Vulkan Texture Compression, 341, incorporates the Roadmap 2026 Profile for Texture compression comparison This sample demonstrates how to use different types of compressed GPU textures in a Vulkan application, and shows the timing benefits of each. Formats Vulkan formats are used to describe how memory is laid out. This requires enabling and using the A compute shader reads input texture from step 1, does {whatever GPU texture compression you do}, and writes into the "one pixel per BCn block" temporary 此示例展示了 Vulkan 应用程序如何控制 VkImage 元素的压缩，特别是帧缓冲附件和交换链。 这需要启用并使用扩展 VK_EXT_image_compression_control 和 This sample demonstrates how to use different types of compressed GPU textures in a Vulkan application, and shows the timing benefits of each. Texels within an image are compressed in small square or rectangular blocks I'm interested in using a BC1 compressed image in Vulkan. In this blog we explore how FFmpeg uses Vulkan Compute to seamlessly accelerate encoding and decoding of even professional-grade video on consumer GPUs — unlocking GPU Texture compression comparison The source for this sample can be found in the Khronos Vulkan samples github repository. 264/5, AV1 compressed video content. The limitation with these formats is that the size of the block compressed texture needs to be a multiple of 4. Unless Uploading the texture data Once transcoded, the ktxTexture object contains the texture data in a native GPU format (e. So right now testing out updating a texture for every frame as whatever 2D is going on. It's using Vulkan 1. 1 released for all Radeon graphics cards on Windows 10/11. 使用 Vulkan-Hpp 的纹理压缩比较 此示例的源代码可以在 Khronos Vulkan 示例 github 存储库 中找到。 此示例演示了如何在 Vulkan 应用程序中使用不同类型的压缩 GPU 纹理，并展示了每种纹理的时间 This readme lists all Vulkan samples currently available in this repository. 0 format during this years Vulkanised online event. 1 CopyResource APIs are available in both Direct3D 11 and Direct3D 12, but like Vulkan 1. There isn't any information I can find on how to do this. 3 The following image formats can be passed to, and may be returned from Vulkan commands. Many samples come with a tutorial, which can be found in their respective folders. HPP Timestamp queries I am struggling to understand a simple feature I need to query using the Vulkan API: I need to determine all the texture formats supported by my GPU. I'm trying to work with 2D in vulkan along with 3D. 0, OpenGL ES 3. 0 for Linux, macOS, and Windows delivers support for Vulkan API 1. These tips will help you get going using Vulkan. In Vulkan, texture data is transferred to We would like to show you a description here but the site won’t allow us. Contribute to KhronosGroup/Vulkan-Samples development by creating an account on GitHub. Putting two vec2 texture coordinates into a single vec4 value is a common practice, but other strategies employ more creative packing and on-the-fly data compression. This chapter aims to give a high-level overview of the variations of formats in Vulkan and some logistical information for how to use C++ examples for the Vulkan graphics API. PBR) Trades This extension adds support for textures compressed using the Adaptive Scalable Texture Compression (ASTC) High Dynamic Range (HDR) profile. This requires enabling and using the Hey, It's been a while already researching this without great findings. I've gotten something of a texture updater This sample demonstrates how to use different types of compressed GPU textures in a Vulkan application, and shows the timing benefits of each, using Vulkan-Hpp. KTX is a GPU texture container format for This new sample demonstrates how to use different types of compressed GPU textures in a Vulkan application showing the timing benefits of each using Vulkan-Hpp. In this video we learn how to create and populate an image object in Vulkan and attach it to the graphics pipeline object to enable sampling from the fragmen This project is a Vulkan Video Sample Application demonstrating an end-to-end, all-Vulkan, processing of h. This requires enabling and using the Optimal use of Vulkan is not a trivial concept, especially in the context of a large engine. This functionality has been Texture Compression primer Since 1999 with S3 Texture Compression (S3TC) Indispensable due to Larger and more detailed textures Increasing number of material properties (e. One stop solution for all Vulkan samples. Finally, update the descriptor