android13/hardware/rockchip/hwcomposer/drmhwc2/include/drmdisplaycompositor.h

239 lines
7.7 KiB
C++
Executable File

/*
* Copyright (C) 2015 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 ANDROID_DRM_DISPLAY_COMPOSITOR_H_
#define ANDROID_DRM_DISPLAY_COMPOSITOR_H_
#include "drmdisplaycomposition.h"
#include "drmframebuffer.h"
#include "drmlayer.h"
#include "resources/resourcemanager.h"
#include "vsyncworker.h"
#include "drmcompositorworker.h"
#ifdef USE_LIBPQ
#include "rkpq.h"
#endif
#include <pthread.h>
#include <memory>
#include <sstream>
#include <tuple>
#include <queue>
#include <hardware/hardware.h>
#include <hardware/hwcomposer.h>
#define OVERSCAN_MIN_VALUE (80)
#define OVERSCAN_MAX_VALUE (100)
// One for the front, one for the back, and one for cases where we need to
// squash a frame that the hw can't display with hw overlays.
#define DRM_DISPLAY_BUFFERS 3
// If a scene is still for this number of vblanks flatten it to reduce power
// consumption.
#define FLATTEN_COUNTDOWN_INIT 60
namespace android {
class ResourceManager;
class DrmDisplayCompositor {
public:
DrmDisplayCompositor();
~DrmDisplayCompositor();
int Init(ResourceManager *resource_manager, int display);
std::unique_ptr<DrmDisplayComposition> CreateComposition() const;
std::unique_ptr<DrmDisplayComposition> CreateInitializedComposition() const;
int QueueComposition(std::unique_ptr<DrmDisplayComposition> composition);
int TestComposition(DrmDisplayComposition *composition);
int Composite();
int CollectSFInfo();
// 顺序模式
int CollectSFInfoBySequence();
// 丢帧模式
int CollectSFInfoByDrop();
int CollectVPInfo();
int CollectVPHdrInfo(DrmHwcLayer &layer);
// HwVirtualDisplay功能
int WriteBackByRGA();
void Dump(std::ostringstream *out) const;
void Vsync(int display, int64_t timestamp);
void SingalCompsition(std::unique_ptr<DrmDisplayComposition> composition);
void ClearDisplayHdrState();
void ClearDisplay();
int display() { return display_;};
std::tuple<uint32_t, uint32_t, int> GetActiveModeResolution();
bool HaveQueuedComposites() const;
bool IsSidebandMode() const;
int GetCompositeQueueMaxSize(DrmDisplayComposition* composition);
private:
struct ModeState {
bool needs_modeset = false;
DrmMode mode;
uint32_t blob_id = 0;
uint32_t old_blob_id = 0;
};
struct SidebandState {
bool enable_ = false;
uint64_t tunnel_id_ = 0;
std::shared_ptr<DrmBuffer> buffer_ = NULL;
};
struct HdrState{
DrmHdrType mode_ = DRM_HWC_SDR;
bool bHasYuv10bit_ = false;
android_dataspace_t datespace_;
};
struct ModeSetState{
HdrState hdr_;
};
DrmDisplayCompositor(const DrmDisplayCompositor &) = delete;
// We'll wait for acquire fences to fire for kAcquireWaitTimeoutMs,
// kAcquireWaitTries times, logging a warning in between.
static const int kAcquireWaitTries = 5;
static const int kAcquireWaitTimeoutMs = 100;
int CheckOverscan(drmModeAtomicReqPtr pset, DrmCrtc* crtc, int display, const char *UniqueName);
// Multi Thread function.
