GPU: Add Fast GPU Time Option.
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@ -446,6 +446,7 @@ struct Values {
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bool use_asynchronous_gpu_emulation;
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bool use_vsync;
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bool force_30fps_mode;
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bool use_fast_gpu_time;
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float bg_red;
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float bg_green;
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@ -9,6 +9,7 @@
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#include "core/core_timing_util.h"
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#include "core/frontend/emu_window.h"
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#include "core/memory.h"
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#include "core/settings.h"
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#include "video_core/engines/fermi_2d.h"
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#include "video_core/engines/kepler_compute.h"
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#include "video_core/engines/kepler_memory.h"
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@ -154,7 +155,10 @@ u64 GPU::GetTicks() const {
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constexpr u64 gpu_ticks_den = 625;
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const u64 cpu_ticks = system.CoreTiming().GetTicks();
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const u64 nanoseconds = Core::Timing::CyclesToNs(cpu_ticks).count();
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u64 nanoseconds = Core::Timing::CyclesToNs(cpu_ticks).count();
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if (Settings::values.use_fast_gpu_time) {
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nanoseconds /= 256;
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}
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const u64 nanoseconds_num = nanoseconds / gpu_ticks_den;
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const u64 nanoseconds_rem = nanoseconds % gpu_ticks_den;
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return nanoseconds_num * gpu_ticks_num + (nanoseconds_rem * gpu_ticks_num) / gpu_ticks_den;
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@ -644,6 +644,7 @@ void Config::ReadRendererValues() {
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Settings::values.use_asynchronous_gpu_emulation =
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ReadSetting(QStringLiteral("use_asynchronous_gpu_emulation"), false).toBool();
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Settings::values.use_vsync = ReadSetting(QStringLiteral("use_vsync"), true).toBool();
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Settings::values.use_fast_gpu_time = ReadSetting(QStringLiteral("use_fast_gpu_time"), true).toBool();
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Settings::values.force_30fps_mode =
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ReadSetting(QStringLiteral("force_30fps_mode"), false).toBool();
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@ -1085,6 +1086,7 @@ void Config::SaveRendererValues() {
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WriteSetting(QStringLiteral("use_asynchronous_gpu_emulation"),
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Settings::values.use_asynchronous_gpu_emulation, false);
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WriteSetting(QStringLiteral("use_vsync"), Settings::values.use_vsync, true);
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WriteSetting(QStringLiteral("use_fast_gpu_time"), Settings::values.use_fast_gpu_time, true);
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WriteSetting(QStringLiteral("force_30fps_mode"), Settings::values.force_30fps_mode, false);
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// Cast to double because Qt's written float values are not human-readable
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@ -22,6 +22,7 @@ void ConfigureGraphicsAdvanced::SetConfiguration() {
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ui->gpu_accuracy->setCurrentIndex(static_cast<int>(Settings::values.gpu_accuracy));
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ui->use_vsync->setEnabled(runtime_lock);
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ui->use_vsync->setChecked(Settings::values.use_vsync);
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ui->use_fast_gpu_time->setChecked(Settings::values.use_fast_gpu_time);
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ui->force_30fps_mode->setEnabled(runtime_lock);
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ui->force_30fps_mode->setChecked(Settings::values.force_30fps_mode);
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ui->anisotropic_filtering_combobox->setEnabled(runtime_lock);
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@ -32,6 +33,7 @@ void ConfigureGraphicsAdvanced::ApplyConfiguration() {
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auto gpu_accuracy = static_cast<Settings::GPUAccuracy>(ui->gpu_accuracy->currentIndex());
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Settings::values.gpu_accuracy = gpu_accuracy;
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Settings::values.use_vsync = ui->use_vsync->isChecked();
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Settings::values.use_fast_gpu_time = ui->use_fast_gpu_time->isChecked();
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Settings::values.force_30fps_mode = ui->force_30fps_mode->isChecked();
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Settings::values.max_anisotropy = ui->anisotropic_filtering_combobox->currentIndex();
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}
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@ -69,6 +69,13 @@
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</property>
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</widget>
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</item>
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<item>
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<widget class="QCheckBox" name="use_fast_gpu_time">
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<property name="text">
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<string>Use Fast GPU Time</string>
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</property>
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</widget>
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</item>
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<item>
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<layout class="QHBoxLayout" name="horizontalLayout_1">
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<item>
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@ -394,6 +394,8 @@ void Config::ReadValues() {
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sdl2_config->GetBoolean("Renderer", "use_asynchronous_gpu_emulation", false);
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Settings::values.use_vsync =
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static_cast<u16>(sdl2_config->GetInteger("Renderer", "use_vsync", 1));
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Settings::values.use_fast_gpu_time =
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sdl2_config->GetBoolean("Renderer", "use_fast_gpu_time", true);
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Settings::values.bg_red = static_cast<float>(sdl2_config->GetReal("Renderer", "bg_red", 0.0));
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Settings::values.bg_green =
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@ -130,6 +130,8 @@ void Config::ReadValues() {
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Settings::values.gpu_accuracy = static_cast<Settings::GPUAccuracy>(gpu_accuracy_level);
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Settings::values.use_asynchronous_gpu_emulation =
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sdl2_config->GetBoolean("Renderer", "use_asynchronous_gpu_emulation", false);
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Settings::values.use_fast_gpu_time =
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sdl2_config->GetBoolean("Renderer", "use_fast_gpu_time", true);
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Settings::values.bg_red = static_cast<float>(sdl2_config->GetReal("Renderer", "bg_red", 0.0));
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Settings::values.bg_green =
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