writes: Since the Texture is not N-buffered (because Vulkan also supports multiple 1D textures stored in a single texture object called array texture, whose elements are usually referred to as layers. Texture compression comparison The source for this sample can be found in the Khronos Vulkan samples github repository. This was a significant undertaking that Texture compression comparison This sample demonstrates how to use different types of compressed GPU textures in a Vulkan application, and shows the timing benefits of each. The short (15 minutes) talk contains some Texture compression comparison using Vulkan-Hpp The source for this sample can be found in the Khronos Vulkan samples github repository. 0 describes the ASTC format enums as UNORM, e. g. 0) format: Basis Universal supercompression, DFD system, modern GPU support, and why it's the standard for Vulkan and I've been trying to load compressed images with S3TC (BC/DXT) compression in Vulkan, but so far I haven't had much luck. 使用RenderDoc可以截帧查看下1D纹理的实际使用情况 2）Texture 2D（2D纹理） 2D纹理是实际应用中使用最多的纹理，无论是从图片中加载数据，还是创建RenderTexture，SwapChain，FrameBuffer This sample demonstrates how to use different types of compressed GPU textures in a Vulkan application, and shows the timing benefits of each. 337 released a short time ago as what could be the last Vulkan API spec update of 2025 depending upon how much time the working Understanding BCn Texture Compression Formats February 12, 2012 · Coding, GPU, Graphics · 27 Comments The current state of the art in The geometry has been colored using per-vertex colors so far, which is a rather limited approach. Read About Android App Bundles and Play Asset Delivery NVIDIA introduced RTX Mega Geometry to render high-quality assets with higher instance counts and greater triangle density through NVIDIA RTX Kit. Vulkan's equivalent compressed texture formats follow the DX10+ naming convention. This sample demonstrates how to use different types of compressed GPU Compressed texture images stored using the S3TC compressed image formats are represented as a collection of 4×4 texel blocks, where each block contains 64 or 128 bits of texel Limits are reported via the basic VkPhysicalDeviceLimits structure as well as the extensible structure VkPhysicalDeviceProperties2, which was added in VK_KHR_get_physical_device_properties2 and This extension adds support for 3D textures compressed using the Adaptive Scalable Texture Compression (ASTC) format. This sample demonstrates how to use different types of compressed GPU textures in a Vulkan application, and shows the timing benefits of each. NVIDIA Optix update adds RTX Mega Geometry NVIDIA OptiX is a toolkit that helps create Note however that this additional compression pass can lead to smaller . Create an optimal-typed Vulkan image with the appropriate Vulkan 1. 0 introduced Preface Editor暂时还没有任何关于光照，甚至是texture map的相关实现。本篇文章将介绍纹理方面的高效存储及Editor GBuffer的布局，及PBR shading的初步测试。 容器格式 不看轮子和各 This sample demonstrates how to use different types of compressed GPU textures in a Vulkan application, and shows the timing benefits of each, using Vulkan-Hpp. lib library with which you can load modern, Vulkan-tailored, KTX2 format. I've updated the DDS loader to support newer The following image formats can be passed to, and may be returned from Vulkan commands. The technology works with Vulkan 1. If you simply took the closest texel for the texture coordinate in each fragment, then you would get a result like the first Vulkan sparse resources are a way to create VkBuffer and VkImage objects which can be bound non-contiguously to one or more VkDeviceMemory allocations. The contents of The Direct3D 10. 개요PNG와 같은 이미지 압축 형식은 내용을 (최대한) 유지하고 작은 크기로 보관하기 위한 알고리즘이 적용되었다면, 텍스처의 압축은 임의 접근에 유리하면서도 크기를 작게 하는 데에 초점을 ASTC Format Overview Adaptive Scalable Texture Compression (ASTC) is an advanced lossy texture compression technology developed by Arm and AMD. I'm trying to find out how the hell I can write (compress) individual blocks of a block compressed texture with compute. The resulting image quality is quite high, and it In addition to Vulkan explicit sync under X11, another merge request hitting Mesa 24. From this table we can see that The calling application must therefore enable the VK_EXT_texture_compression_astc_hdr extension and its textureCompressionASTC_HDR feature in order to render such textures. In this article I tried to aggregate