src/gallium/drivers/nouveau/nv30/nv40_verttex.c

   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    }
  46
  47    nv30->vertprog.dirty_samplers = 0;
  48 }
  49
  50 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->set_vertex_sampler_views = nv40_verttex_set_sampler_views;
  99 }