Add support for shared texture and external BeginFrame in OSR mode (issue #1006)

- Add CefWindowInfo::shared_texture_enabled and
  CefRenderHandler::OnAcceleratedPaint for shared texture support. Currently
  only supported on Windows (D3D11).
- Add CefWindowInfo::external_begin_frame_enabled and
  CefBrowserHost::SendExternalBeginFrame for external begin frame support.

libcef_dll/cpptoc/browser_host_cpptoc.cc

@@ -9,7 +9,7 @@
 // implementations. See the translator.README.txt file in the tools directory
 // for more information.
 //
-// $hash=099ec6c9deac65288a47cec317ab6b355e707179$
+// $hash=2357c186875d3086fa4931a3ac8346d866cab1e3$
 //
 
 #include "libcef_dll/cpptoc/browser_host_cpptoc.h"
@@ -615,6 +615,18 @@ void CEF_CALLBACK browser_host_invalidate(struct _cef_browser_host_t* self,
   CefBrowserHostCppToC::Get(self)->Invalidate(type);
 }
 
+void CEF_CALLBACK
+browser_host_send_external_begin_frame(struct _cef_browser_host_t* self) {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  DCHECK(self);
+  if (!self)
+    return;
+
+  // Execute
+  CefBrowserHostCppToC::Get(self)->SendExternalBeginFrame();
+}
+
 void CEF_CALLBACK
 browser_host_send_key_event(struct _cef_browser_host_t* self,
                             const struct _cef_key_event_t* event) {
@@ -1111,6 +1123,8 @@ CefBrowserHostCppToC::CefBrowserHostCppToC() {
   GetStruct()->notify_screen_info_changed =
       browser_host_notify_screen_info_changed;
   GetStruct()->invalidate = browser_host_invalidate;
+  GetStruct()->send_external_begin_frame =
+      browser_host_send_external_begin_frame;
   GetStruct()->send_key_event = browser_host_send_key_event;
   GetStruct()->send_mouse_click_event = browser_host_send_mouse_click_event;
   GetStruct()->send_mouse_move_event = browser_host_send_mouse_move_event;

libcef_dll/cpptoc/render_handler_cpptoc.cc

@@ -9,7 +9,7 @@
 // implementations. See the translator.README.txt file in the tools directory
 // for more information.
 //
-// $hash=6cf6466ab2a1b87a1b57b5994aab64992b9f12dd$
+// $hash=8df4ed4bd6e80bd90fb9563a021a59848fc40ecc$
 //
 
 #include "libcef_dll/cpptoc/render_handler_cpptoc.h"
@@ -266,6 +266,45 @@ void CEF_CALLBACK render_handler_on_paint(struct _cef_render_handler_t* self,
                                              width, height);
 }
 
+void CEF_CALLBACK
+render_handler_on_accelerated_paint(struct _cef_render_handler_t* self,
+                                    cef_browser_t* browser,
+                                    cef_paint_element_type_t type,
+                                    size_t dirtyRectsCount,
+                                    cef_rect_t const* dirtyRects,
+                                    void* shared_handle) {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  DCHECK(self);
+  if (!self)
+    return;
+  // Verify param: browser; type: refptr_diff
+  DCHECK(browser);
+  if (!browser)
+    return;
+  // Verify param: dirtyRects; type: simple_vec_byref_const
+  DCHECK(dirtyRectsCount == 0 || dirtyRects);
+  if (dirtyRectsCount > 0 && !dirtyRects)
+    return;
+  // Verify param: shared_handle; type: simple_byaddr
+  DCHECK(shared_handle);
+  if (!shared_handle)
+    return;
+
+  // Translate param: dirtyRects; type: simple_vec_byref_const
+  std::vector<CefRect> dirtyRectsList;
+  if (dirtyRectsCount > 0) {
+    for (size_t i = 0; i < dirtyRectsCount; ++i) {
+      CefRect dirtyRectsVal = dirtyRects[i];
+      dirtyRectsList.push_back(dirtyRectsVal);
+    }
+  }
+
+  // Execute
+  CefRenderHandlerCppToC::Get(self)->OnAcceleratedPaint(
+      CefBrowserCToCpp::Wrap(browser), type, dirtyRectsList, shared_handle);
+}
+
 void CEF_CALLBACK render_handler_on_cursor_change(
     struct _cef_render_handler_t* self,
     cef_browser_t* browser,
@@ -444,6 +483,7 @@ CefRenderHandlerCppToC::CefRenderHandlerCppToC() {
   GetStruct()->on_popup_show = render_handler_on_popup_show;
   GetStruct()->on_popup_size = render_handler_on_popup_size;
   GetStruct()->on_paint = render_handler_on_paint;
+  GetStruct()->on_accelerated_paint = render_handler_on_accelerated_paint;
   GetStruct()->on_cursor_change = render_handler_on_cursor_change;
   GetStruct()->start_dragging = render_handler_start_dragging;
   GetStruct()->update_drag_cursor = render_handler_update_drag_cursor;

libcef_dll/ctocpp/browser_host_ctocpp.cc

@@ -9,7 +9,7 @@
 // implementations. See the translator.README.txt file in the tools directory
 // for more information.
 //
-// $hash=9a1691bbc0a509032dd60b463189dd1eb0f6cc4d$
+// $hash=5d699bfd2e9f2d689a5bca3372563b1578fa1ba1$
 //
 
