Astc unity Jan 16, 2020 · We have plans to integrate the improved ASTC specific RGBM encoder into a future Unity version, but I don’t have a specific version yet. The experiment Oct 23, 2024 · disabled keywords: shader_api_gles30 unity_astc_normalmap_encoding unity_colorspace_gamma unity_framebuffer_fetch_available unity_hardware_tier1 unity_hardware_tier2 unity_hardware_tier3 unity_lightmap_dldr_encoding unity_lightmap_rgbm_encoding unity_metal_shadows_use_point_filtering unity_no_dxt5nm unity_no_screenspace_shadows unity_pbs_use Dec 6, 2020 · Unity でのテクスチャフォーマットに関する記事です。テクスチャ圧縮のひとつであるASTCは圧縮率が高く綺麗なフォーマットですが、リニア色空間のプロジェクトでは一部の Android 端末でアルファ値がわずかに低下する問題があります。 ASTC HDR requires Vulkan or GL_KHR_texture_compression_astc_hdr support. 0 Adreno GPU's. Unity hasn’t said if they’ll be supporting Basis or not, though it is something they’ve said they’re looking at. unity 可导入多层psd文件，导入时自动展平，但图层在资源本身中维护。 纹理尺寸大小 Aug 14, 2021 · 额外的测试报告RGBA32额外测试报告ASTC12x12综合表现ETC2额外测试报告链接: 纹理压缩—包体瘦身术笔记. Android. astc， 但其引擎实现和 astcenc 转换出来的文件还是有一些差异的， 因此需要一定的转换。 ASTC HDR requires Vulkan or GL_KHR_texture_compression_astc_hdr support. At the same time visually the picture looks compressed. If you want to support older devices than that, you need to use PVRTC and stick with an older version of Unity (since newer versions support iOS 11-12 and up and drop support for GLES2. 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 (1. This was not a problem when the iOS player used the PVRTC atlas texture, but the sprite atlas sometimes creates a non-square texture when set to ASTC. 56 Aug 20, 2017 · Options for ASTC is block size. astc file) This seems to work fine for LDR compressed ASTC textures, the textures are assigned the format RGBA_ASTC8X8_UNorm However, for HDR compressed astc textures, the textures get still assigned RGBA_ASTC8X8 Jun 15, 2020 · Can we use ASTC HDR 6x6 block for reflections? Everytime i compress an EXR with convolution type to Specular reflections the cubemap ends up all washed out. ASTC can run in faster modes, generating lower quality results in short times, when you are testing and don't yet need or want production quality. When I set to uncompressed (Lightmapping Settings / Compress Lightmaps: unchecked) the shadows look great, but I’m afraid the Lightmaps will be too large. So I’d like to use ASTC and Aug 20, 2017 · Options for ASTC is block size. When not supported, BC6H textures get decompressed to RGBA Half, and BC7 get decompressed to RGBA32 at load time. Q：Unity使用Profiler和UWA内存差异为何差别这么大？ A：Profiler显示的是引擎真实的分配内存，但这个内存在OS中并不仅仅是这些，它会分配更多的内存Page，而且不同的OS版本，不同的厂商分配的都不一样。 Aug 9, 2019 · We are also experiencing this issue of clipped hdr lightmaps with ASTC on Unity 2019. unity에서 주로 사용하게 되는 텍스처 압축 포맷은 dxt, pvrtc, etc1, etc2, astc 등이 있습니다. 4KB）。而我们通常检查Alpha通道是否为空，可以帮助我们判断Alpha的 Unity WebGL微信小游戏适配方案是以WebAssembly为基础，具有非常宽泛的兼容性，转换插件理论上支持的Unity版本涵盖：2018、2019、2020、2021、2022等 但并非每个小版本我们都有足够的验证，我们会根据验证情况以及大量转换游戏反馈的情况给出引擎版本建议。 ASTC HDR requires Vulkan or GL_KHR_texture_compression_astc_hdr support. 89 bits/pixel (12x12 block size). All ASTC textures are RGBA. It’s unclear what to do with them. By default, the Unity Editor sets the Build Settings Apr 3, 2024 · Hi. And yes project is set to high quality lightmaps and linear. 56 bpp / ASTC - 3. Is there any way to know what format Unity expects? As in how exactly do I go from the ASTC file produces by the astc-encoder to a format recognized by Unity? Dec 13, 2022 · ASTC在Unity中的使用. 