557fa1f45e
This CL defines minui_backend as an interface, and expresses the three backends (adf, drm and fbdev) as subclasses to the interface. Test: 'Run graphics test' on N9, Pixel C and N5X. Change-Id: I0e23951c7b2e2ff918957a8d9fc8b0085b6e5952
38 lines
1.1 KiB
C++
38 lines
1.1 KiB
C++
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _GRAPHICS_H_
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#define _GRAPHICS_H_
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#include "minui/minui.h"
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class MinuiBackend {
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public:
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// Initializes the backend and returns a GRSurface* to draw into.
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virtual GRSurface* Init() = 0;
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// Causes the current drawing surface (returned by the most recent call to Flip() or Init()) to
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// be displayed, and returns a new drawing surface.
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virtual GRSurface* Flip() = 0;
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// Blank (or unblank) the screen.
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virtual void Blank(bool) = 0;
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// Device cleanup when drawing is done.
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virtual ~MinuiBackend() {};
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};
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#endif // _GRAPHICS_H_
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