From 4e9f975935b4208b29e158dabe62f8ad1122a447 Mon Sep 17 00:00:00 2001 From: Fernando Sahmkow Date: Wed, 25 Sep 2019 16:08:33 -0400 Subject: [PATCH] Nvdrv: Correct Async regression and avoid signaling empty buffer vsyncs --- src/core/hle/service/nvdrv/nvdrv.cpp | 4 ++-- src/core/hle/service/nvflinger/nvflinger.cpp | 8 +++++++- 2 files changed, 9 insertions(+), 3 deletions(-) diff --git a/src/core/hle/service/nvdrv/nvdrv.cpp b/src/core/hle/service/nvdrv/nvdrv.cpp index 307a7e9281..7bfb99e343 100644 --- a/src/core/hle/service/nvdrv/nvdrv.cpp +++ b/src/core/hle/service/nvdrv/nvdrv.cpp @@ -40,8 +40,8 @@ Module::Module(Core::System& system) { auto& kernel = system.Kernel(); for (u32 i = 0; i < MaxNvEvents; i++) { std::string event_label = fmt::format("NVDRV::NvEvent_{}", i); - events_interface.events[i] = Kernel::WritableEvent::CreateEventPair( - kernel, Kernel::ResetType::Automatic, event_label); + events_interface.events[i] = + Kernel::WritableEvent::CreateEventPair(kernel, Kernel::ResetType::Manual, event_label); events_interface.status[i] = EventState::Free; events_interface.registered[i] = false; } diff --git a/src/core/hle/service/nvflinger/nvflinger.cpp b/src/core/hle/service/nvflinger/nvflinger.cpp index 2e4d707b96..3b251f8c8f 100644 --- a/src/core/hle/service/nvflinger/nvflinger.cpp +++ b/src/core/hle/service/nvflinger/nvflinger.cpp @@ -170,8 +170,13 @@ const VI::Layer* NVFlinger::FindLayer(u64 display_id, u64 layer_id) const { void NVFlinger::Compose() { for (auto& display : displays) { + bool trigger_event = false; // Trigger vsync for this display at the end of drawing - SCOPE_EXIT({ display.SignalVSyncEvent(); }); + SCOPE_EXIT({ + if (trigger_event) { + display.SignalVSyncEvent(); + } + }); // Don't do anything for displays without layers. if (!display.HasLayers()) @@ -194,6 +199,7 @@ void NVFlinger::Compose() { } const auto& igbp_buffer = buffer->get().igbp_buffer; + trigger_event = true; // Now send the buffer to the GPU for drawing. // TODO(Subv): Support more than just disp0. The display device selection is probably based