User Alan Wolfe

51 votes

4 answers

70k views

How is Gaussian Blur Implemented?

asked Aug 5, 2015 at 3:58

27 votes

2 answers

11k views

How is a light probe different than an environmental cube map?

asked Aug 13, 2015 at 5:24

17 votes

2 answers

3k views

Why use a tent filter in path tracing?

asked Aug 18, 2016 at 16:50

15 votes

3 answers

2k views

Non Real Time Raytracing

asked Aug 14, 2015 at 17:42

15 votes

1 answer

867 views

Are lookup textures still used for anything?

asked Aug 12, 2015 at 16:16

14 votes

1 answer

2k views

Is Jump Flood Algorithm Separable?

asked Feb 26, 2016 at 17:49

13 votes

1 answer

990 views

Is this the correct way to implement Beer's Law?

asked Aug 20, 2015 at 14:20

12 votes

1 answer

4k views

Is doing multiple Gaussian blurs the same as doing one larger blur?

asked Aug 15, 2015 at 18:33

12 votes

1 answer

702 views

Is a cubic Lagrange interpolation tensor product the same as bicubic interpolation?

asked Aug 4, 2015 at 18:15

12 votes

2 answers

7k views

How does temporal reprojection work?

asked Aug 9, 2015 at 1:57

12 votes

1 answer

4k views

How is Depth of Field Implemented?

asked Aug 5, 2015 at 16:03

12 votes

2 answers

1k views

What is the fundamental reasoning for anti aliasing using multiple random samples within a pixel?

asked Sep 16, 2016 at 16:25

11 votes

1 answer

331 views

Choosing width of data for signed distance field texture

asked Mar 10, 2016 at 14:17

11 votes

1 answer

2k views

Algorithms for down sampling an image?

asked Aug 6, 2015 at 14:53

10 votes

2 answers

3k views

Is there a method to do ray marching style modulus repeat with raytracing?

asked Oct 6, 2016 at 16:20

10 votes

1 answer

2k views

Why do multiple Gaussian Blurs?

asked Aug 17, 2015 at 14:11

9 votes

3 answers

4k views

What is bilateral upsampling?

asked Jun 20, 2016 at 17:29

9 votes

1 answer

438 views

Do you need to use a lowpass filter before downsizing an image?

asked Aug 7, 2015 at 14:42

9 votes

1 answer

1k views

Link between blue noise sampling and blue noise textures?

asked Jun 1, 2017 at 13:41

8 votes

3 answers

2k views

Does premultiplied alpha give order independent transparency?

asked Sep 13, 2017 at 23:28

8 votes

2 answers

3k views

Mitchell's Best Candidate Algorithm

asked Oct 5, 2017 at 4:00

8 votes

2 answers

3k views

What is a good color similarity metric?

asked Nov 27, 2016 at 23:59

8 votes

1 answer

2k views

Proper way to handle diffuse + refraction + reflection rays in path tracing?

asked Sep 13, 2016 at 19:06

8 votes

2 answers

156 views

How do shaped lights work?

asked Aug 13, 2015 at 3:32

8 votes

1 answer

4k views

How is motion blur implemented in modern realtime renderers?

asked Aug 16, 2015 at 3:50

8 votes

2 answers

1k views

Why random monte carlo sampling instead of uniform sampling?

asked Aug 18, 2016 at 16:46

8 votes

1 answer

131 views

Cost of parameter passing in webgl pixel shaders?

asked Feb 3, 2016 at 20:13

7 votes

2 answers

5k views

How does vsync affect fps exactly when not at full vsync fps?

asked Mar 10, 2016 at 14:09

7 votes

1 answer

470 views

Does prerendering actually help performance?

asked Oct 17, 2015 at 2:04

7 votes

2 answers

4k views

GPU branching if without else

asked Oct 10, 2016 at 19:05

Stack Exchange Network

55 Questions

How is Gaussian Blur Implemented?

How is a light probe different than an environmental cube map?

Why use a tent filter in path tracing?

Non Real Time Raytracing

Are lookup textures still used for anything?

Is Jump Flood Algorithm Separable?

Is this the correct way to implement Beer's Law?

Is doing multiple Gaussian blurs the same as doing one larger blur?

Is a cubic Lagrange interpolation tensor product the same as bicubic interpolation?

How does temporal reprojection work?

How is Depth of Field Implemented?

What is the fundamental reasoning for anti aliasing using multiple random samples within a pixel?

Choosing width of data for signed distance field texture

Algorithms for down sampling an image?

Is there a method to do ray marching style modulus repeat with raytracing?

Why do multiple Gaussian Blurs?

What is bilateral upsampling?

Do you need to use a lowpass filter before downsizing an image?

Link between blue noise sampling and blue noise textures?

Does premultiplied alpha give order independent transparency?

Mitchell's Best Candidate Algorithm

What is a good color similarity metric?

Proper way to handle diffuse + refraction + reflection rays in path tracing?

How do shaped lights work?

How is motion blur implemented in modern realtime renderers?

Why random monte carlo sampling instead of uniform sampling?

Cost of parameter passing in webgl pixel shaders?

How does vsync affect fps exactly when not at full vsync fps?

Does prerendering actually help performance?

GPU branching if without else