1 /*------------------------------------------------------------------------
2 * Vulkan Conformance Tests
3 * ------------------------
4 *
5 * Copyright (c) 2016 The Khronos Group Inc.
6 *
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 *
19 *//*!
20 * \file
21 * \brief Texture utility class
22 *//*--------------------------------------------------------------------*/
23
24 #include "vktImageTexture.hpp"
25
26 namespace vkt
27 {
28 namespace image
29 {
30
checkInvariants(void) const31 void Texture::checkInvariants (void) const
32 {
33 DE_ASSERT((m_numSamples == 1) || (m_numSamples == 2) || (m_numSamples == 4) || (m_numSamples == 8) ||
34 (m_numSamples == 16) || (m_numSamples == 32) || (m_numSamples == 64));
35 DE_ASSERT(m_numLayers >= 1);
36 DE_ASSERT(m_layerSize.x() >= 1 && m_layerSize.y() >= 1 && m_layerSize.z() >= 1);
37
38 switch (m_type)
39 {
40 case IMAGE_TYPE_1D:
41 case IMAGE_TYPE_BUFFER:
42 DE_ASSERT(m_numLayers == 1);
43 DE_ASSERT(m_numSamples == 1);
44 DE_ASSERT(m_layerSize.y() == 1 && m_layerSize.z() == 1);
45 break;
46
47 case IMAGE_TYPE_1D_ARRAY:
48 DE_ASSERT(m_numSamples == 1);
49 DE_ASSERT(m_layerSize.y() == 1 && m_layerSize.z() == 1);
50 break;
51
52 case IMAGE_TYPE_2D:
53 DE_ASSERT(m_numLayers == 1);
54 DE_ASSERT(m_layerSize.z() == 1);
55 break;
56
57 case IMAGE_TYPE_2D_ARRAY:
58 DE_ASSERT(m_layerSize.z() == 1);
59 break;
60
61 case IMAGE_TYPE_CUBE:
62 DE_ASSERT(m_numSamples == 1);
63 DE_ASSERT(m_numLayers == 6);
64 DE_ASSERT(m_layerSize.z() == 1);
65 break;
66
67 case IMAGE_TYPE_CUBE_ARRAY:
68 DE_ASSERT(m_numSamples == 1);
69 DE_ASSERT(m_numLayers >= 6 && m_numLayers % 6 == 0);
70 DE_ASSERT(m_layerSize.z() == 1);
71 break;
72
73 case IMAGE_TYPE_3D:
74 DE_ASSERT(m_numSamples == 1);
75 DE_ASSERT(m_numLayers == 1);
76 break;
77
78 default:
79 DE_FATAL("Internal error");
80 break;
81 }
82 }
83
Texture(const ImageType imageType,const tcu::IVec3 & imageLayerSize,const int layers,const int samples)84 Texture::Texture (const ImageType imageType, const tcu::IVec3& imageLayerSize, const int layers, const int samples)
85 : m_layerSize (imageLayerSize)
86 , m_type (imageType)
87 , m_numLayers (layers)
88 , m_numSamples (samples)
89 {
90 checkInvariants();
91 }
92
Texture(const Texture & other,const int samples)93 Texture::Texture (const Texture& other, const int samples)
94 : m_layerSize (other.m_layerSize)
95 , m_type (other.m_type)
96 , m_numLayers (other.m_numLayers)
97 , m_numSamples (samples)
98 {
99 checkInvariants();
100 }
101
size(void) const102 tcu::IVec3 Texture::size (void) const
103 {
104 switch (m_type)
105 {
106 case IMAGE_TYPE_1D:
107 case IMAGE_TYPE_BUFFER:
108 case IMAGE_TYPE_2D:
109 case IMAGE_TYPE_3D:
110 return m_layerSize;
111
112 case IMAGE_TYPE_1D_ARRAY:
113 return tcu::IVec3(m_layerSize.x(), m_numLayers, 1);
114
115 case IMAGE_TYPE_2D_ARRAY:
116 case IMAGE_TYPE_CUBE:
117 case IMAGE_TYPE_CUBE_ARRAY:
118 return tcu::IVec3(m_layerSize.x(), m_layerSize.y(), m_numLayers);
119
120 default:
121 DE_FATAL("Internal error");
122 return tcu::IVec3();
123 }
124 }
125
dimension(void) const126 int Texture::dimension (void) const
127 {
128 switch (m_type)
129 {
130 case IMAGE_TYPE_1D:
131 case IMAGE_TYPE_BUFFER:
132 return 1;
133
134 case IMAGE_TYPE_1D_ARRAY:
135 case IMAGE_TYPE_2D:
136 return 2;
137
138 case IMAGE_TYPE_2D_ARRAY:
139 case IMAGE_TYPE_CUBE:
140 case IMAGE_TYPE_CUBE_ARRAY:
141 case IMAGE_TYPE_3D:
142 return 3;
143
144 default:
145 DE_FATAL("Internal error");
146 return 0;
147 }
148 }
149
layerDimension(void) const150 int Texture::layerDimension (void) const
151 {
152 switch (m_type)
153 {
154 case IMAGE_TYPE_1D:
155 case IMAGE_TYPE_BUFFER:
156 case IMAGE_TYPE_1D_ARRAY:
157 return 1;
158
159 case IMAGE_TYPE_2D:
160 case IMAGE_TYPE_2D_ARRAY:
161 case IMAGE_TYPE_CUBE:
162 case IMAGE_TYPE_CUBE_ARRAY:
163 return 2;
164
165 case IMAGE_TYPE_3D:
166 return 3;
167
168 default:
169 DE_FATAL("Internal error");
170 return 0;
171 }
172 }
173
174 } // image
175 } // vkt
176