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Merge pull request #3742 from FernandoS27/command-list

Optimize GPU Command Lists and Introduce Fast GPU Time Option
This commit is contained in:
bunnei 2020-04-27 00:18:46 -04:00 committed by GitHub
commit 6c7d8073be
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GPG Key ID: 4AEE18F83AFDEB23
20 changed files with 214 additions and 14 deletions

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@ -446,6 +446,7 @@ struct Values {
bool use_asynchronous_gpu_emulation;
bool use_vsync;
bool force_30fps_mode;
bool use_fast_gpu_time;
float bg_red;
float bg_green;

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@ -71,16 +71,22 @@ bool DmaPusher::Step() {
gpu.MemoryManager().ReadBlockUnsafe(dma_get, command_headers.data(),
command_list_header.size * sizeof(u32));
for (const CommandHeader& command_header : command_headers) {
for (std::size_t index = 0; index < command_headers.size();) {
const CommandHeader& command_header = command_headers[index];
// now, see if we're in the middle of a command
if (dma_state.length_pending) {
// Second word of long non-inc methods command - method count
dma_state.length_pending = 0;
dma_state.method_count = command_header.method_count_;
} else if (dma_state.method_count) {
if (dma_state.method_count) {
// Data word of methods command
if (dma_state.non_incrementing) {
const u32 max_write = static_cast<u32>(
std::min<std::size_t>(index + dma_state.method_count, command_headers.size()) -
index);
CallMultiMethod(&command_header.argument, max_write);
dma_state.method_count -= max_write;
index += max_write;
continue;
} else {
CallMethod(command_header.argument);
}
if (!dma_state.non_incrementing) {
dma_state.method++;
@ -120,6 +126,7 @@ bool DmaPusher::Step() {
break;
}
}
index++;
}
if (!non_main) {
@ -140,4 +147,9 @@ void DmaPusher::CallMethod(u32 argument) const {
gpu.CallMethod({dma_state.method, argument, dma_state.subchannel, dma_state.method_count});
}
void DmaPusher::CallMultiMethod(const u32* base_start, u32 num_methods) const {
gpu.CallMultiMethod(dma_state.method, dma_state.subchannel, base_start, num_methods,
dma_state.method_count);
}
} // namespace Tegra

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@ -75,6 +75,7 @@ private:
void SetState(const CommandHeader& command_header);
void CallMethod(u32 argument) const;
void CallMultiMethod(const u32* base_start, u32 num_methods) const;
std::vector<CommandHeader> command_headers; ///< Buffer for list of commands fetched at once

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@ -28,6 +28,12 @@ void Fermi2D::CallMethod(const GPU::MethodCall& method_call) {
}
}
void Fermi2D::CallMultiMethod(u32 method, const u32* base_start, u32 amount, u32 methods_pending) {
for (std::size_t i = 0; i < amount; i++) {
CallMethod({method, base_start[i], 0, methods_pending - static_cast<u32>(i)});
}
}
static std::pair<u32, u32> DelimitLine(u32 src_1, u32 src_2, u32 dst_1, u32 dst_2, u32 src_line) {
const u32 line_a = src_2 - src_1;
const u32 line_b = dst_2 - dst_1;

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@ -39,6 +39,9 @@ public:
/// Write the value to the register identified by method.
void CallMethod(const GPU::MethodCall& method_call);
/// Write multiple values to the register identified by method.
void CallMultiMethod(u32 method, const u32* base_start, u32 amount, u32 methods_pending);
enum class Origin : u32 {
Center = 0,
Corner = 1,

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@ -51,6 +51,13 @@ void KeplerCompute::CallMethod(const GPU::MethodCall& method_call) {
}
}
void KeplerCompute::CallMultiMethod(u32 method, const u32* base_start, u32 amount,
u32 methods_pending) {
for (std::size_t i = 0; i < amount; i++) {
CallMethod({method, base_start[i], 0, methods_pending - static_cast<u32>(i)});
}
}
Texture::FullTextureInfo KeplerCompute::GetTexture(std::size_t offset) const {
const std::bitset<8> cbuf_mask = launch_description.const_buffer_enable_mask.Value();
ASSERT(cbuf_mask[regs.tex_cb_index]);

