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lveyou
2026-09-16 14:07:40 +08:00
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tools/tacentview/Assets/Licence_PowerVRNativeSDK.txt
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This is the MIT licence from https://github.com/powervr-graphics/Native_SDK
as of Dec 20, 2023. The code that is leveraged is the PVRTC1 (4bpp and 2bpp)
decode implementation found in PVRTDecompress.h and PVRTDecompress.cpp.
The decode for PVRTC2 is closed source. Imagination does provide PVRTexLib.dll
(from PVRTexTool) but:
a) It is nearly the same size as the Tacent suite of libs compiled as release
static. The PVRTexLib includes a lot of features that are not needed like
code to load various other images types in addition to pvr.
b) Is is under a custom license found at
https://developer.imaginationtech.com/terms/powervr-tools-software-eula/
There are currently no open-source CPU decode implementations for:
PVRTC2 LDR 4bpp 2bpp
PVRTC1 HDR 8bpp 6bpp
PVRTC2 HDR 8bpp 6bpp
------------------------------------------------------------------------------
The MIT License (MIT) Copyright (c) Imagination Technologies Ltd.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.