2 files changed, 17 insertions, 4 deletions

diff --git a/src/video_core/renderer_vulkan/vk_update_descriptor.cpp b/src/video_core/renderer_vulkan/vk_update_descriptor.cpp
index 009dab0b6..0630ebda5 100644
--- a/src/video_core/renderer_vulkan/vk_update_descriptor.cpp
+++ b/src/video_core/renderer_vulkan/vk_update_descriptor.cpp
@@ -14,13 +14,18 @@ namespace Vulkan {
 
 UpdateDescriptorQueue::UpdateDescriptorQueue(const Device& device_, Scheduler& scheduler_)
     : device{device_}, scheduler{scheduler_} {
+    payload_start = payload.data();
     payload_cursor = payload.data();
 }
 
 UpdateDescriptorQueue::~UpdateDescriptorQueue() = default;
 
 void UpdateDescriptorQueue::TickFrame() {
-    payload_cursor = payload.data();
+    if (++frame_index >= FRAMES_IN_FLIGHT) {
+        frame_index = 0;
+    }
+    payload_start = payload.data() + frame_index * FRAME_PAYLOAD_SIZE;
+    payload_cursor = payload_start;
 }
 
 void UpdateDescriptorQueue::Acquire() {
@@ -28,10 +33,10 @@ void UpdateDescriptorQueue::Acquire() {
     // This is the maximum number of entries a single draw call might use.
     static constexpr size_t MIN_ENTRIES = 0x400;
 
-    if (std::distance(payload.data(), payload_cursor) + MIN_ENTRIES >= payload.max_size()) {
+    if (std::distance(payload_start, payload_cursor) + MIN_ENTRIES >= FRAME_PAYLOAD_SIZE) {
         LOG_WARNING(Render_Vulkan, "Payload overflow, waiting for worker thread");
         scheduler.WaitWorker();
-        payload_cursor = payload.data();
+        payload_cursor = payload_start;
     }
     upload_start = payload_cursor;
 }
diff --git a/src/video_core/renderer_vulkan/vk_update_descriptor.h b/src/video_core/renderer_vulkan/vk_update_descriptor.h
index 625bcc809..1c1a7020b 100644
--- a/src/video_core/renderer_vulkan/vk_update_descriptor.h
+++ b/src/video_core/renderer_vulkan/vk_update_descriptor.h
@@ -29,6 +29,12 @@ struct DescriptorUpdateEntry {
 };
 
 class UpdateDescriptorQueue final {
+    // This should be plenty for the vast majority of cases. Most desktop platforms only
+    // provide up to 3 swapchain images.
+    static constexpr size_t FRAMES_IN_FLIGHT = 5;
+    static constexpr size_t FRAME_PAYLOAD_SIZE = 0x10000;
+    static constexpr size_t PAYLOAD_SIZE = FRAME_PAYLOAD_SIZE * FRAMES_IN_FLIGHT;
+
 public:
     explicit UpdateDescriptorQueue(const Device& device_, Scheduler& scheduler_);
     ~UpdateDescriptorQueue();
@@ -73,9 +79,11 @@ private:
     const Device& device;
     Scheduler& scheduler;
 
+    size_t frame_index{0};
     DescriptorUpdateEntry* payload_cursor = nullptr;
+    DescriptorUpdateEntry* payload_start = nullptr;
     const DescriptorUpdateEntry* upload_start = nullptr;
-    std::array<DescriptorUpdateEntry, 0x10000> payload;
+    std::array<DescriptorUpdateEntry, PAYLOAD_SIZE> payload;
 };
 
 } // namespace Vulkan