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@ -202,6 +202,9 @@ public:
/// Write the value to the register identified by method.
void CallMethod(const GPU::MethodCall& method_call);
/// Write multiple values to the register identified by method.
void CallMultiMethod(u32 method, const u32* base_start, u32 amount, u32 methods_pending);
Texture::FullTextureInfo GetTexture(std::size_t offset) const;
/// Given a texture handle, returns the TSC and TIC entries.

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@ -41,4 +41,11 @@ void KeplerMemory::CallMethod(const GPU::MethodCall& method_call) {
}
}
void KeplerMemory::CallMultiMethod(u32 method, const u32* base_start, u32 amount,
u32 methods_pending) {
for (std::size_t i = 0; i < amount; i++) {
CallMethod({method, base_start[i], 0, methods_pending - static_cast<u32>(i)});
}
}
} // namespace Tegra::Engines

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@ -40,6 +40,9 @@ public:
/// Write the value to the register identified by method.
void CallMethod(const GPU::MethodCall& method_call);
/// Write multiple values to the register identified by method.
void CallMultiMethod(u32 method, const u32* base_start, u32 amount, u32 methods_pending);
struct Regs {
static constexpr size_t NUM_REGS = 0x7F;

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@ -280,6 +280,58 @@ void Maxwell3D::CallMethod(const GPU::MethodCall& method_call) {
}
}
void Maxwell3D::CallMultiMethod(u32 method, const u32* base_start, u32 amount,
u32 methods_pending) {
// Methods after 0xE00 are special, they're actually triggers for some microcode that was
// uploaded to the GPU during initialization.
if (method >= MacroRegistersStart) {
// We're trying to execute a macro
if (executing_macro == 0) {
// A macro call must begin by writing the macro method's register, not its argument.
ASSERT_MSG((method % 2) == 0,
"Can't start macro execution by writing to the ARGS register");
executing_macro = method;
}
for (std::size_t i = 0; i < amount; i++) {
macro_params.push_back(base_start[i]);
}
// Call the macro when there are no more parameters in the command buffer
if (amount == methods_pending) {
CallMacroMethod(executing_macro, macro_params.size(), macro_params.data());
macro_params.clear();
}
return;
}
switch (method) {
case MAXWELL3D_REG_INDEX(const_buffer.cb_data[0]):
case MAXWELL3D_REG_INDEX(const_buffer.cb_data[1]):
case MAXWELL3D_REG_INDEX(const_buffer.cb_data[2]):
case MAXWELL3D_REG_INDEX(const_buffer.cb_data[3]):
case MAXWELL3D_REG_INDEX(const_buffer.cb_data[4]):
case MAXWELL3D_REG_INDEX(const_buffer.cb_data[5]):
case MAXWELL3D_REG_INDEX(const_buffer.cb_data[6]):
case MAXWELL3D_REG_INDEX(const_buffer.cb_data[7]):
case MAXWELL3D_REG_INDEX(const_buffer.cb_data[8]):
case MAXWELL3D_REG_INDEX(const_buffer.cb_data[9]):
case MAXWELL3D_REG_INDEX(const_buffer.cb_data[10]):
case MAXWELL3D_REG_INDEX(const_buffer.cb_data[11]):
case MAXWELL3D_REG_INDEX(const_buffer.cb_data[12]):
case MAXWELL3D_REG_INDEX(const_buffer.cb_data[13]):
case MAXWELL3D_REG_INDEX(const_buffer.cb_data[14]):
case MAXWELL3D_REG_INDEX(const_buffer.cb_data[15]): {
ProcessCBMultiData(method, base_start, amount);
break;
}
default: {
for (std::size_t i = 0; i < amount; i++) {
CallMethod({method, base_start[i], 0, methods_pending - static_cast<u32>(i)});
}
}
}
}
void Maxwell3D::StepInstance(const MMEDrawMode expected_mode, const u32 count) {
if (mme_draw.current_mode == MMEDrawMode::Undefined) {
if (mme_draw.gl_begin_consume) {
@ -570,6 +622,28 @@ void Maxwell3D::StartCBData(u32 method) {
ProcessCBData(regs.const_buffer.cb_data[cb_data_state.id]);
}
void Maxwell3D::ProcessCBMultiData(u32 method, const u32* start_base, u32 amount) {
if (cb_data_state.current != method) {
if (cb_data_state.current != null_cb_data) {
FinishCBData();
}
constexpr u32 first_cb_data = MAXWELL3D_REG_INDEX(const_buffer.cb_data[0]);
cb_data_state.start_pos = regs.const_buffer.cb_pos;
cb_data_state.id = method - first_cb_data;
cb_data_state.current = method;
cb_data_state.counter = 0;
}
const std::size_t id = cb_data_state.id;
const std::size_t size = amount;
std::size_t i = 0;
for (; i < size; i++) {
cb_data_state.buffer[id][cb_data_state.counter] = start_base[i];
cb_data_state.counter++;
}
// Increment the current buffer position.
regs.const_buffer.cb_pos = regs.const_buffer.cb_pos + 4 * amount;
}
void Maxwell3D::FinishCBData() {
// Write the input value to the current const buffer at the current position.
const GPUVAddr buffer_address = regs.const_buffer.BufferAddress();

