1 /* 2 * Copyright (c) 2018-2020 The Linux Foundation. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above 10 * copyright notice, this list of conditions and the following 11 * disclaimer in the documentation and/or other materials provided 12 * with the distribution. 13 * * Neither the name of The Linux Foundation nor the names of its 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 24 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 26 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #ifndef __QTIMAPPER4_H__ 31 #define __QTIMAPPER4_H__ 32 33 #include <QtiGralloc.h> 34 #include <gralloctypes/Gralloc4.h> 35 #include <hidl/MQDescriptor.h> 36 #include <hidl/Status.h> 37 #include <vendor/qti/hardware/display/mapper/4.0/IQtiMapper.h> 38 39 #include <algorithm> 40 #include <string> 41 42 #include "QtiMapperExtensions.h" 43 #include "gr_buf_mgr.h" 44 namespace vendor { 45 namespace qti { 46 namespace hardware { 47 namespace display { 48 namespace mapper { 49 namespace V4_0 { 50 namespace implementation { 51 52 using ::android::sp; 53 using ::android::hardware::hidl_array; 54 using ::android::hardware::hidl_handle; 55 using ::android::hardware::hidl_memory; 56 using ::android::hardware::hidl_string; 57 using ::android::hardware::hidl_vec; 58 using ::android::hardware::Return; 59 using ::android::hardware::Void; 60 using ::android::hardware::graphics::common::V1_2::PixelFormat; 61 using ::android::hardware::graphics::mapper::V4_0::Error; 62 using ::android::hardware::graphics::mapper::V4_0::IMapper; 63 using ::android::hidl::base::V1_0::DebugInfo; 64 using ::android::hidl::base::V1_0::IBase; 65 using gralloc::BufferManager; 66 using ::vendor::qti::hardware::display::mapper::V4_0::IQtiMapper; 67 using ::vendor::qti::hardware::display::mapperextensions::V1_1::IQtiMapperExtensions; 68 using ::vendor::qti::hardware::display::mapperextensions::V1_1::implementation::QtiMapperExtensions; 69 70 using android::hardware::graphics::mapper::V4_0::IMapper; 71 using BufferDescriptorInfo_4_0 = 72 android::hardware::graphics::mapper::V4_0::IMapper::BufferDescriptorInfo; 73 using IMapperBufferDescriptor = android::hardware::graphics::mapper::V4_0::BufferDescriptor; 74 using MetadataType = ::android::hardware::graphics::mapper::V4_0::IMapper::MetadataType; 75 using MetadataTypeDescription = 76 ::android::hardware::graphics::mapper::V4_0::IMapper::MetadataTypeDescription; 77 using IMapper_4_0_Error = ::android::hardware::graphics::mapper::V4_0::Error; 78 79 class QtiMapper : public IQtiMapper { 80 public: 81 QtiMapper(); 82 // Methods from ::android::hardware::graphics::mapper::V2_0::IMapper follow. 83 Return<void> createDescriptor(const BufferDescriptorInfo_4_0 &descriptor_info, 84 createDescriptor_cb hidl_cb) override; 85 Return<void> importBuffer(const hidl_handle &raw_handle, importBuffer_cb hidl_cb) override; 86 Return<Error> freeBuffer(void *buffer) override; 87 Return<void> lock(void *buffer, uint64_t cpu_usage, const IMapper::Rect &access_region, 88 const hidl_handle &acquire_fence, lock_cb hidl_cb) override; 89 Return<void> unlock(void *buffer, unlock_cb hidl_cb) override; 90 91 // Methods from ::android::hardware::graphics::mapper::V2_1::IMapper follow. 92 Return<Error> validateBufferSize(void *buffer, const BufferDescriptorInfo_4_0 &descriptorInfo, 93 uint32_t stride) override; 94 Return<void> getTransportSize(void *buffer, getTransportSize_cb hidl_cb) override; 95 96 Return<void> isSupported(const BufferDescriptorInfo_4_0 &descriptor_info, 97 isSupported_cb hidl_cb) override; 98 99 Return<void> getMapperExtensions(getMapperExtensions_cb hidl_cb); 100 sp<mapperextensions::V1_1::IQtiMapperExtensions> extensions_ = nullptr; 101 102 // Methods from ::android::hardware::graphics::mapper::V4:0::IMapper follow. 