Home | History | Annotate | Download | only in libhwcomposer 
      1 /*
      2  * Copyright (C) 2010 The Android Open Source Project
      3  * Copyright (C)2012-2014, The Linux Foundation. All rights reserved.
      4  *
      5  * Not a Contribution, Apache license notifications and license are retained
      6  * for attribution purposes only.
      7  *
      8  * Licensed under the Apache License, Version 2.0 (the "License");
      9  * you may not use this file except in compliance with the License.
     10  * You may obtain a copy of the License at
     11  *
     12  *      http://www.apache.org/licenses/LICENSE-2.0
     13  *
     14  * Unless required by applicable law or agreed to in writing, software
     15  * distributed under the License is distributed on an "AS IS" BASIS,
     16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     17  * See the License for the specific language governing permissions and
     18  * limitations under the License.
     19  */
     20 
     21 #ifndef HWC_UTILS_H
     22 #define HWC_UTILS_H
     23 
     24 #define HWC_REMOVE_DEPRECATED_VERSIONS 1
     25 #include <fcntl.h>
     26 #include <math.h>
     27 #include <hardware/hwcomposer.h>
     28 #include <gr.h>
     29 #include <gralloc_priv.h>
     30 #include <utils/String8.h>
     31 #include "qdMetaData.h"
     32 #include <overlayUtils.h>
     33 #include <EGL/egl.h>
     34 
     35 
     36 #define ALIGN_TO(x, align)     (((x) + ((align)-1)) & ~((align)-1))
     37 #define LIKELY( exp )       (__builtin_expect( (exp) != 0, true  ))
     38 #define UNLIKELY( exp )     (__builtin_expect( (exp) != 0, false ))
     39 #define MAX_NUM_APP_LAYERS 32
     40 #define MIN_DISPLAY_XRES 200
     41 #define MIN_DISPLAY_YRES 200
     42 #define HWC_WFDDISPSYNC_LOG 0
     43 #define STR(f) #f;
     44 // Max number of PTOR layers handled
     45 #define MAX_PTOR_LAYERS 2
     46 
     47 //Fwrd decls
     48 struct hwc_context_t;
     49 
     50 namespace ovutils = overlay::utils;
     51 
     52 namespace overlay {
     53 class Overlay;
     54 class Rotator;
     55 class RotMgr;
     56 }
     57 
     58 namespace qhwc {
     59 //fwrd decl
     60 class QueuedBufferStore;
     61 class ExternalDisplay;
     62 class VirtualDisplay;
     63 class IFBUpdate;
     64 class IVideoOverlay;
     65 class MDPComp;
     66 class CopyBit;
     67 class HwcDebug;
     68 class AssertiveDisplay;
     69 class HWCVirtualBase;
     70 
     71 
     72 struct MDPInfo {
     73     int version;
     74     char panel;
     75     bool hasOverlay;
     76 };
     77 
     78 struct DisplayAttributes {
     79     uint32_t vsync_period; //nanos
     80     uint32_t xres;
     81     uint32_t yres;
     82     uint32_t stride;
     83     float xdpi;
     84     float ydpi;
     85     int fd;
     86     bool connected; //Applies only to pluggable disp.
     87     //Connected does not mean it ready to use.
     88     //It should be active also. (UNBLANKED)
     89     bool isActive;
     90     // In pause state, composition is bypassed
     91     // used for WFD displays only
     92     bool isPause;
     93     // To trigger padding round to clean up mdp
     94     // pipes
     95     bool isConfiguring;
     96     // External Display is in MDP Downscale mode indicator
     97     bool mDownScaleMode;
     98     // Ext dst Rect
     99     hwc_rect_t mDstRect;
    100     //Action safe attributes
    101     // Flag to indicate the presence of action safe dimensions for external
    102     bool mActionSafePresent;
    103     int mAsWidthRatio;
    104     int mAsHeightRatio;
    105 
    106     //If property fbsize set via adb shell debug.hwc.fbsize = XRESxYRES
    107     //following fields are used.
    108     bool customFBSize;
    109     uint32_t xres_new;
    110     uint32_t yres_new;
    111     //This is the last value that was attempted to be set on the driver
    112     //It is only used to restore the last active power mode
    113     //in case of an ESD event.
