Add Vulkan rendering support

Updates 3rdparty:

* 8b7ce4ef70d Make GrVkImage external

Task-number: QTBUG-107669
Change-Id: If7fbe1f20538598dd1d4f3a67be17c9f7d06a3cd
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>

1 files changed, 18 insertions, 0 deletions

diff --git a/src/core/compositor/compositor.h b/src/core/compositor/compositor.h
index 9cadab4d4..7c6590134 100644
--- a/src/core/compositor/compositor.h
+++ b/src/core/compositor/compositor.h
@@ -4,10 +4,16 @@
 #ifndef COMPOSITOR_H
 #define COMPOSITOR_H
 
+#include <QtGui/qtguiglobal.h>
 #include <QtWebEngineCore/private/qtwebenginecoreglobal_p.h>
 
+#if QT_CONFIG(webengine_vulkan)
+#include <QVulkanInstance>
+#endif
+
 QT_BEGIN_NAMESPACE
 class QImage;
+class QQuickWindow;
 class QSize;
 QT_END_NAMESPACE
 
@@ -31,6 +37,7 @@ public:
     enum class Type {
         Software,
         OpenGL,
+        Vulkan,
     };
 
     // Identifies a compositor.
@@ -139,6 +146,17 @@ public:
     // (OpenGL) Texture of the frame.
     virtual int textureId();
 
+#if QT_CONFIG(webengine_vulkan)
+    // (Vulkan) VkImage of the frame.
+    virtual VkImage vkImage(QQuickWindow *win);
+
+    // (Vulkan) Layout for vkImage().
+    virtual VkImageLayout vkImageLayout();
+
+    // (Vulkan) Release Vulkan resources created by Qt's Vulkan instance.
+    virtual void releaseVulkanResources(QQuickWindow *win);
+#endif
+
 protected:
     Compositor(Type type) : m_type(type) { }
     virtual ~Compositor() { if (m_binding) unbind(); }