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  1. /*
  2.  * Copyright © 2011 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.  
  24. #include "brw_context.h"
  25. #include "brw_state.h"
  26. #include "brw_defines.h"
  27. #include "intel_batchbuffer.h"
  28.  
  29. static void
  30. disable_stages(struct brw_context *brw)
  31. {
  32.    /* Disable the HS Unit */
  33.    BEGIN_BATCH(7);
  34.    OUT_BATCH(_3DSTATE_CONSTANT_HS << 16 | (7 - 2));
  35.    OUT_BATCH(0);
  36.    OUT_BATCH(0);
  37.    OUT_BATCH(0);
  38.    OUT_BATCH(0);
  39.    OUT_BATCH(0);
  40.    OUT_BATCH(0);
  41.    ADVANCE_BATCH();
  42.  
  43.    BEGIN_BATCH(7);
  44.    OUT_BATCH(_3DSTATE_HS << 16 | (7 - 2));
  45.    OUT_BATCH(0);
  46.    OUT_BATCH(0);
  47.    OUT_BATCH(0);
  48.    OUT_BATCH(0);
  49.    OUT_BATCH(0);
  50.    OUT_BATCH(0);
  51.    ADVANCE_BATCH();
  52.  
  53.    BEGIN_BATCH(2);
  54.    OUT_BATCH(_3DSTATE_BINDING_TABLE_POINTERS_HS << 16 | (2 - 2));
  55.    OUT_BATCH(0);
  56.    ADVANCE_BATCH();
  57.  
  58.    /* Disable the TE */
  59.    BEGIN_BATCH(4);
  60.    OUT_BATCH(_3DSTATE_TE << 16 | (4 - 2));
  61.    OUT_BATCH(0);
  62.    OUT_BATCH(0);
  63.    OUT_BATCH(0);
  64.    ADVANCE_BATCH();
  65.  
  66.    /* Disable the DS Unit */
  67.    BEGIN_BATCH(7);
  68.    OUT_BATCH(_3DSTATE_CONSTANT_DS << 16 | (7 - 2));
  69.    OUT_BATCH(0);
  70.    OUT_BATCH(0);
  71.    OUT_BATCH(0);
  72.    OUT_BATCH(0);
  73.    OUT_BATCH(0);
  74.    OUT_BATCH(0);
  75.    ADVANCE_BATCH();
  76.  
  77.    BEGIN_BATCH(6);
  78.    OUT_BATCH(_3DSTATE_DS << 16 | (6 - 2));
  79.    OUT_BATCH(0);
  80.    OUT_BATCH(0);
  81.    OUT_BATCH(0);
  82.    OUT_BATCH(0);
  83.    OUT_BATCH(0);
  84.    ADVANCE_BATCH();
  85.  
  86.    BEGIN_BATCH(2);
  87.    OUT_BATCH(_3DSTATE_BINDING_TABLE_POINTERS_DS << 16 | (2 - 2));
  88.    OUT_BATCH(0);
  89.    ADVANCE_BATCH();
  90. }
  91.  
  92. const struct brw_tracked_state gen7_disable_stages = {
  93.    .dirty = {
  94.       .mesa  = 0,
  95.       .brw   = BRW_NEW_CONTEXT,
  96.    },
  97.    .emit = disable_stages,
  98. };
  99.