1 /* 2 * Copyright (c) 2014-2017, 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 <map> 35 #include <queue> 36 #include <set> 37 #include "core/buffer_allocator.h" 38 #include "hwc_buffer_allocator.h" 39 40 namespace sdm { 41 42 DisplayError SetCSC(const private_handle_t *pvt_handle, ColorMetaData *color_metadata); 43 44 enum GeometryChanges { 45 kNone = 0x000, 46 kBlendMode = 0x001, 47 kDataspace = 0x002, 48 kDisplayFrame = 0x004, 49 kPlaneAlpha = 0x008, 50 kSourceCrop = 0x010, 51 kTransform = 0x020, 52 kZOrder = 0x040, 53 kAdded = 0x080, 54 kRemoved = 0x100, 55 }; 56 57 class HWCLayer { 58 public: 59 explicit HWCLayer(hwc2_display_t display_id, HWCBufferAllocator *buf_allocator); 60 ~HWCLayer(); 61 uint32_t GetZ() const { return z_; } 62 hwc2_layer_t GetId() const { return id_; } 63 Layer *GetSDMLayer() { return layer_; } 64 65 HWC2::Error SetLayerBlendMode(HWC2::BlendMode mode); 66 HWC2::Error SetLayerBuffer(buffer_handle_t buffer, int32_t acquire_fence); 67 HWC2::Error SetLayerColor(hwc_color_t color); 68 HWC2::Error SetLayerCompositionType(HWC2::Composition type); 69 HWC2::Error SetLayerDataspace(int32_t dataspace); 70 HWC2::Error SetLayerDisplayFrame(hwc_rect_t frame); 71 HWC2::Error SetLayerPlaneAlpha(float alpha); 72 HWC2::Error SetLayerSourceCrop(hwc_frect_t crop); 73 HWC2::Error SetLayerSurfaceDamage(hwc_region_t damage); 74 HWC2::Error SetLayerTransform(HWC2::Transform transform); 75 HWC2::Error SetLayerVisibleRegion(hwc_region_t visible); 76 HWC2::Error SetLayerZOrder(uint32_t z); 77 void SetComposition(const LayerComposition &sdm_composition); 78 HWC2::Composition GetClientRequestedCompositionType() { return client_requested_; } 79 void UpdateClientCompositionType(HWC2::Composition type) { client_requested_ = type; } 80 HWC2::Composition GetDeviceSelectedCompositionType() { return device_selected_; } 81 uint32_t GetGeometryChanges() { return geometry_changes_; } 82 void ResetGeometryChanges() { geometry_changes_ = GeometryChanges::kNone; } 83 void PushReleaseFence(int32_t fence); 84 int32_t PopReleaseFence(void); 85 86 private: 87 Layer *layer_ = nullptr; 88 uint32_t z_ = 0; 89 const hwc2_layer_t id_; 90 const hwc2_display_t display_id_; 91 static std::atomic<hwc2_layer_t> next_id_; 92 std::queue<int32_t> release_fences_; 93 int ion_fd_ = -1; 94 HWCBufferAllocator *buffer_allocator_ = NULL; 95 96 // Composition requested by client(SF) 97 HWC2::Composition client_requested_ = HWC2::Composition::Device; 98 // Composition selected by SDM 99 HWC2::Composition device_selected_ = HWC2::Composition::Device; 100 uint32_t geometry_changes_ = GeometryChanges::kNone; 101 102 void SetRect(const hwc_rect_t &source, LayerRect *target); 103 void SetRect(const hwc_frect_t &source, LayerRect *target); 104 uint32_t GetUint32Color(const hwc_color_t &source); 105 LayerBufferFormat GetSDMFormat(const int32_t &source, const int flags); 106 LayerBufferS3DFormat GetS3DFormat(uint32_t s3d_format); 107 DisplayError SetMetaData(const private_handle_t *pvt_handle, Layer *layer); 108 DisplayError SetIGC(IGC_t source, LayerIGC *target); 109 uint32_t RoundToStandardFPS(float fps); 110 }; 111 112 struct SortLayersByZ { 113 bool operator()(const HWCLayer *lhs, const HWCLayer *rhs) { 114 return lhs->GetZ() < rhs->GetZ(); 115 } 116 }; 117 118 } // namespace sdm 119 #endif // __HWC_LAYERS_H__ 120
