summaryrefslogtreecommitdiff
path: root/indra/newview/llviewertexlayer.h
blob: d1c01bf1ad8123ec0dde4952bc143becb6c6a9c1 (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
/** 
 * @file llviewertexlayer.h
 * @brief Viewer Texture layer classes. Used for avatars.
 *
 * $LicenseInfo:firstyear=2012&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2010, Linden Research, Inc.
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation;
 * version 2.1 of the License only.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 * 
 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
 * $/LicenseInfo$
 */

#ifndef LL_VIEWER_TEXLAYER_H
#define LL_VIEWER_TEXLAYER_H

#include "lldynamictexture.h"
#include "llextendedstatus.h"
#include "lltexlayer.h"

class LLVOAvatarSelf;
class LLViewerTexLayerSetBuffer;

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// LLViewerTexLayerSet
//
// An ordered set of texture layers that gets composited into a single texture.
// Only exists for llavatarappearanceself.
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
class LLViewerTexLayerSet : public LLTexLayerSet
{
public:
	LLViewerTexLayerSet(LLAvatarAppearance* const appearance);
	virtual ~LLViewerTexLayerSet();

	/*virtual*/void				requestUpdate();
	BOOL						isLocalTextureDataAvailable() const;
	BOOL						isLocalTextureDataFinal() const;
	void						updateComposite();
	/*virtual*/void				createComposite();
	void						setUpdatesEnabled(BOOL b);
	BOOL						getUpdatesEnabled()	const 	{ return mUpdatesEnabled; }

	LLVOAvatarSelf*				getAvatar();
	const LLVOAvatarSelf*		getAvatar()	const;
	LLViewerTexLayerSetBuffer*	getViewerComposite();
	const LLViewerTexLayerSetBuffer*	getViewerComposite() const;

private:
	BOOL						mUpdatesEnabled;

};

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// LLViewerTexLayerSetBuffer
//
// The composite image that a LLViewerTexLayerSet writes to.  Each LLViewerTexLayerSet has one.
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
class LLViewerTexLayerSetBuffer : public LLTexLayerSetBuffer, public LLViewerDynamicTexture
{
	LOG_CLASS(LLViewerTexLayerSetBuffer);

public:
	LLViewerTexLayerSetBuffer(LLTexLayerSet* const owner, S32 width, S32 height);
	virtual ~LLViewerTexLayerSetBuffer();

public:
	/*virtual*/ S8          getType() const;
	BOOL					isInitialized(void) const;
	static void				dumpTotalByteCount();
	const std::string		dumpTextureInfo() const;
	virtual void 			restoreGLTexture();
	virtual void 			destroyGLTexture();
private:
	LLViewerTexLayerSet*	getViewerTexLayerSet() 
		{ return dynamic_cast<LLViewerTexLayerSet*> (mTexLayerSet); }
	const LLViewerTexLayerSet*	getViewerTexLayerSet() const
		{ return dynamic_cast<const LLViewerTexLayerSet*> (mTexLayerSet); }
	static S32				sGLByteCount;

	//--------------------------------------------------------------------
	// Tex Layer Render
	//--------------------------------------------------------------------
	virtual void			preRenderTexLayerSet();
	virtual void			midRenderTexLayerSet(bool success);
	virtual void			postRenderTexLayerSet(bool success);
	virtual S32				getCompositeOriginX() const { return getOriginX(); }
	virtual S32				getCompositeOriginY() const { return getOriginY(); }
	virtual S32				getCompositeWidth() const { return getFullWidth(); }
	virtual S32				getCompositeHeight() const { return getFullHeight(); }

	//--------------------------------------------------------------------
	// Dynamic Texture Interface
	//--------------------------------------------------------------------
public:
	/*virtual*/ BOOL		needsRender();
protected:
	// Pass these along for tex layer rendering.
	virtual void			preRender(BOOL clear_depth) { preRenderTexLayerSet(); }
	virtual void			postRender(BOOL success) { postRenderTexLayerSet(success); }
	virtual BOOL			render() { return renderTexLayerSet(mBoundTarget); }
	
	//--------------------------------------------------------------------
	// Updates
	//--------------------------------------------------------------------
public:
	void					requestUpdate();
	BOOL					requestUpdateImmediate();
protected:
	BOOL					isReadyToUpdate() const;
	void					doUpdate();
	void					restartUpdateTimer();
private:
	BOOL					mNeedsUpdate; 					// Whether we need to locally update our baked textures
	U32						mNumLowresUpdates; 				// Number of times we've locally updated with lowres version of our baked textures
	LLFrameTimer    		mNeedsUpdateTimer; 				// Tracks time since update was requested and performed.
};

#endif  // LL_VIEWER_TEXLAYER_H