103 Return<void> get(void *buffer, const MetadataType &metadataType, get_cb hidl_cb) override; 104 Return<Error> set(void *buffer, const MetadataType &metadataType, 105 const hidl_vec<uint8_t> &metadata) override; 106 Return<void> getFromBufferDescriptorInfo(const BufferDescriptorInfo &description, 107 const MetadataType &metadataType, 108 getFromBufferDescriptorInfo_cb hidl_cb) override; 109 Return<void> flushLockedBuffer(void *buffer, flushLockedBuffer_cb hidl_cb); 110 Return<Error> rereadLockedBuffer(void *buffer); 111 Return<void> listSupportedMetadataTypes(listSupportedMetadataTypes_cb hidl_cb); 112 Return<void> getReservedRegion(void *buffer, getReservedRegion_cb _hidl_cb); 113 Return<void> dumpBuffer(void *buffer, dumpBuffer_cb _hidl_cb); 114 Return<void> dumpBuffers(dumpBuffers_cb _hidl_cb); 115 Encode(const BufferDescriptorInfo_4_0 & bd_info)116 hidl_vec<uint8_t> Encode(const BufferDescriptorInfo_4_0 &bd_info) { 117 hidl_vec<uint8_t> out; 118 119 uint64_t name_size = bd_info.name.size(); 120 121 /* Name length is variable, need to store string prepended with size 122 * The rest of the packet size is constant 123 */ 124 out.resize(gralloc::kBufferDescriptorSizeV4 + sizeof(name_size) + name_size); 125 126 int index = 0; 127 uint32_t magic_version = gralloc::kMagicVersion; 128 std::memcpy(&out[index], &magic_version, sizeof(magic_version)); 129 index += sizeof(magic_version); 130 131 std::memcpy(&out[index], &name_size, sizeof(name_size)); 132 index += sizeof(name_size); 133 134 std::memcpy(&out[index], bd_info.name.c_str(), bd_info.name.size()); 135 index += name_size; 136 137 std::memcpy(&out[index], &bd_info.width, sizeof(bd_info.width)); 138 index += sizeof(bd_info.width); 139 140 std::memcpy(&out[index], &bd_info.height, sizeof(bd_info.height)); 141 index += sizeof(bd_info.height); 142 143 std::memcpy(&out[index], &bd_info.layerCount, sizeof(bd_info.layerCount)); 144 index += sizeof(bd_info.layerCount); 145 146 std::memcpy(&out[index], &bd_info.format, sizeof(bd_info.format)); 147 index += sizeof(bd_info.format); 148 149 std::memcpy(&out[index], &bd_info.usage, sizeof(bd_info.usage)); 150 index += sizeof(bd_info.usage); 151 152 std::memcpy(&out[index], &bd_info.reservedSize, sizeof(bd_info.reservedSize)); 153 154 return out; 155 } Decode(const hidl_vec<uint8_t> & in,gralloc::BufferDescriptor * buf_descriptor)156 static gralloc::Error Decode(const hidl_vec<uint8_t> &in, 157 gralloc::BufferDescriptor *buf_descriptor) { 158 // First check is to avoid dereferencing if the vector is too short 159 if (in.size() < gralloc::kBufferDescriptorSizeV4) { 160 return gralloc::Error::BAD_DESCRIPTOR; 161 } 162 163 int index = 0; 164 uint32_t magic_version; 165 std::memcpy(&magic_version, &in[index], sizeof(magic_version)); 166 index += sizeof(magic_version); 167 168 uint64_t name_size; 169 std::memcpy(&name_size, &in[index], sizeof(name_size)); 170 index += sizeof(name_size); 171 172 // The second check validates that the size and magic version are correct 173 if (in.size() != (gralloc::kBufferDescriptorSizeV4 + name_size + sizeof(name_size)) || 174 magic_version != gralloc::kMagicVersion) { 175 return gralloc::Error::BAD_DESCRIPTOR; 176 } 177 178 std::string name; 179 180 name.resize(name_size); 181 std::memcpy(name.data(), &in[index], name.size()); 182 index += name_size; 183 buf_descriptor->SetName(name); 184 185 uint32_t width, height; 186 std::memcpy(&width, &in[index], sizeof(width)); 187 188 index += sizeof(width); 189 std::memcpy(&height, &in[index], sizeof(height)); 190 index += sizeof(height); 191 buf_descriptor->SetDimensions(width, height); 192 193 uint32_t layer_count; 194 std::memcpy(&layer_count, &in[index], sizeof(layer_count)); 195 index += sizeof(layer_count); 196 buf_descriptor->SetLayerCount(layer_count); 197 198 uint32_t format; 199 std::memcpy(&format, &in[index], sizeof(format)); 200 index += sizeof(format); 201 buf_descriptor->SetColorFormat(format); 202 203 uint64_t usage; 204 std::memcpy(&usage, &in[index], sizeof(usage)); 205 index += sizeof(usage); 206 buf_descriptor->SetUsage(usage); 207 208 uint64_t reserved_size; 209 std::memcpy(&reserved_size, &in[index], sizeof(reserved_size)); 210 index += sizeof(reserved_size); 211 212 buf_descriptor->SetReservedSize(reserved_size); 213 