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[MG_Test] (Disaggregated): P5f fe - expose capture snapshot loss across make-current

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swung0x48
2026-09-19 22:12:36 -04:00
parent db9f95576e
commit 81d20554aa
1 changed files with 34 additions and 0 deletions
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MobileGL/MG_Test/Pipe/FieldOwnershipTest.cpp
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@@ -935,6 +935,40 @@ TEST_F(FieldOwnershipTest, SplitOpenSpansAreOwnedByTheApplierAndSurviveOtherBind
MGPipeServerClearVerbBoundary();
}
TEST_F(FieldOwnershipTest, SplitCaptureSnapshotSurvivesMakeCurrentUntilObjectRelease) {
RoleSplitArm guard;
guard.Arm(true);
auto& state = MGPipeApplier();
state.StreamOutputSpans.clear();
MGPStreamOutputBegin begin{};
begin.LifetimeId = 0x100000002ull;
begin.CaptureProgram = {7, 2};
begin.Targets[3] = {{9, 3}, 16, 64};
state.StreamOutputSpans[begin.LifetimeId] = begin;
state.BoundStreamOutputLifetimeId = begin.LifetimeId;
// Make-current resets binding state, not a live object's open capture. The
// returning context emits context values again, but never repeats Begin.
MGPipeApplierReset();
MGPContextValues returning{};
returning.BoundTransformFeedbackLifetimeId = begin.LifetimeId;
returning.IsTransformFeedbackActive = 1;
MGPipeApplySetContextValues(returning);
EXPECT_EQ(state.BoundStreamOutputLifetimeId, begin.LifetimeId);
EXPECT_TRUE(gPipeInputs.HasOpenTransformFeedbackSpan(begin.LifetimeId));
const auto found = state.StreamOutputSpans.find(begin.LifetimeId);
EXPECT_NE(found, state.StreamOutputSpans.end());
if (found != state.StreamOutputSpans.end()) {
EXPECT_EQ(found->second.CaptureProgram, begin.CaptureProgram);
EXPECT_EQ(found->second.Targets[3].Res, begin.Targets[3].Res);
EXPECT_EQ(found->second.Targets[3].Offset, 16u);
EXPECT_EQ(found->second.Targets[3].Size, 64u);
}
MGPipeApplierReleaseObjectRecords();
EXPECT_FALSE(gPipeInputs.HasOpenTransformFeedbackSpan(begin.LifetimeId));
EXPECT_EQ(state.BoundStreamOutputLifetimeId, 0u);
}
TEST_F(FieldOwnershipTest, RoleSplitOffFoldsTheFillSideOntoTheSharedBlock) {
EXPECT_FALSE(MGPipeRoleSplitActive());
EXPECT_EQ(&MGPipeClientInputs(), &gPipeInputs);