Unity texture compression astc. CompressedHQ: Texture will be compressed using .
● Unity texture compression astc If you’re wondering how save it is to move to ASTC, starting with Unity 2021. Your name Your email Suggestion * Submit suggestion. The Unity WebGL build option allows Unity to publish content as JavaScript programs which use HTML5 technologies and the WebGL rendering API to run Unity content in a web browser. This increases memory usage and decreases rendering speed. 2D Low Dynamic Range (LDR profile) 2D LDR and High Dynamic Range (HDR profile) 2D and 3D, LDR and HDR (Full profile) It also supports all of the ASTC block sizes and compression modes, allowing content creators to use the full spectrum of quality-to-bitrate TextureFormat. If you manually add OpenGL ES 2, make sure to change the texture compression to either PVRTC or ETC to avoid texture decompression at runtime. After that, I decided to run some tests and if all is good then change the compression of textures in my project from ETC2 to ASTC to reduce build size. To enable this, tick the Compress using ETC1 checkbox for the Texture. As mentioned before, ASTC is a compressed format. Close. Recently we started considering switching to ASTC for Android as well. When compressing an ASTC texture within Unity there are a number of options to choose from. • ETC (GLES 2. RG32 Hello, I am using forced ASTC 4x4/6x6 compression for some selected textures in my game for both the iOS and Android platform. I’ve found however when copying the textures with GetPixels and SetPixels to a RGBA32 format there is a dramatic drop in quality; The format change is because SetPixels only works with certain formats. They both use the same unique git repo. Switching back from ASTC to anything else in the build settings window allows lightmaps to bake correctly again. 6 %âãÏÓ 1622 0 obj > endobj 1639 0 obj >/Filter/FlateDecode/ID[7C8F44B5CB3789498953226C35A51C03>]/Index[1622 29]/Info 1621 0 R/Length 97/Prev 1532966/Root Hello all! I’m fiddling around with some compression settings on my sprite sheets, namely my environment sprites. One of the oldest tools in the compression market, it is no surprise it is still in heavy use today in many projects. ETC/ETC2). With Unity 6000. Although we cannot accept all submissions, we do read each suggested change from our users and will make updates where applicable. CompressedHQ: Texture will be compressed using Good morning, our adventure in the fabulous world on Unity WebGL brought to another unexpected problem! Tl;dr: why an ASTC compressed file downloaded via a UnityWebRequest (on a mobile device only) gives “WARNING: RGB Compressed DXT1|BC1 UNorm format is not supported, decompressing texture” when loaded into a texture? The long extension NOT enabled WEBGL_compressed_texture_astc extension IS enabled WEBGL_compressed_texture_etc extension IS enabled WEBGL_compressed_texture_etc1 I made a development build and tried to look through the code to determine how Unity checks supported texture formats (I suspect the underlining problem with ETC2 is something silly!), but real time ASTC texture compression by computer shader. com) The docs say you might want to use one texture format for desktop and one for mobile. ASTC-4×4. html. 30f1 building fails when Texture Compression Targeting is enabled (with ASTC as the default / top format and ETC2 below it). The latest format ASTC does not support crunch compression so enabling it will default to ETC2 or ETC. The table below shows each compression format available in Unity, and the platforms that support it. Unreal Engine and ASTC. Conclusions. One consequence of this approach is that sometimes there isn’t much guidance as to which format is right for your project. ASTC is the most flexible format. Is something described here not working as you expect it to? It might be a Known Issue. Unity splits the resulting atlas into two Textures, each without an alpha channel, and then combines them in the final parts of the render pipeline. Each block within the texture deciding whether to encode itself as RGB+A, RGBA, RGB, X+Y, or L component layout based on the content within the block rather than chosen by the user. Fortunately, the solution was – set the Compressed textures will be stored in a block compressed format (BC/ETC/ASTC/) on disk and in memory. All ASTC textures are RGBA. Hi guys, I’m working on a project where we have to have our textures saved in the format of RGBA Compressed ASTC 4x4 block. 