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fixed get max joint matrix size for skinned mesh renderer #4772

merged 2 commits into from Jul 3, 2019


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@2youyou2 2youyou2 commented Jul 1, 2019

Re: cocos-creator/2d-tasks#1578


  • fixed get max joint matrix size for skinned mesh renderer
cocos2d/core/platform/CCSys.js Outdated Show resolved Hide resolved

let gl =;
let maxUniforms = Math.floor(gl.getParameter(gl.MAX_VERTEX_UNIFORM_VECTORS) / 4) - LEFT_UNIFORM_SIZE;
if (maxUniforms < JOINT_MATRICES_SIZE) {
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@2youyou2 2youyou2 Jul 2, 2019

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JOINT_MATRICES_SIZE 在 shader 中是定死的 number ,如果可用 uniform 比 JOINT_MATRICES_SIZE 小,那么就不能用 uniform 传 joint matrix 了


@jareguo jareguo merged commit 99940ea into cocos-creator:v2.1.2 Jul 3, 2019
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@jareguo jareguo commented Jul 3, 2019

修复 GPU 骨骼数量未能正确判断,导致某些平台模型可能不显示的问题


@2youyou2 2youyou2 deleted the v2.1.2-max-joint-size branch Aug 30, 2019
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2 participants