Update to use Dawn's dawn_native::vulkan::ExportVulkanImage API

The new API allows passing/getting the old/new image layouts to
do proper image layout transitions. ExportSignalSemaphoreOpaqueFD
is deprecated.

Bug: dawn:200, 976495
Change-Id: Icbdd354bf5d8231c16b1bbc64317bcd158e0c135
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2451710Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Austin Eng <enga@chromium.org>
Cr-Commit-Position: refs/heads/master@{#814221}

gpu/command_buffer/service/external_vk_image_dawn_representation.cc

@@ -57,7 +57,7 @@ WGPUTexture ExternalVkImageDawnRepresentation::BeginAccess(
 
   dawn_native::vulkan::ExternalImageDescriptorOpaqueFD descriptor = {};
   descriptor.cTextureDescriptor = &texture_descriptor;
-  descriptor.isCleared = IsCleared();
+  descriptor.isInitialized = IsCleared();
   descriptor.allocationSize = backing_impl()->image()->device_size();
   descriptor.memoryTypeIndex = backing_impl()->image()->memory_type_index();
   descriptor.memoryFD = dup(memory_fd_.get());
@@ -80,21 +80,27 @@ void ExternalVkImageDawnRepresentation::EndAccess() {
   }
 
   // Grab the signal semaphore from dawn
-  int signal_semaphore_fd =
-      dawn_native::vulkan::ExportSignalSemaphoreOpaqueFD(device_, texture_);
-
-  if (dawn_native::IsTextureSubresourceInitialized(texture_, 0, 1, 0, 1)) {
+  dawn_native::vulkan::ExternalImageExportInfoOpaqueFD export_info;
+  if (!dawn_native::vulkan::ExportVulkanImage(
+          texture_, VK_IMAGE_LAYOUT_UNDEFINED, &export_info)) {
+    DLOG(ERROR) << "Failed to export Dawn Vulkan image.";
+  } else {
+    if (export_info.isInitialized) {
       SetCleared();
     }
 
+    // TODO(enga): Handle waiting on multiple semaphores from dawn
+    DCHECK(export_info.semaphoreHandles.size() == 1);
+
     // Wrap file descriptor in a handle
     SemaphoreHandle handle(VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_FD_BIT_KHR,
-                         base::ScopedFD(signal_semaphore_fd));
+                           base::ScopedFD(export_info.semaphoreHandles[0]));
 
     auto semaphore = ExternalSemaphore::CreateFromHandle(
         backing_impl()->context_provider(), std::move(handle));
 
     backing_impl()->EndAccess(false, std::move(semaphore), false /* is_gl */);
+  }
 
   // Destroy the texture, signaling the semaphore in dawn
   dawn_procs_.textureDestroy(texture_);

gpu/command_buffer/service/shared_image_backing_factory_iosurface.mm

@@ -122,7 +122,7 @@ class SharedImageRepresentationDawnIOSurface
 
     dawn_native::metal::ExternalImageDescriptorIOSurface descriptor;
     descriptor.cTextureDescriptor = &texture_descriptor;
-    descriptor.isCleared = IsCleared();
+    descriptor.isInitialized = IsCleared();
     descriptor.ioSurface = io_surface_.get();
     descriptor.plane = 0;
 

gpu/command_buffer/service/shared_image_representation_d3d.cc

@@ -90,7 +90,7 @@ WGPUTexture SharedImageRepresentationDawnD3D::BeginAccess(
 
   dawn_native::d3d12::ExternalImageDescriptorDXGISharedHandle descriptor;
   descriptor.cTextureDescriptor = &texture_descriptor;
-  descriptor.isCleared = IsCleared();
+  descriptor.isInitialized = IsCleared();
   descriptor.sharedHandle = shared_handle;
   descriptor.acquireMutexKey = shared_mutex_acquire_key;
   descriptor.isSwapChainTexture =

gpu/command_buffer/service/shared_image_representation_dawn_ozone.cc

@@ -7,6 +7,7 @@
 #include <dawn_native/VulkanBackend.h>
 
 #include <vulkan/vulkan.h>
+#include "base/logging.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_refptr.h"
 #include "gpu/command_buffer/service/memory_tracking.h"
@@ -69,7 +70,7 @@ WGPUTexture SharedImageRepresentationDawnOzone::BeginAccess(
 
   dawn_native::vulkan::ExternalImageDescriptorDmaBuf descriptor = {};
   descriptor.cTextureDescriptor = &texture_descriptor;
-  descriptor.isCleared = IsCleared();
+  descriptor.isInitialized = IsCleared();
   // Import the dma-buf into Dawn via the Vulkan backend. As per the Vulkan
   // documentation, importing memory from a file descriptor transfers
   // ownership of the fd from the application to the Vulkan implementation.
@@ -94,12 +95,19 @@ void SharedImageRepresentationDawnOzone::EndAccess() {
     return;
   }
 
-  if (dawn_native::IsTextureSubresourceInitialized(texture_, 0, 1, 0, 1)) {
+  // Grab the signal semaphore from dawn
+  dawn_native::vulkan::ExternalImageExportInfoOpaqueFD export_info;
+  if (!dawn_native::vulkan::ExportVulkanImage(
+          texture_, VK_IMAGE_LAYOUT_UNDEFINED, &export_info)) {
+    DLOG(ERROR) << "Failed to export Dawn Vulkan image.";
+  } else {
+    if (export_info.isInitialized) {
       SetCleared();
     }
 
-  // TODO(hob): Synchronize access to the dma-buf by exporting the VkSemaphore
-  // from the WebGPU texture.
+    // TODO(hob): Synchronize access to the dma-buf by waiting on
+    // |export_info.semaphoreHandles|
+  }
   dawn_procs_->data.textureDestroy(texture_);
   dawn_procs_->data.textureRelease(texture_);
   texture_ = nullptr;