src/gallium/auxiliary/util/u_gen_mipmap.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #ifndef U_GENMIPMAP_H
  29 #define U_GENMIPMAP_H
  30
  31 #include "pipe/p_state.h"
  32
  33
  34 #ifdef __cplusplus
  35 extern "C" {
  36 #endif
  37
  38
  39 struct pipe_context;
  40 struct pipe_resource;
  41 struct cso_context;
  42
  43 struct gen_mipmap_state;
  44
  45
  46 extern struct gen_mipmap_state *
  47 util_create_gen_mipmap(struct pipe_context *pipe, struct cso_context *cso);
  48
  49
  50 extern void
  51 util_destroy_gen_mipmap(struct gen_mipmap_state *ctx);
  52
  53 /* Release vertex buffer at end of frame to avoid synchronous
  54  * rendering.
  55  */
  56 extern void
  57 util_gen_mipmap_flush( struct gen_mipmap_state *ctx );
  58
  59
  60 extern void
  61 util_gen_mipmap(struct gen_mipmap_state *ctx,
  62                 struct pipe_sampler_view *psv,
  63                 uint face, uint baseLevel, uint lastLevel, uint filter);
  64
  65
  66 #ifdef __cplusplus
  67 }
  68 #endif
  69
  70 #endif