CanvasContext.h revision 23b797ab5151eb2474f3bdd679f2f07bfd723042 
1/*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef CANVASCONTEXT_H_
18#define CANVASCONTEXT_H_
19
20#include <cutils/compiler.h>
21#include <EGL/egl.h>
22
23namespace android {
24namespace uirenderer {
25namespace renderthread {
26
27class GlobalContext;
28
29// This per-renderer class manages the bridge between the global EGL context
30// and the render surface.
31class CanvasContext {
32public:
33    ANDROID_API CanvasContext();
34    ANDROID_API ~CanvasContext();
35
36    ANDROID_API bool setSurface(EGLNativeWindowType window);
37    ANDROID_API bool swapBuffers();
38    ANDROID_API bool makeCurrent();
39
40    ANDROID_API static bool useGlobalPBufferSurface();
41
42private:
43
44    GlobalContext* mGlobalContext;
45    EGLSurface mEglSurface;
46    bool mDirtyRegionsEnabled;
47};
48
49} /* namespace renderthread */
50} /* namespace uirenderer */
51} /* namespace android */
52#endif /* CANVASCONTEXT_H_ */
53