drifty/emulator
1
0
Fork 0
mirror of https://git.citron-emu.org/citron/emulator synced 2025-12-19 10:43:33 +00:00
Code Issues Packages Projects Releases Wiki Activity

fix: is_wayland_platform flag to prioritize low-latency

Browse Source
This commit is contained in:
collecting
2025-09-29 04:11:44 +00:00
parent d627962408
commit ce2909299f
1 changed files with 44 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
src/video_core/renderer_vulkan/vk_swapchain.cpp
View File

@@ -1,4 +1,5 @@
// SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project
// SPDX-FileCopyrightText: Copyright 2025 citron Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <algorithm>
@@ -37,6 +38,27 @@ VkSurfaceFormatKHR ChooseSwapSurfaceFormat(vk::Span<VkSurfaceFormatKHR> formats)
static VkPresentModeKHR ChooseSwapPresentMode(bool has_imm, bool has_mailbox,
bool has_fifo_relaxed) {
// Wayland-specific optimizations for low-latency presentation.
if (Settings::values.is_wayland_platform.GetValue()) {
LOG_INFO(Render_Vulkan, "Wayland platform detected. Prioritizing low-latency presentation modes.");
// On Wayland, Mailbox is strongly preferred for smooth, low-latency rendering.
if (has_mailbox) {
LOG_INFO(Render_Vulkan, "Using Mailbox presentation mode for Wayland.");
return VK_PRESENT_MODE_MAILBOX_KHR;
}
// Allow Immediate for lowest latency if the user explicitly chooses it.
if (has_imm && Settings::values.vsync_mode.GetValue() == Settings::VSyncMode::Immediate) {
LOG_INFO(Render_Vulkan, "Using Immediate presentation mode for Wayland (tearing may occur).");
return VK_PRESENT_MODE_IMMEDIATE_KHR;
}
// Fallback to standard FIFO (V-Sync) if Mailbox is not available.
LOG_INFO(Render_Vulkan, "Mailbox not available. Falling back to FIFO presentation mode for Wayland.");
return VK_PRESENT_MODE_FIFO_KHR;
}
// Mailbox doesn't lock the application like FIFO (vsync)
// FIFO present mode locks the framerate to the monitor's refresh rate
Settings::VSyncMode setting = [has_imm, has_mailbox]() {