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Update RenderWebGL.js

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fix exception "Invalid offset/length when creating typed array" in ms edge browser
This commit is contained in:
a49594a 2017-04-11 08:12:55 +08:00 committed by GitHub
parent 1063f68572
commit 56fbe57dd9
1 changed files with 6 additions and 6 deletions
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12
src/RenderWebGL.js
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@ -413,7 +413,7 @@ class RenderWebGL extends EventEmitter {
gl.disable(gl.STENCIL_TEST);
}
const pixels = new Uint8Array(bounds.width * bounds.height * 4);
const pixels = new Uint8Array(Math.floor(bounds.width * bounds.height * 4));
gl.readPixels(0, 0, bounds.width, bounds.height, gl.RGBA, gl.UNSIGNED_BYTE, pixels);
if (this._debugCanvas) {
@ -490,7 +490,7 @@ class RenderWebGL extends EventEmitter {
gl.disable(gl.STENCIL_TEST);
}
const pixels = new Uint8Array(bounds.width * bounds.height * 4);
const pixels = new Uint8Array(Math.floor(bounds.width * bounds.height * 4));
gl.readPixels(0, 0, bounds.width, bounds.height, gl.RGBA, gl.UNSIGNED_BYTE, pixels);
if (this._debugCanvas) {
@ -567,7 +567,7 @@ class RenderWebGL extends EventEmitter {
this._drawThese(candidateIDs, ShaderManager.DRAW_MODE.silhouette, projection);
const pixels = new Uint8Array(touchWidth * touchHeight * 4);
const pixels = new Uint8Array(Math.floor(touchWidth * touchHeight * 4));
gl.readPixels(0, 0, touchWidth, touchHeight, gl.RGBA, gl.UNSIGNED_BYTE, pixels);
if (this._debugCanvas) {
@ -648,7 +648,7 @@ class RenderWebGL extends EventEmitter {
gl.enable(gl.BLEND);
}
const data = new Uint8Array(bounds.width * bounds.height * 4);
const data = new Uint8Array(Math.floor(bounds.width * bounds.height * 4));
gl.readPixels(0, 0, bounds.width, bounds.height, gl.RGBA, gl.UNSIGNED_BYTE, data);
if (this._debugCanvas) {
@ -865,7 +865,7 @@ class RenderWebGL extends EventEmitter {
gl.enable(gl.BLEND);
}
const stampPixels = new Uint8Array(bounds.width * bounds.height * 4);
const stampPixels = new Uint8Array(Math.floor(bounds.width * bounds.height * 4));
gl.readPixels(0, 0, bounds.width, bounds.height, gl.RGBA, gl.UNSIGNED_BYTE, stampPixels);
const stampCanvas = this._tempCanvas;
@ -1041,7 +1041,7 @@ class RenderWebGL extends EventEmitter {
{extraUniforms: {u_modelMatrix: modelMatrix}}
);
const pixels = new Uint8Array(width * height * 4);
const pixels = new Uint8Array(Math.floor(width * height * 4));
gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, pixels);
// Known boundary points on left/right edges of pixels.