Subversion Repositories Kolibri OS

Rev

Go to most recent revision | Blame | Last modification | View Log | RSS feed

  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 "sp_context.h"
  33. #include "sp_state.h"
  34.  
  35. #include "util/u_memory.h"
  36. #include "util/u_helpers.h"
  37. #include "util/u_inlines.h"
  38. #include "util/u_transfer.h"
  39. #include "draw/draw_context.h"
  40.  
  41.  
  42. static void *
  43. softpipe_create_vertex_elements_state(struct pipe_context *pipe,
  44.                                       unsigned count,
  45.                                       const struct pipe_vertex_element *attribs)
  46. {
  47.    struct sp_velems_state *velems;
  48.    assert(count <= PIPE_MAX_ATTRIBS);
  49.    velems = (struct sp_velems_state *) MALLOC(sizeof(struct sp_velems_state));
  50.    if (velems) {
  51.       velems->count = count;
  52.       memcpy(velems->velem, attribs, sizeof(*attribs) * count);
  53.    }
  54.    return velems;
  55. }
  56.  
  57.  
  58. static void
  59. softpipe_bind_vertex_elements_state(struct pipe_context *pipe,
  60.                                     void *velems)
  61. {
  62.    struct softpipe_context *softpipe = softpipe_context(pipe);
  63.    struct sp_velems_state *sp_velems = (struct sp_velems_state *) velems;
  64.  
  65.    softpipe->velems = sp_velems;
  66.  
  67.    softpipe->dirty |= SP_NEW_VERTEX;
  68.  
  69.    if (sp_velems)
  70.       draw_set_vertex_elements(softpipe->draw, sp_velems->count, sp_velems->velem);
  71. }
  72.  
  73.  
  74. static void
  75. softpipe_delete_vertex_elements_state(struct pipe_context *pipe, void *velems)
  76. {
  77.    FREE( velems );
  78. }
  79.  
  80.  
  81. static void
  82. softpipe_set_vertex_buffers(struct pipe_context *pipe,
  83.                             unsigned start_slot, unsigned count,
  84.                             const struct pipe_vertex_buffer *buffers)
  85. {
  86.    struct softpipe_context *softpipe = softpipe_context(pipe);
  87.  
  88.    assert(count <= PIPE_MAX_ATTRIBS);
  89.  
  90.    util_set_vertex_buffers_count(softpipe->vertex_buffer,
  91.                                  &softpipe->num_vertex_buffers,
  92.                                  buffers, start_slot, count);
  93.  
  94.    softpipe->dirty |= SP_NEW_VERTEX;
  95.  
  96.    draw_set_vertex_buffers(softpipe->draw, start_slot, count, buffers);
  97. }
  98.  
  99.  
  100. static void
  101. softpipe_set_index_buffer(struct pipe_context *pipe,
  102.                           const struct pipe_index_buffer *ib)
  103. {
  104.    struct softpipe_context *softpipe = softpipe_context(pipe);
  105.  
  106.    if (ib)
  107.       memcpy(&softpipe->index_buffer, ib, sizeof(softpipe->index_buffer));
  108.    else
  109.       memset(&softpipe->index_buffer, 0, sizeof(softpipe->index_buffer));
  110. }
  111.  
  112.  
  113. void
  114. softpipe_init_vertex_funcs(struct pipe_context *pipe)
  115. {
  116.    pipe->create_vertex_elements_state = softpipe_create_vertex_elements_state;
  117.    pipe->bind_vertex_elements_state = softpipe_bind_vertex_elements_state;
  118.    pipe->delete_vertex_elements_state = softpipe_delete_vertex_elements_state;
  119.  
  120.    pipe->set_vertex_buffers = softpipe_set_vertex_buffers;
  121.    pipe->set_index_buffer = softpipe_set_index_buffer;
  122. }
  123.