1 // Copyright 2018 Google LLC 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // https://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef ASTC_CODEC_ASTC_CODEC_H_ 16 #define ASTC_CODEC_ASTC_CODEC_H_ 17 18 namespace astc_codec { 19 20 // These are the valid ASTC footprints according to the specification in 21 // Section C.2.7. 22 enum FootprintType { 23 k4x4, 24 k5x4, 25 k5x5, 26 k6x5, 27 k6x6, 28 k8x5, 29 k8x6, 30 k10x5, 31 k10x6, 32 k8x8, 33 k10x8, 34 k10x10, 35 k12x10, 36 k12x12, 37 38 kCount 39 }; 40 41 struct AstcFootprint { 42 AstcFootprint(int width, int height); 43 }; 44 45 } // namespace astc_codec 46 47 #endif // ASTC_CODEC_ASTC_CODEC_H_ 48