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Etx Tracer Versions
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Physically-based CPU and GPU ray-tracer
Overview
Versions
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developer-preview-6
7 months ago
Changes
Rendering
added random walk subsurface scattering
changed thin film material tracing logic
added translucent (diffuse transmission) material
medium sampling improved
old an unused materials removed
General changes
changes to material definition
overall UI updates and fixes
material editor greatly improved
Code
experimental macOS support
code also compiled with clang on Windows
old and unused code removed
developer-preview-5.1
1 year ago
Changes
subsurface scattering in VCM integrator;
faster (multithreaded) spatial grid generation in VCM;
optional support of OpenVDB removed;
NanoVDB support is now enabled by default ;
release include binary to convert vbd -> nvdb;
a lot of code refactoring;
Embee upgraded to version 4;
new wavefront CPU path tracer.
developer-preview-5
1 year ago
Changes
velvet BRDF;
subsurface scattering (Christensen-Burley, only available in CPU path tracing integrator);
all conductor and dielectric are now multi-scattering only;
all GPU integrators are temporarily disabled;
RIS sampling in direct lighting integrator (experimental state);
materials and mediums editing, emitters editing, camera options;
saving modified scene now available;
deprecated and unused BRDFs removed;
developer-preview-4
1 year ago
Changes
Vertex Connection and Merging integrator working on GPU (super slow, and super long to compile);
OptiX denoiser could be used on GPU Path Tracer;
pure CUDA functions now supported (without OptiX);
various fixes for materials (mixture BRDF works on GPU);
more test assets included.
developer-preview-3
2 years ago
Changes
GPU rendering with OptiX (unidirectional path tracing only now);
complex Fresnel coefficients (general form);
thin film rendering on top of all materials (with reflections);
performance improvements;
more samples added to assets;
atmosphere integrator (produces sky environment images).
developer-preview-2
2 years ago
Changes:
added Bidirectional integrator;
added VCM integrator;
added multiscattering materials;
added ability to save tonemapped image;
fixes and improvements in UI and workflow.
develer-preview-01
2 years ago
The very a first developer preview or etx-tracer:
basic UI and controls;
is possible to open .obj files, but materials (.mtl file) have to be adjusted (by default all materials will be diffuse);
package includes sample scenes (json files), but exact scene format is still to be designed;
only CPU path tracing is included into this release.
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