eden-emu/eden
14
3
Fork 4
Code Issues 3 Pull requests 4 Projects Releases 2 Packages Wiki Activity Actions

Implement convert legacy to generic

Browse source
This commit is contained in:
Feng Chen 2021-11-19 15:32:53 +08:00 • committed by vonchenplus
parent 0bc46fedd6
commit 4dd85f86a8
6 changed files with 108 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

95
src/shader_recompiler/frontend/maxwell/translate_program.cpp
View file

@ -5,6 +5,7 @@
#include <algorithm>
#include <memory>
#include <vector>
#include <queue>
#include "common/settings.h"
#include "shader_recompiler/exception.h"
@ -226,4 +227,98 @@ IR::Program MergeDualVertexPrograms(IR::Program& vertex_a, IR::Program& vertex_b
return result;
}
bool IsLegacyAttribute(IR::Attribute attribute) {
return (attribute >= IR::Attribute::ColorFrontDiffuseR &&
attribute <= IR::Attribute::ColorBackSpecularA) ||
attribute == IR::Attribute::FogCoordinate ||
(attribute >= IR::Attribute::FixedFncTexture0S &&
attribute <= IR::Attribute::FixedFncTexture9Q);
}
std::map<IR::Attribute, IR::Attribute> GenerateLegacyToGenericMappings(
const VaryingState& state, std::queue<IR::Attribute> ununsed_generics) {
std::map<IR::Attribute, IR::Attribute> mapping;
for (size_t index = 0; index < 4; ++index) {
auto attr = IR::Attribute::ColorFrontDiffuseR + index * 4;
if (state.AnyComponent(attr)) {
for (size_t i = 0; i < 4; ++i) {
mapping.insert({attr + i, ununsed_generics.front() + i});
}
ununsed_generics.pop();
}
}
if (state[IR::Attribute::FogCoordinate]) {
mapping.insert({IR::Attribute::FogCoordinate, ununsed_generics.front()});
ununsed_generics.pop();
}
for (size_t index = 0; index < IR::NUM_FIXED_FNC_TEXTURES; ++index) {
auto attr = IR::Attribute::FixedFncTexture0S + index * 4;
if (state.AnyComponent(attr)) {
for (size_t i = 0; i < 4; ++i) {
mapping.insert({attr + i, ununsed_generics.front() + i});
}
ununsed_generics.pop();
}
}
return mapping;
}
void ConvertLegacyToGeneric(IR::Program& program, const Shader::RuntimeInfo& runtime_info) {
auto& stores = program.info.stores;
if (stores.Legacy()) {
std::queue<IR::Attribute> ununsed_output_generics{};
for (size_t index = 0; index < IR::NUM_GENERICS; ++index) {
if (!stores.Generic(index)) {
ununsed_output_generics.push(IR::Attribute::Generic0X + index * 4);
}
}
auto mappings = GenerateLegacyToGenericMappings(stores, ununsed_output_generics);
for (IR::Block* const block : program.post_order_blocks) {
for (IR::Inst& inst : block->Instructions()) {
switch (inst.GetOpcode()) {
case IR::Opcode::SetAttribute: {
const auto attr = inst.Arg(0).Attribute();
if (IsLegacyAttribute(attr)) {
stores.Set(mappings[attr], true);
inst.SetArg(0, Shader::IR::Value(mappings[attr]));
}
break;
}
default:
break;
}
}
}
}
auto& loads = program.info.loads;
if (loads.Legacy()) {
std::queue<IR::Attribute> ununsed_input_generics{};
for (size_t index = 0; index < IR::NUM_GENERICS; ++index) {
const AttributeType input_type{runtime_info.generic_input_types[index]};
if (!runtime_info.previous_stage_stores.Generic(index) || !loads.Generic(index) ||
input_type == AttributeType::Disabled) {
ununsed_input_generics.push(IR::Attribute::Generic0X + index * 4);
}
}
auto mappings = GenerateLegacyToGenericMappings(loads, ununsed_input_generics);
for (IR::Block* const block : program.post_order_blocks) {
for (IR::Inst& inst : block->Instructions()) {
switch (inst.GetOpcode()) {
case IR::Opcode::GetAttribute: {
const auto attr = inst.Arg(0).Attribute();
if (IsLegacyAttribute(attr)) {
loads.Set(mappings[attr], true);
inst.SetArg(0, Shader::IR::Value(mappings[attr]));
}
break;
}
default:
break;
}
}
}
}
}
} // namespace Shader::Maxwell