1/*
2 * Copyright 2012 Red Hat Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
18 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
19 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 *
22 * Authors: Ben Skeggs
23 *
24 */
25
26#include "util/u_inlines.h"
27#include "nv30_context.h"
28
29void
30nv40_verttex_validate(struct nv30_context *nv30)
31{
32   struct nouveau_pushbuf *push = nv30->base.pushbuf;
33   unsigned dirty = nv30->vertprog.dirty_samplers;
34
35   while (dirty) {
36      unsigned unit = ffs(dirty) - 1;
37      struct nv30_sampler_view *sv = (void *)nv30->fragprog.textures[unit];
38      struct nv30_sampler_state *ss = nv30->fragprog.samplers[unit];
39
40      if (ss && sv) {
41      } else {
42         BEGIN_NV04(push, NV40_3D(VTXTEX_ENABLE(unit)), 1);
43         PUSH_DATA (push, 0);
44      }
45   }
46
47   nv30->vertprog.dirty_samplers = 0;
48}
49
50static void
51nv40_verttex_sampler_states_bind(struct pipe_context *pipe,
52                                 unsigned nr, void **hwcso)
53{
54   struct nv30_context *nv30 = nv30_context(pipe);
55   unsigned i;
56
57   for (i = 0; i < nr; i++) {
58      nv30->vertprog.samplers[i] = hwcso[i];
59      nv30->vertprog.dirty_samplers |= (1 << i);
60   }
61
62   for (; i < nv30->vertprog.num_samplers; i++) {
63      nv30->vertprog.samplers[i] = NULL;
64      nv30->vertprog.dirty_samplers |= (1 << i);
65   }
66
67   nv30->vertprog.num_samplers = nr;
68   nv30->dirty |= NV30_NEW_VERTTEX;
69}
70
71
72static void
73nv40_verttex_set_sampler_views(struct pipe_context *pipe, unsigned nr,
74                               struct pipe_sampler_view **views)
75{
76   struct nv30_context *nv30 = nv30_context(pipe);
77   unsigned i;
78
79   for (i = 0; i < nr; i++) {
80      nouveau_bufctx_reset(nv30->bufctx, BUFCTX_VERTTEX(i));
81      pipe_sampler_view_reference(&nv30->vertprog.textures[i], views[i]);
82      nv30->vertprog.dirty_samplers |= (1 << i);
83   }
84
85   for (; i < nv30->vertprog.num_textures; i++) {
86      nouveau_bufctx_reset(nv30->bufctx, BUFCTX_VERTTEX(i));
87      pipe_sampler_view_reference(&nv30->vertprog.textures[i], NULL);
88      nv30->vertprog.dirty_samplers |= (1 << i);
89   }
90
91   nv30->vertprog.num_textures = nr;
92   nv30->dirty |= NV30_NEW_VERTTEX;
93}
94
95void
96nv40_verttex_init(struct pipe_context *pipe)
97{
98   pipe->bind_vertex_sampler_states = nv40_verttex_sampler_states_bind;
99   pipe->set_vertex_sampler_views = nv40_verttex_set_sampler_views;
100}
101