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shader: Add shader loop safety check settings 

Also add a setting for enable Nsight Aftermath.
This commit is contained in:
lat9nq 2021-07-08 17:22:31 -04:00 committed by ameerj
parent 487057b8d2
commit 373f75d944
16 changed files with 183 additions and 35 deletions
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3
src/common/settings.h
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@ -308,6 +308,9 @@ struct Values {
// Renderer
Setting<RendererBackend> renderer_backend{RendererBackend::OpenGL, "backend"};
BasicSetting<bool> renderer_debug{false, "debug"};
BasicSetting<bool> enable_nsight_aftermath{false, "nsight_aftermath"};
BasicSetting<bool> disable_shader_loop_safety_checks{false,
"disable_shader_loop_safety_checks"};
Setting<int> vulkan_device{0, "vulkan_device"};
Setting<u16> resolution_factor{1, "resolution_factor"};

2
src/shader_recompiler/backend/glasm/emit_glasm_instructions.h
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@ -42,6 +42,8 @@ void EmitSetGotoVariable(EmitContext& ctx);
void EmitGetGotoVariable(EmitContext& ctx);
void EmitSetIndirectBranchVariable(EmitContext& ctx);
void EmitGetIndirectBranchVariable(EmitContext& ctx);
void EmitSetLoopSafetyVariable(EmitContext& ctx);
void EmitGetLoopSafetyVariable(EmitContext& ctx);
void EmitGetCbufU8(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, ScalarU32 offset);
void EmitGetCbufS8(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, ScalarU32 offset);
void EmitGetCbufU16(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, ScalarU32 offset);

8
src/shader_recompiler/backend/glasm/emit_glasm_not_implemented.cpp
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@ -153,6 +153,14 @@ void EmitGetIndirectBranchVariable(EmitContext& ctx) {
NotImplemented();
}
void EmitSetLoopSafetyVariable(EmitContext& ctx) {
NotImplemented();
}
void EmitGetLoopSafetyVariable(EmitContext& ctx) {
NotImplemented();
}
void EmitGetZFlag(EmitContext& ctx) {
NotImplemented();
}

24
src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp
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@ -163,35 +163,43 @@ Id GetCbufElement(EmitContext& ctx, Id vector, const IR::Value& offset, u32 inde
} // Anonymous namespace
void EmitGetRegister(EmitContext&) {
throw NotImplementedException("SPIR-V Instruction");
throw LogicError("Unreachable instruction");
}
void EmitSetRegister(EmitContext&) {
throw NotImplementedException("SPIR-V Instruction");
throw LogicError("Unreachable instruction");
}
void EmitGetPred(EmitContext&) {
throw NotImplementedException("SPIR-V Instruction");
throw LogicError("Unreachable instruction");
}
void EmitSetPred(EmitContext&) {
throw NotImplementedException("SPIR-V Instruction");
throw LogicError("Unreachable instruction");
}
void EmitSetGotoVariable(EmitContext&) {
throw NotImplementedException("SPIR-V Instruction");
throw LogicError("Unreachable instruction");
}
void EmitGetGotoVariable(EmitContext&) {
throw NotImplementedException("SPIR-V Instruction");
throw LogicError("Unreachable instruction");
}
void EmitSetIndirectBranchVariable(EmitContext&) {
throw NotImplementedException("SPIR-V Instruction");
throw LogicError("Unreachable instruction");
}
void EmitGetIndirectBranchVariable(EmitContext&) {
throw NotImplementedException("SPIR-V Instruction");
throw LogicError("Unreachable instruction");
}
void EmitSetLoopSafetyVariable(EmitContext&) {
throw LogicError("Unreachable instruction");
}
void EmitGetLoopSafetyVariable(EmitContext&) {
throw LogicError("Unreachable instruction");
}
Id EmitGetCbufU8(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) {

