Make SkOSWindow return the sample count and stencil bit count for its GL context.

include/views/SkOSWindow_Win.h

 
 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #ifndef SkOSWindow_Win_DEFINED
@@ skipping 19 matching lines @@
     enum SkBackEndTypes {
         kNone_BackEndType,
 #if SK_SUPPORT_GPU
         kNativeGL_BackEndType,
 #if SK_ANGLE
         kANGLE_BackEndType,
 #endif // SK_ANGLE
 #endif // SK_SUPPORT_GPU
     };
 
-    bool attach(SkBackEndTypes attachType, int msaaSampleCount);
+    struct AttachmentInfo {
+        int fSampleCount;
+        int fStencilBits;
+    };
+
+    bool attach(SkBackEndTypes attachType, int msaaSampleCount, AttachmentInfo*);
     void detach();
     void present();
 
     bool wndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
     static bool QuitOnDeactivate(HWND hWnd);
 
     enum {
         SK_WM_SkEvent = WM_APP + 1000,
         SK_WM_SkTimerID = 0xFFFF    // just need a non-zero value
     };
@@ skipping 12 matching lines @@
     void*               fHWND;
 
     void                doPaint(void* ctx);
 
 #if SK_SUPPORT_GPU
     void*               fHGLRC;
 #if SK_ANGLE
     EGLDisplay          fDisplay;
     EGLContext          fContext;
     EGLSurface          fSurface;
+    EGLConfig           fConfig;
 #endif // SK_ANGLE
 #endif // SK_SUPPORT_GPU
 
     HMENU               fMBar;
 
     SkBackEndTypes      fAttached;
 
 #if SK_SUPPORT_GPU
-    bool attachGL(int msaaSampleCount);
+    bool attachGL(int msaaSampleCount, AttachmentInfo* info);
     void detachGL();
     void presentGL();
 
 #if SK_ANGLE
-    bool attachANGLE(int msaaSampleCount);
+    bool attachANGLE(int msaaSampleCount, AttachmentInfo* info);
     void detachANGLE();
     void presentANGLE();
 #endif // SK_ANGLE
 #endif // SK_SUPPORT_GPU
 
     typedef SkWindow INHERITED;
 };
 
 #endif