66 lines
2.5 KiB
JavaScript
Executable File
66 lines
2.5 KiB
JavaScript
Executable File
import response from "./response";
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let needRenderOpenData = false;
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let textureId= '';
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let runningTaskId = 0;
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let textureObject;
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function createTextureByImgObject(){
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var webgl = GameGlobal.manager.gameInstance.Module.GL.currentContext.GLctx;
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let openDataContext = wx.getOpenDataContext();
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let sharedCanvas = openDataContext.canvas;
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if(!textureObject){
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textureObject = webgl.createTexture();
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}
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webgl.bindTexture(webgl.TEXTURE_2D, textureObject);
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webgl.texImage2D(webgl.TEXTURE_2D, 0, webgl.RGBA, webgl.RGBA, webgl.UNSIGNED_BYTE, sharedCanvas);
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webgl.texParameteri(webgl.TEXTURE_2D, webgl.TEXTURE_MIN_FILTER, webgl.LINEAR);
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webgl.texParameteri(webgl.TEXTURE_2D, webgl.TEXTURE_MAG_FILTER, webgl.LINEAR);
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webgl.texParameteri(webgl.TEXTURE_2D, webgl.TEXTURE_WRAP_S, webgl.CLAMP_TO_EDGE);
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webgl.texParameteri(webgl.TEXTURE_2D, webgl.TEXTURE_WRAP_T, webgl.CLAMP_TO_EDGE);
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return textureObject;
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}
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export default {
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WXDataContextPostMessage(msg){
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var openDataContext = wx.getOpenDataContext();
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openDataContext.postMessage(msg);
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},
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WXShowOpenData(id,x,y,width,height){
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const taskId = new Date().getTime();
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runningTaskId = taskId; //这里保存一个id是为了避免两次
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let openDataContext = wx.getOpenDataContext();
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let sharedCanvas = openDataContext.canvas;
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sharedCanvas.width = width;
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sharedCanvas.height = height;
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openDataContext.postMessage({
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type:"WXRender",
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x: x,
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y: y,
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width: width,
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height: height,
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devicePixelRatio:window.devicePixelRatio
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});
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const manager = GameGlobal.manager;
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needRenderOpenData = true;
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renderTexture();
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textureId = id;
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function renderTexture(){
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if(needRenderOpenData && runningTaskId === taskId){
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manager.gameInstance.Module.GL.textures[id] = createTextureByImgObject();
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manager.gameInstance.Module.requestAnimationFrame(renderTexture);
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}
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}
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},
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WXHideOpenData(){
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needRenderOpenData = false;
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let openDataContext = wx.getOpenDataContext();
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let sharedCanvas = openDataContext.canvas;
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openDataContext.postMessage({
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type:"WXDestroy"
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});
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sharedCanvas.width = 10;
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sharedCanvas.height = 10;
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manager.gameInstance.Module.GL.textures[textureId] = createTextureByImgObject();
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textureObject = null;
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},
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}
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