Skip to main content

Questions tagged [render]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0 votes
2 answers
277 views

Why are the transformations of an object calculated on CPU?

If I understood correctly this is the process of rendering an object: Array of 4d vector defining points 3d points(with the fourth component 1) representing object's vertices in object/local space: <...
Bogdan Floareș's user avatar
0 votes
1 answer
75 views

How to implement falloff control in brute force ambient occlusion?

My AO algorithm is as follows, whith the random vectors just all over the hemisphere: ...
mrmanet's user avatar
0 votes
0 answers
78 views

Using Perspective Rendering To Render A 3D Point

I am wondering how I can use perspective rendering to render a point onto a screen. An image showing perspective rendering: Say I have a 3d point (with x, y, and z coordinates), a point for the ...
Brendan R.'s user avatar
1 vote
0 answers
774 views

DX12 Debug Layer doesn't output detailed error information

When I use the CreateGraphicsPipelineState function in DX12, there's an error "E_INVALIDARG One or more arguments are invalid." returned by the function, but there isn't detailed information ...
typpe C's user avatar
  • 11
1 vote
1 answer
445 views

Is there a general rule with regard to using the inverse of the "camera" to world when using a homogeneous transform matrix?

Not sure if this is just specific to this article but it says: We learned how to convert points from world to any local coordinate system. If we know the local-to-world matrix, we can multiply the ...
brent's user avatar
  • 113
0 votes
1 answer
523 views

Which technique should be used for rendering under water images, Ray tracing or Radiosity?

Rendering is the process of computing a three-dimensional geometric description of a scene into a two-dimensional image representation that looks real. Ray-tracing and Radiosity are two of the most ...
faizan ahmed's user avatar
8 votes
1 answer
1k views

Path Tracing With Multiple Lights

I've got my path tracer working great for a single light, but I'm having trouble coming up with a solution for scenes with multiple lights. My first thought was to just send a ray to each light and ...
Henry Bergin's user avatar
7 votes
1 answer
2k views

Mimicking Blender's "roughness" in my path tracer

Recently I asked a question regarding how to mix a glossy and diffuse shader in my path tracer: Mix shader looks wrong on my path tracer. I thought it was incorrect, but a comparison between mine and ...
Henry Bergin's user avatar
5 votes
1 answer
5k views

What are the benefits of downscaling on modern games?

I'm a software engineer and although I currently don't work on anything related to computer graphics, I understand how downscaling works, what I don't understand is why most modern games default to ...
UnsafePointer's user avatar
1 vote
1 answer
68 views

What is the name of these software on 2 screen? [closed]

Look at the photo, modelling for new products. Regards
David's user avatar
  • 11
5 votes
2 answers
6k views

What are the current open problems in Computer Graphics?

I did a quick investigation about the topic but there doesn't seem a decent resource to find related problems without digging into latest CG papers (unlike CS problems you can easily find a Wikipedia ...
concept3d's user avatar
  • 243
4 votes
1 answer
1k views

Triangulated model rasterization: light-weight Python library

I have a 3D model, which consists of ~50 thousand vertices and 100 thousand triangles. Format is: there's array of vertices' coordinates and array of triangles, which has numbers of vertices (e.g., [1,...
Charlie's user avatar
  • 161
12 votes
1 answer
814 views

Rendering in radiometric units or photometric?

In traditional rendering, it is typical to do all the calculations with radiometric units, either as full spectral rendering, or component-wise (XYZ, RGB, etc). However, as modern rendering adds more ...
RichieSams's user avatar
  • 3,792