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Questions - shader

How does one shift hue in CIE-XYZ color space?

I need to implement my own hue rotation function within the CIE color space. I can't find any technical descriptions of how this is done. I found high level descriptions like "rotate around the Y...
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Spectraljump

colors

shader

color-space

lab-color-space

color-conversion

Votes: 0

Answers: 1

Latest Answer

CIE color has a lot of representations and subrepresentations, and it's not visualized or explained technically or consistently around the internets.. After reading many sources and checking many proj...
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Spectraljump

How to store INTEGER vec2 to texture using FBO and read it by glReadPixels

I want to generate an integer texture with two channels, and I want the first channel to store the index of each vertex and the second channel to store the index of the model, so each pixel in this te...
test-img

yys_c

c++

opengl

glsl

shader

textures

Votes: 0

Answers: 1

Latest Answer

If you create your texture as GL_RG32UI, you should also make sure to store it in the correct format. layout( location = 1 ) out vec2 vid_mid; Assumes that you output to a float format, if you want y...
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mrvux

Is there a way to calculate dFdx(dFdx()) of something within a fragment shader?

So I already know that the documentation for dFdx, dFdy, and fwidth states that "expressions that imply higher-order derivatives such as dFdx(dFdx(n)) have undefined results, as do mixed-order de...
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Andy Qu

glsl

shader

fragment-shader

threejs-editor

Votes: 0

Answers: 1

Latest Answer

Perhaps there is a way to manually take information from neighboring fragments? Even if you could (and with some subgroup extensions, you can), it wouldn't help. Fragment shaders execute invocations...
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Nicol Bolas

Monogame HLSL shader error "The Parameter is incorrect"

I got the following error message: SharpDX.SharpDXException: 'HRESULT: [0x80070057], Module: [General], ApiCode: [E_INVALIDARG/Invalid Arguments], Message: The parameter is incorrect. ...
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codymanix

shader

monogame

hlsl

Votes: 0

Answers: 1

Latest Answer

I solved the issue for now by setting DesktopGL instead of Windows as monogame platform. But then it says that shadermodel 4 is not supported, so I had to set it to 3 which works but still very strang...
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codymanix

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