d096d7e5a9
This CL adds a dtor to GRSurfaceDrm that handles the resource deallocation. It also manages MinuiBackendDrm::GRSurfaceDrms with smart pointers. Test: Build and boot into recovery on blueline. `Run graphics test`. Change-Id: Iff7bbdddbc0b5ab16483d00870794fca9f832bd5
73 lines
2 KiB
C++
73 lines
2 KiB
C++
/*
|
|
* 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.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <stdint.h>
|
|
|
|
#include <memory>
|
|
|
|
#include <android-base/macros.h>
|
|
#include <xf86drmMode.h>
|
|
|
|
#include "graphics.h"
|
|
#include "minui/minui.h"
|
|
|
|
class GRSurfaceDrm : public GRSurface {
|
|
public:
|
|
explicit GRSurfaceDrm(int drm_fd) : drm_fd_(drm_fd) {}
|
|
~GRSurfaceDrm() override;
|
|
|
|
// Creates a GRSurfaceDrm instance.
|
|
static std::unique_ptr<GRSurfaceDrm> Create(int drm_fd, int width, int height);
|
|
|
|
uint8_t* data() override {
|
|
return mmapped_buffer_;
|
|
}
|
|
|
|
private:
|
|
friend class MinuiBackendDrm;
|
|
|
|
const int drm_fd_;
|
|
|
|
uint32_t fb_id{ 0 };
|
|
uint32_t handle{ 0 };
|
|
uint8_t* mmapped_buffer_{ nullptr };
|
|
|
|
DISALLOW_COPY_AND_ASSIGN(GRSurfaceDrm);
|
|
};
|
|
|
|
class MinuiBackendDrm : public MinuiBackend {
|
|
public:
|
|
MinuiBackendDrm() = default;
|
|
~MinuiBackendDrm() override;
|
|
|
|
GRSurface* Init() override;
|
|
GRSurface* Flip() override;
|
|
void Blank(bool) override;
|
|
|
|
private:
|
|
void DrmDisableCrtc(int drm_fd, drmModeCrtc* crtc);
|
|
bool DrmEnableCrtc(int drm_fd, drmModeCrtc* crtc, const std::unique_ptr<GRSurfaceDrm>& surface);
|
|
void DisableNonMainCrtcs(int fd, drmModeRes* resources, drmModeCrtc* main_crtc);
|
|
drmModeConnector* FindMainMonitor(int fd, drmModeRes* resources, uint32_t* mode_index);
|
|
|
|
std::unique_ptr<GRSurfaceDrm> GRSurfaceDrms[2];
|
|
int current_buffer{ 0 };
|
|
drmModeCrtc* main_monitor_crtc{ nullptr };
|
|
drmModeConnector* main_monitor_connector{ nullptr };
|
|
int drm_fd{ -1 };
|
|
};
|