1 /* 2 * Copyright (c) 2014-2021, 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 #include <core/layer_buffer.h> 30 #include <utils/utils.h> 31 #define HWC2_INCLUDE_STRINGIFICATION 32 #define HWC2_USE_CPP11 33 #include <hardware/hwcomposer2.h> 34 #undef HWC2_INCLUDE_STRINGIFICATION 35 #undef HWC2_USE_CPP11 36 #include <android/hardware/graphics/composer/2.3/IComposerClient.h> 37 #include <vendor/qti/hardware/display/composer/3.0/IQtiComposerClient.h> 38 39 #include <deque> 40 #include <map> 41 #include <set> 42 43 #include "core/buffer_allocator.h" 44 #include "hwc_buffer_allocator.h" 45 46 using PerFrameMetadataKey = 47 android::hardware::graphics::composer::V2_3::IComposerClient::PerFrameMetadataKey; 48 using vendor::qti::hardware::display::composer::V3_0::IQtiComposerClient; 49 using android::hardware::graphics::common::V1_2::Dataspace; 50 51 namespace sdm { 52 53 DisplayError SetCSC(const private_handle_t *pvt_handle, ColorMetaData *color_metadata); 54 bool GetColorPrimary(const int32_t &dataspace, ColorPrimaries *color_primary); 55 bool GetTransfer(const int32_t &dataspace, GammaTransfer *gamma_transfer); 56 bool GetRange(const int32_t &dataspace, ColorRange *color_range); 57 bool GetSDMColorSpace(const int32_t &dataspace, ColorMetaData *color_metadata); 58 bool IsBT2020(const ColorPrimaries &color_primary); 59 int32_t TranslateFromLegacyDataspace(const int32_t &legacy_ds); 60 DisplayError ColorMetadataToDataspace(ColorMetaData color_metadata, Dataspace *dataspace); 61 62 enum GeometryChanges { 63 kNone = 0x000, 64 kBlendMode = 0x001, 65 kDataspace = 0x002, 66 kDisplayFrame = 0x004, 67 kPlaneAlpha = 0x008, 68 kSourceCrop = 0x010, 69 kTransform = 0x020, 70 kZOrder = 0x040, 71 kAdded = 0x080, 72 kRemoved = 0x100, 73 kBufferGeometry = 0x200, 74 }; 75 76 enum LayerTypes { 77 kLayerUnknown = 0, 78 kLayerApp = 1, 79 kLayerGame = 2, 80 kLayerBrowser = 3, 81 }; 82 83 class HWCLayer { 84 public: 85 explicit HWCLayer(hwc2_display_t display_id, HWCBufferAllocator *buf_allocator); 86 ~HWCLayer(); GetZ()87 uint32_t GetZ() const { return z_; } GetId()88 hwc2_layer_t GetId() const { return id_; } GetType()89 LayerTypes GetType() const { return type_; } GetSDMLayer()90 Layer *GetSDMLayer() { return layer_; } 91 void ResetPerFrameData(); 92 93 HWC2::Error SetLayerBlendMode(HWC2::BlendMode mode); 94 HWC2::Error SetLayerBuffer(buffer_handle_t buffer, shared_ptr<Fence> acquire_fence); 95 HWC2::Error SetLayerColor(hwc_color_t color); 96 HWC2::Error SetLayerCompositionType(HWC2::Composition type); 97 HWC2::Error SetLayerDataspace(int32_t dataspace); 98 HWC2::Error SetLayerDisplayFrame(hwc_rect_t frame); 99 HWC2::Error SetCursorPosition(int32_t x, int32_t y); 100 HWC2::Error SetLayerPlaneAlpha(float alpha); 101 HWC2::Error SetLayerSourceCrop(hwc_frect_t crop); 102 HWC2::Error SetLayerSurfaceDamage(hwc_region_t damage); 103 HWC2::Error SetLayerTransform(HWC2::Transform transform); 104 HWC2::Error SetLayerVisibleRegion(hwc_region_t visible); 105 HWC2::Error SetLayerPerFrameMetadata(uint32_t num_elements, const PerFrameMetadataKey *keys, 106 const float *metadata); 107 HWC2::Error SetLayerPerFrameMetadataBlobs(uint32_t num_elements, const PerFrameMetadataKey *keys, 108 const uint32_t *sizes, const uint8_t* metadata); 109 HWC2::Error SetLayerZOrder(uint32_t z); 110 HWC2::Error SetLayerType(IQtiComposerClient::LayerType type); 111 HWC2::Error SetLayerColorTransform(const float *matrix); 112 void SetComposition(const LayerComposition &sdm_composition); GetClientRequestedCompositionType()113 HWC2::Composition GetClientRequestedCompositionType() { return client_requested_; } UpdateClientCompositionType(HWC2::Composition