int GetTimestamp();
int64_t GetPhasedVSync(int64_t frame_ns, int64_t current);
int SyntheticWaitVBlank();
int CollectInfo(std::unique_ptr<DrmDisplayComposition> composition,
int status, bool writeback = false);
void Commit();
int CollectCommitInfo(drmModeAtomicReqPtr pset,
DrmDisplayComposition *display_comp,
bool test_only,
DrmConnector *writeback_conn = NULL,
DrmHwcBuffer *writeback_buffer = NULL);
int CommitSidebandStream(drmModeAtomicReqPtr pset,
DrmPlane* plane,
DrmHwcLayer &layer,
int zpos,
int crtc_id);
int CommitFrame(DrmDisplayComposition *display_comp,
bool test_only,
DrmConnector *writeback_conn = NULL,
DrmHwcBuffer *writeback_buffer = NULL);
int SetupWritebackCommit(drmModeAtomicReqPtr pset, uint32_t crtc_id,
DrmConnector *writeback_conn,
DrmHwcBuffer *writeback_buffer);
int DisableWritebackCommit(drmModeAtomicReqPtr pset,
DrmConnector *writeback_conn);
int CollectModeSetInfo(drmModeAtomicReqPtr pset,
DrmDisplayComposition *display_comp,
bool is_sideband_collect);
int UpdateModeSetState();
int UpdateSidebandState();
int ApplyDpms(DrmDisplayComposition *display_comp);
int DisablePlanes(DrmDisplayComposition *display_comp);
void ApplyFrame(std::unique_ptr<DrmDisplayComposition> composition,
int status, bool writeback = false);
int FlattenActiveComposition();
int FlattenSerial(DrmConnector *writeback_conn);
int FlattenConcurrent(DrmConnector *writeback_conn);
int FlattenOnDisplay(std::unique_ptr<DrmDisplayComposition> &src,
DrmConnector *writeback_conn, DrmMode &src_mode,
DrmHwcLayer *writeback_layer);
bool CountdownExpired() const;
std::tuple<int, uint32_t> CreateModeBlob(const DrmMode &mode);
ResourceManager *resource_manager_;
int display_;
DrmCompositorWorker worker_;
drmModeAtomicReqPtr pset_ = NULL;
// Store the display request from SF.
std::queue<std::unique_ptr<DrmDisplayComposition>> composite_queue_;
// Store the display request from SF.
std::queue<std::unique_ptr<DrmDisplayComposition>> composite_queue_temp_;
// Store the request that is about to be submitted for display.
std::map<int,std::unique_ptr<DrmDisplayComposition>> collect_composition_map_;
// Store the request currently being displayed on the screen.
std::map<int,std::unique_ptr<DrmDisplayComposition>> active_composition_map_;
std::unique_ptr<DrmDisplayComposition> active_composition_;
pthread_cond_t composite_queue_cond_;
bool initialized_;
bool active_;
bool use_hw_overlays_;
// Enter ClearDisplay state must SignalCompositionDone to signal releaseFence
bool clear_;
ModeState mode_;
// RK Support:
bool need_mode_set_;
ModeSetState request_mode_set_;
ModeSetState current_mode_set_;
int framebuffer_index_;
DrmFramebuffer framebuffers_[DRM_DISPLAY_BUFFERS];
// mutable since we need to acquire in HaveQueuedComposites
mutable pthread_mutex_t lock_;
// State tracking progress since our last Dump(). These are mutable since
// we need to reset them on every Dump() call.
mutable uint64_t dump_frames_composited_;
mutable uint64_t dump_last_timestamp_ns_;
VSyncWorker vsync_worker_;
int64_t flatten_countdown_;
std::unique_ptr<Planner> planner_;
int writeback_fence_;
// Multi Thread function.
int64_t last_timestamp_;
struct timespec vsync_;
std::map<int, uint64_t> mapDisplayHaveQeueuCnt_;
bool bWriteBackRequestDisable_;
bool bWriteBackEnable_;
uint32_t hdr_blob_id_ = 0;
uint64_t frame_no_ = 0;
// RK Support Sideband mode
SidebandState current_sideband2_;
SidebandState drawing_sideband2_;
// 丢帧模式
bool drop_mode_ = false;
#ifdef USE_LIBPQ
// Sideband YUV444 tmp buffer
std::shared_ptr<DrmBuffer> sidbenad_pq_tmp_buffer_ = NULL;
std::shared_ptr<rkpq> pq_ = NULL;
int pq_last_init_format_ = 0;
#endif
};
} // namespace android
#endif // ANDROID_DRM_DISPLAY_COMPOSITOR_H_