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-rw-r--r--src/shader_recompiler/frontend/maxwell/translate_program.cpp47
1 files changed, 28 insertions, 19 deletions
diff --git a/src/shader_recompiler/frontend/maxwell/translate_program.cpp b/src/shader_recompiler/frontend/maxwell/translate_program.cpp
index 77efb4f57..b58741d4d 100644
--- a/src/shader_recompiler/frontend/maxwell/translate_program.cpp
+++ b/src/shader_recompiler/frontend/maxwell/translate_program.cpp
@@ -137,28 +137,35 @@ bool IsLegacyAttribute(IR::Attribute attribute) {
}
std::map<IR::Attribute, IR::Attribute> GenerateLegacyToGenericMappings(
- const VaryingState& state, std::queue<IR::Attribute> ununsed_generics) {
+ const VaryingState& state, std::queue<IR::Attribute> unused_generics,
+ const std::map<IR::Attribute, IR::Attribute>& previous_stage_mapping) {
std::map<IR::Attribute, IR::Attribute> mapping;
+ auto update_mapping = [&mapping, &unused_generics, previous_stage_mapping](IR::Attribute attr,
+ size_t count) {
+ if (previous_stage_mapping.find(attr) != previous_stage_mapping.end()) {
+ for (size_t i = 0; i < count; ++i) {
+ mapping.insert({attr + i, previous_stage_mapping.at(attr + i)});
+ }
+ } else {
+ for (size_t i = 0; i < count; ++i) {
+ mapping.insert({attr + i, unused_generics.front() + i});
+ }
+ unused_generics.pop();
+ }
+ };
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();
+ update_mapping(attr, 4);
}
}
if (state[IR::Attribute::FogCoordinate]) {
- mapping.insert({IR::Attribute::FogCoordinate, ununsed_generics.front()});
- ununsed_generics.pop();
+ update_mapping(IR::Attribute::FogCoordinate, 1);
}
for (size_t index = 0; index < IR::NUM_FIXEDFNCTEXTURE; ++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();
+ update_mapping(attr, 4);
}
}
return mapping;
@@ -265,21 +272,22 @@ IR::Program MergeDualVertexPrograms(IR::Program& vertex_a, IR::Program& vertex_b
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{};
+ std::queue<IR::Attribute> unused_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);
+ unused_output_generics.push(IR::Attribute::Generic0X + index * 4);
}
}
- auto mappings = GenerateLegacyToGenericMappings(stores, ununsed_output_generics);
+ program.info.legacy_stores_mapping =
+ GenerateLegacyToGenericMappings(stores, unused_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]));
+ stores.Set(program.info.legacy_stores_mapping[attr], true);
+ inst.SetArg(0, Shader::IR::Value(program.info.legacy_stores_mapping[attr]));
}
break;
}
@@ -292,15 +300,16 @@ void ConvertLegacyToGeneric(IR::Program& program, const Shader::RuntimeInfo& run
auto& loads = program.info.loads;
if (loads.Legacy()) {
- std::queue<IR::Attribute> ununsed_input_generics{};
+ std::queue<IR::Attribute> unused_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);
+ unused_input_generics.push(IR::Attribute::Generic0X + index * 4);
}
}
- auto mappings = GenerateLegacyToGenericMappings(loads, ununsed_input_generics);
+ auto mappings = GenerateLegacyToGenericMappings(
+ loads, unused_input_generics, runtime_info.previous_stage_legacy_stores_mapping);
for (IR::Block* const block : program.post_order_blocks) {
for (IR::Inst& inst : block->Instructions()) {
switch (inst.GetOpcode()) {