0. After I changed the texture compression settings in the editor I saw a great size reduction in texture size, for 2k texture it is ASTC6x6 The ASTC format doesn’t differentiate between RGB and RGBA textures. At the same time, decompressed textures, generated by both libraries, are identical bit by bit. My theory is that there are cases during production, where it’s basically “I don’t care if textures look slightly wrong or Hi. Next steps Next section. ACTC is the RGB Compressed ASTC: Variable block size compressed RGB Texture. Crunch will compress the block compressed format further on disk. The best case scenario for me if it went like this: ASTC → ETC2 → 32 BIT Thanks! It would be nice if we could create a single build with textures encoded as both ASTC and as DXT and to let the unity client decide which files to use. Adaptive Scalable Texture Compression Developer Guide Next section. This means that using compression reduces memory usage, typically by 4x. Adaptable Scalable Texture Compression (ASTC) is a form of Texture Compression that uses variable block sizes, rather than a single fixed size. Widely used for mobile browsers / devices. We’ve been spending some time doing general optimizations for texture imports in 2021. Texture compression format Description Channels Quality Bits More info See in Glossary, Unity’s default texture compression format is PVRTC, for the broadest possible compatibility. Cancel. The actual test ETC1 can work on Android/iOS, but ETC1 supports alpha is more troublesome, while ETC2 does not support iOS. Related information. All works well - if BC7 is used then values above 1 are capped to 1 and if BC6H is used then any (positive) float value is Adaptive scalable texture compression (ASTC) is a lossy block-based texture compression algorithm developed by Jørn Nystad et al. Description. However, it seems like the outputted image’s size is the same no matter if I choose high quality or low quality compression. Now we have RGBA LDR and RGBA HDR. This page uses the following concepts: 1. r-pedra May 6, 2016, 12:58pm 12. It fails on this creation call, not Don't override texture compression. If I instead for each individual texture set the settings to RGB(A) Compressed I want to change the global webgl texture compression setting that is available in the editor in the BuildSettings window, but I can’t seem to find the option in EditorBuildSetting to do it programatically. ASTC compressed RGB(A) HDR texture format, 10x10 block size. g. See in Glossary in the Web platform to create builds that target platforms based on the texture compression 3D Graphics hardware requires Textures to be compressed in The astcenc compressor supports generation of images for all three profiles allowed by the ASTC specification:. If a device doesn’t support ASTC HDR the texture is decompressed at runtime to RGB9e5 or RGBA Half, depending on alpha channel usage. of ARM Ltd. If you manually add OpenGL ES 2, make sure to change the texture compression to either PVRTC or The Unity WebGL build option allows Unity to publish content as JavaScript programs which use HTML5 technologies and the WebGL rendering API to run Unity content in a web browser. ASTC-12×12. I set the compression format of each image file uploaded to Unity as ASTC 6x6 and clicked the APPLY button, and it appeared that the images were compressed within Unity. To make the game lighter we use exr files as our source textures (that’s because we do not use any real-time shading and all lighting is baked into the textures and lighting values may exceed 1). The following table shows the Texture compression format options available on each platform, and the resulting compressed file size (based on a 256px-square image). Encode astc texture in pixel shader. And thank you for taking the time to help us improve the quality of Unity Documentation. pvr, . iOS: requires A13 or later chip (2019). : Choose a GPU texture format by platform: Choose suitable GPU texture formats for desktop, iOS and If your target mobile: ASTC For PC use the best compression for PC (forgot the exact term) If you target both I recommend to use ASTC, as this would have higher PC vram usage, which probably is fine if mobile also runs ot. 2 KB space as RGBA32. For For HDR textures, ASTC HDR is the only compressed format available on Android devices. Thanks!, I need it for WebGL. The Android ecosystem is diverse in many respects, with hardware support for compressed texture formats being no exception. However, after building the game and running