1. Jan 24, 2025 · 此篇属于 RVT 的扩展，在之前的RVT文章中，RVT的物理贴图尺寸4488，R8G8B8A8要有70M+，这在移动端是不可以接受的. Apr 8, 2021 · ASTC is the best choice for Quest. Ideally, textures should have been compressed Apr 12, 2019 · The ASTC RGB TextureImporterFormat was added to Unity basically as a workaround when there was no “Alpha Source” menu. 7k次，点赞8次，收藏35次。本文深入解析unity中常见的图像压缩算法，包括s3tc（bc系列）、bptc、etc1/2、pvrtc、astc Dec 16, 2024 · Hi everyone! Unity has increased the iOS Player minimum specs to iOS13 and above on Unity 6, thus removing support for iPhone 5/5c. The experiment Dec 21, 2022 · 텍스처 압축 포맷의 종류. May 17, 2021 · The Android ecosystem is diverse in many respects, with hardware support for compressed texture formats being no exception. nvidia. 2, Unity will select the ASTC texture format as default in your projects over those additionally offered (i. 0 support RGB9e5, which is suitable for textures without an alpha channel. 4. 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. Have tried it with and without MipMaps and I have gotten the same Jan 28, 2019 · Hi all, How can I switch the Lightmap compression setting for iOS from the default of PVRTC to ASTC? That is, I can’t find the dialog box or setting. Sep 2, 2021 · I just noticed that Unity already has a native importer for astc textures (by this I mean textures that have already been encoded to ASTC format outside of unity and stored in a . Though when I try to recompress at Normal quality before an important build, the quality doesn’t seem too different to me. Thanks for the reply! It’s good to know the quality/behaviour is the same. 0 的设备都支持 RGB9e5，适用于没有 Alpha 通道的纹理。 现在Unity在Android平台会推荐使用ASTC格式的贴图。贴图资源在序列化时，就会以ASTC的形式存储在Unity序列化文件中。那么什么是ASTC呢？ 相关资料ASTC是AMD和Arm联合开发的贴图压缩格式。贴图压缩格式与传统的图片… There are over 40 different texture compression formats available in Unity 2021, and each has been designed to support a particular set of use cases. 1 跟iOS统一方便处理 1. If you primarily target PC, don’t go for ASTC For HDR textures, ASTC HDR is the only compressed format available on Android devices. 1、iOS. com. 可以确定的是 Unity 里的 astc的图片头信息， 是记录在. basis file and it’d decompress into DXT5 on PC, and ETC or ASTC on mobile. 0 support was also removed, requiring GLES3. For devices that don’t support ASTC HDR, all devices running Vulkan, Metal, or OpenGL ES 3. As with low dynamic range textures, this is the most flexible format. If you need ASTC 6x6 because of the lower bit rate you could try to compress that texture with an external tool and tweak the weighting of the channels to preserve as much of the alpha channel as possible. x3. The problem they encountered was poor image quality when using ASTC to compress RGBM-encoded light maps when compared to ETC2+EAC at the same bit rate. It requires Vulkan or GL_KHR_texture_compression_astc_hdr support. If a device does not support ASTC HDR the texture is decompressed at runtime to RGB9e5 or RGBA Half, depending on alpha channel usage. Right now i am using RGB(A) Compressed ASTC 4x4 - 8x8 block compression on many of my textures. 1和部分支持OpenGL ES 3. Each platform has default texture compression formats. 31f1 and Unity 2019. So if you can update to Unity 2021. 0的GPU。 