iOS11 WebGL 报错，哪位大佬了解?求解答

Creator 3.x
#1

使用creator 3.5.2版本，在一台iOS11的机型上，报错了，报错信息如下：
WebGL: INVALID_OPERATION: drawElements: attempt to access out of bounds arrays
drawElements
r3 — webgl-commands.ts:2598
draw — webgl-primary-command-buffer.ts:69
frame — splash-screen.ts:380
t — splash-screen.ts:272
r3 — webgl-commands.ts:2598

image
image2052×957 465 KB

#2

:joy:

#3

补充一下，是webmobile平台

#4

你最好是提供一个可复现的demo，不然太难猜了。

#5

这是设备相关信息，能否支持webGL2.0呢
_bindingMappingInfo: e {maxBlockCounts: [3, 0, 6], maxSamplerTextureCounts: [4, 0, 7], maxSamplerCounts: [0, 0, 0], maxTextureCounts: [0, 0, 0], maxBufferCounts: [0, 0, 0], …}

_bindingMappings: {blockOffsets: [0, 9, 3], samplerTextureOffsets: [-3, 11, -2], flexibleSet: 1}

_caps: e {maxVertexAttributes: 16, maxVertexUniformVectors: 128, maxFragmentUniformVectors: 64, maxTextureUnits: 8, maxImageUnits: 0, …}

_cmdBuff: t {_objectType: 13, _objectID: 65537, _typedID: 65536, _queue: t, _type: 0, …}

_context: WebGLRenderingContext {canvas: , drawingBufferWidth: 1334, drawingBufferHeight: 750, activeTexture: function, attachShader: function, …}

_features: [true, true, false, true, false, false] (6)

_formatFeatures: [0, 0, 0, 0, 0, 0, 16, 16, 0, 0, …] (117)

_generalBarrierss: Map {1789763110 => t {_objectType: 16, _objectID: 65814, _typedID: 65536, _info: e, _hash: 1789763110, …}, 3674985505 => t {_objectType: 16, _objectID: 65816, _typedID: 65537, _info: e, _hash: 3674985505, …}} (2)

_gfxAPI: 6

_memoryStatus: e {bufferSize: 15053342, textureSize: 39655104, copy: function}

_numDrawCalls: 5

_numInstances: 0

_numTris: 527

_queue: t {_objectType: 14, _objectID: 65536, _typedID: 65536, _type: 0, numDrawCalls: 0, …}

_renderer: “Apple A10 GPU”

_samplers: Map {458778 => t {_objectType: 6, _objectID: 65549, _typedID: 65536, _info: e, _hash: 458778, …}, 458762 => t {_objectType: 6, _objectID: 65571, _typedID: 65537, _info: e, _hash: 458762, …}, 461450 => t {_objectType: 6, _objectID: 65654, _typedID: 65538, _info: e, _hash: 461450, …}, 461445 => t {_objectType: 6, _objectID: 65655, _typedID: 65539, _info: e, _hash: 461445, …}} (4)

_swapchain: t {_objectType: 1, _objectID: 65538, _typedID: 65536, _transform: 0, _colorTexture: t, …}

_textureBarriers: Map {} (0)

_textureExclusive: [true, true, true, true, true, true, true, true, true, true, …] (117)

_vendor: “Apple Inc.”