diff options
Diffstat (limited to 'indra/llappearance/lltexlayer.cpp')
| -rw-r--r-- | indra/llappearance/lltexlayer.cpp | 2020 |
1 files changed, 2020 insertions, 0 deletions
diff --git a/indra/llappearance/lltexlayer.cpp b/indra/llappearance/lltexlayer.cpp new file mode 100644 index 0000000000..c075035226 --- /dev/null +++ b/indra/llappearance/lltexlayer.cpp @@ -0,0 +1,2020 @@ +/** + * @file lltexlayer.cpp + * @brief A texture layer. 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 + * $/LicenseInfo$ + */ + +#include "linden_common.h" + +#include "lltexlayer.h" + +#include "llavatarappearance.h" +#include "llcrc.h" +#include "imageids.h" +#include "llimagej2c.h" +#include "llimagetga.h" +#include "lldir.h" +#include "llvfile.h" +#include "llvfs.h" +#include "lltexlayerparams.h" +#include "lltexturemanagerbridge.h" +//#include "llrender2dutils.h" +#include "..\llui\llui.h" +#include "llwearable.h" +#include "llwearabledata.h" +#include "llvertexbuffer.h" +#include "llviewervisualparam.h" + +//#include "../tools/imdebug/imdebug.h" + +using namespace LLAvatarAppearanceDefines; + +// runway consolidate +extern std::string self_av_string(); + +class LLTexLayerInfo +{ + friend class LLTexLayer; + friend class LLTexLayerTemplate; + friend class LLTexLayerInterface; +public: + LLTexLayerInfo(); + ~LLTexLayerInfo(); + + BOOL parseXml(LLXmlTreeNode* node); + BOOL createVisualParams(LLAvatarAppearance *appearance); + BOOL isUserSettable() { return mLocalTexture != -1; } + S32 getLocalTexture() const { return mLocalTexture; } + BOOL getOnlyAlpha() const { return mUseLocalTextureAlphaOnly; } + std::string getName() const { return mName; } + +private: + std::string mName; + + BOOL mWriteAllChannels; // Don't use masking. Just write RGBA into buffer, + LLTexLayerInterface::ERenderPass mRenderPass; + + std::string mGlobalColor; + LLColor4 mFixedColor; + + S32 mLocalTexture; + std::string mStaticImageFileName; + BOOL mStaticImageIsMask; + BOOL mUseLocalTextureAlphaOnly; // Ignore RGB channels from the input texture. Use alpha as a mask + BOOL mIsVisibilityMask; + + typedef std::vector< std::pair< std::string,BOOL > > morph_name_list_t; + morph_name_list_t mMorphNameList; + param_color_info_list_t mParamColorInfoList; + param_alpha_info_list_t mParamAlphaInfoList; +}; + +//----------------------------------------------------------------------------- +// LLTexLayerSetBuffer +// The composite image that a LLViewerTexLayerSet writes to. Each LLViewerTexLayerSet has one. +//----------------------------------------------------------------------------- + +LLTexLayerSetBuffer::LLTexLayerSetBuffer(LLTexLayerSet* const owner) : + mTexLayerSet(owner) +{ +} + +LLTexLayerSetBuffer::~LLTexLayerSetBuffer() +{ +} + +void LLTexLayerSetBuffer::pushProjection() const +{ + gGL.matrixMode(LLRender::MM_PROJECTION); + gGL.pushMatrix(); + gGL.loadIdentity(); + gGL.ortho(0.0f, getCompositeWidth(), 0.0f, getCompositeHeight(), -1.0f, 1.0f); + + gGL.matrixMode(LLRender::MM_MODELVIEW); + gGL.pushMatrix(); + gGL.loadIdentity(); +} + +void LLTexLayerSetBuffer::popProjection() const +{ + gGL.matrixMode(LLRender::MM_PROJECTION); + gGL.popMatrix(); + + gGL.matrixMode(LLRender::MM_MODELVIEW); + gGL.popMatrix(); +} + +// virtual +void LLTexLayerSetBuffer::preRenderTexLayerSet() +{ + // Set up an ortho projection + pushProjection(); +} + +// virtual +void LLTexLayerSetBuffer::postRenderTexLayerSet(BOOL success) +{ + popProjection(); +} + +BOOL LLTexLayerSetBuffer::renderTexLayerSet() +{ + // Default color mask for tex layer render + gGL.setColorMask(true, true); + + BOOL success = TRUE; + + bool use_shaders = LLGLSLShader::sNoFixedFunction; + + if (use_shaders) + { + gAlphaMaskProgram.bind(); + gAlphaMaskProgram.setMinimumAlpha(0.004f); + } + else + { + gGL.setAlphaRejectSettings(LLRender::CF_GREATER, 0.00f); + } + + LLVertexBuffer::unbind(); + + // Composite the color data + LLGLSUIDefault gls_ui; + success &= mTexLayerSet->render( getCompositeOriginX(), getCompositeOriginY(), + getCompositeWidth(), getCompositeHeight() ); + gGL.flush(); + + midRenderTexLayerSet(success); + + if (use_shaders) + { + gAlphaMaskProgram.unbind(); + } + + LLVertexBuffer::unbind(); + + // reset GL state + gGL.setColorMask(true, true); + gGL.setSceneBlendType(LLRender::BT_ALPHA); + + return success; +} + +//----------------------------------------------------------------------------- +// LLTexLayerSetInfo +// An ordered set of texture layers that get composited into a single texture. +//----------------------------------------------------------------------------- + +LLTexLayerSetInfo::LLTexLayerSetInfo() : + mBodyRegion( "" ), + mWidth( 512 ), + mHeight( 512 ), + mClearAlpha( TRUE ) +{ +} + +LLTexLayerSetInfo::~LLTexLayerSetInfo( ) +{ + std::for_each(mLayerInfoList.begin(), mLayerInfoList.end(), DeletePointer()); +} + +BOOL LLTexLayerSetInfo::parseXml(LLXmlTreeNode* node) +{ + llassert( node->hasName( "layer_set" ) ); + if( !node->hasName( "layer_set" ) ) + { + return FALSE; + } + + // body_region + static LLStdStringHandle body_region_string = LLXmlTree::addAttributeString("body_region"); + if( !node->getFastAttributeString( body_region_string, mBodyRegion ) ) + { + llwarns << "<layer_set> is missing body_region attribute" << llendl; + return FALSE; + } + + // width, height + static LLStdStringHandle width_string = LLXmlTree::addAttributeString("width"); + if( !node->getFastAttributeS32( width_string, mWidth ) ) + { + return FALSE; + } + + static LLStdStringHandle height_string = LLXmlTree::addAttributeString("height"); + if( !node->getFastAttributeS32( height_string, mHeight ) ) + { + return FALSE; + } + + // Optional alpha component to apply after all compositing is complete. + static LLStdStringHandle alpha_tga_file_string = LLXmlTree::addAttributeString("alpha_tga_file"); + node->getFastAttributeString( alpha_tga_file_string, mStaticAlphaFileName ); + + static LLStdStringHandle clear_alpha_string = LLXmlTree::addAttributeString("clear_alpha"); + node->getFastAttributeBOOL( clear_alpha_string, mClearAlpha ); + + // <layer> + for (LLXmlTreeNode* child = node->getChildByName( "layer" ); + child; + child = node->getNextNamedChild()) + { + LLTexLayerInfo* info = new LLTexLayerInfo(); + if( !info->parseXml( child )) + { + delete info; + return FALSE; + } + mLayerInfoList.push_back( info ); + } + return TRUE; +} + +// creates visual params without generating layersets or layers +void