aw: Refactor hardware init

android_webview/browser/scoped_app_gl_state_restore.h

 // Copyright 2013 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.
 
 #include <vector>
 
 #include "base/basictypes.h"
-#include "ui/gl/gl_bindings.h"
+#include "base/memory/scoped_ptr.h"
 
 namespace gfx {
 class GLContext;
 }
 
 namespace android_webview {
 
+namespace internal {
+class ScopedAppGLStateRestoreImpl;
+}
+
 // This class is not thread safe and should only be used on the UI thread.
 class ScopedAppGLStateRestore {
  public:
   enum CallMode {
     MODE_DRAW,
     MODE_RESOURCE_MANAGEMENT,
   };
 
   ScopedAppGLStateRestore(CallMode mode);
   ~ScopedAppGLStateRestore();
 
-  bool stencil_enabled() const { return stencil_test_; }
-  GLint framebuffer_binding_ext() const { return framebuffer_binding_ext_; }
+  bool stencil_enabled() const;
+  int framebuffer_binding_ext() const;
 
  private:
-  const CallMode mode_;
-
-  GLint pack_alignment_;
-  GLint unpack_alignment_;
-
-  struct {
-    GLint enabled;
-    GLint size;
-    GLint type;
-    GLint normalized;
-    GLint stride;
-    GLvoid* pointer;
-    GLint vertex_attrib_array_buffer_binding;
-    GLfloat current_vertex_attrib[4];
-  } vertex_attrib_[3];
-
-  GLint vertex_array_buffer_binding_;
-  GLint index_array_buffer_binding_;
-
-  GLboolean depth_test_;
-  GLboolean cull_face_;
-  GLint cull_face_mode_;
-  GLboolean color_mask_[4];
-  GLfloat color_clear_[4];
-  GLfloat depth_clear_;
-  GLint current_program_;
-  GLint depth_func_;
-  GLboolean depth_mask_;
-  GLfloat depth_rage_[2];
-  GLint front_face_;
-  GLint hint_generate_mipmap_;
-  GLfloat line_width_;
-  GLfloat polygon_offset_factor_;
-  GLfloat polygon_offset_units_;
-  GLfloat sample_coverage_value_;
-  GLboolean sample_coverage_invert_;
-
-  GLboolean enable_dither_;
-  GLboolean enable_polygon_offset_fill_;
-  GLboolean enable_sample_alpha_to_coverage_;
-  GLboolean enable_sample_coverage_;
-
-  // Not saved/restored in MODE_DRAW.
-  GLboolean blend_enabled_;
-  GLint blend_src_rgb_;
-  GLint blend_src_alpha_;
-  GLint blend_dest_rgb_;
-  GLint blend_dest_alpha_;
-  GLint active_texture_;
-  GLint viewport_[4];
-  GLboolean scissor_test_;
-  GLint scissor_box_[4];
-
-  GLboolean stencil_test_;
-  GLint stencil_func_;
-  GLint stencil_mask_;
-  GLint stencil_ref_;
-
-  GLint framebuffer_binding_ext_;
-
-  struct TextureBindings {
-    GLint texture_2d;
-    GLint texture_cube_map;
-    GLint texture_external_oes;
-    // TODO(boliu): TEXTURE_RECTANGLE_ARB
-  };
-
-  std::vector<TextureBindings> texture_bindings_;
-
-  GLint vertex_array_bindings_oes_;
+  scoped_ptr<internal::ScopedAppGLStateRestoreImpl> impl_;
 
   DISALLOW_COPY_AND_ASSIGN(ScopedAppGLStateRestore);
 };
 
 }  // namespace android_webview