Questions tagged [rasterizer]

For questions related to the rasterization process, both in terms of GPU hardware and algorithms related to rasterization.

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Polygon Filling rule - even odd OR orientation of the normal

I am going through some ideas that slice a 3D model and fill the area of the resulting polygon contour . Currently they are using the following concepts as follows: Every resulting line of the ...
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Deferred Decals

What's the proper of way of calculating the coords to apply decals by let's say linear interpolation? My understanding is that you render your GBuffer albedo, specular, etc... and after that you do ...
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Artifacts (numerical errors?) in rasterisation renderer

This might be not laser precision question but this issue appeared a long time ago when first trying to render some scene with 3D models in rasterisation renderer and apply some lighting, ...
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41 views

How widespread are T-vertex artifacts nowadays?

As far as I know, OpenGL specifies that you cannot rely on precise rounding of vertex and edge coordinates for rasterization - which means that T-vertices may cause small artifacts: a continuous and a ...
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46 views

Combining two images based on their depth maps

Lets assume, we have two depth maps with us and their corresponding color maps. Now, our task is to populate a final image that will be displayed. Each pixel in the final image needs to be calculated ...
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Compute UV Normals and World Position from a given texture coordinate

I'm turning to you as a newbie in CG, with a question that might easily be answerable for pros. What I need to do is the following: I have a (rather simple) quad mesh in a 3D modelling software, say, ...
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113 views

Projecting one Quadratic Bezier Curve Onto Another

I'm working on improving an open source rasterization library called Gudni that I started a few years ago. It's source repository and the branch I'm currently working on are here: https://github.com/...
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114 views

How to guarantee rasterization of triangles in a voxel representation

There are 2 problems i am trying to solve involving rasterization of geometry in 3D. The first is, my 3D texture is created with a top down viewd, so triangles that are perfectly orthogonal to the ...