LLTexLayerSetInfo::createVisualParams(LLAvatarAppearance *appearance) +{ + //layer_info_list_t mLayerInfoList; + for (layer_info_list_t::iterator layer_iter = mLayerInfoList.begin(); + layer_iter != mLayerInfoList.end(); + layer_iter++) + { + LLTexLayerInfo *layer_info = *layer_iter; + layer_info->createVisualParams(appearance); + } +} + +//----------------------------------------------------------------------------- +// LLTexLayerSet +// An ordered set of texture layers that get composited into a single texture. +//----------------------------------------------------------------------------- + +BOOL LLTexLayerSet::sHasCaches = FALSE; + +LLTexLayerSet::LLTexLayerSet(LLAvatarAppearance* const appearance) : + mAvatarAppearance( appearance ), + mIsVisible( TRUE ), + mBakedTexIndex(LLAvatarAppearanceDefines::BAKED_HEAD), + mInfo( NULL ) +{ +} + +// virtual +LLTexLayerSet::~LLTexLayerSet() +{ + deleteCaches(); + std::for_each(mLayerList.begin(), mLayerList.end(), DeletePointer()); + std::for_each(mMaskLayerList.begin(), mMaskLayerList.end(), DeletePointer()); +} + +//----------------------------------------------------------------------------- +// setInfo +//----------------------------------------------------------------------------- + +BOOL LLTexLayerSet::setInfo(const LLTexLayerSetInfo *info) +{ + llassert(mInfo == NULL); + mInfo = info; + //mID = info->mID; // No ID + + mLayerList.reserve(info->mLayerInfoList.size()); + for (LLTexLayerSetInfo::layer_info_list_t::const_iterator iter = info->mLayerInfoList.begin(); + iter != info->mLayerInfoList.end(); + iter++) + { + LLTexLayerInterface *layer = NULL; + if ( (*iter)->isUserSettable() ) + { + layer = new LLTexLayerTemplate( this, getAvatarAppearance() ); + } + else + { + layer = new LLTexLayer(this); + } + // this is the first time this layer (of either type) is being created - make sure you add the parameters to the avatar appearance + if (!layer->setInfo(*iter, NULL)) + { + mInfo = NULL; + return FALSE; + } + if (!layer->isVisibilityMask()) + { + mLayerList.push_back( layer ); + } + else + { + mMaskLayerList.push_back(layer); + } + } + + requestUpdate(); + + stop_glerror(); + + return TRUE; +} + +#if 0 // obsolete +//----------------------------------------------------------------------------- +// parseData +//----------------------------------------------------------------------------- + +BOOL LLTexLayerSet::parseData(LLXmlTreeNode* node) +{ + LLTexLayerSetInfo *info = new LLTexLayerSetInfo; + + if (!info->parseXml(node)) + { + delete info; + return FALSE; + } + if (!setInfo(info)) + { + delete info; + return FALSE; + } + return TRUE; +} +#endif + +void LLTexLayerSet::deleteCaches() +{ + for( layer_list_t::iterator iter = mLayerList.begin(); iter != mLayerList.end(); iter++ ) + { + LLTexLayerInterface* layer = *iter; + layer->deleteCaches(); + } + for (layer_list_t::iterator iter = mMaskLayerList.begin(); iter != mMaskLayerList.end(); iter++) + { + LLTexLayerInterface* layer = *iter; + layer->deleteCaches(); + } +} + + +BOOL LLTexLayerSet::render( S32 x, S32 y, S32 width, S32 height ) +{ + BOOL success = TRUE; + mIsVisible = TRUE; + + if (mMaskLayerList.size() > 0) + { + for (layer_list_t::iterator iter = mMaskLayerList.begin(); iter != mMaskLayerList.end(); iter++) + { + LLTexLayerInterface* layer = *iter; + if (layer->isInvisibleAlphaMask()) + { + mIsVisible = FALSE; + } + } + } + + bool use_shaders = LLGLSLShader::sNoFixedFunction; + + LLGLSUIDefault gls_ui; + LLGLDepthTest gls_depth(GL_FALSE, GL_FALSE); + gGL.setColorMask(true, true); + + // clear buffer area to ensure we don't pick up UI elements + { + gGL.flush(); + LLGLDisable no_alpha(GL_ALPHA_TEST); + if (use_shaders) + { + gAlphaMaskProgram.setMinimumAlpha(0.0f); + } + gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE); + gGL.color4f( 0.f, 0.f, 0.f, 1.f ); + + gl_rect_2d_simple( width, height ); + + gGL.flush(); + if (use_shaders) + { + gAlphaMaskProgram.setMinimumAlpha(0.004f); + } + } + + if (mIsVisible) + { + // composite color layers + for( layer_list_t::iterator iter = mLayerList.begin(); iter != mLayerList.end(); iter++ ) + { + LLTexLayerInterface* layer = *iter; + if (layer->getRenderPass() == LLTexLayer::RP_COLOR) + { + gGL.flush(); + success &= layer->render(x, y, width, height); + gGL.flush(); + } + } + + renderAlphaMaskTextures(x, y, width, height, false); + + stop_glerror(); + } + else + { + gGL.flush(); + + gGL.setSceneBlendType(LLRender::BT_REPLACE); + LLGLDisable no_alpha(GL_ALPHA_TEST); + if (use_shaders) + { + gAlphaMaskProgram.setMinimumAlpha(0.f); + } + + gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE); + gGL.color4f( 0.f, 0.f, 0.f, 0.f ); + + gl_rect_2d_simple( width, height ); + gGL.setSceneBlendType(LLRender::BT_ALPHA); + + gGL.flush(); + if (use_shaders) + { + gAlphaMaskProgram.setMinimumAlpha(0.004f); + } + } + + return success; +} + + +BOOL LLTexLayerSet::isBodyRegion(const std::string& region) const +{ + return mInfo->mBodyRegion == region; +} + +const std::string LLTexLayerSet::getBodyRegionName() const +{ + return mInfo->mBodyRegion; +} + + +// virtual +void LLTexLayerSet::asLLSD(LLSD& sd) const +{ + sd["visible"] = LLSD::Boolean(isVisible()); + LLSD layer_list_sd; + layer_list_t::const_iterator layer_iter = mLayerList.begin(); + layer_list_t::const_iterator layer_end = mLayerList.end(); + for(; layer_iter != layer_end; ++layer_iter); + { + LLSD layer_sd; + //LLTexLayerInterface* layer = (*layer_iter); + //if (layer) + //{ + // layer->asLLSD(layer_sd); + //} + layer_list_sd.append(layer_sd); + } + LLSD mask_list_sd; + LLSD info_sd; + sd["layers"] = layer_list_sd; + sd["masks"] = mask_list_sd; + sd["info"] = info_sd; +} + + +void LLTexLayerSet::destroyComposite() +{ + if( mComposite ) + { + mComposite = NULL; + } +} + +LLTexLayerSetBuffer* LLTexLayerSet::getComposite() +{ + if (!mComposite) + { + createComposite(); + } + return mComposite; +} + +const LLTexLayerSetBuffer* LLTexLayerSet::getComposite() const +{ + return mComposite; +} + +static LLFastTimer::DeclareTimer FTM_GATHER_MORPH_MASK_ALPHA("gatherMorphMaskAlpha"); +void LLTexLayerSet::gatherMorphMaskAlpha(U8 *data, S32 origin_x, S32 origin_y, S32 width, S32 height) +{ + LLFastTimer t(FTM_GATHER_MORPH_MASK_ALPHA); + memset(data, 255, width * height); + + for( layer_list_t::iterator iter = mLayerList.begin(); iter != mLayerList.end(); iter++ ) + { + LLTexLayerInterface* layer = *iter; + layer->gatherAlphaMasks(data, origin_x, origin_y, width, height); + } + + // Set alpha back to that of our alpha masks. + renderAlphaMaskTextures(origin_x, origin_y, width, height, true); +} + +static LLFastTimer::DeclareTimer FTM_RENDER_ALPHA_MASK_TEXTURES("renderAlphaMaskTextures"); +void LLTexLayerSet::renderAlphaMaskTextures(S32 x, S32 y, S32 width, S32 height, bool forceClear) +{ + LLFastTimer t(FTM_RENDER_ALPHA_MASK_TEXTURES); + const LLTexLayerSetInfo *info = getInfo(); + + bool use_shaders = LLGLSLShader::sNoFixedFunction; + + gGL.setColorMask(false, true); + gGL.setSceneBlendType(LLRender::BT_REPLACE); + + // (Optionally) replace alpha with a single component image from a tga file. + if (!info->mStaticAlphaFileName.empty()) + { + gGL.flush(); + { + LLGLTexture* tex = LLTexLayerStaticImageList::getInstance()->getTexture(info->mStaticAlphaFileName, TRUE); + if( tex ) + { + LLGLSUIDefault gls_ui; + gGL.getTexUnit(0)->bind(tex); + gGL.getTexUnit(0)->setTextureBlendType( LLTexUnit::TB_REPLACE ); + gl_rect_2d_simple_tex( width, height ); + } + } + gGL.flush(); + } + else if (forceClear || info->mClearAlpha || (mMaskLayerList.size() > 0)) + { + // Set the alpha channel to one (clean up after previous blending) + gGL.flush(); + LLGLDisable no_alpha(GL_ALPHA_TEST); + if (use_shaders) + { + gAlphaMaskProgram.setMinimumAlpha(0.f); + } + gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE); + gGL.color4f( 0.f, 0.f, 0.f, 1.f ); + + gl_rect_2d_simple( width, height ); + + gGL.flush(); + if (use_shaders) + { + gAlphaMaskProgram.setMinimumAlpha(0.004f); + } + } + + // (Optional) Mask out part of the baked texture with alpha masks + // will still have an effect even if mClearAlpha is set or the alpha component was replaced + if (mMaskLayerList.size() > 0) + { + gGL.setSceneBlendType(LLRender::BT_MULT_ALPHA); + gGL.getTexUnit(0)->setTextureBlendType( LLTexUnit::TB_REPLACE ); + for (layer_list_t::iterator iter = mMaskLayerList.begin(); iter != mMaskLayerList.end(); iter++) + { + LLTexLayerInterface* layer = *iter; + gGL.flush(); + layer->blendAlphaTexture(x,y,width, height); + gGL.flush(); + } + + } + + gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE); + + gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT); + gGL.setColorMask(true, true); + gGL.setSceneBlendType(LLRender::BT_ALPHA); +} + +void LLTexLayerSet::applyMorphMask(U8* tex_data, S32 width, S32 height, S32 num_components) +{ + mAvatarAppearance->applyMorphMask(tex_data, width, height, num_components, mBakedTexIndex); +} + +BOOL LLTexLayerSet::isMorphValid() const +{ + for(layer_list_t::const_iterator iter = mLayerList.begin(); iter != mLayerList.end(); iter++ ) + { + const LLTexLayerInterface* layer = *iter; + if (layer && !layer->isMorphValid()) + { + return FALSE; + } + } + return TRUE; +} + +void LLTexLayerSet::invalidateMorphMasks() +{ + for( layer_list_t::iterator iter = mLayerList.begin(); iter != mLayerList.end(); iter++ ) + { + LLTexLayerInterface* layer = *iter; + if (layer) + { + layer->invalidateMorphMasks(); + } + } +} + + +//----------------------------------------------------------------------------- +// LLTexLayerInfo +//----------------------------------------------------------------------------- +LLTexLayerInfo::LLTexLayerInfo() : + mWriteAllChannels( FALSE ), + mRenderPass(LLTexLayer::RP_COLOR), + mFixedColor( 0.f, 0.f, 0.f, 0.f ), + mLocalTexture( -1 ), + mStaticImageIsMask( FALSE ), + mUseLocalTextureAlphaOnly(FALSE), + mIsVisibilityMask(FALSE) +{ +} + +LLTexLayerInfo::~LLTexLayerInfo( ) +{ + std::for_each(mParamColorInfoList.begin(), mParamColorInfoList.end(), DeletePointer()); + std::for_each(mParamAlphaInfoList.begin(), mParamAlphaInfoList.end(), DeletePointer()); +} + +BOOL LLTexLayerInfo::parseXml(LLXmlTreeNode* node) +{ + llassert( node->hasName( "layer" ) ); + + // name attribute + static LLStdStringHandle name_string = LLXmlTree::addAttributeString("name"); + if( !node->getFastAttributeString( name_string, mName ) ) + { + return FALSE; + } + + static LLStdStringHandle write_all_channels_string = LLXmlTree::addAttributeString("write_all_channels"); + node->getFastAttributeBOOL( write_all_channels_string, mWriteAllChannels ); + + std::string render_pass_name; + static LLStdStringHandle render_pass_string = LLXmlTree::addAttributeString("render_pass"); + if( node->getFastAttributeString( render_pass_string, render_pass_name ) ) + { + if( render_pass_name == "bump" ) + { + mRenderPass = LLTexLayer::RP_BUMP; + } + } + + // Note: layers can have either a "global_color" attrib, a "fixed_color" attrib, or a <param_color> child. + // global color attribute (optional) + static LLStdStringHandle global_color_string = LLXmlTree::addAttributeString("global_color"); + node->getFastAttributeString( global_color_string, mGlobalColor ); + + // Visibility mask (optional) + BOOL is_visibility; + static LLStdStringHandle visibility_mask_string = LLXmlTree::addAttributeString("visibility_mask"); + if (node->getFastAttributeBOOL(visibility_mask_string, is_visibility)) + { + mIsVisibilityMask = is_visibility; + } + + // color attribute (optional) + LLColor4U color4u; + static LLStdStringHandle fixed_color_string = LLXmlTree::addAttributeString("fixed_color"); + if( node->getFastAttributeColor4U( fixed_color_string, color4u ) ) + { + mFixedColor.setVec( color4u ); + } + + // <texture> optional sub-element + for (LLXmlTreeNode* texture_node = node->getChildByName( "texture" ); + texture_node; + texture_node = node->getNextNamedChild()) + { + std::string local_texture_name; + static LLStdStringHandle tga_file_string = LLXmlTree::addAttributeString("tga_file"); + static LLStdStringHandle local_texture_string = LLXmlTree::addAttributeString("local_texture"); + static LLStdStringHandle file_is_mask_string = LLXmlTree::addAttributeString("file_is_mask"); + static LLStdStringHandle local_texture_alpha_only_string = LLXmlTree::addAttributeString("local_texture_alpha_only"); + if( texture_node->getFastAttributeString( tga_file_string, mStaticImageFileName ) ) + { + texture_node->getFastAttributeBOOL( file_is_mask_string, mStaticImageIsMask ); + } + else if (texture_node->getFastAttributeString(local_texture_string, local_texture_name)) + { + texture_node->getFastAttributeBOOL( local_texture_alpha_only_string, mUseLocalTextureAlphaOnly ); + + /* if ("upper_shirt" == local_texture_name) + mLocalTexture = TEX_UPPER_SHIRT; */ + mLocalTexture = TEX_NUM_INDICES; + for (LLAvatarAppearanceDictionary::Textures::const_iterator iter = LLAvatarAppearanceDictionary::getInstance()->getTextures().begin(); + iter != LLAvatarAppearanceDictionary::getInstance()->getTextures().end(); + iter++) + { + const LLAvatarAppearanceDictionary::TextureEntry *texture_dict = iter->second; + if (local_texture_name == texture_dict->mName) + { + mLocalTexture = iter->first; + break; + } + } + if (mLocalTexture == TEX_NUM_INDICES) + { + llwarns << "<texture> element has invalid local_texture attribute: " << mName << " " << local_texture_name << llendl; + return FALSE; + } + } + else + { + llwarns << "<texture> element is missing a required attribute. " << mName << llendl; + return FALSE; + } + } + + for (LLXmlTreeNode* maskNode = node->getChildByName( "morph_mask" ); + maskNode; + maskNode = node->getNextNamedChild()) + { + std::string morph_name; + static LLStdStringHandle morph_name_string = LLXmlTree::addAttributeString("morph_name"); + if (maskNode->getFastAttributeString(morph_name_string, morph_name)) + { + BOOL invert = FALSE; + static LLStdStringHandle invert_string = LLXmlTree::addAttributeString("invert"); + maskNode->getFastAttributeBOOL(invert_string, invert); + mMorphNameList.push_back(std::pair<std::string,BOOL>(morph_name,invert)); + } + } + + // <param> optional sub-element (color or alpha params) + for (LLXmlTreeNode* child = node->getChildByName( "param" ); + child; + child = node->getNextNamedChild()) + { + if( child->getChildByName( "param_color" ) ) + { + // <param><param_color/></param> + LLTexLayerParamColorInfo* info = new LLTexLayerParamColorInfo(); + if (!info->parseXml(child)) + { + delete info; + return FALSE; + } + mParamColorInfoList.push_back(info); + } + else if( child->getChildByName( "param_alpha" ) ) + { + // <param><param_alpha/></param> + LLTexLayerParamAlphaInfo* info = new LLTexLayerParamAlphaInfo( ); + if (!info->parseXml(child)) + { + delete info; + return FALSE; + } + mParamAlphaInfoList.push_back(info); + } + } + + return TRUE; +} + +BOOL LLTexLayerInfo::createVisualParams(LLAvatarAppearance *appearance) +{ + BOOL success = TRUE; + for (param_color_info_list_t::iterator color_info_iter = mParamColorInfoList.begin(); + color_info_iter != mParamColorInfoList.end(); + color_info_iter++) + { + LLTexLayerParamColorInfo * color_info = *color_info_iter; + LLTexLayerParamColor* param_color = new LLTexLayerParamColor(appearance); + if (!param_color->setInfo(color_info, TRUE)) + { + llwarns << "NULL TexLayer Color Param could not be added to visual param list. Deleting." << llendl; + delete param_color; + success = FALSE; + } + } + + for (param_alpha_info_list_t::iterator alpha_info_iter = mParamAlphaInfoList.begin(); + alpha_info_iter != mParamAlphaInfoList.end(); + alpha_info_iter++) + { + LLTexLayerParamAlphaInfo * alpha_info = *alpha_info_iter; + LLTexLayerParamAlpha* param_alpha = new LLTexLayerParamAlpha(appearance); + if (!param_alpha->setInfo(alpha_info, TRUE)) + { + llwarns << "NULL TexLayer Alpha Param could not be added to visual param list. Deleting." << llendl; + delete param_alpha; + success = FALSE; + } + } + + return success; +} + +LLTexLayerInterface::LLTexLayerInterface(LLTexLayerSet* const layer_set): + mTexLayerSet( layer_set ), + mMorphMasksValid( FALSE ), + mInfo(NULL), + mHasMorph(FALSE) +{ +} + +LLTexLayerInterface::LLTexLayerInterface(const LLTexLayerInterface &layer, LLWearable *wearable): + mTexLayerSet( layer.mTexLayerSet ), + mInfo(NULL) +{ + // don't add visual params for cloned layers + setInfo(layer.getInfo(), wearable); + + mHasMorph = layer.mHasMorph; +} + +BOOL LLTexLayerInterface::setInfo(const LLTexLayerInfo *info, LLWearable* wearable ) // This sets mInfo and calls initialization functions +{ + // setInfo should only be called once. Code is not robust enough to handle redefinition of a texlayer. + // Not a critical warning, but could be useful for debugging later issues. -Nyx + if (mInfo != NULL) + { + llwarns << "mInfo != NULL" << llendl; + } + mInfo = info; + //mID = info->mID; // No ID + + mParamColorList.reserve(mInfo->mParamColorInfoList.size()); + for (param_color_info_list_t::const_iterator iter = mInfo->mParamColorInfoList.begin(); + iter != mInfo->mParamColorInfoList.end(); + iter++) + { + LLTexLayerParamColor* param_color; + if (!wearable) + { + param_color = new LLTexLayerParamColor(this); + if (!param_color->setInfo(*iter, TRUE)) + { + mInfo = NULL; + return FALSE; + } + } + else + { + param_color = (LLTexLayerParamColor*)wearable->getVisualParam((*iter)->getID()); + if (!param_color) + { + mInfo = NULL; + return FALSE; + } + } + mParamColorList.push_back( param_color ); + } + + mParamAlphaList.reserve(mInfo->mParamAlphaInfoList.size()); + for (param_alpha_info_list_t::const_iterator iter = mInfo->mParamAlphaInfoList.begin(); + iter != mInfo->mParamAlphaInfoList.end(); + iter++) + { + LLTexLayerParamAlpha* param_alpha; + if (!wearable) + { + param_alpha = new LLTexLayerParamAlpha( this ); + if (!param_alpha->setInfo(*iter, TRUE)) + { + mInfo = NULL; + return FALSE; + } + } + else + { + param_alpha = (LLTexLayerParamAlpha*) wearable->getVisualParam((*iter)->getID()); + if (!param_alpha) + { + mInfo = NULL; + return FALSE; + } + } + mParamAlphaList.push_back( param_alpha ); + } + + return TRUE; +} + +/*virtual*/ void LLTexLayerInterface::requestUpdate() +{ + mTexLayerSet->requestUpdate(); +} + +const std::string& LLTexLayerInterface::getName() const +{ + return mInfo->mName; +} + +ETextureIndex LLTexLayerInterface::getLocalTextureIndex() const +{ + return (ETextureIndex) mInfo->mLocalTexture; +} + +LLWearableType::EType LLTexLayerInterface::getWearableType() const +{ + ETextureIndex te = getLocalTextureIndex(); + if (TEX_INVALID == te) + { + LLWearableType::EType type = LLWearableType::WT_INVALID; + param_color_list_t::const_iterator color_iter = mParamColorList.begin(); + param_alpha_list_t::const_iterator alpha_iter = mParamAlphaList.begin(); + + for (; color_iter != mParamColorList.end(); color_iter++) + { + LLTexLayerParamColor* param = *color_iter; + if (param) + { + LLWearableType::EType new_type = (LLWearableType::EType)param->getWearableType(); + if (new_type != LLWearableType::WT_INVALID && new_type != type) + { + if (type != LLWearableType::WT_INVALID) + { + return LLWearableType::WT_INVALID; + } + type = new_type; + } + } + } + + for (; alpha_iter != mParamAlphaList.end(); alpha_iter++) + { + LLTexLayerParamAlpha* param = *alpha_iter; + if (param) + { + LLWearableType::EType new_type = (LLWearableType::EType)param->getWearableType(); + if (new_type != LLWearableType::WT_INVALID && new_type != type) + { + if (type != LLWearableType::WT_INVALID) + { + return LLWearableType::WT_INVALID; + } + type = new_type; + } + } + } + + return type; + } + return LLAvatarAppearanceDictionary::getTEWearableType(te); +} + +LLTexLayerInterface::ERenderPass LLTexLayerInterface::getRenderPass() const +{ + return mInfo->mRenderPass; +} + +const std::string& LLTexLayerInterface::getGlobalColor() const +{ + return mInfo->mGlobalColor; +} + +BOOL LLTexLayerInterface::isVisibilityMask() const +{ + return mInfo->mIsVisibilityMask; +} + +void LLTexLayerInterface::invalidateMorphMasks() +{ + mMorphMasksValid = FALSE; +} + +LLViewerVisualParam* LLTexLayerInterface::getVisualParamPtr(S32 index) const +{ + LLViewerVisualParam *result = NULL; + for (param_color_list_t::const_iterator color_iter = mParamColorList.begin(); color_iter != mParamColorList.end() && !result; ++color_iter) + { + if ((*color_iter)->getID() == index) + { + result = *color_iter; + } + } + for (param_alpha_list_t::const_iterator alpha_iter = mParamAlphaList.begin(); alpha_iter != mParamAlphaList.end() && !result; ++alpha_iter) + { + if ((*alpha_iter)->getID() == index) + { + result = *alpha_iter; + } + } + + return result; +} + +//----------------------------------------------------------------------------- +// LLTexLayer +// A single texture layer, consisting of: +// * color, consisting of either +// * one or more color parameters (weighted colors) +// * a reference to a global color +// * a fixed color with non-zero alpha +// * opaque white (the default) +// * (optional) a texture defined by either +// * a GUID +// * a texture entry index (TE) +// * (optional) one or more alpha parameters (weighted alpha textures) +//----------------------------------------------------------------------------- +LLTexLayer::LLTexLayer(LLTexLayerSet* const layer_set) : + LLTexLayerInterface( layer_set ), + mLocalTextureObject(NULL) +{ +} + +LLTexLayer::LLTexLayer(const LLTexLayer &layer, LLWearable *wearable) : + LLTexLayerInterface( layer, wearable ), + mLocalTextureObject(NULL) +{ +} + +LLTexLayer::LLTexLayer(const LLTexLayerTemplate &layer_template, LLLocalTextureObject *lto, LLWearable *wearable) : + LLTexLayerInterface( layer_template, wearable ), + mLocalTextureObject(lto) +{ +} + +LLTexLayer::~LLTexLayer() +{ + // mParamAlphaList and mParamColorList are LLViewerVisualParam's and get + // deleted with ~LLCharacter() + //std::for_each(mParamAlphaList.begin(), mParamAlphaList.end(), DeletePointer()); + //std::for_each(mParamColorList.begin(), mParamColorList.end(), DeletePointer()); + + for( alpha_cache_t::iterator iter = mAlphaCache.begin(); + iter != mAlphaCache.end(); iter++ ) + { + U8* alpha_data = iter->second; + delete [] alpha_data; + } + +} + +void LLTexLayer::asLLSD(LLSD& sd) const +{ + // *TODO: Finish + sd["id"] = getUUID(); +} + +//----------------------------------------------------------------------------- +// setInfo +//----------------------------------------------------------------------------- + +BOOL LLTexLayer::setInfo(const LLTexLayerInfo* info, LLWearable* wearable ) +{ + return LLTexLayerInterface::setInfo(info, wearable); +} + +//static +void LLTexLayer::calculateTexLayerColor(const param_color_list_t ¶m_list, LLColor4 &net_color) +{ + for (param_color_list_t::const_iterator iter = param_list.begin(); + iter != param_list.end(); iter++) + { + const LLTexLayerParamColor* param = *iter; + LLColor4 param_net = param->getNetColor(); + const LLTexLayerParamColorInfo *info = (LLTexLayerParamColorInfo *)param->getInfo(); + switch(info->getOperation()) + { + case LLTexLayerParamColor::OP_ADD: + net_color += param_net; + break; + case LLTexLayerParamColor::OP_MULTIPLY: + net_color = net_color * param_net; + break; + case LLTexLayerParamColor::OP_BLEND: + net_color = lerp(net_color, param_net, param->getWeight()); + break; + default: + llassert(0); + break; + } + } + net_color.clamp(); +} + +/*virtual*/ void LLTexLayer::deleteCaches() +{ + // Only need to delete caches for alpha params. Color params don't hold extra memory + for (param_alpha_list_t::iterator iter = mParamAlphaList.begin(); + iter != mParamAlphaList.end(); iter++ ) + { + LLTexLayerParamAlpha* param = *iter; + param->deleteCaches(); + } +} + +BOOL LLTexLayer::render(S32 x, S32 y, S32 width, S32 height) +{ + LLGLEnable color_mat(GL_COLOR_MATERIAL); + // *TODO: Is this correct? + //gPipeline.disableLights(); + stop_glerror(); + glDisable(GL_LIGHTING); + stop_glerror(); + + bool use_shaders = LLGLSLShader::sNoFixedFunction; + + LLColor4 net_color; + BOOL color_specified = findNetColor(&net_color); + + if (mTexLayerSet->getAvatarAppearance()->mIsDummy) + { + color_specified = true; + net_color = LLAvatarAppearance::getDummyColor(); + } + + BOOL success = TRUE; + + // If you can't see the layer, don't render it. + if( is_approx_zero( net_color.mV[VW] ) ) + { + return success; + } + + BOOL alpha_mask_specified = FALSE; + param_alpha_list_t::const_iterator iter = mParamAlphaList.begin(); + if( iter != mParamAlphaList.end() ) + { + // If we have alpha masks, but we're skipping all of them, skip the whole layer. + // However, we can't do this optimization if we have morph masks that need updating. +/* if (!mHasMorph) + { + BOOL skip_layer = TRUE; + + while( iter != mParamAlphaList.end() ) + { + const LLTexLayerParamAlpha* param = *iter; + + if( !param->getSkip() ) + { + skip_layer = FALSE; + break; + } + + iter++; + } + + if( skip_layer ) + { + return success; + } + }//*/ + + const bool force_render = true; + renderMorphMasks(x, y, width, height, net_color, force_render); + alpha_mask_specified = TRUE; + gGL.flush(); + gGL.blendFunc(LLRender::BF_DEST_ALPHA, LLRender::BF_ONE_MINUS_DEST_ALPHA); + } + + gGL.color4fv( net_color.mV); + + if( getInfo()->mWriteAllChannels ) + { + gGL.flush(); + gGL.setSceneBlendType(LLRender::BT_REPLACE); + } + + if( (getInfo()->mLocalTexture != -1) && !getInfo()->mUseLocalTextureAlphaOnly ) + { + { + LLGLTexture* tex = NULL; + if (mLocalTextureObject && mLocalTextureObject->getImage()) + { + tex = mLocalTextureObject->getImage(); + if (mLocalTextureObject->getID() == IMG_DEFAULT_AVATAR) + { + tex = NULL; + } + } + else + { + llinfos << "lto not defined or image not defined: " << getInfo()->getLocalTexture() << " lto: " << mLocalTextureObject << llendl; + } +// if( mTexLayerSet->getAvatarAppearance()->getLocalTextureGL((ETextureIndex)getInfo()->mLocalTexture, &image_gl ) ) + { + if( tex ) + { + bool no_alpha_test = getInfo()->mWriteAllChannels; + LLGLDisable alpha_test(no_alpha_test ? GL_ALPHA_TEST : 0); + if (no_alpha_test) + { + if (use_shaders) + { + gAlphaMaskProgram.setMinimumAlpha(0.f); + } + } + + LLTexUnit::eTextureAddressMode old_mode = tex->getAddressMode(); + + gGL.getTexUnit(0)->bind(tex, TRUE); + gGL.getTexUnit(0)->setTextureAddressMode(LLTexUnit::TAM_CLAMP); + + gl_rect_2d_simple_tex( width, height ); + + gGL.getTexUnit(0)->setTextureAddressMode(old_mode); + gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE); + if (no_alpha_test) + { + if (use_shaders) + { + gAlphaMaskProgram.setMinimumAlpha(0.004f); + } + } + } + } +// else +// { +// success = FALSE; +// } + } + } + + if( !getInfo()->mStaticImageFileName.empty() ) + { + { + LLGLTexture* tex = LLTexLayerStaticImageList::getInstance()->getTexture(getInfo()->mStaticImageFileName, getInfo()->mStaticImageIsMask); + if( tex ) + { + gGL.getTexUnit(0)->bind(tex, TRUE); + gl_rect_2d_simple_tex( width, height ); + gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE); + } + else + { + success = FALSE; + } + } + } + + if(((-1 == getInfo()->mLocalTexture) || + getInfo()->mUseLocalTextureAlphaOnly) && + getInfo()->mStaticImageFileName.empty() && + color_specified ) + { + LLGLDisable no_alpha(GL_ALPHA_TEST); + if (use_shaders) + { + gAlphaMaskProgram.setMinimumAlpha(0.000f); + } + + gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE); + gGL.color4fv( net_color.mV ); + gl_rect_2d_simple( width, height ); + if (use_shaders) + { + gAlphaMaskProgram.setMinimumAlpha(0.004f); + } + } + + if( alpha_mask_specified || getInfo()->mWriteAllChannels ) + { + // Restore standard blend func value + gGL.flush(); + gGL.setSceneBlendType(LLRender::BT_ALPHA); + stop_glerror(); + } + + if( !success ) + { + llinfos << "LLTexLayer::render() partial: " << getInfo()->mName << llendl; + } + return success; +} + +const U8* LLTexLayer::getAlphaData() const +{ + LLCRC alpha_mask_crc; + const LLUUID& uuid = getUUID(); + alpha_mask_crc.update((U8*)(&uuid.mData), UUID_BYTES); + + for (param_alpha_list_t::const_iterator iter = mParamAlphaList.begin(); iter != mParamAlphaList.end(); iter++) + { + const LLTexLayerParamAlpha* param = *iter; + // MULTI-WEARABLE: verify visual parameters used here + F32 param_weight = param->getWeight(); + alpha_mask_crc.update((U8*)¶m_weight, sizeof(F32)); + } + + U32 cache_index = alpha_mask_crc.getCRC(); + + alpha_cache_t::const_iterator iter2 = mAlphaCache.find(cache_index); + return (iter2 == mAlphaCache.end()) ? 0 : iter2->second; +} + +BOOL LLTexLayer::findNetColor(LLColor4* net_color) const +{ + // Color is either: + // * one or more color parameters (weighted colors) (which may make use of a global color or fixed color) + // * a reference to a global color + // * a fixed color with non-zero alpha + // * opaque white (the default) + + if( !mParamColorList.empty() ) + { + if( !getGlobalColor().empty() ) + { + net_color->setVec( mTexLayerSet->getAvatarAppearance()->getGlobalColor( getInfo()->mGlobalColor ) ); + } + else if (getInfo()->mFixedColor.mV[VW]) + { + net_color->setVec( getInfo()->mFixedColor ); + } + else + { + net_color->setVec( 0.f, 0.f, 0.f, 0.f ); + } + + calculateTexLayerColor(mParamColorList, *net_color); + return TRUE; + } + + if( !getGlobalColor().empty() ) + { + net_color->setVec( mTexLayerSet->getAvatarAppearance()->getGlobalColor( getGlobalColor() ) ); + return TRUE; + } + + if( getInfo()->mFixedColor.mV[VW] ) + { + net_color->setVec( getInfo()->mFixedColor ); + return TRUE; + } + + net_color->setToWhite(); + + return FALSE; // No need to draw a separate colored polygon +} + +BOOL LLTexLayer::blendAlphaTexture(S32 x, S32 y, S32 width, S32 height) +{ + BOOL success = TRUE; + + gGL.flush(); + + bool use_shaders = LLGLSLShader::sNoFixedFunction; + + if( !getInfo()->mStaticImageFileName.empty() ) + { + LLGLTexture* tex = LLTexLayerStaticImageList::getInstance()->getTexture( getInfo()->mStaticImageFileName, getInfo()->mStaticImageIsMask ); + if( tex ) + { + LLGLSNoAlphaTest gls_no_alpha_test; + if (use_shaders) + { + gAlphaMaskProgram.setMinimumAlpha(0.f); + } + gGL.getTexUnit(0)->bind(tex, TRUE); + gl_rect_2d_simple_tex( width, height ); + gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE); + if (use_shaders) + { + gAlphaMaskProgram.setMinimumAlpha(0.004f); + } + } + else + { + success = FALSE; + } + } + else + { + if (getInfo()->mLocalTexture >=0 && getInfo()->mLocalTexture < TEX_NUM_INDICES) + { + LLGLTexture* tex = mLocalTextureObject->getImage(); + if (tex) + { + LLGLSNoAlphaTest gls_no_alpha_test; + if (use_shaders) + { + gAlphaMaskProgram.setMinimumAlpha(0.f); + } + gGL.getTexUnit(0)->bind(tex); + gl_rect_2d_simple_tex( width, height ); + gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE); + success = TRUE; + if (use_shaders) + { + gAlphaMaskProgram.setMinimumAlpha(0.004f); + } + } + } + } + + return success; +} + +/*virtual*/ void LLTexLayer::gatherAlphaMasks(U8 *data, S32 originX, S32 originY, S32 width, S32 height) +{ + addAlphaMask(data, originX, originY, width, height); +} + +static LLFastTimer::DeclareTimer FTM_RENDER_MORPH_MASKS("renderMorphMasks"); +void LLTexLayer::renderMorphMasks(S32 x, S32 y, S32 width, S32 height, const LLColor4 &layer_color, bool force_render) +{ + if (!force_render && !hasMorph()) + { + lldebugs << "skipping renderMorphMasks for " << getUUID() << llendl; + return; + } + LLFastTimer t(FTM_RENDER_MORPH_MASKS); + BOOL success = TRUE; + + llassert( !mParamAlphaList.empty() ); + + bool use_shaders = LLGLSLShader::sNoFixedFunction; + + if (use_shaders) + { + gAlphaMaskProgram.setMinimumAlpha(0.f); + } + + gGL.setColorMask(false, true); + + LLTexLayerParamAlpha* first_param = *mParamAlphaList.begin(); + // Note: if the first param is a mulitply, multiply against the current buffer's alpha + if( !first_param || !first_param->getMultiplyBlend() ) + { + LLGLDisable no_alpha(GL_ALPHA_TEST); + gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE); + + // Clear the alpha + gGL.flush(); + gGL.setSceneBlendType(LLRender::BT_REPLACE); + + gGL.color4f( 0.f, 0.f, 0.f, 0.f ); + gl_rect_2d_simple( width, height ); + } + + // Accumulate alphas + LLGLSNoAlphaTest gls_no_alpha_test; + gGL.color4f( 