Add a new command buffer function glScheduleCALayerInUseQueryCHROMIUM.

ui/gl/gl_surface.h

 // Copyright (c) 2012 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.
 
 #ifndef UI_GL_GL_SURFACE_H_
 #define UI_GL_GL_SURFACE_H_
 
 #include <string>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "build/build_config.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/rect_f.h"
 #include "ui/gfx/geometry/size.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/overlay_transform.h"
 #include "ui/gfx/swap_result.h"
 #include "ui/gl/gl_export.h"
+#include "ui/gl/gl_image.h"
 #include "ui/gl/gl_implementation.h"
 
 namespace gfx {
 class Transform;
 class VSyncProvider;
 }
 
 namespace gl {
 
 class GLContext;
-class GLImage;
 
 // Encapsulates a surface that can be rendered to with GL, hiding platform
 // specific management.
 class GL_EXPORT GLSurface : public base::RefCounted<GLSurface> {
  public:
   GLSurface();
 
   // Minimum bit depth of surface.
   enum Format {
     SURFACE_ARGB8888,
@@ skipping 135 matching lines @@
                                const gfx::RectF& contents_rect,
                                float opacity,
                                unsigned background_color,
                                unsigned edge_aa_mask,
                                const gfx::RectF& rect,
                                bool is_clipped,
                                const gfx::RectF& clip_rect,
                                const gfx::Transform& transform,
                                int sorting_content_id,
                                unsigned filter);
+  struct GL_EXPORT CALayerInUseQuery {
+    CALayerInUseQuery();
+    explicit CALayerInUseQuery(const CALayerInUseQuery&);
+    ~CALayerInUseQuery();
+    unsigned texture = 0;
+    scoped_refptr<GLImage> image;
+  };
+  virtual void ScheduleCALayerInUseQuery(
+      std::vector<CALayerInUseQuery> queries);
 
   virtual bool IsSurfaceless() const;
 
   virtual bool FlipsVertically() const;
 
   // Returns true if SwapBuffers or PostSubBuffers causes a flip, such that
   // the next buffer may be 2 frames old.
   virtual bool BuffersFlipped() const;
 
   static GLSurface* GetCurrent();
@@ skipping 76 matching lines @@
 
 // Wraps GLSurface in scoped_refptr and tries to initializes it. Returns a
 // scoped_refptr containing the initialized GLSurface or nullptr if
 // initialization fails.
 GL_EXPORT scoped_refptr<GLSurface> InitializeGLSurface(
     scoped_refptr<GLSurface> surface);
 
 }  // namespace gl
 
 #endif  // UI_GL_GL_SURFACE_H_