Home | History | Annotate | Download | only in draw 
      1 /**************************************************************************
      2  *
      3  * Copyright 2010 VMware, Inc.
      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 VMWARE 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 "pipe/p_shader_tokens.h"
     29 
     30 #include "util/u_math.h"
     31 #include "util/u_memory.h"
     32 #include "util/u_prim.h"
     33 
     34 #include "tgsi/tgsi_parse.h"
     35 
     36 #include "draw_fs.h"
     37 #include "draw_private.h"
     38 #include "draw_context.h"
     39 
     40 
     41 struct draw_fragment_shader *
     42 draw_create_fragment_shader(struct draw_context *draw,
     43                             const struct pipe_shader_state *shader)
     44 {
     45    struct draw_fragment_shader *dfs;
     46 
     47    dfs = CALLOC_STRUCT(draw_fragment_shader);
     48    if (dfs) {
     49       dfs->base = *shader;
     50       tgsi_scan_shader(shader->tokens, &dfs->info);
     51    }
     52 
     53    return dfs;
     54 }
     55 
     56 
     57 void
     58 draw_bind_fragment_shader(struct draw_context *draw,
     59                           struct draw_fragment_shader *dfs)
     60 {
     61    draw_do_flush(draw, DRAW_FLUSH_STATE_CHANGE);
     62 
     63    draw->fs.fragment_shader = dfs;
     64 }
     65 
     66 
     67 void
     68 draw_delete_fragment_shader(struct draw_context *draw,
     69                             struct draw_fragment_shader *dfs)
     70 {
     71    FREE(dfs);
     72 }
     73 
     74