User narthex

34 votes

Accepted

GLSL. Can someone explain why gl_FragCoord.xy / screenSize is performed and for what reason?

answered Oct 14, 2017 at 12:42

10 votes

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Getting rid of branching to check if a variable is within a range in GLSL

answered Dec 22, 2017 at 11:17

9 votes

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Multiple viewports with modern OpenGL?

answered Jan 11, 2017 at 14:51

8 votes

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Handling Projective Aliasing In Shadow Mapping

answered Dec 16, 2016 at 18:50

6 votes

What is the difference between a Sampler and an Image variables in GLSL?

answered Sep 12, 2016 at 18:24

5 votes

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Trying to understand environmental cubemaps

answered Jan 15, 2017 at 12:23

5 votes

Advice on how to create GLSL 2D soft smoke/cloud shader

answered Feb 9, 2017 at 16:31

4 votes

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Multiple VAO share a VBO

answered Jan 29, 2017 at 15:52

4 votes

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What is the correct way to put different textures on different parts of an object?

answered Dec 7, 2016 at 19:59

3 votes

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Clashes when combining openGL and GUI

answered Apr 6, 2017 at 10:01

3 votes

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Spherical Harmonics Diffuse CubeMap. How to get coefficients?

answered Apr 15, 2017 at 11:40

3 votes

How can I draw this style of grid?

answered Nov 16, 2018 at 17:08

2 votes

light probe (for global illumination) placement techniques?

answered Jul 13, 2019 at 11:50

2 votes

Shader code for putting an atmosphere over a planet

answered Oct 13, 2019 at 12:47

2 votes

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Screen Space Ambient Occlusion Issues

answered Jun 2, 2017 at 13:56

2 votes

How to use multithreading in 3D software renderer to speed up fetching texture values

answered Jul 20, 2017 at 8:34

2 votes

searching for acceptable quality shadow mapping techniques

answered Oct 8, 2016 at 12:49

2 votes

Accepted

Can I use the same vertices to render multiple things?

answered Aug 21, 2016 at 9:57

1 vote

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ping pong between same framebuffer two color attachments

answered Sep 1, 2016 at 15:52

1 vote

Rotating an Object Around an Axis

answered Oct 2, 2016 at 13:18

1 vote

How to clip multiple tiled textures to polygon in Webgl / opengl

answered Oct 9, 2016 at 10:48

1 vote

Rotating object around its own center

answered Dec 7, 2016 at 14:03

1 vote

How to watch image being ray traced?

answered Jan 28, 2017 at 14:44

1 vote

Accepted

Texture prefiltering for Linearly Transformed Cosines

answered Nov 17, 2018 at 16:23

0 votes

Using imageLoad/imageStore to perform atomic add

answered Nov 17, 2020 at 21:13

0 votes

Accepted

Multiplication of SH coefficient sets representing occlusion and color

answered Feb 5, 2017 at 10:34

0 votes

Frustum aligned volume integration - aliasing issue - temporal reprojection

answered Sep 10, 2016 at 18:57

Stack Exchange Network

27 Answers

GLSL. Can someone explain why gl_FragCoord.xy / screenSize is performed and for what reason?

Getting rid of branching to check if a variable is within a range in GLSL

Multiple viewports with modern OpenGL?

Handling Projective Aliasing In Shadow Mapping

What is the difference between a Sampler and an Image variables in GLSL?

Trying to understand environmental cubemaps

Advice on how to create GLSL 2D soft smoke/cloud shader

Multiple VAO share a VBO

What is the correct way to put different textures on different parts of an object?

Clashes when combining openGL and GUI

Spherical Harmonics Diffuse CubeMap. How to get coefficients?

How can I draw this style of grid?

light probe (for global illumination) placement techniques?

Shader code for putting an atmosphere over a planet

Screen Space Ambient Occlusion Issues

How to use multithreading in 3D software renderer to speed up fetching texture values

searching for acceptable quality shadow mapping techniques

Can I use the same vertices to render multiple things?

ping pong between same framebuffer two color attachments

Rotating an Object Around an Axis

How to clip multiple tiled textures to polygon in Webgl / opengl

Rotating object around its own center

How to watch image being ray traced?

Texture prefiltering for Linearly Transformed Cosines

Using imageLoad/imageStore to perform atomic add

Multiplication of SH coefficient sets representing occlusion and color

Frustum aligned volume integration - aliasing issue - temporal reprojection