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    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 };