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

ui/gfx/gl/gl_surface.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.h"
-
-#include <algorithm>
-#include <vector>
-
-#include "base/command_line.h"
-#include "base/lazy_instance.h"
-#include "base/logging.h"
-#include "base/threading/thread_local.h"
-#include "ui/gfx/gl/gl_context.h"
-#include "ui/gfx/gl/gl_implementation.h"
-
-namespace gfx {
-
-namespace {
-base::LazyInstance<base::ThreadLocalPointer<GLSurface> >::Leaky
-    current_surface_ = LAZY_INSTANCE_INITIALIZER;
-}  // namespace
-
-// static
-bool GLSurface::InitializeOneOff() {
-  static bool initialized = false;
-  if (initialized)
-    return true;
-
-  std::vector<GLImplementation> allowed_impls;
-  GetAllowedGLImplementations(&allowed_impls);
-  DCHECK(!allowed_impls.empty());
-
-  // The default implementation is always the first one in list.
-  GLImplementation impl = allowed_impls[0];
-  bool fallback_to_osmesa = false;
-  if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kUseGL)) {
-    std::string requested_implementation_name =
-        CommandLine::ForCurrentProcess()->GetSwitchValueASCII(switches::kUseGL);
-    if (requested_implementation_name == "any") {
-      fallback_to_osmesa = true;
-    } else if (requested_implementation_name == "swiftshader") {
-      impl = kGLImplementationEGLGLES2;
-    } else {
-      impl = GetNamedGLImplementation(requested_implementation_name);
-      if (std::find(allowed_impls.begin(),
-                    allowed_impls.end(),
-                    impl) == allowed_impls.end()) {
-        LOG(ERROR) << "Requested GL implementation is not available.";
-        return false;
-      }
-    }
-  }
-
-  initialized = InitializeGLBindings(impl) && InitializeOneOffInternal();
-  if (!initialized && fallback_to_osmesa) {
-    ClearGLBindings();
-    initialized = InitializeGLBindings(kGLImplementationOSMesaGL) &&
-                  InitializeOneOffInternal();
-  }
-
-  if (initialized) {
-    DVLOG(1) << "Using "
-             << GetGLImplementationName(GetGLImplementation())
-             << " GL implementation.";
-    if (CommandLine::ForCurrentProcess()->HasSwitch(
-        switches::kEnableGPUServiceLogging))
-      InitializeDebugGLBindings();
-  }
-  return initialized;
-}
-
-GLSurface::GLSurface() {}
-
-bool GLSurface::Initialize()
-{
-  return true;
-}
-
-bool GLSurface::Resize(const gfx::Size& size) {
-  NOTIMPLEMENTED();
-  return false;
-}
-
-std::string GLSurface::GetExtensions() {
-  // Use of GLSurfaceAdapter class means that we can't compare
-  // GetCurrent() and this directly.
-  DCHECK_EQ(GetCurrent()->GetHandle(), GetHandle());
-  return std::string("");
-}
-
-unsigned int GLSurface::GetBackingFrameBufferObject() {
-  return 0;
-}
-
-bool GLSurface::PostSubBuffer(int x, int y, int width, int height) {
-  return false;
-}
-
-bool GLSurface::OnMakeCurrent(GLContext* context) {
-  return true;
-}
-
-void GLSurface::SetBufferAllocation(BufferAllocationState state) {
-}
-
-void* GLSurface::GetShareHandle() {
-  NOTIMPLEMENTED();
-  return NULL;
-}
-
-void* GLSurface::GetDisplay() {
-  NOTIMPLEMENTED();
-  return NULL;
-}
-
-void* GLSurface::GetConfig() {
-  NOTIMPLEMENTED();
-  return NULL;
-}
-
-unsigned GLSurface::GetFormat() {
-  NOTIMPLEMENTED();
-  return 0;
-}
-
-GLSurface* GLSurface::GetCurrent() {
-  return current_surface_.Pointer()->Get();
-}
-
-GLSurface::~GLSurface() {
-  if (GetCurrent() == this)
-    SetCurrent(NULL);
-}
-
-void GLSurface::SetCurrent(GLSurface* surface) {
-  current_surface_.Pointer()->Set(surface);
-}
-
-GLSurfaceAdapter::GLSurfaceAdapter(GLSurface* surface) : surface_(surface) {}
-
-bool GLSurfaceAdapter::Initialize() {
-  return surface_->Initialize();
-}
-
-void GLSurfaceAdapter::Destroy() {
-  surface_->Destroy();
-}
-
-bool GLSurfaceAdapter::Resize(const gfx::Size& size) {
-  return surface_->Resize(size);
-}
-
-bool GLSurfaceAdapter::IsOffscreen() {
-  return surface_->IsOffscreen();
-}
-
-bool GLSurfaceAdapter::SwapBuffers() {
-  return surface_->SwapBuffers();
-}
-
-bool GLSurfaceAdapter::PostSubBuffer(int x, int y, int width, int height) {
-  return surface_->PostSubBuffer(x, y, width, height);
-}
-
-std::string GLSurfaceAdapter::GetExtensions() {
-  return surface_->GetExtensions();
-}
-
-gfx::Size GLSurfaceAdapter::GetSize() {
-  return surface_->GetSize();
-}
-
-void* GLSurfaceAdapter::GetHandle() {
-  return surface_->GetHandle();
-}
-
-unsigned int GLSurfaceAdapter::GetBackingFrameBufferObject() {
-  return surface_->GetBackingFrameBufferObject();
-}
-
-bool GLSurfaceAdapter::OnMakeCurrent(GLContext* context) {
-  return surface_->OnMakeCurrent(context);
-}
-
-void GLSurfaceAdapter::SetBufferAllocation(BufferAllocationState state) {
-  surface_->SetBufferAllocation(state);
-}
-
-void* GLSurfaceAdapter::GetShareHandle() {
-  return surface_->GetShareHandle();
-}
-
-void* GLSurfaceAdapter::GetDisplay() {
-  return surface_->GetDisplay();
-}
-
-void* GLSurfaceAdapter::GetConfig() {
-  return surface_->GetConfig();
-}
-
-unsigned GLSurfaceAdapter::GetFormat() {
-  return surface_->GetFormat();
-}
-
-GLSurfaceAdapter::~GLSurfaceAdapter() {}
-
-}  // namespace gfx