afd0a1b666
Add API to support multiple connectors detection Bug: 227468133 Test: check log in recovery mode Change-Id: I18c5e0f373a29b153aab038bd289eed18847f2af
73 lines
2 KiB
C++
73 lines
2 KiB
C++
/*
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* Copyright (C) 2017 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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#pragma once
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#include <linux/fb.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <memory>
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#include <vector>
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#include <android-base/unique_fd.h>
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#include "graphics.h"
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#include "minui/minui.h"
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class GRSurfaceFbdev : public GRSurface {
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public:
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// Creates and returns a GRSurfaceFbdev instance, or nullptr on error.
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static std::unique_ptr<GRSurfaceFbdev> Create(size_t width, size_t height, size_t row_bytes,
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size_t pixel_bytes);
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uint8_t* data() override {
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return buffer_;
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}
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protected:
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using GRSurface::GRSurface;
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private:
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friend class MinuiBackendFbdev;
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// Points to the start of the buffer: either the mmap'd framebuffer or one allocated in-memory.
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uint8_t* buffer_{ nullptr };
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};
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class MinuiBackendFbdev : public MinuiBackend {
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public:
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MinuiBackendFbdev() = default;
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~MinuiBackendFbdev() override = default;
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GRSurface* Init() override;
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GRSurface* Flip() override;
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void Blank(bool) override;
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void Blank(bool blank, DrmConnector index) override;
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bool HasMultipleConnectors() override;
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private:
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void SetDisplayedFramebuffer(size_t n);
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std::unique_ptr<GRSurfaceFbdev> gr_framebuffer[2];
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// Points to the current surface (i.e. one of the two gr_framebuffer's).
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GRSurfaceFbdev* gr_draw{ nullptr };
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bool double_buffered;
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std::vector<uint8_t> memory_buffer;
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size_t displayed_buffer{ 0 };
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fb_var_screeninfo vi;
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android::base::unique_fd fb_fd;
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};
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