Virtual GL

ui/gl/gl_context.h

Index: ui/gl/gl_context.h
diff --git a/ui/gl/gl_context.h b/ui/gl/gl_context.h
index 27a1a786d2727340932ca03c59952c8709b9aa40..365c76d6947c14074aa6fa39589cfd60a909d5dd 100644
--- a/ui/gl/gl_context.h
+++ b/ui/gl/gl_context.h
@@ -9,12 +9,19 @@
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
 #include "ui/gl/gl_share_group.h"
 #include "ui/gl/gpu_preference.h"
 
+namespace gpu {
+namespace gles2 {
+class GLES2Decoder;
+}
+}
 namespace gfx {
 
 class GLSurface;
+class VirtualGLApi;
 
 // Encapsulates an OpenGL context, hiding platform specific management.
 class GL_EXPORT GLContext : public base::RefCounted<GLContext> {
@@ -44,6 +51,9 @@ class GL_EXPORT GLContext : public base::RefCounted<GLContext> {
   // Get the underlying platform specific GL context "handle".
   virtual void* GetHandle() = 0;
 
+  // Gets the decoder for the context.
+  virtual const gpu::gles2::GLES2Decoder* GetDecoder();
+
   // Set swap interval. This context must be current.
   virtual void SetSwapInterval(int interval) = 0;
 
@@ -75,8 +85,17 @@ class GL_EXPORT GLContext : public base::RefCounted<GLContext> {
 
   virtual bool WasAllocatedUsingRobustnessExtension();
 
+  // Use this context for virtualization.
+  void SetupForVirtualization();
+
+  // Make this context current when used for context virtualization.
+  bool MakeVirtuallyCurrent(GLContext* virutal_context, GLSurface* surface);
+
  protected:
   virtual ~GLContext();
+
+  // Sets the GL api to the real hardware API (vs the VirtualAPI)
+  static void SetRealGLApi();
   static void SetCurrent(GLContext* context, GLSurface* surface);
 
   // Initialize function pointers to extension functions in the GL
@@ -88,6 +107,7 @@ class GL_EXPORT GLContext : public base::RefCounted<GLContext> {
   friend class base::RefCounted<GLContext>;
 
   scoped_refptr<GLShareGroup> share_group_;
+  scoped_ptr<VirtualGLApi> virtual_gl_api_;
 
   DISALLOW_COPY_AND_ASSIGN(GLContext);
 };