Questions tagged [glsl]
A programming language for OpenGL shaders.
956 questions
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Share custom lighting data struct with GLSL vertex & fragment shaders
I've reached normal maps as I was learning OpenGL, and I decided to calculate the tangents on the CPU.
The issue is that my lighting uses custom structs and it ...
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My fragment shader is being run on every pixel of the screen
This is my first time using this website and I'm a beginner too, so sorry if what I'm asking doesn't make sense.
I am using C++ and OpenGL to make a basic platformer.
My issue is that the fragment ...
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How the intersection of BVH boxes can determine whether or not a triangle appears?
I'm programming a Ray Tracer using Rust and OpenGL, I've already made Ray Tracing work in the basics by converting the data to an SSBO and sending it to the Shader in a basic way... The problem is ...
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Weird artifacts on heightmap
so i have this compute shader in glsl that creates a heightmap:
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What's wrong with the TBN map?
I'm trying to import 3D models into OpenGL using Rust and GLFT models, the problem is that this function used to work... Now it doesn't work at all!
It's working to load the 3D model, with the texture ...
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Strange scaling on my textures when they are upscaled or zoomed into
I am having a strange issue with my sprites, which is kind of difficult to describe, but hopefully the attached images will illustrate. I have drawn two 1 pixel lines on my sprite to help with this, ...
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9 Slicing in OpenGL, want to have the center of the texture repeat instead of stretch
I have some sprites in my game, mostly though not entirely UI related, that I would like to be able to scale to different sizes without warping the borders of the sprite.
Looking around I was able to ...
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Rotating SDF rectangle with Matrix4
Hei
I'm trying to create my own UI renderer from scratch using SDF functions,
got it working pretty good without any transformations, but now I would like to add ...
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When compiling shaders in OpenGL, I get random error messages
I am trying to follow LearnOpenGL while coding in the Zig language, and something that is very odd is that sometimes my shader compilation fails even though I changed nothing between executing the app....
user171748
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Compute Shader - Buffer Output Size Differs From Input Image Dimensions
I am trying to build a compute shader to retrieve pixel color values from a noise-generated image using GLSL and Godot 4.2. The image itself is a 3840 x 2160 and formatted in RG8. I would expect ...
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How do I interpolate light intensity for tilemap's lightmap?
I implemented lightmap creation for a tilemap, but I cannot figure out how do I interpolate light intensity values. For now, my lighted tiles create an obvious grid-like structure. It was pretty easy ...
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GLSL ported shader not working in HLSL
I have been working on an Infinity Grid shader for my engine.
It was already implemented to Vulkan’s GLSL, so it worked great with OpenGL’s (4.6) GLSL.
Here's a reference.
This basic shader with ...
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How to setup gradient lighting in OpenGL shader?
I setup simple single light source lighting around campfire object.
However, as can be seen, the transition between lightened area and unlighted one is sharp.
The GLSL fragment shader code:
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GLSL limit uniform sampler2D to 4 for some reason
I'm writing a deferred rendering pipeline and my fragment shader looks like this:
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Uniforms management
I wanted to know if there is any special optimization going on with uniforms and shaders.
The issue I'm facing is that when increasing an uniform which is clamped to an option by a modulo, it only ...
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