mirror of
https://github.com/flutter/flutter.git
synced 2026-02-20 02:29:02 +08:00
39 lines
1.0 KiB
C++
39 lines
1.0 KiB
C++
// 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/logging.h"
|
|
#include "ui/gl/gl_context.h"
|
|
#include "ui/gl/gl_surface.h"
|
|
|
|
namespace ui {
|
|
|
|
ScopedMakeCurrent::ScopedMakeCurrent(gfx::GLContext* context,
|
|
gfx::GLSurface* surface)
|
|
: previous_context_(gfx::GLContext::GetCurrent()),
|
|
previous_surface_(gfx::GLSurface::GetCurrent()),
|
|
context_(context),
|
|
surface_(surface),
|
|
succeeded_(false) {
|
|
DCHECK(context);
|
|
DCHECK(surface);
|
|
succeeded_ = context->MakeCurrent(surface);
|
|
}
|
|
|
|
ScopedMakeCurrent::~ScopedMakeCurrent() {
|
|
if (previous_context_.get()) {
|
|
DCHECK(previous_surface_.get());
|
|
previous_context_->MakeCurrent(previous_surface_.get());
|
|
} else {
|
|
context_->ReleaseCurrent(surface_.get());
|
|
}
|
|
}
|
|
|
|
bool ScopedMakeCurrent::Succeeded() const {
|
|
return succeeded_;
|
|
}
|
|
|
|
} // namespace ui
|