service/nvflinger: Make FindBufferQueueId() a const member function

This member function doesn't actually modify instance state, so it can
be const-qualified.

1 files changed, 19 insertions, 1 deletions

diff --git a/src/core/hle/service/nvflinger/nvflinger.cpp b/src/core/hle/service/nvflinger/nvflinger.cpp
index 8e2e6b670..8dfc0df03 100644
--- a/src/core/hle/service/nvflinger/nvflinger.cpp
+++ b/src/core/hle/service/nvflinger/nvflinger.cpp
@@ -73,7 +73,7 @@ u64 NVFlinger::CreateLayer(u64 display_id) {
     return layer_id;
 }
 
-u32 NVFlinger::FindBufferQueueId(u64 display_id, u64 layer_id) {
+u32 NVFlinger::FindBufferQueueId(u64 display_id, u64 layer_id) const {
     const auto& layer = FindLayer(display_id, layer_id);
     return layer.buffer_queue->GetId();
 }
@@ -98,6 +98,14 @@ Display& NVFlinger::FindDisplay(u64 display_id) {
     return *itr;
 }
 
+const Display& NVFlinger::FindDisplay(u64 display_id) const {
+    const auto itr = std::find_if(displays.begin(), displays.end(),
+                                  [&](const Display& display) { return display.id == display_id; });
+
+    ASSERT(itr != displays.end());
+    return *itr;
+}
+
 Layer& NVFlinger::FindLayer(u64 display_id, u64 layer_id) {
     auto& display = FindDisplay(display_id);
 
@@ -108,6 +116,16 @@ Layer& NVFlinger::FindLayer(u64 display_id, u64 layer_id) {
     return *itr;
 }
 
+const Layer& NVFlinger::FindLayer(u64 display_id, u64 layer_id) const {
+    const auto& display = FindDisplay(display_id);
+
+    const auto itr = std::find_if(display.layers.begin(), display.layers.end(),
+                                  [&](const Layer& layer) { return layer.id == layer_id; });
+
+    ASSERT(itr != display.layers.end());
+    return *itr;
+}
+
 void NVFlinger::Compose() {
     for (auto& display : displays) {
         // Trigger vsync for this display at the end of drawing