xref: /third_party/mesa3d/src/gallium/drivers/llvmpipe/lp_state_vs.c

/**************************************************************************
 *
 * Copyright 2009 VMware, Inc.
 * Copyright 2007 VMware, Inc.
 * All Rights Reserved.
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 * copy of this software and associated documentation files (the
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 * distribute, sub license, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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#include "pipe/p_defines.h"
#include "tgsi/tgsi_dump.h"
#include "tgsi/tgsi_parse.h"
#include "util/u_memory.h"
#include "draw/draw_context.h"

#include "lp_context.h"
#include "lp_debug.h"
#include "lp_state.h"


static void *
llvmpipe_create_vs_state(struct pipe_context *pipe,
                         const struct pipe_shader_state *templ)
{
   struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
   struct draw_vertex_shader *vs;

   vs = draw_create_vertex_shader(llvmpipe->draw, templ);
   if (!vs) {
      return NULL;
   }

   if (LP_DEBUG & DEBUG_TGSI && templ->type == PIPE_SHADER_IR_TGSI) {
      debug_printf("llvmpipe: Create vertex shader %p:\n", (void *) vs);
      tgsi_dump(templ->tokens, 0);
   }

   return vs;
}


static void
llvmpipe_bind_vs_state(struct pipe_context *pipe, void *_vs)
{
   struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
   struct draw_vertex_shader *vs = (struct draw_vertex_shader *)_vs;

   if (llvmpipe->vs == vs)
      return;

   draw_bind_vertex_shader(llvmpipe->draw, vs);

   llvmpipe->vs = vs;

   llvmpipe->dirty |= LP_NEW_VS;
}


static void
llvmpipe_delete_vs_state(struct pipe_context *pipe, void *_vs)
{
   struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
   struct draw_vertex_shader *vs = (struct draw_vertex_shader *)_vs;

   draw_delete_vertex_shader(llvmpipe->draw, vs);
}



void
llvmpipe_init_vs_funcs(struct llvmpipe_context *llvmpipe)
{
   llvmpipe->pipe.create_vs_state = llvmpipe_create_vs_state;
   llvmpipe->pipe.bind_vs_state   = llvmpipe_bind_vs_state;
   llvmpipe->pipe.delete_vs_state = llvmpipe_delete_vs_state;
}