summaryrefslogtreecommitdiffstats
path: root/o3d/core/cross/draw_element.cc
blob: 9d66c696b84e1330247330beb33fb000db45cf53 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
/*
 * Copyright 2009, Google Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */


// This file contains the definition of DrawElement.

#include "core/cross/draw_element.h"
#include "core/cross/renderer.h"
#include "core/cross/error.h"

namespace o3d {

O3D_DEFN_CLASS(DrawElement, ParamObject);

const char* DrawElement::kMaterialParamName =
    O3D_STRING_CONSTANT("material");

ObjectBase::Ref DrawElement::Create(ServiceLocator* service_locator) {
  Renderer* renderer = service_locator->GetService<Renderer>();
  if (NULL == renderer) {
    O3D_ERROR(service_locator) << "No Render Device Available";
    return ObjectBase::Ref();
  }

  return ObjectBase::Ref(renderer->CreateDrawElement());
}

DrawElement::DrawElement(ServiceLocator* service_locator)
    : ParamObject(service_locator),
      owner_(NULL) {
  RegisterParamRef(kMaterialParamName, &material_param_ref_);
}

DrawElement::~DrawElement() {
}

void DrawElement::SetOwner(Element* new_owner) {
  // Hold a ref to ourselves so we make sure we don't get deleted while
  // as we remove ourself from our current owner.
  DrawElement::Ref temp(this);

  if (owner_ != NULL) {
    bool removed = owner_->RemoveDrawElement(this);
    DLOG_ASSERT(removed);
  }

  owner_ = new_owner;

  if (new_owner) {
    new_owner->AddDrawElement(this);
  }
}
}  // namespace o3d