| // 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 "ui/gl/gl_implementation_linux.h" |
| |
| #include "base/files/file_path.h" |
| #include "base/logging.h" |
| #include "base/native_library.h" |
| #include "base/path_service.h" |
| #include "ui/gl/gl_bindings.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 { |
| |
| // Load a library, printing an error message on failure. |
| 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)); |
| } |
| |
| bool InitializeGLBindingsOSMesaGL() { |
| base::FilePath module_path; |
| if (!PathService::Get(base::DIR_MODULE, &module_path)) { |
| LOG(ERROR) << "PathService::Get failed."; |
| return false; |
| } |
| |
| base::NativeLibrary library = LoadLibrary(module_path.Append("libosmesa.so")); |
| if (!library) |
| return false; |
| |
| GLGetProcAddressProc get_proc_address = |
| reinterpret_cast<GLGetProcAddressProc>( |
| base::GetFunctionPointerFromNativeLibrary(library, |
| "OSMesaGetProcAddress")); |
| if (!get_proc_address) { |
| LOG(ERROR) << "OSMesaGetProcAddress not found."; |
| base::UnloadNativeLibrary(library); |
| return false; |
| } |
| |
| SetGLGetProcAddressProc(get_proc_address); |
| AddGLNativeLibrary(library); |
| SetGLImplementation(kGLImplementationOSMesaGL); |
| |
| InitializeGLBindingsGL(); |
| InitializeGLBindingsOSMESA(); |
| return true; |
| } |
| |
| } // namespace gfx |