it on a mobile device, I found that the image files Thank you for helping us improve the quality of Unity Documentation. I hope Unity can provide some info here: It seems that the default texture compression is ASTC_6_6 - same as iOS - but when I build to simulator I get reports that ASTC is unsupported and all textures are decompressed at startup. ASTC format textures feature fine grained control over compression quality, allowing developers to All supported Texture compression formats. Additional resources: TextureImporter. and AMD. 3 mb. The different NxN options are the pixel size of the blocks used by the texture, with a block always using 128 bits. Improved image quality Despite the high degree of format flexibility, ASTC outperforms nearly all legacy texture compression formats on image quality at equivalent bit rates. 2, ASTC is the default texture format for Android projects. 0; there ETC2 textures are decompressed into the ETC2 fallback format specified in the Android Build Settings or on the Android tab for the Platform-specific If I imported a texture with default settings (automatic compression) and then put that in a sprite atlas, it seems that Unity compresses the image twice, resulting it very poor quality. ASTC-5×5. e. Bits per pixelThe smallest unit in a computer See more For HDR textures, ASTC HDR is the only compressed format available on Android ASTC is for mobile. This only reduces the size on disk. 3. I’m trying to develop a game with an explosion, I used unity’s particle pack explosion. I was The table below shows each texture format available in Unity, and the platforms that support them. I’m trying to make Android builds for Oculus with Unity Cloud Build. radiantSil: That’s not strange, it is Unity’s behavior The Unity WebGL build option allows Unity to publish content as JavaScript programs which use HTML5 technologies and the WebGL rendering API to run Unity content in a web browser. And all my textures show up as ASTC6x6 in the inspector. I noticed that sometimes, there is a visible difference between low, normal and high quality compression. Unity splits the resulting atlas into two Textures, each without an alpha channel, and then combines them in the final The 2048 ASTC I put in for this purpose drops from 16MB to 4MB, equal to the file size shown on the build log. Phones generally have less VRAM, so the ‘better’ choice (except seperate mobile and desktop builds) is to use ASTC. In Unity 2019 ASTC RGB compression formats gone. For Android, the defaults are ETC2 for RGBA textures and ETC for RGB textures. %PDF-1. ETC2 is available on devices which support Thank you for helping us improve the quality of Unity Documentation. ASTC: Adaptive Scalable Texture Compression 3D Graphics hardware requires Textures to be compressed in specialized formats which are optimized for fast Texture Location: /gpu-accelerated-texture-compression. textureFormat. Use texture compression A method of storing data that reduces the amount of storage space it requires. After doing a little test in a smaller project, it seems like Just select Automatic in the texture’s compression settings and Unity will use the right one for your platform. On each normal map texture there was “RGB(A) Compressed ASTC 6x6 block” selected by default, so I left it For LDR RGB and RGBA textures, most modern Android GPUs support ASTC compression format, including: Qualcomm GPUs since Adreno 4xx / Snapdragon 415 (2015) ARM GPUs since Mali T624 (2012) NVIDIA GPUs since Tegra K1 (2014) PowerVR GPUs since GX6250 (2014) If you need support for older devices, or you want additional Crunch compression, then all I have a question related to the RGB Compressed ETC2 and RGBA Compressed ASTC formats. 4 bits per pixel The smallest unit in a computer image. ASTC: Use ASTC texture compression. ASTC HDR requires Vulkan or GL_KHR_texture_compression_astc_hdr support. PVRTC texture compression format has been a long time default, On Unity we can see that the ASTC 8x8 takes the same 256. That optimizes VRAM usage for All supported Texture compression formats. Notes on Android Regular Textures Range (HDR) color spaces. Texture Compression ASTC Platform Support: tvOS (all), iOS (A8), Android (PowerVR 6XT, Mali T600 series, Adreno 400 series, Tegra K1) Read more about how Recently I found some information about the ASTC texture format on the internet. Unity texture compression is a very important step to developing mobile games for android or iOS. ASTC (8x8 pixel block in 128 bits) compressed RGB(A) texture format. Mobile browsers with adaptable scalable texture compression (ASTC) set as the texture compression format. But I’m actually trying to work around the failure of Unity to use JPEG files as textures in their native form. • ETC2 (GLES 3. ASTC_HDR_12x12: ASTC compressed RGB(A) HDR texture format, 12x12 block size. PVRTC: Use PowerVR texture compression. For HDR textures, ASTC HDR is the only compressed format available on Android devices. Support Formats. 