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nvnflinger: check for layers before compose

This commit is contained in:
Liam 2024-02-18 11:25:47 -05:00
parent a07f0883b9
commit 940a71422e
5 changed files with 13 additions and 7 deletions
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4
src/core/hle/service/nvnflinger/display.h
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@ -44,6 +44,10 @@ struct Display {
return nullptr; return nullptr;
} }
bool HasLayers() {
return !stack.layers.empty();
}
u64 id; u64 id;
LayerStack stack; LayerStack stack;
}; };

7
src/core/hle/service/nvnflinger/surface_flinger.cpp
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@ -33,16 +33,17 @@ void SurfaceFlinger::RemoveDisplay(u64 display_id) {
std::erase_if(m_displays, [&](auto& display) { return display.id == display_id; }); std::erase_if(m_displays, [&](auto& display) { return display.id == display_id; });
} }
void SurfaceFlinger::ComposeDisplay(s32* out_swap_interval, f32* out_compose_speed_scale, bool SurfaceFlinger::ComposeDisplay(s32* out_swap_interval, f32* out_compose_speed_scale,
u64 display_id) { u64 display_id) {
auto* const display = this->FindDisplay(display_id); auto* const display = this->FindDisplay(display_id);
if (!display) { if (!display || !display->HasLayers()) {
return; return false;
} }
*out_swap_interval = *out_swap_interval =
m_composer.ComposeLocked(out_compose_speed_scale, *display, m_composer.ComposeLocked(out_compose_speed_scale, *display,
*nvdrv->GetDevice<Nvidia::Devices::nvdisp_disp0>(disp_fd)); *nvdrv->GetDevice<Nvidia::Devices::nvdisp_disp0>(disp_fd));
return true;
} }
void SurfaceFlinger::AddLayerToDisplayStack(u64 display_id, s32 consumer_binder_id) { void SurfaceFlinger::AddLayerToDisplayStack(u64 display_id, s32 consumer_binder_id) {

2
src/core/hle/service/nvnflinger/surface_flinger.h
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@ -34,7 +34,7 @@ public:
void AddDisplay(u64 display_id); void AddDisplay(u64 display_id);
void RemoveDisplay(u64 display_id); void RemoveDisplay(u64 display_id);
void ComposeDisplay(s32* out_swap_interval, f32* out_compose_speed_scale, u64 display_id); bool ComposeDisplay(s32* out_swap_interval, f32* out_compose_speed_scale, u64 display_id);
void AddLayerToDisplayStack(u64 display_id, s32 consumer_binder_id); void AddLayerToDisplayStack(u64 display_id, s32 consumer_binder_id);
void RemoveLayerFromDisplayStack(u64 display_id, s32 consumer_binder_id); void RemoveLayerFromDisplayStack(u64 display_id, s32 consumer_binder_id);

5
src/core/hle/service/vi/container.cpp
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@ -218,10 +218,11 @@ void Container::DestroyBufferQueueLocked(Layer* layer) {
layer->GetProducerBinderId()); layer->GetProducerBinderId());
} }
void Container::ComposeOnDisplay(s32* out_swap_interval, f32* out_compose_speed_scale, bool Container::ComposeOnDisplay(s32* out_swap_interval, f32* out_compose_speed_scale,
u64 display_id) { u64 display_id) {
std::scoped_lock lk{m_lock}; std::scoped_lock lk{m_lock};
m_surface_flinger->ComposeDisplay(out_swap_interval, out_compose_speed_scale, display_id); return m_surface_flinger->ComposeDisplay(out_swap_interval, out_compose_speed_scale,
display_id);
} }
} // namespace Service::VI } // namespace Service::VI

2
src/core/hle/service/vi/container.h
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@ -76,7 +76,7 @@ private:
void DestroyBufferQueueLocked(Layer* layer); void DestroyBufferQueueLocked(Layer* layer);
public: public:
void ComposeOnDisplay(s32* out_swap_interval, f32* out_compose_speed_scale, u64 display_id); bool ComposeOnDisplay(s32* out_swap_interval, f32* out_compose_speed_scale, u64 display_id);
private: private:
std::mutex m_lock{}; std::mutex m_lock{};