTexture.gTextRender.destroyUnusedTextureDt) {
p.destroy();
TextTexture.pool[i] = TextTexture.pool[TextTexture.poolLen - 1];
TextTexture.poolLen--;
i--;
}
}
TextTexture.cleanTm = curtm;
}
}
touchRect(ri, curloop) {
if (this.lastTouchTm != curloop) {
this.curUsedCovRate = 0;
this.curUsedCovRateAtlas = 0;
this.lastTouchTm = curloop;
}
var texw2 = TextTexture.gTextRender.atlasWidth * TextTexture.gTextRender.atlasWidth;
var gridw2 = ILaya.TextAtlas.atlasGridW * ILaya.TextAtlas.atlasGridW;
this.curUsedCovRate += (ri.bmpWidth * ri.bmpHeight) / texw2;
this.curUsedCovRateAtlas += (Math.ceil(ri.bmpWidth / ILaya.TextAtlas.atlasGridW) * Math.ceil(ri.bmpHeight / ILaya.TextAtlas.atlasGridW)) / (texw2 / gridw2);
}
get texture() {
return this;
}
_getSource() {
return this._source;
}
drawOnScreen(x, y) {
}
}
TextTexture.gTextRender = null;
TextTexture.pool = new Array(10);
TextTexture.poolLen = 0;
TextTexture.cleanTm = 0;