646f541050
warning: struct 'HWComposer' was previously declared as a class [-Wmismatched-tags] warning: class 'DisplayInfo' was previously declared as a struct [-Wmismatched-tags] Change-Id: I13db9f8aab3a957ce8ff8d64598dae1807d6fe7e
377 lines
12 KiB
C++
377 lines
12 KiB
C++
/*
|
|
* Copyright (C) 2010 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_SF_HWCOMPOSER_H
|
|
#define ANDROID_SF_HWCOMPOSER_H
|
|
|
|
#include <stdint.h>
|
|
#include <sys/types.h>
|
|
|
|
#include <hardware/hwcomposer_defs.h>
|
|
|
|
#include <ui/Fence.h>
|
|
|
|
#include <utils/BitSet.h>
|
|
#include <utils/Condition.h>
|
|
#include <utils/Mutex.h>
|
|
#include <utils/StrongPointer.h>
|
|
#include <utils/Thread.h>
|
|
#include <utils/Timers.h>
|
|
#include <utils/Vector.h>
|
|
|
|
extern "C" int clock_nanosleep(clockid_t clock_id, int flags,
|
|
const struct timespec *request,
|
|
struct timespec *remain);
|
|
|
|
struct hwc_composer_device_1;
|
|
struct hwc_display_contents_1;
|
|
struct hwc_layer_1;
|
|
struct hwc_procs;
|
|
struct framebuffer_device_t;
|
|
|
|
namespace android {
|
|
// ---------------------------------------------------------------------------
|
|
|
|
class Fence;
|
|
class FloatRect;
|
|
class GraphicBuffer;
|
|
class NativeHandle;
|
|
class Region;
|
|
class String8;
|
|
class SurfaceFlinger;
|
|
|
|
class HWComposer
|
|
{
|
|
public:
|
|
class EventHandler {
|
|
friend class HWComposer;
|
|
virtual void onVSyncReceived(int disp, nsecs_t timestamp) = 0;
|
|
virtual void onHotplugReceived(int disp, bool connected) = 0;
|
|
protected:
|
|
virtual ~EventHandler() {}
|
|
};
|
|
|
|
enum {
|
|
NUM_BUILTIN_DISPLAYS = HWC_NUM_PHYSICAL_DISPLAY_TYPES,
|
|
MAX_HWC_DISPLAYS = HWC_NUM_DISPLAY_TYPES,
|
|
VIRTUAL_DISPLAY_ID_BASE = HWC_DISPLAY_VIRTUAL,
|
|
};
|
|
|
|
HWComposer(
|
|
const sp<SurfaceFlinger>& flinger,
|
|
EventHandler& handler);
|
|
|
|
~HWComposer();
|
|
|
|
status_t initCheck() const;
|
|
|
|
// Returns a display ID starting at VIRTUAL_DISPLAY_ID_BASE, this ID is to
|
|
// be used with createWorkList (and all other methods requiring an ID
|
|
// below).
|
|
// IDs below NUM_BUILTIN_DISPLAYS are pre-defined and therefore are
|
|
// always valid.
|
|
// Returns -1 if an ID cannot be allocated
|
|
int32_t allocateDisplayId();
|
|
|
|
// Recycles the given virtual display ID and frees the associated worklist.
|
|
// IDs below NUM_BUILTIN_DISPLAYS are not recycled.
|
|
status_t freeDisplayId(int32_t id);
|
|
|
|
|
|
// Asks the HAL what it can do
|
|
status_t prepare();
|
|
|
|
// commits the list
|
|
status_t commit();
|
|
|
|
// set power mode
|
|
status_t setPowerMode(int disp, int mode);
|
|
|
|
// set active config
|
|
status_t setActiveConfig(int disp, int mode);
|
|
|
|
// reset state when an external, non-virtual display is disconnected
|
|
void disconnectDisplay(int disp);
|
|
|
|
// create a work list for numLayers layer. sets HWC_GEOMETRY_CHANGED.
|
|
status_t createWorkList(int32_t id, size_t numLayers);
|
|
|
|
bool supportsFramebufferTarget() const;
|
|
|
|
// does this display have layers handled by HWC
|
|
bool hasHwcComposition(int32_t id) const;
|
|
|
|
// does this display have layers handled by GLES
|
|
bool hasGlesComposition(int32_t id) const;
|
|
|
|
// get the releaseFence file descriptor for a display's framebuffer layer.
|
|
// the release fence is only valid after commit()
|
|
sp<Fence> getAndResetReleaseFence(int32_t id);
|
|
|
|
// needed forward declarations
|
|
class LayerListIterator;
|
|
|
|
// return the visual id to be used to find a suitable EGLConfig for
|
|
// *ALL* displays.
|
|
int getVisualID() const;
|
|
|
|
// Forwarding to FB HAL for pre-HWC-1.1 code (see FramebufferSurface).
|
|
int fbPost(int32_t id, const sp<Fence>& acquireFence, const sp<GraphicBuffer>& buf);
|
|
int fbCompositionComplete();
|
|
void fbDump(String8& result);
|
|
|
|
// Set the output buffer and acquire fence for a virtual display.