    114     int lastPowerMode;
    115 
    116 };
    117 
    118 struct ListStats {
    119     int numAppLayers; //Total - 1, excluding FB layer.
    120     int skipCount;
    121     int fbLayerIndex; //Always last for now. = numAppLayers
    122     //Video specific
    123     int yuvCount;
    124     int yuvIndices[MAX_NUM_APP_LAYERS];
    125     int extOnlyLayerIndex;
    126     bool preMultipliedAlpha;
    127     int yuv4k2kIndices[MAX_NUM_APP_LAYERS];
    128     int yuv4k2kCount;
    129     // Notifies hwcomposer about the start and end of animation
    130     // This will be set to true during animation, otherwise false.
    131     bool isDisplayAnimating;
    132     bool secureUI; // Secure display layer
    133     bool isSecurePresent;
    134     hwc_rect_t lRoi;  //left ROI
    135     hwc_rect_t rRoi;  //right ROI. Unused in single DSI panels.
    136     //App Buffer Composition index
    137     int  renderBufIndexforABC;
    138 };
    139 
    140 //PTOR Comp info
    141 struct PtorInfo {
    142     int count;
    143     int layerIndex[MAX_PTOR_LAYERS];
    144     int mRenderBuffOffset[MAX_PTOR_LAYERS];
    145     hwc_rect_t displayFrame[MAX_PTOR_LAYERS];
    146     bool isActive() { return (count>0); }
    147     int getPTORArrayIndex(int index) {
    148         int idx = -1;
    149         for(int i = 0; i < count; i++) {
    150             if(index == layerIndex[i])
    151                 idx = i;
    152         }
    153         return idx;
    154     }
    155 };
    156 
    157 struct LayerProp {
    158     uint32_t mFlags; //qcom specific layer flags
    159     LayerProp():mFlags(0){};
    160 };
    161 
    162 struct VsyncState {
    163     bool enable;
    164     bool fakevsync;
    165     bool debug;
    166 };
    167 
    168 struct BwcPM {
    169     static void setBwc(const hwc_rect_t& crop,
    170             const hwc_rect_t& dst, const int& transform,
    171             ovutils::eMdpFlags& mdpFlags);
    172 };
    173 
    174 // LayerProp::flag values
    175 enum {
    176     HWC_MDPCOMP = 0x00000001,
    177     HWC_COPYBIT = 0x00000002,
    178 };
    179 
    180 // HAL specific features
    181 enum {
    182     HWC_COLOR_FILL = 0x00000008,
    183     HWC_FORMAT_RB_SWAP = 0x00000040,
    184 };
    185 
    186 /* External Display states */
    187 enum {
    188     EXTERNAL_OFFLINE = 0,
    189     EXTERNAL_ONLINE,
    190     EXTERNAL_PAUSE,
    191     EXTERNAL_RESUME,
    192     EXTERNAL_MAXSTATES
    193 };
    194 
    195 class LayerRotMap {
    196 public:
    197     LayerRotMap() { reset(); }
    198     enum { MAX_SESS = 3 };
    199     void add(hwc_layer_1_t* layer, overlay::Rotator *rot);
    200     //Resets the mapping of layer to rotator
    201     void reset();
    202     //Clears mappings and existing rotator fences
    203     //Intended to be used during errors
    204     void clear();
    205     uint32_t getCount() const;
    206     hwc_layer_1_t* getLayer(uint32_t index) const;
    207     overlay::Rotator* getRot(uint32_t index) const;
    208     void setReleaseFd(const int& fence);
    209 private:
    210     hwc_layer_1_t* mLayer[MAX_SESS];
    211     overlay::Rotator* mRot[MAX_SESS];
    212     uint32_t mCount;
    213 };
    214 
    215 inline uint32_t LayerRotMap::getCount() const {
    216     return mCount;
    217 }
    218 
    219 inline hwc_layer_1_t* LayerRotMap::getLayer(uint32_t index) const {
    220     if(index >= mCount) return NULL;
    221     return mLayer[index];
    222 }
    223 
    224 inline overlay::Rotator* LayerRotMap::getRot(uint32_t index) const {
    225     if(index >= mCount) return NULL;
    226     return mRot[index];
