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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
     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
     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
     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
     97 nv40_verttex_init(struct pipe_context *pipe)
     98 {
     99    /* nothing */
    100 }
    101