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Nvdrv: Correct Async regression and avoid signaling empty buffer vsyncs

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This commit is contained in:
Fernando Sahmkow 2019-09-25 16:08:33 -04:00 • committed by FernandoS27
parent d633397883
commit 4e9f975935
2 changed files with 9 additions and 3 deletions
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8
src/core/hle/service/nvflinger/nvflinger.cpp
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@ -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