src/gallium/drivers/cell/ppu/cell_state_vertex.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 /* Authors:  Keith Whitwell <keith@tungstengraphics.com>
  29  */
  30
  31
  32 #include "cell_context.h"
  33 #include "cell_state.h"
  34
  35 #include "util/u_memory.h"
  36 #include "draw/draw_context.h"
  37
  38
  39 void *
  40 cell_create_vertex_elements_state(struct pipe_context *pipe,
  41                                   unsigned count,
  42                                   const struct pipe_vertex_element *attribs)
  43 {
  44    struct cell_velems_state *velems;
  45    assert(count <= PIPE_MAX_ATTRIBS);
  46    velems = (struct cell_velems_state *) MALLOC(sizeof(struct cell_velems_state));
  47    if (velems) {
  48       velems->count = count;
  49       memcpy(velems->velem, attribs, sizeof(*attribs) * count);
  50    }
  51    return velems;
  52 }
  53
  54 void
  55 cell_bind_vertex_elements_state(struct pipe_context *pipe,
  56                                 void *velems)
  57 {
  58    struct cell_context *cell = cell_context(pipe);
  59    struct cell_velems_state *cell_velems = (struct cell_velems_state *) velems;
  60
  61    cell->velems = cell_velems;
  62
  63    cell->dirty |= CELL_NEW_VERTEX;
  64
  65    if (cell_velems)
  66       draw_set_vertex_elements(cell->draw, cell_velems->count, cell_velems->velem);
  67 }
  68
  69 void
  70 cell_delete_vertex_elements_state(struct pipe_context *pipe, void *velems)
  71 {
  72    FREE( velems );
  73 }
  74
  75
  76 static void
  77 cell_set_vertex_buffers(struct pipe_context *pipe,
  78                         unsigned count,
  79                         const struct pipe_vertex_buffer *buffers)
  80 {
  81    struct cell_context *cell = cell_context(pipe);
  82
  83    assert(count <= PIPE_MAX_ATTRIBS);
  84
  85    memcpy(cell->vertex_buffer, buffers, count * sizeof(buffers[0]));
  86    cell->num_vertex_buffers = count;
  87
  88    cell->dirty |= CELL_NEW_VERTEX;
  89
  90    draw_set_vertex_buffers(cell->draw, count, buffers);
  91 }
  92
  93
  94 void
  95 cell_init_vertex_functions(struct cell_context *cell)
  96 {
  97    cell->pipe.set_vertex_buffers = cell_set_vertex_buffers;
  98    cell->pipe.create_vertex_elements_state = cell_create_vertex_elements_state;
  99    cell->pipe.bind_vertex_elements_state = cell_bind_vertex_elements_state;
 100    cell->pipe.delete_vertex_elements_state = cell_delete_vertex_elements_state;
 101 }