2
src/shader_recompiler/backend/spirv/emit_spirv_instructions.h
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@ -43,6 +43,8 @@ void EmitSetGotoVariable(EmitContext& ctx);
void EmitGetGotoVariable(EmitContext& ctx);
void EmitSetIndirectBranchVariable(EmitContext& ctx);
void EmitGetIndirectBranchVariable(EmitContext& ctx);
void EmitSetLoopSafetyVariable(EmitContext& ctx);
void EmitGetLoopSafetyVariable(EmitContext& ctx);
Id EmitGetCbufU8(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset);
Id EmitGetCbufS8(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset);
Id EmitGetCbufU16(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset);

14
src/shader_recompiler/frontend/ir/ir_emitter.cpp
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@ -125,6 +125,12 @@ U1 IREmitter::GetPred(IR::Pred pred, bool is_negated) {
}
}
void IREmitter::SetPred(IR::Pred pred, const U1& value) {
if (pred != IR::Pred::PT) {
Inst(Opcode::SetPred, pred, value);
}
}
U1 IREmitter::GetGotoVariable(u32 id) {
return Inst<U1>(Opcode::GetGotoVariable, id);
}
@ -141,8 +147,12 @@ void IREmitter::SetIndirectBranchVariable(const U32& value) {
Inst(Opcode::SetIndirectBranchVariable, value);
}
void IREmitter::SetPred(IR::Pred pred, const U1& value) {
Inst(Opcode::SetPred, pred, value);
U32 IREmitter::GetLoopSafetyVariable(u32 id) {
return Inst<U32>(Opcode::GetLoopSafetyVariable, id);
}
void IREmitter::SetLoopSafetyVariable(u32 id, const U32& counter) {
Inst(Opcode::SetLoopSafetyVariable, id, counter);
}
U32 IREmitter::GetCbuf(const U32& binding, const U32& byte_offset) {

3
src/shader_recompiler/frontend/ir/ir_emitter.h
View File

@ -55,6 +55,9 @@ public:
[[nodiscard]] U32 GetIndirectBranchVariable();
void SetIndirectBranchVariable(const U32& value);
[[nodiscard]] U32 GetLoopSafetyVariable(u32 id);
void SetLoopSafetyVariable(u32 id, const U32& counter);
[[nodiscard]] U32 GetCbuf(const U32& binding, const U32& byte_offset);
[[nodiscard]] Value GetCbuf(const U32& binding, const U32& byte_offset, size_t bitsize,
bool is_signed);

2
src/shader_recompiler/frontend/ir/opcodes.inc
View File

@ -32,6 +32,8 @@ OPCODE(GetGotoVariable, U1, U32,
OPCODE(SetGotoVariable, Void, U32, U1, )
OPCODE(GetIndirectBranchVariable, U32, )
OPCODE(SetIndirectBranchVariable, Void, U32, )
OPCODE(GetLoopSafetyVariable, U32, U32, )
OPCODE(SetLoopSafetyVariable, Void, U32, U32, )
OPCODE(GetCbufU8, U32, U32, U32, )
OPCODE(GetCbufS8, U32, U32, U32, )
OPCODE(GetCbufU16, U32, U32, U32, )

