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5563 serge 1 
/*
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 * Copyright 2012 Red Hat Inc.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the "Software"),
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 * to deal in the Software without restriction, including without limitation
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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 * and/or sell copies of the Software, and to permit persons to whom the
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 * Software is furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
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 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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 * OTHER DEALINGS IN THE SOFTWARE.
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 *
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 * Authors: Ben Skeggs
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 *
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 */
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#include "util/u_inlines.h"
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#include "nv30_context.h"
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void
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nv40_verttex_validate(struct nv30_context *nv30)
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{
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   struct nouveau_pushbuf *push = nv30->base.pushbuf;
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   unsigned dirty = nv30->vertprog.dirty_samplers;
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   while (dirty) {
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      unsigned unit = ffs(dirty) - 1;
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      struct nv30_sampler_view *sv = (void *)nv30->fragprog.textures[unit];
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      struct nv30_sampler_state *ss = nv30->fragprog.samplers[unit];
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      if (ss && sv) {
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      } else {
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         BEGIN_NV04(push, NV40_3D(VTXTEX_ENABLE(unit)), 1);
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         PUSH_DATA (push, 0);
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      }
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   }
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   nv30->vertprog.dirty_samplers = 0;
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}
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static void
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nv40_verttex_sampler_states_bind(struct pipe_context *pipe,
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                                 unsigned nr, void **hwcso)
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{
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   struct nv30_context *nv30 = nv30_context(pipe);
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   unsigned i;
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   for (i = 0; i < nr; i++) {
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      nv30->vertprog.samplers[i] = hwcso[i];
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      nv30->vertprog.dirty_samplers |= (1 << i);
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   }
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   for (; i < nv30->vertprog.num_samplers; i++) {
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      nv30->vertprog.samplers[i] = NULL;
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      nv30->vertprog.dirty_samplers |= (1 << i);
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   }
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   nv30->vertprog.num_samplers = nr;
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   nv30->dirty |= NV30_NEW_VERTTEX;
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}
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static void
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nv40_verttex_set_sampler_views(struct pipe_context *pipe, unsigned nr,
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                               struct pipe_sampler_view **views)
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{
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   struct nv30_context *nv30 = nv30_context(pipe);
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   unsigned i;
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   for (i = 0; i < nr; i++) {
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      nouveau_bufctx_reset(nv30->bufctx, BUFCTX_VERTTEX(i));
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      pipe_sampler_view_reference(&nv30->vertprog.textures[i], views[i]);
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      nv30->vertprog.dirty_samplers |= (1 << i);
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   }
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   for (; i < nv30->vertprog.num_textures; i++) {
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      nouveau_bufctx_reset(nv30->bufctx, BUFCTX_VERTTEX(i));
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      pipe_sampler_view_reference(&nv30->vertprog.textures[i], NULL);
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      nv30->vertprog.dirty_samplers |= (1 << i);
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   }
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   nv30->vertprog.num_textures = nr;
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   nv30->dirty |= NV30_NEW_VERTTEX;
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}
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void
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nv40_verttex_init(struct pipe_context *pipe)
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{
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   pipe->bind_vertex_sampler_states = nv40_verttex_sampler_states_bind;
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   pipe->set_vertex_sampler_views = nv40_verttex_set_sampler_views;
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}