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MacroHLE: Add HLE replacement for base vertex and base instance.

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This commit is contained in:
Fernando Sahmkow 2022-11-09 17:58:10 +01:00
parent 93ac5a6a6d
commit aad0cbf024
22 changed files with 265 additions and 70 deletions
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45
src/shader_recompiler/ir_opt/constant_propagation_pass.cpp
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@ -7,6 +7,7 @@
#include <type_traits>
#include "common/bit_cast.h"
#include "shader_recompiler/environment.h"
#include "shader_recompiler/exception.h"
#include "shader_recompiler/frontend/ir/ir_emitter.h"
#include "shader_recompiler/frontend/ir/value.h"
@ -515,6 +516,8 @@ void FoldBitCast(IR::Inst& inst, IR::Opcode reverse) {
case IR::Attribute::PrimitiveId:
case IR::Attribute::InstanceId:
case IR::Attribute::VertexId:
case IR::Attribute::BaseVertex:
case IR::Attribute::BaseInstance:
break;
default:
return;
@ -644,7 +647,37 @@ void FoldFSwizzleAdd(IR::Block& block, IR::Inst& inst) {
}
}
void ConstantPropagation(IR::Block& block, IR::Inst& inst) {
void FoldConstBuffer(Environment& env, IR::Block& block, IR::Inst& inst) {
const IR::Value bank{inst.Arg(0)};
const IR::Value offset{inst.Arg(1)};
if (!bank.IsImmediate() || !offset.IsImmediate()) {
return;
}
const auto bank_value = bank.U32();
const auto offset_value = offset.U32();
auto replacement = env.GetReplaceConstBuffer(bank_value, offset_value);
if (!replacement) {
return;
}
const auto new_attribute = [replacement]() {
switch (*replacement) {
case ReplaceConstant::BaseInstance:
return IR::Attribute::BaseInstance;
case ReplaceConstant::BaseVertex:
return IR::Attribute::BaseVertex;
default:
throw NotImplementedException("Not implemented replacement variable {}", *replacement);
}
}();
IR::IREmitter ir{block, IR::Block::InstructionList::s_iterator_to(inst)};
if (inst.GetOpcode() == IR::Opcode::GetCbufU32) {
inst.ReplaceUsesWith(ir.GetAttributeU32(new_attribute));
} else {
inst.ReplaceUsesWith(ir.GetAttribute(new_attribute));
}
}
void ConstantPropagation(Environment& env, IR::Block& block, IR::Inst& inst) {
switch (inst.GetOpcode()) {
case IR::Opcode::GetRegister:
return FoldGetRegister(inst);
@ -789,18 +822,24 @@ void ConstantPropagation(IR::Block& block, IR::Inst& inst) {
IR::Opcode::CompositeInsertF16x4);
case IR::Opcode::FSwizzleAdd:
return FoldFSwizzleAdd(block, inst);
case IR::Opcode::GetCbufF32:
case IR::Opcode::GetCbufU32:
if (env.HasHLEMacroState()) {
return FoldConstBuffer(env, block, inst);
}
break;
default:
break;
}
}
} // Anonymous namespace
void ConstantPropagationPass(IR::Program& program) {
void ConstantPropagationPass(Environment& env, IR::Program& program) {
const auto end{program.post_order_blocks.rend()};
for (auto it = program.post_order_blocks.rbegin(); it != end; ++it) {
IR::Block* const block{*it};
for (IR::Inst& inst : block->Instructions()) {
ConstantPropagation(*block, inst);
ConstantPropagation(env, *block, inst);
}
}
}