src/mesa/drivers/dri/i965/brw_blorp.cpp

   1 /*
   2  * Copyright © 2012 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 "intel_fbo.h"
  25
  26 #include "brw_blorp.h"
  27 #include "brw_defines.h"
  28 #include "gen6_blorp.h"
  29 #include "gen7_blorp.h"
  30
  31 brw_blorp_mip_info::brw_blorp_mip_info()
  32    : mt(NULL),
  33      level(0),
  34      layer(0)
  35 {
  36 }
  37
  38 void
  39 brw_blorp_mip_info::set(struct intel_mipmap_tree *mt,
  40                         unsigned int level, unsigned int layer)
  41 {
  42    intel_miptree_check_level_layer(mt, level, layer);
  43
  44    this->mt = mt;
  45    this->level = level;
  46    this->layer = layer;
  47 }
  48
  49 void
  50 brw_blorp_mip_info::get_draw_offsets(uint32_t *draw_x, uint32_t *draw_y) const
  51 {
  52    /* Construct a dummy renderbuffer just to extract tile offsets. */
  53    struct intel_renderbuffer rb;
  54    rb.mt = mt;
  55    rb.mt_level = level;
  56    rb.mt_layer = layer;
  57    intel_renderbuffer_set_draw_offset(&rb);
  58    *draw_x = rb.draw_x;
  59    *draw_y = rb.draw_y;
  60 }
  61
  62 brw_blorp_params::brw_blorp_params()
  63    : x0(0),
  64      y0(0),
  65      x1(0),
  66      y1(0),
  67      depth_format(0),
  68      hiz_op(GEN6_HIZ_OP_NONE)
  69 {
  70 }
  71
  72 void
  73 brw_blorp_params::exec(struct intel_context *intel) const
  74 {
  75    switch (intel->gen) {
  76    case 6:
  77       gen6_blorp_exec(intel, this);
  78       break;
  79    case 7:
  80       gen7_blorp_exec(intel, this);
  81       break;
  82    default:
  83       /* BLORP is not supported before Gen6. */
  84       assert(false);
  85       break;
  86    }
  87 }
  88
  89 brw_hiz_op_params::brw_hiz_op_params(struct intel_mipmap_tree *mt,
  90                                      unsigned int level,
  91                                      unsigned int layer,
  92                                      gen6_hiz_op op)
  93 {
  94    assert(op != GEN6_HIZ_OP_DEPTH_CLEAR); /* Not implemented yet. */
  95    this->hiz_op = op;
  96
  97    depth.set(mt, level, layer);
  98    depth.get_miplevel_dims(&x1, &y1);
  99
 100    assert(mt->hiz_mt != NULL);
 101
 102    switch (mt->format) {
 103    case MESA_FORMAT_Z16:       depth_format = BRW_DEPTHFORMAT_D16_UNORM; break;
 104    case MESA_FORMAT_Z32_FLOAT: depth_format = BRW_DEPTHFORMAT_D32_FLOAT; break;
 105    case MESA_FORMAT_X8_Z24:    depth_format = BRW_DEPTHFORMAT_D24_UNORM_X8_UINT; break;
 106    default:                    assert(0); break;
 107    }
 108 }