mirror of
https://github.com/Droid-Deck/DroidDeck.git
synced 2026-11-11 19:11:08 +00:00
58 lines
2.6 KiB
Python
58 lines
2.6 KiB
Python
from pathlib import Path
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import re
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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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ROOT = Path(__file__).resolve().parents[2]
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SRC = ROOT / 'app' / 'src' / 'main' / 'cpp' / 'waylandcomp' / 'src'
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TOOLS = ROOT / 'tools' / 'cardboard'
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def spirv_words(header: str) -> list[str]:
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return re.findall(r'0x[0-9a-fA-F]{8}', header)
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@unittest.skipUnless(shutil.which('cc'), 'needs a C compiler')
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class CardboardParamsTest(unittest.TestCase):
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def test_clamp_and_push_constant_layout(self):
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with tempfile.TemporaryDirectory() as folder:
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binary = str(Path(folder) / 'test-cardboard')
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subprocess.run(['cc', '-std=c11', '-Wall', '-Wextra', '-Werror', '-O2', '-DCARDBOARD_HOST_TEST',
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'-D_DEFAULT_SOURCE', f'-I{SRC}', f'-I{Path(folder)}', '-o', binary,
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str(TOOLS / 'test_cardboard_params.c'), str(SRC / 'cardboard.c'), '-lm'],
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check=True, cwd=folder, env=self._env(folder))
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result = subprocess.run([binary], capture_output=True, text=True, check=True, timeout=10)
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self.assertIn('PASS: cardboard params', result.stdout)
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@staticmethod
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def _env(folder):
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import os
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stub = Path(folder) / 'vulkan'
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stub.mkdir(exist_ok=True)
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(stub / 'vulkan.h').write_text('typedef struct VkDevice_T *VkDevice; typedef struct VkImage_T *VkImage;\n'
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'typedef struct VkCommandBuffer_T *VkCommandBuffer;\n'
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'typedef struct { int unused; } VkPhysicalDeviceMemoryProperties;\n')
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return dict(os.environ)
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@unittest.skipUnless(shutil.which('glslangValidator'), 'needs glslangValidator')
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class CardboardShaderTest(unittest.TestCase):
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def test_committed_spirv_matches_the_glsl(self):
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with tempfile.TemporaryDirectory() as folder:
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out = Path(folder) / 'cardboard_frag.h'
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subprocess.run(['glslangValidator', '-V', '--vn', 'cardboard_frag_code', '-o', str(out),
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str(SRC / 'cardboard.frag')], check=True, capture_output=True)
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self.assertEqual(spirv_words(out.read_text()), spirv_words((SRC / 'cardboard_frag.h').read_text()),
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'cardboard_frag.h is stale: regenerate it from cardboard.frag (see cardboard.c)')
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def test_push_constants_fit_the_guaranteed_range(self):
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glsl = (SRC / 'cardboard.frag').read_text()
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block = glsl[glsl.index('uniform PC {'):glsl.index('} pc;')]
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self.assertLessEqual(16 * len(re.findall(r'\bvec4\b', block)), 128)
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if __name__ == '__main__':
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unittest.main()
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