5 times faster, while providing about 10% better compression ratio. 3, can compress DXT textures up to 2. Use ASTC texture compression. How to encode texture to RGB format? Unity Discussions Do you have a computer GPU that support ATSC texture compression? AFAIK there is no desktop/laptop hardware that supports it. 0): Uses The updated Crunch library, introduced in Unity 2017. thanks By default, the Unity Editor automatically converts Textures to the most appropriate format to match the build target you have selected, and only includes converted Textures in the build. 2 mentioned any min iOS version increase? If Unity still expects to support iOS 12, setting the texture format default to ASTC could cause issues on iPhone 5s, even though a diminishingl The Basics: How to Use Texture Compression in Unity. Beginning in 2021. To modify the Compress method with ASTC textures, you’ll need to ensure that Unity’s library and your workflow support ASTC compression. If an Android device does not support ASTC format, what will Unity then use. Please check with the Issue Tracker at issuetracker All supported Texture compression formats. It is of course focused on DXTn/BCn format compression. On Android, both HDR and LDR profiles are available. Which texture compression is better for WebGL? I’m not sure this is a bug or not, but it does seem strange. It will also automatically use a format that supports an alpha channel if you have it enabled on the texture. Unity supports importing compressed textures in . An iPhone 6 For LDR RGB and RGBA textures, most modern Android GPUs support ASTC compression format, including: Qualcomm GPUs since Adreno 4xx / Snapdragon 415 (2015) ARM GPUs since Mali T624 (2012) NVIDIA GPUs since Tegra K1 (2014) PowerVR GPUs since GX6250 (2014) If you need support for older devices, or you want additional Crunch compression, then all Going from one compressed texture format to another takes a lot of processing power and time to do, and it would introduce quality loss. This way you can optimally support all platforms without having to build everything twice and adding custom checks to the index. Additional Unity’s default texture compression format is ASTC. There’s a lot スプライトの場合、Unity は、テクスチャを 2 つの ETC1 テクスチャに分割することで ETC1 圧縮を使用するオプションを提供します。 ASTC HDR には、Vulkan または GL_KHR_texture_compression_astc_hdr のサポートが必要です。ASTC は最も柔軟性のあるフォーマットです。 More info See in Glossary, Unity’s default texture compression format is PVRTC, for the broadest possible compatibility. I’m using texture arrays and I’ve noticed that 2k textures with ASTC 8x8 results in MUCH worse performance than 1k textures with ASTC 4x4, despite both having a memory footprint of 1. aab) size increased by almost 5%, even though Use texture compression A method of storing data that reduces the amount of storage space it requires. 1 and 2021. For example, DXT is supported on most desktop browsers and ASTC is supported on most mobile browsers. Unity just recommends to “build for both platforms, one for mobile with ASTC and one for desktop with DXT”. Additional Thank you for helping us improve the quality of Unity Documentation. ARM GPU Texture Compression Tool (ASTC / ETC2 All supported Texture compression formats. x versions (see this thread ), but here’s another idea that would be good to get feedback on. 4. Hi! So, importing textures often takes “forever” in a decent size project. PVRTC: PowerVR texture compression. 3, at runtime in the Simulator I get the message : “warning: astc texture format is not supported, decompressing texture” Unity supports only tvOS devices that have Metal support. The simple answer is: Unity already compresses your textures by default. 