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/**************************************************************************
*
* Copyright 2009 VMware, Inc.
* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* 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
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#include "pipe/p_defines.h"
#include "tgsi/tgsi_parse.h"
#include "util/u_memory.h"
#include "draw/draw_context.h"
#include "lp_context.h"
#include "lp_state.h"
void *
llvmpipe_create_vs_state(struct pipe_context *pipe,
const struct pipe_shader_state *templ)
{
struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
struct lp_vertex_shader *state;
state = CALLOC_STRUCT(lp_vertex_shader);
if (state == NULL )
goto fail;
/* copy shader tokens, the ones passed in will go away.
*/
state->shader.tokens = tgsi_dup_tokens(templ->tokens);
if (state->shader.tokens == NULL)
goto fail;
state->draw_data = draw_create_vertex_shader(llvmpipe->draw, templ);
if (state->draw_data == NULL)
goto fail;
return state;
fail:
if (state) {
FREE( (void *)state->shader.tokens );
FREE( state->draw_data );
FREE( state );
}
return NULL;
}
void
llvmpipe_bind_vs_state(struct pipe_context *pipe, void *_vs)
{
struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
const struct lp_vertex_shader *vs = (const struct lp_vertex_shader *)_vs;
if (llvmpipe->vs == vs)
return;
draw_bind_vertex_shader(llvmpipe->draw,
vs ? vs->draw_data : NULL);
llvmpipe->vs = vs;
llvmpipe->dirty |= LP_NEW_VS;
}
void
llvmpipe_delete_vs_state(struct pipe_context *pipe, void *vs)
{
struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
struct lp_vertex_shader *state =
(struct lp_vertex_shader *)vs;
draw_delete_vertex_shader(llvmpipe->draw, state->draw_data);
FREE( (void *)state->shader.tokens );
FREE( state );
}
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