diff options
| author | Sebastian Herhoz <sebastian.herholz@intel.com> | 2022-09-21 18:58:34 +0300 |
|---|---|---|
| committer | Brecht Van Lommel <brecht@blender.org> | 2022-09-27 16:56:32 +0300 |
| commit | 75a6d3abf75f3082adf5240ae34973844c0d9a09 (patch) | |
| tree | 6967aea2480187db007cdc003bad14fbb372570d /tests | |
| parent | 6d19da0b2d468f099e0c1f56392ab8a1750d114f (diff) | |
Cycles: add Path Guiding on CPU through Intel OpenPGL
This adds path guiding features into Cycles by integrating Intel's Open Path
Guiding Library. It can be enabled in the Sampling > Path Guiding panel in the
render properties.
This feature helps reduce noise in scenes where finding a path to light is
difficult for regular path tracing.
The current implementation supports guiding directional sampling decisions on
surfaces, when the material contains a least one diffuse component, and in
volumes with isotropic and anisotropic Henyey-Greenstein phase functions.
On surfaces, the guided sampling decision is proportional to the product of
the incident radiance and the normal-oriented cosine lobe and in volumes it
is proportional to the product of the incident radiance and the phase function.
The incident radiance field of a scene is learned and updated during rendering
after each per-frame rendering iteration/progression.
At the moment, path guiding is only supported by the CPU backend. Support for
GPU backends will be added in future versions of OpenPGL.
Ref T92571
Differential Revision: https://developer.blender.org/D15286
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/python/CMakeLists.txt | 5 | ||||
| -rw-r--r-- | tests/python/cycles_render_tests.py | 2 |
2 files changed, 7 insertions, 0 deletions
diff --git a/tests/python/CMakeLists.txt b/tests/python/CMakeLists.txt index 27473061304..fe00cce2572 100644 --- a/tests/python/CMakeLists.txt +++ b/tests/python/CMakeLists.txt @@ -677,6 +677,11 @@ if(WITH_CYCLES OR WITH_OPENGL_RENDER_TESTS) list(APPEND render_tests denoise) endif() + # Disabled until new OpenGL version with deterministic results. + #if(WITH_CYCLES_PATH_GUIDING) + # list(APPEND render_tests guiding) + #endif() + if(WITH_OPENGL_RENDER_TESTS) list(APPEND render_tests grease_pencil) endif() diff --git a/tests/python/cycles_render_tests.py b/tests/python/cycles_render_tests.py index 10ba2ce552a..4f823f854bf 100644 --- a/tests/python/cycles_render_tests.py +++ b/tests/python/cycles_render_tests.py @@ -56,6 +56,8 @@ BLACKLIST_GPU = [ # Inconsistent handling of overlapping objects. "T41143.blend", "visibility_particles.blend", + # No path guiding on GPU. + "guiding*.blend", ] |