From ab463712474de5f99eec137a9c6233e55fe184f0 Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Mon, 8 Mar 2021 18:31:53 -0300
Subject: shader: Initial support for textures and TEX
---
.../frontend/ir/microinstruction.cpp | 73 ++++++++++++++--------
1 file changed, 48 insertions(+), 25 deletions(-)
(limited to 'src/shader_recompiler/frontend/ir/microinstruction.cpp')
diff --git a/src/shader_recompiler/frontend/ir/microinstruction.cpp b/src/shader_recompiler/frontend/ir/microinstruction.cpp
index d6a9be87d5..88e186f215 100644
--- a/src/shader_recompiler/frontend/ir/microinstruction.cpp
+++ b/src/shader_recompiler/frontend/ir/microinstruction.cpp
@@ -10,26 +10,27 @@
#include "shader_recompiler/frontend/ir/type.h"
namespace Shader::IR {
-
-static void CheckPseudoInstruction(IR::Inst* inst, IR::Opcode opcode) {
+namespace {
+void CheckPseudoInstruction(IR::Inst* inst, IR::Opcode opcode) {
if (inst && inst->Opcode() != opcode) {
throw LogicError("Invalid pseudo-instruction");
}
}
-static void SetPseudoInstruction(IR::Inst*& dest_inst, IR::Inst* pseudo_inst) {
+void SetPseudoInstruction(IR::Inst*& dest_inst, IR::Inst* pseudo_inst) {
if (dest_inst) {
throw LogicError("Only one of each type of pseudo-op allowed");
}
dest_inst = pseudo_inst;
}
-static void RemovePseudoInstruction(IR::Inst*& inst, IR::Opcode expected_opcode) {
+void RemovePseudoInstruction(IR::Inst*& inst, IR::Opcode expected_opcode) {
if (inst->Opcode() != expected_opcode) {
throw LogicError("Undoing use of invalid pseudo-op");
}
inst = nullptr;
}
+} // Anonymous namespace
Inst::Inst(IR::Opcode op_, u32 flags_) noexcept : op{op_}, flags{flags_} {
if (op == Opcode::Phi) {
@@ -82,6 +83,7 @@ bool Inst::IsPseudoInstruction() const noexcept {
case Opcode::GetSignFromOp:
case Opcode::GetCarryFromOp:
case Opcode::GetOverflowFromOp:
+ case Opcode::GetSparseFromOp:
return true;
default:
return false;
@@ -96,25 +98,26 @@ bool Inst::AreAllArgsImmediates() const {
[](const IR::Value& value) { return value.IsImmediate(); });
}
-bool Inst::HasAssociatedPseudoOperation() const noexcept {
- return zero_inst || sign_inst || carry_inst || overflow_inst;
-}
-
Inst* Inst::GetAssociatedPseudoOperation(IR::Opcode opcode) {
- // This is faster than doing a search through the block.