|
|
// Returns INVALID_OPERATION if id is not a virtual display.
|
|
status_t setOutputBuffer(int32_t id, const sp<Fence>& acquireFence,
|
|
const sp<GraphicBuffer>& buf);
|
|
|
|
// Get the retire fence for the last committed frame. This fence will
|
|
// signal when the h/w composer is completely finished with the frame.
|
|
// For physical displays, it is no longer being displayed. For virtual
|
|
// displays, writes to the output buffer are complete.
|
|
sp<Fence> getLastRetireFence(int32_t id) const;
|
|
|
|
status_t setCursorPositionAsync(int32_t id, const Rect &pos);
|
|
|
|
/*
|
|
* Interface to hardware composer's layers functionality.
|
|
* This abstracts the HAL interface to layers which can evolve in
|
|
* incompatible ways from one release to another.
|
|
* The idea is that we could extend this interface as we add
|
|
* features to h/w composer.
|
|
*/
|
|
class HWCLayerInterface {
|
|
protected:
|
|
virtual ~HWCLayerInterface() { }
|
|
public:
|
|
virtual int32_t getCompositionType() const = 0;
|
|
virtual uint32_t getHints() const = 0;
|
|
virtual sp<Fence> getAndResetReleaseFence() = 0;
|
|
virtual void setDefaultState() = 0;
|
|
virtual void setSkip(bool skip) = 0;
|
|
virtual void setIsCursorLayerHint(bool isCursor = true) = 0;
|
|
virtual void setBlending(uint32_t blending) = 0;
|
|
virtual void setTransform(uint32_t transform) = 0;
|
|
virtual void setFrame(const Rect& frame) = 0;
|
|
virtual void setCrop(const FloatRect& crop) = 0;
|
|
virtual void setVisibleRegionScreen(const Region& reg) = 0;
|
|
virtual void setSidebandStream(const sp<NativeHandle>& stream) = 0;
|
|
virtual void setBuffer(const sp<GraphicBuffer>& buffer) = 0;
|
|
virtual void setAcquireFenceFd(int fenceFd) = 0;
|
|
virtual void setPlaneAlpha(uint8_t alpha) = 0;
|
|
virtual void onDisplayed() = 0;
|
|
};
|
|
|
|
/*
|
|
* Interface used to implement an iterator to a list
|
|
* of HWCLayer.
|
|
*/
|
|
class HWCLayer : public HWCLayerInterface {
|
|
friend class LayerListIterator;
|
|
// select the layer at the given index
|
|
virtual status_t setLayer(size_t index) = 0;
|
|
virtual HWCLayer* dup() = 0;
|
|
static HWCLayer* copy(HWCLayer *rhs) {
|
|
return rhs ? rhs->dup() : NULL;
|
|
}
|
|
protected:
|
|
virtual ~HWCLayer() { }
|
|
};
|
|
|
|
/*
|
|
* Iterator through a HWCLayer list.
|
|
* This behaves more or less like a forward iterator.
|
|
*/
|
|
class LayerListIterator {
|
|
friend class HWComposer;
|
|
HWCLayer* const mLayerList;
|
|
size_t mIndex;
|
|
|
|
LayerListIterator() : mLayerList(NULL), mIndex(0) { }
|
|
|
|
LayerListIterator(HWCLayer* layer, size_t index)
|
|
: mLayerList(layer), mIndex(index) { }
|
|
|
|
// we don't allow assignment, because we don't need it for now
|
|
LayerListIterator& operator = (const LayerListIterator& rhs);
|
|
|
|
public:
|
|
// copy operators
|
|
LayerListIterator(const LayerListIterator& rhs)
|
|
: mLayerList(HWCLayer::copy(rhs.mLayerList)), mIndex(rhs.mIndex) {
|
|
}
|
|
|
|
~LayerListIterator() { delete mLayerList; }
|
|
|
|
// pre-increment
|
|
LayerListIterator& operator++() {
|
|
mLayerList->setLayer(++mIndex);
|
|
return *this;
|
|
}
|
|
|
|
// dereference
|
|
HWCLayerInterface& operator * () { return *mLayerList; }
|
|
HWCLayerInterface* operator -> () { return mLayerList; }
|
|
|
|
// comparison
|
|
bool operator == (const LayerListIterator& rhs) const {
|
|
return mIndex == rhs.mIndex;
|
|
}
|
|
bool operator != (const LayerListIterator& rhs) const {
|
|
return !operator==(rhs);
|
|
}
|
|
};
|
|
|
|
// Returns an iterator to the beginning of the layer list
|
|
LayerListIterator begin(int32_t id);
|
|
|
|
// Returns an iterator to the end of the layer list
|
|
LayerListIterator end(int32_t id);
|
|
|
|
|
|
// Events handling ---------------------------------------------------------
|
|
|
|
enum {
|
|
EVENT_VSYNC = HWC_EVENT_VSYNC
|
|
};
|
|
|
|
void eventControl(int disp, int event, int enabled);
|
|
|
|
struct DisplayConfig {
|
|
uint32_t width;
|
|
uint32_t height;
|
|
float xdpi;
|
|
float ydpi;
|
|
nsecs_t refresh;
|
|
};
|
|
|
|
// Query display parameters. Pass in a display index (e.g.
