mirror of
https://github.com/Droid-Deck/DroidDeck.git
synced 2026-11-11 19:11:08 +00:00
Stefan Zijlstra
6fcc11ab80
The chain copy that clears the emulated textureCompressionBC only knew a handful of structure sizes, so a valid chain such as VkPhysicalDeviceTimelineSemaphoreFeatures -> VkPhysicalDeviceFeatures2 was passed on unchanged and the compat layer refused the bit. Size every structure that may extend VkDeviceCreateInfo from a table generated from the Vulkan registry (gen_device_chain.py, Vulkan-Headers 1.3.275, the headers the build compiles with), and copy onto the heap instead of a fixed buffer. Only a structure newer than those headers still passes the chain unchanged. Add a regression test that runs the layer between a simulated loader and a mock driver: the timeline-semaphore chain, pEnabledFeatures, an unknown structure, the caller's structures left untouched, per-device YCbCr sampler tracking with handle reuse, and the KHR calibrated-timestamp forwarding. CI installs libvulkan-dev for it.
48 lines
2.4 KiB
Python
48 lines
2.4 KiB
Python
import os
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from pathlib import Path
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import shutil
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import subprocess
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import tempfile
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import unittest
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TOOLS = Path(__file__).resolve().parents[1]
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LAYER = TOOLS / "linuxfs/xclipse-layer"
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class XclipseLayerTest(unittest.TestCase):
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def test_layer_against_a_mock_loader_and_driver(self):
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compiler = shutil.which(os.environ.get("CC", "cc"))
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if not compiler:
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self.fail("A C compiler is required for the Xclipse layer regression test")
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# The build compiles the layer against the distribution's headers (libvulkan-dev);
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# VULKAN_INCLUDE points elsewhere, e.g. a Vulkan-Headers checkout on macOS.
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include = Path(os.environ.get("VULKAN_INCLUDE", "/usr/include"))
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if not (include / "vulkan/vk_layer.h").is_file():
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self.fail("Vulkan headers are required: install libvulkan-dev or set VULKAN_INCLUDE")
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with tempfile.TemporaryDirectory(prefix="droiddeck-xclipse-") as tmp:
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program = Path(tmp) / "xclipse-layer"
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built = subprocess.run([compiler, "-std=gnu11", "-Wall", "-Wextra", "-Werror", "-Wno-unused-parameter",
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"-UNDEBUG", "-pthread", "-I", str(LAYER), "-I", str(include),
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str(Path(__file__).with_name("xclipse_layer_test.c")), "-ldl", "-o", str(program)],
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capture_output=True, text=True)
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self.assertEqual(built.returncode, 0, built.stdout + built.stderr)
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ran = subprocess.run([str(program)], capture_output=True, text=True, timeout=30)
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self.assertEqual(ran.returncode, 0, ran.stdout + ran.stderr)
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self.assertIn("xclipse layer ok", ran.stdout)
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def test_device_chain_table_matches_its_generator(self):
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registry = os.environ.get("VULKAN_REGISTRY")
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if not registry:
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self.skipTest("set VULKAN_REGISTRY to a Vulkan-Headers 1.3.275 checkout to recheck device_chain.inc")
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with tempfile.TemporaryDirectory(prefix="droiddeck-chain-") as tmp:
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output = Path(tmp) / "device_chain.inc"
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subprocess.run(["python3", str(LAYER / "gen_device_chain.py"), str(Path(registry) / "registry/vk.xml"),
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str(Path(registry) / "include/vulkan/vulkan_core.h"), str(output)],
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check=True, capture_output=True)
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self.assertEqual(output.read_text(), (LAYER / "device_chain.inc").read_text())
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if __name__ == "__main__":
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unittest.main()
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