38
src/shader_recompiler/frontend/maxwell/structured_control_flow.cpp
View File

@ -9,11 +9,13 @@
#include <unordered_map>
#include <utility>
#include <vector>
#include <version>
#include <fmt/format.h>
#include <boost/intrusive/list.hpp>
#include "common/settings.h"
#include "shader_recompiler/environment.h"
#include "shader_recompiler/frontend/ir/basic_block.h"
#include "shader_recompiler/frontend/ir/ir_emitter.h"
@ -739,9 +741,26 @@ private:
}
case StatementType::Loop: {
IR::Block* const loop_header_block{block_pool.Create(inst_pool)};
const u32 this_loop_id{loop_id++};
if (Settings::values.disable_shader_loop_safety_checks) {
if (current_block) {
current_block->AddBranch(loop_header_block);
}
} else {
IR::Block* const init_block{block_pool.Create(inst_pool)};
IR::IREmitter ir{*init_block};
ir.SetLoopSafetyVariable(this_loop_id, ir.Imm32(0x2000));
if (current_block) {
current_block->AddBranch(init_block);
}
init_block->AddBranch(loop_header_block);
auto& init_node{syntax_list.emplace_back()};
init_node.type = IR::AbstractSyntaxNode::Type::Block;
init_node.data.block = init_block;
}
auto& header_node{syntax_list.emplace_back()};
header_node.type = IR::AbstractSyntaxNode::Type::Block;
header_node.data.block = loop_header_block;
@ -758,7 +777,16 @@ private:
// The continue block is located at the end of the loop
IR::IREmitter ir{*continue_block};
const IR::U1 cond{ir.ConditionRef(VisitExpr(ir, *stmt.cond))};
IR::U1 cond{VisitExpr(ir, *stmt.cond)};
if (!Settings::values.disable_shader_loop_safety_checks) {
const IR::U32 old_counter{ir.GetLoopSafetyVariable(this_loop_id)};
const IR::U32 new_counter{ir.ISub(old_counter, ir.Imm32(1))};
ir.SetLoopSafetyVariable(this_loop_id, new_counter);
const IR::U1 safety_cond{ir.INotEqual(new_counter, ir.Imm32(0))};
cond = ir.LogicalAnd(cond, safety_cond);
}
cond = ir.ConditionRef(cond);
IR::Block* const body_block{syntax_list.at(body_block_index).data.block};
loop_header_block->AddBranch(body_block);
@ -863,8 +891,14 @@ private:
ObjectPool<IR::Block>& block_pool;
Environment& env;
IR::AbstractSyntaxList& syntax_list;
// TODO: Make this constexpr when std::vector is constexpr
u32 loop_id{};
// TODO: C++20 Remove this when all compilers support constexpr std::vector
#if __cpp_lib_constexpr_vector >= 201907
static constexpr Flow::Block dummy_flow_block;
#else
const Flow::Block dummy_flow_block;
#endif
};
} // Anonymous namespace

