Add a factory and defines for native Linux surfaces.

ui/gl/gl_implementation_nsl.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 "base/base_paths.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/native_library.h"
 #include "base/path_service.h"
+#include "ui/base/linux/native_surface_linux_factory.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_egl_api_implementation.h"
 #include "ui/gl/gl_gl_api_implementation.h"
 #include "ui/gl/gl_implementation.h"
 #include "ui/gl/gl_osmesa_api_implementation.h"
 
 namespace gfx {
 
 namespace {
 
 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));
 }
 
-base::NativeLibrary LoadLibrary(const base::FilePath& filename) {
-  std::string error;
-  base::NativeLibrary library = base::LoadNativeLibrary(filename, &error);
-  if (!library) {
-    DVLOG(1) << "Failed to load " << filename.MaybeAsASCII() << ": " << error;
-    return NULL;
-  }
-  return library;
-}
-
-base::NativeLibrary LoadLibrary(const char* filename) {
-  return LoadLibrary(base::FilePath(filename));
-}
-
 }  // namespace
 
 void GetAllowedGLImplementations(std::vector<GLImplementation>* impls) {
   impls->push_back(kGLImplementationEGLGLES2);
 }
 
 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;
 
   switch (implementation) {
-    case kGLImplementationEGLGLES2: {
-      base::NativeLibrary gles_library = LoadLibrary("libGLESv2.so");
-      if (!gles_library)
+    case kGLImplementationEGLGLES2:
+      if (!ui::NativeSurfaceLinuxFactory::GetInstance()->LoadEGLGLES2Bindings())
         return false;
-      base::NativeLibrary egl_library = LoadLibrary("libEGL.so");
-      if (!egl_library) {
-        base::UnloadNativeLibrary(gles_library);
-        return false;
-      }
-
-      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_driver_gl.fn.glClearDepthFn = MarshalClearDepthToClearDepthf;
       ::gfx::g_driver_gl.fn.glDepthRangeFn = MarshalDepthRangeToDepthRangef;
       break;
-    }
     case kGLImplementationMockGL: {
       SetGLGetProcAddressProc(GetMockGLProcAddress);
       SetGLImplementation(kGLImplementationMockGL);
       InitializeGLBindingsGL();
       break;
     }
     default:
-      NOTIMPLEMENTED() << "InitializeGLBindings on Android";
+      NOTIMPLEMENTED()
+          << "Unsupported GL type for NativeSurfaceLinux GL implementation";
       return false;
   }
 
   return true;
 }
 
 bool InitializeGLExtensionBindings(GLImplementation implementation,
                                    GLContext* context) {
   switch (implementation) {
     case kGLImplementationEGLGLES2:
@@ skipping 10 matching lines @@
   return true;
 }
 
 void InitializeDebugGLBindings() {
 }
 
 void ClearGLBindings() {
   ClearGLBindingsEGL();
   ClearGLBindingsGL();
   SetGLImplementation(kGLImplementationNone);
-
   UnloadGLNativeLibraries();
 }
 
 }  // namespace gfx