shader: Implement MEMBAR

This commit is contained in:
FernandoS27 2021-04-02 19:27:30 +02:00 committed by ameerj
parent ecb30c9072
commit 655f7a570a
9 changed files with 121 additions and 11 deletions

View file

@ -82,6 +82,10 @@ void IREmitter::SelectionMerge(Block* merge_block) {
Inst(Opcode::SelectionMerge, merge_block);
}
void IREmitter::MemoryBarrier(BarrierInstInfo info) {
Inst(Opcode::MemoryBarrier, Flags{info});
}
void IREmitter::Return() {
block->SetReturn();
Inst(Opcode::Return);

View file

@ -136,6 +136,8 @@ public:
[[nodiscard]] Value Select(const U1& condition, const Value& true_value,
const Value& false_value);
[[nodiscard]] void MemoryBarrier(BarrierInstInfo info);
template <typename Dest, typename Source>
[[nodiscard]] Dest BitCast(const Source& value);

View file

@ -25,6 +25,14 @@ enum class FpRounding : u8 {
RZ, // Round towards zero
};
enum class MemoryScope : u32 {
DontCare,
Warp,
Workgroup,
Device,
System
};
struct FpControl {
bool no_contraction{false};
FpRounding rounding{FpRounding::DontCare};
@ -32,6 +40,11 @@ struct FpControl {
};
static_assert(sizeof(FpControl) <= sizeof(u32));
union BarrierInstInfo {
u32 raw;
BitField<0, 3, MemoryScope> scope;
};
union TextureInstInfo {
u32 raw;
BitField<0, 8, TextureType> type;

View file

@ -16,6 +16,9 @@ OPCODE(Return, Void,
OPCODE(Unreachable, Void, )
OPCODE(DemoteToHelperInvocation, Void, Label, )
// Barriers
OPCODE(MemoryBarrier, Void, )
// Special operations
OPCODE(Prologue, Void, )
OPCODE(Epilogue, Void, )