20)/4),void 0!==k&&k instanceof THREE.SkinnedMesh&&(t=Math.min(k.skeleton.bones.length,t),t<k.skeleton.bones.length&&console.warn("WebGLRenderer: too many bones - "+k.skeleton.bones.length+", this GPU supports just "+t+" (try OpenGL instead of ANGLE)")));r=a.getPrecision();null!==c.precision&&(r=b.getMaxPrecision(c.precision),r!==c.precision&&console.warn("THREE.WebGLRenderer.initMaterial:",c.precision,"not supported, using",r,"instead."));return{shaderID:q,precision:r,supportsVertexTextures:b.vertexTextures,