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Cycles: add Progressive Multi-Jitter sampling pattern

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This sampling pattern is particularly suited to adaptive sampling, and will
be used for that upcoming feature.

Based on "Progressive Multi-Jittered Sample Sequences" by Per Christensen,
Andrew Kensler and Charlie Kilpatrick.

Ref D4686
This commit is contained in:
Stefan Werner
2020-03-02 15:12:44 +01:00
committed by Brecht Van Lommel
parent 7b8db971d4
commit 409074aae5
12 changed files with 415 additions and 11 deletions
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intern/cycles/render/scene.cpp
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@@ -77,7 +77,7 @@ DeviceScene::DeviceScene(Device *device)
svm_nodes(device, "__svm_nodes", MEM_TEXTURE),
shaders(device, "__shaders", MEM_TEXTURE),
lookup_table(device, "__lookup_table", MEM_TEXTURE),
sobol_directions(device, "__sobol_directions", MEM_TEXTURE),
sample_pattern_lut(device, "__sample_pattern_lut", MEM_TEXTURE),
ies_lights(device, "__ies", MEM_TEXTURE)
{
memset((void *)&data, 0, sizeof(data));