1 /* 2 * Copyright 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include <renderengine/private/Description.h> 18 19 #include <stdint.h> 20 21 #include <utils/TypeHelpers.h> 22 23 namespace android { 24 namespace renderengine { 25 26 Description::TransferFunction Description::dataSpaceToTransferFunction(ui::Dataspace dataSpace) { 27 ui::Dataspace transfer = static_cast<ui::Dataspace>(dataSpace & ui::Dataspace::TRANSFER_MASK); 28 switch (transfer) { 29 case ui::Dataspace::TRANSFER_ST2084: 30 return Description::TransferFunction::ST2084; 31 case ui::Dataspace::TRANSFER_HLG: 32 return Description::TransferFunction::HLG; 33 case ui::Dataspace::TRANSFER_LINEAR: 34 return Description::TransferFunction::LINEAR; 35 default: 36 return Description::TransferFunction::SRGB; 37 } 38 } 39 40 bool Description::hasInputTransformMatrix() const { 41 const mat4 identity; 42 return inputTransformMatrix != identity; 43 } 44 45 bool Description::hasOutputTransformMatrix() const { 46 const mat4 identity; 47 return outputTransformMatrix != identity; 48 } 49 50 bool Description::hasColorMatrix() const { 51 const mat4 identity; 52 return colorMatrix != identity; 53 } 54 55 } // namespace renderengine 56 } // namespace android 57
