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[Fix] (Magma): eglSwapInterval reaches the swapchain - 0 picks IMMEDIATE, else MAILBOX, else FIFO; >= 1 FIFO; < 0 FIFO_RELAXED, else FIFO; rebuilt after the next present when the mode changes (MC 26.3 vsync on: 190-290 fps -> 120)

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swung0x48
2026-09-29 05:51:18 -04:00
parent b1d60523e4
commit c60639db1d
12 changed files with 203 additions and 14 deletions
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MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.cpp
+31 -3
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@@ -2980,7 +2980,10 @@ void main() {
}
VulkanRenderer::VulkanRenderer(NativeWindowType window, const VulkanRendererConfig& cfg)
: m_window(window), m_config(cfg) {
: m_window(window), m_config(cfg), m_presentsToAppWindow(window != NativeWindowType{}) {
if (!m_presentsToAppWindow) {
m_config.SwapInterval.reset();
}
// Initialize();
}
@@ -12957,8 +12960,22 @@ void main() {
if (!m_swapchainResizeRequested && SwapchainIsOutOfDate()) {
m_swapchainResizeRequested = true;
}
// A new eglSwapInterval lands here too, between frames: this one is on screen and the
// next has recorded nothing. Only a different present mode is worth the rebuild (it
// drops every pipeline); otherwise the live swapchain already paces as asked.
if (m_config.SwapInterval != m_swapchainSwapInterval) {
if (SwapchainObject::ChooseSwapchainPresentMode(m_swapchainObject.GetSupportedPresentModes(),
m_config.SwapInterval) !=
m_swapchainObject.GetPresentMode()) {
m_swapchainResizeRequested = true;
} else {
MGLOG_D("DirectVulkan: swap interval %d -> %s", *m_config.SwapInterval,
SwapchainObject::GetPresentModeName(m_swapchainObject.GetPresentMode()));
m_swapchainSwapInterval = m_config.SwapInterval;
}
}
if (m_swapchainResizeRequested) {
MGLOG_D("Present, processing requested swapchain resize");
MGLOG_D("Present, processing requested swapchain rebuild (resize or swap interval)");
if (!RecreateSwapchain()) {
m_presentSuspended = true;
m_swapchainResizeRequested = false;
@@ -14442,7 +14459,12 @@ void main() {
m_swapchainObject.Create(m_device, m_physicalDevice.handle, m_surface,
static_cast<Uint32>(m_physicalDevice.queueFamilies.graphicsFamily),
static_cast<Uint32>(m_physicalDevice.queueFamilies.presentFamily),
m_config.MaxFramesInFlight, desiredExtent);
m_config.MaxFramesInFlight, desiredExtent, m_config.SwapInterval);
if (m_config.SwapInterval && m_config.SwapInterval != m_swapchainSwapInterval) {
MGLOG_D("DirectVulkan: swap interval %d -> %s", *m_config.SwapInterval,
SwapchainObject::GetPresentModeName(m_swapchainObject.GetPresentMode()));
}
m_swapchainSwapInterval = m_config.SwapInterval;
// The FragCoordYFlip variants bake this height in; it is the only input to a shader
// module that lives outside the GL program, so the factory has to learn it here (and on
// every recreation, which is the only way it can change).
@@ -14886,6 +14908,12 @@ void main() {
m_swapchainResizeRequested = true;
}
void VulkanRenderer::SetSwapInterval(Int interval) {
if (m_presentsToAppWindow) {
m_config.SwapInterval = interval;
}
}
VkInstance VulkanRenderer::GetInstance() const {
return m_instance;
}