src/mesa/state_tracker/st_atom_texture.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2007 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  /*
  29   * Authors:
  30   *   Keith Whitwell <keith@tungstengraphics.com>
  31   *   Brian Paul
  32   */
  33
  34
  35 #include "st_context.h"
  36 #include "st_atom.h"
  37 #include "st_cb_texture.h"
  38 #include "pipe/p_context.h"
  39 #include "pipe/p_defines.h"
  40
  41
  42 /**
  43  * XXX This needs some work yet....
  44  * Need to "upload" texture images at appropriate times.
  45  */
  46 static void
  47 update_textures(struct st_context *st)
  48 {
  49    GLuint u;
  50
  51    for (u = 0; u < st->ctx->Const.MaxTextureImageUnits; u++) {
  52       struct gl_texture_object *texObj
  53          = st->ctx->Texture.Unit[u]._Current;
  54       struct pipe_texture *pt;
  55       if (texObj) {
  56          GLboolean flush, retval;
  57
  58          retval = st_finalize_texture(st->ctx, st->pipe, u, &flush);
  59 #if 0
  60          printf("finalize_texture returned %d, flush = %d\n",
  61                 retval, flush);
  62 #endif
  63
  64          pt = st_get_texobj_texture(texObj);
  65       }
  66       else {
  67          pt = NULL;
  68       }
  69
  70       st->state.texture[u] = pt;
  71       st->pipe->set_texture_state(st->pipe, u, pt);
  72    }
  73 }
  74
  75
  76 const struct st_tracked_state st_update_texture = {
  77    .name = "st_update_texture",
  78    .dirty = {
  79       .mesa = _NEW_TEXTURE,
  80       .st  = 0,
  81    },
  82    .update = update_textures
  83 };
  84
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  88