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[Fix] (MG_Backend/DirectGLES, MG_Test/Backend): re-arm seeds per link

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- a failed armed build disables the seeds for that link only; a relink arms again
- a refusal applies to the link it was built for, so a relink's first draw expects seeds
- a relink without integer inputs drops the arming
- the program twin is looked up only for a plan that needs seeds
- the seed state resets after the unlinked-program return, not before it
This commit is contained in:
swung0x48
2026-10-19 04:00:54 -04:00
parent d1293354d1
commit 3d2e259080
4 changed files with 78 additions and 14 deletions
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MobileGL/MG_Backend/DirectGLES/NarrowIntegerSeeds.cpp
+19 -5
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@@ -24,6 +24,13 @@ namespace MobileGL::MG_Backend::DirectGLES {
return slot != nullptr ? slot->get() : nullptr;
}
// Whether the program's build for `record`'s link refused the seeds; a link not built yet
// is presumed to take them.
Bool SeedsRefused(MG_Pipe::MGPipeHandle program, const MG_Pipe::MGPipeShaderCsoRecord& record) {
auto* twin = ExistingProgramTwin(program);
return twin != nullptr && twin->NarrowIntegerSeeds().RefusedAt(record.Serial);
}
String UniformDeclaration(const char* name) {
return String("uniform highp uint ") + name + ";";
}
@@ -70,18 +77,25 @@ namespace MobileGL::MG_Backend::DirectGLES {
if (attrib.Enabled && attrib.IsInteger && !attrib.IsLong)
data.Note(location, static_cast<DataType>(attrib.Type));
}
auto* twin = ExistingProgramTwin(program);
return ResolveIntegerAttributePlan(inputs, data, twin == nullptr || !twin->NarrowIntegerSeeds().Refused());
// The twin is looked up only for a plan that needs seeds; most integer draws need none.
const IntegerAttributePlan plan = ResolveIntegerAttributePlan(inputs, data, true);
return plan.NeedsSeeds() && SeedsRefused(program, *record) ? plan.WithoutSeeds() : plan;
}
Bool DropRefusedNarrowIntegerSeeds(IntegerAttributePlan& plan, MG_Pipe::MGPipeHandle program) {
if (!plan.NeedsSeeds()) return false;
auto* twin = ExistingProgramTwin(program);
if (twin == nullptr || !twin->NarrowIntegerSeeds().Refused()) return false;
const MG_Pipe::MGPipeShaderCsoRecord* const record = PipeShaderCsoRecordForHandle(program);
if (record == nullptr || !SeedsRefused(program, *record)) return false;
plan = plan.WithoutSeeds();
return true;
}
void PrepareNarrowIntegerSeedBuild(NarrowIntegerSeedState& state, const MG_Pipe::MGPipeShaderCsoRecord& record) {
const IntegerVertexInputMasks inputs = IntegerVertexInputsOf(record);
state.PrepareBuild(record.Serial, (inputs.signedInputs | inputs.unsignedInputs) != 0,
record.Archive && !record.Archive->Link.xfbVaryings.empty());
}
void PushNarrowIntegerWidthsForDraw(const IntegerAttributePlan& plan, MG_Pipe::MGPipeHandle program) {
// Only the twin this draw's sync stashed, and only while it is the program Use() bound: a
// uniform call with program 0, or on another program, is an error or a wrong write.
@@ -121,7 +135,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
void FinishNarrowIntegerSeedBuild(NarrowIntegerSeedState& state, GLuint program, Bool programUsable) {
if (!state.built) return;
if (!programUsable) {
// The seeds may be why the build failed; the next build goes without them.
// The seeds may be why the build failed; the next build of this link goes without them.
state.disabled = true;
MGLOG_E_ONCE("DirectGLES: a program built with narrow integer seeds did not link; it is rebuilt "
"without them, and its 8/16-bit integer attributes keep the driver's own value");