1/* 2 * Copyright © Microsoft Corporation 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21 * IN THE SOFTWARE. 22 */ 23 24#ifndef DXIL_BUFFER_H 25#define DXIL_BUFFER_H 26 27#include "util/blob.h" 28 29struct dxil_buffer { 30 struct blob blob; 31 uint64_t buf; 32 unsigned buf_bits; 33 34 unsigned abbrev_width; 35}; 36 37void 38dxil_buffer_init(struct dxil_buffer *b, unsigned abbrev_width); 39 40void 41dxil_buffer_finish(struct dxil_buffer *b); 42 43bool 44dxil_buffer_emit_bits(struct dxil_buffer *b, uint32_t data, unsigned width); 45 46bool 47dxil_buffer_emit_vbr_bits(struct dxil_buffer *b, uint64_t data, 48 unsigned width); 49 50bool 51dxil_buffer_align(struct dxil_buffer *b); 52 53static inline bool 54dxil_buffer_emit_abbrev_id(struct dxil_buffer *b, uint32_t id) 55{ 56 return dxil_buffer_emit_bits(b, id, b->abbrev_width); 57} 58 59 60#endif 61