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Diffstat (limited to 'fake-android-guest/android/data_space.h')
-rw-r--r-- | fake-android-guest/android/data_space.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/fake-android-guest/android/data_space.h b/fake-android-guest/android/data_space.h new file mode 100644 index 00000000..9c3de77c --- /dev/null +++ b/fake-android-guest/android/data_space.h @@ -0,0 +1,95 @@ +/* + * Copyright 2018 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. + */ +/** + * @file data_space.h + */ +#ifndef ANDROID_DATA_SPACE_H +#define ANDROID_DATA_SPACE_H +#include <inttypes.h> +#include <sys/cdefs.h> +__BEGIN_DECLS +/** + * ADataSpace. + */ +enum ADataSpace { + /** + * Default-assumption data space, when not explicitly specified. + * + * It is safest to assume the buffer is an image with sRGB primaries and + * encoding ranges, but the consumer and/or the producer of the data may + * simply be using defaults. No automatic gamma transform should be + * expected, except for a possible display gamma transform when drawn to a + * screen. + */ + ADATASPACE_UNKNOWN = 0, + /** + * scRGB linear encoding: + * + * The red, green, and blue components are stored in extended sRGB space, + * but are linear, not gamma-encoded. + * The RGB primaries and the white point are the same as BT.709. + * + * The values are floating point. + * A pixel value of 1.0, 1.0, 1.0 corresponds to sRGB white (D65) at 80 nits. + * Values beyond the range [0.0 - 1.0] would correspond to other colors + * spaces and/or HDR content. + */ + ADATASPACE_SCRGB_LINEAR = 406913024, // STANDARD_BT709 | TRANSFER_LINEAR | RANGE_EXTENDED + /** + * sRGB gamma encoding: + * + * The red, green and blue components are stored in sRGB space, and + * converted to linear space when read, using the SRGB transfer function + * for each of the R, G and B components. When written, the inverse + * transformation is performed. + * + * The alpha component, if present, is always stored in linear space and + * is left unmodified when read or written. + * + * Use full range and BT.709 standard. + */ + ADATASPACE_SRGB = 142671872, // STANDARD_BT709 | TRANSFER_SRGB | RANGE_FULL + /** + * scRGB: + * + * The red, green, and blue components are stored in extended sRGB space, + * but are linear, not gamma-encoded. + * The RGB primaries and the white point are the same as BT.709. + * + * The values are floating point. + * A pixel value of 1.0, 1.0, 1.0 corresponds to sRGB white (D65) at 80 nits. + * Values beyond the range [0.0 - 1.0] would correspond to other colors + * spaces and/or HDR content. + */ + ADATASPACE_SCRGB = 411107328, // STANDARD_BT709 | TRANSFER_SRGB | RANGE_EXTENDED + /** + * Display P3 + * + * Use same primaries and white-point as DCI-P3 + * but sRGB transfer function. + */ + ADATASPACE_DISPLAY_P3 = 143261696, // STANDARD_DCI_P3 | TRANSFER_SRGB | RANGE_FULL + /** + * ITU-R Recommendation 2020 (BT.2020) + * + * Ultra High-definition television + * + * Use full range, SMPTE 2084 (PQ) transfer and BT2020 standard + */ + ADATASPACE_BT2020_PQ = 163971072, // STANDARD_BT2020 | TRANSFER_ST2084 | RANGE_FULL +}; +__END_DECLS +#endif // ANDROID_DATA_SPACE_H
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