Index: ui/gfx/ozone/surface_ozone.h |
diff --git a/ui/gfx/ozone/surface_ozone.h b/ui/gfx/ozone/surface_ozone.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..f2f5b5b37f8040a177c8aafdab5106164a7a67d8 |
--- /dev/null |
+++ b/ui/gfx/ozone/surface_ozone.h |
@@ -0,0 +1,75 @@ |
+// Copyright 2014 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_GFX_OZONE_EGL_SURFACE_OZONE_H_ |
+#define UI_GFX_OZONE_EGL_SURFACE_OZONE_H_ |
+ |
+#include "base/basictypes.h" |
+#include "base/memory/scoped_ptr.h" |
+#include "ui/gfx/gfx_export.h" |
+ |
+class SkCanvas; |
+ |
+namespace gfx { |
+ |
+class Rect; |
+class VSyncProvider; |
+ |
+// The platform-specific part of a EGL or software surface. |
+// |
+// This class owns any bits that the ozone implementation needs freed when |
+// the software output or EGL surface is destroyed. |
+// |
+// If you want to paint on a window with ozone, you need to create a |
+// SurfaceOzone for that window. |
+// |
+// The platform can support software, EGL, or both for painting on the |
+// window. It is not necessary to override any methods for modes the |
+// platform doesn't support, as the base class will fails initialization |
rjkroege
2014/03/24 16:07:04
nit: "fails initialization" is weird grammar.
spang
2014/03/24 16:42:11
Done.
|
+// for all modes. |
+class GFX_EXPORT SurfaceOzone { |
+ public: |
+ SurfaceOzone(); |
+ virtual ~SurfaceOzone(); |
+ |
+ // Initialize the surface for output using EGL/GLES2. Returns true if |
+ // initialization was successful. |
+ virtual bool InitializeEGL(); |
+ |
+ // Returns the EGL native window for rendering onto this surface. |
+ // can be used to to create a GLSurface. This method may only be called in |
+ // a process that has a valid GL context. |
+ virtual intptr_t /* EGLNativeWindowType */ GetEGLNativeWindow(); |
+ |
+ // Initialize canvas for software output. Returns true of initialization |
rjkroege
2014/03/24 16:07:04
s/of/if/
spang
2014/03/24 16:42:11
Done.
|
+ // was successful. |
+ virtual bool InitializeCanvas(); |
+ |
+ // Returns a SkCanvas for the backing buffers. Drawing to the canvas will draw |
rjkroege
2014/03/24 16:07:04
For better compatibility with Skia, the long term
spang
2014/03/24 16:42:11
Agreed, let's break the API slightly more now to a
spang
2014/03/26 19:02:10
I've coordinated with dnicoara to update the API h
|
+ // to the native surface. The canvas is intended for use when no EGL |
+ // acceleration is possible. Its implementation is optional when an EGL |
+ // backend is provided for rendering. |
+ virtual SkCanvas* GetCanvas(); |
+ |
+ // Attempts to resize the canvas to match the viewport size. Returns true if |
+ // resizing was successful, otherwise false (native hardware may only support |
+ // a single fixed size). If successful, you must call GetCanvas() again. |
+ virtual bool ResizeCanvas(const gfx::Rect& viewport_size); |
+ |
+ // Swap buffers in the SkCanvas. This back buffer becomes the new front |
rjkroege
2014/03/24 16:07:04
This too needs to be adjusted to reflect the "two
spang
2014/03/26 19:02:10
Done.
|
+ // buffer and is presented, and the front buffer becomes the back buffer |
+ // for subsequent draw operations. |
+ virtual bool SwapCanvas(); |
rjkroege
2014/03/24 16:07:04
Ozone will need to intercept SwapBuffers from EGL
spang
2014/03/24 16:42:11
We can add [On]SwapBuffersEGL(void *display, void
rjkroege
2014/03/24 20:23:15
that sounds reasonable.
|
+ |
+ // Returns a gfx::VsyncProvider for the provided AcceleratedWidget. Note |
+ // that this may be called after we have entered the sandbox so if there are |
+ // operations (e.g. opening a file descriptor providing vsync events) that |
+ // must be done outside of the sandbox, they must have been completed |
+ // in InitializeHardware. Returns an empty scoped_ptr on error. |
+ virtual scoped_ptr<gfx::VSyncProvider> CreateVSyncProvider(); |
+}; |
+ |
+} // namespace gfx |
+ |
+#endif // UI_GFX_OZONE_SURFACE_OZONE_H_ |