Upstream version 10.39.225.0

[platform/framework/web/crosswalk.git] / src / content / browser / renderer_host / compositing_iosurface_context_mac.h

diff --git a/src/content/browser/renderer_host/compositing_iosurface_context_mac.h b/src/content/browser/renderer_host/compositing_iosurface_context_mac.h
index 84ffc63..5468da2 100644 (file)
--- a/src/content/browser/renderer_host/compositing_iosurface_context_mac.h
+++ b/src/content/browser/renderer_host/compositing_iosurface_context_mac.h
@@ -14,50 +14,57 @@
 #include "base/mac/scoped_nsobject.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
+#include "content/public/browser/gpu_data_manager_observer.h"
+#include "ui/gl/scoped_cgl.h"
 
 namespace content {
 
-class CompositingIOSurfaceShaderPrograms;
-
 class CompositingIOSurfaceContext
-    : public base::RefCounted<CompositingIOSurfaceContext> {
+    : public base::RefCounted<CompositingIOSurfaceContext>,
+      public content::GpuDataManagerObserver {
  public:
+  enum {
+    // The number used to look up the context used for async readback and for
+    // initializing the IOSurface.
+    kOffscreenContextWindowNumber = -2,
+    // The number used to look up the context used by CAOpenGLLayers.
+    kCALayerContextWindowNumber = -3,
+  };
+
   // Get or create a GL context for the specified window with the specified
   // surface ordering. Share these GL contexts as much as possible because
   // creating and destroying them can be expensive
   // http://crbug.com/180463
   static scoped_refptr<CompositingIOSurfaceContext> Get(int window_number);
 
-  // Mark that all the currently existing GL contexts shouldn't be returned
-  // anymore by Get, but rather, new contexts should be created. This is
-  // called as a precaution when unexpected GL errors occur.
-  static void MarkExistingContextsAsNotShareable();
+  // Mark that all the GL contexts in the same sharegroup as this context as
+  // invalid, so they shouldn't be returned anymore by Get, but rather, new
+  // contexts should be created. This is called as a precaution when unexpected
+  // GL errors occur.
+  void PoisonContextAndSharegroup();
+  bool HasBeenPoisoned() const { return poisoned_; }
 
-  CompositingIOSurfaceShaderPrograms* shader_program_cache() const {
-    return shader_program_cache_.get();
-  }
-  NSOpenGLContext* nsgl_context() const { return nsgl_context_; }
   CGLContextObj cgl_context() const { return cgl_context_; }
-  bool is_vsync_disabled() const { return is_vsync_disabled_; }
   int window_number() const { return window_number_; }
 
+  // content::GpuDataManagerObserver implementation.
+  virtual void OnGpuSwitching() OVERRIDE;
+
  private:
   friend class base::RefCounted<CompositingIOSurfaceContext>;
 
   CompositingIOSurfaceContext(
       int window_number,
-      NSOpenGLContext* nsgl_context,
-      CGLContextObj clg_context,
-      bool is_vsync_disabled_,
-      scoped_ptr<CompositingIOSurfaceShaderPrograms> shader_program_cache);
-  ~CompositingIOSurfaceContext();
+      base::ScopedTypeRef<CGLContextObj> clg_context_strong,
+      CGLContextObj clg_context);
+  virtual ~CompositingIOSurfaceContext();
 
   int window_number_;
-  base::scoped_nsobject<NSOpenGLContext> nsgl_context_;
-  CGLContextObj cgl_context_; // weak, backed by |nsgl_context_|
-  bool is_vsync_disabled_;
-  scoped_ptr<CompositingIOSurfaceShaderPrograms> shader_program_cache_;
-  bool can_be_shared_;
+  base::ScopedTypeRef<CGLContextObj> cgl_context_strong_;
+  // Weak, backed by |cgl_context_strong_|.
+  CGLContextObj cgl_context_;
+
+  bool poisoned_;
 
   // The global map from window number and window ordering to
   // context data.