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[MG_Test] (Disaggregated): P5f fm - pin independent object consumer emission gates

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swung0x48
2026-09-19 22:58:10 -04:00
parent 7b2253c8b7
commit 73a0e96177
1 changed files with 43 additions and 0 deletions
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MobileGL/MG_Test/Wire/RemoteClientTest.cpp
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@@ -589,6 +589,49 @@ TEST(CapsMirrorTest, APlaceholderMirrorConsumesNothing) {
(void)empty;
}
TEST(CapsMirrorTest, ObjectFamilyEmissionTracksIndependentConsumerCapsWithoutBufferOps) {
#if MGTEST_HAVE_FORK
// Isolate every process global: transport, push mask, caps generation, refusal
// counters and the cached supply environment must not escape into another case.
const ChildResult result = RunInChild([] {
MG_Config::Transport = MG_Config::TransportMode::InProcess;
MG_Config::Features.PipePush = kMGPipeSubsystemsMigratedAtP5e;
MG_Pipe::MGPipeSetResourceOps(nullptr);
const auto emits = [](Uint64 family) { return MGPipeP4aFamilyEmits(family, family); };
Snapshot snapshot = MakeSnapshot(kMGPipeSubsystemTextureResources, 0);
snapshot.Backend = BackendType::DirectVulkan;
AdoptSnapshot(snapshot);
const Uint64 firstGeneration = CapsMirrorInstance().Generation();
EXPECT_FALSE(CapsMirrorInstance().ServerConsumes(kMGPipeSubsystemResources));
EXPECT_TRUE(emits(kMGPipeSubsystemTextureResources));
EXPECT_FALSE(emits(kMGPipeSubsystemFramebuffer));
// The former shared buffer-consumer gate cannot distinguish these two
// snapshots: both withhold bit 7. The production per-family gate must.
snapshot.Caps.CallMask = MGCapsConsumerBits(kMGPipeSubsystemFramebuffer);
AdoptSnapshot(snapshot);
EXPECT_GT(CapsMirrorInstance().Generation(), firstGeneration);
EXPECT_FALSE(CapsMirrorInstance().ServerConsumes(kMGPipeSubsystemResources));
EXPECT_FALSE(emits(kMGPipeSubsystemTextureResources));
EXPECT_TRUE(emits(kMGPipeSubsystemFramebuffer));
snapshot.Caps.CallMask = MGCapsConsumerBits(kMGPipeSubsystemTextureResources);
AdoptSnapshot(snapshot);
EXPECT_TRUE(emits(kMGPipeSubsystemTextureResources));
EXPECT_FALSE(emits(kMGPipeSubsystemFramebuffer));
// SuppliedFieldMask's object rows remain BARRIER_PULLED until the final
// ownership retirement. They cannot honestly expose a mask change yet;
// this checks the actual emitter gate, not a synthetic memo-only answer.
std::fflush(nullptr);
::_exit(::testing::Test::HasFailure() ? 1 : 0);
});
ASSERT_GE(result.Status, 0) << "fork/waitpid failed";
ASSERT_TRUE(WIFEXITED(result.Status)) << DescribeStatus(result) << result.Log;
EXPECT_EQ(WEXITSTATUS(result.Status), 0) << result.Log;
#else
GTEST_SKIP() << "process-global consumer isolation requires fork";
#endif
}
TEST(CapsMirrorTest, TheConsumerBlockDoesNotCollideWithTheFeatureBits) {
// The two halves of CallMask, asserted against each other rather than against a constant:
// bits 0..8 are MGPCapBit and bits 32..47 are the consumer mask, and the whole reason R-8