1 /* 2 * Copyright (c) 2014-2019, 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 #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/2.2/IComposerClient.h> 37 #include <deque> 38 #include <map> 39 #include <set> 40 #include "core/buffer_allocator.h" 41 #include "hwc_buffer_allocator.h" 42 43 using PerFrameMetadataKey = 44 android::hardware::graphics::composer::V2_2::IComposerClient::PerFrameMetadataKey; 45 46 namespace sdm { 47 48 DisplayError SetCSC(const private_handle_t *pvt_handle, ColorMetaData *color_metadata); 49 bool GetColorPrimary(const int32_t &dataspace, ColorPrimaries *color_primary); 50 bool GetTransfer(const int32_t &dataspace, GammaTransfer *gamma_transfer); 51 bool GetRange(const int32_t &dataspace, ColorRange *color_range); 52 bool GetSDMColorSpace(const int32_t &dataspace, ColorMetaData *color_metadata); 53 bool IsBT2020(const ColorPrimaries &color_primary); 54 int32_t TranslateFromLegacyDataspace(const int32_t &legacy_ds); 55 56 enum GeometryChanges { 57 kNone = 0x000, 58 kBlendMode = 0x001, 59 kDataspace = 0x002, 60 kDisplayFrame = 0x004, 61 kPlaneAlpha = 0x008, 62 kSourceCrop = 0x010, 63 kTransform = 0x020, 64 kZOrder = 0x040, 65 kAdded = 0x080, 66 kRemoved = 0x100, 67 kBufferGeometry = 0x200, 68 }; 69 70 class HWCLayer { 71 public: 72 explicit HWCLayer(hwc2_display_t display_id, HWCBufferAllocator *buf_allocator); 73 ~HWCLayer(); GetZ()74 uint32_t GetZ() const { return z_; } GetId()75 hwc2_layer_t GetId() const { return id_; } GetSDMLayer()76 Layer *GetSDMLayer() { return layer_; } 77 void ResetPerFrameData(); 78 79 HWC2::Error SetLayerBlendMode(HWC2::BlendMode mode); 80 HWC2::Error SetLayerBuffer(buffer_handle_t buffer, int32_t acquire_fence); 81 HWC2::Error SetLayerColor(hwc_color_t color); 82 HWC2::Error SetLayerCompositionType(HWC2::Composition type); 83 HWC2::Error SetLayerDataspace(int32_t dataspace); 84 HWC2::Error SetLayerDisplayFrame(hwc_rect_t frame); 85 HWC2::Error SetCursorPosition(int32_t x, int32_t y); 86 HWC2::Error SetLayerPlaneAlpha(float alpha); 87 HWC2::Error SetLayerSourceCrop(hwc_frect_t crop); 88 HWC2::Error SetLayerSurfaceDamage(hwc_region_t damage); 89 HWC2::Error SetLayerTransform(HWC2::Transform transform); 90 HWC2::Error SetLayerVisibleRegion(hwc_region_t visible); 91 HWC2::Error SetLayerPerFrameMetadata(uint32_t num_elements, const PerFrameMetadataKey *keys, 92 const float *metadata); 93 HWC2::Error SetLayerZOrder(uint32_t z); 94 HWC2::Error SetLayerColorTransform(const float *matrix); 95 void SetComposition(const LayerComposition &sdm_composition); GetClientRequestedCompositionType()96 HWC2::Composition GetClientRequestedCompositionType() { return client_requested_; } UpdateClientCompositionType(HWC2::Composition type)97 void UpdateClientCompositionType(HWC2::Composition type) { client_requested_ = type; } GetDeviceSelectedCompositionType()98 HWC2::Composition GetDeviceSelectedCompositionType() { return device_selected_; } GetLayerDataspace()99 int32_t GetLayerDataspace() { return dataspace_; } GetGeometryChanges()100 uint32_t GetGeometryChanges() { return geometry_changes_; } ResetGeometryChanges()101 void