+ if (!associated_insts) {
+ return nullptr;
+ }
switch (opcode) {
case Opcode::GetZeroFromOp:
- CheckPseudoInstruction(zero_inst, Opcode::GetZeroFromOp);
- return zero_inst;
+ CheckPseudoInstruction(associated_insts->zero_inst, Opcode::GetZeroFromOp);
+ return associated_insts->zero_inst;
case Opcode::GetSignFromOp:
- CheckPseudoInstruction(sign_inst, Opcode::GetSignFromOp);
- return sign_inst;
+ CheckPseudoInstruction(associated_insts->sign_inst, Opcode::GetSignFromOp);
+ return associated_insts->sign_inst;
case Opcode::GetCarryFromOp:
- CheckPseudoInstruction(carry_inst, Opcode::GetCarryFromOp);
- return carry_inst;
+ CheckPseudoInstruction(associated_insts->carry_inst, Opcode::GetCarryFromOp);
+ return associated_insts->carry_inst;
case Opcode::GetOverflowFromOp:
- CheckPseudoInstruction(overflow_inst, Opcode::GetOverflowFromOp);
- return overflow_inst;
+ CheckPseudoInstruction(associated_insts->overflow_inst, Opcode::GetOverflowFromOp);
+ return associated_insts->overflow_inst;
+ case Opcode::GetSparseFromOp:
+ CheckPseudoInstruction(associated_insts->sparse_inst, Opcode::GetSparseFromOp);
+ return associated_insts->sparse_inst;
default:
throw InvalidArgument("{} is not a pseudo-instruction", opcode);
}
@@ -220,22 +223,37 @@ void Inst::ReplaceOpcode(IR::Opcode opcode) {
op = opcode;
}
+void AllocAssociatedInsts(std::unique_ptr<AssociatedInsts>& associated_insts) {
+ if (!associated_insts) {
+ associated_insts = std::make_unique<AssociatedInsts>();
+ }
+}
+
void Inst::Use(const Value& value) {
Inst* const inst{value.Inst()};
++inst->use_count;
+ std::unique_ptr<AssociatedInsts>& assoc_inst{inst->associated_insts};
switch (op) {
case Opcode::GetZeroFromOp:
- SetPseudoInstruction(inst->zero_inst, this);
+ AllocAssociatedInsts(assoc_inst);
+ SetPseudoInstruction(assoc_inst->zero_inst, this);
break;
case Opcode::GetSignFromOp:
- SetPseudoInstruction(inst->sign_inst, this);
+ AllocAssociatedInsts(assoc_inst);
+ SetPseudoInstruction(assoc_inst->sign_inst, this);
break;
case Opcode::GetCarryFromOp:
- SetPseudoInstruction(inst->carry_inst, this);
+ AllocAssociatedInsts(assoc_inst);
+ SetPseudoInstruction(assoc_inst->carry_inst, this);
break;
case Opcode::GetOverflowFromOp:
- SetPseudoInstruction(inst->overflow_inst, this);
+ AllocAssociatedInsts(assoc_inst);
+ SetPseudoInstruction(assoc_inst->overflow_inst, this);
+ break;
+ case Opcode::GetSparseFromOp:
+ AllocAssociatedInsts(assoc_inst);
+ SetPseudoInstruction(assoc_inst->sparse_inst, this);
break;
default:
break;
@@ -246,18 +264,23 @@ void Inst::UndoUse(const Value& value) {
Inst* const inst{value.Inst()};
--inst->use_count;
+ std::unique_ptr<AssociatedInsts>& assoc_inst{inst->associated_insts};
switch (op) {
case Opcode::GetZeroFromOp:
- RemovePseudoInstruction(inst->zero_inst, Opcode::GetZeroFromOp);
+ AllocAssociatedInsts(assoc_inst);
+ RemovePseudoInstruction(assoc_inst->zero_inst, Opcode::GetZeroFromOp);
break;
case Opcode::GetSignFromOp:
- RemovePseudoInstruction(inst->sign_inst, Opcode::GetSignFromOp);
+ AllocAssociatedInsts(assoc_inst);
+ RemovePseudoInstruction(assoc_inst->sign_inst, Opcode::GetSignFromOp);
break;
case Opcode::GetCarryFromOp:
- RemovePseudoInstruction(inst->carry_inst, Opcode::GetCarryFromOp);
+ AllocAssociatedInsts(assoc_inst);
+ RemovePseudoInstruction(assoc_inst->carry_inst, Opcode::GetCarryFromOp);
break;
case Opcode::GetOverflowFromOp:
- RemovePseudoInstruction(inst->overflow_inst, Opcode::GetOverflowFromOp);
+ AllocAssociatedInsts(assoc_inst);
+ RemovePseudoInstruction(assoc_inst->overflow_inst, Opcode::GetOverflowFromOp);
break;
default:
break;
--
cgit v1.2.3-70-g09d2