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<title>slang.git/tests/metal/nested-parameter-block-reflection.slang, branch master</title>
<subtitle>Making it easier to work with shaders</subtitle>
<id>https://git.yummers.dev/slang.git/atom?h=master</id>
<link rel='self' href='https://git.yummers.dev/slang.git/atom?h=master'/>
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<updated>2025-09-30T18:21:27+00:00</updated>
<entry>
<title>Enable metal tests (#8446)</title>
<updated>2025-09-30T18:21:27+00:00</updated>
<author>
<name>James Helferty (NVIDIA)</name>
<email>jhelferty@nvidia.com</email>
</author>
<published>2025-09-30T18:21:27+00:00</published>
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<id>urn:sha1:8086adc90b69f3199767c0617e2c429ce6b27f67</id>
<content type='text'>
Enables all tests/metal/ tests that can be easily enabled.

These tests were not originally designed as render tests; they are
generally being enabled for pipecleaning purposes, and will not be
rigorously testing the corresponding funcitonality.

Where they cannot be enabled as render tests, and a metallib test wasn't
already enabled, a metallib test was enabled instead (where possible).

Fixes #7892</content>
</entry>
<entry>
<title>Fix 7441: CUDA boolean vector layout to use 1-byte elements (#7862)</title>
<updated>2025-08-01T09:18:53+00:00</updated>
<author>
<name>Harsh Aggarwal (NVIDIA)</name>
<email>haaggarwal@nvidia.com</email>
</author>
<published>2025-08-01T09:18:53+00:00</published>
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<id>urn:sha1:bdda8a90cdd44ca822b21233ac988f92d1f20826</id>
<content type='text'>
* Fix 7441: CUDA boolean vector layout to use 1-byte elements

Boolean vectors (bool1, bool2, bool3, bool4) were incorrectly implemented
as integer-based types using 4 bytes per element instead of actual 1-byte
boolean elements on CUDA targets.

Changes:
- Update CUDA prelude to define boolean vectors as structs with bool fields
  instead of typedef aliases to integer vectors
- Implement CUDALayoutRulesImpl::GetVectorLayout to use 1-byte alignment
  for boolean vectors, matching actual CUDA memory layout behavior
- Update make_bool functions to populate struct fields correctly

This ensures boolean vectors have the same memory layout as bool[4] arrays:
- bool1: 1 byte (was 4 bytes)
- bool2: 2 bytes (was 8 bytes)
- bool3: 3 bytes (was 12 bytes)
- bool4: 4 bytes (was 16 bytes)

Fixes memory layout mismatch between Slang reflection API and actual
CUDA compilation, achieving 75% memory savings for boolean vector usage.

* Fix CI issues -

Add and update associated functions and operators

* Make boolX same as uchar

* Use align construct on struct for boolX

* Improve Test case for robust alignment checks

* Formatting

* Disable selected slangpy tests

* add metal check which is slightly different than cuda

* Test-1

* Test-2

* Test-3

* Test-4

* ReflectionChange

* cleanup and update

* _slang_select with plain bool is needed for reverse-loop-checkpoint-test</content>
</entry>
<entry>
<title>Fix reflection to json issue (#7379)</title>
<updated>2025-06-10T17:35:01+00:00</updated>
<author>
<name>kaizhangNV</name>
<email>149626564+kaizhangNV@users.noreply.github.com</email>
</author>
<published>2025-06-10T17:35:01+00:00</published>
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<id>urn:sha1:d93c71d53f969e5cd3911fbada0e566cd1887ec1</id>
<content type='text'>
Apply argument buffer tier2 rule when using parameter block for Metal target.

Close #6803.</content>
</entry>
<entry>
<title>Fix Metal type layout reflection for nested parameter blocks. (#6042)</title>
<updated>2025-01-10T18:58:12+00:00</updated>
<author>
<name>Yong He</name>
<email>yonghe@outlook.com</email>
</author>
<published>2025-01-10T18:58:12+00:00</published>
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<id>urn:sha1:54845333858579f66bfa7c42bbf0b8e1317206ce</id>
<content type='text'>
</content>
</entry>
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