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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_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.    }
  46.  
  47.    nv30->vertprog.dirty_samplers = 0;
  48. }
  49.  
  50. static void
  51. nv40_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.  
  72. static void
  73. nv40_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.  
  95. void
  96. nv40_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.