All Questions
602 questions
1
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126
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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 ...
- 41
1
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0
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56
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Weird artifacts on heightmap
so i have this compute shader in glsl that creates a heightmap:
...
0
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1
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42
views
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 ...
- 41
1
vote
1
answer
77
views
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, ...
- 71
2
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1
answer
241
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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 ...
- 71
0
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0
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527
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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
0
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76
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Pyglet - How can I add a bloom postprocessing step to my scene?
I have a simple Pyglet scene below. I would like to apply a postprocessing step to add bloom to the scene. How can this be done using pyglet?
I've tried looking through all the documentation for ...
- 101
0
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1
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120
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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 ...
- 269
0
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1
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144
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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 ...
0
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1
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118
views
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:
...
- 269
0
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72
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How do I pick terrain in GLSL/OpenGL by picking 2D vertices positions?
Presumably the problem is with the internal formats and my understanding of that, but I've been stuck a while, got this sort of approaching working fine on a more straight forward colour picker, but ...
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2
votes
1
answer
67
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I can't find what I'm doing wrong when rendering a point light that is clipped by the floor
I have a top down camera on my game, and I'm rendering a point light on my opengl fragment shader.
When the point light is far away from the floor it looks like I would expect it should look, like a ...
- 155
0
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0
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114
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GUI shader that draws different textures on corners, edges, and center?
I'm working in GLSL but feel free to write a solution using any shader language, or even pseudocode / language agnostic, I can translate it myself.
I'm trying to create a shader that can draw a "...
- 8,463
1
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1
answer
161
views
How do I make the joints and weights skinned with the variables I'm using?
For some time now I have been trying to do skeleton animation using Rust and OpenGL(specifically the gl library), I loaded the animation information correctly(with the gltf library), the bone ids and ...
- 41
0
votes
0
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65
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Moving a texture with a vert shader
I'm working on a mod for a game and trying to add my own shader. I know practically nothing about shaders, but another similar shader exists and with their modding teams permission im using it as a ...
- 1