as much information about Vulkan This sample demonstrates how to use different types of compressed GPU textures in a Vulkan application, and shows the timing benefits of each, using Vulkan-Hpp. This sample demonstrates how to use different types of compressed GPU Texture compression comparison This sample demonstrates how to use different types of compressed GPU textures in a Vulkan application, and shows the timing benefits of each. 1 also offers the possibility of creating a compressed Unordered Access View Complete guide to KTX2 (Khronos Texture 2. The lighting equation is based on the reference C++ examples for the Vulkan graphics API. This new sample demonstrates how to use different types of compressed GPU textures in a Vulkan application showing the timing benefits of each using Vulkan-Hpp. In this part of the tutorial, we’re going to implement texture RTX Neural Texture Compression RTX Texture Filtering RTX Mega Geometry RTX Character Rendering While DirectX Support is not available yet Quick Links Account Products Tools and Software Support Cases Developer Program Dashboard Manage Your Account Profile and Settings The supports of compressed texture formats on D3D12, Metal and Vulkan can be summarized in the following table. This chapter aims to give a high-level overview of the variations of formats in Vulkan and some logistical information for how to use them. We would like to show you a description here but the site won’t allow us. 1 also offers the Using Compressed Texture Formats KTX2 supports GPU texture compression formats. This sample shows how a Vulkan application can control the compression of VkImage elements, in particular a framebuffer attachment and the swapchain. KTX is a Texture compression comparison This sample demonstrates how to use different types of compressed GPU textures in a Vulkan application, and shows the timing benefits of each. This sample demonstrates how to use different types of compressed GPU One stop solution for all Vulkan samples. No such limitation exists in Vulkan. It is compressed, there Supported texture compression formats, by platform The table below shows each compression format available in Unity, and the platforms that support it. This tutorial, along with the accompanying example code, demonstrates how to use Basis universal supercompressed GPU textures in a Vulkan application. 3 的特定章节中进行了描述。 除非另有说明，否则这些压缩格式中编码的量将被视为归一化的无符号值。 how to use compressed textures in Vulkan? Is it the same way as non-compressed textures with formats from one of compressed formats? If yes, when we copy data from memory to I recently gave a talk on texture compression in Vulkan using Basis Universal and the KTX 2. This chapter aims to give a high-level overview of the variations of formats in Vulkan and some logistical information for how to use How to create BC6H encoded KTX2 texture from Vulkan R32B32B32A32_SFLOAT image? I generated cubemap and prefiltered map with R32G32B32A32_SFLOAT using Vulkan, but it's too huge so I C++ examples for the Vulkan graphics API. The contents of a KTX file can range from a simple base-level 2D texture to a cubemap array texture with mipmaps. In Vulkan UV space is the same as GLFW window space: origin is at the top left, +X moves right, +Y moves down. Contribute to NVIDIA-RTX/RTXNTC development by creating an account on GitHub. Texture data can be stored by the GL as single-precision floating-point, normalized integer, VK_EXT_texture_compression_astc_hdr - VulkanHub Compressed Image Formats - VulkanHub This sample shows how to allow a Vulkan application to control the compression of VkImage elements, in particular a framebuffer attachment and the swapchain. 3 Core API Mandated support for new functionality ensures availability on all Vulkan 1. Vulkan 1. These formats have been exposed in other APIs, like OpenGL ES via the 压缩图像格式 Vulkan 使用的压缩纹理格式在 Khronos 数据格式规范 版本 1. They are grouped into multiple categories. 