Jun 14, 2022 · Memory. ASTC format textures feature fine grained control over compression quality, allowing developers to trade off fidelity with data size Oct 16, 2023 · Hi, I was wondering what happens if a device does not support astc texture compression on android (i. Unity projects can use two techniques to encode baked light intensity ranges into low dynamic range textures when this is needed: ASTC - 3. 2, I highly recommend it. Unless you’re targeting specific hardware (such as Tegra), ETC2 compression is the most efficient option for Android, offering the best balance of quality and file size (with associated memory size requirements). 4KB vs 341. Similar to DXT5 it stores the alpha channel in a separate subblock, so it’s uncorrelated to the RGB channels. 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. 4x4 is the highest quality. How can you be sure if 一种四分量、ASTC 压缩格式，其中每个 128 位压缩纹素块对一个 12×12 矩形的无符号归一化 RGBA 纹素数据进行编码。 RGBA_ASTC4X4_UFloat: A four-component, ASTC compressed format where each 128-bit compressed texel block encodes a 4×4 rectangle of float RGBA texel data. Its unclear in the documentation if the fallback is ETC2 or 32 BIT. Mar 1, 2018 · 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. If a device doesn’t support ASTC HDR the texture is decompressed at runtime to RGB9e5 or RGBA Half, depending on alpha channel usage. But “caniuse” and other sources say that modern desktop browsers support WEBGL_compressed_texture_astc. 4x4 is the highest 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. It is supported by iOS devices above iPhone6 and iPad mini 4, but not supported by iPhone 5s in 2014 and devices before iPad mini 3. Feb 21, 2023 · 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 explanation: We created a platform for our clients to load 51CTO博客已为您找到关于Unity 使用外部工具压缩的astc图片的相关内容,包含IT学习相关文档代码介绍、相关教程视频课程,以及Unity 使用外部工具压缩的astc图片问答内容。更多Unity 使用外部工具压缩的astc图片相关解答可以来51CTO博客参与分享和学习,帮助广大IT技术 May 24, 2021 · 控制贴图资源的包体大小，依赖于ASTC压缩格式的规范是否合理，毕竟压缩为ASTC 8x8后容量与ASTC 6x6相比减小了约44. Unity’s official description of the ASTC format supported in Android: Nov 4, 2024 · 请注意，在实际项目中，可能需要根据具体需求调整压缩格式和块大小，以达到最佳效果。通过上述技术详解和代码实现，你可以在Unity3D项目中有效地使用ASTC贴图压缩格式，以减小游戏包的大小并提高加载速度。_unity astc You can import Textures from DDS files, but only DXT, BC compressed formats, or uncompressed pixel formats are supported. 4KB vs 154. So you could have a single . Feb 10, 2025 · ASTC: Recent format designed to supersede prior formats. 2022年了，Android平台的ASTC支持度现在怎么样了，预计2023年上的游戏能不能无脑上ASTC了？ 1. 1 纹理导入： unity 支持读取以下文件格式. And the sRGB checkbox doesn’t seem to do anything. ASTC（Adaptive Scalable Texture Compression），由ARM和AMD联合开发，2012年发布，是较新的一种压缩 Feb 6, 2018 · 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 uncompressed textures into the build, pumping up the size of May 10, 2021 · Using the ASTC texture format for a texture with and without an alpha channel, consumes the same amount of memory? Is this correct? I’ve tested Unity 2018. com) PC端：DXT DXT(又名S3TC，S3 texture compression)是一种有损纹理压缩算法，可以说DXT是目前应用最广泛的纹理压缩格式，可以认为所有的PC端显卡都支持DXT压缩。 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. On the plus side, ASTC tools are 4-20x faster than its closest competitor, ETC2, for production output. 6. Is this intended or is it a bug? Mobile browsers with adaptable scalable texture compression (ASTC) set as the texture compression format. 所以需要找一个合适的运行时压缩方式，测试过UE的 ETC2 压缩，效率没问题，但是效果不太理想，所以想要在运行时使用 ComputeShader 压缩贴图为ASTC astc配列にASTC圧縮されたテクスチャデータが入っています。 