GPU: Add Fast GPU Time Option.

This commit is contained in:
Fernando Sahmkow 2020-04-20 13:20:52 -04:00
parent 18a88d19dc
commit b8aef40c56
7 changed files with 21 additions and 1 deletions

View file

@ -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;

View file

@ -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;

View file

@ -644,6 +644,7 @@ 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();
@ -1085,6 +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

View file

@ -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();
}

View file

@ -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>

View file

@ -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 =

View file

@ -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 =