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I'm playing around with DirectX 12 ray tracing, and I'm trying to read and write data to a 32-bit RGBA floating point RWTexture2DArray within a DirectX 12 HLSL shader....
Asked on 08/27/2021 by b1skit
0 answerThis is standard Cook-Torrance BRDF in formulation for a single point light. No intergrals over a hemisphere, just a single direction to a source of incoming energy. $$L_o...
Asked on 08/27/2021 by Emil Kabirov
1 answerI implemented Djikstra's shortest path algorithm to approximate Geodesics on arbitrary meshes. Djikstra's works, but I noticed a problem inherent to the discretization of my meshes. Consider the following figure...
Asked on 08/27/2021 by Makogan
1 answerI'm trying to perfectly align two or more equirectangular photos of the same place taken from slightly different positions.Using an example provided by openMVG I managed to get the...
Asked on 03/03/2021 by Lucio Coire Galibone
1 answerLet $f$ denote the measurement contribution function for paths of length $kinmathbb N$, i.e. $$f(x)=g(x_0leftrightarrow x_1)W_{text e}(x_1to x_0)t_k(x_0,ldots,x_k)L_{text e}(x_kto x_{k-1}),$$ where $$t_k(x)=prod_{i=2}^kg(x_{i-1}leftrightarrow x_i)f_{text s}(x_ito x_{i-1}to x_{i-2}),$$...
Asked on 02/10/2021
2 answerNearest interpolation between 2 texels means to take the texel whose center is nearest to a given coordinate to draw or, in other words, the texel the coordinate is matching....
Asked on 01/29/2021 by Adrian
2 answerIs it possible to have a dynamic array in a GLSL shader? For instance, what if I have something like this in my GLSL Shader:uniform int size;uniform SceneLights lights[size];void...
Asked on 01/13/2021 by Archmede
3 answerIn the picture the horizontal and vertical lines are the conductors and the intersections are the pixel positionsI want to turn off...
Asked on 01/05/2021 by Bisma
0 answerI'm using 2d signed distance fields in my current project for drawing shapes (example: https://www.shadertoy.com/view/4llXD7) and I want to add drop shadows to them. At first I...
Asked on 01/02/2021 by weichsem
0 answerIt seems that virtually all path tracers use eye-based or view-based path tracing. That is, the light rays originate from the camera rather than the light source. The reason given...
Asked on 08/12/2020 by jheindel
2 answerGet help from others!
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