    227 }
    228 
    229 inline hwc_rect_t integerizeSourceCrop(const hwc_frect_t& cropF) {
    230     hwc_rect_t cropI = {0,0,0,0};
    231     cropI.left = int(ceilf(cropF.left));
    232     cropI.top = int(ceilf(cropF.top));
    233     cropI.right = int(floorf(cropF.right));
    234     cropI.bottom = int(floorf(cropF.bottom));
    235     return cropI;
    236 }
    237 
    238 inline bool isNonIntegralSourceCrop(const hwc_frect_t& cropF) {
    239     if(cropF.left - roundf(cropF.left)     ||
    240        cropF.top - roundf(cropF.top)       ||
    241        cropF.right - roundf(cropF.right)   ||
    242        cropF.bottom - roundf(cropF.bottom))
    243         return true;
    244     else
    245         return false;
    246 }
    247 
    248 // -----------------------------------------------------------------------------
    249 // Utility functions - implemented in hwc_utils.cpp
    250 void dumpLayer(hwc_layer_1_t const* l);
    251 void setListStats(hwc_context_t *ctx, hwc_display_contents_1_t *list,
    252         int dpy);
    253 void initContext(hwc_context_t *ctx);
    254 void closeContext(hwc_context_t *ctx);
    255 //Crops source buffer against destination and FB boundaries
    256 void calculate_crop_rects(hwc_rect_t& crop, hwc_rect_t& dst,
    257                          const hwc_rect_t& scissor, int orient);
    258 void getNonWormholeRegion(hwc_display_contents_1_t* list,
    259                               hwc_rect_t& nwr);
    260 bool isSecuring(hwc_context_t* ctx, hwc_layer_1_t const* layer);
    261 bool isSecureModePolicy(int mdpVersion);
    262 // Returns true, if the input layer format is supported by rotator
    263 bool isRotatorSupportedFormat(private_handle_t *hnd);
    264 //Returns true, if the layer is YUV or the layer has been rendered by CPU
    265 bool isRotationDoable(hwc_context_t *ctx, private_handle_t *hnd);
    266 bool isExternalActive(hwc_context_t* ctx);
    267 bool isAlphaScaled(hwc_layer_1_t const* layer);
    268 bool needsScaling(hwc_layer_1_t const* layer);
    269 bool isDownscaleRequired(hwc_layer_1_t const* layer);
    270 bool needsScalingWithSplit(hwc_context_t* ctx, hwc_layer_1_t const* layer,
    271                            const int& dpy);
    272 void sanitizeSourceCrop(hwc_rect_t& cropL, hwc_rect_t& cropR,
    273                         private_handle_t *hnd);
    274 bool isAlphaPresent(hwc_layer_1_t const* layer);
    275 int hwc_vsync_control(hwc_context_t* ctx, int dpy, int enable);
    276 int getBlending(int blending);
    277 bool isGLESOnlyComp(hwc_context_t *ctx, const int& dpy);
    278 void reset_layer_prop(hwc_context_t* ctx, int dpy, int numAppLayers);
    279 bool isAbcInUse(hwc_context_t *ctx);
    280 
    281 void dumpBuffer(private_handle_t *ohnd, char *bufferName);
    282 
    283 //Helper function to dump logs
    284 void dumpsys_log(android::String8& buf, const char* fmt, ...);
    285 
    286 int getExtOrientation(hwc_context_t* ctx);
    287 bool isValidRect(const hwc_rect_t& rect);
    288 hwc_rect_t deductRect(const hwc_rect_t& rect1, const hwc_rect_t& rect2);
    289 bool isSameRect(const hwc_rect& rect1, const hwc_rect& rect2);
    290 hwc_rect_t moveRect(const hwc_rect_t& rect, const int& x_off, const int& y_off);
    291 hwc_rect_t getIntersection(const hwc_rect_t& rect1, const hwc_rect_t& rect2);
    292 hwc_rect_t getUnion(const hwc_rect_t& rect1, const hwc_rect_t& rect2);
    293 void optimizeLayerRects(const hwc_display_contents_1_t *list);
    294 bool areLayersIntersecting(const hwc_layer_1_t* layer1,
    295         const hwc_layer_1_t* layer2);
    296 bool operator ==(const hwc_rect_t& lhs, const hwc_rect_t& rhs);
    297 
