summaryrefslogtreecommitdiff
path: root/indra/newview/lltexlayer.h
blob: 2ee609fe600cf6bc5e6662ba217a9d829be3c455 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
/** 
 * @file lltexlayer.h
 * @brief Texture layer classes. Used for avatars.
 *
 * $LicenseInfo:firstyear=2002&license=viewergpl$
 * 
 * Copyright (c) 2002-2009, Linden Research, Inc.
 * 
 * Second Life Viewer Source Code
 * The source code in this file ("Source Code") is provided by Linden Lab
 * to you under the terms of the GNU General Public License, version 2.0
 * ("GPL"), unless you have obtained a separate licensing agreement
 * ("Other License"), formally executed by you and Linden Lab.  Terms of
 * the GPL can be found in doc/GPL-license.txt in this distribution, or
 * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
 * 
 * There are special exceptions to the terms and conditions of the GPL as
 * it is applied to this Source Code. View the full text of the exception
 * in the file doc/FLOSS-exception.txt in this software distribution, or
 * online at
 * http://secondlifegrid.net/programs/open_source/licensing/flossexception
 * 
 * By copying, modifying or distributing this software, you acknowledge
 * that you have read and understood your obligations described above,
 * and agree to abide by those obligations.
 * 
 * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
 * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
 * COMPLETENESS OR PERFORMANCE.
 * $/LicenseInfo$
 */

#ifndef LL_LLTEXLAYER_H
#define LL_LLTEXLAYER_H

#include <deque>
#include "lldynamictexture.h"
#include "llvoavatardefines.h"
#include "lltexlayerparams.h"

class LLVOAvatar;
class LLVOAvatarSelf;
class LLImageTGA;
class LLImageRaw;
class LLXmlTreeNode;
class LLTexLayerSet;
class LLTexLayerSetInfo;
class LLTexLayerInfo;
class LLTexLayerSetBuffer;
class LLWearable;
class LLViewerVisualParam;

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// LLTexLayerInterface
//
// Interface class to generalize functionality shared by LLTexLayer 
// and LLTexLayerTemplate.
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
class LLTexLayerInterface 
{
public:
	enum ERenderPass
	{
		RP_COLOR,
		RP_BUMP,
		RP_SHINE
	};

	LLTexLayerInterface(LLTexLayerSet* const layer_set);
	LLTexLayerInterface(const LLTexLayerInterface &layer, LLWearable *wearable);
	virtual ~LLTexLayerInterface() {}

	virtual BOOL			render(S32 x, S32 y, S32 width, S32 height) = 0;
	virtual void			deleteCaches() = 0;
	virtual BOOL			blendAlphaTexture(S32 x, S32 y, S32 width, S32 height) = 0;
	virtual BOOL			isInvisibleAlphaMask() const = 0;

	const LLTexLayerInfo* 	getInfo() const 			{ return mInfo; }
	virtual BOOL			setInfo(const LLTexLayerInfo *info, LLWearable* wearable); // sets mInfo, calls initialization functions

	const std::string&		getName() const;
	const LLTexLayerSet* const getTexLayerSet() const 	{ return mTexLayerSet; }
	LLTexLayerSet* const 	getTexLayerSet() 			{ return mTexLayerSet; }

	void					invalidateMorphMasks();
	virtual void			setHasMorph(BOOL newval) 	{ mHasMorph = newval; }
	BOOL					hasMorph() const			{ return mHasMorph; }
	BOOL					isMorphValid() const		{ return mMorphMasksValid; }

	void					requestUpdate();
	virtual void			gatherAlphaMasks(U8 *data, S32 originX, S32 originY, S32 width, S32 height) = 0;
	BOOL					hasAlphaParams() const 		{ return !mParamAlphaList.empty(); }

	ERenderPass				getRenderPass() const;
	BOOL					isVisibilityMask() const;

protected:
	const std::string&		getGlobalColor() const;
	LLViewerVisualParam*	getVisualParamPtr(S32 index) const;

protected:
	LLTexLayerSet* const	mTexLayerSet;
	const LLTexLayerInfo*	mInfo;
	BOOL					mMorphMasksValid;
	BOOL					mHasMorph;

	// Layers can have either mParamColorList, mGlobalColor, or mFixedColor.  They are looked for in that order.
	param_color_list_t		mParamColorList;
	param_alpha_list_t		mParamAlphaList;
	// 						mGlobalColor name stored in mInfo
	// 						mFixedColor value stored in mInfo
};