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@ -1359,6 +1359,9 @@ public:
/// Write the value to the register identified by method.
void CallMethod(const GPU::MethodCall& method_call);
/// Write multiple values to the register identified by method.
void CallMultiMethod(u32 method, const u32* base_start, u32 amount, u32 methods_pending);
/// Write the value to the register identified by method.
void CallMethodFromMME(const GPU::MethodCall& method_call);
@ -1512,6 +1515,7 @@ private:
/// Handles a write to the CB_DATA[i] register.
void StartCBData(u32 method);
void ProcessCBData(u32 value);
void ProcessCBMultiData(u32 method, const u32* start_base, u32 amount);
void FinishCBData();
/// Handles a write to the CB_BIND register.

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@ -36,6 +36,13 @@ void MaxwellDMA::CallMethod(const GPU::MethodCall& method_call) {
#undef MAXWELLDMA_REG_INDEX
}
void MaxwellDMA::CallMultiMethod(u32 method, const u32* base_start, u32 amount,
u32 methods_pending) {
for (std::size_t i = 0; i < amount; i++) {
CallMethod({method, base_start[i], 0, methods_pending - static_cast<u32>(i)});
}
}
void MaxwellDMA::HandleCopy() {
LOG_TRACE(HW_GPU, "Requested a DMA copy");

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@ -35,6 +35,9 @@ public:
/// Write the value to the register identified by method.
void CallMethod(const GPU::MethodCall& method_call);
/// Write multiple values to the register identified by method.
void CallMultiMethod(u32 method, const u32* base_start, u32 amount, u32 methods_pending);
struct Regs {
static constexpr std::size_t NUM_REGS = 0x1D6;

