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Realtime Compositor: Implement Cryptomatte node #115884

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Omar Emara merged 21 commits from OmarEmaraDev/blender:gpu-cryptomatte into main 2023-12-14 08:49:50 +01:00
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Omar Emara commented 2023-12-07 10:47:26 +01:00
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This patch implements the Cryptomatte node for the Realtime Compositor.

This patch implements the Cryptomatte node for the Realtime Compositor.
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Omar Emara added 13 commits 2023-12-07 10:47:36 +01:00
e2082ba634 Realtime Compositor: Add static cached images 
The realtime compositor currently relies on the GPU cache in image IDs.
That cache only supports single layer images, so multi-layer images will
be acquired without a cache, introducing significant IO bottlenecks for
the GPU compositor. Furthermore, the image ID GPU cache stores images in
formats that are not compatible with the realtime compositor, producing
erroneous alpha handling and data loss.

This patch ignores the image GPU cache and stores the images in the
static cache manager of the compositor. Draw data was introduced to the
image ID for proper cache invalidation, like other IDs such as masks.
The cached images are ensured to be premultiplied without data loss by
acquiring image buffers with packed alpha, then handling alpha manually.
Omar Emara added 1 commit 2023-12-08 13:35:11 +01:00
Omar Emara added 2 commits 2023-12-08 16:42:15 +01:00
Omar Emara changed title from WIP: Realtime Compositor: Implement Cryptomatte node to Realtime Compositor: Implement Cryptomatte node 2023-12-08 16:43:06 +01:00
Omar Emara added 1 commit 2023-12-13 11:23:16 +01:00
Omar Emara added 1 commit 2023-12-13 11:55:56 +01:00
Omar Emara added 1 commit 2023-12-13 12:03:45 +01:00
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c62b5924a9 Spelling
Omar Emara requested review from Brecht Van Lommel 2023-12-13 12:04:00 +01:00
Omar Emara commented 2023-12-13 12:04:25 +01:00
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Omar Emara added 1 commit 2023-12-13 12:34:31 +01:00
buildbot/vexp-code-patch-lint Build done. Details
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0bc9c4c199 Fix wrong function name
Omar Emara commented 2023-12-13 12:34:47 +01:00
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@blender-bot build

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Omar Emara added 1 commit 2023-12-13 13:58:08 +01:00
Brecht Van Lommel approved these changes 2023-12-13 20:36:02 +01:00
Omar Emara merged commit a8e13994b8 into main 2023-12-14 08:49:50 +01:00
Omar Emara deleted branch gpu-cryptomatte 2023-12-14 08:49:52 +01:00
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