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Doug Zongker5290f202014-03-11 13:22:04 -07001/*
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 _GRAPHICS_H_
18#define _GRAPHICS_H_
19
Tao Bao0ecbd762017-01-16 21:16:58 -080020#include "minui/minui.h"
Doug Zongker5290f202014-03-11 13:22:04 -070021
Tao Bao557fa1f2017-02-07 12:51:00 -080022class MinuiBackend {
23 public:
Weizhung Dingf4dfa1a2021-09-27 11:30:26 +080024 enum DrmConnector {
25 DRM_MAIN = 0,
26 DRM_SEC,
27 DRM_MAX,
28 };
29
Tao Bao557fa1f2017-02-07 12:51:00 -080030 // Initializes the backend and returns a GRSurface* to draw into.
31 virtual GRSurface* Init() = 0;
Doug Zongker5290f202014-03-11 13:22:04 -070032
Tao Bao557fa1f2017-02-07 12:51:00 -080033 // Causes the current drawing surface (returned by the most recent call to Flip() or Init()) to
34 // be displayed, and returns a new drawing surface.
35 virtual GRSurface* Flip() = 0;
Doug Zongker5290f202014-03-11 13:22:04 -070036
Weizhung Dingf4dfa1a2021-09-27 11:30:26 +080037 // Blank (or unblank) the default screen.
Tao Bao557fa1f2017-02-07 12:51:00 -080038 virtual void Blank(bool) = 0;
Doug Zongker5290f202014-03-11 13:22:04 -070039
Weizhung Dingf4dfa1a2021-09-27 11:30:26 +080040 // Blank (or unblank) the specific screen.
41 virtual void Blank(bool blank, DrmConnector index) = 0;
42
Weizhung Dingafd0a1b2022-07-19 16:34:43 +080043 // Return true if the device supports multiple connectors.
44 virtual bool HasMultipleConnectors() = 0;
45
Tao Bao557fa1f2017-02-07 12:51:00 -080046 // Device cleanup when drawing is done.
Weizhung Dingafd0a1b2022-07-19 16:34:43 +080047 virtual ~MinuiBackend() = default;
Elliott Hughes07cfb8f2015-04-10 13:12:05 -070048};
Doug Zongker5290f202014-03-11 13:22:04 -070049
Tao Bao557fa1f2017-02-07 12:51:00 -080050#endif // _GRAPHICS_H_