type)114 void UpdateClientCompositionType(HWC2::Composition type) { client_requested_ = type; } GetDeviceSelectedCompositionType()115 HWC2::Composition GetDeviceSelectedCompositionType() { return device_selected_; } GetLayerDataspace()116 int32_t GetLayerDataspace() { return dataspace_; } GetGeometryChanges()117 uint32_t GetGeometryChanges() { return geometry_changes_; } ResetGeometryChanges()118 void ResetGeometryChanges() { geometry_changes_ = GeometryChanges::kNone; } 119 void PushBackReleaseFence(const shared_ptr<Fence> &fence); 120 void PopBackReleaseFence(shared_ptr<Fence> *fence); 121 void PopFrontReleaseFence(shared_ptr<Fence> *fence); ResetValidation()122 void ResetValidation() { layer_->update_mask.reset(); } NeedsValidation()123 bool NeedsValidation() { return (geometry_changes_ || layer_->update_mask.any()); } IsSingleBuffered()124 bool IsSingleBuffered() { return single_buffer_; } 125 bool IsScalingPresent(); 126 bool IsRotationPresent(); 127 bool IsDataSpaceSupported(); IsProtected()128 bool IsProtected() { return secure_; } 129 static LayerBufferFormat GetSDMFormat(const int32_t &source, const int flags); IsSurfaceUpdated()130 bool IsSurfaceUpdated() { return surface_updated_; } SetPartialUpdate(bool enabled)131 void SetPartialUpdate(bool enabled) { partial_update_enabled_ = enabled; } IsNonIntegralSourceCrop()132 bool IsNonIntegralSourceCrop() { return non_integral_source_crop_; } HasMetaDataRefreshRate()133 bool HasMetaDataRefreshRate() { return has_metadata_refresh_rate_; } IsColorTransformSet()134 bool IsColorTransformSet() { return color_transform_matrix_set_; } 135 void SetLayerAsMask(); BufferLatched()136 bool BufferLatched() { return buffer_flipped_; } ResetBufferFlip()137 void ResetBufferFlip() { buffer_flipped_ = false; } 138 139 private: 140 Layer *layer_ = nullptr; 141 LayerTypes type_ = kLayerUnknown; 142 uint32_t z_ = 0; 143 const hwc2_layer_t id_; 144 const hwc2_display_t display_id_; 145 static std::atomic<hwc2_layer_t> next_id_; 146 std::deque<shared_ptr<Fence>> release_fences_; 147 HWCBufferAllocator *buffer_allocator_ = NULL; 148 int32_t dataspace_ = HAL_DATASPACE_UNKNOWN; 149 LayerTransform layer_transform_ = {}; 150 LayerRect dst_rect_ = {}; 151 bool single_buffer_ = false; 152 int buffer_fd_ = -1; 153 bool dataspace_supported_ = false; 154 bool partial_update_enabled_ = false; 155 bool surface_updated_ = true; 156 bool non_integral_source_crop_ = false; 157 bool has_metadata_refresh_rate_ = false; 158 bool color_transform_matrix_set_ = false; 159 bool buffer_flipped_ = false; 160 bool secure_ = false; 161 162 // Composition requested by client(SF) 163 HWC2::Composition client_requested_ = HWC2::Composition::Device; 164 // Composition selected by SDM 165 HWC2::Composition device_selected_ = HWC2::Composition::Device; 166 uint32_t geometry_changes_ = GeometryChanges::kNone; 167 168 void SetRect(const hwc_rect_t &source, LayerRect *target); 169 void SetRect(const hwc_frect_t &source, LayerRect *target); 170 uint32_t GetUint32Color(const hwc_color_t &source); 171 void GetUBWCStatsFromMetaData(UBWCStats *cr_stats, UbwcCrStatsVector *cr_vec); 172 DisplayError SetMetaData(const private_handle_t *pvt_handle, Layer *layer); 173 uint32_t RoundToStandardFPS(float fps); 174 void ValidateAndSetCSC(const private_handle_t *handle); 175 void SetDirtyRegions(hwc_region_t surface_damage); 176 }; 177 178 struct SortLayersByZ { operatorSortLayersByZ179 bool operator()(const HWCLayer *lhs, const HWCLayer *rhs) const { 180 return lhs->GetZ() < rhs->GetZ(); 181 } 182 }; 183 184 } // namespace sdm 185 #endif // __HWC_LAYERS_H__ 186