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  1. /*
  2.  * Copyright © 2010 Intel Corporation
  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 (including the next
  12.  * paragraph) shall be included in all copies or substantial portions of the
  13.  * Software.
  14.  *
  15.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16.  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17.  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18.  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19.  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20.  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21.  * IN THE SOFTWARE.
  22.  *
  23.  * Authors:
  24.  *    Eric Anholt <eric@anholt.net>
  25.  *
  26.  */
  27.  
  28. #include "brw_context.h"
  29. #include "brw_state.h"
  30. #include "brw_defines.h"
  31. #include "intel_batchbuffer.h"
  32.  
  33. static void
  34. upload_sampler_state_pointers(struct brw_context *brw)
  35. {
  36.    BEGIN_BATCH(4);
  37.    OUT_BATCH(_3DSTATE_SAMPLER_STATE_POINTERS << 16 |
  38.              VS_SAMPLER_STATE_CHANGE |
  39.              GS_SAMPLER_STATE_CHANGE |
  40.              PS_SAMPLER_STATE_CHANGE |
  41.              (4 - 2));
  42.    OUT_BATCH(brw->vs.base.sampler_offset); /* VS */
  43.    OUT_BATCH(brw->gs.base.sampler_offset); /* GS */
  44.    OUT_BATCH(brw->wm.base.sampler_offset);
  45.    ADVANCE_BATCH();
  46. }
  47.  
  48. const struct brw_tracked_state gen6_sampler_state = {
  49.    .dirty = {
  50.       .mesa = 0,
  51.       .brw = BRW_NEW_BATCH |
  52.              BRW_NEW_SAMPLER_STATE_TABLE |
  53.              BRW_NEW_STATE_BASE_ADDRESS,
  54.    },
  55.    .emit = upload_sampler_state_pointers,
  56. };
  57.