Questions tagged [shaders]
a computer program that runs on graphics hardware and provides a high degree of control over how scenes are rendered
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Why distant objects are becoming white when camera is still?
I have a shader attached to quads that I'm generating far away using
script. The quad is capable of keeping the color when camera is moving
however the color becomes white when camera is still. I can'...
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How can I create a shader which makes an object transparent in bright light and opaque in low light?
I'm trying to set up a shader that, as the title says, functions similarly to the effect appearing in the "Lights Out" horror short film. Cut down to the very basics, I'm looking for advice ...
CommunityBot
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Persist global shader parameter
I use Shader.SetGlobalVector to modify the behaviour of multiple shaders. I added a MenuItem to change these parameters in ...
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How to use a .mtl file in Unity?
I want to use a .mtl file to draw my objects in unity.
Can I somehow convert a .mtl file into a normal Unity material?
My .mtl file is like this:
...
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Unity shader graph show through walls
How to make a shader graph shader display through walls while keeping the existing texture in unity. I also only want to use shader graph only nothing else.
Example: https://hyunkell.com/blogfiles/...
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Change alpha value of object if it's closer to the camera than the player
Ok, so - I'm a complete idiot when it comes to shader programming, and while I suspect someone with some experience here may find this easy, I'm at a bit of a loss.
I'd like to create a shader that ...
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How can I run a shader over the entire screen without interfering with other running programs?
How can I run a shader over the entire screen without interfering with other running programs? Specifically, I'd like to adjust the screen output with usability tweaks for my severely colorblind ...
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Breaking up effect for Android
I am trying to create an animation for an Android TextView. I want to break-up the text into tiny pieces and apply some physics simulation as it breaks up!.
I will probably need to implement a custom ...
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How to convert from object space to clip space
I want to animate foliage with vertex animation but I have wrong output because I can't correctrly transform from object space to clip space, and my foliage goes off the model. How Can I convert in ...
CommunityBot
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Particles not rendering over projectors
I am using projectors for shadows...When I use particles for bike speed up i.e., nitro speed the particles get cutout by those shadows....
Here is screenshot of it,
Here is my shader code of ...
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Correctly Implementing SSAO
I am trying to implement Normal-Oriented SSAO and i'm having an issue with the results. Portions of the screen are inverted/wrong, typically half way through the screen but not always, it seems tied ...
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Sharpen Unity game in post processing
I am making a game that uses a custom voxel raytracing shader which preferably should run on lower end pcs. Since raytracing performance is extremely affected by resolution I would like to add a ...
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Creating 3d Cloud within the box using Metal shader
I tried to create a cloud filled in the box geometry, I tried using raymarching with noise texture as well direct noise function and fbm - fbm motions is good. but cloud is not get proper result like ...
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How to do DOF & motion blur using 1 image & depth?
Is there any way to do DOF & motion blur based on just 1 image & its depth image on a mobile platform?
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Multiple Shaders With Sprite Batching
I have coded a game in OpenGL and for rendering I used a Sprite Batching technique to draw many sprites in a single call to glDrawElements(). But as soon as I ...
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Procedural fractal Perlin flow noise for mobile
I'm trying to use the Fractal Perlin flow noise from Chaos Software (shared under the MIT licence)
...
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How to compile a node-based material system to usable shader code / data buffers / texture resources?
Let's suppose we're rendering a scene using Vulkan with objects with many different materials that are built using nodes.
Within a graphics pipeline, there can be only fixed shader code, so I'll have ...
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How does Linear and Exponential Fog work in Unity URP?
I am a novice in Unity, I see that volumetric fog is not available when using the URP and the recommended method is to use Linear or Exponential Fog.
I played around with it a little. Even though ...
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Use DirectX 11 & HLSL in SDL
I saw Lazy Foo using OpenGL & GLSL in SDL, but I want to use DirectX 11 & HLSL in SDL.
Is there a way to do this, and how?
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Is wireframe effect possible without geometry shader?
I am trying to write a shader that highlight the edge between each pair of vertices, much like the UCLA Wireframe Shader.
All implementations I came across require geometry shader support. I am ...
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How can I override the directional light processed by a shader?
I'm building a solar system and have made the simplifying assumption that the sun will always be at 0,0,0.
Rather than worry about "real" lighting, my planet shader just works out where it ...
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Is OpenGL Shader a CUDA kernel?
I am working on sone articles, and need a bit of clarity on following question. Is the OpenGL Shader a CUDA Kernel? When searching the web, I have seen information on differences between kernel and ...
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How do I use a Unity unlit Shader to plot a curve with even thickness
I'm new to Unity shaders and I'm using a Unity unlit shader to plot a function of x. For example, y = sin(x). This is very easy with the following code:
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Hide objects behind invisible wall
I am developing a VR application in Unity where I have a 3D object (a plane) flying over the player's head. I am using a Skybox for the background and I want to make the plane "disappear" ...
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Blending/gradient/smoothing between textures in Texture2DArray in HLSL shader
Well, I have this triplanar shader:
...
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What are the consequences of using AfterRenderingTransparent for grass?
