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shader: Address feedback

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FernandoS27 2021-05-01 14:56:25 +02:00 committed by ameerj
parent b541f5e5e3
commit c49d56c931
5 changed files with 42 additions and 44 deletions
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10
src/shader_recompiler/frontend/maxwell/control_flow.cpp
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@ -209,9 +209,9 @@ CFG::CFG(Environment& env_, ObjectPool<Block>& block_pool_, Location start_addre
}
}
if (exits_to_dispatcher) {
const auto it = functions[0].blocks.rbegin();
dispatch_block->begin = it->end + 1;
dispatch_block->end = it->end + 1;
const auto last_block{functions[0].blocks.rbegin()};
dispatch_block->begin = last_block->end + 1;
dispatch_block->end = last_block->end + 1;
functions[0].blocks.insert(*dispatch_block);
}
}
@ -481,7 +481,7 @@ CFG::AnalysisState CFG::AnalyzeEXIT(Block* block, FunctionId function_id, Locati
return AnalysisState::Continue;
}
if (exits_to_dispatcher && function_id != 0) {
throw NotImplementedException("Dispatch EXIT on external function.");
throw NotImplementedException("Dispatch EXIT on external function");
}
if (pred != Predicate{true} || flow_test != IR::FlowTest::T) {
if (block->stack.Peek(Token::PEXIT).has_value()) {
@ -490,9 +490,9 @@ CFG::AnalysisState CFG::AnalyzeEXIT(Block* block, FunctionId function_id, Locati
const IR::Condition cond{flow_test, static_cast<IR::Pred>(pred.index), pred.negated};
if (exits_to_dispatcher) {
block->end = pc;
block->branch_true = dispatch_block;
block->end_class = EndClass::Branch;
block->cond = cond;
block->branch_true = dispatch_block;
block->branch_false = AddLabel(block, block->stack, pc + 1, function_id);
return AnalysisState::Branch;
}

37
src/shader_recompiler/frontend/maxwell/program.cpp
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@ -151,31 +151,30 @@ IR::Program TranslateProgram(ObjectPool<IR::Inst>& inst_pool, ObjectPool<IR::Blo
}
IR::Program MergeDualVertexPrograms(IR::Program& vertex_a, IR::Program& vertex_b,
Environment& env2) {
IR::Program program{};
Environment& env_vertex_b) {
IR::Program result{};
Optimization::VertexATransformPass(vertex_a);
Optimization::VertexBTransformPass(vertex_b);
program.blocks.swap(vertex_a.blocks);
std::swap(result.blocks, vertex_a.blocks);
for (IR::Block* block : vertex_b.blocks) {
program.blocks.push_back(block);
result.blocks.push_back(block);
}
program.stage = Stage::VertexB;
program.info = vertex_a.info;
program.local_memory_size = std::max(vertex_a.local_memory_size, vertex_b.local_memory_size);
result.stage = Stage::VertexB;
result.info = vertex_a.info;
result.local_memory_size = std::max(vertex_a.local_memory_size, vertex_b.local_memory_size);
for (size_t index = 0; index < 32; index++) {
program.info.input_generics[index].used |= vertex_b.info.input_generics[index].used;
program.info.stores_generics[index] |= vertex_b.info.stores_generics[index];
for (size_t index = 0; index < 32; ++index) {
result.info.input_generics[index].used |= vertex_b.info.input_generics[index].used;
result.info.stores_generics[index] |= vertex_b.info.stores_generics[index];
}
Optimization::JoinTextureInfo(program.info, vertex_b.info);
Optimization::JoinStorageInfo(program.info, vertex_b.info);
Optimization::DualVertexJoinPass(program);
program.post_order_blocks = PostOrder(program.blocks);
Optimization::DeadCodeEliminationPass(program);
Optimization::IdentityRemovalPass(program);
Optimization::VerificationPass(program);
Optimization::CollectShaderInfoPass(env2, program);
return program;
Optimization::JoinTextureInfo(result.info, vertex_b.info);
Optimization::JoinStorageInfo(result.info, vertex_b.info);
Optimization::DualVertexJoinPass(result);
result.post_order_blocks = PostOrder(result.blocks);
Optimization::DeadCodeEliminationPass(result);
Optimization::VerificationPass(result);
Optimization::CollectShaderInfoPass(env_vertex_b, result);
return result;
}
} // namespace Shader::Maxwell

1
src/shader_recompiler/frontend/maxwell/program.h
View File

@ -23,4 +23,5 @@ namespace Shader::Maxwell {
[[nodiscard]] IR::Program MergeDualVertexPrograms(IR::Program& vertex_a, IR::Program& vertex_b,
Environment& env_vertex_b);
} // namespace Shader::Maxwell

