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Fix #162523: GPU: Add mipmap workaround for Intel Arc Windows OpenGL

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The compute-shader based function `update_mipmaps` can generate broken
mipmaps for Intel Arc Windows OpenGL. A workaround for falling back to
`generate_mipmap` is added to mitigate the issue. Furthermore, a render
test is added that catches the issue.

Pull Request: https://projects.blender.org/blender/blender/pulls/162524
This commit is contained in:
Christoph Neuhauser 2026-08-13 16:03:06 +02:00
parent f6c6ee2405
commit 9dfdae1c36
7 changed files with 89 additions and 24 deletions
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8
tests/python/storm_render_tests.py
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@ -24,6 +24,12 @@ except ImportError:
# this script is run during preparation steps.
pass
BLOCKLIST = [
# Currently, image_mipmap tests are not enabled for storm-usd
"image_cache_evict.blend",
"image_mipmap_.*.blend",
]
# Unsupported or broken scenarios for the Storm render engine
BLOCKLIST_HYDRA = [
# Corrupted output around borders
@ -235,7 +241,7 @@ def main():
parser = create_argparse()
args = parser.parse_args()
blocklist = []
blocklist = BLOCKLIST
if args.gpu_backend == "metal":
blocklist += BLOCKLIST_METAL
elif args.gpu_backend == "vulkan":