2, Unity will select the ASTC texture format as default in your projects over those additionally offered (i. ASTC is The Unity WebGL build option allows Unity to publish content as JavaScript programs which use HTML5 technologies and the WebGL rendering API to run Unity content in a web browser. The code is open source, and has CUDA compression paths for many formats. I selected it. Texture compression format Description Channels Quality Bits The Unity WebGL build option allows Unity to publish content as JavaScript programs which use HTML5 technologies and the WebGL rendering API to run Unity content in a web browser. Keeping the filesize of your game build low means players are Unity’s default texture compression format is ASTC. Success! Thank you for helping us improve the quality of Unity Documentation. Crunch compression helps the texture use the lowest possible amount of disk space, but has no effect on runtime memory usage. This is not an All supported Texture compression formats. Texture will be compressed using a standard format depending on the platform (DXT, ASTC, ). I need more information on what’s happening in the background or being done on GPU by CPU if the ASTC is unsupported like on Apple A7 chips or on Android GPUs like Adreno 306/308. (‘WEBGL_compressed_texture_astc’)) to know if mobile/astc textures. 2. Pixel size depends on your screen Setting Description; Texture Compression: The texture compression format to use for the build. In Build Settings in Texture Compression there is “ASTC” option available. Texture format: ASTC_4x4, ASTC_5x5, ASTC_6x6. DXT: S3 texture compression. There IS a noticeable If you’re wondering how save it is to move to ASTC, starting with Unity 2021. RGB Compressed ASTC 6x6 block: RGB Compressed ASTC 4x4 block: RGB Compressed ASTC 8x8 block Texture compression format Description Size for a 256x256 pixel Texture tick the Compress using ETC1 checkbox for the Texture. Thank you for helping us improve the quality of Unity Documentation. ASTC is preferred, Android: requires GL_KHR_texture_compression_astc_hdr extension. This quick-reference cheat sheet contains every single texture compression format available in Unity 2021, and will allow you to compare and contrast them to find the right compression settings for your project. S3 Texture Compression By default, the Unity Editor automatically converts Textures to the most appropriate format to match the build target you have selected, and only includes converted Textures in the build. See in Glossary in the Web platform to create builds that target platforms based on the texture compression 3D Graphics hardware requires Textures to be compressed in If your force ASTC in Default texture compression, it will decompress, you’re right, but I don’t think it really decompress to full quality 32bit. [1] Full details of ASTC were first presented publicly at the High Performance Graphics 2012 conference, in a paper by Olson et al. Unity Discussions iOS texture compression. ASTC_8x8. ASTC (5x5 pixel block in 128 bits) compressed RGB(A) texture format. The main reasoning here is having two complete builds adds a lot of complexity Unity iOS & Android Texture Compression Guide Overview. ASTC-6×6. This is on a M2 Mac. RGBis a color model in which red, green and blue are added together in various ways to reproduce a broad array of colors. From a personal point of view See the ASTC compression format is widely used. Unity lets you enable ASTC on Android, iOS, tvOS, and WebGL if the hardware supports it. astc files. ASTC supports several other formats but these formats are not exposed within Unity. The quality of the compressed texture in the ASTC_4x4 and ASTC_5x5 formats is slightly superior to that of the bc1 texture encoded by UnrealEngine’s GPU encoder, and significantly better than the output from For HDR textures, ASTC HDR is the only compressed format available on Android devices. Will Unity 2021. Using these extensions will improve texturing caching and allow the new fast filtering path to be used. I get several messages telling me “WARNING: no native support for texture format 5, converting to 4!” I’m getting this message while running my application on a note3 (which does support ASTC) There is no decompression, just a . The latest version of the library, which will reach Beta builds soon, will be able to Unity and ASTC. As soon as we switched to it, lightmaps seem to bake in a red tone. These allow developers to opt into using a lower precision intermediate format. A subset of Android devices support the DXT and PVRTC texture compression formats. Texture format A file format for handling textures during realtime rendering by 3D graphics hardware, such as a graphics card or mobile device. Me and other Unity developers I For HDR textures, ASTC HDR is the only compressed format available on Android devices. And