1 /* 2 * Copyright 2023 Google LLC 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #ifndef SkTextureCompressionType_DEFINED 9 #define SkTextureCompressionType_DEFINED 10 /* 11 * Skia | GL_COMPRESSED_* | MTLPixelFormat* | VK_FORMAT_*_BLOCK 12 * -------------------------------------------------------------------------------------- 13 * kETC2_RGB8_UNORM | ETC1_RGB8 | ETC2_RGB8 (iOS-only) | ETC2_R8G8B8_UNORM 14 * | RGB8_ETC2 | | 15 * -------------------------------------------------------------------------------------- 16 * kBC1_RGB8_UNORM | RGB_S3TC_DXT1_EXT | N/A | BC1_RGB_UNORM 17 * -------------------------------------------------------------------------------------- 18 * kBC1_RGBA8_UNORM | RGBA_S3TC_DXT1_EXT | BC1_RGBA (macOS-only)| BC1_RGBA_UNORM 19 */ 20 enum class SkTextureCompressionType { 21 kNone, 22 kETC2_RGB8_UNORM, 23 24 kBC1_RGB8_UNORM, 25 kBC1_RGBA8_UNORM, 26 kASTC_RGBA8_4x4, 27 kASTC_RGBA8_6x6, 28 kASTC_RGBA8_8x8, 29 kLast = kASTC_RGBA8_8x8, 30 kETC1_RGB8 = kETC2_RGB8_UNORM, 31 }; 32 33 #endif 34