1 /* 2 * Copyright 2016 Google Inc. 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 SkYUVSizeInfo_DEFINED 9 #define SkYUVSizeInfo_DEFINED 10 11 #include "SkSize.h" 12 13 struct SkYUVSizeInfo { 14 enum { 15 kY = 0, 16 kU = 1, 17 kV = 2, 18 }; 19 SkISize fSizes[3]; 20 21 /** 22 * While the widths of the Y, U, and V planes are not restricted, the 23 * implementation often requires that the width of the memory allocated 24 * for each plane be a multiple of 8. 25 * 26 * This struct allows us to inform the client how many "widthBytes" 27 * that we need. Note that we use the new idea of "widthBytes" 28 * because this idea is distinct from "rowBytes" (used elsewhere in 29 * Skia). "rowBytes" allow the last row of the allocation to not 30 * include any extra padding, while, in this case, every single row of 31 * the allocation must be at least "widthBytes". 32 */ 33 size_t fWidthBytes[3]; 34 }; 35 36 #endif // SkYUVSizeInfo_DEFINED 37
