summaryrefslogtreecommitdiff
path: root/indra/newview/lltexlayer.h
blob: e4a6e82ba5b03fffc80485c48f66b1a8df2467b7 (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
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
/** 
 * @file lltexlayer.h
 * @brief A texture layer. 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 "llwearable.h"
#include "llvoavatardefines.h"

class LLVOAvatar;
class LLVOAvatarSelf;
class LLImageTGA;
class LLImageRaw;
class LLXmlTreeNode;
class LLPolyMorphTarget;
class LLTexLayerSet;
class LLTexLayerSetInfo;
class LLTexLayerInfo;
class LLTexLayerSetBuffer;
class LLTexLayerParamColor;
class LLTexLayerParamColorInfo;
class LLTexLayerParamAlpha;
class LLTexLayerParamAlphaInfo;
class LLWearable;
class LLViewerVisualParam;

typedef std::vector<LLTexLayerParamColor *> param_color_list_t;
typedef std::vector<LLTexLayerParamAlpha *> param_alpha_list_t;
typedef std::vector<LLTexLayerParamColorInfo *> param_color_info_list_t;
typedef std::vector<LLTexLayerParamAlphaInfo *> param_alpha_info_list_t;


//-----------------------------------------------------------------------------
// 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() {}

	const LLTexLayerInfo* 	getInfo() const { return mInfo; }
	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, BOOL render_morph) = 0;
	void					requestUpdate();
	LLTexLayerSet*			const getTexLayerSet() const { return mTexLayerSet; }

	virtual void			deleteCaches() = 0;
	void					invalidateMorphMasks();
	virtual void			setHasMorph(BOOL newval) { mHasMorph = newval; }
	BOOL					isMorphValid()			 { return mMorphMasksValid; }

	const std::string&		getName() const;
	ERenderPass				getRenderPass() const;
	const std::string&		getGlobalColor() const;

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

	LLTexLayerSet*			getLayerSet() {return mTexLayerSet;}

	LLViewerVisualParam*	getVisualParamPtr(S32 index);


protected:
	LLTexLayerSet*			const mTexLayerSet;

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

	BOOL					mMorphMasksValid;
	BOOL					mStaticImageInvalid;

	BOOL					mHasMorph;

	const LLTexLayerInfo			*mInfo;

};

//-----------------------------------------------------------------------------
// LLTexLayerTemplate
// Template class 
// 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, BOOL render_morph);
	/*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, BOOL render_morph);
	/*virtual*/ void		setHasMorph(BOOL newval);
	/*virtual*/ void		deleteCaches();
private:
	U32 	updateWearableCache();
	LLTexLayer* getLayer(U32 i);
	typedef std::vector<LLWearable*> wearable_cache_t;
	wearable_cache_t mWearableCache;

};

//-----------------------------------------------------------------------------
// 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, BOOL render_morph);

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

	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 render_morph);
	BOOL					renderMorphMasks(S32 x, S32 y, S32 width, S32 height, const LLColor4 &layer_color, BOOL render_morph);
	void					addAlphaMask(U8 *data, S32 originX, S32 originY, S32 width, S32 height, BOOL render_morph);

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

	static void calculateTexLayerColor(const param_color_list_t &param_list, LLColor4 &net_color);

private:
	LLUUID					getUUID();

	typedef std::map<U32, U8*> alpha_cache_t;
	alpha_cache_t			mAlphaCache;
	LLLocalTextureObject 	*mLocalTextureObject;
};

// Make private
class LLTexLayerInfo
{
	friend class LLTexLayer;
	friend class LLTexLayerTemplate;
	friend class LLTexLayerInterface;
public:
	LLTexLayerInfo();
	~LLTexLayerInfo();

	BOOL parseXml(LLXmlTreeNode* node);
	BOOL createVisualParams(LLVOAvatar *avatar);
	BOOL isUserSettable() { return mLocalTexture != -1;	}
	S32  getLocalTexture() const { return mLocalTexture; }
	BOOL getOnlyAlpha() const { return mUseLocalTextureAlphaOnly; }
	std::string getName() const { return mName;	}

private:
	std::string				mName;
	
