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/**
* @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
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