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Add support for OpGroupNonUniform{All,Any,AllEqual,Ballot}, and fix OpGroupNonUniformShuffleXor.

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These Vulkan 1.1 operations can be used in place of
`OpSubgroup{All,Any,AllEqual,Ballot}KHR`, among other things.

For `OpGroupNonUniformShuffleXor`, which was already implemented, turns
out the scope argument needs to be encoded not as an immediate, but as
an id that points to a constant integer.
This commit is contained in:
comex 2020-11-26 14:39:27 -05:00 committed by Rodrigo Locatti
parent c095705f59
commit ab567491e1
2 changed files with 44 additions and 2 deletions
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24
include/sirit/sirit.h
View file

@ -1017,7 +1017,29 @@ public:
/// Return the value of the invocation identified by the current invocation's id within the
/// group xor'ed with mask.
Id OpGroupNonUniformShuffleXor(Id result_type, spv::Scope scope, Id value, Id mask);
Id OpGroupNonUniformShuffleXor(Id result_type, Id scope, Id value, Id mask);
/// Evaluates a predicate for all active invocations in the group, resulting in
/// true if predicate evaluates to true for all active invocations in the
/// group, otherwise the result is false.
Id OpGroupNonUniformAll(Id result_type, Id scope, Id predicate);
/// Evaluates a predicate for all active invocations in the group,
/// resulting in true if predicate evaluates to true for any active
/// invocation in the group, otherwise the result is false.
Id OpGroupNonUniformAny(Id result_type, Id scope, Id predicate);
/// Evaluates a value for all active invocations in the group. The result
/// is true if Value is equal for all active invocations in the group.
/// Otherwise, the result is false.
Id OpGroupNonUniformAllEqual(Id result_type, Id scope, Id value);
/// Result is a bitfield value combining the Predicate value from all
/// invocations in the group that execute the same dynamic instance of this
/// instruction. The bit is set to one if the corresponding invocation is
/// active and the Predicate for that invocation evaluated to true;
/// otherwise, it is set to zero.
Id OpGroupNonUniformBallot(Id result_type, Id scope, Id predicate);
// Atomic

22
src/instructions/group.cpp
View file

@ -36,10 +36,30 @@ Id Module::OpSubgroupAllEqualKHR(Id result_type, Id predicate) {
return *code << OpId{spv::Op::OpSubgroupAllEqualKHR, result_type} << predicate << EndOp{};
}
Id Module::OpGroupNonUniformShuffleXor(Id result_type, spv::Scope scope, Id value, Id mask) {
Id Module::OpGroupNonUniformShuffleXor(Id result_type, Id scope, Id value, Id mask) {
code->Reserve(6);
return *code << OpId{spv::Op::OpGroupNonUniformShuffleXor, result_type} << scope << value
<< mask << EndOp{};
}
Id Module::OpGroupNonUniformAll(Id result_type, Id scope, Id predicate) {
code->Reserve(5);
return *code << OpId{spv::Op::OpGroupNonUniformAll, result_type} << scope << predicate << EndOp{};
}
Id Module::OpGroupNonUniformAny(Id result_type, Id scope, Id predicate) {
code->Reserve(5);
return *code << OpId{spv::Op::OpGroupNonUniformAny, result_type} << scope << predicate << EndOp{};
}
Id Module::OpGroupNonUniformAllEqual(Id result_type, Id scope, Id value) {
code->Reserve(5);
return *code << OpId{spv::Op::OpGroupNonUniformAllEqual, result_type} << scope << value << EndOp{};
}
Id Module::OpGroupNonUniformBallot(Id result_type, Id scope, Id predicate) {
code->Reserve(5);
return *code << OpId{spv::Op::OpGroupNonUniformBallot, result_type} << scope << predicate << EndOp{};
}
} // namespace Sirit