Texture2Dにロードする LoadRawTextureData を使うことで、ピクセル単位ではなく生データとしてロードできます。 对于 HDR 纹理，ASTC HDR 是 Android 设备上唯一可用的压缩格式。ASTC HDR 需要 Vulkan 或 GL_KHR_texture_compression_astc_hdr 支持。ASTC 是最灵活的格式。 对于不支持 ASTC HDR 的设备，所有运行 Vulkan、Metal 或 OpenGL ES 3. 0+ for Android Players. I am talking about this option here: Thanks! Aug 19, 2022 · Increment列表示压缩比的增量，这也表示ASTC的比特率可以在小数级变化，这种技术称为BISE（Bounded Integer Sequence Encoding）。 ASTC的压缩非常复杂，分了很多可变的配置数据，也不打算再深入研究了。 Oct 2, 2020 · @carcasanchez You could use ETC2 RGBA. My goal is to set it to a different compression types on one of my UnityCloudBuild configs. 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. Notes on Android. I’ve read in few places that they are decompressed at runtime in such cases but needs Jun 14, 2022 · 1）Android平台压缩纹理ETC2 VS ASTC 2）Unity使用Profiler和UWA内存差异巨大 3）Unity 2020 IL2CPP打包异常 4）TouchScreenKeyboardWrap在PC模式下打包报错这是第301篇UWA技术知识分享的推送。 Oct 24, 2018 · Unity创建艺术字体; 飞书机器人发送unity手机中日志; Shader变种收集PassType的问题; Unity边玩边下限制下载速度; URP场景渲成一张图优化性能; URP下让美术同学困惑的多主光计算; 打包IOS遇到一个报错; 动态开关的宏导致Shader内存过大 Dec 27, 2022 · 安卓主流压缩格式正在从ETC2转向ASTC。 Unity官方对安卓ASTC格式支持的说明： Unity - Manual: Recommended, default, and supported texture formats, by platform. Jan 29, 2022 · When ASTC is selected in build settings (or Player Settings for Unity versions that have it) the ASTC block size depends on the “Compression” dropdown in the Default platform tab of the TextureImporter UI (Normal=6x6, Low=8x8, High=4x4). Shadows in Unity. Dec 24, 2024 · ASTC在Unity中的使用，Unity5的AssetBundle修改比较大，所以第一条建议是：忘掉以前的用法，重新来！要知道，Unity5已经没办法加载2. 0的GPU。 安卓主流压缩格式正在从etc2转向astc。 unity官方对安卓astc格式支持的说明： 4. While the legacy PVRTC texture compression format was the only compressed option for older Power-VR based phones, the recommended formats for newer phones are the newer ETC and ASTC Jun 16, 2021 · <think>好的，用户想了解Unity中ASTC图片压缩的原理及实现方式。首先，我需要回顾之前提供的引用内容，尤其是引用2、3和4，它们详细讨论了ASTC在Unity中的应用和特点。ASTC是ARM开发的纹理压缩格式，支持多种块尺寸，如4x4、5x5等，能灵活平衡质量和压缩率。 Apr 7, 2021 · Will Unity 2021. open gl 3. 1 and 2021. 用d3d compute shader实时压缩astc纹理，实现的是ASTC的一个子集。 Aug 3, 2021 · Integrated Success 팀은 유니티 고객들이 복잡한 기술적 문제를 해결할 수 있도록 지원합니다. Phones generally have less VRAM, so the ‘better’ choice (except seperate mobile and desktop builds) is to use ASTC. 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. Feb 16, 2017 · I have a texture, that is 0,7 MB in PVRTC, 1,3 MB in ASTC, 2,7 MB in RGB 16 bit, 4,0 MB in RGB 24 bit, and is 80 Kb (!) in PNG. ASTC 12×12 Apr 26, 2025 · 使用单一的 astc 压缩格式在桌面端运行时，astc 格式的纹理需要先解压成对应未压缩的纹理格式然后再上传 gpu 。 解压过程在主线程执行，会带来严重的卡顿问题；上传未压缩的纹理到 GPU , 也会导致显存的浪费（显存占用超过4倍）。 ASTC HDR requires Vulkan or GL_KHR_texture_compression_astc_hdr support. 3 Dec 18, 2021 · ASTC提出的有界整数序列压缩(BISE bounded integer sequence encoding)，更紧凑的整数序列编码，可以达到分数级的bit per value。正是由于有了这个特性，才使得ASTC能有广泛的不同级别的压缩比特率。 ASTC的搜索参数空间大小估算. 7KB），压缩为ASTC 8x8后容量与ASTC 4x4相比减小了约300%（85. 8 Mb) vs ETC2 (4 Mb 一、技术详解ASTC（Adaptive Scalable Texture Compression）是一种先进的纹理压缩格式，特别适用于OpenGL ES 3. ASTC HDR requires Vulkan or GL_KHR_texture_compression_astc_hdr support. Should you wish to use PVRTC to Aug 14, 2021 · 额外的测试报告RGBA32额外测试报告ASTC12x12综合表现ETC2额外测试报告链接: 纹理压缩—包体瘦身术笔记. More info See in Glossary to create builds that target platforms based on the texture compression 3D Graphics hardware requires Textures to be compressed in Nov 3, 2020 · 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). SupportsTextureFormat returns true for. ETC/ETC2). Apple started to support ASTC from the A8 processor. Switching to RGB9e5 helps, but seems to require way more memory, so an ASTC compression would be way better. 