1 /* 2 // Copyright(c)2014 IntelCorporation 3 // 4 // LicensedundertheApacheLicense,Version2.0(the"License"); 5 // youmaynotusethisfileexceptincompliancewiththeLicense. 6 // YoumayobtainacopyoftheLicenseat 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unlessrequiredbyapplicablelaworagreedtoinwriting,software 11 // distributedundertheLicenseisdistributedonan"ASIS"BASIS, 12 // WITHOUTWARRANTIESORCONDITIONSOFANYKIND,eitherexpressorimplied. 13 // SeetheLicenseforthespecificlanguagegoverningpermissionsand 14 // limitationsundertheLicense. 15 */ 16 #ifndef HWC_LAYER_H 17 #define HWC_LAYER_H 18 19 #include <hardware/hwcomposer.h> 20 #include <DisplayPlane.h> 21 22 23 namespace android { 24 namespace intel { 25 26 class HwcLayer { 27 public: 28 enum { 29 // LAYER_FB layers are marked as HWC_FRAMEBUFFER. 30 // And a LAYER_FB can become HWC_OVERLAY layers during 31 // revisiting layer list. 32 LAYER_FB = 0, 33 // LAYER_FORCE_FB layers are marked as HWC_FRAMEBUFFER. 34 // And a LAYER_FORCE_FB can never become HWC_OVERLAY layers during 35 // revisiting layer list. 36 LAYER_FORCE_FB, 37 // LAYER_OVERLAY layers are marked as HWC_OVERLAY 38 LAYER_OVERLAY, 39 // LAYER_SKIPPED layers are marked as HWC_OVERLAY with no plane attached 40 LAYER_SKIPPED, 41 // LAYER_FRAMEBUFFER_TARGET layers are marked as HWC_FRAMEBUFFER_TARGET 42 LAYER_FRAMEBUFFER_TARGET, 43 // LAYER_SIDEBAND layers have alternate path bypassing HWC after setup 44 LAYER_SIDEBAND, 45 // LAYER_CURSOR_OVERLAY layers support hardware cursor planes 46 LAYER_CURSOR_OVERLAY, 47 }; 48 49 enum { 50 LAYER_PRIORITY_OVERLAY = 0x60000000UL, 51 LAYER_PRIORITY_PROTECTED = 0x70000000UL, 52 LAYER_PRIORITY_SIZE_OFFSET = 4, 53 }; 54 public: 55 HwcLayer(int index, hwc_layer_1_t *layer); 56 virtual ~HwcLayer(); 57 58 // plane operations 59 bool attachPlane(DisplayPlane *plane, int device); 60 DisplayPlane* detachPlane(); 61 62 void setType(uint32_t type); 63 uint32_t getType() const; 64 int32_t getCompositionType() const; 65 void setCompositionType(int32_t type); 66 67 int getIndex() const; 68 int getZOrder() const; 69 uint32_t getFormat() const; 70 uint32_t getBufferWidth() const; 71 uint32_t getBufferHeight() const; 72 const stride_t& getBufferStride() const; 73 uint32_t getUsage() const; 74 uint32_t getHandle() const; 75 uint32_t getTransform() const; 76 bool isProtected() const; 77 hwc_layer_1_t* getLayer() const; 78 DisplayPlane* getPlane() const; 79 80 void setPriority(uint32_t priority); 81 uint32_t getPriority() const; 82 83 bool update(hwc_layer_1_t *layer); 84 void postFlip(); 85 bool isUpdated(); 86 87 public: 88 // temporary solution for plane assignment 89 bool mPlaneCandidate; 90 91 private: 92 void setupAttributes(); 93 94 private: 95 const int mIndex; 96 int mZOrder; 97 int mDevice; 98 hwc_layer_1_t *mLayer; 99 DisplayPlane *mPlane; 100 uint32_t mFormat; 101 uint32_t mWidth; 102 uint32_t mHeight; 103 stride_t mStride; 104 uint32_t mUsage; 105 uint32_t mHandle; 106 bool mIsProtected; 107 uint32_t mType; 108 uint32_t mPriority; 109 uint32_t mTransform; 110 111 // for smart composition 112 hwc_frect_t mSourceCropf; 113 hwc_rect_t mDisplayFrame; 114 bool mUpdated; 115 }; 116 117 118 } // namespace intel 119 } // namespace android 120 121 122 #endif /* HWC_LAYER_H */ 123
