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I can't get console error into playground, but the bug is still here: if I want to use KTX compressed textures, BJS don't fallback to source texture if the ktx file isn't found. So inevitably the use of a scene HDR envTexture cancel the scene loading. line 16, set the value to true: https://www.babylonjs-playground.com/#F70HUY (texture files comes from here) In a more gobal way, if a texture miss its KTX version, it could be very convenient to use source texture instead (when you have hundreds of texture, you can't convert files each time you update them). Here an example with a jpg texture which doesn't have its corresponding ktx file: https://www.babylonjs-playground.com/#F70HUY#1 If I well remember (not sure), a few (long?) time ago, BJS was doing this source-texture fallback, am I wrong?

Hi, Started using compressed textures in our projects. Came across three possible bugs, not sure about the last one. PG: https://www.babylonjs-playground.com/#RK0W5S#2 1 and 2 are demonstrated in the above PG. Comment line #5 to compare results when not using compressed textures. 1.) Incorrect texture returned when Engine is set to use a ktx format texture and Texture is made via Texture.CreateFromBase64String. Possibe fix: bypass textureFormatInUse when buffer is available in Engine.CreateTexture 2.) Callback passed to Texture is not fired when CreateTexture falls back to url passed on not finding its ktx counterparts. Need this to finish a "change texture" flow. Possible fix: Ignore fallback argument and create onLoadObserver in Engine.CreateTexture 3.) When engine is set to use ktx format , CubeTexture looks for one ktx file instead of 6. I don't know if the cubeTextures in ktx formats are to be composited into a single file. I use this gulp task to create compressed textures. Got a work around for 1 and 2 but 3 is beyond me. Want this to support 360 tours on low spec devices.

Hello. I'm having an issue creating a skybox with compressed ktx textures. I've followed the instructions here, and have used the 2 bat scripts in conjunction with the PVRTexTool and ASTC tools. Note that I've used "D" for developer level quality. cd my-directory-with-images make-ktx-batch D ktx-batch That seems to have correctly generated the compressed files. I then create the default skybox. var available = ['-astc.ktx', '-dxt.ktx', '-pvrtc.ktx', '-etc2.ktx', '-etc1.ktx']; var formatUsed = engine.setTextureFormatToUse(available); console.log(formatUsed + ' textures'); ... var skyboxTexture = new BABYLON.CubeTexture("textures/skybox/gradient-sky/SkyGradient", scene); scene.createDefaultSkybox(skyboxTexture); Based on the console output, it seems to be attempting to load the texture format used "-dxt.ktx" at my root URL. I'm testing in Chrome on a MacBook, but am getting the same error in Firefox and Safari "Error: Error status: 404 - Unable to load -dxt.ktx". Any ideas? Thanks for taking the time to read.