awesome-hpp
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awesome-hpp | stb | |
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6 | 164 | |
3,183 | 25,071 | |
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6.2 | 6.7 | |
4 months ago | 9 days ago | |
C | ||
The Unlicense | GNU General Public License v3.0 or later |
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awesome-hpp
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Collecting the best C++ practices
awesome-hpp. A curated list of awesome header-only C++ libraries.
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oof: real-time, full-color console output for C++
I sampled ten arbitrary projects from https://github.com/p-ranav/awesome-hpp, and not one of them used this pattern. Maybe it's more common in some circles than others?
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Is C++ Still Worth Learning? Absolutely! Yes Rust And Go Are Awesome. There Is Still Work To Be Done In C++
If package managers seem intimidating, try header-only libraries that require no compilation or configuration.
- A curated list of header-only C++ libraries
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Why is it preferred to declare functions in header files but not define them?
That doesn't mean there aren't any header-only libraries. Usually small libraries implement everything in a header file. Checkout this GitHub link. With such header-only-libraries, all you have to do is include the header, write code which uses them, compile and you are done. This also doesn't involve the headache of setting up complicated build systems.
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CXXGraph Library
awesome-hpp
stb
- Lessons learned about how to make a header-file library (2013)
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Nebula is an open-source and free-to-use modern C++ game engine
Have you considered not using an engine at all, in favor of libraries? There are many amazing libraries I've used for game development - all in C/C++ - that you can piece together:
* General: [stb](https://github.com/nothings/stb)
- STB: Single-file public domain libraries for C/C++
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Writing a TrueType font renderer
Great to see more accessible references on font internals. I have dabbled on this a bit last year and managed to have a parser and render the points of a glyph's contour (I stopped before Bezier and shape filling stuff). I still have not considered hinting, so it's nice that it's covered. What helped me was an article from the Handmade Network [1] and the source of stb_truetype [2] (also used in Dear ImGUI).
[1] https://handmade.network/forums/articles/t/7330-implementing....
[2] https://github.com/nothings/stb/blob/master/stb_truetype.h
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Capturing the WebGPU Ecosystem
So I read through the materials on mesh shaders and work graphs and looked at sample code. These won't really work (see below). As I implied previously, it's best to research/discuss these sort of matters with professional graphics programmers who have experience actually using the technologies under consideration.
So for the sake of future web searchers who discover this thread: there are only two proven ways to efficiently draw thousands of unique textures of different sizes with a single draw call that are actually used by experienced graphics programmers in production code as of 2023.
Proven method #1: Pack these thousands of textures into a texture atlas.
Proven method #2: Use bindless resources, which is still fairly bleeding edge, and will require fallback to atlases if targeting the PC instead of only high end console (Xbox Series S|X...).
Mesh shaders by themselves won't work: These have similar texture access limitations to the old geometry/tessellation stage they improve upon. A limited, fixed number of textures still must be bound before each draw call (say, 16 or 32 textures, not 1000s), unless bindless resources are used. So mesh shaders must be used with an atlas or with bindless resources.
Work graphs by themselves won't work: This feature is bleeding edge shader model 6.8 whereas bindless resources are SM 6.6. (Xbox Series X|S might top out at SM 6.7, I can't find an authoritative answer.) It looks like work graphs might only work well on nVidia GPUs and won't work well on Intel GPUs anytime soon (but, again, I'm not knowledgeable enough to say this authoritatively). Furthermore, this feature may have a hard dependency on using bindless to begin with. That is, I can't tell if one is allowed to execute a work graph that binds and unbinds individual texture resources. And if one could do such a thing, it would certainly be slower than using bindless. The cost of bindless is paid "up front" when the textures are uploaded.
Some programmers use Texture2DArray/GL_TEXTURE_2D_ARRAY as an alternative to atlases but two limitations are (1) the max array length (e.g. GL_MAX_ARRAY_TEXTURE_LAYERS) might only be 256 (e.g. for OpenGL 3.0), (2) all textures must be the same size.
Finally, for the sake of any web searcher who lands on this thread in the years to come, to pack an atlas well a good packing algorithm is needed. It's harder to pack triangles than rectangles but triangles use atlas memory more efficiently and a good triangle packing will outperform the fancy new bindless rendering. Some open source starting points for packing:
https://github.com/nothings/stb/blob/master/stb_rect_pack.h
https://github.com/ands/trianglepacker
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Www Which WASM Works
The STB headers are mostly built like that: https://github.com/nothings/stb
You could also add an optional 'convenience API' over the lower-level flexible-but-inconvenient core API, as long as core library can be compiled on its own.
In essence it's just a way to decouple the actually important library code from runtime environment details which might be better implemented outside the C/C++ stdlib.
It's already as simple as the stdlib IO functions not being asynchrononous while many operating systems provide more modern alternatives. For a specific type of library (such an image decoder) it's often better to delegate such details to the library user instead of circumventing the stdlib and talking directly to OS APIs.
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File for Divorce from LLVM
My stuff for instance:
https://github.com/floooh/sokol
...inspired by:
https://github.com/nothings/stb
But it's not so much about the build system, but requiring a separate C/C++ compiler toolchain (Rust needs this, Zig currently does not - unless the proposal is implemented).
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What C libraries do you use the most?
STB Libraries: https://github.com/nothings/stb
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[Noob Question] How do C programmers get around not having hash maps?
stb_ds is also very popular.
- Is there an existing multidimensional hash table implementation in C?
What are some alternatives?
mp-units - The quantities and units library for C++
Vcpkg - C++ Library Manager for Windows, Linux, and MacOS
replxx - A readline and libedit replacement that supports UTF-8, syntax highlighting, hints and Windows and is BSD licensed.
imgui-node-editor - Node Editor built using Dear ImGui
eos - A lightweight 3D Morphable Face Model library in modern C++
ZXing - ZXing ("Zebra Crossing") barcode scanning library for Java, Android
CXXGraph - Header-Only C++ Library for Graph Representation and Algorithms
freetype-gl - OpenGL text using one vertex buffer, one texture and FreeType
cppbestpractices - Collaborative Collection of C++ Best Practices. This online resource is part of Jason Turner's collection of C++ Best Practices resources. See README.md for more information.
ImageMagick - 🧙♂️ ImageMagick 7
linenoise - A small self-contained alternative to readline and libedit
Cppcheck - static analysis of C/C++ code