note that Unity 2021. Shankar-Ganesh1 August 17, 2020, 10:04pm 1. Along with the failure of desktop graphics cards to implement the ASTC texture compression, which is offering compression similar to JPEG. Unity Engine. A DXT5 texture is an RGBA texture with a 4:1 compression ratio, so that same 4x4 texture will only be 128 bits, or 16 bytes. ASTC_5x5. I did a test build in which I converted all textures from ETC2 to ASTC and generated an Android build. The sprite shader samples both textures and combines them into the final result. The bugfix above disables RGBM encoding for ASTC LDR compressed HDR cubemaps. Supplement: Support for the ASTC compression format is introduced in Unity official documentation version 2018. I’ve read in few places that they are decompressed More info See in Glossary, Unity’s default texture compression format is PVRTC, for the broadest possible compatibility. RGBA Compressed ASTC8X8 sRGB format is not supported, decompressing texture Why isn’t it supported? Is there a way to force ASTC compression on UCB? Or is UCB Unity ASTC GPU Encoder. The following table shows the Texture ASTC offers texture compression with higher quality, lower bitrate and with more control options than other compression formats. Choosing a Texture compression format is a balance between file size and quality; the higher the quality, the greater the file size. 2 Likes. ETC: ETC1 texture compression (or ETC2 for textures with alpha). Issue Date Confidentiality Change; 0100-00: 1 July 2020: Non-Confidential: First release: 0200-00: The Unity WebGL build option allows Unity to publish content as JavaScript programs which use HTML5 technologies and the WebGL rendering API to run Unity content in a web browser. Suggest a change. PS4 supports BC7, but PS3 doesn’t. Hello, For our current WebGL project we are making use of the new WebGLTextureSubtarget option in Unity 2021 when building from script so we can serve different content based on the texture compression formats supported by the browser. iOS, Platforms. On Windows, we encode some of them using BC7 and some of them using BC6H. When not supported, the texture is decompressed to RGB9E5 format, losing the alpha channel. Supported on devices with NVidia Tegra, Vivante and Intel GPUs. Have tried it with and without All supported Texture compression formats. 3. Therefore, is it possible to add ASTC, so that ASTC can be used uniformly. 2 are dramatically faster at importing ASTC than Unity 2020. ASTC generally looks better than PVRTC on iOS device. Each platform has default texture Page Description; GPU texture format fundamentals: Learn about the optimized texture formats A file format for handling textures during real-time rendering by 3D graphics hardware, such as a graphics card or mobile device. To make the game lighter (because it is for Oculus quest 2), I used the ASTC mode in texture compression, however the textures of th I’m trying to develop a game with an explosion, I used unity’s particle pack explosion. The table below shows each compression format available in Unity, and the platforms that support them. Release information. ASTC compressed RGB(A) texture format, 6x6 block size. I’m running a game with ASTC texture compression, however I’m using ADB to check what’s actually happening at runtime. Unity’s texture compression settings are intended to give the user full control over how their texture data is handled by the engine. ASTC is preferred, but is not supported on A7 devices (the very first Metal-enabled devices) and will be unpacked at runtime. DXTC: Use S3 texture compression. 2, I highly recommend it. Additional With Unity 6000. More info See in Glossary. 2. The only hardware that has ASTC decode is mobile hardware. 0): Uses ETC format. bgolus October For HDR textures, ASTC HDR is the only compressed format available on Android devices. Oculus recommends using ASTC compression for textures, but I keep getting compression warnings on Unity Cloud Build. Hi folks, In our game, we currently use the ETC2 texture compression format for Android and ASTC for iOS. you must first choose a supported texture compression 3D Graphics hardware requires Textures to be compressed in specialized formats which are optimized for fast I’ve been doing some testing with different texture compression/res using the Oculus Quest and the OVR Metrics Tool. Modern GPUs support modern texture formats, e. entitled "Adaptive Scalable Texture Compression". Texture format Windows macOS Linux Android iOS & tvOS Adaptive