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-rw-r--r--vulkan/libvulkan/swapchain.cpp10
1 files changed, 10 insertions, 0 deletions
diff --git a/vulkan/libvulkan/swapchain.cpp b/vulkan/libvulkan/swapchain.cpp
index e2e733e0a3..a4f968a7b2 100644
--- a/vulkan/libvulkan/swapchain.cpp
+++ b/vulkan/libvulkan/swapchain.cpp
@@ -1210,6 +1210,16 @@ VkResult AcquireNextImageKHR(VkDevice device,
timeout != UINT64_MAX,
"vkAcquireNextImageKHR: non-infinite timeouts not yet implemented");
+ if (swapchain.shared) {
+ // In shared mode, we keep the buffer dequeued all the time, so we don't
+ // want to dequeue a buffer here. Instead, just ask the driver to ensure
+ // the semaphore and fence passed to us will be signalled.
+ *image_index = 0;
+ result = GetData(device).driver.AcquireImageANDROID(
+ device, swapchain.images[*image_index].image, -1, semaphore, vk_fence);
+ return result;
+ }
+
ANativeWindowBuffer* buffer;
int fence_fd;
err = window->dequeueBuffer(window, &buffer, &fence_fd);