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shader: Implement BRX

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This commit is contained in:
FernandoS27 2021-03-27 22:30:24 +01:00 • committed by ameerj
parent 39a379632e
commit 34aba9627a
21 changed files with 437 additions and 48 deletions
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12
src/shader_recompiler/frontend/ir/ir_emitter.cpp
View file

@ -87,6 +87,10 @@ void IREmitter::Return() {
Inst(Opcode::Return);
}
void IREmitter::Unreachable() {
Inst(Opcode::Unreachable);
}
void IREmitter::DemoteToHelperInvocation(Block* continue_label) {
block->SetBranch(continue_label);
continue_label->AddImmediatePredecessor(block);
@ -126,6 +130,14 @@ void IREmitter::SetGotoVariable(u32 id, const U1& value) {
Inst(Opcode::SetGotoVariable, id, value);
}
U32 IREmitter::GetIndirectBranchVariable() {
return Inst<U32>(Opcode::GetIndirectBranchVariable);
}
void IREmitter::SetIndirectBranchVariable(const U32& value) {
Inst(Opcode::SetIndirectBranchVariable, value);
}
void IREmitter::SetPred(IR::Pred pred, const U1& value) {
Inst(Opcode::SetPred, pred, value);
}

4
src/shader_recompiler/frontend/ir/ir_emitter.h
View file

@ -37,6 +37,7 @@ public:
void LoopMerge(Block* merge_block, Block* continue_target);
void SelectionMerge(Block* merge_block);
void Return();
void Unreachable();
void DemoteToHelperInvocation(Block* continue_label);
void Prologue();
@ -51,6 +52,9 @@ public:
[[nodiscard]] U1 GetGotoVariable(u32 id);
void SetGotoVariable(u32 id, const U1& value);
[[nodiscard]] U32 GetIndirectBranchVariable();
void SetIndirectBranchVariable(const U32& value);
[[nodiscard]] U32 GetCbuf(const U32& binding, const U32& byte_offset);
[[nodiscard]] UAny GetCbuf(const U32& binding, const U32& byte_offset, size_t bitsize,
bool is_signed);

1
src/shader_recompiler/frontend/ir/microinstruction.cpp
View file

@ -55,6 +55,7 @@ bool Inst::MayHaveSideEffects() const noexcept {
case Opcode::LoopMerge:
case Opcode::SelectionMerge:
case Opcode::Return:
case Opcode::Unreachable:
case Opcode::DemoteToHelperInvocation:
case Opcode::Prologue:
case Opcode::Epilogue:

3
src/shader_recompiler/frontend/ir/opcodes.inc
View file

@ -13,6 +13,7 @@ OPCODE(BranchConditional, Void, U1,
OPCODE(LoopMerge, Void, Label, Label, )
OPCODE(SelectionMerge, Void, Label, )
OPCODE(Return, Void, )
OPCODE(Unreachable, Void, )
OPCODE(DemoteToHelperInvocation, Void, Label, )
// Special operations
@ -26,6 +27,8 @@ OPCODE(GetPred, U1, Pred
OPCODE(SetPred, Void, Pred, U1, )
OPCODE(GetGotoVariable, U1, U32, )
OPCODE(SetGotoVariable, Void, U32, U1, )
OPCODE(GetIndirectBranchVariable, U32, )
OPCODE(SetIndirectBranchVariable, Void, U32, )
OPCODE(GetCbufU8, U32, U32, U32, )
OPCODE(GetCbufS8, U32, U32, U32, )
OPCODE(GetCbufU16, U32, U32, U32, )