20f1 and I’m testing on an Android Samsung Galaxy S6. Adaptive Scalable Texture Compression (ASTC) A block-based format with a large degree of customizability. Partition数量：3072 + 1; DualPlane：2 Nov 21, 2020 · 後に出てきた ASTC は PVRTC より優秀で、高圧縮ながら見た目の顕著な劣化が見られにくくなっている。 参考 : (2016-09) 【Unity】iOSでASTCフォーマットのテクスチャ圧縮を使う - テラシュールブログ Feb 17, 2023 · Hello, I am using forced ASTC 4x4/6x6 compression for some selected textures in my game for both the iOS and Android platform. 20f1. 3: 26562: August 29, 2018 Oct 20, 2022 · Unity Android平台中如何取舍ASTC ECT2格式纹理. Nov 8, 2017 · I’m using ASTC 4x4 and Fast during development, because my old 2015 Macbook Pro takes forever to compress the 8k atlases I’m using at Normal quality. 4KB）。而我们通常检查Alpha通道是否为空，可以帮助我们判断Alpha的 May 17, 2021 · Beginning in 2021. And note that Unity 2021. Beginning in 2021. Have tried it with and without MipMaps and I have gotten the same ASTC压缩格式总结. Dec 11, 2019 · The engineering team at Unity recently asked us to help them investigate a developer bug report. From Unity there’s 4 5 6 8 10 12 to choose from. Unity几种ETC纹理压缩格式： ASTC. OnBecameVisible()and OnBecomeInvisible() callbacks in Feb 18, 2023 · 在压缩过程中，ASTC会对块内颜色分布进行分析，并根据颜色分布进行分区，分别存储对应的端点对。解码时，通过插值计算出每个像素的颜色值。在Unity3D中，实现ASTC贴图压缩主要通过设置TextureImporter的压缩格式来完成。 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. Skyboxes in Unity. Jan 26, 2023 · Recently I found some information about the ASTC texture format on the internet. 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 Nov 15, 2019 · The big difference is a single Basis file can decompress into different GPU formats depending on the platform. Nov 17, 2021 · 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. 安卓主流压缩格式正在从ETC2转向ASTC。 Unity官方对安卓ASTC格式支持的 Oct 31, 2018 · クオリティが許容できるものはサイズ節約のためASTC 8x8; アルファが無くてクオリティを高くしたいものはASTC RGB 4x4; アルファがあるものはASTC RGBA 4x4; Androidは対応端末でASTCを使えるかによって方針が変わります。 Jan 8, 2020 · 最近在Connect社区上看到有许多同学在问纹理压缩方面的问题，想着跟大家聊聊Unity纹理压缩技术方面的内容，也希望大家在社区多交流，共同进步～ - Unity技术专栏是中国Unity官方为开发者准备的中文技术分享社区，极简高效的markdown文本编辑器体验更适合Unity开发者日常记录开发经验和灵感，通过 Oct 17, 2021 · 现在在 Unity 中要使用 ASTC 格式非常简单：选择纹理导入设置，选择 ASTC 格式，完成！ 这就结束了吗？ 显然事情并没有这么简单，上面提到过的硬件的限制使得我们无法这么简单的选择，因为在不支持的硬件上使用 ASTC 格式，会被软解为 RGBA，从而数倍的增加其 Dec 11, 2019 · The problem they encountered was poor image quality when using ASTC to compress RGBM-encoded light maps when compared to ETC2+EAC at the same bit rate. Unity Engine. For Android, the defaults are ETC2 for RGBA textures and ETC for RGB textures. DXT tools might run 2-10x faster. real time ASTC texture compression by computer shader. Aug 4, 2020 · The app needs to know the image dimensions and the ASTC block format in advance before it can show the texture. Very old devices don’t support this however, so otherwise stick to ETC2. 2 are dramatically faster at importing ASTC than Unity 2020. More info See in Glossary or OpenGL. 56 Feb 11, 2014 · Inside of unity you can try to set a overwrite on the compression and size per platform and you will see that ASTC is only available on Android. Unity lets you enable ASTC on Android, iOS, tvOS, and WebGL if the hardware supports it. ASTC is the most flexible format. Unity have kindly let us use it as a case study for this blog. 