ResetGeometryChanges() { geometry_changes_ = GeometryChanges::kNone; } 102 void PushBackReleaseFence(int32_t fence); 103 int32_t PopBackReleaseFence(void); 104 int32_t PopFrontReleaseFence(void); ResetValidation()105 void ResetValidation() { layer_->update_mask.reset(); } NeedsValidation()106 bool NeedsValidation() { return (geometry_changes_ || layer_->update_mask.any()); } IsSingleBuffered()107 bool IsSingleBuffered() { return single_buffer_; } 108 bool IsScalingPresent(); 109 bool IsRotationPresent(); 110 bool IsDataSpaceSupported(); 111 static LayerBufferFormat GetSDMFormat(const int32_t &source, const int flags); IsSurfaceUpdated()112 bool IsSurfaceUpdated() { return surface_updated_; } SetPartialUpdate(bool enabled)113 void SetPartialUpdate(bool enabled) { partial_update_enabled_ = enabled; } IsNonIntegralSourceCrop()114 bool IsNonIntegralSourceCrop() { return non_integral_source_crop_; } HasMetaDataRefreshRate()115 bool HasMetaDataRefreshRate() { return has_metadata_refresh_rate_; } IsColorTransformSet()116 bool IsColorTransformSet() const { return color_transform_matrix_set_; } 117 void SetLayerAsMask(); BufferLatched()118 bool BufferLatched() { return buffer_flipped_; } ResetBufferFlip()119 void ResetBufferFlip() { buffer_flipped_ = false; } 120 121 private: 122 Layer *layer_ = nullptr; 123 uint32_t z_ = 0; 124 const hwc2_layer_t id_; 125 const hwc2_display_t display_id_; 126 static std::atomic<hwc2_layer_t> next_id_; 127 std::deque<int32_t> release_fences_; 128 HWCBufferAllocator *buffer_allocator_ = NULL; 129 int32_t dataspace_ = HAL_DATASPACE_UNKNOWN; 130 LayerTransform layer_transform_ = {}; 131 LayerRect dst_rect_ = {}; 132 bool single_buffer_ = false; 133 int buffer_fd_ = -1; 134 bool dataspace_supported_ = false; 135 bool partial_update_enabled_ = false; 136 bool surface_updated_ = true; 137 bool non_integral_source_crop_ = false; 138 bool has_metadata_refresh_rate_ = false; 139 bool color_transform_matrix_set_ = false; 140 bool buffer_flipped_ = false; 141 142 // Composition requested by client(SF) 143 HWC2::Composition client_requested_ = HWC2::Composition::Device; 144 // Composition selected by SDM 145 HWC2::Composition device_selected_ = HWC2::Composition::Device; 146 uint32_t geometry_changes_ = GeometryChanges::kNone; 147 148 void SetRect(const hwc_rect_t &source, LayerRect *target); 149 void SetRect(const hwc_frect_t &source, LayerRect *target); 150 uint32_t GetUint32Color(const hwc_color_t &source); 151 LayerBufferS3DFormat GetS3DFormat(uint32_t s3d_format); 152 void GetUBWCStatsFromMetaData(UBWCStats *cr_stats, UbwcCrStatsVector *cr_vec); 153 DisplayError SetMetaData(const private_handle_t *pvt_handle, Layer *layer); 154 DisplayError SetIGC(IGC_t source, LayerIGC *target); 155 uint32_t RoundToStandardFPS(float fps); 156 void ValidateAndSetCSC(const private_handle_t *handle); 157 void SetDirtyRegions(hwc_region_t surface_damage); 158 }; 159 160 struct SortLayersByZ { operatorSortLayersByZ161 bool operator()(const HWCLayer *lhs, const HWCLayer *rhs) const { 162 return lhs->GetZ() < rhs->GetZ(); 163 } 164 }; 165 166 } // namespace sdm 167 #endif // __HWC_LAYERS_H__ 168