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

ui/gfx/gl/gl_implementation_win.cc

Index: ui/gfx/gl/gl_implementation_win.cc
diff --git a/ui/gfx/gl/gl_implementation_win.cc b/ui/gfx/gl/gl_implementation_win.cc
deleted file mode 100644
index 25122de27bf40013df6659e76200700261222847..0000000000000000000000000000000000000000
--- a/ui/gfx/gl/gl_implementation_win.cc
+++ /dev/null
@@ -1,290 +0,0 @@
-// 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 <d3dx9.h>
-
-#include <vector>
-
-#include "base/at_exit.h"
-#include "base/base_paths.h"
-#include "base/bind.h"
-#include "base/command_line.h"
-#include "base/file_path.h"
-#include "base/logging.h"
-#include "base/native_library.h"
-#include "base/path_service.h"
-#include "base/stringprintf.h"
-#include "base/threading/thread_restrictions.h"
-#include "ui/gfx/gl/gl_bindings.h"
-#include "ui/gfx/gl/gl_implementation.h"
-
-#if defined(ENABLE_SWIFTSHADER)
-#include "software_renderer.h"
-#endif
-
-namespace gfx {
-
-namespace {
-
-typedef std::vector<base::NativeLibrary> LibraryArray;
-LibraryArray* g_d3dx_libraries;
-
-void GL_BINDING_CALL MarshalClearDepthToClearDepthf(GLclampd depth) {
-  glClearDepthf(static_cast<GLclampf>(depth));
-}
-
-void GL_BINDING_CALL MarshalDepthRangeToDepthRangef(GLclampd z_near,
-                                                    GLclampd z_far) {
-  glDepthRangef(static_cast<GLclampf>(z_near), static_cast<GLclampf>(z_far));
-}
-
-void UnloadD3DXLibraries(void* unused) {
-  if (g_d3dx_libraries) {
-    for (LibraryArray::iterator it = g_d3dx_libraries->begin();
-         it != g_d3dx_libraries->end(); ++it) {
-      base::UnloadNativeLibrary(*it);
-    }
-    delete g_d3dx_libraries;
-    g_d3dx_libraries = NULL;
-  }
-}
-
-bool LoadD3DXLibrary(const FilePath& module_path,
-                     const FilePath::StringType& name) {
-  base::NativeLibrary library = base::LoadNativeLibrary(FilePath(name), NULL);
-  if (!library) {
-    library = base::LoadNativeLibrary(module_path.Append(name), NULL);
-    if (!library) {
-      DVLOG(1) << name << " not found.";
-      return false;
-    }
-  }
-
-  if (!g_d3dx_libraries) {
-    g_d3dx_libraries = new LibraryArray;
-    base::AtExitManager::RegisterCallback(UnloadD3DXLibraries, NULL);
-  }
-  g_d3dx_libraries->push_back(library);
-  return true;
-}
-
-}  // namespace anonymous
-
-void GetAllowedGLImplementations(std::vector<GLImplementation>* impls) {
-  impls->push_back(kGLImplementationEGLGLES2);
-  impls->push_back(kGLImplementationDesktopGL);
-  impls->push_back(kGLImplementationOSMesaGL);
-}
-
-bool InitializeGLBindings(GLImplementation implementation) {
-  // Prevent reinitialization with a different implementation. Once the gpu
-  // unit tests have initialized with kGLImplementationMock, we don't want to
-  // later switch to another GL implementation.
-  if (GetGLImplementation() != kGLImplementationNone)
-    return true;
-
-  // Allow the main thread or another to initialize these bindings
-  // after instituting restrictions on I/O. Going forward they will
-  // likely be used in the browser process on most platforms. The
-  // one-time initialization cost is small, between 2 and 5 ms.
-  base::ThreadRestrictions::ScopedAllowIO allow_io;
-
-  switch (implementation) {
-    case kGLImplementationOSMesaGL: {
-      FilePath module_path;
-      if (!PathService::Get(base::DIR_MODULE, &module_path)) {
-        LOG(ERROR) << "PathService::Get failed.";
-        return false;
-      }
-
-      base::NativeLibrary library = base::LoadNativeLibrary(
-          module_path.Append(L"osmesa.dll"), NULL);
-      if (!library) {
-        DVLOG(1) << "osmesa.dll not found";
-        return false;
-      }
-
-      GLGetProcAddressProc get_proc_address =
-          reinterpret_cast<GLGetProcAddressProc>(
-              base::GetFunctionPointerFromNativeLibrary(
-                  library, "OSMesaGetProcAddress"));
-      if (!get_proc_address) {
-        DLOG(ERROR) << "OSMesaGetProcAddress not found.";
-        base::UnloadNativeLibrary(library);
-        return false;
-      }
-
-      SetGLGetProcAddressProc(get_proc_address);
-      AddGLNativeLibrary(library);
-      SetGLImplementation(kGLImplementationOSMesaGL);
-
-      InitializeGLBindingsGL();
-      InitializeGLBindingsOSMESA();
-      break;
-    }
-    case kGLImplementationEGLGLES2: {
-      FilePath module_path;
-      if (!PathService::Get(base::DIR_MODULE, &module_path))
-        return false;
-
-      // Attempt to load D3DX and its dependencies using the default search path
-      // and if that fails, using an absolute path. This is to ensure these DLLs
-      // are loaded before ANGLE is loaded in case they are not in the default
-      // search path.
