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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.    assert(!brw->gs.prog_active);
  33.  
  34.    /* Disable the Geometry Shader (GS) Unit */
  35.    BEGIN_BATCH(7);
  36.    OUT_BATCH(_3DSTATE_CONSTANT_GS << 16 | (7 - 2));
  37.    OUT_BATCH(0);
  38.    OUT_BATCH(0);
  39.    OUT_BATCH(0);
  40.    OUT_BATCH(0);
  41.    OUT_BATCH(0);
  42.    OUT_BATCH(0);
  43.    ADVANCE_BATCH();
  44.  
  45.    BEGIN_BATCH(7);
  46.    OUT_BATCH(_3DSTATE_GS << 16 | (7 - 2));
  47.    OUT_BATCH(0); /* prog_bo */
  48.    OUT_BATCH((0 << GEN6_GS_SAMPLER_COUNT_SHIFT) |
  49.              (0 << GEN6_GS_BINDING_TABLE_ENTRY_COUNT_SHIFT));
  50.    OUT_BATCH(0); /* scratch space base offset */
  51.    OUT_BATCH((1 << GEN6_GS_DISPATCH_START_GRF_SHIFT) |
  52.              (0 << GEN6_GS_URB_READ_LENGTH_SHIFT) |
  53.              GEN7_GS_INCLUDE_VERTEX_HANDLES |
  54.              (0 << GEN6_GS_URB_ENTRY_READ_OFFSET_SHIFT));
  55.    OUT_BATCH((0 << GEN6_GS_MAX_THREADS_SHIFT) |
  56.              GEN6_GS_STATISTICS_ENABLE);
  57.    OUT_BATCH(0);
  58.    ADVANCE_BATCH();
  59.  
  60.    BEGIN_BATCH(2);
  61.    OUT_BATCH(_3DSTATE_BINDING_TABLE_POINTERS_GS << 16 | (2 - 2));
  62.    OUT_BATCH(0);
  63.    ADVANCE_BATCH();
  64.  
  65.    /* Disable the HS Unit */
  66.    BEGIN_BATCH(7);
  67.    OUT_BATCH(_3DSTATE_CONSTANT_HS << 16 | (7 - 2));
  68.    OUT_BATCH(0);
  69.    OUT_BATCH(0);
  70.    OUT_BATCH(0);
  71.    OUT_BATCH(0);
  72.    OUT_BATCH(0);
  73.    OUT_BATCH(0);
  74.    ADVANCE_BATCH();
  75.  
  76.    BEGIN_BATCH(7);
  77.    OUT_BATCH(_3DSTATE_HS << 16 | (7 - 2));
  78.    OUT_BATCH(0);
  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_HS << 16 | (2 - 2));
  88.    OUT_BATCH(0);
  89.    ADVANCE_BATCH();
  90.  
  91.    /* Disable the TE */
  92.    BEGIN_BATCH(4);
  93.    OUT_BATCH(_3DSTATE_TE << 16 | (4 - 2));
  94.    OUT_BATCH(0);
  95.    OUT_BATCH(0);
  96.    OUT_BATCH(0);
  97.    ADVANCE_BATCH();
  98.  
  99.    /* Disable the DS Unit */
  100.    BEGIN_BATCH(7);
  101.    OUT_BATCH(_3DSTATE_CONSTANT_DS << 16 | (7 - 2));
  102.    OUT_BATCH(0);
  103.    OUT_BATCH(0);
  104.    OUT_BATCH(0);
  105.    OUT_BATCH(0);
  106.    OUT_BATCH(0);
  107.    OUT_BATCH(0);
  108.    ADVANCE_BATCH();
  109.  
  110.    BEGIN_BATCH(6);
  111.    OUT_BATCH(_3DSTATE_DS << 16 | (6 - 2));
  112.    OUT_BATCH(0);
  113.    OUT_BATCH(0);
  114.    OUT_BATCH(0);
  115.    OUT_BATCH(0);
  116.    OUT_BATCH(0);
  117.    ADVANCE_BATCH();
  118.  
  119.    BEGIN_BATCH(2);
  120.    OUT_BATCH(_3DSTATE_BINDING_TABLE_POINTERS_DS << 16 | (2 - 2));
  121.    OUT_BATCH(0);
  122.    ADVANCE_BATCH();
  123. }
  124.  
  125. const struct brw_tracked_state gen7_disable_stages = {
  126.    .dirty = {
  127.       .mesa  = 0,
  128.       .brw   = BRW_NEW_CONTEXT,
  129.       .cache = 0,
  130.    },
  131.    .emit = disable_stages,
  132. };
  133.