1 /* 2 * Copyright (c) 2014-2017, 2019, 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 bool GetColorPrimary(const int32_t &dataspace, ColorPrimaries *color_primary); 44 bool GetTransfer(const int32_t &dataspace, GammaTransfer *gamma_transfer); 45 void GetRange(const int32_t &dataspace, ColorRange *color_range); 46 bool GetSDMColorSpace(const int32_t &dataspace, ColorMetaData *color_metadata); 47 bool IsBT2020(const ColorPrimaries &color_primary); 48 enum GeometryChanges { 49 kNone = 0x000, 50 kBlendMode = 0x001, 51 kDataspace = 0x002, 52 kDisplayFrame = 0x004, 53 kPlaneAlpha = 0x008, 54 kSourceCrop = 0x010, 55 kTransform = 0x020, 56 kZOrder = 0x040, 57 kAdded = 0x080, 58 kRemoved = 0x100, 59 kBufferGeometry = 0x200, 60 }; 61 62 class HWCLayer { 63 public: 64 explicit HWCLayer(hwc2_display_t display_id, HWCBufferAllocator *buf_allocator); 65 ~HWCLayer(); GetZ()66 uint32_t GetZ() const { return z_; } GetId()67 hwc2_layer_t GetId() const { return id_; } GetSDMLayer()68 Layer *GetSDMLayer() { return layer_; } 69 70 HWC2::Error SetLayerBlendMode(HWC2::BlendMode mode); 71 HWC2::Error SetLayerBuffer(buffer_handle_t buffer, int32_t acquire_fence); 72 HWC2::Error SetLayerColor(hwc_color_t color); 73 HWC2::Error SetLayerCompositionType(HWC2::Composition type); 74 HWC2::Error SetLayerDataspace(int32_t dataspace); 75 HWC2::Error SetLayerDisplayFrame(hwc_rect_t frame); 76 HWC2::Error SetLayerPlaneAlpha(float alpha); 77 HWC2::Error SetLayerSourceCrop(hwc_frect_t crop); 78 HWC2::Error SetLayerSurfaceDamage(hwc_region_t damage); 79 HWC2::Error SetLayerTransform(HWC2::Transform transform); 80 HWC2::Error SetLayerVisibleRegion(hwc_region_t visible); 81 HWC2::Error SetLayerZOrder(uint32_t z); 82 void SetComposition(const LayerComposition &sdm_composition); GetClientRequestedCompositionType()83 HWC2::Composition GetClientRequestedCompositionType() { return client_requested_; } UpdateClientCompositionType(HWC2::Composition type)84 void UpdateClientCompositionType(HWC2::Composition type) { client_requested_ = type; } GetDeviceSelectedCompositionType()85 HWC2::Composition GetDeviceSelectedCompositionType() { return device_selected_; } GetLayerDataspace()86 int32_t GetLayerDataspace() { return dataspace_; } GetGeometryChanges()87 uint32_t GetGeometryChanges() { return geometry_changes_; } ResetGeometryChanges()88 void ResetGeometryChanges() { geometry_changes_ = GeometryChanges::kNone; } 89 void PushReleaseFence(int32_t fence); 90 int32_t PopReleaseFence(void); 91 bool ValidateAndSetCSC(); 92 bool SupportLocalConversion(ColorPrimaries working_primaries); ResetValidation()93 void ResetValidation() { needs_validate_ = false; } NeedsValidation()94 bool NeedsValidation() { return (needs_validate_ || geometry_changes_); } IsSurfaceUpdated()95 bool IsSurfaceUpdated() { return surface_updated_; } SetPartialUpdate(bool enabled)96 void SetPartialUpdate(bool enabled) { partial_update_enabled_ = enabled; } 97 98 private: 99 Layer *layer_ = nullptr; 100 uint32_t z_ = 0; 101 const hwc2_layer_t id_; 102 const hwc2_display_t display_id_; 103 static std::atomic<hwc2_layer_t> next_id_; 104 std::queue<int32_t> release_fences_; 105 int ion_fd_ = -1; 106 HWCBufferAllocator *buffer_allocator_ = NULL; 107 int32_t dataspace_ = HAL_DATASPACE_UNKNOWN; 108 bool needs_validate_ = true; 109 bool partial_update_enabled_ = false; 110 bool surface_updated_ = true; 111 112 // Composition requested by client(SF) 113 HWC2::Composition client_requested_ = HWC2::Composition::Device; 114 // Composition selected by SDM 115 HWC2::Composition device_selected_ = HWC2::Composition::Device; 116 uint32_t geometry_changes_ = GeometryChanges::kNone; 117 118 void SetRect(const hwc_rect_t &source, LayerRect *target); 119 void SetRect(const hwc_frect_t &source, LayerRect *target); 120 uint32_t GetUint32Color(const hwc_color_t &source); 121 LayerBufferFormat GetSDMFormat(const int32_t &source, const int flags); 122 LayerBufferS3DFormat GetS3DFormat(uint32_t s3d_format); 123 DisplayError SetMetaData(const private_handle_t *pvt_handle, Layer *layer); 124 DisplayError SetIGC(IGC_t source, LayerIGC *target); 125 uint32_t RoundToStandardFPS(float fps); 126 void SetDirtyRegions(hwc_region_t surface_damage); 127 }; 128 129 struct SortLayersByZ { operatorSortLayersByZ130 bool operator()(const HWCLayer *lhs, const HWCLayer *rhs) const { 131 return lhs->GetZ() < rhs->GetZ(); 132 } 133 }; 134 135 } // namespace sdm 136 #endif // __HWC_LAYERS_H__ 137