    298 // returns true if Action safe dimensions are set and target supports Actionsafe
    299 bool isActionSafePresent(hwc_context_t *ctx, int dpy);
    300 
    301 /* Calculates the destination position based on the action safe rectangle */
    302 void getActionSafePosition(hwc_context_t *ctx, int dpy, hwc_rect_t& dst);
    303 
    304 void getAspectRatioPosition(hwc_context_t* ctx, int dpy, int extOrientation,
    305                                 hwc_rect_t& inRect, hwc_rect_t& outRect);
    306 
    307 bool isPrimaryPortrait(hwc_context_t *ctx);
    308 
    309 bool isOrientationPortrait(hwc_context_t *ctx);
    310 
    311 void calcExtDisplayPosition(hwc_context_t *ctx,
    312                                private_handle_t *hnd,
    313                                int dpy,
    314                                hwc_rect_t& sourceCrop,
    315                                hwc_rect_t& displayFrame,
    316                                int& transform,
    317                                ovutils::eTransform& orient);
    318 
    319 // Returns the orientation that needs to be set on external for
    320 // BufferMirrirMode(Sidesync)
    321 int getMirrorModeOrientation(hwc_context_t *ctx);
    322 
    323 /* Get External State names */
    324 const char* getExternalDisplayState(uint32_t external_state);
    325 
    326 // Resets display ROI to full panel resoluion
    327 void resetROI(hwc_context_t *ctx, const int dpy);
    328 
    329 // Aligns updating ROI to panel restrictions
    330 hwc_rect_t getSanitizeROI(struct hwc_rect roi, hwc_rect boundary);
    331 
    332 // Handles wfd Pause and resume events
    333 void handle_pause(hwc_context_t *ctx, int dpy);
    334 void handle_resume(hwc_context_t *ctx, int dpy);
    335 
    336 //Close acquireFenceFds of all layers of incoming list
    337 void closeAcquireFds(hwc_display_contents_1_t* list);
    338 
    339 //Sync point impl.
    340 int hwc_sync(hwc_context_t *ctx, hwc_display_contents_1_t* list, int dpy,
    341         int fd);
    342 
    343 //Sets appropriate mdp flags for a layer.
    344 void setMdpFlags(hwc_context_t *ctx, hwc_layer_1_t *layer,
    345         ovutils::eMdpFlags &mdpFlags,
    346         int rotDownscale, int transform);
    347 
    348 int configRotator(overlay::Rotator *rot, ovutils::Whf& whf,
    349         hwc_rect_t& crop, const ovutils::eMdpFlags& mdpFlags,
    350         const ovutils::eTransform& orient, const int& downscale);
    351 
    352 int configMdp(overlay::Overlay *ov, const ovutils::PipeArgs& parg,
    353         const ovutils::eTransform& orient, const hwc_rect_t& crop,
    354         const hwc_rect_t& pos, const MetaData_t *metadata,
    355         const ovutils::eDest& dest);
    356 
    357 int configColorLayer(hwc_context_t *ctx, hwc_layer_1_t *layer, const int& dpy,
    358         ovutils::eMdpFlags& mdpFlags, ovutils::eZorder& z,
    359         ovutils::eIsFg& isFg, const ovutils::eDest& dest);
    360 
    361 void updateSource(ovutils::eTransform& orient, ovutils::Whf& whf,
    362         hwc_rect_t& crop, overlay::Rotator *rot);
    363 
    364 //Routine to configure low resolution panels (<= 2048 width)
    365 int configureNonSplit(hwc_context_t *ctx, hwc_layer_1_t *layer, const int& dpy,
    366         ovutils::eMdpFlags& mdpFlags, ovutils::eZorder& z,
    367         ovutils::eIsFg& isFg, const ovutils::eDest& dest,
    368         overlay::Rotator **rot);
    369 
    370 //Routine to configure high resolution panels (> 2048 width)
    371 int configureSplit(hwc_context_t *ctx, hwc_layer_1_t *layer, const int& dpy,
    372         ovutils::eMdpFlags& mdpFlags, ovutils::eZorder& z,
