src/mesa/state_tracker/st_sampler_view.h

   1 /*
   2  * Copyright 2016 VMware, Inc.
   3  * All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the
   7  * "Software"), to deal in the Software without restriction, including
   8  * without limitation the rights to use, copy, modify, merge, publish,
   9  * distribute, sub license, and/or sell copies of the Software, and to
  10  * permit persons to whom the Software is furnished to do so, subject to
  11  * the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the
  14  * next paragraph) shall be included in all copies or substantial portions
  15  * of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  20  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  21  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  22  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  23  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  */
  25
  26
  27 #ifndef ST_SAMPLER_VIEW_H
  28 #define ST_SAMPLER_VIEW_H
  29
  30 #include "pipe/p_compiler.h"
  31 #include "pipe/p_context.h"
  32 #include "pipe/p_state.h"
  33 #include "util/u_sampler.h"
  34
  35 struct st_texture_object;
  36
  37
  38 static inline struct pipe_sampler_view *
  39 st_create_texture_sampler_view_format(struct pipe_context *pipe,
  40                                       struct pipe_resource *texture,
  41                                       enum pipe_format format)
  42 {
  43    struct pipe_sampler_view templ;
  44
  45    u_sampler_view_default_template(&templ, texture, format);
  46
  47    return pipe->create_sampler_view(pipe, texture, &templ);
  48 }
  49
  50
  51 static inline struct pipe_sampler_view *
  52 st_create_texture_sampler_view(struct pipe_context *pipe,
  53                                struct pipe_resource *texture)
  54 {
  55    return st_create_texture_sampler_view_format(pipe, texture,
  56                                                 texture->format);
  57 }
  58
  59
  60 extern void
  61 st_texture_release_context_sampler_view(struct st_context *st,
  62                                         struct st_texture_object *stObj);
  63
  64 extern void
  65 st_texture_release_all_sampler_views(struct st_context *st,
  66                                      struct st_texture_object *stObj);
  67
  68 void
  69 st_delete_texture_sampler_views(struct st_context *st,
  70                                 struct st_texture_object *stObj);
  71
  72 const struct st_sampler_view *
  73 st_texture_get_current_sampler_view(const struct st_context *st,
  74                                     const struct st_texture_object *stObj);
  75
  76 struct pipe_sampler_view *
  77 st_get_texture_sampler_view_from_stobj(struct st_context *st,
  78                                        struct st_texture_object *stObj,
  79                                        const struct gl_sampler_object *samp,
  80                                        bool glsl130_or_later,
  81                                        bool ignore_srgb_decode);
  82
  83 struct pipe_sampler_view *
  84 st_get_buffer_sampler_view_from_stobj(struct st_context *st,
  85                                       struct st_texture_object *stObj);
  86
  87 #endif /* ST_SAMPLER_VIEW_H */