0. I need to extract all textures from an application at the driver level, similar to GFXR and RenderDocs, but I am unclear on the main methodology. New games support, bugfixes and Vulkan Texture compression comparison using Vulkan-Hpp The source for this sample can be found in the Khronos Vulkan samples github repository. When this extension is In this video, we go over Sparse Bindless Texture Arrays, a collection of advanced graphics programming techniques in OpenGL and Vulkan, which can be used to get the most out of the video memory And, as far as I am told by my peers in Igalia, Vulkan drivers are easier and cleaner to implement than OpenGL ones. It helps developers lower memory bandwidth and footprint, Adaptive Scalable Texture Compression (ASTC) with ARM Mali Introduces how to use the ASTC compression standard for textures in Vulkan. Important compression texture formats supported by Adreno GPUs include (beginning with, generally, the best choice): ASTC - Texture compression format supported in OpenGL ES (3. It supports various GPU texture compression formats, mipmap chains, Vulkan 1. It achieves very high storage / transmission efficiency We already showed how to use images when we did compute based rendering, but there are things about images we still need to deal with, specially how to use them in graphics shaders for rendering This sample shows how a Vulkan application can control the compression of VkImage elements, in particular a framebuffer attachment and the swapchain. 4. Additionally, the common ones used to compress generic bit streams losslessly (like Huffman Using Basis Universal supercompressed GPU texture codec with Vulkan Overview This tutorial, along with the accompanying example code, demonstrates how to use Basis universal supercompressed Adreno 600 series All models support the following APIs: Direct3D 12_1, OpenCL 3. VK_FORMAT_ASTC_4x4_UNORM_BLOCK, so it is confusing to make these contain HDR data. crates. This page describes popular texture compression formats used in games and how to target them in Android App Bundles. So VK_FORMAT_BC3_UNORM_BLOCK is exactly what This tutorial teaches how to use Vulkan for rasterization in 2026. This sample demonstrates how to use different types of Adding support to Beyond Engine In the process of enhancing the Beyond engine, I expanded the support for a variety of texture formats in the Vulkan code. [1] [3] In such cases it reduces the overall system level bandwidth and power cost of transferring spatially coordinated The newly released VK_KHR_unified_image_layouts extension is a major milestone on that path. 341. Convert the image data to a DXT format like BC1 or BC3, which provides high compression ratios while maintaining good texture quality. 9. A couple years ago, a technical specification group (TSG), inside the Vulkan Working This sample demonstrates how to use different types of compressed GPU textures in a Vulkan application, and shows the timing benefits of each. 3 and DIrectX12. The main upside of it is that, unlike PNG, BMP etc, it supports texture Formats Vulkan formats are used to describe how memory is laid out. AI reconstruction and smaller textures rewrite the rulebook At GTC 2026, Nvidia unveiled its Neural Texture Compression tech, which aims to be a fundamentally different approach to in If you need support for older devices, or you want additional Crunch compression, then all GPUs that run Vulkan or OpenGL ES 3. Luckily LibGDX provides 2 options for this ETC1 files Physically-Based Rendering example implementation with image based lighting in Vulkan using glTF 2. HPP Texture compression comparison A transcoded version of the Performance sample Texture compression comparison that illustrates the usage of the C++ bindings of vulkan provided by The engine uses zstd+bc7 compressed cubemap textures for faster processing in shaders and lower file sizes. This sample demonstrates how to use different types of Vulkanised 2025: Device-Generated Commands in Vulkan - Ricardo Garcia Neural Texture Compression Just Took One Major Step Forward The Adaptive Scalable Texture Compression (ASTC) format supports compression modes of 3D blocks. In either method, you have an array of different images (either as a single image view or multiple views bound to the same arrayed descriptor). 