glium

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Invalid pname when probing gl::MAX_CLIP_DISTANCES against ANGLE EGL on Windows

1

This appears to be triggered by: `ctxt.gl.GetIntegerv(gl::MAX_CLIP_DISTANCES, &mut max_clip_planes);` here https://github.com/glium/glium/blob/master/src/draw_parameters/mod.rs#L634 Here's the debug message trace: ``` 2020-10-17T21:23:02.900Z ERROR wezterm::gui::termwindow > OpenGL initialized! ANGLE (NVIDIA GeForce RTX 2080 Ti Direct3D11...

wez

How store uniform in struct field?

2

I want to keep an object in one structure, like this (maybe it's not a correct way, but I'm a newbie, so that sorry): ```rust pub struct ObjectPipeline } ```...

LegatusMarcus

gl function was not loaded

9

I'm seeing [this issue](https://github.com/glium/glium/issues/1648) with glium 0.27.0 on macOS 10.15.4 on a 2014 MBP with Intel Iris GPU. ``` thread 'main' panicked at 'gl function was not loaded', /Users/moritz/code/generative/target/release/build/glium-5a230c4287d7cff8/out/gl_bindings.rs:2535:13 stack...

virtualritz

Problem on how to share buffer between compute shader and other shader stages.

1

The `gpgpu` example does show a minimum use case of compute shader, however it does not explain how to share data between other shader stage. I'm implementing an example of...

unknownue

Ability to set uniforms by location instead of name, to support multiple SPIR-V entry points

5

Now that glium has support for SPIR-V shaders, here's a new issue that came up: One SPIR-V module can contain multiple entry points ("main" functions), even for the same shader...

Boscop

Suggestion: Improve HashMap lookup performance

3

Currently, glium uses fnv for HashMaps, but lookup could be made faster with FxHash. https://github.com/cbreeden/fxhash#benchmarks > Generally `fxhash` is faster than `fnv` on `u32`, `u64`, or any byte sequence with...

Boscop

How to use with GTK?

6

I'd like to make simple tests with GTK using this lib. I've found nothing about GTK on the issues. Can somebody give me an idea on where to start?

lattice0

Busy wait on Vsync with multiple draw calls per frame

10

Glium seems to be exhibiting some strange flushing/waiting-related behavior if draw() is called more than once. Glium ends up busy-waiting on Vsync rather than allowing the drivers and application to...

KeyboardDanni

Workaround for `uniform vec3[4]`?

1

I need to send a uniform like ```glsl uniform vec3 iChannelResolution[4]; ``` with ```rust let iChannelResolution: [(f32, f32, f32); 4] = /* ... */; let uniforms = uniform! { iChannelResolution:...

Boscop

Texturing breaks when using OpenVR

4

Submitting frames to the OpenVR compositor invalidates a `glium::Texture2d` (or its contents). The `glium::Texture2d` mentioned above is used to render a textured quad in the main window. Two other textures...

mkovaxx