I still don't understand why Affinity marketing think this is a niche feature that can be ignored indefinitely. Most of the formats were introduced in the early nineties, and are still in use today in hardware on practically every modern smartphone, every Mac, and every PC. They are largely old, well established, not subject to unnecessary change, and are relevant on all platforms that have modern rendering hardware, including phones. Muddled posts from non-developers who think that BC7 is not relevant to Mac users do not understand that these formats are supported by AMD and nVidia hardware. ![]() It's a huge market of people who would gladly ditch Photoshop if they could - but this missing feature continues to lock people into Adobe. ![]() This functionality is useful to just about every game-development house on the planet. What's so surprising is that after several years, there still isn't even a firm promise to add this feature, let alone a proposed date to deliver it. I'm currently forced to use an awful mix of Photoshop, Paint.Net and Compressonator to do work that reasonably ought to be handled by Affinity import/export. The new NVIDIA Texture Tools Exporter supports textures with transparency (BC7, ASTC), HDR images and cube maps in unfolded and linear formats (BC6s), normal maps (BC7, BC5, BC3n), and much more.DDS support, or at least the ability to use the existing Photoshop plugins such as Intel Textureworks, or the nVidia plugin, are a must-have for game development. Transparency, Cube Maps, Normal Maps, and More This will also be faster than launching nvtt_export.exe for each file, since the exporter only needs to be opened and closed once. Input3.png -format bc7 -output output3.ddsĪnd then run it using: nvtt_export.exe -batch batch.nvdds. Input2.png -format bc7 -output output2.dds Input1.png -format bc7 -output output1.dds Then you can turn this into a single batch file by removing nvtt_export.exe from each line: # This is a simple batch file, named batch.nvdds Nvtt_export.exe input3.png -format bc7 -output output3.dds Nvtt_export.exe input2.png -format bc7 -output output2.dds If you have a sequence of commands, such as: nvtt_export.exe input1.png -format bc7 -output output1.dds The standalone version also has a command-line and batch scripting interface in addition to a GUI. This plug-in also supports Photoshop Actions – so you can record an action to convert an image to a normal map and compress it using BC7, for instance, and then bind that to a hotkey. Fully AutomatableĪrtists can open and save DDS files directly from Adobe Photoshop using the NVIDIA Texture Tools Exporter plug-in. Three different downsampling filters – box, tent, and Kaiser-windowed sinc – are also supported. Mipmapping also now uses mathematically correct filtering – so color images are processed using linear-space, premultiplied alpha colors, while normal maps use slope-space filtering to correctly filter height map features. If you’re generating mipmaps at runtime, you can save time by using the NVIDIA Texture Tools Exporter to generate mipmaps instead. It’s even possible to load block-compressed textures faster than many other formats, as their data can be copied almost directly into GPU memory and then used from there. Using GPU-accelerated block compression, you can reduce the size of your textures – whether it’s to make a game download faster, or to ship a title on a fewer number of disks, or to be able to fit more materials and objects into memory in a ray tracer.īut on top of that, GPUs can render from these textures while storing them compressed – meaning a ray tracer could use this to fit more textures and materials into memory, or a game engine could use this to render larger worlds than otherwise. This all-new release adds support for modern, CUDA-accelerated Texture Tools 3.0 compression (including ASTC, BC7, and BC6s), support for more than 130 DXGI and ASTC formats, linear-space, slope-space, and premultiplied alpha mipmapping, command-line and Photoshop automation, and a unified user interface. ![]() Today, we’re releasing the free NVIDIA Texture Tools Exporter, the new version of our DDS texture compression tool, available both as a standalone application and as a plugin for Adobe Photoshop.
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