Subversion Repositories Kolibri OS

Rev

Go to most recent revision | Blame | Last modification | View Log | RSS feed

  1. /*
  2.  * Copyright © 2009 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_gs_state(struct brw_context *brw)
  35. {
  36.    /* Disable all the constant buffers. */
  37.    BEGIN_BATCH(5);
  38.    OUT_BATCH(_3DSTATE_CONSTANT_GS << 16 | (5 - 2));
  39.    OUT_BATCH(0);
  40.    OUT_BATCH(0);
  41.    OUT_BATCH(0);
  42.    OUT_BATCH(0);
  43.    ADVANCE_BATCH();
  44.  
  45.    if (brw->gs.prog_active) {
  46.       BEGIN_BATCH(7);
  47.       OUT_BATCH(_3DSTATE_GS << 16 | (7 - 2));
  48.       OUT_BATCH(brw->gs.prog_offset);
  49.       OUT_BATCH(GEN6_GS_SPF_MODE | GEN6_GS_VECTOR_MASK_ENABLE);
  50.       OUT_BATCH(0); /* no scratch space */
  51.       OUT_BATCH((2 << GEN6_GS_DISPATCH_START_GRF_SHIFT) |
  52.                 (brw->gs.prog_data->urb_read_length << GEN6_GS_URB_READ_LENGTH_SHIFT));
  53.       OUT_BATCH(((brw->max_gs_threads - 1) << GEN6_GS_MAX_THREADS_SHIFT) |
  54.                 GEN6_GS_STATISTICS_ENABLE |
  55.                 GEN6_GS_SO_STATISTICS_ENABLE |
  56.                 GEN6_GS_RENDERING_ENABLE);
  57.       OUT_BATCH(GEN6_GS_SVBI_PAYLOAD_ENABLE |
  58.                 GEN6_GS_SVBI_POSTINCREMENT_ENABLE |
  59.                 (brw->gs.prog_data->svbi_postincrement_value <<
  60.                  GEN6_GS_SVBI_POSTINCREMENT_VALUE_SHIFT) |
  61.                 GEN6_GS_ENABLE);
  62.       ADVANCE_BATCH();
  63.    } else {
  64.       BEGIN_BATCH(7);
  65.       OUT_BATCH(_3DSTATE_GS << 16 | (7 - 2));
  66.       OUT_BATCH(0); /* prog_bo */
  67.       OUT_BATCH((0 << GEN6_GS_SAMPLER_COUNT_SHIFT) |
  68.                 (0 << GEN6_GS_BINDING_TABLE_ENTRY_COUNT_SHIFT));
  69.       OUT_BATCH(0); /* scratch space base offset */
  70.       OUT_BATCH((1 << GEN6_GS_DISPATCH_START_GRF_SHIFT) |
  71.                 (0 << GEN6_GS_URB_READ_LENGTH_SHIFT) |
  72.                 (0 << GEN6_GS_URB_ENTRY_READ_OFFSET_SHIFT));
  73.       OUT_BATCH((0 << GEN6_GS_MAX_THREADS_SHIFT) |
  74.                 GEN6_GS_STATISTICS_ENABLE |
  75.                 GEN6_GS_RENDERING_ENABLE);
  76.       OUT_BATCH(0);
  77.       ADVANCE_BATCH();
  78.    }
  79. }
  80.  
  81. const struct brw_tracked_state gen6_gs_state = {
  82.    .dirty = {
  83.       .mesa  = _NEW_TRANSFORM,
  84.       .brw   = BRW_NEW_CONTEXT,
  85.       .cache = CACHE_NEW_GS_PROG
  86.    },
  87.    .emit = upload_gs_state,
  88. };
  89.