0 and later) and notice that the uncompressed version takes account the rowPitch, but for the BC1 (compressed) I don't really get rowPitch. There are broadly three categories of Vulkan formats: Non-packed formats: VK_FORMAT_{component-format}_{numeric-format} The component-format specifies the order and sizes of the components in This sample demonstrates how to use different types of compressed GPU textures in a Vulkan application, and shows the timing benefits of each. Texture Compression: Using GameDev Vulkan Usage Recommendations Introduction This Vulkan usage guide assumes the reader is already familiar with the API, but wants to know how to What’s new General improvements Texture compression Support ASTC with mipmaps (fast decompression on desktop) Support KTX More scenes Filesystem With so many texture compression standards and tools, how to find the best match for each texture seems a bit daunting for existing large-scale projects. NVIDIA Neural Texture Compression SDK. The Vulkan SDK 1. This requires enabling and using the Consider a texture mapped to geometry with more fragments than texels. hpp. Here is what the Vulkan specification says about compressed images: https: Introduction Image library Loading an image Staging buffer Texture Image Layout transitions Copying buffer to image Preparing the texture image Transition barrier masks Cleanup Introduction The This sample shows how a Vulkan application can control the compression of VkImage elements, in particular a framebuffer attachment and the swapchain. . An This sample demonstrates how to use different types of compressed GPU textures in a Vulkan application, and shows the timing benefits of each. If you need texture compression, offline mipmap generation, or cubemaps, the default texture formats like PNG won't be sufficient. BPTC This post will be dedicated to the BPTC compressed formats. Here’s how to handle them: Texture compression is essential when optimizing games, especially for mobile devices. 3. Optimize graphics settings The following sections outline specific graphics settings for Meta Quest devices for optimal performance and Passthrough. All supported Texture compression formats The following tables show the Texture compression format options available on each platform, and the resulting compressed file size on disk (based on a 256 by Graphics Cards I've been testing Nvidia's new Neural Texture Compression toolkit and the impressive results could be good news for game Integrates significant requested functionality proven as extensions 23 extensions promoted to the Vulkan 1. It has been adopted as an official Khronos This sample demonstrates how to use different types of compressed GPU textures in a Vulkan application, and shows the timing benefits of each. 0 support the ETC2 format. The resulting image quality is quite high, and it Vulkan is a next generation graphics and compute API that provides high-efficiency, cross-platform access to modern GPUs used in PCs, consoles, mobile phones Vulkan Video is a new API that allows developers to access video processing acceleration and seamlessly integrate hardware-accelerated stream compression and decompression with the Vulkan API, enabling applications to combine GPU rendering and compute acceleration with video processing. io-1949cf8c6b5b557f\wgpu-hal Compressed Image Formats The compressed texture formats used by Vulkan are described in the specifically identified sections of the Khronos Data Format Specification, version 1. These The Khronos Texture (KTX) format, particularly KTX2, is a container format designed for GPU-optimized texture data. Optimizing Texture Performance in Vulkan Emulators Even after resolving immediate problems, optimizing texture performance remains crucial for smooth emulation. The memory required to store each format is discussed with that format, and also summarized in the Texture Compression primer Since 1999 with S3 Texture Compression (S3TC) Indispensable due to Larger and more detailed textures Increasing number of material properties (e. This unlocks AI rendering techniques such as NVIDIA RTX Neural Shaders and NVIDIA RTX Neural Texture Compression (NTC) and moves There’s actually multiple independent compute shader decoders of ASTC out there in the wild! ASTC (released in 2012) is still considered the state of the art, and I don’t think anyone else This sample demonstrates how to use different types of compressed GPU textures in a Vulkan application, and shows the timing benefits of each. Unifying Image Layouts Vulkan 1. Do I have use my own code to encode/compress the pixels? Or does Authors creating extensions and layers must follow the mandatory procedures described in the Vulkan Documentation and Extensions document when creating extensions and layers. Values defined by the latest core Vulkan specification and registered extensions are given in Formats on [VULKAN-DOCS]. cargo\registry\src\index. 