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@ -9,6 +9,7 @@
#include "core/core_timing_util.h"
#include "core/frontend/emu_window.h"
#include "core/memory.h"
#include "core/settings.h"
#include "video_core/engines/fermi_2d.h"
#include "video_core/engines/kepler_compute.h"
#include "video_core/engines/kepler_memory.h"
@ -154,7 +155,10 @@ u64 GPU::GetTicks() const {
constexpr u64 gpu_ticks_den = 625;
const u64 cpu_ticks = system.CoreTiming().GetTicks();
const u64 nanoseconds = Core::Timing::CyclesToNs(cpu_ticks).count();
u64 nanoseconds = Core::Timing::CyclesToNs(cpu_ticks).count();
if (Settings::values.use_fast_gpu_time) {
nanoseconds /= 256;
}
const u64 nanoseconds_num = nanoseconds / gpu_ticks_den;
const u64 nanoseconds_rem = nanoseconds % gpu_ticks_den;
return nanoseconds_num * gpu_ticks_num + (nanoseconds_rem * gpu_ticks_num) / gpu_ticks_den;
@ -209,16 +213,32 @@ void GPU::CallMethod(const MethodCall& method_call) {
ASSERT(method_call.subchannel < bound_engines.size());
if (ExecuteMethodOnEngine(method_call)) {
if (ExecuteMethodOnEngine(method_call.method)) {
CallEngineMethod(method_call);
} else {
CallPullerMethod(method_call);
}
}
bool GPU::ExecuteMethodOnEngine(const MethodCall& method_call) {
const auto method = static_cast<BufferMethods>(method_call.method);
return method >= BufferMethods::NonPullerMethods;
void GPU::CallMultiMethod(u32 method, u32 subchannel, const u32* base_start, u32 amount,
u32 methods_pending) {
LOG_TRACE(HW_GPU, "Processing method {:08X} on subchannel {}", method, subchannel);
ASSERT(subchannel < bound_engines.size());
if (ExecuteMethodOnEngine(method)) {
CallEngineMultiMethod(method, subchannel, base_start, amount, methods_pending);
} else {
for (std::size_t i = 0; i < amount; i++) {
CallPullerMethod(
{method, base_start[i], subchannel, methods_pending - static_cast<u32>(i)});
}
}
}
bool GPU::ExecuteMethodOnEngine(u32 method) {
const auto buffer_method = static_cast<BufferMethods>(method);
return buffer_method >= BufferMethods::NonPullerMethods;
}
void GPU::CallPullerMethod(const MethodCall& method_call) {
@ -298,6 +318,31 @@ void GPU::CallEngineMethod(const MethodCall& method_call) {
}
}
void GPU::CallEngineMultiMethod(u32 method, u32 subchannel, const u32* base_start, u32 amount,
u32 methods_pending) {
const EngineID engine = bound_engines[subchannel];
switch (engine) {
case EngineID::FERMI_TWOD_A:
fermi_2d->CallMultiMethod(method, base_start, amount, methods_pending);
break;
case EngineID::MAXWELL_B:
maxwell_3d->CallMultiMethod(method, base_start, amount, methods_pending);
break;
case EngineID::KEPLER_COMPUTE_B:
kepler_compute->CallMultiMethod(method, base_start, amount, methods_pending);
break;
case EngineID::MAXWELL_DMA_COPY_A:
maxwell_dma->CallMultiMethod(method, base_start, amount, methods_pending);
break;
case EngineID::KEPLER_INLINE_TO_MEMORY_B:
kepler_memory->CallMultiMethod(method, base_start, amount, methods_pending);
break;
default:
UNIMPLEMENTED_MSG("Unimplemented engine");
}
}
void GPU::ProcessBindMethod(const MethodCall& method_call) {
// Bind the current subchannel to the desired engine id.
LOG_DEBUG(HW_GPU, "Binding subchannel {} to engine {}", method_call.subchannel,

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@ -155,6 +155,10 @@ public:
/// Calls a GPU method.
void CallMethod(const MethodCall& method_call);
/// Calls a GPU multivalue method.
void CallMultiMethod(u32 method, u32 subchannel, const u32* base_start, u32 amount,
u32 methods_pending);
/// Flush all current written commands into the host GPU for execution.
void FlushCommands();
/// Synchronizes CPU writes with Host GPU memory.
@ -309,8 +313,12 @@ private:
/// Calls a GPU engine method.
void CallEngineMethod(const MethodCall& method_call);
/// Calls a GPU engine multivalue method.
void CallEngineMultiMethod(u32 method, u32 subchannel, const u32* base_start, u32 amount,
u32 methods_pending);
/// Determines where the method should be executed.
bool ExecuteMethodOnEngine(const MethodCall& method_call);
bool ExecuteMethodOnEngine(u32 method);
protected:
std::unique_ptr<Tegra::DmaPusher> dma_pusher;