Scalable Texture Compression (ASTC) is an advanced lossy texture compression format. *All cases looks the same in all devices visually. Each platform has default texture compression formats. Hi, I have some objects in my scene which use texture images in ASTC compression format. TextureFormat. All supported Texture compression formats. The larger the block size, the more compression, but the worse the image quality. More info See in Glossary Internal representation; RGB Compressed DXT1: Compressed RGB texture. Issue Date Confidentiality Change; 0100-00: 1 July 2020: Non-Confidential: First release: 0200-00: But I’m actually trying to work around the failure of Unity to use JPEG files as textures in their native form. ASTC 12×12 block: The Unity WebGL build option allows Unity to publish content as JavaScript programs which use HTML5 technologies and the WebGL rendering API to run Unity content in a web browser. ASTC-10×10. So going from an ASTC-compressed texture and recompressing on the fly to for example to an ETC-compressed texture is typically not something you want to do. Examples of legacy texture compression formats that ASTC outperforms include ETC2 and PVRCT. The problem is that the build (. With this fix you should get the same results as This quick-reference cheat sheet contains every single texture compression format available in Unity 2021, and will allow you to compare and contrast them to find the right compression settings for your project. I’ve read about texture compression and Unity in their Unity Discussions Help with texture compression formats for WebGL. If you manually add OpenGL ES 2, make sure to change the texture compression to either PVRTC or I saw that Unity2020 already supports ETC/ETC2 compressed textures, which is really great. That means it was uncompressed. So, any ideas on how to setup a Unity Cloud Build config to use ASTC and another that uses DXT. ASTC is the default texture compression on this platform. ASTC can also compress 3D volumetric textures. The problem is that Unity decompresses ASTC texture runtime on ASTC-compatible iOS device. In the manual it states that on Android it is partially supported: RGB Compressed ETC2 - Except on OpenGL ES 2. Thats all fine, but our target platform (Poki) manages the The Unity WebGL build option allows Unity to publish content as JavaScript programs which use HTML5 technologies and the WebGL rendering API to run Unity content in a web browser. Texture compression algorithms have different channels formats, typically RGB and RGBA. The following table shows the Texture compression format options available on each platform, and the resulting compressed file size Unity lets you enable ASTC on Android, iOS, tvOS, and WebGL if the hardware supports it. Adaptive Scalable Texture Compression Developer Guide. Crunch textures can take a long time to compress We are working on a project for the Oculus Quest/PC VR, recently noticed ASTC texture compression is recommended in the Oculus Documentation for Unity so we switched to it. Hello everyone! When I was building my game I noticed that I got thousands of messages like: WARNING: DXT texture format is not supported, decompressing texture WARNING: ASTC texture format is not supported, decompressing texture WARNING: ETC2 texture format is not supported, decompressing texture And it seemed that builder returned When Unity loads a Crunch-compressed texture, it decompresses the texture to DXT or ETC on the CPU, and then uploads the DXT or ETC compressed texture data to the GPU. RGBA is a version of RGBwith an alpha channel, which supports blending and opacity alteration. Supported by NVIDIA Tegra. dds, . Unity and ASTC. If an Android device doesn’t support the texture compression format you use for a texture, Unity decompresses the texture at runtime. 用d3d compute shader实时压缩astc纹理，实现的是ASTC的一个子集。 