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// LLTexLayerTemplate
//
// Only exists for llvoavatarself.
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
class LLTexLayerTemplate : public LLTexLayerInterface
{
public:
	LLTexLayerTemplate(LLTexLayerSet* const layer_set);
	LLTexLayerTemplate(const LLTexLayerTemplate &layer);
	/*virtual*/ ~LLTexLayerTemplate();
	/*virtual*/ BOOL		render(S32 x, S32 y, S32 width, S32 height);
	/*virtual*/ BOOL		setInfo(const LLTexLayerInfo *info, LLWearable* wearable); // This sets mInfo and calls initialization functions
	/*virtual*/ BOOL		blendAlphaTexture(S32 x, S32 y, S32 width, S32 height); // Multiplies a single alpha texture against the frame buffer
	/*virtual*/ void		gatherAlphaMasks(U8 *data, S32 originX, S32 originY, S32 width, S32 height);
	/*virtual*/ void		setHasMorph(BOOL newval);
	/*virtual*/ void		deleteCaches();
	/*virtual*/ BOOL		isInvisibleAlphaMask() const;
protected:
	U32 					updateWearableCache() const;
	LLTexLayer* 			getLayer(U32 i) const;
private:
	typedef std::vector<LLWearable*> wearable_cache_t;
	mutable wearable_cache_t mWearableCache; // mutable b/c most get- require updating this cache
};

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// LLTexLayer
//
// A single texture layer.  Only exists for llvoavatarself.
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
class LLTexLayer : public LLTexLayerInterface
{
public:
	LLTexLayer(LLTexLayerSet* const layer_set);
	LLTexLayer(const LLTexLayer &layer, LLWearable *wearable);
	LLTexLayer(const LLTexLayerTemplate &layer_template, LLLocalTextureObject *lto, LLWearable *wearable);
	/*virtual*/ ~LLTexLayer();

	/*virtual*/ BOOL		setInfo(const LLTexLayerInfo *info, LLWearable* wearable); // This sets mInfo and calls initialization functions
	/*virtual*/ BOOL		render(S32 x, S32 y, S32 width, S32 height);

	/*virtual*/ void		deleteCaches();
	const U8*				getAlphaData() const;

	BOOL					findNetColor(LLColor4* color) const;
	/*virtual*/ BOOL		blendAlphaTexture(S32 x, S32 y, S32 width, S32 height); // Multiplies a single alpha texture against the frame buffer
	/*virtual*/ void		gatherAlphaMasks(U8 *data, S32 originX, S32 originY, S32 width, S32 height);
	BOOL					renderMorphMasks(S32 x, S32 y, S32 width, S32 height, const LLColor4 &layer_color);
	void					addAlphaMask(U8 *data, S32 originX, S32 originY, S32 width, S32 height);
	/*virtual*/ BOOL		isInvisibleAlphaMask() const;

	void					setLTO(LLLocalTextureObject *lto) 	{ mLocalTextureObject = lto; }
	LLLocalTextureObject* 	getLTO() 							{ return mLocalTextureObject; }

	static void 			calculateTexLayerColor(const param_color_list_t &param_list, LLColor4 &net_color);
protected:
	LLUUID					getUUID() const;
private:
	typedef std::map<U32, U8*> alpha_cache_t;
	alpha_cache_t			mAlphaCache;
	LLLocalTextureObject* 	mLocalTextureObject;
};

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// LLTexLayerSet
//
// An ordered set of texture layers that gets composited into a single texture.
// Only exists for llvoavatarself.
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
class LLTexLayerSet
{
	friend class LLTexLayerSetBuffer;
public:
	LLTexLayerSet(LLVOAvatarSelf* const avatar);
	~LLTexLayerSet();

	const LLTexLayerSetInfo* 	getInfo() const 			{ return mInfo; }
	BOOL						setInfo(const LLTexLayerSetInfo *info); // This sets mInfo and calls initialization functions

	BOOL						render(S32 x, S32 y, S32 width, S32 height);
	void						renderAlphaMaskTextures(S32 x, S32 y, S32 width, S32 height, bool forceClear = false);

	BOOL						isBodyRegion(const std::string& region) const;
	LLTexLayerSetBuffer*		getComposite();
	const LLTexLayerSetBuffer* 	getComposite() const; // Do not create one if it doesn't exist.
	void						requestUpdate();
	void						requestUpload();
	void						cancelUpload();
	void						updateComposite();
	BOOL						isLocalTextureDataAvailable() const;
	BOOL						isLocalTextureDataFinal() const;
	void						createComposite();
	void						destroyComposite();
	void						setUpdatesEnabled(BOOL b);
	BOOL						getUpdatesEnabled()	const 	{ return mUpdatesEnabled; }
	void						deleteCaches();
	void						gatherMorphMaskAlpha(U8 *data, S32 width, S32 height);
	void						applyMorphMask(U8* tex_data, S32 width, S32 height, S32 num_components);
	BOOL						isMorphValid() const;
	void						invalidateMorphMasks();
	LLTexLayerInterface*		findLayerByName(const std::string& name);
	void						cloneTemplates(LLLocalTextureObject *lto, LLVOAvatarDefines::ETextureIndex tex_index, LLWearable* wearable);
	
