ui: Move gl/ directory out of gfx/, up to ui/.

ui/gfx/gl/gl_surface_osmesa.cc

-// 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.
-
-#include "ui/gfx/gl/gl_surface_osmesa.h"
-#include "base/logging.h"
-#include "ui/gfx/gl/gl_bindings.h"
-#include "ui/gfx/gl/gl_context.h"
-
-namespace gfx {
-
-GLSurfaceOSMesa::GLSurfaceOSMesa(unsigned format, const gfx::Size& size)
-    : format_(format),
-      size_(size) {
-}
-
-bool GLSurfaceOSMesa::Initialize() {
-  return Resize(size_);
-}
-
-void GLSurfaceOSMesa::Destroy() {
-  buffer_.reset();
-}
-
-bool GLSurfaceOSMesa::Resize(const gfx::Size& new_size) {
-  GLContext* current_context = GLContext::GetCurrent();
-  bool was_current = current_context && current_context->IsCurrent(this);
-  if (was_current)
-    current_context->ReleaseCurrent(this);
-
-  // Preserve the old buffer.
-  scoped_array<int32> old_buffer(buffer_.release());
-
-  // Allocate a new one.
-  buffer_.reset(new int32[new_size.GetArea()]);
-  memset(buffer_.get(), 0, new_size.GetArea() * sizeof(buffer_[0]));
-
-  // Copy the old back buffer into the new buffer.
-  if (old_buffer.get()) {
-    int copy_width = std::min(size_.width(), new_size.width());
-    int copy_height = std::min(size_.height(), new_size.height());
-    for (int y = 0; y < copy_height; ++y) {
-      for (int x = 0; x < copy_width; ++x) {
-        buffer_[y * new_size.width() + x] = old_buffer[y * size_.width() + x];
-      }
-    }
-  }
-
-  size_ = new_size;
-
-  if (was_current)
-    return current_context->MakeCurrent(this);
-
-  return true;
-}
-
-bool GLSurfaceOSMesa::IsOffscreen() {
-  return true;
-}
-
-bool GLSurfaceOSMesa::SwapBuffers() {
-  NOTREACHED() << "Should not call SwapBuffers on an GLSurfaceOSMesa.";
-  return false;
-}
-
-gfx::Size GLSurfaceOSMesa::GetSize() {
-  return size_;
-}
-
-void* GLSurfaceOSMesa::GetHandle() {
-  return buffer_.get();
-}
-
-unsigned GLSurfaceOSMesa::GetFormat() {
-  return format_;
-}
-
-GLSurfaceOSMesa::~GLSurfaceOSMesa() {
-  Destroy();
-}
-
-}  // namespace gfx