66
src/shader_recompiler/ir_opt/ssa_rewrite_pass.cpp
View File

@ -48,73 +48,91 @@ struct GotoVariable : FlagTag {
u32 index;
};
struct LoopSafetyVariable {
LoopSafetyVariable() = default;
explicit LoopSafetyVariable(u32 index_) : index{index_} {}
auto operator<=>(const LoopSafetyVariable&) const noexcept = default;
u32 index;
};
struct IndirectBranchVariable {
auto operator<=>(const IndirectBranchVariable&) const noexcept = default;
};
using Variant = std::variant<IR::Reg, IR::Pred, ZeroFlagTag, SignFlagTag, CarryFlagTag,
OverflowFlagTag, GotoVariable, IndirectBranchVariable>;
using ValueMap = boost::container::flat_map<IR::Block*, IR::Value, std::less<IR::Block*>>;
using Variant =
std::variant<IR::Reg, IR::Pred, ZeroFlagTag, SignFlagTag, CarryFlagTag, OverflowFlagTag,
GotoVariable, LoopSafetyVariable, IndirectBranchVariable>;
using ValueMap = boost::container::flat_map<IR::Block*, IR::Value>;
struct DefTable {
const IR::Value& Def(IR::Block* block, IR::Reg variable) noexcept {
const IR::Value& Def(IR::Block* block, IR::Reg variable) {
return block->SsaRegValue(variable);
}
void SetDef(IR::Block* block, IR::Reg variable, const IR::Value& value) noexcept {
void SetDef(IR::Block* block, IR::Reg variable, const IR::Value& value) {
block->SetSsaRegValue(variable, value);
}
const IR::Value& Def(IR::Block* block, IR::Pred variable) noexcept {
const IR::Value& Def(IR::Block* block, IR::Pred variable) {
return preds[IR::PredIndex(variable)][block];
}
void SetDef(IR::Block* block, IR::Pred variable, const IR::Value& value) noexcept {
void SetDef(IR::Block* block, IR::Pred variable, const IR::Value& value) {
preds[IR::PredIndex(variable)].insert_or_assign(block, value);
}
const IR::Value& Def(IR::Block* block, GotoVariable variable) noexcept {
const IR::Value& Def(IR::Block* block, GotoVariable variable) {
return goto_vars[variable.index][block];
}
void SetDef(IR::Block* block, GotoVariable variable, const IR::Value& value) noexcept {
void SetDef(IR::Block* block, GotoVariable variable, const IR::Value& value) {
goto_vars[variable.index].insert_or_assign(block, value);
}
const IR::Value& Def(IR::Block* block, IndirectBranchVariable) noexcept {
const IR::Value& Def(IR::Block* block, LoopSafetyVariable variable) {
return loop_safety_vars[variable.index][block];
}
void SetDef(IR::Block* block, LoopSafetyVariable variable, const IR::Value& value) {
loop_safety_vars[variable.index].insert_or_assign(block, value);
}
const IR::Value& Def(IR::Block* block, IndirectBranchVariable) {
return indirect_branch_var[block];
}
void SetDef(IR::Block* block, IndirectBranchVariable, const IR::Value& value) noexcept {
void SetDef(IR::Block* block, IndirectBranchVariable, const IR::Value& value) {
indirect_branch_var.insert_or_assign(block, value);
}
const IR::Value& Def(IR::Block* block, ZeroFlagTag) noexcept {
const IR::Value& Def(IR::Block* block, ZeroFlagTag) {
return zero_flag[block];
}
void SetDef(IR::Block* block, ZeroFlagTag, const IR::Value& value) noexcept {
void SetDef(IR::Block* block, ZeroFlagTag, const IR::Value& value) {
zero_flag.insert_or_assign(block, value);
}
const IR::Value& Def(IR::Block* block, SignFlagTag) noexcept {
const IR::Value& Def(IR::Block* block, SignFlagTag) {
return sign_flag[block];
}
void SetDef(IR::Block* block, SignFlagTag, const IR::Value& value) noexcept {
void SetDef(IR::Block* block, SignFlagTag, const IR::Value& value) {
sign_flag.insert_or_assign(block, value);
}
const IR::Value& Def(IR::Block* block, CarryFlagTag) noexcept {
const IR::Value& Def(IR::Block* block, CarryFlagTag) {
return carry_flag[block];
}
void SetDef(IR::Block* block, CarryFlagTag, const IR::Value& value) noexcept {
void SetDef(IR::Block* block, CarryFlagTag, const IR::Value& value) {
carry_flag.insert_or_assign(block, value);
}
const IR::Value& Def(IR::Block* block, OverflowFlagTag) noexcept {
const IR::Value& Def(IR::Block* block, OverflowFlagTag) {
return overflow_flag[block];
}
void SetDef(IR::Block* block, OverflowFlagTag, const IR::Value& value) noexcept {
void SetDef(IR::Block* block, OverflowFlagTag, const IR::Value& value) {
overflow_flag.insert_or_assign(block, value);
}
std::array<ValueMap, IR::NUM_USER_PREDS> preds;
boost::container::flat_map<u32, ValueMap> goto_vars;
boost::container::flat_map<u32, ValueMap> loop_safety_vars;
ValueMap indirect_branch_var;
ValueMap zero_flag;
ValueMap sign_flag;
@ -134,6 +152,10 @@ IR::Opcode UndefOpcode(const FlagTag&) noexcept {
return IR::Opcode::UndefU1;
}
IR::Opcode UndefOpcode(const LoopSafetyVariable&) noexcept {
return IR::Opcode::UndefU32;
}
IR::Opcode UndefOpcode(IndirectBranchVariable) noexcept {
return IR::Opcode::UndefU32;
}
@ -315,6 +337,9 @@ void VisitInst(Pass& pass, IR::Block* block, IR::Inst& inst) {
case IR::Opcode::SetGotoVariable:
pass.WriteVariable(GotoVariable{inst.Arg(0).U32()}, block, inst.Arg(1));
break;
case IR::Opcode::SetLoopSafetyVariable:
pass.WriteVariable(LoopSafetyVariable{inst.Arg(0).U32()}, block, inst.Arg(0));
break;
case IR::Opcode::SetIndirectBranchVariable:
pass.WriteVariable(IndirectBranchVariable{}, block, inst.Arg(0));
break;
@ -343,6 +368,9 @@ void VisitInst(Pass& pass, IR::Block* block, IR::Inst& inst) {
case IR::Opcode::GetGotoVariable:
inst.ReplaceUsesWith(pass.ReadVariable(GotoVariable{inst.Arg(0).U32()}, block));
break;
case IR::Opcode::GetLoopSafetyVariable:
inst.ReplaceUsesWith(pass.ReadVariable(LoopSafetyVariable{inst.Arg(0).U32()}, block));
break;
case IR::Opcode::GetIndirectBranchVariable:
inst.ReplaceUsesWith(pass.ReadVariable(IndirectBranchVariable{}, block));
break;

