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Questions - compute-shader

"portable" way to determine GPU core occupancy with Vulkan

For writing GPU computation kernels (aka "compute shaders" in GL/Vulkan), it is useful to query various shader parameters such as register usage and shared memory usage that determine how mu...

exa

gpu

shader

vulkan

compute-shader

Votes: 0

Answers: 0

wgpu Compute Write Direct to Surface Texture View

I am relatively new to using gpu apis, even newer to wgpu, and wanted to mess around with compute shaders drawing to a surface. However, it seems that this is not allowed directly? During run time upo...

BayL

rust

graphics

compute-shader

wgpu-rs

Votes: 0

Answers: 2

Latest Answer

The compute shader cannot write to surface texture directly, that is the responsibility of the fragment shader. Since swapchain uses double or multi-buffering technology, the surface texture changes f...

Jinlei Li

inactive invocation in subgroups in vulkan

I am reading the vulkan subgroup tutorial and it mentions that if the local workgroup size is less than the subgroup size, then we will always have inactive invocations. This post clarifies that there...

WillyWonka

vulkan

compute-shader

Votes: 0

Answers: 1

Latest Answer

A dispatch of compute defines with its parameters the global workgroup. The global workgroup has x×y×z invocations. Each of those invocations are divided into local groups (defined by the shader). A l...

krOoze

How render 3D render texture in a Unity3D custom shader

Hi is it possible to render a 3d render texture on a custom shader raymarching like a 3dtexture? I use a 3D render texture because I calculate and set the color of the 3D volume in a compute shader. I...

Sergio Solorzano

unity-game-engine

shader

compute-shader

raymarching

Votes: 0

Answers: 0

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