1 /** 2 * \file format_utils.h 3 * A collection of format conversion utility functions. 4 */ 5 6 /* 7 * Mesa 3-D graphics library 8 * 9 * Copyright (C) 1999-2006 Brian Paul All Rights Reserved. 10 * Copyright (C) 2014 Intel Corporation All Rights Reserved. 11 * 12 * Permission is hereby granted, free of charge, to any person obtaining a 13 * copy of this software and associated documentation files (the "Software"), 14 * to deal in the Software without restriction, including without limitation 15 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 16 * and/or sell copies of the Software, and to permit persons to whom the 17 * Software is furnished to do so, subject to the following conditions: 18 * 19 * The above copyright notice and this permission notice shall be included 20 * in all copies or substantial portions of the Software. 21 * 22 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 23 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 24 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 25 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 26 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 27 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 28 * OTHER DEALINGS IN THE SOFTWARE. 29 */ 30 31 #ifndef FORMAT_UTILS_H 32 #define FORMAT_UTILS_H 33 34 #include "formats.h" 35 36 #include "macros.h" 37 #include "util/rounding.h" 38 #include "util/half_float.h" 39 #include "util/format/format_utils.h" 40 41 extern const mesa_array_format RGBA32_FLOAT; 42 extern const mesa_array_format RGBA8_UBYTE; 43 extern const mesa_array_format RGBA32_UINT; 44 extern const mesa_array_format RGBA32_INT; 45 46 bool 47 _mesa_format_to_array(mesa_format, GLenum *type, int *num_components, 48 uint8_t swizzle[4], bool *normalized); 49 50 void 51 _mesa_swizzle_and_convert(void *dst, 52 enum mesa_array_format_datatype dst_type, 53 int num_dst_channels, 54 const void *src, 55 enum mesa_array_format_datatype src_type, 56 int num_src_channels, 57 const uint8_t swizzle[4], bool normalized, int count); 58 59 bool 60 _mesa_compute_rgba2base2rgba_component_mapping(GLenum baseFormat, uint8_t *map); 61 62 void 63 _mesa_format_convert(void *void_dst, uint32_t dst_format, size_t dst_stride, 64 void *void_src, uint32_t src_format, size_t src_stride, 65 size_t width, size_t height, uint8_t *rebase_swizzle); 66 67 #endif 68