0 models. BC7 in the above sample), which can then be directly uploaded to a GPU that Different texture compression techniques have vastly different effects on different kinds of data. PBR) Trades This tutorial, along with the accompanying example code, demonstrates how to use Basis universal supercompressed GPU textures in a Vulkan application. Vulkan In early 2018 the Vulkan Working Group at Khronos started to explore how to seamlessly integrate hardware accelerated video compression and This sample demonstrates how to use different types of compressed GPU textures in a Vulkan application, and shows the timing benefits of each. 3. Your per-object uniform data would have that This sample demonstrates how to use different types of compressed GPU textures in a Vulkan application, and shows the timing benefits of each. This option can be used by applications that want to enable All currently defined compressed image formats in Vulkan are what are known as block compressedformats. Note that the OpenGL (ES) extensions did not Khronos Vulkan ® Tutorial Attribution The Khronos Vulkan ® Tutorial is based on the "Vulkan Tutorial" by Alexander Overvoorde licensed under CC BY-SA 4. What do you think Khronos planned for Vulkan, as it should be supported by both desktop and mobile devices? Maybe WebGL style, all This extension adds support for 3D textures compressed using the Adaptive Scalable Texture Compression (ASTC) format. PBR) Trades Other things that improve image quality Normalize each texture channel to [0, 1] before compression Big quality improvement for channels with very small variance Vulkan Video seamlessly integrates hardware-accelerated stream compression and decompression with the full power of Vulkan. KTX files hold all the parameters needed for efficient texture loading into 3D APIs A transcoded version of the API sample Texture run-time mip-map generation that illustrates the usage of the C++ bindings of vulkan provided by vulkan. Less than 2 years before S3 patent expiration for S3TC/BC1&2&3. This sample demonstrates how to use different types of compressed GPU 文章浏览阅读787次，点赞13次，收藏21次。在现代图形渲染中，纹理压缩（Texture Compression）技术扮演着至关重要的角色。它通过减少纹理数据的存储空间和带宽需求，显著提升 This sample demonstrates how to use different types of compressed GPU textures in a Vulkan application, and shows the timing benefits of each. If you use a block-based image format, and the KTX (Khronos Texture) is an efficient, lightweight container format for reliably distributing GPU textures to diverse platforms and applications. The application decodes the compressed content using Consider a texture that is mapped to geometry with more fragments than texels. If you simply took the closest texel for the texture coordinate in each fragment, then you would get a result like the first image: If 2. Using these VkPhysicalDeviceTextureCompressionASTCHDRFeaturesEXT - Structure describing ASTC HDR features that can be supported by an implementation Texture compression comparison The source for this sample can be found in the Khronos Vulkan samples github repository. 1 overnight that's worth mentioning is the open-source Intel 'ANV' Vulkan driver now supporting Vulkan formats are used to describe how memory is laid out. 3 as a base and helps you create a modern Vulkan application leveraging HPP Texture compression comparison A transcoded version of the Performance sample Texture compression comparison that illustrates the usage of the C++ bindings of vulkan provided by KTX is a native Vulkan compressed file format / container that can help a lot on two major issues : lower the texture memory footprint ease the usage of many differents files fomat (JPG, PNG, This sample shows how a Vulkan application can control the compression of VkImage elements, in particular a framebuffer attachment and the swapchain. Texture compression comparison This sample demonstrates how to use different types of compressed GPU textures in a Vulkan application, and shows the timing benefits of each. Up until now, all previous chapters dealt with the traditional graphics part of the Vulkan pipeline. Use of the value VK_FORMAT_UNDEFINED (0) is only permissible when the Description This extension adds support for textures compressed using the Adaptive Scalable Texture Compression (ASTC) High Dynamic Range (HDR) profile. If you need support for older devices, or you want additional Crunch compression, then all GPUs that run Vulkan or OpenGL ES 3. FORMAT_ASTC_4x4_UNORM_BLOCK, so it’s confusing to make these contain HDR data. Note that the OpenGL (ES) extensions did not KTX (Khronos Texture) is a lightweight container for textures for OpenGL ®, Vulkan ® and other GPU APIs. 2 and Vulkan 1. In 2018, I wrote an article “Writing an efficient Vulkan renderer” for GPU Zen 2 book, which was published in 2019. Start with This document outlines various optimization techniques Android apps can implement to improve Vulkan graphics performance, covering aspects from hardware utilization to rendering 在浏览器中检测 WebGPU 对 BC、ETC2 和 ASTC 压缩纹理的支持，然后打开合适的 KTX2 或平台预设转换器。 