 #include "libcef_dll/ctocpp/browser_host_ctocpp.h"
@@ -557,6 +557,17 @@ void CefBrowserHostCToCpp::Invalidate(PaintElementType type) {
   _struct->invalidate(_struct, type);
 }
 
+NO_SANITIZE("cfi-icall") void CefBrowserHostCToCpp::SendExternalBeginFrame() {
+  cef_browser_host_t* _struct = GetStruct();
+  if (CEF_MEMBER_MISSING(_struct, send_external_begin_frame))
+    return;
+
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  // Execute
+  _struct->send_external_begin_frame(_struct);
+}
+
 NO_SANITIZE("cfi-icall")
 void CefBrowserHostCToCpp::SendKeyEvent(const CefKeyEvent& event) {
   cef_browser_host_t* _struct = GetStruct();

libcef_dll/ctocpp/browser_host_ctocpp.h

@@ -9,7 +9,7 @@
 // implementations. See the translator.README.txt file in the tools directory
 // for more information.
 //
-// $hash=39ab8db08e667fac8e6dccffaa99935d8aa7d4b5$
+// $hash=0a61852aa1a8c8c808e9d2258e09a0fa341056e0$
 //
 
 #ifndef CEF_LIBCEF_DLL_CTOCPP_BROWSER_HOST_CTOCPP_H_
@@ -86,6 +86,7 @@ class CefBrowserHostCToCpp : public CefCToCppRefCounted<CefBrowserHostCToCpp,
   void WasHidden(bool hidden) OVERRIDE;
   void NotifyScreenInfoChanged() OVERRIDE;
   void Invalidate(PaintElementType type) OVERRIDE;
+  void SendExternalBeginFrame() OVERRIDE;
   void SendKeyEvent(const CefKeyEvent& event) OVERRIDE;
   void SendMouseClickEvent(const CefMouseEvent& event,
                            MouseButtonType type,

libcef_dll/ctocpp/render_handler_ctocpp.cc

@@ -9,7 +9,7 @@
 // implementations. See the translator.README.txt file in the tools directory
 // for more information.
 //
-// $hash=db89496c825cdc7fe1eaa4b7822d8492ae3a3f23$
+// $hash=3c149c932cf4ebd4b2b8c81102851ebd1d6c1d63$
 //
 
 #include "libcef_dll/ctocpp/render_handler_ctocpp.h"
@@ -204,6 +204,48 @@ void CefRenderHandlerCToCpp::OnPaint(CefRefPtr<CefBrowser> browser,
     delete[] dirtyRectsList;
 }
 
+NO_SANITIZE("cfi-icall")
+void CefRenderHandlerCToCpp::OnAcceleratedPaint(CefRefPtr<CefBrowser> browser,
+                                                PaintElementType type,
+                                                const RectList& dirtyRects,
+                                                void* shared_handle) {
+  cef_render_handler_t* _struct = GetStruct();
+  if (CEF_MEMBER_MISSING(_struct, on_accelerated_paint))
+    return;
+
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  // Verify param: browser; type: refptr_diff
+  DCHECK(browser.get());
+  if (!browser.get())
+    return;
+  // Verify param: shared_handle; type: simple_byaddr
+  DCHECK(shared_handle);
+  if (!shared_handle)
+    return;
+
+  // Translate param: dirtyRects; type: simple_vec_byref_const
+  const size_t dirtyRectsCount = dirtyRects.size();
+  cef_rect_t* dirtyRectsList = NULL;
+  if (dirtyRectsCount > 0) {
+    dirtyRectsList = new cef_rect_t[dirtyRectsCount];
+    DCHECK(dirtyRectsList);
+    if (dirtyRectsList) {
+      for (size_t i = 0; i < dirtyRectsCount; ++i) {
+        dirtyRectsList[i] = dirtyRects[i];
+      }
+    }
+  }
+
+  // Execute
+  _struct->on_accelerated_paint(_struct, CefBrowserCppToC::Wrap(browser), type,
+                                dirtyRectsCount, dirtyRectsList, shared_handle);
+
+  // Restore param:dirtyRects; type: simple_vec_byref_const
+  if (dirtyRectsList)
+    delete[] dirtyRectsList;
+}
+
 NO_SANITIZE("cfi-icall")
 void CefRenderHandlerCToCpp::OnCursorChange(
     CefRefPtr<CefBrowser> browser,

libcef_dll/ctocpp/render_handler_ctocpp.h

@@ -9,7 +9,7 @@
 // implementations. See the translator.README.txt file in the tools directory
 // for more information.
 //
-// $hash=46dd8560076264a776129a02ba11e2c2f56bf209$
+// $hash=2f19b04733f565830f873853695e9163086a8ee0$
 //
 
 #ifndef CEF_LIBCEF_DLL_CTOCPP_RENDER_HANDLER_CTOCPP_H_
@@ -52,6 +52,10 @@ class CefRenderHandlerCToCpp
                const void* buffer,
                int width,
                int height) override;
+  void OnAcceleratedPaint(CefRefPtr<CefBrowser> browser,
+                          PaintElementType type,
+                          const RectList& dirtyRects,
+                          void* shared_handle) override;
   void OnCursorChange(CefRefPtr<CefBrowser> browser,
                       CefCursorHandle cursor,
                       CursorType type,