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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