I followed a tutorial for unity URP stencil to hide objects, I want to use it to hide terrain grass under objects like vehicles, houses, etc..
The tutorial says to create 2 layers, and create render ...
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No vertex shader bound at draw?
I tried asking this on reddit but I didn't get any answers so I might as well try here
So I'm making a program to generate some terrain and it's not giving me the results I expected. It's drawing ...
CommunityBot
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What makes a shader function with a LineRenderer?
A LineRenderer has both Material and Color properties.
But many shaders do not work, ie the line will not respect the Color property, or the line will show black (regardless of the materials having ...
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Unity shader invalid subscript worldPos
I am trying to write a shader for Unity that replicates Splatoon's painting system, but I cannot get the shader to compile. It has an error on line 41 stating invalid subscript 'worldPos' at line 41 (...
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How do I repeatedly change the colors of a list of cubes in run time without causing a bottleneck to my fluid simulation?
I am coding a 3d fluid simulation. I want to render each cell of the simulation grid with a cube, so I have a grid of cubes. Each cube has its own color, and the colors are stored in a compute buffer. ...
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Game published for web freezes for 2-3 seconds the first time an explosion effect triggers
Using Godot 4.2.1
when exporting my game to HTML5 it runs completely fine until an explosion effect is spawned on screen for the first time when killing a mob, the game freezes for an entire 2-3 ...
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Draw Edges in OpenGL
I use blender game engine and blender uses OpenGL for graphics. How can I draw lines around all 3D objects? Would this be a job for a filter? Mainly, I want my end result to look drawn.
I found this:
<...
CommunityBot
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How to check input/output data for shaders in Renderdoc?
How can I check whether my vertex and pixel shaders' input and output have data in Renderdoc?
I have a problem with my pixel shader when I try to include input color. I get a black screen. When I ...
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Making a crosshatching effect in Unity Shader Graphs
I'm learning Shader Graph and am trying to experiment with toon shading effects. One thing I'd love to do is make a traditional art styled crosshatching effect either inside shadows or at the edge of ...
- 136k
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Unity Grayscale camera but mask colors
I'm trying to replicate the example given in this thread:
https://gamedev.stackexchange.com/a/185593/179264, and I was able to, but for now I want to implement the "mask" thing to 2d lights ...
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Is it possible to use a pre-existing texture buffer containing vertex data to initialise a vertex buffer for rendering in OpenGL v4.6?
I'm generating a heightmap in a compute shader in OpenGL v4.6 and storing it to a texture.
Lets say I actually store the full vertex data in that texture instead of just the height, which is a trivial ...
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How do you handle shaders/graphics while remaining cross-platform?
I'm building a C++ based game engine, and I have my ECS complete as well as some basic components for stuff like graphics & audio. However, I'm currently using a custom interface on top of SFML ...
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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....
CommunityBot
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Is Unity Legacy/Diffuse shader almost as efficient as Mobile/Diffuse shader (for mobile apps)?
I am developing mobile apps. I know that Mobile shaders are the best options for mobile apps in terms of fast performance.
However, I purchased 1 Unity asset, which only works with Legacy/Diffuse ...
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How to implement graphics API functions like setUniform on a cross-platform shader in VLang?
I've been working on a C++ game engine for a while, but I decided to scrap the project because doing it in C++, despite my best efforts, I could feel the technical dept building. As such, I switched ...
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How to calculate a direction vector from a 3x3 rotation matrix?
I have a dataset containing 2D images of telco towers and metadata. Each 2D image has 3x3 rotation matrix which provides orientation info about the drone when it captured the image.
Now I have a 3D ...
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Using ShaderGraph for UI elements with transparency
I am trying to design some UI elements using shader graph. In this case specifically a life bar that is transparent where empty.
For a normal life bar with a filled and empty color I got it working ...
CommunityBot
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Terrain and SpeedTree objects render correctly in Editor, but not in Build in both Legacy and URP
The game runs and shows perfectly in Editor, but when I make a build, terrain and some other objects become invisible. This happens the same in both Legacy (Standard) and URP.
I tried to create shader ...
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Shader FloodFill Alogrithm
I'm new to openGL and shaders.
Is there a way to implement shader algorithms for floodfills?
Basically, I have a picture with outlines and i want to fill the insides of where the user touches it
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Limit Color Pallete Using Shader
Basically, what I want to do is take a primary input image texture (which is a render texture in-game) and a secondary pallete texture (contains X number of colors, and is X by 1 pixels in size). What ...
CommunityBot
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Why do my shaders render differently in the simulator?
I am using simple shaders on the cards in my game. The shader is assigned as a material to a white image the covers the whole card.
They render as intended in the scene view, but do not in IOS ...
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How to remove a shader (or material) from a particle system in Unity?
I bought a Unity asset that has a particle system that displays many small cubes flying around. Then, the creator of this particle system add their own shader (or material) at the end of the particle ...
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Why do you use logarithmic curve to fix distortion of texture?
I'm a noob shader learner, and I came across this question about animated shaders in Unity: Animated textures for models; How to write a shader?
After reading the answer, I kind of understood the ...
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