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1 #ifndef _VKTIMAGETEXTURE_HPP
2 #define _VKTIMAGETEXTURE_HPP
3 /*------------------------------------------------------------------------
4  * Vulkan Conformance Tests
5  * ------------------------
6  *
7  * Copyright (c) 2016 The Khronos Group Inc.
8  *
9  * Licensed under the Apache License, Version 2.0 (the "License");
10  * you may not use this file except in compliance with the License.
11  * You may obtain a copy of the License at
12  *
13  *      http://www.apache.org/licenses/LICENSE-2.0
14  *
15  * Unless required by applicable law or agreed to in writing, software
16  * distributed under the License is distributed on an "AS IS" BASIS,
17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18  * See the License for the specific language governing permissions and
19  * limitations under the License.
20  *
21  *//*!
22  * \file
23  * \brief Texture utility class
24  *//*--------------------------------------------------------------------*/
25 
26 #include "tcuDefs.hpp"
27 #include "vktImageTestsUtil.hpp"
28 
29 namespace vkt
30 {
31 namespace image
32 {
33 
34 //! Texture buffer/image abstraction. Helps managing size and number of layers.
35 class Texture
36 {
37 public:
38 						Texture			(const ImageType imageType, const tcu::IVec3& imageLayerSize, const int layers, const int samples = 1);
39 						Texture			(const Texture& other, const int samples);
40 
type(void) const41 	ImageType			type			(void) const { return m_type; }			//!< Texture type
layerSize(void) const42 	tcu::IVec3			layerSize		(void) const { return m_layerSize; }	//!< Size of a single layer
numLayers(void) const43 	int					numLayers		(void) const { return m_numLayers; }	//!< Number of array layers (for array and cube types)
numSamples(void) const44 	int					numSamples		(void) const { return m_numSamples; }	//!< Number of samples per texel (multisampled texture)
45 
46 	tcu::IVec3			size			(void) const;	//!< Size including number of layers in additional dimension (e.g. z in 2d texture)
47 	int					dimension		(void) const;	//!< Coordinate dimension used for addressing (e.g. 3 (x,y,z) for 2d array)
48 	int					layerDimension	(void) const;	//!< Coordinate dimension used for addressing a single layer (e.g. 2 (x,y) for 2d array)
49 
50 private:
51 	void				checkInvariants	(void) const;
52 
53 	const tcu::IVec3	m_layerSize;
54 	const ImageType		m_type;
55 	const int			m_numLayers;
56 	const int			m_numSamples;
57 };
58 
isCube(const Texture & texture)59 inline bool isCube (const Texture& texture)
60 {
61 	return texture.type() == IMAGE_TYPE_CUBE || texture.type() == IMAGE_TYPE_CUBE_ARRAY;
62 }
63 
64 } // image
65 } // vkt
66 
67 #endif // _VKTIMAGETEXTURE_HPP
68