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[Fix, Test] (MG_IntegrationTest): the harness is surfaceless by construction - never binds a window system, hardware demand split out of REQUIRE_GPU, pre-flight crashes keep their cores

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swung0x48
2026-08-11 00:58:22 -04:00
parent 1c6ca2753f
commit 7ce0966e7d
5 changed files with 99 additions and 29 deletions
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MobileGL/MG_IntegrationTest/Harness/ScenarioFixture.h
+12 -6
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@@ -45,12 +45,18 @@ namespace MGITest {
}
GTEST_SKIP() << "no usable GPU/display/ICD for backend " << gl.BackendName() << ": " << gl.SkipReason();
}
if (RequireGpu() && LooksLikeSoftwareRasterizer(gl.RendererString())) {
// "Ran on llvmpipe" must not be able to pass as "ran on the GPU":
// a misconfigured vendor pin silently lands on the software
// rasterizer, and REQUIRE_GPU exists precisely to make that loud.
FAIL() << "MOBILEGL_ITEST_REQUIRE_GPU is set but the context landed on a software rasterizer: "
<< gl.RendererString();
if (RequireHardwareGpu() && LooksLikeSoftwareRasterizer(gl.RendererString())) {
// Only when hardware was asked for BY NAME. REQUIRE_GPU means "an
// unusable harness is a failure, not a silent skip" - it is the
// falsifiability switch, and CI is exactly where it belongs. But CI
// runners have no GPU, so folding "must not be llvmpipe" into the
// same switch made the CI lane unpassable by construction: the
// scenarios pin backend draw logic, which a software rasterizer
// executes just as faithfully. Landing on llvmpipe/lavapipe there is
// the intended configuration, not a misconfiguration. A vendor pin
// that must not silently degrade sets REQUIRE_HARDWARE_GPU.
FAIL() << "MOBILEGL_ITEST_REQUIRE_HARDWARE_GPU is set but the context landed on a software "
<< "rasterizer: " << gl.RendererString();
}
// A scenario starts from a clean slate but shares the context (and so
// the renderer's memos) with every other scenario in this process -