    373         ovutils::eIsFg& isFg, const ovutils::eDest& lDest,
    374         const ovutils::eDest& rDest, overlay::Rotator **rot);
    375 
    376 //Routine to split and configure high resolution YUV layer (> 2048 width)
    377 int configureSourceSplit(hwc_context_t *ctx, hwc_layer_1_t *layer,
    378         const int& dpy,
    379         ovutils::eMdpFlags& mdpFlags, ovutils::eZorder& z,
    380         ovutils::eIsFg& isFg, const ovutils::eDest& lDest,
    381         const ovutils::eDest& rDest, overlay::Rotator **rot);
    382 
    383 //On certain targets DMA pipes are used for rotation and they won't be available
    384 //for line operations. On a per-target basis we can restrict certain use cases
    385 //from using rotator, since we know before-hand that such scenarios can lead to
    386 //extreme unavailability of pipes. This can also be done via hybrid calculations
    387 //also involving many more variables like number of write-back interfaces etc,
    388 //but the variety of scenarios is too high to warrant that.
    389 bool canUseRotator(hwc_context_t *ctx, int dpy);
    390 
    391 int getLeftSplit(hwc_context_t *ctx, const int& dpy);
    392 
    393 bool isDisplaySplit(hwc_context_t* ctx, int dpy);
    394 
    395 // Set the GPU hint flag to high for MIXED/GPU composition only for
    396 // first frame after MDP to GPU/MIXED mode transition.
    397 // Set the GPU hint to default if the current composition type is GPU
    398 // due to idle fallback or MDP composition.
    399 void setGPUHint(hwc_context_t* ctx, hwc_display_contents_1_t* list);
    400 
    401 // Returns true if rect1 is peripheral to rect2, false otherwise.
    402 bool isPeripheral(const hwc_rect_t& rect1, const hwc_rect_t& rect2);
    403 
    404 // Inline utility functions
    405 static inline bool isSkipLayer(const hwc_layer_1_t* l) {
    406     return (UNLIKELY(l && (l->flags & HWC_SKIP_LAYER)));
    407 }
    408 
    409 // Returns true if the buffer is yuv
    410 static inline bool isYuvBuffer(const private_handle_t* hnd) {
    411     return (hnd && (hnd->bufferType == BUFFER_TYPE_VIDEO));
    412 }
    413 
    414 // Returns true if the buffer is yuv
    415 static inline bool is4kx2kYuvBuffer(const private_handle_t* hnd) {
    416     return (hnd && (hnd->bufferType == BUFFER_TYPE_VIDEO) &&
    417             (hnd->width > 2048));
    418 }
    419 
    420 // Returns true if the buffer is secure
    421 static inline bool isSecureBuffer(const private_handle_t* hnd) {
    422     return (hnd && (private_handle_t::PRIV_FLAGS_SECURE_BUFFER & hnd->flags));
    423 }
    424 
    425 static inline bool isTileRendered(const private_handle_t* hnd) {
    426     return (hnd && (private_handle_t::PRIV_FLAGS_TILE_RENDERED & hnd->flags));
    427 }
    428 
    429 static inline bool isCPURendered(const private_handle_t* hnd) {
    430     return (hnd && (private_handle_t::PRIV_FLAGS_CPU_RENDERED & hnd->flags));
    431 }
    432 
    433 //Return true if buffer is marked locked
    434 static inline bool isBufferLocked(const private_handle_t* hnd) {
    435     return (hnd && (private_handle_t::PRIV_FLAGS_HWC_LOCK & hnd->flags));
    436 }
    437 
    438 //Return true if buffer is for external display only
    439 static inline bool isExtOnly(const private_handle_t* hnd) {
    440     return (hnd && (hnd->flags & private_handle_t::PRIV_FLAGS_EXTERNAL_ONLY));
    441 }
    442 
    443 //Return true if the buffer is intended for Secure Display
    444 static inline bool isSecureDisplayBuffer(const private_handle_t* hnd) {
    445     return (hnd && (hnd->flags & private_handle_t::PRIV_FLAGS_SECURE_DISPLAY));
    446 }
    447 
