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authorDavid Walter Seikel2014-01-13 19:47:58 +1000
committerDavid Walter Seikel2014-01-13 19:47:58 +1000
commitf9158592e1478b2013afc7041d9ed041cf2d2f4a (patch)
treeb16e389d7988700e21b4c9741044cefa536dcbae /libraries/irrlicht-1.8/source/Irrlicht/CSoftwareTexture2.h
parentLibraries readme updated with change markers and more of the Irrlicht changes. (diff)
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Update Irrlicht to 1.8.1. Include actual change markers this time. lol
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1// Copyright (C) 2002-2012 Nikolaus Gebhardt / Thomas Alten
2// This file is part of the "Irrlicht Engine".
3// For conditions of distribution and use, see copyright notice in irrlicht.h
4
5#ifndef __C_SOFTWARE_2_TEXTURE_H_INCLUDED__
6#define __C_SOFTWARE_2_TEXTURE_H_INCLUDED__
7
8#include "SoftwareDriver2_compile_config.h"
9
10#include "ITexture.h"
11#include "CImage.h"
12
13namespace irr
14{
15namespace video
16{
17
18/*!
19 interface for a Video Driver dependent Texture.
20*/
21class CSoftwareTexture2 : public ITexture
22{
23public:
24
25 //! constructor
26 enum eTex2Flags
27 {
28 GEN_MIPMAP = 1,
29 IS_RENDERTARGET = 2,
30 NP2_SIZE = 4,
31 HAS_ALPHA = 8
32 };
33 CSoftwareTexture2(IImage* surface, const io::path& name, u32 flags, void* mipmapData=0);
34
35 //! destructor
36 virtual ~CSoftwareTexture2();
37
38 //! lock function
39 virtual void* lock(E_TEXTURE_LOCK_MODE mode=ETLM_READ_WRITE, u32 mipmapLevel=0)
40 {
41 if (Flags & GEN_MIPMAP)
42 MipMapLOD=mipmapLevel;
43 return MipMap[MipMapLOD]->lock();
44 }
45
46 //! unlock function
47 virtual void unlock()
48 {
49 MipMap[MipMapLOD]->unlock();
50 }
51
52 //! Returns original size of the texture.
53 virtual const core::dimension2d<u32>& getOriginalSize() const
54 {
55 //return MipMap[0]->getDimension();
56 return OrigSize;
57 }
58
59 //! Returns the size of the largest mipmap.
60 f32 getLODFactor( const f32 texArea ) const
61 {
62 return OrigImageDataSizeInPixels * texArea;
63 //return MipMap[0]->getImageDataSizeInPixels () * texArea;
64 }
65
66 //! Returns (=size) of the texture.
67 virtual const core::dimension2d<u32>& getSize() const
68 {
69 return MipMap[MipMapLOD]->getDimension();
70 }
71
72 //! returns unoptimized surface
73 virtual CImage* getImage() const
74 {
75 return MipMap[0];
76 }
77
78 //! returns texture surface
79 virtual CImage* getTexture() const
80 {
81 return MipMap[MipMapLOD];
82 }
83
84
85 //! returns driver type of texture (=the driver, who created the texture)
86 virtual E_DRIVER_TYPE getDriverType() const
87 {
88 return EDT_BURNINGSVIDEO;
89 }
90
91 //! returns color format of texture
92 virtual ECOLOR_FORMAT getColorFormat() const
93 {
94 return BURNINGSHADER_COLOR_FORMAT;
95 }
96
97 //! returns pitch of texture (in bytes)
98 virtual u32 getPitch() const
99 {
100 return MipMap[MipMapLOD]->getPitch();
101 }
102
103 //! Regenerates the mip map levels of the texture. Useful after locking and
104 //! modifying the texture
105 virtual void regenerateMipMapLevels(void* mipmapData=0);
106
107 //! support mipmaps
108 virtual bool hasMipMaps() const
109 {
110 return (Flags & GEN_MIPMAP ) != 0;
111 }
112
113 //! Returns if the texture has an alpha channel
114 virtual bool hasAlpha() const
115 {
116 return (Flags & HAS_ALPHA ) != 0;
117 }
118
119 //! is a render target
120 virtual bool isRenderTarget() const
121 {
122 return (Flags & IS_RENDERTARGET) != 0;
123 }
124
125private:
126 f32 OrigImageDataSizeInPixels;
127 core::dimension2d<u32> OrigSize;
128
129 CImage * MipMap[SOFTWARE_DRIVER_2_MIPMAPPING_MAX];
130
131 u32 MipMapLOD;
132 u32 Flags;
133 ECOLOR_FORMAT OriginalFormat;
134};
135
136
137} // end namespace video
138} // end namespace irr
139
140#endif
141