	LLVOAvatarSelf*		    	getAvatar()	const 			{ return mAvatar; }
	const std::string			getBodyRegionName() const;
	BOOL						hasComposite() const 		{ return (mComposite.notNull()); }
	LLVOAvatarDefines::EBakedTextureIndex getBakedTexIndex() { return mBakedTexIndex; }
	void						setBakedTexIndex(LLVOAvatarDefines::EBakedTextureIndex index) { mBakedTexIndex = index; }
	BOOL						isVisible() const 			{ return mIsVisible; }

	static BOOL					sHasCaches;

private:
	typedef std::vector<LLTexLayerInterface *> layer_list_t;
	layer_list_t				mLayerList;
	layer_list_t				mMaskLayerList;
	LLPointer<LLTexLayerSetBuffer>	mComposite;
	LLVOAvatarSelf*	const		mAvatar; // note: backlink only; don't make this an LLPointer.
	BOOL						mUpdatesEnabled;
	BOOL						mIsVisible;

	LLVOAvatarDefines::EBakedTextureIndex mBakedTexIndex;
	const LLTexLayerSetInfo* 	mInfo;
};

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// LLTexLayerSetInfo
//
// Contains shared layer set data.
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
class LLTexLayerSetInfo
{
	friend class LLTexLayerSet;
public:
	LLTexLayerSetInfo();
	~LLTexLayerSetInfo();
	BOOL parseXml(LLXmlTreeNode* node);
	void createVisualParams(LLVOAvatar *avatar);
private:
	std::string				mBodyRegion;
	S32						mWidth;
	S32						mHeight;
	std::string				mStaticAlphaFileName;
	BOOL					mClearAlpha; // Set alpha to 1 for this layerset (if there is no mStaticAlphaFileName)
	typedef std::vector<LLTexLayerInfo*> layer_info_list_t;
	layer_info_list_t		mLayerInfoList;
};

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// LLTexLayerSetBuffer
//
// The composite image that a LLTexLayerSet writes to.  Each LLTexLayerSet has one.
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
class LLTexLayerSetBuffer : public LLViewerDynamicTexture
{
public:
	LLTexLayerSetBuffer(LLTexLayerSet* const owner, S32 width, S32 height);
	virtual ~LLTexLayerSetBuffer();
	/*virtual*/ S8          getType() const;
	virtual void			preRender(BOOL clear_depth);
	virtual void			postRender(BOOL success);
	virtual BOOL			render();
	BOOL					updateImmediate();
	bool					isInitialized(void) const;
	/*virtual*/ BOOL		needsRender();
	void					requestUpdate();
	void					requestUpload();
	void					cancelUpload();
	BOOL					uploadPending() const { return mUploadPending; }
	BOOL					render(S32 x, S32 y, S32 width, S32 height);
	void					readBackAndUpload();
	static void				onTextureUploadComplete(const LLUUID& uuid,
													void* userdata,
													S32 result, LLExtStat ext_status);
	static void				dumpTotalByteCount();
	const std::string		dumpTextureInfo() const;
	virtual void 			restoreGLTexture();
	virtual void 			destroyGLTexture();
protected:
	void					pushProjection() const;
	void					popProjection() const;
	BOOL					isReadyToUpload() const;
private:
	LLTexLayerSet* const    mTexLayerSet;
	BOOL					mNeedsUpdate; // whether we need to update our baked textures
	BOOL					mNeedsUpload; // whether we need to send our baked textures to the server
	U32						mNumLowresUploads; // mumber of times we've sent a lowres version of our baked textures to the server
	BOOL					mUploadPending; // whether we have received back the new baked textures
	LLUUID					mUploadID; // the current upload process (null if none).  Used to avoid overlaps, e.g. when the user rapidly makes two changes outside of Face Edit.
	static S32				sGLByteCount;
	LLFrameTimer    		mNeedsUploadTimer; // Tracks time since upload was requested
};

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// LLTexLayerStaticImageList
//
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
class LLTexLayerStaticImageList : public LLSingleton<LLTexLayerStaticImageList>
{
public:
	LLTexLayerStaticImageList();
	~LLTexLayerStaticImageList();
	LLViewerTexture*	getTexture(const std::string& file_name, BOOL is_mask);
	LLImageTGA*			getImageTGA(const std::string& file_name);
	void				deleteCachedImages();
	void				dumpByteCount() const;
protected:
	BOOL				loadImageRaw(const std::string& file_name, LLImageRaw* image_raw);
private:
	LLStringTable 		mImageNames;
	typedef std::map<const char*, LLPointer<LLViewerTexture> > texture_map_t;
	texture_map_t 		mStaticImageList;
	typedef std::map<const char*, LLPointer<LLImageTGA> > image_tga_map_t;
	image_tga_map_t 	mStaticImageListTGA;
	S32 				mGLBytes;
	S32 				mTGABytes;
};

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// LLBakedUploadData
//
// Used by LLTexLayerSetBuffer for a callback.
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
struct LLBakedUploadData
{
	LLBakedUploadData(const LLVOAvatarSelf* avatar, 
					  LLTexLayerSet* layerset, 
					  const LLUUID& id);
	~LLBakedUploadData() {}
	const LLUUID				mID;
	const LLVOAvatarSelf*		mAvatar; // note: backlink only; don't LLPointer 
	LLTexLayerSet*				mTexLayerSet;
   	const U64					mStartTime;	// for measuring baked texture upload time
};

#endif  // LL_LLTEXLAYER_H