|
|
// HWC_DISPLAY_PRIMARY).
|
|
nsecs_t getRefreshTimestamp(int disp) const;
|
|
sp<Fence> getDisplayFence(int disp) const;
|
|
uint32_t getFormat(int disp) const;
|
|
bool isConnected(int disp) const;
|
|
|
|
// These return the values for the current config of a given display index.
|
|
// To get the values for all configs, use getConfigs below.
|
|
uint32_t getWidth(int disp) const;
|
|
uint32_t getHeight(int disp) const;
|
|
float getDpiX(int disp) const;
|
|
float getDpiY(int disp) const;
|
|
nsecs_t getRefreshPeriod(int disp) const;
|
|
|
|
const Vector<DisplayConfig>& getConfigs(int disp) const;
|
|
size_t getCurrentConfig(int disp) const;
|
|
|
|
status_t setVirtualDisplayProperties(int32_t id, uint32_t w, uint32_t h,
|
|
uint32_t format);
|
|
|
|
// this class is only used to fake the VSync event on systems that don't
|
|
// have it.
|
|
class VSyncThread : public Thread {
|
|
HWComposer& mHwc;
|
|
mutable Mutex mLock;
|
|
Condition mCondition;
|
|
bool mEnabled;
|
|
mutable nsecs_t mNextFakeVSync;
|
|
nsecs_t mRefreshPeriod;
|
|
virtual void onFirstRef();
|
|
virtual bool threadLoop();
|
|
public:
|
|
VSyncThread(HWComposer& hwc);
|
|
void setEnabled(bool enabled);
|
|
};
|
|
|
|
friend class VSyncThread;
|
|
|
|
// for debugging ----------------------------------------------------------
|
|
void dump(String8& out) const;
|
|
|
|
private:
|
|
void loadHwcModule();
|
|
int loadFbHalModule();
|
|
|
|
LayerListIterator getLayerIterator(int32_t id, size_t index);
|
|
|
|
struct cb_context;
|
|
|
|
static void hook_invalidate(const struct hwc_procs* procs);
|
|
static void hook_vsync(const struct hwc_procs* procs, int disp,
|
|
int64_t timestamp);
|
|
static void hook_hotplug(const struct hwc_procs* procs, int disp,
|
|
int connected);
|
|
|
|
inline void invalidate();
|
|
inline void vsync(int disp, int64_t timestamp);
|
|
inline void hotplug(int disp, int connected);
|
|
|
|
status_t queryDisplayProperties(int disp);
|
|
|
|
status_t setFramebufferTarget(int32_t id,
|
|
const sp<Fence>& acquireFence, const sp<GraphicBuffer>& buf);
|
|
|
|
struct DisplayData {
|
|
DisplayData();
|
|
~DisplayData();
|
|
Vector<DisplayConfig> configs;
|
|
size_t currentConfig;
|
|
uint32_t format; // pixel format from FB hal, for pre-hwc-1.1
|
|
bool connected;
|
|
bool hasFbComp;
|
|
bool hasOvComp;
|
|
size_t capacity;
|
|
hwc_display_contents_1* list;
|
|
hwc_layer_1* framebufferTarget;
|
|
buffer_handle_t fbTargetHandle;
|
|
sp<Fence> lastRetireFence; // signals when the last set op retires
|
|
sp<Fence> lastDisplayFence; // signals when the last set op takes
|
|
// effect on screen
|
|
buffer_handle_t outbufHandle;
|
|
sp<Fence> outbufAcquireFence;
|
|
|
|
// protected by mEventControlLock
|
|
int32_t events;
|
|
};
|
|
|
|
sp<SurfaceFlinger> mFlinger;
|
|
framebuffer_device_t* mFbDev;
|
|
struct hwc_composer_device_1* mHwc;
|
|
// invariant: mLists[0] != NULL iff mHwc != NULL
|
|
// mLists[i>0] can be NULL. that display is to be ignored
|
|
struct hwc_display_contents_1* mLists[MAX_HWC_DISPLAYS];
|
|
DisplayData mDisplayData[MAX_HWC_DISPLAYS];
|
|
size_t mNumDisplays;
|
|
|
|
cb_context* mCBContext;
|
|
EventHandler& mEventHandler;
|
|
size_t mVSyncCounts[HWC_NUM_PHYSICAL_DISPLAY_TYPES];
|
|
sp<VSyncThread> mVSyncThread;
|
|
bool mDebugForceFakeVSync;
|
|
BitSet32 mAllocatedDisplayIDs;
|
|
|
|
// protected by mLock
|
|
mutable Mutex mLock;
|
|
mutable nsecs_t mLastHwVSync[HWC_NUM_PHYSICAL_DISPLAY_TYPES];
|
|
|
|
// thread-safe
|
|
mutable Mutex mEventControlLock;
|
|
};
|
|
|
|
// ---------------------------------------------------------------------------
|
|
}; // namespace android
|
|
|
|
#endif // ANDROID_SF_HWCOMPOSER_H
|