1 /**************************************************************************
2 *
3 * Copyright 2007 VMware, Inc.
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 VMWARE 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 <keithw@vmware.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 *
softpipe_create_vertex_elements_state(struct pipe_context * pipe,unsigned count,const struct pipe_vertex_element * attribs)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
softpipe_bind_vertex_elements_state(struct pipe_context * pipe,void * velems)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
softpipe_delete_vertex_elements_state(struct pipe_context * pipe,void * velems)75 softpipe_delete_vertex_elements_state(struct pipe_context *pipe, void *velems)
76 {
77 FREE( velems );
78 }
79
80
81 static void
softpipe_set_vertex_buffers(struct pipe_context * pipe,unsigned start_slot,unsigned count,const struct pipe_vertex_buffer * buffers)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 void
softpipe_init_vertex_funcs(struct pipe_context * pipe)101 softpipe_init_vertex_funcs(struct pipe_context *pipe)
102 {
103 pipe->create_vertex_elements_state = softpipe_create_vertex_elements_state;
104 pipe->bind_vertex_elements_state = softpipe_bind_vertex_elements_state;
105 pipe->delete_vertex_elements_state = softpipe_delete_vertex_elements_state;
106
107 pipe->set_vertex_buffers = softpipe_set_vertex_buffers;
108 }
109