	BOOL					mWriteAllChannels; // Don't use masking.  Just write RGBA into buffer,
	LLTexLayer::ERenderPass				mRenderPass;

	std::string				mGlobalColor;
	LLColor4				mFixedColor;

	S32						mLocalTexture;
	std::string				mStaticImageFileName;
	BOOL					mStaticImageIsMask;
	BOOL					mUseLocalTextureAlphaOnly; // Ignore RGB channels from the input texture.  Use alpha as a mask
	BOOL					mIsVisibilityMask;

	typedef std::vector< std::pair< std::string,BOOL > > morph_name_list_t;
	morph_name_list_t		    mMorphNameList;
	param_color_info_list_t		mParamColorInfoList;
	param_alpha_info_list_t		mParamAlphaInfoList;
};

//
// LLTexLayer
//-----------------------------------------------------------------------------

//-----------------------------------------------------------------------------
// LLTexLayerSet
// An ordered set of texture layers that get 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();
	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);
	LLTexLayerInterface*	findLayerByName(const std::string& name);
	void					cloneTemplates(LLLocalTextureObject *lto, LLVOAvatarDefines::ETextureIndex tex_index, LLWearable* wearable);
	
	LLVOAvatarSelf*		    getAvatar()	const { return mAvatar; }
	const std::string		getBodyRegion() const;
	BOOL					hasComposite() const { return (mComposite.notNull()); }
	LLVOAvatarDefines::EBakedTextureIndex getBakedTexIndex() { return mBakedTexIndex; }
	void					setBakedTexIndex( LLVOAvatarDefines::EBakedTextureIndex index) { mBakedTexIndex = index; }

public:
	static BOOL		sHasCaches;

	typedef std::vector<LLTexLayerInterface *> layer_list_t;

private:
	layer_list_t			mLayerList;
	layer_list_t			mMaskLayerList;
	LLPointer<LLTexLayerSetBuffer>	mComposite;
	LLVOAvatarSelf*	const	mAvatar; // Backlink only; don't make this an LLPointer.
	BOOL					mUpdatesEnabled;

	LLVOAvatarDefines::EBakedTextureIndex mBakedTexIndex;

	const LLTexLayerSetInfo 		*mInfo;
};

// 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;
};

// 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 void			preRender(BOOL clear_depth);
	virtual void			postRender(BOOL success);
	virtual BOOL			render();
	BOOL					updateImmediate();
	bool					isInitialized(void) const;
	BOOL					needsRender();
	void					requestUpdate();
	void					requestUpload();
	void					cancelUpload();
	BOOL					uploadPending() { 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();

	virtual void restoreGLTexture();
	virtual void destroyGLTexture();

private:
	void					pushProjection() const;
	void					popProjection() const;

private:
	LLTexLayerSet* const    mTexLayerSet;

	BOOL					mNeedsUpdate;
	BOOL					mNeedsUpload;
	BOOL					mUploadPending;
	LLUUID					mUploadID; // Identifys the current upload process (null if none).  Used to avoid overlaps (eg, when the user rapidly makes two changes outside of Face Edit)

	static S32				sGLByteCount;
};

//
// LLTexLayerSet
//-----------------------------------------------------------------------------

//-----------------------------------------------------------------------------
// 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();

private:
	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;
};

// Used by LLTexLayerSetBuffer for a callback.
// Note to anyone merging branches - this supercedes the previous fix
// for DEV-31590 "Heap corruption and crash after outfit changes",
// here and in lltexlayer.cpp. Equally correct and a bit simpler.
class LLBakedUploadData
{
public:
	LLBakedUploadData(const LLVOAvatarSelf* avatar, LLTexLayerSet* layerset, const LLUUID& id);
	~LLBakedUploadData() {}

	const LLUUID				mID;
	const LLVOAvatarSelf*		mAvatar;	 // just backlink, don't LLPointer 
	LLTexLayerSet*				mTexLayerSet;
   	const U64					mStartTime;		// Used to measure time baked texture upload requires
};


#endif  // LL_LLTEXLAYER_H