| // Copyright 2013 The Flutter 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 "flutter/shell/platform/windows/egl/context.h" |
| |
| #include "flutter/shell/platform/windows/egl/egl.h" |
| |
| namespace flutter { |
| namespace egl { |
| |
| Context::Context(EGLDisplay display, EGLContext context) |
| : display_(display), context_(context) {} |
| |
| Context::~Context() { |
| if (display_ == EGL_NO_DISPLAY && context_ == EGL_NO_CONTEXT) { |
| return; |
| } |
| |
| if (::eglDestroyContext(display_, context_) != EGL_TRUE) { |
| WINDOWS_LOG_EGL_ERROR; |
| } |
| } |
| |
| bool Context::IsCurrent() const { |
| return ::eglGetCurrentContext() == context_; |
| } |
| |
| bool Context::MakeCurrent() const { |
| const auto result = |
| ::eglMakeCurrent(display_, EGL_NO_SURFACE, EGL_NO_SURFACE, context_); |
| if (result != EGL_TRUE) { |
| WINDOWS_LOG_EGL_ERROR; |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool Context::ClearCurrent() const { |
| const auto result = ::eglMakeCurrent(display_, EGL_NO_SURFACE, EGL_NO_SURFACE, |
| EGL_NO_CONTEXT); |
| if (result != EGL_TRUE) { |
| WINDOWS_LOG_EGL_ERROR; |
| return false; |
| } |
| |
| return true; |
| } |
| |
| const EGLContext& Context::GetHandle() const { |
| return context_; |
| } |
| |
| } // namespace egl |
| } // namespace flutter |