Vulkan: swapchain images to be early released must be idle
Bug: 168800550
Test: build and wsi cts
Change-Id: Iaab1bbd67ff35b9eb9967d03374973c7844b63ef
diff --git a/vulkan/libvulkan/swapchain.cpp b/vulkan/libvulkan/swapchain.cpp
index 0f791c9..48090af 100644
--- a/vulkan/libvulkan/swapchain.cpp
+++ b/vulkan/libvulkan/swapchain.cpp
@@ -258,7 +258,11 @@
bool shared;
struct Image {
- Image() : image(VK_NULL_HANDLE), dequeue_fence(-1), dequeued(false) {}
+ Image()
+ : image(VK_NULL_HANDLE),
+ dequeue_fence(-1),
+ release_fence(-1),
+ dequeued(false) {}
VkImage image;
android::sp<ANativeWindowBuffer> buffer;
// The fence is only valid when the buffer is dequeued, and should be
@@ -266,6 +270,10 @@
// closed: either by closing it explicitly when queueing the buffer,
// or by passing ownership e.g. to ANativeWindow::cancelBuffer().
int dequeue_fence;
+ // This fence is a dup of the sync fd returned from the driver via
+ // vkQueueSignalReleaseImageANDROID upon vkQueuePresentKHR. We must
+ // ensure it is closed upon re-presenting or releasing the image.
+ int release_fence;
bool dequeued;
} images[android::BufferQueueDefs::NUM_BUFFER_SLOTS];
@@ -280,10 +288,19 @@
return reinterpret_cast<Swapchain*>(handle);
}
+static bool IsFencePending(int fd) {
+ if (fd < 0)
+ return false;
+
+ errno = 0;
+ return sync_wait(fd, 0 /* timeout */) == -1 && errno == ETIME;
+}
+
void ReleaseSwapchainImage(VkDevice device,
ANativeWindow* window,
int release_fence,
- Swapchain::Image& image) {
+ Swapchain::Image& image,
+ bool defer_if_pending) {
ATRACE_CALL();
ALOG_ASSERT(release_fence == -1 || image.dequeued,
@@ -319,10 +336,18 @@
close(release_fence);
}
}
-
+ release_fence = -1;
image.dequeued = false;
}
+ if (defer_if_pending && IsFencePending(image.release_fence))
+ return;
+
+ if (image.release_fence >= 0) {
+ close(image.release_fence);
+ image.release_fence = -1;
+ }
+
if (image.image) {
ATRACE_BEGIN("DestroyImage");
GetData(device).driver.DestroyImage(device, image.image, nullptr);
@@ -338,7 +363,8 @@
return;
for (uint32_t i = 0; i < swapchain->num_images; i++) {
if (!swapchain->images[i].dequeued)
- ReleaseSwapchainImage(device, nullptr, -1, swapchain->images[i]);
+ ReleaseSwapchainImage(device, nullptr, -1, swapchain->images[i],
+ true);
}
swapchain->surface.swapchain_handle = VK_NULL_HANDLE;
swapchain->timing.clear();
@@ -996,7 +1022,7 @@
}
for (uint32_t i = 0; i < swapchain->num_images; i++) {
- ReleaseSwapchainImage(device, window, -1, swapchain->images[i]);
+ ReleaseSwapchainImage(device, window, -1, swapchain->images[i], false);
}
if (active) {
@@ -1628,6 +1654,9 @@
ALOGE("QueueSignalReleaseImageANDROID failed: %d", result);
swapchain_result = result;
}
+ if (img.release_fence >= 0)
+ close(img.release_fence);
+ img.release_fence = fence < 0 ? -1 : dup(fence);
if (swapchain.surface.swapchain_handle ==
present_info->pSwapchains[sc]) {
@@ -1761,7 +1790,7 @@
WorstPresentResult(swapchain_result, VK_SUBOPTIMAL_KHR);
}
} else {
- ReleaseSwapchainImage(device, nullptr, fence, img);
+ ReleaseSwapchainImage(device, nullptr, fence, img, true);
swapchain_result = VK_ERROR_OUT_OF_DATE_KHR;
}