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@ -643,6 +643,8 @@ void Config::ReadRendererValues() {
Settings::values.use_asynchronous_gpu_emulation =
ReadSetting(QStringLiteral("use_asynchronous_gpu_emulation"), false).toBool();
Settings::values.use_vsync = ReadSetting(QStringLiteral("use_vsync"), true).toBool();
Settings::values.use_fast_gpu_time =
ReadSetting(QStringLiteral("use_fast_gpu_time"), true).toBool();
Settings::values.force_30fps_mode =
ReadSetting(QStringLiteral("force_30fps_mode"), false).toBool();
@ -1084,6 +1086,7 @@ void Config::SaveRendererValues() {
WriteSetting(QStringLiteral("use_asynchronous_gpu_emulation"),
Settings::values.use_asynchronous_gpu_emulation, false);
WriteSetting(QStringLiteral("use_vsync"), Settings::values.use_vsync, true);
WriteSetting(QStringLiteral("use_fast_gpu_time"), Settings::values.use_fast_gpu_time, true);
WriteSetting(QStringLiteral("force_30fps_mode"), Settings::values.force_30fps_mode, false);
// Cast to double because Qt's written float values are not human-readable

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@ -22,6 +22,7 @@ void ConfigureGraphicsAdvanced::SetConfiguration() {
ui->gpu_accuracy->setCurrentIndex(static_cast<int>(Settings::values.gpu_accuracy));
ui->use_vsync->setEnabled(runtime_lock);
ui->use_vsync->setChecked(Settings::values.use_vsync);
ui->use_fast_gpu_time->setChecked(Settings::values.use_fast_gpu_time);
ui->force_30fps_mode->setEnabled(runtime_lock);
ui->force_30fps_mode->setChecked(Settings::values.force_30fps_mode);
ui->anisotropic_filtering_combobox->setEnabled(runtime_lock);
@ -32,6 +33,7 @@ void ConfigureGraphicsAdvanced::ApplyConfiguration() {
auto gpu_accuracy = static_cast<Settings::GPUAccuracy>(ui->gpu_accuracy->currentIndex());
Settings::values.gpu_accuracy = gpu_accuracy;
Settings::values.use_vsync = ui->use_vsync->isChecked();
Settings::values.use_fast_gpu_time = ui->use_fast_gpu_time->isChecked();
Settings::values.force_30fps_mode = ui->force_30fps_mode->isChecked();
Settings::values.max_anisotropy = ui->anisotropic_filtering_combobox->currentIndex();
}

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@ -69,6 +69,13 @@
</property>
</widget>
</item>
<item>
<widget class="QCheckBox" name="use_fast_gpu_time">
<property name="text">
<string>Use Fast GPU Time</string>
</property>
</widget>
</item>
<item>
<layout class="QHBoxLayout" name="horizontalLayout_1">
<item>

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@ -394,6 +394,8 @@ void Config::ReadValues() {
sdl2_config->GetBoolean("Renderer", "use_asynchronous_gpu_emulation", false);
Settings::values.use_vsync =
static_cast<u16>(sdl2_config->GetInteger("Renderer", "use_vsync", 1));
Settings::values.use_fast_gpu_time =
sdl2_config->GetBoolean("Renderer", "use_fast_gpu_time", true);
Settings::values.bg_red = static_cast<float>(sdl2_config->GetReal("Renderer", "bg_red", 0.0));
Settings::values.bg_green =

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@ -130,6 +130,8 @@ void Config::ReadValues() {
Settings::values.gpu_accuracy = static_cast<Settings::GPUAccuracy>(gpu_accuracy_level);
Settings::values.use_asynchronous_gpu_emulation =
sdl2_config->GetBoolean("Renderer", "use_asynchronous_gpu_emulation", false);
Settings::values.use_fast_gpu_time =
sdl2_config->GetBoolean("Renderer", "use_fast_gpu_time", true);
Settings::values.bg_red = static_cast<float>(sdl2_config->GetReal("Renderer", "bg_red", 0.0));
Settings::values.bg_green =