-      LoadD3DXLibrary(module_path, base::StringPrintf(L"d3dcompiler_%d.dll",
-                                                      D3DX_SDK_VERSION));
-      LoadD3DXLibrary(module_path, base::StringPrintf(L"d3dx9_%d.dll",
-                                                      D3DX_SDK_VERSION));
-
-      FilePath gles_path;
-      const CommandLine* command_line = CommandLine::ForCurrentProcess();
-      bool using_swift_shader =
-          command_line->GetSwitchValueASCII(switches::kUseGL) == "swiftshader";
-      if (using_swift_shader) {
-        if (!command_line->HasSwitch(switches::kSwiftShaderPath))
-          return false;
-        gles_path =
-            command_line->GetSwitchValuePath(switches::kSwiftShaderPath);
-        // Preload library
-        LoadLibrary(L"ddraw.dll");
-      } else {
-        gles_path = module_path;
-      }
-
-      // Load libglesv2.dll before libegl.dll because the latter is dependent on
-      // the former and if there is another version of libglesv2.dll in the dll
-      // search path, it will get loaded instead.
-      base::NativeLibrary gles_library = base::LoadNativeLibrary(
-          gles_path.Append(L"libglesv2.dll"), NULL);
-      if (!gles_library) {
-        DVLOG(1) << "libglesv2.dll not found";
-        return false;
-      }
-
-      // When using EGL, first try eglGetProcAddress and then Windows
-      // GetProcAddress on both the EGL and GLES2 DLLs.
-      base::NativeLibrary egl_library = base::LoadNativeLibrary(
-          gles_path.Append(L"libegl.dll"), NULL);
-      if (!egl_library) {
-        DVLOG(1) << "libegl.dll not found.";
-        base::UnloadNativeLibrary(gles_library);
-        return false;
-      }
-
-#if defined(ENABLE_SWIFTSHADER)
-      if (using_swift_shader) {
-        SetupSoftwareRenderer(gles_library);
-      }
-#endif
-
-      GLGetProcAddressProc get_proc_address =
-          reinterpret_cast<GLGetProcAddressProc>(
-              base::GetFunctionPointerFromNativeLibrary(
-                  egl_library, "eglGetProcAddress"));
-      if (!get_proc_address) {
-        LOG(ERROR) << "eglGetProcAddress not found.";
-        base::UnloadNativeLibrary(egl_library);
-        base::UnloadNativeLibrary(gles_library);
-        return false;
-      }
-
-      SetGLGetProcAddressProc(get_proc_address);
-      AddGLNativeLibrary(egl_library);
-      AddGLNativeLibrary(gles_library);
-      SetGLImplementation(kGLImplementationEGLGLES2);
-
-      InitializeGLBindingsGL();
-      InitializeGLBindingsEGL();
-
-      // These two functions take single precision float rather than double
-      // precision float parameters in GLES.
-      ::gfx::g_glClearDepth = MarshalClearDepthToClearDepthf;
-      ::gfx::g_glDepthRange = MarshalDepthRangeToDepthRangef;
-      break;
-    }
-    case kGLImplementationDesktopGL: {
-      // When using Windows OpenGL, first try wglGetProcAddress and then
-      // Windows GetProcAddress.
-      base::NativeLibrary library = base::LoadNativeLibrary(
-          FilePath(L"opengl32.dll"), NULL);
-      if (!library) {
-        DVLOG(1) << "opengl32.dll not found";
-        return false;
-      }
-
-      GLGetProcAddressProc get_proc_address =
-          reinterpret_cast<GLGetProcAddressProc>(
-              base::GetFunctionPointerFromNativeLibrary(
-                  library, "wglGetProcAddress"));
-      if (!get_proc_address) {
-        LOG(ERROR) << "wglGetProcAddress not found.";
-        base::UnloadNativeLibrary(library);
-        return false;
-      }
-
-      SetGLGetProcAddressProc(get_proc_address);
-      AddGLNativeLibrary(library);
-      SetGLImplementation(kGLImplementationDesktopGL);
-
-      InitializeGLBindingsGL();
-      InitializeGLBindingsWGL();
-      break;
-    }
-    case kGLImplementationMockGL: {
-      SetGLGetProcAddressProc(GetMockGLProcAddress);
-      SetGLImplementation(kGLImplementationMockGL);
-      InitializeGLBindingsGL();
-      break;
-    }
-    default:
-      return false;
-  }
-
-  return true;
-}
-
-bool InitializeGLExtensionBindings(GLImplementation implementation,
-    GLContext* context) {
-  switch (implementation) {
-    case kGLImplementationOSMesaGL:
-      InitializeGLExtensionBindingsGL(context);
-      InitializeGLExtensionBindingsOSMESA(context);
-      break;
-    case kGLImplementationEGLGLES2:
-      InitializeGLExtensionBindingsGL(context);
-      InitializeGLExtensionBindingsEGL(context);
-      break;
-    case kGLImplementationDesktopGL:
-      InitializeGLExtensionBindingsGL(context);
-      InitializeGLExtensionBindingsWGL(context);
-      break;
-    case kGLImplementationMockGL:
-      InitializeGLExtensionBindingsGL(context);
-      break;
-    default:
-      return false;
-  }
-
-  return true;
-}
-
-void InitializeDebugGLBindings() {
-  InitializeDebugGLBindingsEGL();
-  InitializeDebugGLBindingsGL();
-  InitializeDebugGLBindingsOSMESA();
-  InitializeDebugGLBindingsWGL();
-}
-
-void ClearGLBindings() {
-  ClearGLBindingsEGL();
-  ClearGLBindingsGL();
-  ClearGLBindingsOSMESA();
-  ClearGLBindingsWGL();
-  SetGLImplementation(kGLImplementationNone);
-
-  UnloadGLNativeLibraries();
-  UnloadD3DXLibraries(NULL);
-}
-
-}  // namespace gfx