    448 static inline int getWidth(const private_handle_t* hnd) {
    449     if(isYuvBuffer(hnd)) {
    450         MetaData_t *metadata = reinterpret_cast<MetaData_t*>(hnd->base_metadata);
    451         if(metadata && metadata->operation & UPDATE_BUFFER_GEOMETRY) {
    452             return metadata->bufferDim.sliceWidth;
    453         }
    454     }
    455     return hnd->width;
    456 }
    457 
    458 static inline int getHeight(const private_handle_t* hnd) {
    459     if(isYuvBuffer(hnd)) {
    460         MetaData_t *metadata = reinterpret_cast<MetaData_t*>(hnd->base_metadata);
    461         if(metadata && metadata->operation & UPDATE_BUFFER_GEOMETRY) {
    462             return metadata->bufferDim.sliceHeight;
    463         }
    464     }
    465     return hnd->height;
    466 }
    467 
    468 template<typename T> inline T max(T a, T b) { return (a > b) ? a : b; }
    469 template<typename T> inline T min(T a, T b) { return (a < b) ? a : b; }
    470 
    471 // Initialize uevent thread
    472 void init_uevent_thread(hwc_context_t* ctx);
    473 // Initialize vsync thread
    474 void init_vsync_thread(hwc_context_t* ctx);
    475 
    476 inline void getLayerResolution(const hwc_layer_1_t* layer,
    477                                int& width, int& height) {
    478     hwc_rect_t displayFrame  = layer->displayFrame;
    479     width = displayFrame.right - displayFrame.left;
    480     height = displayFrame.bottom - displayFrame.top;
    481 }
    482 
    483 static inline int openFb(int dpy) {
    484     int fd = -1;
    485     const char *devtmpl = "/dev/graphics/fb%u";
    486     char name[64] = {0};
    487     snprintf(name, 64, devtmpl, dpy);
    488     fd = open(name, O_RDWR);
    489     return fd;
    490 }
    491 
    492 template <class T>
    493 inline void swap(T& a, T& b) {
    494     T tmp = a;
    495     a = b;
    496     b = tmp;
    497 }
    498 
    499 }; //qhwc namespace
    500 
    501 enum eAnimationState{
    502     ANIMATION_STOPPED,
    503     ANIMATION_STARTED,
    504 };
    505 
    506 enum eCompositionState {
    507     COMPOSITION_STATE_MDP = 0,        // Set if composition type is MDP
    508     COMPOSITION_STATE_GPU,            // Set if composition type is GPU or MIXED
    509     COMPOSITION_STATE_IDLE_FALLBACK,  // Set if it is idlefallback
    510 };
    511 
    512 // Structure holds the information about the GPU hint.
    513 struct gpu_hint_info {
    514     // system level flag to enable gpu_perf_mode
    515     bool mGpuPerfModeEnable;
    516     // Stores the current GPU performance mode DEFAULT/HIGH
    517     bool mCurrGPUPerfMode;
    518     // Stores the compositon state GPU, MDP or IDLE_FALLBACK
    519     bool mCompositionState;
    520     // Stores the EGLContext of current process
    521     EGLContext mEGLContext;
    522     // Stores the EGLDisplay of current process
    523     EGLDisplay mEGLDisplay;
    524 };
    525 
    526 // -----------------------------------------------------------------------------
    527 // HWC context
    528 // This structure contains overall state
    529 struct hwc_context_t {
    530     hwc_composer_device_1_t device;
    531     const hwc_procs_t* proc;
    532 
    533     //CopyBit objects
    534     qhwc::CopyBit *mCopyBit[HWC_NUM_DISPLAY_TYPES];
    535 
    536     //Overlay object - NULL for non overlay devices
    537     overlay::Overlay *mOverlay;
    538     //Holds a few rot objects
    539     overlay::RotMgr *mRotMgr;
    540 
    541     //Primary and external FB updater
    542     qhwc::IFBUpdate *mFBUpdate[HWC_NUM_DISPLAY_TYPES];
    543     // External display related information
    544     qhwc::ExternalDisplay *mExtDisplay;
