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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 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 
     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