Questions tagged [vertex-shader]
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62 questions
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Decompiling a DXBC - why is an integer operation working with a massive float?
I'm decompiling a game's shaders with RenderDoc in an effort to understand them, and I encountered this segment:
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How to efficiently construct model matrices in a vertex shader from a small amount of data, for instanced rendering of many moving 3d game characters
I am trying to efficiently render many 3d game characters: many instances of the same 3d model which can change their positions and z rotations each frame. For reference I'm using OpenGL but this ...
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Set Shader Graph out position in clip space
Is it possible to set the output vertex position in a space other than object space?
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Is there any way to store values in vertex shader such that they can be used in the next frame?
As I understand, the values assigned in the vertex shader aren't persistent and storing them doesn't do anything. I want to store the MVP matrix in another variable to be used in the next frame.
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Expected a smoothly fading opacity in this Raylib shader, but instead it is chunky
In my main file, I create a regular icosahedron and assign the below shaders to it using the Raylib framework in C++17. I intended for the vertex shader to assign a 1.0 alpha value to points at Z=-5....
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modify unity plane into pyramid with a flattened top (frustum)
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Is it possible to make a plane appear as a pyramid with a flat top ? I'm thinking of a vertex shader with a slider for where the "flat top" is. I'm having trouble knowing where to ...
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Little problem with offsetting transformed vertex in a vertex shader
I’m working on some home-made menu stuff under DX11. I’m creating the rect menus at start all located at position 0,0. Each menu contains some lines of options. Everything is created as transformed ...
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How to avoid conditional statements inside a vertex shader?
How can I avoid the conditional statement of the following code snippet of the vertex shader? What is an improved way of writing the below?
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What is the use of multiple vertex color sets
I noticed that Assimp supports meshes with multiple vertex color sets, but what is the use of multiple vertex color sets? I mean are multiple vertex color sets are really used in any games, and if yes,...
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How to add inverted hull outline to desired objects in HLSL?
I am currently trying to edit a Vertex Shader of a game and want to add inverted hull outlines to the desired objects, but there are a lot of tutorials on the inverted hull for Unity, Blender, and ...
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GLSL Shader r GL_INVALID_OPERATION from glUniform1f error with textureSize
For debug purposes I've minimised the shader to the following:
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Vertex Displacement Shader Graph With The Camera Moving Issue
I have a foliage sway shader, that works well.
But when the camera moves the vertex displacement stops:
And the weird thing also is that if I move the camera to the right nothing seems to happen, but ...
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Vertex color values are not smoothly transitioning/interpolating in Godot shader
I'm trying to write a shader for terrain that will color the mesh based on slope angle, ie color the sides of mountains or other steep surfaces a different color than the ground. In my shader I am ...
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Is there a way to figure out in which quad I am in fragment shader?
In my openGL project I draw a lot of quads (composed from 2 triangles) - for sake of example let's say quad 0,1,2 and 3. I process them in single pass. I do transform them with projection view matrix ...
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How to map 2d point on grid/plane mesh to 3d point on sphere with minimal distortion?
I have a grid of voxels that I want to "bend" into a sphere via a vertex shader with minimal distortion. I've tried 2 approaches so far, both of which don't quite give me the desired effect.
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