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/**************************************************************************
*
* Copyright 2007 VMware, Inc.
* 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 VMWARE 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.
*
**************************************************************************/
/* Authors: Keith Whitwell <keithw@vmware.com>
*/
#include "lp_context.h"
#include "lp_state.h"
#include "draw/draw_context.h"
#include "util/u_helpers.h"
#include "util/u_inlines.h"
#include "util/u_transfer.h"
static void *
llvmpipe_create_vertex_elements_state(struct pipe_context *pipe,
unsigned count,
const struct pipe_vertex_element *attribs)
{
struct lp_velems_state *velems;
assert(count <= PIPE_MAX_ATTRIBS);
velems = (struct lp_velems_state *) MALLOC(sizeof(struct lp_velems_state));
if (velems) {
velems->count = count;
memcpy(velems->velem, attribs, sizeof(*attribs) * count);
}
return velems;
}
static void
llvmpipe_bind_vertex_elements_state(struct pipe_context *pipe,
void *velems)
{
struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
struct lp_velems_state *lp_velems = (struct lp_velems_state *) velems;
llvmpipe->velems = lp_velems;
llvmpipe->dirty |= LP_NEW_VERTEX;
if (velems)
draw_set_vertex_elements(llvmpipe->draw, lp_velems->count, lp_velems->velem);
}
static void
llvmpipe_delete_vertex_elements_state(struct pipe_context *pipe, void *velems)
{
FREE( velems );
}
static void
llvmpipe_set_vertex_buffers(struct pipe_context *pipe,
unsigned start_slot, unsigned count,
const struct pipe_vertex_buffer *buffers)
{
struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
assert(count <= PIPE_MAX_ATTRIBS);
util_set_vertex_buffers_count(llvmpipe->vertex_buffer,
&llvmpipe->num_vertex_buffers,
buffers, start_slot, count);
llvmpipe->dirty |= LP_NEW_VERTEX;
draw_set_vertex_buffers(llvmpipe->draw, start_slot, count, buffers);
}
static void
llvmpipe_set_index_buffer(struct pipe_context *pipe,
const struct pipe_index_buffer *ib)
{
struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
if (ib)
memcpy(&llvmpipe->index_buffer, ib, sizeof(llvmpipe->index_buffer));
else
memset(&llvmpipe->index_buffer, 0, sizeof(llvmpipe->index_buffer));
}
void
llvmpipe_init_vertex_funcs(struct llvmpipe_context *llvmpipe)
{
llvmpipe->pipe.create_vertex_elements_state = llvmpipe_create_vertex_elements_state;
llvmpipe->pipe.bind_vertex_elements_state = llvmpipe_bind_vertex_elements_state;
llvmpipe->pipe.delete_vertex_elements_state = llvmpipe_delete_vertex_elements_state;
llvmpipe->pipe.set_vertex_buffers = llvmpipe_set_vertex_buffers;
llvmpipe->pipe.set_index_buffer = llvmpipe_set_index_buffer;
}
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