src/mesa/state_tracker/st_context.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2003 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 #include "imports.h"
  29 #include "st_public.h"
  30 #include "st_context.h"
  31 #include "st_atom.h"
  32 #include "st_draw.h"
  33 #include "st_program.h"
  34 #include "softpipe/sp_context.h"
  35
  36 void st_invalidate_state(GLcontext * ctx, GLuint new_state)
  37 {
  38    struct st_context *st = st_context(ctx);
  39
  40    st->dirty.mesa |= new_state;
  41    st->dirty.st |= ST_NEW_MESA;
  42 }
  43
  44
  45 struct st_context *st_create_context( GLcontext *ctx,
  46                                       struct softpipe_context *softpipe )
  47 {
  48    struct st_context *st = CALLOC_STRUCT( st_context );
  49
  50    ctx->st = st;
  51
  52    st->ctx = ctx;
  53    st->softpipe = softpipe;
  54
  55    st->dirty.mesa = ~0;
  56    st->dirty.st = ~0;
  57
  58    st_init_atoms( st );
  59    st_init_draw( st );
  60    st_init_cb_program( st );
  61
  62    return st;
  63 }
  64
  65
  66 void st_destroy_context( struct st_context *st )
  67 {
  68    st_destroy_atoms( st );
  69    st_destroy_draw( st );
  70    st_destroy_cb_program( st );
  71    st->softpipe->destroy( st->softpipe );
  72    FREE( st );
  73 }
  74
  75
  76