    545     qhwc::VirtualDisplay *mVirtualDisplay;
    546     qhwc::MDPInfo mMDP;
    547     qhwc::VsyncState vstate;
    548     qhwc::DisplayAttributes dpyAttr[HWC_NUM_DISPLAY_TYPES];
    549     qhwc::ListStats listStats[HWC_NUM_DISPLAY_TYPES];
    550     qhwc::LayerProp *layerProp[HWC_NUM_DISPLAY_TYPES];
    551     qhwc::MDPComp *mMDPComp[HWC_NUM_DISPLAY_TYPES];
    552     qhwc::HwcDebug *mHwcDebug[HWC_NUM_DISPLAY_TYPES];
    553     hwc_rect_t mViewFrame[HWC_NUM_DISPLAY_TYPES];
    554     qhwc::AssertiveDisplay *mAD;
    555     eAnimationState mAnimationState[HWC_NUM_DISPLAY_TYPES];
    556     qhwc::HWCVirtualBase *mHWCVirtual;
    557 
    558     // stores the #numHwLayers of the previous frame
    559     // for each display device
    560     int mPrevHwLayerCount[HWC_NUM_DISPLAY_TYPES];
    561 
    562     // stores the primary device orientation
    563     int deviceOrientation;
    564     //Securing in progress indicator
    565     bool mSecuring;
    566     //WFD on proprietary stack
    567     bool mVirtualonExtActive;
    568     //Display in secure mode indicator
    569     bool mSecureMode;
    570     //Lock to protect drawing data structures
    571     mutable Locker mDrawLock;
    572     //Drawing round when we use GPU
    573     bool isPaddingRound;
    574     // External Orientation
    575     int mExtOrientation;
    576     //Flags the transition of a video session
    577     bool mVideoTransFlag;
    578     //Used for SideSync feature
    579     //which overrides the mExtOrientation
    580     bool mBufferMirrorMode;
    581     // Used to synchronize between WFD and Display modules
    582     mutable Locker mWfdSyncLock;
    583 
    584     qhwc::LayerRotMap *mLayerRotMap[HWC_NUM_DISPLAY_TYPES];
    585     // Panel reset flag will be set if BTA check fails
    586     bool mPanelResetStatus;
    587     // number of active Displays
    588     int numActiveDisplays;
    589     // Downscale feature switch, set via system property
    590     // sys.hwc.mdp_downscale_enabled
    591     bool mMDPDownscaleEnabled;
    592     // Is WFD enabled through VDS solution ?
    593     // This can be set via system property
    594     // persist.hwc.enable_vds
    595     bool mVDSEnabled;
    596     struct gpu_hint_info mGPUHintInfo;
    597     //App Buffer Composition
    598     bool enableABC;
    599     // PTOR Info
    600     qhwc::PtorInfo mPtorInfo;
    601 };
    602 
    603 namespace qhwc {
    604 static inline bool isSkipPresent (hwc_context_t *ctx, int dpy) {
    605     return  ctx->listStats[dpy].skipCount;
    606 }
    607 
    608 static inline bool isYuvPresent (hwc_context_t *ctx, int dpy) {
    609     return  ctx->listStats[dpy].yuvCount;
    610 }
    611 
    612 static inline bool has90Transform(hwc_layer_1_t const* layer) {
    613     return ((layer->transform & HWC_TRANSFORM_ROT_90) &&
    614             !(layer->flags & HWC_COLOR_FILL));
    615 }
    616 
    617 inline bool isSecurePresent(hwc_context_t *ctx, int dpy) {
    618     return ctx->listStats[dpy].isSecurePresent;
    619 }
    620 
    621 static inline bool isSecondaryConfiguring(hwc_context_t* ctx) {
    622     return (ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].isConfiguring ||
    623             ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].isConfiguring);
    624 }
    625 
    626 static inline bool isSecondaryConnected(hwc_context_t* ctx) {
    627     return (ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].connected ||
    628             ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].connected);
    629 }
    630 
    631 };
    632 
    633 #endif //HWC_UTILS_H
    634