return gralloc::Error::NONE; 214 } 215 216 private: 217 BufferManager *buf_mgr_ = nullptr; 218 Error CreateDescriptor(const BufferDescriptorInfo_4_0 &descriptor_info, 219 IMapperBufferDescriptor *descriptor); 220 bool ValidDescriptor(const IMapper::BufferDescriptorInfo &bd); 221 bool GetFenceFd(const hidl_handle &fence_handle, int *outFenceFd); 222 void WaitFenceFd(int fence_fd); 223 Error LockBuffer(void *buffer, uint64_t usage, const hidl_handle &acquire_fence, 224 const IMapper::Rect &access_region); 225 226 Error DumpBufferMetadata(const private_handle_t *buffer, BufferDump *outBufferDump); 227 228 hidl_vec<MetadataTypeDescription> metadata_type_descriptions_ = { 229 // MetadataType, description, gettable, settable 230 {android::gralloc4::MetadataType_BufferId, "", true, false}, 231 {android::gralloc4::MetadataType_Name, "", true, false}, 232 {android::gralloc4::MetadataType_Width, "", true, false}, 233 {android::gralloc4::MetadataType_Height, "", true, false}, 234 {android::gralloc4::MetadataType_LayerCount, "", true, false}, 235 {android::gralloc4::MetadataType_PixelFormatRequested, "", true, false}, 236 {android::gralloc4::MetadataType_PixelFormatFourCC, "", true, false}, 237 {android::gralloc4::MetadataType_PixelFormatModifier, "", true, false}, 238 {android::gralloc4::MetadataType_Usage, "", true, false}, 239 {android::gralloc4::MetadataType_AllocationSize, "", true, false}, 240 {android::gralloc4::MetadataType_ProtectedContent, "", true, false}, 241 {android::gralloc4::MetadataType_ChromaSiting, "", true, false}, 242 {android::gralloc4::MetadataType_Compression, "", true, false}, 243 {android::gralloc4::MetadataType_Interlaced, "", true, false}, 244 {android::gralloc4::MetadataType_PlaneLayouts, "", true, false}, 245 {android::gralloc4::MetadataType_Dataspace, "", true, true}, 246 {android::gralloc4::MetadataType_BlendMode, "", true, true}, 247 {android::gralloc4::MetadataType_Smpte2086, "", true, true}, 248 {android::gralloc4::MetadataType_Cta861_3, "", true, true}, 249 {android::gralloc4::MetadataType_Smpte2094_40, "", true, true}, 250 {android::gralloc4::MetadataType_Crop, "", true, true}, 251 {qtigralloc::MetadataType_VTTimestamp, "VT Timestamp", true, true}, 252 {qtigralloc::MetadataType_ColorMetadata, "Color metadata", true, true}, 253 {qtigralloc::MetadataType_PPParamInterlaced, "Interlaced", true, true}, 254 {qtigralloc::MetadataType_VideoPerfMode, "Video perf mode", true, true}, 255 {qtigralloc::MetadataType_GraphicsMetadata, "Graphics metadata", true, true}, 256 {qtigralloc::MetadataType_UBWCCRStatsInfo, "UBWC stats", true, true}, 257 {qtigralloc::MetadataType_RefreshRate, "Refresh rate", true, true}, 258 {qtigralloc::MetadataType_MapSecureBuffer, "Secure buffer mappable", true, true}, 259 {qtigralloc::MetadataType_LinearFormat, "Linear format", true, true}, 260 {qtigralloc::MetadataType_SingleBufferMode, "Single buffer mode flag", true, true}, 261 {qtigralloc::MetadataType_CVPMetadata, "CVP metadata", true, true}, 262 {qtigralloc::MetadataType_VideoHistogramStats, "Video histogram stats", true, true}, 263 {qtigralloc::MetadataType_FD, "fd from private_handle_t", true, false}, 264 {qtigralloc::MetadataType_PrivateFlags, "Flags in private_handle_t", true, false}, 265 {qtigralloc::MetadataType_AlignedWidthInPixels, "width in private_handle_t", true, false}, 266 {qtigralloc::MetadataType_AlignedHeightInPixels, "height in private_handle_t", true, false}, 267 #ifdef METADATA_V2 268 {qtigralloc::MetadataType_StandardMetadataStatus, "Is standard metadata set", true, false}, 269 {qtigralloc::MetadataType_VendorMetadataStatus, "Is vendor metadata set", true, false}, 270 #endif 271 #ifdef QTI_BUFFER_TYPE 272 {qtigralloc::MetadataType_BufferType, "Buffer type from private_handle_t", true, false}, 273 #endif 274 }; 275 }; 276 277 } // namespace implementation 278 } // namespace V4_0 279 } // namespace mapper 280 } // namespace display 281 } // namespace hardware 282 } // namespace qti 283 } // namespace vendor 284 285 #endif // __QTIMAPPER4_H__ 286