官方文档中提到GPU对ASTC的支持情况：所有支持OpenGL ES 3. Aug 21, 2020 · 现在在 Unity 中要使用 ASTC 格式非常简单：选择纹理导入设置，选择 ASTC 格式，完成！ 这就结束了吗？ 显然事情并没有这么简单，上面提到过的硬件的限制使得我们无法这么简单的选择，因为在不支持的硬件上使用 ASTC 格式，会被软解为 RGBA ，从而数倍的增加其 While Unity supports many common image formats as source files for importing your Textures (such as JPG, PNG, PSD and TGA), these formats are not used during realtime rendering by 3D graphics hardware such as a graphics card or mobile device. It looks like Unity should fix the uv calculation implementation like the Android player. While the legacy PVRTC texture compression format was the only compressed option for older Power-VR based phones, the recommended formats for newer phones are the newer ETC and ASTC Jun 16, 2021 · <think>好的，用户想了解Unity中ASTC图片压缩的原理及实现方式。首先，我需要回顾之前提供的引用内容，尤其是引用2、3和4，它们详细讨论了ASTC在Unity中的应用和特点。ASTC是ARM开发的纹理压缩格式，支持多种块尺寸，如4x4、5x5等，能灵活平衡质量和压缩率。 文章浏览阅读5. 4 ASTC有没有什么坑，看到有说华为部分机器不支持 May 27, 2021 · EDIT: Turns out this seems to be a bug, so here is the report: (Case 1339307) 2019. 4KB）。而我们通常检查Alpha通道是否为空，可以帮助我们判断Alpha的 Feb 13, 2025 · 加载性能优化，由于ASTC的高效压缩，资源的磁盘占用也相应减少。兼容性良好，通过自动检测设备支持情况，确保了游戏在不同设备上的稳定运行。视觉效果优化，针对特定场景调整了压缩方案，避免了画质损失。_unity astc May 9, 2022 · 一、图片大小问题 Unity打包后的图片大小仅与分辨率和导入设置有关，和原图大小无关。例如，jpg是有损压缩，压缩源文件只会让最终结果变模糊，对打包后的大小没有任何帮助。 二、DXT压缩 1，DXT是PC端常用的压缩算法，质量较低 2，压缩算法介绍 DXT压缩将图片拆分成4*4的小块，每一块取极值的 Oct 14, 2022 · ASTC is for mobile. e. On Windows, we encode some of them using BC7 and some of them using BC6H. 0及更高版本。ASTC在2012年推出，自那以后已经成为游戏开发中重要的纹理压缩技术。它不仅在iOS设备… Mar 13, 2022 · 和 Unity 兼容性. RGBA与ASTC与ETC2压缩与实际对比体验测试环境(第一次写，有需要补充可评论)：Unity版本：2019. Occlusion Culling in Unity. ASTC图片纹理压缩探讨 Unity3D - 关于ASTC压缩格式的一些资料搜集 Using ASTC Texture Compression for Game Assets Texture compression formats for platform-specific overrides Aug 4, 2020 · ASTC压缩格式总结. 11f1手机：Re_etc2 astc Feb 21, 2023 · 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 explanation: We created a platform for our clients to load 51CTO博客已为您找到关于Unity 使用外部工具压缩的astc图片的相关内容,包含IT学习相关文档代码介绍、相关教程视频课程,以及Unity 使用外部工具压缩的astc图片问答内容。更多Unity 使用外部工具压缩的astc图片相关解答可以来51CTO博客参与分享和学习,帮助广大IT技术 May 24, 2021 · 控制贴图资源的包体大小，依赖于ASTC压缩格式的规范是否合理，毕竟压缩为ASTC 8x8后容量与ASTC 6x6相比减小了约44. jp ブロックの大きさを指定可能で、ブロックのサイズが ASTC HDR requires Vulkan or GL_KHR_texture_compression_astc_hdr support. 2, Unity will employ ASTC as its default texture format for iOS, unifying Unity’s approach to iOS and tvOS. flatlib. 早期 Unity(2018-2020) 不支持对 ASTC 纹理格式进行导出，因此在移动端中无法充分利用 GPU 完成硬件的解码渲染。为弥补这一缺陷，微信 Unity SDK 提供压缩纹理按需加载的能力工具。使用该工具将对项目获得如下增益： Dec 14, 2020 · 今回はABではないためUnityのASTCエンコードには頼らず、自前でASTCエンコードを行います。 幸いにもARMから公式のエンコーダが公開されてますので、今回はそれを使います。 Apr 13, 2023 · When trying to run a build with astc-compressed texture on a desktop browser, the message “RGBA Compressed ASTC12X12 UNorm format is not supported, decompressing texture” appears in the console. Android’s mainstream compression format is shifting from ETC2 to ASTC. OpenGLES 2. Since the release of Apple’s A8 chip in 2014, this has been the recommended format for both RGB and RGBA textures; it features fine grained control over compression quality, allowing developers to trade off fidelity with data size. If you want to get a higher compression rate, select a larger block size (8x8 to 12x12 ASTC) in the individual texture import settings. 二、适配机型. ASTC图片纹理压缩探讨 Unity3D - 关于ASTC压缩格式的一些资料搜集 Using ASTC Texture Compression for Game Assets Texture compression formats for platform-specific overrides Mar 29, 2018 · 2018/03/29 追記 ASTC ・高圧縮率でキレイなテクスチャになる。 ・使えるのはA8以降のCPU ・AndroidはETC2が良いかも？？ 参考URL：カヤックさんのページ【U… For HDR textures, ASTC HDR is the only compressed format available on Android devices. 8%（85. Adaptive Scalable Texture Compression (ASTC)是Arm和AMD共同研发的一种纹理压缩格式，不同于ETC和ETC2的固定块尺寸（4x4），ASTC支持可变块大小的压缩，从而获得灵活的更大压缩率的纹理数据，降低GPU的带宽和能耗。 ASTC虽然尚未成为OpenGL的标准格式，只是以扩展的形式存在，但目前已经广泛地被主流GPU支持，可谓不是标准的的标准扩展。 但在Vulkan中，ASTC已经是标准的特性了。 unity 虽然也支持了 . Looking at the Profiler, I find memory costs for those textures that don’t make Feb 3, 2021 · Probably the iOS player uses an implementation that assumes the atlas texture is always a square texture. Our investigation highlighted several interesting lessons for getting the most effective compression using ASTC. On Android, both HDR and LDR profiles are available. 1f1) PatHightree1 December 23, 2014, 10:19am Mar 1, 2018 · 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. The best case scenario for me if it went like this: ASTC → ETC2 → 32 BIT Thanks! Dec 16, 2024 · Hi everyone! Unity has increased the iOS Player minimum specs to iOS13 and above on Unity 6, thus removing support for iPhone 5/5c. 2 更多选择控制压缩比例 44->1212 1. 3 效果比ETC2更好 1. Will it fallback to the “ETC2 Fallback”, it is quite unclear in the documentation. 11f1手机：Re_etc2 astc Dec 6, 2021 · If you want to use ASTC, then you will only be supporting iPhone 6, iPad mini 4, iPad Air 2 and newer. The Arm Developer Program brings together developers from across the globe and provides the perfect space to learn from leading experts, take advantage of the latest tools, and network. 0 となっており、現在のunity開発ではこの設定が主流なようです。 Sep 28, 2016 · 今回はPVRTCと比較して割と綺麗で消費メモリも少ないASTCフォーマットのテクスチャ圧縮を使用する方法についてです。 ASTCについて ASTC を使用する ASTCとPVRTCとTrueColorを比較してみる 使えるのはA8以降のCPU 関連 ASTCについて wlog. unity中有一个bug，导入的图片莫名的边缘会有其他颜色出现，刚开始我们以为是压缩格式的问题，但是后来改成rgba32还是有问题，google搜了一下，说是把图片设置为astc格式会使该问题消失。所以就有了下面的机型适配。 Aug 11, 2023 · 参考文章：[Unity优化]图片压缩格式 - 知乎 (zhihu. csdn网速很慢: unity不支持jpg吧。 jpg是导入前的格式，导入后会在缓存中实际使用unity的压缩格式。 不过astc我看的内存显示是解压后的。 解压送和送解压是2中逻辑，你确定是后者？ One last note: ASTC compression takes time for best results. 苹果从A8处理器开始支持 ASTC，iPhone6及iPad mini 4以上iOS设备支持，2014年的iPhone 5s及iPad mini 3以前的设备不支持。 2、安卓. If your game is in Unity, support for app bundles with Play Asset Delivery is available in Unity 2021. I’m using Baked GI and the PVRTC looks really horrible. Aug 26, 2020 · 现在在 Unity 中要使用 ASTC 格式非常简单：选择纹理导入设置，选择 ASTC 格式，完成！ 这就结束了吗？ 显然事情并没有这么简单，上面提到过的硬件的限制使得我们无法这么简单的选择，因为在不支持的硬件上使用 ASTC 格式，会被软解为 RGBA，从而数倍的增加其 Jul 24, 2019 · 我今天使用了 Unity 官方公开的一个场景中使用的 2048x2048 的切线空间法线贴图。 astc 最具弹性，选择 6bpp 就能到达到 dxt 8bpp ASTC（4x4 像素块，128 位）压缩 RGB(A) 纹理格式。 "Unity"、Unity 徽标及其他 Unity 商标是 Unity Technologies 或其附属机构在美国及 对于 HDR 纹理，Android 设备上可用的压缩格式仅为 ASTC HDR。ASTC HDR 需要 Vulkan 或 GL_KHR_texture_compression_astc_hdr 支持。ASTC 是最灵活的格式。如果设备不支持 ASTC HDR，则在运行时将纹理解压缩为 RGB9e5 或 RGBA Half，具体取决于颜色通道的使用情况。 ASTC が推奨されますが、A7 デバイス (初期の Metal 対応デバイス) ではサポートされておらず、ランタイムに解凍されます。 サポートされているすべての形式の詳細については、 サポートされるテクスチャ圧縮形式リファレンス表 を参照してください。 Dec 30, 2020 · Using ASTC Texture Compression for Game Assets developer. ASTC texture compression in Unity. That optimizes VRAM usage for mobile, and adding some VRAM usage on desktop. 