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-rw-r--r--src/core/hle/service/nvflinger/buffer_queue.cpp12
-rw-r--r--src/core/hle/service/nvflinger/buffer_queue.h2
2 files changed, 11 insertions, 3 deletions
diff --git a/src/core/hle/service/nvflinger/buffer_queue.cpp b/src/core/hle/service/nvflinger/buffer_queue.cpp
index 75e47b8c7..d8aa3f1c0 100644
--- a/src/core/hle/service/nvflinger/buffer_queue.cpp
+++ b/src/core/hle/service/nvflinger/buffer_queue.cpp
@@ -75,12 +75,18 @@ void BufferQueue::QueueBuffer(u32 slot, BufferTransformFlags transform,
itr->crop_rect = crop_rect;
itr->swap_interval = swap_interval;
itr->multi_fence = multi_fence;
+ queue_sequence.push_back(slot);
}
std::optional<std::reference_wrapper<const BufferQueue::Buffer>> BufferQueue::AcquireBuffer() {
- auto itr = std::find_if(queue.begin(), queue.end(), [](const Buffer& buffer) {
- return buffer.status == Buffer::Status::Queued;
- });
+ std::vector<Buffer>::iterator itr = queue.end();
+ while (itr == queue.end() && !queue_sequence.empty()) {
+ u32 slot = queue_sequence.front();
+ itr = std::find_if(queue.begin(), queue.end(), [&slot](const Buffer& buffer) {
+ return buffer.status == Buffer::Status::Queued && buffer.slot == slot;
+ });
+ queue_sequence.pop_front();
+ }
if (itr == queue.end())
return {};
itr->status = Buffer::Status::Acquired;
diff --git a/src/core/hle/service/nvflinger/buffer_queue.h b/src/core/hle/service/nvflinger/buffer_queue.h
index c163e565c..be993ee61 100644
--- a/src/core/hle/service/nvflinger/buffer_queue.h
+++ b/src/core/hle/service/nvflinger/buffer_queue.h
@@ -6,6 +6,7 @@
#include <optional>
#include <vector>
+#include <list>
#include "common/common_funcs.h"
#include "common/math_util.h"
@@ -97,6 +98,7 @@ private:
u64 layer_id;
std::vector<Buffer> queue;
+ std::list<u32> queue_sequence;
Kernel::EventPair buffer_wait_event;
};