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shader: initialize EXEC from requested dispatch thread extents

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Co-authored-by: TheCruZ <thecruzwtf@gmail.com>
Co-authored-by: Mac <me@itsmemac.com>
This commit is contained in:
nmzik
2026-10-04 01:15:39 +04:00
parent f58014ff0e
commit e4aca7a60b
9 changed files with 147 additions and 12 deletions
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src/graphics/shader/recompiler/frontend/translate/Translate.cpp
+10
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@@ -1104,6 +1104,16 @@ IR::Program TranslateProgram(const Decoder::Program& decoded, const CFG::Graph&
IR::U32(IR::Value(total_threads)));
}
}
if (options.stage == ShaderType::Compute &&
options.input_info.compute->dispatch_thread_dimensions) {
for (uint32_t axis = 0; axis < 3u; axis++) {
const auto extent = IR::U32(entry_ir.Emit(
IR::ValueOpcode::GetDispatchThreadExtent, {IR::Value(axis)}));
initial_exec = entry_ir.LogicalAnd(
initial_exec,
entry_ir.ULessThan(builtin(IR::StageInputKind::GlobalInvocationId, axis), extent));
}
}
entry_ir.SetExec(initial_exec);
const auto initial_mask = entry_ir.Emit(IR::ValueOpcode::Ballot, {initial_exec});
entry_ir.SetExecLo(entry_ir.CompositeExtract(initial_mask, 0));