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      1 /**************************************************************************
      2  *
      3  * Copyright 2009 VMware, Inc.
      4  * Copyright 2007 VMware, Inc.
      5  * All Rights Reserved.
      6  *
      7  * Permission is hereby granted, free of charge, to any person obtaining a
      8  * copy of this software and associated documentation files (the
      9  * "Software"), to deal in the Software without restriction, including
     10  * without limitation the rights to use, copy, modify, merge, publish,
     11  * distribute, sub license, and/or sell copies of the Software, and to
     12  * permit persons to whom the Software is furnished to do so, subject to
     13  * the following conditions:
     14  *
     15  * The above copyright notice and this permission notice (including the
     16  * next paragraph) shall be included in all copies or substantial portions
     17  * of the Software.
     18  *
     19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     21  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
     22  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
     23  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
     24  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
     25  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     26  *
     27  **************************************************************************/
     28 
     29 
     30 #include "pipe/p_defines.h"
     31 #include "tgsi/tgsi_dump.h"
     32 #include "tgsi/tgsi_parse.h"
     33 #include "util/u_memory.h"
     34 #include "draw/draw_context.h"
     35 
     36 #include "lp_context.h"
     37 #include "lp_debug.h"
     38 #include "lp_state.h"
     39 
     40 
     41 static void *
     42 llvmpipe_create_vs_state(struct pipe_context *pipe,
     43                          const struct pipe_shader_state *templ)
     44 {
     45    struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
     46    struct draw_vertex_shader *vs;
     47 
     48    vs = draw_create_vertex_shader(llvmpipe->draw, templ);
     49    if (!vs) {
     50       return NULL;
     51    }
     52 
     53    if (LP_DEBUG & DEBUG_TGSI) {
     54       debug_printf("llvmpipe: Create vertex shader %p:\n", (void *) vs);
     55       tgsi_dump(templ->tokens, 0);
     56    }
     57 
     58    return vs;
     59 }
     60 
     61 
     62 static void
     63 llvmpipe_bind_vs_state(struct pipe_context *pipe, void *_vs)
     64 {
     65    struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
     66    struct draw_vertex_shader *vs = (struct draw_vertex_shader *)_vs;
     67 
     68    if (llvmpipe->vs == vs)
     69       return;
     70 
     71    draw_bind_vertex_shader(llvmpipe->draw, vs);
     72 
     73    llvmpipe->vs = vs;
     74 
     75    llvmpipe->dirty |= LP_NEW_VS;
     76 }
     77 
     78 
     79 static void
     80 llvmpipe_delete_vs_state(struct pipe_context *pipe, void *_vs)
     81 {
     82    struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
     83    struct draw_vertex_shader *vs = (struct draw_vertex_shader *)_vs;
     84 
     85    draw_delete_vertex_shader(llvmpipe->draw, vs);
     86 }
     87 
     88 
     89 
     90 void
     91 llvmpipe_init_vs_funcs(struct llvmpipe_context *llvmpipe)
     92 {
     93    llvmpipe->pipe.create_vs_state = llvmpipe_create_vs_state;
     94    llvmpipe->pipe.bind_vs_state   = llvmpipe_bind_vs_state;
     95    llvmpipe->pipe.delete_vs_state = llvmpipe_delete_vs_state;
     96 }
     97