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Implement convert legacy to generic

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
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2
src/shader_recompiler/frontend/ir/attribute.h
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@ -224,6 +224,8 @@ enum class Attribute : u64 {
constexpr size_t NUM_GENERICS = 32;
constexpr size_t NUM_FIXED_FNC_TEXTURES = 10;
[[nodiscard]] bool IsGeneric(Attribute attribute) noexcept;
[[nodiscard]] u32 GenericAttributeIndex(Attribute attribute);

95
src/shader_recompiler/frontend/maxwell/translate_program.cpp
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@ -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

4
src/shader_recompiler/frontend/maxwell/translate_program.h
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@ -10,6 +10,7 @@
#include "shader_recompiler/frontend/maxwell/control_flow.h"
#include "shader_recompiler/host_translate_info.h"
#include "shader_recompiler/object_pool.h"
#include "shader_recompiler/runtime_info.h"
namespace Shader::Maxwell {
@ -20,4 +21,7 @@ namespace Shader::Maxwell {
[[nodiscard]] IR::Program MergeDualVertexPrograms(IR::Program& vertex_a, IR::Program& vertex_b,
Environment& env_vertex_b);
[[nodiscard]] void ConvertLegacyToGeneric(IR::Program& program,
const Shader::RuntimeInfo& runtime_info);
} // namespace Shader::Maxwell

3
src/shader_recompiler/varying_state.h
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@ -53,7 +53,8 @@ struct VaryingState {
return AnyComponent(IR::Attribute::ColorFrontDiffuseR) ||
AnyComponent(IR::Attribute::ColorFrontSpecularR) ||
AnyComponent(IR::Attribute::ColorBackDiffuseR) ||
AnyComponent(IR::Attribute::ColorBackSpecularR) || FixedFunctionTexture();
AnyComponent(IR::Attribute::ColorBackSpecularR) || FixedFunctionTexture() ||
mask[static_cast<size_t>(IR::Attribute::FogCoordinate)];
}
[[nodiscard]] bool FixedFunctionTexture() const noexcept {

3
src/video_core/renderer_opengl/gl_shader_cache.cpp
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@ -44,6 +44,7 @@ using Shader::Backend::GLSL::EmitGLSL;
using Shader::Backend::SPIRV::EmitSPIRV;
using Shader::Maxwell::MergeDualVertexPrograms;
using Shader::Maxwell::TranslateProgram;
using Shader::Maxwell::ConvertLegacyToGeneric;
using VideoCommon::ComputeEnvironment;
using VideoCommon::FileEnvironment;
using VideoCommon::GenericEnvironment;
@ -462,12 +463,14 @@ std::unique_ptr<GraphicsPipeline> ShaderCache::CreateGraphicsPipeline(
MakeRuntimeInfo(key, program, previous_program, glasm_use_storage_buffers, use_glasm)};
switch (device.GetShaderBackend()) {
case Settings::ShaderBackend::GLSL:
ConvertLegacyToGeneric(program, runtime_info);
sources[stage_index] = EmitGLSL(profile, runtime_info, program, binding);
break;
case Settings::ShaderBackend::GLASM:
sources[stage_index] = EmitGLASM(profile, runtime_info, program, binding);
break;
case Settings::ShaderBackend::SPIRV:
ConvertLegacyToGeneric(program, runtime_info);
sources_spirv[stage_index] = EmitSPIRV(profile, runtime_info, program, binding);
break;
}

2
src/video_core/renderer_vulkan/vk_pipeline_cache.cpp
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@ -50,6 +50,7 @@ namespace {
using Shader::Backend::SPIRV::EmitSPIRV;
using Shader::Maxwell::MergeDualVertexPrograms;
using Shader::Maxwell::TranslateProgram;
using Shader::Maxwell::ConvertLegacyToGeneric;
using VideoCommon::ComputeEnvironment;
using VideoCommon::FileEnvironment;
using VideoCommon::GenericEnvironment;
@ -543,6 +544,7 @@ std::unique_ptr<GraphicsPipeline> PipelineCache::CreateGraphicsPipeline(
infos[stage_index] = &program.info;
const auto runtime_info{MakeRuntimeInfo(programs, key, program, previous_stage)};
ConvertLegacyToGeneric(program, runtime_info);
const std::vector<u32> code{EmitSPIRV(profile, runtime_info, program, binding)};
device.SaveShader(code);
modules[stage_index] = BuildShader(device, code);