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Diffstat (limited to 'indra/llappearance/lltexlayer.h')
| -rw-r--r-- | indra/llappearance/lltexlayer.h | 269 |
1 files changed, 269 insertions, 0 deletions
diff --git a/indra/llappearance/lltexlayer.h b/indra/llappearance/lltexlayer.h new file mode 100644 index 0000000000..5a413e929f --- /dev/null +++ b/indra/llappearance/lltexlayer.h @@ -0,0 +1,269 @@ +/** + * @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 "lltexture.h" +#include "llframetimer.h" +#include "llavatarappearancedefines.h" +#include "lltexlayerparams.h" + +class LLAvatarAppearance; +class LLImageTGA; +class LLImageRaw; +class LLXmlTreeNode; +class LLTexLayerSet; +class LLTexLayerSetInfo; +class LLTexLayerInfo; +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) = 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 + + 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) = 0; + BOOL hasAlphaParams() const { return !mParamAlphaList.empty(); } + + ERenderPass getRenderPass() const; + BOOL isVisibilityMask() 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); + /*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); + /*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); + + /*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); + BOOL renderMorphMasks(S32 x, S32 y, S32 width, S32 height, const LLColor4 &layer_color); + void addAlphaMask(U8 *data, S32 originX, S32 originY, S32 width, S32 height); + /*virtual*/ BOOL isInvisibleAlphaMask() const; + + void setLTO(LLLocalTextureObject *lto) { mLocalTextureObject = lto; } + LLLocalTextureObject* getLTO() { return mLocalTextureObject; } + + static void calculateTexLayerColor(const param_color_list_t ¶m_list, LLColor4 &net_color); +protected: + LLUUID getUUID() const; +private: + 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 +{ +public: + LLTexLayerSet(LLAvatarAppearance* const appearance); + virtual ~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; + void applyMorphMask(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; + LLAvatarAppearanceDefines::EBakedTextureIndex getBakedTexIndex() { 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; + 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; +}; + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// LLTexLayerStaticImageList +// +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +class LLTexLayerStaticImageList : public LLSingleton<LLTexLayerStaticImageList> +{ +public: + LLTexLayerStaticImageList(); + ~LLTexLayerStaticImageList(); + LLTexture* 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<LLTexture> > 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 |