Questions tagged [shading]

The tag has no usage guidance.

11 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
5 votes
0 answers

Why is Forward Rendering/Shading named this way?

Forward rendering is the 'classic' approach to the rendering pipeline. Nowadays it is mostly replaced by a more flexible, deferred rendering approach. I did some research and had trouble finding ...
LukeG's user avatar
  • 151
3 votes
0 answers

Irradiance field approximation with black probes

I'm posting here after some time searching the Internet and reading presentations and papers, to find out the best options to solve the problem I have. I'm implementing irradiance field with ...
Alex's user avatar
  • 31
2 votes
0 answers

Optimal Command Ordering for CPU/GPU concurrency

I am writing a renderer that uses a deferred clustered shading technique. On the CPU I group lights, decals, and environment maps into 3 seperate clustered structures (functionally, arrays of unsigned ...
J. H's user avatar
  • 21
2 votes
0 answers

How can you efficiently get the last element occluding light when rendering shadows?

A long time ago I made an application that used volumetric rendering and I developed some shadowing equations that I felt very happy with, since they have pretty good results. For these equations to ...
Makogan's user avatar
  • 1,696
2 votes
0 answers

Interpolating normals during animation

I'm doing linear tweening of a cyllinder to a cone of equal radius and height in OpenGL. I know parametric equations of both of them, so I derived vertex normals accordingly. Now, I know, that proper ...
Drinkwater's user avatar
1 vote
0 answers

General interpolation practices

Say my animation scenario contains one mesh interpolating into another (possibly approximating over other meshes), using Bezier curves. I know that for smooth surfaces, where normals can be ...
Drinkwater's user avatar
0 votes
0 answers

Ray tracing of a diffuse material sphere doesn't work, the sphere just shades black

I made this ray tracer in javascript to run on html with imageData. I have been using the book "Ray Tracing in One Weekend" as a reference (
playerJX1's user avatar
  • 101
0 votes
0 answers

Dark line artifact along edges of the shaded mesh

I have implemented an algorithm to calculate vertex normals by taking the normalized average of all its adjacent triangles. I have subdivided a cube two times with catmull clark and checked the ...
Lenny White's user avatar
0 votes
0 answers

Help me understand the derivation of this tangent space to object space matrix

I was trying to follow this But had problem understanding formula 7.33. $$p_i-p_j=(u_i-u_j)\mathrm{t}+(v_i-v_j)\mathrm{b}$$ * $p_i,p_j$ being ...
Eugene's user avatar
  • 111
0 votes
0 answers

Changing shader color

I have the following .fx file for my shader: ...
Alexander Mills's user avatar
0 votes
0 answers

Color shading and light calculation for ray tracing

I am currently building a ray tracer and I came across a problem and confusion regarding the light calculations. For lighting, I am using the following mathematical model: Where ...
Abdullah Emad's user avatar