12x12 is biggest blocksize, gives smallest compressed size and has the worst quality. If the convolution type is set to none and i use the cubemap has a skybox everything looks fine. 4: Profiler: ASTC texture memory cost not correct I’m using Unity 2019. If an Android device does not support ASTC format, what will Unity then use. Can I ship the texture as PNG (to have a small build), then encode it to ASTC on the device (to have small memory footprint)? Apr 11, 2023 · 2023年時点では一部のAndroid端末がASTCに対応していないこともあり、Overrideで設定していなければ、unityの画像フォーマットはデフォルトで iOSでPVRTC、AndroidでETC2. RGBA_ASTC5X5_UFloat Mar 31, 2023 · As a result, ASTC blocks linger around the texture’s edge, only partially filled with relevant data. Sep 18, 2019 · The ASTC format doesn’t differentiate between RGB and RGBA textures. meta 文件里的， 即通过 Asset Importer导入之后， 打包或者生成 Assetbundle 是 strip 掉16 位头信息的。 ASTC（4x4 像素块，128 位）压缩 RGB(A) 纹理格式。 "Unity"、Unity 徽标及其他 Unity 商标是 Unity Technologies 或其附属机构在美国及 控制贴图资源的包体大小，依赖于ASTC压缩格式的规范是否合理，毕竟压缩为ASTC 8x8后容量与ASTC 6x6相比减小了约44. bmp，exr，gif，hdr，iff，jpg，pict，png，psd，tga，tiff. 0 devices). Options for ASTC is block size. 유니티의 선임 소프트웨어 엔지니어로 구성된 이 팀과 함께 모바일 게임 최적화에 관한 전문적인 지식을 공유하는 자리를 마련했습니다. For now if you want RGBM encoded HDR cubemaps on mobile then please use ETC2 RGBA. 0). x的bundle包了…体会一下Unity5AssetBundle的优势：Cube引用Material，给Cube和Material设置不同的assetBundleName，分开打包，两个包各自只包含自己，各自独立。 Mar 29, 2024 · 在压缩过程中，ASTC会对块内颜色分布进行分析，并根据颜色分布进行分区，分别存储对应的端点对。解码时，通过插值计算出每个像素的颜色值。在Unity3D中，实现ASTC贴图压缩主要通过设置TextureImporter的压缩格式来完成。 Aug 20, 2017 · ASTC. Without alpha channel: 170 KB: With alpha channel: 170 KB Nov 18, 2023 · Yep, for good compression on android use ASTC. 3D graphics hardware requires Textures to be compressed in specialized formats which are optimised for fast Texture sampling. I’m using the texture format ASTC 8x8 which SystemInfo. keefor: 你可以看看别的astc文章，这篇它不配。 ASTC在Unity中的使用. 知乎，中文互联网高质量的问答社区和创作者聚集的原创内容平台，于 2011 年 1 月正式上线，以「让人们更好的分享知识、经验和见解，找到自己的解答」为品牌使命。知乎凭借认真、专业、友善的社区氛围、独特的产品机制以及结构化和易获得的优质内容，聚集了中文互联网科技、商业、影视 ASTC：IOS9之后支持ASTC压缩，ASTC在压缩质量和容量上有很大优势，以ASTC 4x4 block压缩格式为例，每个像素占用1字节，8bits。一张1024*1024大小的贴图压缩后的大小为1M。ASTC的Nvidia引文; 现阶段安卓也逐步往ASTC上倾斜，但是支持有问题，支持Op May 17, 2021 · The Android ecosystem is diverse in many respects, with hardware support for compressed texture formats being no exception. For Apple devices that use the A8 chip (2014) or above, ATSC is the recommended texture compression format for RGB and RGBA textures. 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 encoded (compression Apr 28, 2022 · 安卓主流压缩格式正在从ETC2转向ASTC。 Unity官方对安卓ASTC格式支持的说明： Unity - Manual: Recommended, default, and supported texture formats, by platform. 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. The ACTC format was designed with the intent to give developers greater control over that sliding scale between quality and file size. com) ASTC压缩格式总结 - 简书 (jianshu. Unity にバグ報告しましたが、問題の原因がGPUにあるということで、Unity 的には仕様ということになりました。 Unity Issue Tracker - Android The alpha channel value of a ASTC Compressed sRGB textures is always slightly less than 1. This format allows you to choose between texture quality and size on a granular level: all the way from eight bits/pixel (4x4 block size) down to 0. Should you wish to use PVRTC to 控制贴图资源的包体大小，依赖于ASTC压缩格式的规范是否合理，毕竟压缩为ASTC 8x8后容量与ASTC 6x6相比减小了约44. ASTC HDR is the only compressed format available on Android devices for HDR textures. Mip mapping. If an alpha channel or even wider support is needed, use RGBA Half. (Unity 4. jvidno qchjvq uvy fifxef gdglo kssy ibt vqgjtbfl cqlyxtm gxhh