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Viewing changes to src/gallium/auxiliary/util/u_prim_restart.h

  • Committer: mmach
  • Date: 2022-09-22 19:56:13 UTC
  • Revision ID: netbit73@gmail.com-20220922195613-wtik9mmy20tmor0i
2022-09-22 21:17:09

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src/gallium/auxiliary/util/u_prim_restart.h
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/*
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 * Copyright 2014 VMware, Inc.
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 * All Rights Reserved.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the
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 * "Software"), to deal in the Software without restriction, including
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 * without limitation the rights to use, copy, modify, merge, publish,
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 * distribute, sub license, and/or sell copies of the Software, and to
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 * permit persons to whom the Software is furnished to do so, subject to
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 * the following conditions:
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 *
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 * The above copyright notice and this permission notice (including the
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 * next paragraph) shall be included in all copies or substantial portions
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 * of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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 */
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#ifndef U_PRIM_RESTART_H
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#define U_PRIM_RESTART_H
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#include "pipe/p_defines.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct pipe_context;
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struct pipe_draw_info;
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union pipe_index_binding;
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struct pipe_resource;
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void
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util_translate_prim_restart_data(unsigned index_size,
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                                 void *src_map, void *dst_map,
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                                 unsigned count, unsigned restart_index);
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enum pipe_error
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util_translate_prim_restart_ib(struct pipe_context *context,
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                               const struct pipe_draw_info *info,
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                               const struct pipe_draw_indirect_info *indirect,
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                               const struct pipe_draw_start_count_bias *draw,
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                               struct pipe_resource **dst_buffer);
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struct pipe_draw_start_count_bias *
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util_prim_restart_convert_to_direct(const void *index_map,
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                                    const struct pipe_draw_info *info,
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                                    const struct pipe_draw_start_count_bias *draw,
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                                    unsigned *num_draws,
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                                    unsigned *min_index,
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                                    unsigned *max_index,
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                                    unsigned *total_index_count);
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enum pipe_error
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util_draw_vbo_without_prim_restart(struct pipe_context *context,
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                                   const struct pipe_draw_info *info,
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                                   unsigned drawid_offset,
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                                   const struct pipe_draw_indirect_info *indirect,
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                                   const struct pipe_draw_start_count_bias *draw);
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static inline unsigned
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util_prim_restart_index_from_size(unsigned index_size)
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{
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   /* 1 -> 0xff, 2 -> 0xffff, 4 -> 0xffffffff */
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   return 0xffffffffu >> 8 * (4 - index_size);
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}
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#ifdef __cplusplus
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}
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#endif
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#endif