4
src/video_core/vulkan_common/vulkan_device.cpp
View File

@ -467,7 +467,7 @@ Device::Device(VkInstance instance_, vk::PhysicalDevice physical_, VkSurfaceKHR
}
VkDeviceDiagnosticsConfigCreateInfoNV diagnostics_nv;
if (nv_device_diagnostics_config) {
if (Settings::values.enable_nsight_aftermath && nv_device_diagnostics_config) {
nsight_aftermath_tracker = std::make_unique<NsightAftermathTracker>();
diagnostics_nv = {
@ -781,7 +781,7 @@ std::vector<const char*> Device::LoadExtensions(bool requires_surface) {
test(has_ext_shader_atomic_int64, VK_KHR_SHADER_ATOMIC_INT64_EXTENSION_NAME, false);
test(has_khr_workgroup_memory_explicit_layout,
VK_KHR_WORKGROUP_MEMORY_EXPLICIT_LAYOUT_EXTENSION_NAME, false);
if (Settings::values.renderer_debug) {
if (Settings::values.enable_nsight_aftermath) {
test(nv_device_diagnostics_config, VK_NV_DEVICE_DIAGNOSTICS_CONFIG_EXTENSION_NAME,
true);
}

4
src/yuzu/configuration/config.cpp
View File

@ -824,6 +824,8 @@ void Config::ReadRendererValues() {
if (global) {
ReadBasicSetting(Settings::values.renderer_debug);
ReadBasicSetting(Settings::values.enable_nsight_aftermath);
ReadBasicSetting(Settings::values.disable_shader_loop_safety_checks);
}
qt_config->endGroup();
@ -1353,6 +1355,8 @@ void Config::SaveRendererValues() {
if (global) {
WriteBasicSetting(Settings::values.renderer_debug);
WriteBasicSetting(Settings::values.enable_nsight_aftermath);
WriteBasicSetting(Settings::values.disable_shader_loop_safety_checks);
}
qt_config->endGroup();

