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