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-rw-r--r-- | linden/indra/llrender/lltextureatlas.h | 92 |
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diff --git a/linden/indra/llrender/lltextureatlas.h b/linden/indra/llrender/lltextureatlas.h deleted file mode 100644 index 4922175..0000000 --- a/linden/indra/llrender/lltextureatlas.h +++ /dev/null | |||
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1 | /** | ||
2 | * @file lltextureatlas.h | ||
3 | * @brief LLTextureAtlas base class. | ||
4 | * | ||
5 | * $LicenseInfo:firstyear=2002&license=viewergpl$ | ||
6 | * | ||
7 | * Copyright (c) 2002-2009, Linden Research, Inc. | ||
8 | * | ||
9 | * Second Life Viewer Source Code | ||
10 | * The source code in this file ("Source Code") is provided by Linden Lab | ||
11 | * to you under the terms of the GNU General Public License, version 2.0 | ||
12 | * ("GPL"), unless you have obtained a separate licensing agreement | ||
13 | * ("Other License"), formally executed by you and Linden Lab. Terms of | ||
14 | * the GPL can be found in doc/GPL-license.txt in this distribution, or | ||
15 | * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2 | ||
16 | * | ||
17 | * There are special exceptions to the terms and conditions of the GPL as | ||
18 | * it is applied to this Source Code. View the full text of the exception | ||
19 | * in the file doc/FLOSS-exception.txt in this software distribution, or | ||
20 | * online at | ||
21 | * http://secondlifegrid.net/programs/open_source/licensing/flossexception | ||
22 | * | ||
23 | * By copying, modifying or distributing this software, you acknowledge | ||
24 | * that you have read and understood your obligations described above, | ||
25 | * and agree to abide by those obligations. | ||
26 | * | ||
27 | * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO | ||
28 | * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, | ||
29 | * COMPLETENESS OR PERFORMANCE. | ||
30 | * $/LicenseInfo$ | ||
31 | */ | ||
32 | |||
33 | |||
34 | #ifndef LL_TEXTUREATLAS_H | ||
35 | #define LL_TEXTUREATLAS_H | ||
36 | |||
37 | #include "llimagegl.h" | ||
38 | class LLSpatialGroup ; | ||
39 | |||
40 | class LLTextureAtlas : public LLImageGL | ||
41 | { | ||
42 | public: | ||
43 | LLTextureAtlas(U8 ncomponents, S16 atlas_dim = 16) ; | ||
44 | ~LLTextureAtlas() ; | ||
45 | |||
46 | LLGLuint insertSubTexture(const LLImageRaw* raw_image, S16 slot_col, S16 slot_row) ; | ||
47 | void releaseSlot(S16 slot_col, S16 slot_row, S8 slot_width); | ||
48 | |||
49 | BOOL getNextAvailableSlot(S8 bits_len, S16& col, S16& row) ; | ||
50 | void getTexCoordOffset(S16 col, S16 row, F32& xoffset, F32& yOffset) ; | ||
51 | void getTexCoordScale(S32 w, S32 h, F32& xscale, F32& yscale) ; | ||
52 | |||
53 | BOOL isEmpty() const ; | ||
54 | BOOL isFull(S8 to_be_reserved = 1) const ; | ||
55 | F32 getFullness() const ; | ||
56 | |||
57 | void addSpatialGroup(LLSpatialGroup* groupp) ; | ||
58 | void removeSpatialGroup(LLSpatialGroup* groupp) ; | ||
59 | LLSpatialGroup* getLastSpatialGroup() ; | ||
60 | void removeLastSpatialGroup() ; | ||
61 | BOOL hasSpatialGroup(LLSpatialGroup* groupp) ; | ||
62 | void clearSpatialGroup() ; | ||
63 | std::list<LLSpatialGroup*>* getSpatialGroupList() {return &mSpatialGroupList;} | ||
64 | private: | ||
65 | void generateEmptyUsageBits() ; | ||
66 | void releaseUsageBits() ; | ||
67 | |||
68 | void markUsageBits(S8 bits_len, U8 mask, S16 col, S16 row) ; | ||
69 | void unmarkUsageBits(S8 bits_len, S16 col, S16 row) ; | ||
70 | |||
71 | void getPositionFromIndex(S16 index, S16& col, S16& row) ; | ||
72 | void getIndexFromPosition(S16 col, S16 row, S16& index) ; | ||
73 | BOOL areUsageBitsMarked(S8 bits_len, U8 mask, S16 col, S16 row) ; | ||
74 | |||
75 | private: | ||
76 | S16 mAtlasDim ; //number of slots per edge, i.e, there are "mAtlasDim * mAtlasDim" total slots in the atlas. | ||
77 | S16 mNumSlotsReserved ; | ||
78 | S16 mMaxSlotsInAtlas ; | ||
79 | U8 **mUsageBits ; | ||
80 | std::list<LLSpatialGroup*> mSpatialGroupList ; | ||
81 | |||
82 | public: | ||
83 | //debug use only | ||
84 | U8 **mTestBits ; | ||
85 | |||
86 | public: | ||
87 | static S16 sMaxSubTextureSize ; | ||
88 | static S16 sSlotSize ; | ||
89 | }; | ||
90 | |||
91 | #endif | ||
92 | |||