1 /* 2 * Copyright (c) 2014-2016, The Linux Foundation. All rights reserved. 3 * Not a Contribution. 4 * 5 * Copyright 2015 The Android Open Source Project 6 * 7 * Licensed under the Apache License, Version 2.0 (the "License"); 8 * you may not use this file except in compliance with the License. 9 * You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, software 14 * distributed under the License is distributed on an "AS IS" BASIS, 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 16 * See the License for the specific language governing permissions and 17 * limitations under the License. 18 */ 19 20 #ifndef __HWC_LAYERS_H__ 21 #define __HWC_LAYERS_H__ 22 23 /* This class translates HWC2 Layer functions to the SDM LayerStack 24 */ 25 26 #include <gralloc_priv.h> 27 #include <qdMetaData.h> 28 #include <core/layer_stack.h> 29 #define HWC2_INCLUDE_STRINGIFICATION 30 #define HWC2_USE_CPP11 31 #include <hardware/hwcomposer2.h> 32 #undef HWC2_INCLUDE_STRINGIFICATION 33 #undef HWC2_USE_CPP11 34 #include <set> 35 #include <map> 36 #include <queue> 37 38 namespace sdm { 39 40 enum GeometryChanges { 41 kNone = 0x000, 42 kBlendMode = 0x001, 43 kDataspace = 0x002, 44 kDisplayFrame = 0x004, 45 kPlaneAlpha = 0x008, 46 kSourceCrop = 0x010, 47 kTransform = 0x020, 48 kZOrder = 0x040, 49 kAdded = 0x080, 50 kRemoved = 0x100, 51 }; 52 53 class HWCLayer { 54 public: 55 explicit HWCLayer(hwc2_display_t display_id); 56 ~HWCLayer(); GetZ()57 uint32_t GetZ() const { return z_; } GetId()58 hwc2_layer_t GetId() const { return id_; } GetSDMLayer()59 Layer *GetSDMLayer() { return layer_; } 60 61 HWC2::Error SetLayerBlendMode(HWC2::BlendMode mode); 62 HWC2::Error SetLayerBuffer(buffer_handle_t buffer, int32_t acquire_fence); 63 HWC2::Error SetLayerColor(hwc_color_t color); 64 HWC2::Error SetLayerCompositionType(HWC2::Composition type); 65 HWC2::Error SetLayerDataspace(int32_t dataspace); 66 HWC2::Error SetLayerDisplayFrame(hwc_rect_t frame); 67 HWC2::Error SetLayerPlaneAlpha(float alpha); 68 HWC2::Error SetLayerSourceCrop(hwc_frect_t crop); 69 HWC2::Error SetLayerSurfaceDamage(hwc_region_t damage); 70 HWC2::Error SetLayerTransform(HWC2::Transform transform); 71 HWC2::Error SetLayerVisibleRegion(hwc_region_t visible); 72 HWC2::Error SetLayerZOrder(uint32_t z); 73 void SetComposition(const LayerComposition &sdm_composition); GetClientRequestedCompositionType()74 HWC2::Composition GetClientRequestedCompositionType() { return client_requested_; } UpdateClientCompositionType(HWC2::Composition type)75 void UpdateClientCompositionType(HWC2::Composition type) { client_requested_ = type; } GetDeviceSelectedCompositionType()76 HWC2::Composition GetDeviceSelectedCompositionType() { return device_selected_; } GetGeometryChanges()77 uint32_t GetGeometryChanges() { return geometry_changes_; } ResetGeometryChanges()78 void ResetGeometryChanges() { geometry_changes_ = GeometryChanges::kNone; } 79 void PushReleaseFence(int32_t fence); 80 int32_t PopReleaseFence(void); 81 82 private: 83 Layer *layer_ = nullptr; 84 uint32_t z_ = 0; 85 const hwc2_layer_t id_; 86 const hwc2_display_t display_id_; 87 static std::atomic<hwc2_layer_t> next_id_; 88 std::queue<int32_t> release_fences_; 89 int ion_fd_ = -1; 90 91 // Composition requested by client(SF) 92 HWC2::Composition client_requested_ = HWC2::Composition::Device; 93 // Composition selected by SDM 94 HWC2::Composition device_selected_ = HWC2::Composition::Device; 95 uint32_t geometry_changes_ = GeometryChanges::kNone; 96 97 void SetRect(const hwc_rect_t &source, LayerRect *target); 98 void SetRect(const hwc_frect_t &source, LayerRect *target); 99 uint32_t GetUint32Color(const hwc_color_t &source); 100 LayerBufferFormat GetSDMFormat(const int32_t &source, const int flags); 101 LayerBufferS3DFormat GetS3DFormat(uint32_t s3d_format); 102 DisplayError SetMetaData(const private_handle_t *pvt_handle, Layer *layer); 103 DisplayError SetCSC(ColorSpace_t source, LayerCSC *target); 104 DisplayError SetIGC(IGC_t source, LayerIGC *target); 105 uint32_t RoundToStandardFPS(float fps); 106 }; 107 108 struct SortLayersByZ { operatorSortLayersByZ109 bool operator()(const HWCLayer *lhs, const HWCLayer *rhs) { 110 return lhs->GetZ() < rhs->GetZ(); 111 } 112 }; 113 114 } // namespace sdm 115 #endif // __HWC_LAYERS_H__ 116