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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _GRAPHICS_DRM_H_
#define _GRAPHICS_DRM_H_
#include <stdint.h>
#include <xf86drmMode.h>
#include "graphics.h"
#include "minui/minui.h"
class GRSurfaceDrm : public GRSurface {
private:
uint32_t fb_id;
uint32_t handle;
friend class MinuiBackendDrm;
};
class MinuiBackendDrm : public MinuiBackend {
public:
GRSurface* Init() override;
GRSurface* Flip() override;
void Blank(bool) override;
~MinuiBackendDrm() override;
MinuiBackendDrm();
private:
void DrmDisableCrtc(int drm_fd, drmModeCrtc* crtc);
void DrmEnableCrtc(int drm_fd, drmModeCrtc* crtc, GRSurfaceDrm* surface);
GRSurfaceDrm* DrmCreateSurface(int width, int height);
void DrmDestroySurface(GRSurfaceDrm* surface);
void DisableNonMainCrtcs(int fd, drmModeRes* resources, drmModeCrtc* main_crtc);
drmModeConnector* FindMainMonitor(int fd, drmModeRes* resources, uint32_t* mode_index);
GRSurfaceDrm* GRSurfaceDrms[2];
int current_buffer;
drmModeCrtc* main_monitor_crtc;
drmModeConnector* main_monitor_connector;
int drm_fd;
};
#endif // _GRAPHICS_DRM_H_
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