20
src/shader_recompiler/ir_opt/dual_vertex_pass.cpp
View File

@ -4,8 +4,6 @@
#include <algorithm>
#include <ranges>
#include <tuple>
#include <type_traits>
#include "common/bit_cast.h"
#include "common/bit_util.h"
@ -40,7 +38,7 @@ void VertexATransformPass(IR::Program& program) {
}
void VertexBTransformPass(IR::Program& program) {
for (IR::Block* const block : program.post_order_blocks | std::views::reverse) {
for (IR::Block* const block : program.blocks) {
for (IR::Inst& inst : block->Instructions()) {
if (inst.GetOpcode() == IR::Opcode::Prologue) {
return inst.Invalidate();
@ -51,24 +49,24 @@ void VertexBTransformPass(IR::Program& program) {
void DualVertexJoinPass(IR::Program& program) {
const auto& blocks = program.blocks;
s64 s = static_cast<s64>(blocks.size()) - 1;
if (s < 1) {
throw NotImplementedException("Dual Vertex Join pass failed, expected atleast 2 blocks!");
const s64 sub_size = static_cast<s64>(blocks.size()) - 1;
if (sub_size < 1) {
throw LogicError("Dual Vertex Join pass failed, expected atleast 2 blocks");
}
for (s64 index = 0; index < s; index++) {
IR::Block* const current_block = blocks[index];
IR::Block* const next_block = blocks[index + 1];
for (s64 index = 0; index < sub_size; ++index) {
IR::Block* const current_block{blocks[index]};
IR::Block* const next_block{blocks[index + 1]};
for (IR::Inst& inst : current_block->Instructions()) {
if (inst.GetOpcode() == IR::Opcode::Join) {
IR::IREmitter ir{*current_block, IR::Block::InstructionList::s_iterator_to(inst)};
ir.Branch(next_block);
inst.Invalidate();
// only 1 join should exist
// Only 1 join should exist
return;
}
}
}
throw NotImplementedException("Dual Vertex Join pass failed, no join present!");
throw LogicError("Dual Vertex Join pass failed, no join present");
}
} // namespace Shader::Optimization

18
src/video_core/renderer_vulkan/vk_pipeline_cache.cpp
View File

@ -288,32 +288,32 @@ std::unique_ptr<GraphicsPipeline> PipelineCache::CreateGraphicsPipeline(
LOG_INFO(Render_Vulkan, "0x{:016x}", key.Hash());
size_t env_index{0};
std::array<Shader::IR::Program, Maxwell::MaxShaderProgram> programs;
bool uses_vertex_a{};
std::size_t start_value_processing{};
const bool uses_vertex_a{key.unique_hashes[0] != 0};
const bool uses_vertex_b{key.unique_hashes[1] != 0};
for (size_t index = 0; index < Maxwell::MaxShaderProgram; ++index) {
if (key.unique_hashes[index] == 0) {
continue;
}
uses_vertex_a |= index == 0;
Shader::Environment& env{*envs[env_index]};
++env_index;
const u32 cfg_offset{static_cast<u32>(env.StartAddress() + sizeof(Shader::ProgramHeader))};
Shader::Maxwell::Flow::CFG cfg(env, pools.flow_block, cfg_offset, index == 0);
if (!uses_vertex_a || index != 1) {
// Normal path
programs[index] = TranslateProgram(pools.inst, pools.block, env, cfg);
continue;
} else {
// VertexB path when VertexA is present.
Shader::IR::Program& program_va{programs[0]};
Shader::IR::Program program_vb{TranslateProgram(pools.inst, pools.block, env, cfg)};
programs[index] = MergeDualVertexPrograms(program_va, program_vb, env);
}
Shader::IR::Program& program_va{programs[0]};
Shader::IR::Program program_vb{TranslateProgram(pools.inst, pools.block, env, cfg)};
programs[index] = MergeDualVertexPrograms(program_va, program_vb, env);
start_value_processing = 1;
}
std::array<const Shader::Info*, Maxwell::MaxShaderStage> infos{};
std::array<vk::ShaderModule, Maxwell::MaxShaderStage> modules;
u32 binding{0};
for (size_t index = start_value_processing; index < Maxwell::MaxShaderProgram; ++index) {
for (size_t index = uses_vertex_a && uses_vertex_b ? 1 : 0; index < Maxwell::MaxShaderProgram; ++index) {
if (key.unique_hashes[index] == 0) {
continue;
}