Support swap damage rect using eglSwapBuffersWithDamageKHR

ui/ozone/platform/cast/gl_surface_cast.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/ozone/platform/cast/gl_surface_cast.h"
 
 #include "ui/ozone/common/egl_util.h"
 #include "ui/ozone/platform/cast/surface_factory_cast.h"
 
 namespace ui {
 
 GLSurfaceCast::GLSurfaceCast(gfx::AcceleratedWidget widget,
                              SurfaceFactoryCast* parent)
     : NativeViewGLSurfaceEGL(parent->GetNativeWindow()),
       widget_(widget),
       parent_(parent) {
   DCHECK(parent_);
 }
 
 gfx::SwapResult GLSurfaceCast::SwapBuffers() {
   gfx::SwapResult result = NativeViewGLSurfaceEGL::SwapBuffers();
   if (result == gfx::SwapResult::SWAP_ACK)
     parent_->OnSwapBuffers();
 
   return result;
 }
 
+gfx::SwapResult GLSurfaceCast::SwapBuffersWithDamage(int x,
+                                                     int y,
+                                                     int width,
+                                                     int height) {
+  gfx::SwapResult result =
+      NativeViewGLSurfaceEGL::SwapBuffersWithDamage(x, y, width, height);
+  if (result == gfx::SwapResult::SWAP_ACK)
+    parent_->OnSwapBuffers();
+
+  return result;
+}
+
 bool GLSurfaceCast::Resize(const gfx::Size& size,
                            float scale_factor,
                            bool has_alpha) {
   return parent_->ResizeDisplay(size) &&
          NativeViewGLSurfaceEGL::Resize(size, scale_factor, has_alpha);
 }
 
 bool GLSurfaceCast::ScheduleOverlayPlane(int z_order,
                                          gfx::OverlayTransform transform,
                                          gl::GLImage* image,
@@ skipping 24 matching lines @@
   }
   return config_;
 }
 
 GLSurfaceCast::~GLSurfaceCast() {
   Destroy();
   parent_->ChildDestroyed();
 }
 
 }  // namespace ui