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Add skip_h2d_for_constants to keep constants in device memory (#24144) #28009

	name: Test Vulkan Backend

	on:
	schedule:
	- cron: 0 2 * * *
	push:
	branches:
	- main
	- release/*
	tags:
	- ciflow/nightly/*
	pull_request:
	workflow_dispatch:

	concurrency:
	group: ${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.ref_name }}-${{ github.ref_type == 'branch' && github.sha }}-${{ github.event_name == 'workflow_dispatch' }}-${{ github.event_name == 'schedule' }}
	cancel-in-progress: true

	jobs:
	# Default coverage: builds + runs on SwiftShader (software Vulkan) on CPU
	# runners. Runs on every PR and nightly.
	test-vulkan:
	uses: ./.github/workflows/_test_backend.yml
	permissions:
	id-token: write
	contents: read
	with:
	backend: vulkan
	flows: >-
	${{ github.event_name == 'pull_request'
	&& '["vulkan"]'
	\|\| '["vulkan", "vulkan_static_int8_per_channel"]' }}
	ref: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha \|\| github.sha }}
	timeout: 120
	run-linux: true

	# Real-GPU (NVIDIA) and Windows MSVC coverage live in vulkan.yml, which gates
	# those scarce/expensive runners behind path filtering.