ExternalVkImageBacking: support on Windows

This CL enables the ExternalVkImageBacking on Windows platform, but it
only supports pixel copy code path for now, the vulkan external memory
extension is not used.

Bug: None
Change-Id: I44955572175d218ec613b41eddf40eb0655fac07
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2125705Reviewed-by: Vasiliy Telezhnikov <vasilyt@chromium.org>
Commit-Queue: Peng Huang <penghuang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#755968}

gpu/command_buffer/service/BUILD.gn

@@ -328,7 +328,7 @@ target(link_target_type, "gles2_sources") {
       "//gpu/vulkan",
     ]
 
-    if (is_linux || is_fuchsia || is_android) {
+    if (is_linux || is_fuchsia || is_android || is_win) {
       sources += [
         "external_vk_image_backing.cc",
         "external_vk_image_backing.h",

gpu/command_buffer/service/external_vk_image_backing.cc

@@ -536,7 +536,8 @@ ExternalVkImageBacking::ProduceDawn(SharedImageManager* manager,
 }
 
 GLuint ExternalVkImageBacking::ProduceGLTextureInternal() {
-#if defined(OS_LINUX) || defined(OS_ANDROID) || defined(OS_FUCHSIA)
+#if defined(OS_LINUX) || defined(OS_ANDROID) || defined(OS_FUCHSIA) || \
+    defined(OS_WIN)
   GrVkImageInfo image_info;
   bool result = backend_texture_.getVkImageInfo(&image_info);
   DCHECK(result);
@@ -569,6 +570,10 @@ GLuint ExternalVkImageBacking::ProduceGLTextureInternal() {
     api->glImportMemoryZirconHandleANGLEFn(
         memory_object, image_info.fAlloc.fSize, GL_HANDLE_TYPE_ZIRCON_VMO_ANGLE,
         vmo.release());
+#elif defined(OS_WIN)
+    // TODO(penghuang): support interop on Windows
+    NOTIMPLEMENTED();
+    return 0;
 #else
 #error Unsupported OS
 #endif
@@ -617,7 +622,8 @@ ExternalVkImageBacking::ProduceGLTexture(SharedImageManager* manager,
     return nullptr;
   }
 
-#if defined(OS_LINUX) || defined(OS_ANDROID) || defined(OS_FUCHSIA)
+#if defined(OS_LINUX) || defined(OS_ANDROID) || defined(OS_FUCHSIA) || \
+    defined(OS_WIN)
   if (!texture_) {
     GLuint texture_service_id = ProduceGLTextureInternal();
     if (!texture_service_id)
@@ -645,7 +651,7 @@ ExternalVkImageBacking::ProduceGLTexture(SharedImageManager* manager,
   }
   return std::make_unique<ExternalVkImageGLRepresentation>(
       manager, this, tracker, texture_, texture_->service_id());
-#else  // !defined(OS_LINUX) && !defined(OS_ANDROID) && !defined(OS_FUCHSIA)
+#else
 #error Unsupported OS
 #endif
 }
@@ -660,7 +666,8 @@ ExternalVkImageBacking::ProduceGLTexturePassthrough(
     return nullptr;
   }
 
-#if defined(OS_LINUX) || defined(OS_ANDROID) || defined(OS_FUCHSIA)
+#if defined(OS_LINUX) || defined(OS_ANDROID) || defined(OS_FUCHSIA) || \
+    defined(OS_WIN)
   if (!texture_passthrough_) {
     GLuint texture_service_id = ProduceGLTextureInternal();
     if (!texture_service_id)
@@ -677,7 +684,7 @@ ExternalVkImageBacking::ProduceGLTexturePassthrough(
 
   return std::make_unique<ExternalVkImageGLPassthroughRepresentation>(
       manager, this, tracker, texture_passthrough_->service_id());
-#else  // !defined(OS_LINUX) && !defined(OS_ANDROID) && !defined(OS_FUCHSIA)
+#else
 #error Unsupported OS
 #endif
 }

gpu/command_buffer/service/external_vk_image_factory.cc

@@ -4,8 +4,6 @@
 
 #include "gpu/command_buffer/service/external_vk_image_factory.h"
 
-#include <unistd.h>
-
 #include "components/viz/common/gpu/vulkan_context_provider.h"
 #include "components/viz/common/resources/resource_format_utils.h"
 #include "gpu/command_buffer/service/external_vk_image_backing.h"

gpu/command_buffer/service/external_vk_image_gl_representation.cc

@@ -217,7 +217,10 @@ GLuint ExternalVkImageGLRepresentationShared::ImportVkSemaphoreIntoGL(
   api->glImportSemaphoreZirconHandleANGLEFn(
       gl_semaphore, GL_HANDLE_TYPE_ZIRCON_EVENT_ANGLE, event.release());
   return gl_semaphore;
-#else  // !defined(OS_LINUX) && !defined(OS_ANDROID) && !defined(OS_FUCHSIA)
+#elif defined(OS_WIN)
+  NOTIMPLEMENTED();
+  return 0;
+#else
 #error Unsupported OS
 #endif
 }

gpu/command_buffer/service/shared_image_factory.cc

@@ -28,7 +28,8 @@
 #include "ui/gl/gl_implementation.h"
 #include "ui/gl/trace_util.h"
 
-#if (defined(USE_X11) || defined(OS_FUCHSIA)) && BUILDFLAG(ENABLE_VULKAN)
+#if (defined(USE_X11) || defined(OS_FUCHSIA) || defined(OS_WIN)) && \
+    BUILDFLAG(ENABLE_VULKAN)
 #include "gpu/command_buffer/service/external_vk_image_factory.h"
 #elif defined(OS_ANDROID) && BUILDFLAG(ENABLE_VULKAN)
 #include "gpu/command_buffer/service/external_vk_image_factory.h"
@@ -95,7 +96,8 @@ SharedImageFactory::SharedImageFactory(
   }
 
   // For X11
-#if (defined(USE_X11) || defined(OS_FUCHSIA)) && BUILDFLAG(ENABLE_VULKAN)
+#if (defined(USE_X11) || defined(OS_FUCHSIA) || defined(OS_WIN)) && \
+    BUILDFLAG(ENABLE_VULKAN)
   if (using_vulkan_) {
     interop_backing_factory_ =
         std::make_unique<ExternalVkImageFactory>(context_state);