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 #include "IrrCompileConfig.h"
6 #ifdef _IRR_COMPILE_WITH_BURNINGSVIDEO_
7
8 #include "SoftwareDriver2_compile_config.h"
9 #include "SoftwareDriver2_helper.h"
10 #include "CSoftwareTexture2.h"
11 #include "os.h"
12
13 namespace irr
14 {
15 namespace video
16 {
17
18 //! constructor
CSoftwareTexture2(IImage * image,const io::path & name,u32 flags,void * mipmapData)19 CSoftwareTexture2::CSoftwareTexture2(IImage* image, const io::path& name,
20 u32 flags, void* mipmapData)
21 : ITexture(name), MipMapLOD(0), Flags ( flags ), OriginalFormat(video::ECF_UNKNOWN)
22 {
23 #ifdef _DEBUG
24 setDebugName("CSoftwareTexture2");
25 #endif
26
27 #ifndef SOFTWARE_DRIVER_2_MIPMAPPING
28 Flags &= ~GEN_MIPMAP;
29 #endif
30
31 memset32 ( MipMap, 0, sizeof ( MipMap ) );
32
33 if (image)
34 {
35 OrigSize = image->getDimension();
36 OriginalFormat = image->getColorFormat();
37
38 core::setbit_cond(Flags,
39 image->getColorFormat () == video::ECF_A8R8G8B8 ||
40 image->getColorFormat () == video::ECF_A1R5G5B5,
41 HAS_ALPHA);
42
43 core::dimension2d<u32> optSize(
44 OrigSize.getOptimalSize( 0 != ( Flags & NP2_SIZE ),
45 false, false,
46 ( Flags & NP2_SIZE ) ? SOFTWARE_DRIVER_2_TEXTURE_MAXSIZE : 0)
47 );
48
49 if ( OrigSize == optSize )
50 {
51 MipMap[0] = new CImage(BURNINGSHADER_COLOR_FORMAT, image->getDimension());
52 image->copyTo(MipMap[0]);
53 }
54 else
55 {
56 char buf[256];
57 core::stringw showName ( name );
58 snprintf ( buf, 256, "Burningvideo: Warning Texture %ls reformat %dx%d -> %dx%d,%d",
59 showName.c_str(),
60 OrigSize.Width, OrigSize.Height, optSize.Width, optSize.Height,
61 BURNINGSHADER_COLOR_FORMAT
62 );
63
64 OrigSize = optSize;
65 os::Printer::log ( buf, ELL_WARNING );
66 MipMap[0] = new CImage(BURNINGSHADER_COLOR_FORMAT, optSize);
67 image->copyToScalingBoxFilter ( MipMap[0],0, false );
68 }
69
70 OrigImageDataSizeInPixels = (f32) 0.3f * MipMap[0]->getImageDataSizeInPixels();
71 }
72
73 regenerateMipMapLevels(mipmapData);
74 }
75
76
77 //! destructor
~CSoftwareTexture2()78 CSoftwareTexture2::~CSoftwareTexture2()
79 {
80 for ( s32 i = 0; i!= SOFTWARE_DRIVER_2_MIPMAPPING_MAX; ++i )
81 {
82 if ( MipMap[i] )
83 MipMap[i]->drop();
84 }
85 }
86
87
88 //! Regenerates the mip map levels of the texture. Useful after locking and
89 //! modifying the texture
regenerateMipMapLevels(void * mipmapData)90 void CSoftwareTexture2::regenerateMipMapLevels(void* mipmapData)
91 {
92 if ( !hasMipMaps () )
93 return;
94
95 s32 i;
96
97 // release
98 for ( i = 1; i < SOFTWARE_DRIVER_2_MIPMAPPING_MAX; ++i )
99 {
100 if ( MipMap[i] )
101 MipMap[i]->drop();
102 }
103
104 core::dimension2d<u32> newSize;
105 core::dimension2d<u32> origSize=OrigSize;
106
107 for (i=1; i < SOFTWARE_DRIVER_2_MIPMAPPING_MAX; ++i)
108 {
109 newSize = MipMap[i-1]->getDimension();
110 newSize.Width = core::s32_max ( 1, newSize.Width >> SOFTWARE_DRIVER_2_MIPMAPPING_SCALE );
111 newSize.Height = core::s32_max ( 1, newSize.Height >> SOFTWARE_DRIVER_2_MIPMAPPING_SCALE );
112 origSize.Width = core::s32_max(1, origSize.Width >> 1);
113 origSize.Height = core::s32_max(1, origSize.Height >> 1);
114
115 if (mipmapData)
116 {
117 if (OriginalFormat != BURNINGSHADER_COLOR_FORMAT)
118 {
119 IImage* tmpImage = new CImage(OriginalFormat, origSize, mipmapData, true, false);
120 MipMap[i] = new CImage(BURNINGSHADER_COLOR_FORMAT, newSize);
121 if (origSize==newSize)
122 tmpImage->copyTo(MipMap[i]);
123 else
124 tmpImage->copyToScalingBoxFilter(MipMap[i]);
125 tmpImage->drop();
126 }
127 else
128 {
129 if (origSize==newSize)
130 MipMap[i] = new CImage(BURNINGSHADER_COLOR_FORMAT, newSize, mipmapData, false);
131 else
132 {
133 MipMap[i] = new CImage(BURNINGSHADER_COLOR_FORMAT, newSize);
134 IImage* tmpImage = new CImage(BURNINGSHADER_COLOR_FORMAT, origSize, mipmapData, true, false);
135 tmpImage->copyToScalingBoxFilter(MipMap[i]);
136 tmpImage->drop();
137 }
138 }
139 mipmapData = (u8*)mipmapData+origSize.getArea()*IImage::getBitsPerPixelFromFormat(OriginalFormat)/8;
140 }
141 else
142 {
143 MipMap[i] = new CImage(BURNINGSHADER_COLOR_FORMAT, newSize);
144
145 //static u32 color[] = { 0, 0xFFFF0000, 0xFF00FF00,0xFF0000FF,0xFFFFFF00,0xFFFF00FF,0xFF00FFFF,0xFF0F0F0F };
146 MipMap[i]->fill ( 0 );
147 MipMap[0]->copyToScalingBoxFilter( MipMap[i], 0, false );
148 }
149 }
150 }
151
152
153 } // end namespace video
154 } // end namespace irr
155
156 #endif // _IRR_COMPILE_WITH_BURNINGSVIDEO_
157