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/*
* Copyright 2021 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "ColorSpaces.h"
namespace android {
namespace renderengine {
namespace skia {
sk_sp<SkColorSpace> toSkColorSpace(ui::Dataspace dataspace) {
skcms_Matrix3x3 gamut;
switch (dataspace & HAL_DATASPACE_STANDARD_MASK) {
case HAL_DATASPACE_STANDARD_BT709:
gamut = SkNamedGamut::kSRGB;
break;
case HAL_DATASPACE_STANDARD_BT2020:
gamut = SkNamedGamut::kRec2020;
break;
case HAL_DATASPACE_STANDARD_DCI_P3:
gamut = SkNamedGamut::kDisplayP3;
break;
default:
gamut = SkNamedGamut::kSRGB;
break;
}
switch (dataspace & HAL_DATASPACE_TRANSFER_MASK) {
case HAL_DATASPACE_TRANSFER_LINEAR:
return SkColorSpace::MakeRGB(SkNamedTransferFn::kLinear, gamut);
case HAL_DATASPACE_TRANSFER_SRGB:
return SkColorSpace::MakeRGB(SkNamedTransferFn::kSRGB, gamut);
case HAL_DATASPACE_TRANSFER_ST2084:
return SkColorSpace::MakeRGB(SkNamedTransferFn::kPQ, gamut);
case HAL_DATASPACE_TRANSFER_HLG:
return SkColorSpace::MakeRGB(SkNamedTransferFn::kHLG, gamut);
default:
return SkColorSpace::MakeRGB(SkNamedTransferFn::kSRGB, gamut);
}
}
} // namespace skia
} // namespace renderengine
} // namespace android
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