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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 OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: Ben Skeggs
23  *
24  */
25 
26 #include "util/u_inlines.h"
27 #include "nv30/nv30_context.h"
28 
29 void
nv40_verttex_validate(struct nv30_context * nv30)30 nv40_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       dirty &= ~(1 << unit);
46    }
47 
48    nv30->vertprog.dirty_samplers = 0;
49 }
50 
51 void
nv40_verttex_sampler_states_bind(struct pipe_context * pipe,unsigned nr,void ** hwcso)52 nv40_verttex_sampler_states_bind(struct pipe_context *pipe,
53                                  unsigned nr, void **hwcso)
54 {
55    struct nv30_context *nv30 = nv30_context(pipe);
56    unsigned i;
57 
58    for (i = 0; i < nr; i++) {
59       nv30->vertprog.samplers[i] = hwcso[i];
60       nv30->vertprog.dirty_samplers |= (1 << i);
61    }
62 
63    for (; i < nv30->vertprog.num_samplers; i++) {
64       nv30->vertprog.samplers[i] = NULL;
65       nv30->vertprog.dirty_samplers |= (1 << i);
66    }
67 
68    nv30->vertprog.num_samplers = nr;
69    nv30->dirty |= NV30_NEW_VERTTEX;
70 }
71 
72 
73 void
nv40_verttex_set_sampler_views(struct pipe_context * pipe,unsigned nr,struct pipe_sampler_view ** views)74 nv40_verttex_set_sampler_views(struct pipe_context *pipe, unsigned nr,
75                                struct pipe_sampler_view **views)
76 {
77    struct nv30_context *nv30 = nv30_context(pipe);
78    unsigned i;
79 
80    for (i = 0; i < nr; i++) {
81       nouveau_bufctx_reset(nv30->bufctx, BUFCTX_VERTTEX(i));
82       pipe_sampler_view_reference(&nv30->vertprog.textures[i], views[i]);
83       nv30->vertprog.dirty_samplers |= (1 << i);
84    }
85 
86    for (; i < nv30->vertprog.num_textures; i++) {
87       nouveau_bufctx_reset(nv30->bufctx, BUFCTX_VERTTEX(i));
88       pipe_sampler_view_reference(&nv30->vertprog.textures[i], NULL);
89       nv30->vertprog.dirty_samplers |= (1 << i);
90    }
91 
92    nv30->vertprog.num_textures = nr;
93    nv30->dirty |= NV30_NEW_VERTTEX;
94 }
95 
96 void
nv40_verttex_init(struct pipe_context * pipe)97 nv40_verttex_init(struct pipe_context *pipe)
98 {
99    /* nothing */
100 }
101