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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
Doug Zongker5290f202014-03-11 13:22:04 -070020#include "minui.h"
21
Elliott Hughes07cfb8f2015-04-10 13:12:05 -070022// TODO: lose the function pointers.
23struct minui_backend {
Elliott Hughes0a5cb0c2015-04-15 10:58:56 -070024 // Initializes the backend and returns a GRSurface* to draw into.
25 GRSurface* (*init)(minui_backend*);
Doug Zongker5290f202014-03-11 13:22:04 -070026
27 // Causes the current drawing surface (returned by the most recent
28 // call to flip() or init()) to be displayed, and returns a new
29 // drawing surface.
Elliott Hughes0a5cb0c2015-04-15 10:58:56 -070030 GRSurface* (*flip)(minui_backend*);
Doug Zongker5290f202014-03-11 13:22:04 -070031
32 // Blank (or unblank) the screen.
Elliott Hughes07cfb8f2015-04-10 13:12:05 -070033 void (*blank)(minui_backend*, bool);
Doug Zongker5290f202014-03-11 13:22:04 -070034
35 // Device cleanup when drawing is done.
Elliott Hughes07cfb8f2015-04-10 13:12:05 -070036 void (*exit)(minui_backend*);
37};
Doug Zongker5290f202014-03-11 13:22:04 -070038
39minui_backend* open_fbdev();
Greg Hackmann41909dd2014-04-25 10:39:50 -070040minui_backend* open_adf();
St├ęphane Marchesin1a92c442015-06-29 20:05:48 -070041minui_backend* open_drm();
Doug Zongker5290f202014-03-11 13:22:04 -070042
Doug Zongker5290f202014-03-11 13:22:04 -070043#endif