[1.15.2 pre28 Forge/Fabric] ObjLoader is not working

Description of Issue

Forge's ObjLoader,When not using the shader, it can be "normally used", and the shader can be used directly "black and purple" 2020-06-21_18 47 44 2020-06-21_18 48 05

Fabric ObjLoader,Do not load optifine (remove file), can be used normally, if loaded, "black purple" 2020-06-30_16 33 52 2020-06-30_16 39 30

Steps to Reproduce

What do you do... ：I want to load obj model in Minecraft
...to find this bug? ：But with optifine, neither Forge nor Fabric can be used

OptiFine Version

Self-explanatory. ：1.15.2 pre28

Installation Method

forge ： JAR file + mods folder fabric ：JAR file and optifabric mod + mods folder

Fabric/Forge Version

forge ：32.2.21 fabric ：0.8.2+build.194

OptiFabric Version

Optifabric-1.0.0-beta8

Other Installed Mods

forge only optifine mod fabric advancements-enlarger-1.0.0[全屏成就页面].jar amecs-1.2.9+1.15-pre5[高级快捷键].jar audiooutput-1.15.2-0.0.1[音频输出设备].jar Autofish-0.8.5-fabric-mc1.15[自动钓鱼].jar beem-1.1[寻找蜂巢].jar.disabled beenfo-1.0.3[蜂巢信息].jar betterdroppeditems-1.0.1[真实掉落物品].jar.disabled better-nether-2.5.1[更好的地狱].jar BlockMeter-1.15-fabric0.4.23-1.3[尺寸测量仪].jar borderless-mining-1.0.0[多屏显示支持].jar carpet-extra-1.15.2-1.3.17[地毯扩展].jar clear-skies-mc115-1.1.19[更好的天空].jar CustomSelectionBox-4.1.0[自定义选择框].jar.disabled durabilityviewer-1.15.2-fabric0.4.23-1.7[耐久显示].jar EnchantmentDescriptions-1.15.1-1.5.1[附魔描述].jar euclid-1.0.0-beta6[WE可视化].jar fabric-api-0.5.1+build.294-1.15.jar fabric-carpet-1.15.2-1.3.17+v200401[地毯].jar fabric-example-mod-master.jar fabricmod_VoxelMap-1.9.16_for_1.15.2[小地图].jar FirstPersonMod-1.0.3[更好的第一人称].jar.disabled FOML-1.2.0.jar GameInfo-mod-1.3.1+1.15.2[游戏信息显示].jar grid-1.15-fabric0.4.23-1.5.1[网格划分指示].jar held-item-info-1.1.1[物品切换信息显示].jar illuminations-0.4.0-1.15.1[更多发光物].jar.disabled InventorySorter-1.6.2[物品整理].jar LibGui-1.8.0+1.15.2.jar LightOverlay-4.3[亮度信息显示].jar lithium-mc1.15.2-fabric-0.4.6-mod.jar malilib-fabric-1.15.2-0.10.0-dev.20+arne.6.jar Mambience-1.1.0[环境音效].jar mcf-reap-1.3.0[收获时自动补种].jar mobcountmod-fabric-1.15.2-1.3.2-dev.20200314.170921[实体计数器].jar modmenu-1.10.2+build.32[MOD列表].jar NoFog-1.15b1[消除雾气].jar Optifabric-1.0.0-beta8.jar orderly-1.2.1+build.4-1.15[血量显示].jar phosphor-fabric-mc1.15.2-0.5.2+build.6.jar playerlightfix_1.15.2-1.0.1.jar PresenceFootsteps-r23+1.15.2[走路音效].jar preview_OptiFine_1.15.2_HD_U_G1_pre28.jar replaymod-1.15.2-2.3.1.jar RER-1.3.2.jar RoughlyEnoughItems-3.6.5.jar shulkerboxtooltip-1.4.5+1.15[潜影盒预览].jar simple-utilities-mod-1.0.1[游戏信息显示].jar SmoothScrollingEverywhere-2.4.1[滑动菜单].jar snm-1.1.0[经典着色效果].jar.disabled tweakeroo-fabric-1.15.2-0.10.0-dev.20200320.230739.jar VarLightFabric-1.3[自定义强度光源].jar WorldEdit-Fabric-1.15.1.jar If OptiFine is installed as standalone, remove this section.

Log Files/Crash Reports

forge https://pastebin.com/7j5d5Ssh fabric https://pastebin.com/G58nw5Ci

sp614x / optifine