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b2008eb540
This removes the now unused GLX binding code from //ui/gl and simplifies the build files a bit, removing unused configs and includes and such.
96 lines
2.8 KiB
C++
96 lines
2.8 KiB
C++
// Copyright 2014 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "ui/gl/gl_implementation_osmesa.h"
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#include "base/files/file_path.h"
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#include "base/logging.h"
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#include "base/native_library.h"
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#include "base/path_service.h"
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#include "ui/gl/gl_bindings.h"
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#include "ui/gl/gl_gl_api_implementation.h"
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#include "ui/gl/gl_implementation.h"
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#include "ui/gl/gl_osmesa_api_implementation.h"
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namespace gfx {
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#if defined(OS_LINUX)
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// On Linux, we always use the OSMesa implementation of GL so we hardcode these
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// functions here.
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void GetAllowedGLImplementations(std::vector<GLImplementation>* impls) {
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impls->push_back(kGLImplementationOSMesaGL);
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}
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bool InitializeDynamicGLBindings(GLImplementation implementation,
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GLContext* context) {
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DCHECK_EQ(implementation, kGLImplementationOSMesaGL);
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InitializeDynamicGLBindingsGL(context);
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return true;
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}
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bool InitializeStaticGLBindings(GLImplementation implementation) {
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DCHECK_EQ(implementation, kGLImplementationOSMesaGL);
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return InitializeStaticGLBindingsOSMesaGL();
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}
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void InitializeDebugGLBindings() {
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InitializeDebugGLBindingsOSMESA();
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}
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void ClearGLBindings() {
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ClearGLBindingsOSMESA();
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SetGLImplementation(kGLImplementationNone);
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UnloadGLNativeLibraries();
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}
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#endif
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base::NativeLibrary LoadLibraryAndPrintError(const base::FilePath& filename) {
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base::NativeLibraryLoadError error;
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base::NativeLibrary library = base::LoadNativeLibrary(filename, &error);
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if (!library) {
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LOG(ERROR) << "Failed to load " << filename.MaybeAsASCII() << ": "
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<< error.ToString();
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return NULL;
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}
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return library;
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}
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base::NativeLibrary LoadLibraryAndPrintError(const char* filename) {
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return LoadLibraryAndPrintError(base::FilePath(filename));
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}
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bool InitializeStaticGLBindingsOSMesaGL() {
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base::FilePath module_path;
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if (!PathService::Get(base::DIR_MODULE, &module_path)) {
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LOG(ERROR) << "PathService::Get failed.";
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return false;
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}
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base::FilePath library_path = module_path.Append("libosmesa.so");
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base::NativeLibrary library = LoadLibraryAndPrintError(library_path);
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if (!library)
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return false;
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GLGetProcAddressProc get_proc_address =
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reinterpret_cast<GLGetProcAddressProc>(
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base::GetFunctionPointerFromNativeLibrary(library,
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"OSMesaGetProcAddress"));
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if (!get_proc_address) {
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LOG(ERROR) << "OSMesaGetProcAddress not found.";
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base::UnloadNativeLibrary(library);
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return false;
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}
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SetGLGetProcAddressProc(get_proc_address);
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AddGLNativeLibrary(library);
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SetGLImplementation(kGLImplementationOSMesaGL);
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InitializeStaticGLBindingsGL();
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InitializeStaticGLBindingsOSMESA();
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return true;
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}
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} // namespace gfx
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