8
src/yuzu/configuration/configure_debug.cpp
View File

@ -45,8 +45,13 @@ void ConfigureDebug::SetConfiguration() {
ui->enable_graphics_debugging->setChecked(Settings::values.renderer_debug.GetValue());
ui->enable_cpu_debugging->setEnabled(runtime_lock);
ui->enable_cpu_debugging->setChecked(Settings::values.cpu_debug_mode.GetValue());
ui->enable_nsight_aftermath->setEnabled(runtime_lock);
ui->enable_nsight_aftermath->setChecked(Settings::values.enable_nsight_aftermath.GetValue());
ui->disable_macro_jit->setEnabled(runtime_lock);
ui->disable_macro_jit->setChecked(Settings::values.disable_macro_jit.GetValue());
ui->disable_loop_safety_checks->setEnabled(runtime_lock);
ui->disable_loop_safety_checks->setChecked(
Settings::values.disable_shader_loop_safety_checks.GetValue());
ui->extended_logging->setChecked(Settings::values.extended_logging.GetValue());
}
@ -61,6 +66,9 @@ void ConfigureDebug::ApplyConfiguration() {
Settings::values.use_auto_stub = ui->use_auto_stub->isChecked();
Settings::values.renderer_debug = ui->enable_graphics_debugging->isChecked();
Settings::values.cpu_debug_mode = ui->enable_cpu_debugging->isChecked();
Settings::values.enable_nsight_aftermath = ui->enable_nsight_aftermath->isChecked();
Settings::values.disable_shader_loop_safety_checks =
ui->disable_loop_safety_checks->isChecked();
Settings::values.disable_macro_jit = ui->disable_macro_jit->isChecked();
Settings::values.extended_logging = ui->extended_logging->isChecked();
Debugger::ToggleConsole();

26
src/yuzu/configuration/configure_debug.ui
View File

@ -125,6 +125,16 @@
</property>
</widget>
</item>
<item>
<widget class="QCheckBox" name="enable_nsight_aftermath">
<property name="toolTip">
<string>When checked, it enables Nsight Aftermath crash dumps</string>
</property>
<property name="text">
<string>Enable Nsight Aftermath</string>
</property>
</widget>
</item>
<item>
<widget class="QCheckBox" name="disable_macro_jit">
<property name="enabled">
@ -138,6 +148,16 @@
</property>
</widget>
</item>
<item>
<widget class="QCheckBox" name="disable_loop_safety_checks">
<property name="toolTip">
<string>When checked, it executes shaders without loop logic changes</string>
</property>
<property name="text">
<string>Disable Loop safety checks</string>
</property>
</widget>
</item>
</layout>
</widget>
</item>
@ -252,11 +272,17 @@
<tabstops>
<tabstop>log_filter_edit</tabstop>
<tabstop>toggle_console</tabstop>
<tabstop>extended_logging</tabstop>
<tabstop>open_log_button</tabstop>
<tabstop>homebrew_args_edit</tabstop>
<tabstop>enable_graphics_debugging</tabstop>
<tabstop>enable_nsight_aftermath</tabstop>
<tabstop>disable_macro_jit</tabstop>
<tabstop>disable_loop_safety_checks</tabstop>
<tabstop>reporting_services</tabstop>
<tabstop>quest_flag</tabstop>
<tabstop>use_debug_asserts</tabstop>
<tabstop>use_auto_stub</tabstop>
</tabstops>
<resources/>
<connections/>

2
src/yuzu_cmd/config.cpp
View File

@ -444,6 +444,8 @@ void Config::ReadValues() {
// Renderer
ReadSetting("Renderer", Settings::values.renderer_backend);
ReadSetting("Renderer", Settings::values.renderer_debug);
ReadSetting("Renderer", Settings::values.enable_nsight_aftermath);
ReadSetting("Renderer", Settings::values.disable_shader_loop_safety_checks);
ReadSetting("Renderer", Settings::values.vulkan_device);
ReadSetting("Renderer", Settings::values.fullscreen_mode);

8
src/yuzu_cmd/default_ini.h
View File

@ -221,6 +221,14 @@ backend =
# 0 (default): Disabled, 1: Enabled
debug =
# Enable Nsight Aftermath crash dumps
# 0 (default): Disabled, 1: Enabled
nsight_aftermath =
# Disable shader loop safety checks, executing the shader without loop logic changes
# 0 (default): Disabled, 1: Enabled
disable_shader_loop_safety_checks =
# Which Vulkan physical device to use (defaults to 0)
vulkan_device =