service/nvflinger: Make FindBufferQueueId() a const member function
This member function doesn't actually modify instance state, so it can be const-qualified.
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@ -73,7 +73,7 @@ u64 NVFlinger::CreateLayer(u64 display_id) {
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return layer_id;
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}
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u32 NVFlinger::FindBufferQueueId(u64 display_id, u64 layer_id) {
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u32 NVFlinger::FindBufferQueueId(u64 display_id, u64 layer_id) const {
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const auto& layer = FindLayer(display_id, layer_id);
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return layer.buffer_queue->GetId();
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}
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@ -98,6 +98,14 @@ Display& NVFlinger::FindDisplay(u64 display_id) {
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return *itr;
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}
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const Display& NVFlinger::FindDisplay(u64 display_id) const {
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const auto itr = std::find_if(displays.begin(), displays.end(),
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[&](const Display& display) { return display.id == display_id; });
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ASSERT(itr != displays.end());
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return *itr;
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}
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Layer& NVFlinger::FindLayer(u64 display_id, u64 layer_id) {
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auto& display = FindDisplay(display_id);
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@ -108,6 +116,16 @@ Layer& NVFlinger::FindLayer(u64 display_id, u64 layer_id) {
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return *itr;
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}
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const Layer& NVFlinger::FindLayer(u64 display_id, u64 layer_id) const {
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const auto& display = FindDisplay(display_id);
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const auto itr = std::find_if(display.layers.begin(), display.layers.end(),
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[&](const Layer& layer) { return layer.id == layer_id; });
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ASSERT(itr != display.layers.end());
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return *itr;
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}
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void NVFlinger::Compose() {
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for (auto& display : displays) {
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// Trigger vsync for this display at the end of drawing
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@ -64,7 +64,7 @@ public:
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u64 CreateLayer(u64 display_id);
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/// Finds the buffer queue ID of the specified layer in the specified display.
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u32 FindBufferQueueId(u64 display_id, u64 layer_id);
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u32 FindBufferQueueId(u64 display_id, u64 layer_id) const;
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/// Gets the vsync event for the specified display.
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Kernel::SharedPtr<Kernel::ReadableEvent> GetVsyncEvent(u64 display_id);
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@ -80,9 +80,15 @@ private:
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/// Finds the display identified by the specified ID.
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Display& FindDisplay(u64 display_id);
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/// Finds the display identified by the specified ID.
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const Display& FindDisplay(u64 display_id) const;
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/// Finds the layer identified by the specified ID in the desired display.
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Layer& FindLayer(u64 display_id, u64 layer_id);
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/// Finds the layer identified by the specified ID in the desired display.
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const Layer& FindLayer(u64 display_id, u64 layer_id) const;
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std::shared_ptr<Nvidia::Module> nvdrv;
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std::array<Display, 5> displays{{
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