src/gallium/drivers/llvmpipe/lp_state_vs.c

   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 }