1 files changed, 64 insertions, 0 deletions
diff --git a/chromium/ui/gl/gl_implementation_osmesa.cc b/chromium/ui/gl/gl_implementation_osmesa.cc
new file mode 100644
index 00000000000..90de6909b91
--- /dev/null
+++ b/chromium/ui/gl/gl_implementation_osmesa.cc
@@ -0,0 +1,64 @@
+// Copyright 2014 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_osmesa.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 {
+
+base::NativeLibrary LoadLibraryAndPrintError(const base::FilePath& filename) {
+  base::NativeLibraryLoadError error;
+  base::NativeLibrary library = base::LoadNativeLibrary(filename, &error);
+  if (!library) {
+    LOG(ERROR) << "Failed to load " << filename.MaybeAsASCII() << ": "
+               << error.ToString();
+    return NULL;
+  }
+  return library;
+}
+
+base::NativeLibrary LoadLibraryAndPrintError(const char* filename) {
+  return LoadLibraryAndPrintError(base::FilePath(filename));
+}
+
+bool InitializeStaticGLBindingsOSMesaGL() {
+  base::FilePath module_path;
+  if (!PathService::Get(base::DIR_MODULE, &module_path)) {
+    LOG(ERROR) << "PathService::Get failed.";
+    return false;
+  }
+
+  base::FilePath library_path = module_path.Append("libosmesa.so");
+  base::NativeLibrary library = LoadLibraryAndPrintError(library_path);
+  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);
+
+  InitializeStaticGLBindingsGL();
+  InitializeStaticGLBindingsOSMESA();
+  return true;
+}
+
+}  // namespace gfx