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/**
* @file lltexlayer.h
* @brief Texture layer classes. Used for avatars.
*
* $LicenseInfo:firstyear=2002&license=viewerlgpl$
* 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_LLTEXLAYER_H
#define LL_LLTEXLAYER_H
#include <deque>
#include "llglslshader.h"
#include "llgltexture.h"
#include "llavatarappearancedefines.h"
#include "lltexlayerparams.h"
class LLAvatarAppearance;
class LLImageTGA;
class LLImageRaw;
class LLLocalTextureObject;
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, LLRenderTarget* bound_target) = 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
LLWearableType::EType getWearableType() const;
LLAvatarAppearanceDefines::ETextureIndex getLocalTextureIndex() const;
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, LLRenderTarget* bound_target) = 0;
BOOL hasAlphaParams() const { return !mParamAlphaList.empty(); }
ERenderPass getRenderPass() const;
BOOL isVisibilityMask() const;
virtual void asLLSD(LLSD& sd) 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, LLAvatarAppearance* const appearance);
LLTexLayerTemplate(const LLTexLayerTemplate &layer);
/*virtual*/ ~LLTexLayerTemplate();
/*virtual*/ BOOL render(S32 x, S32 y, S32 width, S32 height, LLRenderTarget* bound_target);
/*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, LLRenderTarget* bound_target);
/*virtual*/ void setHasMorph(BOOL newval);
/*virtual*/ void deleteCaches();
/*virtual*/ BOOL isInvisibleAlphaMask() const;
protected:
U32 updateWearableCache() const;
LLTexLayer* getLayer(U32 i) const;
LLAvatarAppearance* getAvatarAppearance() const { return mAvatarAppearance; }
private:
LLAvatarAppearance* const mAvatarAppearance; // note: backlink only; don't make this an LLPointer.
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, LLRenderTarget* bound_target);
/*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, LLRenderTarget* bound_target);
void renderMorphMasks(S32 x, S32 y, S32 width, S32 height, const LLColor4 &layer_color, LLRenderTarget* bound_target, bool force_render);
void addAlphaMask(U8 *data, S32 originX, S32 originY, S32 width, S32 height, LLRenderTarget* bound_target);
/*virtual*/ BOOL isInvisibleAlphaMask() const;
void setLTO(LLLocalTextureObject *lto) { mLocalTextureObject = lto; }
LLLocalTextureObject* getLTO() { return mLocalTextureObject; }
/*virtual*/ void asLLSD(LLSD& sd) const;
static void calculateTexLayerColor(const param_color_list_t ¶m_list, LLColor4 &net_color);
protected:
LLUUID getUUID() const;
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(LLAvatarAppearance* const appearance);
virtual ~LLTexLayerSet();
LLTexLayerSetBuffer* getComposite();
const LLTexLayerSetBuffer* getComposite() const; // Do not create one if it doesn't exist.
virtual void createComposite() = 0;
void destroyComposite();
void gatherMorphMaskAlpha(U8 *data, S32 origin_x, S32 origin_y, S32 width, S32 height, LLRenderTarget* bound_target);
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, LLRenderTarget* bound_target = nullptr);
void renderAlphaMaskTextures(S32 x, S32 y, S32 width, S32 height, LLRenderTarget* bound_target = nullptr, bool forceClear = false);
BOOL isBodyRegion(const std::string& region) const;
void applyMorphMask(const U8* tex_data, S32 width, S32 height, S32 num_components);
BOOL isMorphValid() const;
virtual void requestUpdate() = 0;
void invalidateMorphMasks();
void deleteCaches();
LLTexLayerInterface* findLayerByName(const std::string& name);
void cloneTemplates(LLLocalTextureObject *lto, LLAvatarAppearanceDefines::ETextureIndex tex_index, LLWearable* wearable);
LLAvatarAppearance* getAvatarAppearance() const { return mAvatarAppearance; }
const std::string getBodyRegionName() const;
BOOL hasComposite() const { return (mComposite.notNull()); }
LLAvatarAppearanceDefines::EBakedTextureIndex getBakedTexIndex() const { return mBakedTexIndex; }
void setBakedTexIndex(LLAvatarAppearanceDefines::EBakedTextureIndex index) { mBakedTexIndex = index; }
BOOL isVisible() const { return mIsVisible; }
static BOOL sHasCaches;
protected:
typedef std::vector<LLTexLayerInterface *> layer_list_t;
layer_list_t mLayerList;
layer_list_t mMaskLayerList;
LLPointer<LLTexLayerSetBuffer> mComposite;
LLAvatarAppearance* const mAvatarAppearance; // note: backlink only; don't make this an LLPointer.
BOOL mIsVisible;
LLAvatarAppearanceDefines::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(LLAvatarAppearance *appearance);
S32 getWidth() const { return mWidth; }
S32 getHeight() const { return mHeight; }
protected:
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 virtual LLRefCount
{
LOG_CLASS(LLTexLayerSetBuffer);
public:
LLTexLayerSetBuffer(LLTexLayerSet* const owner);
virtual ~LLTexLayerSetBuffer();
protected:
void pushProjection() const;
void popProjection() const;
virtual void preRenderTexLayerSet();
virtual void midRenderTexLayerSet(BOOL success) {}
virtual void postRenderTexLayerSet(BOOL success);
virtual S32 getCompositeOriginX() const = 0;
virtual S32 getCompositeOriginY() const = 0;
virtual S32 getCompositeWidth() const = 0;
virtual S32 getCompositeHeight() const = 0;
BOOL renderTexLayerSet(LLRenderTarget* bound_target);
LLTexLayerSet* const mTexLayerSet;
};
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// LLTexLayerStaticImageList
//
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
class LLTexLayerStaticImageList : public LLSingleton<LLTexLayerStaticImageList>
{
LLSINGLETON(LLTexLayerStaticImageList);
~LLTexLayerStaticImageList();
public:
LLGLTexture* 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<LLGLTexture> > 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;
};
#endif // LL_LLTEXLAYER_H
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