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- // 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 "ui/gl/scoped_make_current.h"
- #include "base/check.h"
- #include "ui/gl/gl_context.h"
- #include "ui/gl/gl_surface.h"
- namespace ui {
- ScopedMakeCurrent::ScopedMakeCurrent(gl::GLContext* context,
- gl::GLSurface* surface)
- : previous_context_(gl::GLContext::GetCurrent()),
- previous_surface_(gl::GLSurface::GetCurrent()),
- context_(context),
- surface_(surface) {
- DCHECK(context);
- DCHECK(surface);
- is_context_current_ = context->MakeCurrent(surface);
- }
- ScopedMakeCurrent::~ScopedMakeCurrent() {
- if (previous_context_) {
- DCHECK(previous_surface_);
- previous_context_->MakeCurrent(previous_surface_.get());
- } else {
- context_->ReleaseCurrent(surface_.get());
- }
- }
- } // namespace ui
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