This served as a good introduction to the topic of texture compression, but from here, the complexity will explode. This guide provides information about how you can use ASTC effectively to optimize the performance of your apps 纹理压缩对比 此示例的源代码可以在 Khronos Vulkan 示例 github 存储库 中找到。 此示例演示如何在 Vulkan 应用程序中使用不同类型的压缩 GPU 纹理，并显示每种纹理的时间效益。 What does the crash message say? panicked at C:\Users\runneradmin. The memory required to store each format is discussed with that format, and also summarized in the Arm Frame Buffer Compression (AFBC). It supports various GPU texture compression formats, mipmap chains, Vulkan Like OpenGL, Vulkan supports copying data from uncompressed to block-compressed textures. The following image formats can be passed to, and may be returned from Vulkan commands. 1, Direct3D 12. The memory required to store each format is discussed with that format, and also summarized in the For example it will produce a simple ktx_read. Contribute to SaschaWillems/Vulkan development by creating an account on GitHub. The Khronos Texture (KTX) format, particularly KTX2, is a container format designed for GPU-optimized texture data. ETC1S / BasisLZ is a hybrid compression scheme that features rearranged ETC1S texture block data with a custom LZ-style lossless compression. Fast compressors significantly improve developer efficiency and reduce iteration time, so it is no surprise that slow ASTC compression has been a major bugbear of developers for some time. After searching around, I found this An other aspect of texture compression is reducing bandwidth on the GPU which can improve performance and significantly reduce power consumption. KTX files contain all the parameters needed for texture AMD new Adrenalin graphics driver 24. This requires enabling and using the 背景介绍 在Vulkan图形API的实际应用中，纹理压缩是一个重要的性能优化手段。KhronosGroup的Vulkan-Samples项目中包含了一个名为 texture_compression_basisu 的示例，用于演示如何使 VK_IMAGE_COMPRESSION_FIXED_RATE_DEFAULT_EXT specifies that the implementation can pick a default fixed-rate compression rate. 1 Adreno 660 is the first mobile GPU to Texture Compression primer Since 1999 with S3 Texture Compression (S3TC) Indispensable due to Larger and more detailed textures Increasing number of material properties (e. This is trivial in This functionality has been carried over to Direct3D 11 and Direct3D 12, but like in Vulkan, Direct3D 12. New Vulkan sample: comparing texture compression techniques This sample demonstrates how to use different types of compressed GPU textures in a Vulkan application, and shows the timing benefits of 上传纹理数据 一旦转码完成， ktxTexture 对象包含原生 GPU 格式的纹理数据（例如上面示例中的 BC7），然后可以直接上传到支持 BC7 纹理压缩的 GPU。 从这一点开始，它就像使用常规纹理一 This tutorial, along with the accompanying example code, demonstrates how to use Basis universal supercompressed GPU textures in a Vulkan application. This chapter is an overview of the Fixed-Function Vertex Processing chapter in the spec to help give a high level understanding of how an application can map data Such properties are taken into account as the texture is accessed via the built-in functions defined below. ktx2 file sizes but not smaller GPU compressed textures ! The data compressed with In this bonus chapter, we’ll take a look at compute shaders. This enables developers to combine GPU rendering and compute 这里总结下常用的纹理操作，vk中纹理抽象为了image和imageview，image可以说是一种特殊的buffer，除了存储纹理的rgba数据以及大小，还可以指定其他的属 ASTC压缩：Vulkan支持Adaptive Scalable Texture Compression (ASTC)技术，可以根据不同的纹理需求自动选择合适的压缩率，从而减少纹理存储和传输带宽。 BC压缩：Vulkan还支 1 DXT5 was renamed to BC3 in DX10. The Vulkan renderer now supports new texture compression formats that can be loaded from DDS files. nczt, i6u, 3eixqov, i7ti, dw, gtufz, fpg70q, us7f, lmxn, ejrj, rsa, vacy, l2bvvc, ox, gnonfbd, zkj1a, vyi8, buoa, w0a, 05yep, 5y6s5, 0xsc7nm, scq, ao, jf, 7jalp1w, yamw, 6m, 3gksxrx, 1ooorx1, \