Rework painting integration and support Metal RHI over ANGLE

Move graphics details into compositor, and add support for a native
buffer mode uses ANGLE on the Chromium side.

The initially support is for Metal.

Pick-to: 6.5
Fixes: QTBUG-112282
Task-number: QTBUG-112280
Change-Id: I066ba1d3e72508e047d259ae5797659d45335fb2
Reviewed-by: Peter Varga <pvarga@inf.u-szeged.hu>

1 files changed, 6 insertions, 15 deletions

diff --git a/src/core/compositor/compositor.cpp b/src/core/compositor/compositor.cpp
index fed395cb1..c147f988b 100644
--- a/src/core/compositor/compositor.cpp
+++ b/src/core/compositor/compositor.cpp
@@ -137,36 +137,27 @@ Compositor::Handle<Compositor::Observer> Compositor::observer()
     return nullptr;
 }
 
-QImage Compositor::image()
-{
-    Q_UNREACHABLE();
-    return {};
-}
-
 void Compositor::waitForTexture()
 {
-    Q_UNREACHABLE();
 }
 
-int Compositor::textureId()
+void Compositor::releaseTexture()
 {
-    Q_UNREACHABLE();
-    return 0;
 }
 
-#if QT_CONFIG(webengine_vulkan)
-VkImage Compositor::vkImage(QQuickWindow *)
+QSGTexture *Compositor::texture(QQuickWindow *, uint32_t textureOptions)
 {
     Q_UNREACHABLE();
-    return {};
+    return nullptr;
 }
 
-VkImageLayout Compositor::vkImageLayout()
+bool Compositor::textureIsFlipped()
 {
     Q_UNREACHABLE();
-    return {};
+    return false;
 }
 
+#if QT_CONFIG(webengine_vulkan)
 void Compositor::releaseVulkanResources(QQuickWindow *)
 {
     Q_UNREACHABLE();