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Ælla Chiana Moskopp 60cd1e4529 Correctly render transparency in TGA type 1 with color format A1R5G5B5 
The branch removed in this patch handled color format A1R5G5B5 specially
when creating a texture from a TGA type 1 file, i.e. an image that has a
colormap. It did not handle the 1-bit alpha channel correctly, rendering
transparent pixels black instead.

Since the colormap is converted to A8R8G8B8 earlier anyways, the code
for the general case is able to handle this scenario already – at the
expense of making the created texture use twice as much GPU memory as
necessary.
2024-11-06 20:07:05 +01:00
..
cmake Copy irrlichtmt to <root>/irr/ 2024-03-26 21:39:02 +01:00
include Don't memset SEvent directly (#15359) 2024-10-31 19:24:43 +01:00
scripts Cleanup headers in irr/include/ (#15181) 2024-10-18 10:58:32 +02:00
src Correctly render transparency in TGA type 1 with color format A1R5G5B5 2024-11-06 20:07:05 +01:00
.editorconfig Copy irrlichtmt to <root>/irr/ 2024-03-26 21:39:02 +01:00
.gitignore Copy irrlichtmt to <root>/irr/ 2024-03-26 21:39:02 +01:00
CMakeLists.txt [no sq] Move shaders & remove dead Irrlicht tests (#15006) 2024-08-19 09:17:52 +02:00
LICENSE Copy irrlichtmt to <root>/irr/ 2024-03-26 21:39:02 +01:00
README.md Disable SDL2 for 5.10.0 (#15284) 2024-10-14 22:09:11 +02:00

README.md

IrrlichtMt version 1.9

IrrlichtMt is the 3D engine of Minetest. It is based on the Irrlicht Engine but is now developed independently. It is intentionally not compatible to upstream and is planned to be eventually absorbed into Minetest.

Build

The build system is CMake.

The following libraries are required to be installed:

  • zlib, libPNG, libJPEG
  • OpenGL
    • or on mobile: OpenGL ES (can be optionally enabled on desktop too)
  • on Unix: X11
  • SDL2 (see below)

Aside from standard search options (ZLIB_INCLUDE_DIR, ZLIB_LIBRARY, ...) the following options are available:

  • ENABLE_OPENGL - Enable OpenGL driver
  • ENABLE_OPENGL3 (default: OFF) - Enable OpenGL 3+ driver
  • ENABLE_GLES2 - Enable OpenGL ES 2+ driver
  • USE_SDL2 (default: ON for Android, OFF for other platforms) - Use SDL2 instead of older native device code

However, IrrlichtMt cannot be built or installed separately.

Platforms

We aim to support these platforms:

  • Windows via MinGW
  • Linux (GL or GLES)
  • macOS
  • Android

This doesn't mean other platforms don't work or won't be supported, if you find something that doesn't work contributions are welcome.

License

The license of the Irrlicht Engine is based on the zlib/libpng license and applies to this fork, too.

The Irrlicht Engine License
===========================

Copyright (C) 2002-2012 Nikolaus Gebhardt

This software is provided 'as-is', without any express or implied
warranty.  In no event will the authors be held liable for any damages
arising from the use of this software.

Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:

1. The origin of this software must not be misrepresented; you must not
 claim that you wrote the original software. If you use this software
 in a product, an acknowledgement in the product documentation would be
 appreciated but is not required.
2. Altered source versions must be clearly marked as such, and must not be
 misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.