ASTC decode mode extensions for OpenGL ES and for Vulkan are now published by Khronos. On each normal map texture there was “RGB(A) Compressed ASTC 6x6 block” selected by default, so I left it If you have two different platforms both running on android, but you need two different texture compression formats (DXT vs ASTC) is there any way to make unity cache both compression versions in the library folder? As it is now we have to constantly reimport when switching build targets between standard Android devices and the MagicLeap2. So if you can update to Unity 2021. Available on devices with PowerVR GPU. It worked well before, but since I have updated to polyspatial 1. For more information, #tcf_astc for Adaptive Scalable Texture Compression (ASTC) #tcf_atc for ATI texture compression (ATC) #tcf_dxt1 for S3 DXT1 texture compression (DXT1) Shall I give ASTC(4x4) texture compression in iOS platform? We are supporting from iOS 11 and above. It is a bit of work to build separate builds, detect the format support, load the right app and later import external Thank you for helping us improve the quality of Unity Documentation. ETC1 is supported by all devices. ASTC-8×8. Unity - Manual: Texture compression in WebGL (unity3d. Our team is working on a great big project and we changed the default texture compression on Android to ASTC (which takes a TON of time to recompress everything, fair enough) We did the ol’ git commit and git push, expecting that change to propagate to the whole team, but it seems to not have. If you want to get a higher compression rate, select a larger block size (8x8 to 12x12 ASTC) in the individual texture import settings. Its unclear in the documentation if the fallback is ETC2 or 32 BIT. See Texture Compression, Animation Compression, Audio Compression, Build Compression. Hi, We are developing a complex game which have more number of textures. What’s the recommended texture compression? I created a preset to try ETC but it’s a big project so a huge reimport time, and When I build an APK for Android using the Texture Compression setting set to ASTC in the Build Settings window, the resulting APK is 154 MB. Each texture is typically used for a different purpose such as, standard texturing I’m developing for Oculus Quest. The options are: • Use Player Settings: Uses the texture compression format you set in Player Settings Settings that let you set various player-specific options for the final game built by Unity. ASTC_4x4. Either of the two would be very useful for modern desktop games and 3D apps. But when I’m trying to generate a texture array with ASTC6x6 in the editor (not at runtime), it says it’s not a valid TextureFormat. GL_EXT_texture_compression_astc_decode_mode; VK_EXT_astc_decode_mode The Adaptive Scalable Texture Compression (ASTC) format offers advantages, such as improved rendering performance, faster load times, a smaller in-memory footprint, better battery life, and improved visual quality. ktx, . ASTC includes the following features: Bit rates range from 8 We did not integrate ARM’s solution for RGBM encoded ASTC textures yet. ASTC is An uncompressed RGBA texture is 32 bits per pixel, so a 4x4 texture is 512 bits or 64 bytes. 2 change the minimum iOS version to 13 so that it explicitly cuts off support for iPhone 5s, since no public change logs of 2021. Texture compression format Description Channels Quality Bits The Unity Web build option allows Unity to publish content as JavaScript programs which use HTML5 technologies and the WebGL rendering API to run Unity content in a web browser. Version 4. Right now i am using RGB(A) Compressed ASTC 4x4 - 8x8 block compression on many of my textures. The setup guide says to use ASTC texture compression on the build settings menu, which works fine in general. Generally, ASTC texture compression is available for mobile platforms that support it, like Android and iOS, but you’ll need Unity Pro or a version that includes ASTC support. I read a bunch of posts here that the Terrain texture does not work with ASTC Texture Compression. ASTC (4x4 pixel block in 128 bits) compressed RGB(A) texture format. I am I am currently developing a mobile game, but the image files are not being compressed. ASTC is the best choice for Quest. BPTC: Use BPTC texture compression. To store an alpha channel in a Texture, use RGBA16 bit The sprite shader samples both textures and combines them into the final result. This is a 1:1 ratio as the ratio is in comparison to that uncompressed format. More info See in Glossary that GPUs use at runtime. As an example, Unity decompresses the texture at runtime to a fallback format for older devices that don't support it. I’m loading ASTC compressed textures (compressed with GitHub - ARM-software/astc-encoder: The Arm Here comes my problem: Texture compression. DXT: Also known as S3 Texture Compression (S3TC If I’m using the default Terrain of Unity for the Android platform, it keeps crashing. ASTC is designed to effectively obsolete all (or at least most) prior compressed formats by providing all of the features of the others plus more, all in one format. mtfmfqqojohemoeskzxspkzsoiacetlssirsgixtzjkpz