src/mesa/drivers/dri/i965/gen7_disable.c

   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    struct intel_context *intel = &brw->intel;
  33
  34    assert(!brw->gs.prog_active);
  35
  36    /* Disable the Geometry Shader (GS) Unit */
  37    BEGIN_BATCH(7);
  38    OUT_BATCH(_3DSTATE_CONSTANT_GS << 16 | (7 - 2));
  39    OUT_BATCH(0);
  40    OUT_BATCH(0);
  41    OUT_BATCH(0);
  42    OUT_BATCH(0);
  43    OUT_BATCH(0);
  44    OUT_BATCH(0);
  45    ADVANCE_BATCH();
  46
  47    BEGIN_BATCH(7);
  48    OUT_BATCH(_3DSTATE_GS << 16 | (7 - 2));
  49    OUT_BATCH(0); /* prog_bo */
  50    OUT_BATCH((0 << GEN6_GS_SAMPLER_COUNT_SHIFT) |
  51              (0 << GEN6_GS_BINDING_TABLE_ENTRY_COUNT_SHIFT));
  52    OUT_BATCH(0); /* scratch space base offset */
  53    OUT_BATCH((1 << GEN6_GS_DISPATCH_START_GRF_SHIFT) |
  54              (0 << GEN6_GS_URB_READ_LENGTH_SHIFT) |
  55              GEN7_GS_INCLUDE_VERTEX_HANDLES |
  56              (0 << GEN6_GS_URB_ENTRY_READ_OFFSET_SHIFT));
  57    OUT_BATCH((0 << GEN6_GS_MAX_THREADS_SHIFT) |
  58              GEN6_GS_STATISTICS_ENABLE);
  59    OUT_BATCH(0);
  60    ADVANCE_BATCH();
  61
  62    BEGIN_BATCH(2);
  63    OUT_BATCH(_3DSTATE_BINDING_TABLE_POINTERS_GS << 16 | (2 - 2));
  64    OUT_BATCH(0);
  65    ADVANCE_BATCH();
  66
  67    /* Disable the HS Unit */
  68    BEGIN_BATCH(7);
  69    OUT_BATCH(_3DSTATE_CONSTANT_HS << 16 | (7 - 2));
  70    OUT_BATCH(0);
  71    OUT_BATCH(0);
  72    OUT_BATCH(0);
  73    OUT_BATCH(0);
  74    OUT_BATCH(0);
  75    OUT_BATCH(0);
  76    ADVANCE_BATCH();
  77
  78    BEGIN_BATCH(7);
  79    OUT_BATCH(_3DSTATE_HS << 16 | (7 - 2));
  80    OUT_BATCH(0);
  81    OUT_BATCH(0);
  82    OUT_BATCH(0);
  83    OUT_BATCH(0);
  84    OUT_BATCH(0);
  85    OUT_BATCH(0);
  86    ADVANCE_BATCH();
  87
  88    BEGIN_BATCH(2);
  89    OUT_BATCH(_3DSTATE_BINDING_TABLE_POINTERS_HS << 16 | (2 - 2));
  90    OUT_BATCH(0);
  91    ADVANCE_BATCH();
  92
  93    /* Disable the TE */
  94    BEGIN_BATCH(4);
  95    OUT_BATCH(_3DSTATE_TE << 16 | (4 - 2));
  96    OUT_BATCH(0);
  97    OUT_BATCH(0);
  98    OUT_BATCH(0);
  99    ADVANCE_BATCH();
 100
 101    /* Disable the DS Unit */
 102    BEGIN_BATCH(7);
 103    OUT_BATCH(_3DSTATE_CONSTANT_DS << 16 | (7 - 2));
 104    OUT_BATCH(0);
 105    OUT_BATCH(0);
 106    OUT_BATCH(0);
 107    OUT_BATCH(0);
 108    OUT_BATCH(0);
 109    OUT_BATCH(0);
 110    ADVANCE_BATCH();
 111
 112    BEGIN_BATCH(6);
 113    OUT_BATCH(_3DSTATE_DS << 16 | (6 - 2));
 114    OUT_BATCH(0);
 115    OUT_BATCH(0);
 116    OUT_BATCH(0);
 117    OUT_BATCH(0);
 118    OUT_BATCH(0);
 119    ADVANCE_BATCH();
 120
 121    BEGIN_BATCH(2);
 122    OUT_BATCH(_3DSTATE_BINDING_TABLE_POINTERS_DS << 16 | (2 - 2));
 123    OUT_BATCH(0);
 124    ADVANCE_BATCH();
 125
 126    /* Disable the SOL stage */
 127    BEGIN_BATCH(3);
 128    OUT_BATCH(_3DSTATE_STREAMOUT << 16 | (3 - 2));
 129    OUT_BATCH(0);
 130    OUT_BATCH(0);
 131    ADVANCE_BATCH();
 132 }
 133
 134 const struct brw_tracked_state gen7_disable_stages = {
 135    .dirty = {
 136       .mesa  = 0,
 137       .brw   = BRW_NEW_BATCH,
 138       .cache = 0,
 139    },
 140    .emit = disable_stages,
 141 };