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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 "lltexlayer.h"
class LLVOAvatarSelf;
class LLTexLayerSetBuffer;
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// LLViewerTexLayerSet
//
// An ordered set of texture layers that gets composited into a single texture.
// Only exists for llavatarappearanceself.
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
class LLViewerTexLayerSet : public LLTexLayerSet
{
friend class LLTexLayerSetBuffer;
public:
LLViewerTexLayerSet(LLAvatarAppearance* const appearance);
virtual ~LLViewerTexLayerSet();
LLTexLayerSetBuffer* getComposite();
const LLTexLayerSetBuffer* getComposite() const; // Do not create one if it doesn't exist.
virtual 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 gatherMorphMaskAlpha(U8 *data, S32 width, S32 height);
LLVOAvatarSelf* getAvatar() const;
BOOL hasComposite() const { return (mComposite.notNull()); }
private:
LLPointer<LLTexLayerSetBuffer> mComposite;
BOOL mUpdatesEnabled;
};
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// LLTexLayerSetBuffer
//
// The composite image that a LLViewerTexLayerSet writes to. Each LLTexLayerSet has one.
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
class LLTexLayerSetBuffer : public LLViewerDynamicTexture
{
LOG_CLASS(LLTexLayerSetBuffer);
public:
LLTexLayerSetBuffer(LLViewerTexLayerSet* const owner, S32 width, S32 height);
virtual ~LLTexLayerSetBuffer();
public:
/*virtual*/ S8 getType() const;
BOOL isInitialized(void) const;
static void dumpTotalByteCount();
const std::string dumpTextureInfo() const;
virtual void restoreGLTexture();
virtual void destroyGLTexture();
protected:
void pushProjection() const;
void popProjection() const;
private:
LLViewerTexLayerSet* const mTexLayerSet;
static S32 sGLByteCount;
//--------------------------------------------------------------------
// Render
//--------------------------------------------------------------------
public:
/*virtual*/ BOOL needsRender();
protected:
BOOL render(S32 x, S32 y, S32 width, S32 height);
virtual void preRender(BOOL clear_depth);
virtual void postRender(BOOL success);
virtual BOOL render();
//--------------------------------------------------------------------
// Uploads
//--------------------------------------------------------------------
public:
void requestUpload();
void cancelUpload();
BOOL uploadNeeded() const; // We need to upload a new texture
BOOL uploadInProgress() const; // We have started uploading a new texture and are awaiting the result
BOOL uploadPending() const; // We are expecting a new texture to be uploaded at some point
static void onTextureUploadComplete(const LLUUID& uuid,
void* userdata,
S32 result, LLExtStat ext_status);
protected:
BOOL isReadyToUpload() const;
void doUpload(); // Does a read back and upload.
void conditionalRestartUploadTimer();
private:
BOOL mNeedsUpload; // Whether we need to send our baked textures to the server
U32 mNumLowresUploads; // Number 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).
LLFrameTimer mNeedsUploadTimer; // Tracks time since upload was requested and performed.
S32 mUploadFailCount; // Number of consecutive upload failures
LLFrameTimer mUploadRetryTimer; // Tracks time since last upload failure.
//--------------------------------------------------------------------
// 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.
};
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// LLBakedUploadData
//
// Used by LLTexLayerSetBuffer for a callback.
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
struct LLBakedUploadData
{
LLBakedUploadData(const LLVOAvatarSelf* avatar,
LLViewerTexLayerSet* layerset,
const LLUUID& id,
bool highest_res);
~LLBakedUploadData() {}
const LLUUID mID;
const LLVOAvatarSelf* mAvatar; // note: backlink only; don't LLPointer
LLViewerTexLayerSet* mTexLayerSet;
const U64 mStartTime; // for measuring baked texture upload time
const bool mIsHighestRes; // whether this is a "final" bake, or intermediate low res
};
#endif // LL_VIEWER_TEXLAYER_H
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