1 files changed, 106 insertions, 0 deletions
diff --git a/ui/gl/gl_surface_egl.h b/ui/gl/gl_surface_egl.h
new file mode 100644
index 0000000..423ef06
--- /dev/null
+++ b/ui/gl/gl_surface_egl.h
@@ -0,0 +1,106 @@
+// 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_EGL_H_
+#define UI_GL_GL_SURFACE_EGL_H_
+#pragma once
+
+#if defined(OS_WIN)
+#include <windows.h>
+#endif
+
+#include "base/compiler_specific.h"
+#include "ui/gfx/native_widget_types.h"
+#include "ui/gfx/size.h"
+#include "ui/gl/gl_surface.h"
+
+typedef void* EGLConfig;
+typedef void* EGLDisplay;
+typedef void* EGLSurface;
+
+#if defined(OS_ANDROID)
+typedef void* EGLNativeDisplayType;
+#elif defined(OS_WIN)
+typedef HDC EGLNativeDisplayType;
+#else
+typedef struct _XDisplay* EGLNativeDisplayType;
+#endif
+
+namespace gfx {
+
+// Interface for EGL surface.
+class GL_EXPORT GLSurfaceEGL : public GLSurface {
+ public:
+  GLSurfaceEGL();
+  virtual ~GLSurfaceEGL();
+
+  // Implement GLSurface.
+  virtual EGLDisplay GetDisplay() OVERRIDE;
+  virtual EGLConfig GetConfig() OVERRIDE;
+
+  static bool InitializeOneOff();
+  static EGLDisplay GetHardwareDisplay();
+  static EGLDisplay GetSoftwareDisplay();
+  static EGLNativeDisplayType GetNativeDisplay();
+
+ protected:
+  bool software_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(GLSurfaceEGL);
+};
+
+// Encapsulates an EGL surface bound to a view.
+class NativeViewGLSurfaceEGL : public GLSurfaceEGL {
+ public:
+  NativeViewGLSurfaceEGL(bool software, gfx::AcceleratedWidget window);
+  virtual ~NativeViewGLSurfaceEGL();
+
+  // Implement GLSurface.
+  virtual bool Initialize() OVERRIDE;
+  virtual void Destroy() OVERRIDE;
+  virtual bool IsOffscreen() OVERRIDE;
+  virtual bool SwapBuffers() OVERRIDE;
+  virtual gfx::Size GetSize() OVERRIDE;
+  virtual EGLSurface GetHandle() OVERRIDE;
+  virtual std::string GetExtensions() OVERRIDE;
+  virtual bool PostSubBuffer(int x, int y, int width, int height) OVERRIDE;
+
+ protected:
+  void SetHandle(EGLSurface surface);
+
+ private:
+  gfx::AcceleratedWidget window_;
+  EGLSurface surface_;
+  bool supports_post_sub_buffer_;
+
+  DISALLOW_COPY_AND_ASSIGN(NativeViewGLSurfaceEGL);
+};
+
+// Encapsulates a pbuffer EGL surface.
+class GL_EXPORT PbufferGLSurfaceEGL : public GLSurfaceEGL {
+ public:
+  PbufferGLSurfaceEGL(bool software, const gfx::Size& size);
+  virtual ~PbufferGLSurfaceEGL();
+
+  // Implement GLSurface.
+  virtual bool Initialize() OVERRIDE;
+  virtual void Destroy() OVERRIDE;
+  virtual bool IsOffscreen() OVERRIDE;
+  virtual bool SwapBuffers() OVERRIDE;
+  virtual gfx::Size GetSize() OVERRIDE;
+  virtual bool Resize(const gfx::Size& size) OVERRIDE;
+  virtual EGLSurface GetHandle() OVERRIDE;
+  virtual void* GetShareHandle() OVERRIDE;
+
+ private:
+  gfx::Size size_;
+  EGLSurface surface_;
+
+  DISALLOW_COPY_AND_ASSIGN(PbufferGLSurfaceEGL);
+};
+
+}  // namespace gfx
+
+#endif  // UI_GL_GL_SURFACE_EGL_H_