1 // Copyright NVIDIA Corporation 2007 -- Ignacio Castano <icastano@nvidia.com>
2 //
3 // Permission is hereby granted, free of charge, to any person
4 // obtaining a copy of this software and associated documentation
5 // files (the "Software"), to deal in the Software without
6 // restriction, including without limitation the rights to use,
7 // copy, modify, merge, publish, distribute, sublicense, and/or sell
8 // copies of the Software, and to permit persons to whom the
9 // Software is furnished to do so, subject to the following
10 // conditions:
11 //
12 // The above copyright notice and this permission notice shall be
13 // included in all copies or substantial portions of the Software.
14 //
15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
17 // OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
19 // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
20 // WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 // OTHER DEALINGS IN THE SOFTWARE.
23 
24 #ifndef NV_TT_COMPRESSIONOPTIONS_H
25 #define NV_TT_COMPRESSIONOPTIONS_H
26 
27 #include <nvcore/StrLib.h>
28 #include <nvmath/Vector.h>
29 #include "nvtt.h"
30 
31 namespace nvtt
32 {
33 
34 	struct CompressionOptions::Private
35 	{
36 		Format format;
37 
38 		Quality quality;
39 
40 		nv::Vector4 colorWeight;
41 
42 		// Pixel format description.
43 		uint bitcount;
44 		uint rmask;
45 		uint gmask;
46 		uint bmask;
47 		uint amask;
48 
49 		nv::String externalCompressor;
50 
51 		// Quantization.
52 		bool enableColorDithering;
53 		bool enableAlphaDithering;
54 		bool binaryAlpha;
55 		int alphaThreshold;			// reference value used for binary alpha quantization.
56 	};
57 
58 } // nvtt namespace
59 
60 
61 #endif // NV_TT_COMPRESSIONOPTIONS_H
62