settings: restore the recommended MKW settings prompt

Apply accepted settings visibly and save them, then reapply after per-game configuration. Include handheld mode.

Assisted by Codex.

1 files changed, 35 insertions, 0 deletions

diff --git a/src/common/game_presets.h b/src/common/game_presets.h
new file mode 100644
index 0000000000..f8299d948f
--- /dev/null
+++ b/src/common/game_presets.h
@@ -0,0 +1,35 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include "common/settings.h"
+
+namespace Settings {
+
+inline constexpr u64 MarioKartWorldProgramId = 0x0400C3F00006E000ULL;
+
+inline void SetMarioKartWorldRecommendedSettings(Values& settings, bool global) {
+    const auto session = [global](auto& setting, auto value) {
+        setting.SetGlobal(global);
+        setting.SetValue(value);
+    };
+    session(settings.renderer_backend, RendererBackend::Vulkan);
+    session(settings.resolution_setup, ResolutionSetup::Res1X);
+    session(settings.gpu_accuracy, GpuAccuracy::Low);
+    session(settings.use_asynchronous_shaders, true);
+    session(settings.astc_recompression, AstcRecompression::Bc3);
+    session(settings.vram_usage_mode, VramUsageMode::Conservative);
+    session(settings.use_reactive_flushing, false);
+    session(settings.vsync_mode, VSyncMode::FifoRelaxed);
+    session(settings.use_docked_mode, ConsoleMode::Handheld);
+}
+
+inline bool ApplyMarioKartWorldPreset(Values& settings, u64 program_id, bool accepted) {
+    if (!accepted || program_id != MarioKartWorldProgramId) {
+        return false;
+    }
+    SetMarioKartWorldRecommendedSettings(settings, false);
+    return true;
+}
+
+} // namespace Settings