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context.cc
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1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "flutter/shell/platform/windows/egl/context.h"
6
7 #include "flutter/shell/platform/windows/egl/egl.h"
8
9 namespace flutter {
10 namespace egl {
11
12 Context::Context(EGLDisplay display, EGLContext context)
13 : display_(display), context_(context) {}
14
15 Context::~Context() {
16 if (display_ == EGL_NO_DISPLAY && context_ == EGL_NO_CONTEXT) {
17 return;
18 }
19
20 if (::eglDestroyContext(display_, context_) != EGL_TRUE) {
21 WINDOWS_LOG_EGL_ERROR;
22 }
23 }
24
25 bool Context::IsCurrent() const {
26 return ::eglGetCurrentContext() == context_;
27 }
28
29 bool Context::MakeCurrent() const {
30 const auto result =
31 ::eglMakeCurrent(display_, EGL_NO_SURFACE, EGL_NO_SURFACE, context_);
32 if (result != EGL_TRUE) {
33 WINDOWS_LOG_EGL_ERROR;
34 return false;
35 }
36
37 return true;
38 }
39
40 bool Context::ClearCurrent() const {
41 const auto result = ::eglMakeCurrent(display_, EGL_NO_SURFACE, EGL_NO_SURFACE,
42 EGL_NO_CONTEXT);
43 if (result != EGL_TRUE) {
44 WINDOWS_LOG_EGL_ERROR;
45 return false;
46 }
47
48 return true;
49 }
50
51 const EGLContext& Context::GetHandle() const {
52 return context_;
53 }
54
55 } // namespace egl
56 } // namespace flutter
flutter::egl::Context::GetHandle
virtual const EGLContext & GetHandle() const
Definition: context.cc:51
flutter::egl::Context::Context
Context(EGLDisplay display, EGLContext context)
Definition: context.cc:12
flutter::egl::Context::IsCurrent
virtual bool IsCurrent() const
Definition: context.cc:25
flutter::egl::Context::~Context
~Context()
Definition: context.cc:15
flutter::egl::Context::MakeCurrent
virtual bool MakeCurrent() const
Definition: context.cc:29
flutter::egl::Context::ClearCurrent
virtual bool ClearCurrent() const
Definition: context.cc:40
context.h
egl.h
WINDOWS_LOG_EGL_ERROR
#define WINDOWS_LOG_EGL_ERROR
Definition: egl.h:19
flutter
Definition: accessibility_bridge_windows.cc:11