sokol-samples
angle
sokol-samples | angle | |
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8 | 20 | |
550 | 3,246 | |
- | 1.3% | |
9.0 | 9.6 | |
6 days ago | 6 days ago | |
C | C++ | |
MIT License | GNU General Public License v3.0 or later |
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sokol-samples
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Zig cookbook: collection of simple Zig programs that demonstrate good practices
Zig currently doesn't allow chained designators and also doesn't allow to partially initialize arrays and fill up the rest of the array with default values.
E.g. the closest Zig equivalent to this C99 code:
https://github.com/floooh/sokol-samples/blob/b3bc55c4411fa03...
...is this:
https://github.com/floooh/sokol-zig/blob/a4b3c287fadd153a504...
...note how part of the initialization had to be moved out into "code".
There's a ticket about this here, but it's currently not high-priority:
https://github.com/ziglang/zig/issues/6068
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Building a Web Game in C with Raylib
This is a simple Pong-like I've written in Raylib compiled to WASM - https://wasm-stuff.netlify.app/pong
Source code is here: https://github.com/rrampage/skitter/tree/master/pong-raylib
It is fairly straightforward to get Raylib running in the browser. I used @flohofwoe's HTML shell file ( https://github.com/floooh/sokol-samples/blob/master/webpage/... ).
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Learn WebGPU
PS: also if shader functions could be directly defined "inline" in regular CPU code (and behind a special function pointer type), there would be no need for string literal shenanigans like this:
https://github.com/floooh/sokol-samples/blob/3f10c1a0620cec9...
(and shader compilation would happen during the regular build and would also generate regular compiler errors - with current toolchains that's only possible with a lot of build system magic)
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Next C compiler is a D compiler: Introducing DMD's ImportC
I think something along those lines (rarely used...) was also given by the C++ Committee as justification why so much of the C99 designated init feature set was left out of C++20. But in reality, all C99 designated-init 'sub-features' complement each other nicely once you start using them. It's a great way for building 'data-driven' APIs.
For instance check out this call to create a 3D-API pipeline-state-object in C99:
https://github.com/floooh/sokol-samples/blob/ad9047e228a8441...
- C in Web Dev
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Learning that you can use unions in C for grouping things into namespaces
I'm using anonymous nested structs extensively for grouping struct items, but I consider the extra field name a feature, not something that should be hidden:
https://github.com/floooh/sokol-samples/blob/bfb30ea00b5948f...
(also note the 'inplace initialization' which follows the state struct definition using C99's designated initialization)
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Nuklear: A cross-platform GUI library in C
It's an STB-style single-file library, which means the implementation is in a separate ifdef-block from the interface declarations, this allows to compile the implemenentation in a separate source file (which can be a C file), and be used in different source files (which can be C++ files).
For example (using stb_image.h):
https://github.com/floooh/sokol-samples/blob/master/libs/stb...
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Making Win32 APIs More Accessible to More Languages
C99 has made all that a lot easier, you can setup, initialize a struct and call the function taking a pointer to that struct all in one call:
https://github.com/floooh/sokol-samples/blob/89f5825ab5d3690...
The Win32 window system functions and D3D11 are actually very convenient to work with in C99, better than C++ actually.
angle
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Meta releases open source Intermediate Graphics Library which runs on top of Vulkan, Open GL, or Metal on multiple operating systems.
It's using MoltenVK on Mac for Vulkan compatibility, and ANGLE for OpenGL compatibility on Windows and Linux. Makes you wonder what it's actually doing itself.
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Appleās Game Porting Toolkit is Wine
Can't they use https://github.com/google/angle?
- can some help me setup OpenGL ES
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Learn WebGPU
BTW. For the last 15 years, all web browsers on Windows do WebGL on top of DirectX (using the Angle library https://github.com/google/angle).
- Game crashing when downloading additional content on Windows Subsystem for Android
- Exynos 2200, s22u, citra 3ds question
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Vulkan update: version 1.2 conformance for Raspberry Pi 4
You can still use OpenGL. Just not the vendor provided drivers. They are indeed horrible. There are libraries like:
* ANGLE ( https://github.com/google/angle ) - An OpenGL ES implementation with Direct3D 9, Direct3D 11, Desktop GL, GL ES, Vulkan and Metal backends. This is what we used to use for shipping our Qt 3D application, that used a bunch of OpenGL Shaders. We used to get bug reports about various shaders not working properly on various hardware. After switching to this, all those bug reports vanished.
* Zinc ( https://www.supergoodcode.com/do-not/ ) - A more recent, OpenGL implementation on top of Vulkan. I haven't used this one yet. But they are making a lot of progress and it is almost as performant as vendor provided OpenGL Drivers these days. So if I ever have to ship a desktop app, needing opengl, I'd strongly consider using this.
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Starting a new Project in 2022, Vulkan or OpenGL?
Another option if perf isn't a big concern is to try using Google's angle OpenGL ES 3.0 implementation, there's backends for it to be supported on Vulkan, Direct3D 11, and (work in progress) Metal. Disclosure, haven't tried it myself, just looking at their feature descriptions: https://github.com/google/angle
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Minimising input latency in OpenGL
I don't believe Chrome uses OpenGL directly- any OpenGL usage it does have (e.g. for WebGL) is actually going through ANGLE which translates it all to D3D on Windows.
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Need Help Downloading From GitHub
RTFM, have you read their instruction
What are some alternatives?
sokol-zig - Zig bindings for the sokol headers (https://github.com/floooh/sokol)
bgfx - Cross-platform, graphics API agnostic, "Bring Your Own Engine/Framework" style rendering library.
NanoGUI - Minimalistic GUI library for OpenGL
ar_flutter_plugin - Flutter Plugin for AR (Augmented Reality) - Supports ARKit on iOS and ARCore on Android devices
imgui - Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies
OpenGL-on-DXGI - How to use WGL_NV_DX_interop2 to use OpenGL in a DXGI window
libev - Full-featured high-performance event loop loosely modelled after libevent
wgpu-native - Native WebGPU implementation based on wgpu-core
nuklear - A single-header ANSI C immediate mode cross-platform GUI library
model_viewer.dart - A Flutter widget for rendering interactive 3D models in the glTF and GLB formats.
ArrayFire - ArrayFire: a general purpose GPU library.
swiftshader - SwiftShader is a high-performance CPU-based implementation of the Vulkan graphics API. Its goal is to provide hardware independence for advanced 3D graphics.