vi: check layer state before opening or closing
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ce89580749
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e4bbb24dcf
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@ -174,24 +174,28 @@ void Nvnflinger::CreateLayerAtId(VI::Display& display, u64 layer_id) {
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display.CreateLayer(layer_id, buffer_id, nvdrv->container);
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}
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void Nvnflinger::OpenLayer(u64 layer_id) {
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bool Nvnflinger::OpenLayer(u64 layer_id) {
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const auto lock_guard = Lock();
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for (auto& display : displays) {
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if (auto* layer = display.FindLayer(layer_id); layer) {
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layer->Open();
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return layer->Open();
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}
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}
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return false;
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}
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void Nvnflinger::CloseLayer(u64 layer_id) {
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bool Nvnflinger::CloseLayer(u64 layer_id) {
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const auto lock_guard = Lock();
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for (auto& display : displays) {
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if (auto* layer = display.FindLayer(layer_id); layer) {
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layer->Close();
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return layer->Close();
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}
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}
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return false;
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}
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void Nvnflinger::DestroyLayer(u64 layer_id) {
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@ -74,10 +74,10 @@ public:
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[[nodiscard]] std::optional<u64> CreateLayer(u64 display_id);
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/// Opens a layer on all displays for the given layer ID.
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void OpenLayer(u64 layer_id);
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bool OpenLayer(u64 layer_id);
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/// Closes a layer on all displays for the given layer ID.
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void CloseLayer(u64 layer_id);
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bool CloseLayer(u64 layer_id);
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/// Destroys the given layer ID.
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void DestroyLayer(u64 layer_id);
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@ -4,6 +4,7 @@
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#pragma once
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#include <memory>
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#include <utility>
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#include "common/common_types.h"
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@ -75,12 +76,12 @@ public:
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return open;
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}
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void Close() {
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open = false;
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bool Close() {
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return std::exchange(open, false);
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}
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void Open() {
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open = true;
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bool Open() {
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return !std::exchange(open, true);
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}
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private:
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@ -719,7 +719,12 @@ private:
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return;
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}
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nvnflinger.OpenLayer(layer_id);
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if (!nvnflinger.OpenLayer(layer_id)) {
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LOG_WARNING(Service_VI, "Tried to open layer which was already open");
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(ResultOperationFailed);
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return;
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}
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android::OutputParcel parcel;
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parcel.WriteInterface(NativeWindow{*buffer_queue_id});
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@ -737,7 +742,12 @@ private:
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LOG_DEBUG(Service_VI, "called. layer_id=0x{:016X}", layer_id);
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nvnflinger.CloseLayer(layer_id);
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if (!nvnflinger.CloseLayer(layer_id)) {
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LOG_WARNING(Service_VI, "Tried to close layer which was not open");
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(ResultOperationFailed);
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return;
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}
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(ResultSuccess);
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