1.f, 1.f, 1.f, 1.f ); + for (param_alpha_list_t::iterator iter = mParamAlphaList.begin(); iter != mParamAlphaList.end(); iter++) + { + LLTexLayerParamAlpha* param = *iter; + success &= param->render( x, y, width, height ); + if (!success && !force_render) + { + lldebugs << "Failed to render param " << param->getID() << " ; skipping morph mask." << llendl; + return; + } + } + + // Approximates a min() function + gGL.flush(); + gGL.setSceneBlendType(LLRender::BT_MULT_ALPHA); + + // Accumulate the alpha component of the texture + if( getInfo()->mLocalTexture != -1 ) + { + LLGLTexture* tex = mLocalTextureObject->getImage(); + if( tex && (tex->getComponents() == 4) ) + { + LLGLSNoAlphaTest gls_no_alpha_test; + LLTexUnit::eTextureAddressMode old_mode = tex->getAddressMode(); + + gGL.getTexUnit(0)->bind(tex, TRUE); + gGL.getTexUnit(0)->setTextureAddressMode(LLTexUnit::TAM_CLAMP); + + gl_rect_2d_simple_tex( width, height ); + + gGL.getTexUnit(0)->setTextureAddressMode(old_mode); + gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE); + } + } + + if( !getInfo()->mStaticImageFileName.empty() && getInfo()->mStaticImageIsMask ) + { + LLGLTexture* tex = LLTexLayerStaticImageList::getInstance()->getTexture(getInfo()->mStaticImageFileName, getInfo()->mStaticImageIsMask); + if( tex ) + { + if( (tex->getComponents() == 4) || (tex->getComponents() == 1) ) + { + LLGLSNoAlphaTest gls_no_alpha_test; + gGL.getTexUnit(0)->bind(tex, TRUE); + gl_rect_2d_simple_tex( width, height ); + gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE); + } + else + { + llwarns << "Skipping rendering of " << getInfo()->mStaticImageFileName + << "; expected 1 or 4 components." << llendl; + } + } + } + + // Draw a rectangle with the layer color to multiply the alpha by that color's alpha. + // Note: we're still using gGL.blendFunc( GL_DST_ALPHA, GL_ZERO ); + if ( !is_approx_equal(layer_color.mV[VW], 1.f) ) + { + LLGLDisable no_alpha(GL_ALPHA_TEST); + gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE); + gGL.color4fv(layer_color.mV); + gl_rect_2d_simple( width, height ); + } + + if (use_shaders) + { + gAlphaMaskProgram.setMinimumAlpha(0.004f); + } + + LLGLSUIDefault gls_ui; + + gGL.setColorMask(true, true); + + if (hasMorph() && success) + { + LLCRC alpha_mask_crc; + const LLUUID& uuid = getUUID(); + alpha_mask_crc.update((U8*)(&uuid.mData), UUID_BYTES); + + for (param_alpha_list_t::const_iterator iter = mParamAlphaList.begin(); iter != mParamAlphaList.end(); iter++) + { + const LLTexLayerParamAlpha* param = *iter; + F32 param_weight = param->getWeight(); + alpha_mask_crc.update((U8*)¶m_weight, sizeof(F32)); + } + + U32 cache_index = alpha_mask_crc.getCRC(); + U8* alpha_data = get_if_there(mAlphaCache,cache_index,(U8*)NULL); + if (!alpha_data) + { + // clear out a slot if we have filled our cache + S32 max_cache_entries = getTexLayerSet()->getAvatarAppearance()->isSelf() ? 4 : 1; + while ((S32)mAlphaCache.size() >= max_cache_entries) + { + alpha_cache_t::iterator iter2 = mAlphaCache.begin(); // arbitrarily grab the first entry + alpha_data = iter2->second; + delete [] alpha_data; + mAlphaCache.erase(iter2); + } + alpha_data = new U8[width * height]; + mAlphaCache[cache_index] = alpha_data; + glReadPixels(x, y, width, height, GL_ALPHA, GL_UNSIGNED_BYTE, alpha_data); + } + + getTexLayerSet()->getAvatarAppearance()->dirtyMesh(); + + mMorphMasksValid = TRUE; + getTexLayerSet()->applyMorphMask(alpha_data, width, height, 1); + } +} + +static LLFastTimer::DeclareTimer FTM_ADD_ALPHA_MASK("addAlphaMask"); +void LLTexLayer::addAlphaMask(U8 *data, S32 originX, S32 originY, S32 width, S32 height) +{ + LLFastTimer t(FTM_ADD_ALPHA_MASK); + S32 size = width * height; + const U8* alphaData = getAlphaData(); + if (!alphaData && hasAlphaParams()) + { + LLColor4 net_color; + findNetColor( &net_color ); + // TODO: eliminate need for layer morph mask valid flag + invalidateMorphMasks(); + const bool force_render = false; + renderMorphMasks(originX, originY, width, height, net_color, force_render); + alphaData = getAlphaData(); + } + if (alphaData) + { + for( S32 i = 0; i < size; i++ ) + { + U8 curAlpha = data[i]; + U16 resultAlpha = curAlpha; + resultAlpha *= ( ((U16)alphaData[i]) + 1); + resultAlpha = resultAlpha >> 8; + data[i] = (U8)resultAlpha; + } + } +} + +/*virtual*/ BOOL LLTexLayer::isInvisibleAlphaMask() const +{ + if (mLocalTextureObject) + { + if (mLocalTextureObject->getID() == IMG_INVISIBLE) + { + return TRUE; + } + } + + return FALSE; +} + +LLUUID LLTexLayer::getUUID() const +{ + LLUUID uuid; + if( getInfo()->mLocalTexture != -1 ) + { + LLGLTexture* tex = mLocalTextureObject->getImage(); + if (tex) + { + uuid = mLocalTextureObject->getID(); + } + } + if( !getInfo()->mStaticImageFileName.empty() ) + { + LLGLTexture* tex = LLTexLayerStaticImageList::getInstance()->getTexture(getInfo()->mStaticImageFileName, getInfo()->mStaticImageIsMask); + if( tex ) + { + uuid = tex->getID(); + } + } + return uuid; +} + + +//----------------------------------------------------------------------------- +// LLTexLayerTemplate +// A single texture layer, consisting of: +// * color, consisting of either +// * one or more color parameters (weighted colors) +// * a reference to a global color +// * a fixed color with non-zero alpha +// * opaque white (the default) +// * (optional) a texture defined by either +// * a GUID +// * a texture entry index (TE) +// * (optional) one or more alpha parameters (weighted alpha textures) +//----------------------------------------------------------------------------- +LLTexLayerTemplate::LLTexLayerTemplate(LLTexLayerSet* layer_set, LLAvatarAppearance* const appearance) : + LLTexLayerInterface(layer_set), + mAvatarAppearance( appearance ) +{ +} + +LLTexLayerTemplate::LLTexLayerTemplate(const LLTexLayerTemplate &layer) : + LLTexLayerInterface(layer), + mAvatarAppearance(layer.getAvatarAppearance()) +{ +} + +LLTexLayerTemplate::~LLTexLayerTemplate() +{ +} + +//----------------------------------------------------------------------------- +// setInfo +//----------------------------------------------------------------------------- + +/*virtual*/ BOOL LLTexLayerTemplate::setInfo(const LLTexLayerInfo* info, LLWearable* wearable ) +{ + return LLTexLayerInterface::setInfo(info, wearable); +} + +U32 LLTexLayerTemplate::updateWearableCache() const +{ + mWearableCache.clear(); + + LLWearableType::EType wearable_type = getWearableType(); + if (LLWearableType::WT_INVALID == wearable_type) + { + //this isn't a cloneable layer + return 0; + } + U32 num_wearables = getAvatarAppearance()->getWearableData()->getWearableCount(wearable_type); + U32 added = 0; + for (U32 i = 0; i < num_wearables; i++) + { + LLWearable* wearable = getAvatarAppearance()->getWearableData()->getWearable(wearable_type, i); + if (!wearable) + { + continue; + } + mWearableCache.push_back(wearable); + added++; + } + return added; +} +LLTexLayer* LLTexLayerTemplate::getLayer(U32 i) const +{ + if (mWearableCache.size() <= i) + { + return NULL; + } + LLWearable *wearable = mWearableCache[i]; + LLLocalTextureObject *lto = NULL; + LLTexLayer *layer = NULL; + if (wearable) + { + lto = wearable->getLocalTextureObject(mInfo->mLocalTexture); + } + if (lto) + { + layer = lto->getTexLayer(getName()); + } + return layer; +} + +/*virtual*/ BOOL LLTexLayerTemplate::render(S32 x, S32 y, S32 width, S32 height) +{ + if(!mInfo) + { + return FALSE ; + } + + BOOL success = TRUE; + updateWearableCache(); + for (wearable_cache_t::const_iterator iter = mWearableCache.begin(); iter!= mWearableCache.end(); iter++) + { + LLWearable* wearable = NULL; + LLLocalTextureObject *lto = NULL; + LLTexLayer *layer = NULL; + wearable = *iter; + if (wearable) + { + lto = wearable->getLocalTextureObject(mInfo->mLocalTexture); + } + if (lto) + { + layer = lto->getTexLayer(getName()); + } + if (layer) + { + wearable->writeToAvatar(mAvatarAppearance); + layer->setLTO(lto); + success &= layer->render(x,y,width,height); + } + } + + return success; +} + +/*virtual*/ BOOL LLTexLayerTemplate::blendAlphaTexture( S32 x, S32 y, S32 width, S32 height) // Multiplies a single alpha texture against the frame buffer +{ + BOOL success = TRUE; + U32 num_wearables = updateWearableCache(); + for (U32 i = 0; i < num_wearables; i++) + { + LLTexLayer *layer = getLayer(i); + if (layer) + { + success &= layer->blendAlphaTexture(x,y,width,height); + } + } + return success; +} + +/*virtual*/ void LLTexLayerTemplate::gatherAlphaMasks(U8 *data, S32 originX, S32 originY, S32 width, S32 height) +{ + U32 num_wearables = updateWearableCache(); + for (U32 i = 0; i < num_wearables; i++) + { + LLTexLayer *layer = getLayer(i); + if (layer) + { + layer->addAlphaMask(data, originX, originY, width, height); + } + } +} + +/*virtual*/ void LLTexLayerTemplate::setHasMorph(BOOL newval) +{ + mHasMorph = newval; + U32 num_wearables = updateWearableCache(); + for (U32 i = 0; i < num_wearables; i++) + { + LLTexLayer *layer = getLayer(i); + if (layer) + { + layer->setHasMorph(newval); + } + } +} + +/*virtual*/ void LLTexLayerTemplate::deleteCaches() +{ + U32 num_wearables = updateWearableCache(); + for (U32 i = 0; i < num_wearables; i++) + { + LLTexLayer *layer = getLayer(i); + if (layer) + { + layer->deleteCaches(); + } + } +} + +/*virtual*/ BOOL LLTexLayerTemplate::isInvisibleAlphaMask() const +{ + U32 num_wearables = updateWearableCache(); + for (U32 i = 0; i < num_wearables; i++) + { + LLTexLayer *layer = getLayer(i); + if (layer) + { + if (layer->isInvisibleAlphaMask()) + { + return TRUE; + } + } + } + + return FALSE; +} + + +//----------------------------------------------------------------------------- +// finds a specific layer based on a passed in name +//----------------------------------------------------------------------------- +LLTexLayerInterface* LLTexLayerSet::findLayerByName(const std::string& name) +{ + for (layer_list_t::iterator iter = mLayerList.begin(); iter != mLayerList.end(); iter++ ) + { + LLTexLayerInterface* layer = *iter; + if (layer->getName() == name) + { + return layer; + } + } + for (layer_list_t::iterator iter = mMaskLayerList.begin(); iter != mMaskLayerList.end(); iter++ ) + { + LLTexLayerInterface* layer = *iter; + if (layer->getName() == name) + { + return layer; + } + } + return NULL; +} + +void LLTexLayerSet::cloneTemplates(LLLocalTextureObject *lto, LLAvatarAppearanceDefines::ETextureIndex tex_index, LLWearable *wearable) +{ + // initialize all texlayers with this texture type for this LTO + for( LLTexLayerSet::layer_list_t::iterator iter = mLayerList.begin(); iter != mLayerList.end(); iter++ ) + { + LLTexLayerTemplate* layer = (LLTexLayerTemplate*)*iter; + if (layer->getInfo()->getLocalTexture() == (S32) tex_index) + { + lto->addTexLayer(layer, wearable); + } + } + for( LLTexLayerSet::layer_list_t::iterator iter = mMaskLayerList.begin(); iter != mMaskLayerList.end(); iter++ ) + { + LLTexLayerTemplate* layer = (LLTexLayerTemplate*)*iter; + if (layer->getInfo()->getLocalTexture() == (S32) tex_index) + { + lto->addTexLayer(layer, wearable); + } + } +} +//----------------------------------------------------------------------------- +// LLTexLayerStaticImageList +//----------------------------------------------------------------------------- + +LLTexLayerStaticImageList::LLTexLayerStaticImageList() : + mGLBytes(0), + mTGABytes(0), + mImageNames(16384) +{ +} + +LLTexLayerStaticImageList::~LLTexLayerStaticImageList() +{ + deleteCachedImages(); +} + +void LLTexLayerStaticImageList::dumpByteCount() const +{ + llinfos << "Avatar Static Textures " << + "KB GL:" << (mGLBytes / 1024) << + "KB TGA:" << (mTGABytes / 1024) << "KB" << llendl; +} + +void LLTexLayerStaticImageList::deleteCachedImages() +{ + if( mGLBytes || mTGABytes ) + { + llinfos << "Clearing Static Textures " << + "KB GL:" << (mGLBytes / 1024) << + "KB TGA:" << (mTGABytes / 1024) << "KB" << llendl; + + //mStaticImageLists uses LLPointers, clear() will cause deletion + + mStaticImageListTGA.clear(); + mStaticImageList.clear(); + + mGLBytes = 0; + mTGABytes = 0; + } +} + +// Note: in general, for a given image image we'll call either getImageTga() or getTexture(). +// We call getImageTga() if the image is used as an alpha gradient. +// Otherwise, we call getTexture() + +// Returns an LLImageTGA that contains the encoded data from a tga file named file_name. +// Caches the result to speed identical subsequent requests. +static LLFastTimer::DeclareTimer FTM_LOAD_STATIC_TGA("getImageTGA"); +LLImageTGA* LLTexLayerStaticImageList::getImageTGA(const std::string& file_name) +{ + LLFastTimer t(FTM_LOAD_STATIC_TGA); + const char *namekey = mImageNames.addString(file_name); + image_tga_map_t::const_iterator iter = mStaticImageListTGA.find(namekey); + if( iter != mStaticImageListTGA.end() ) + { + return iter->second; + } + else + { + std::string path; + path = gDirUtilp->getExpandedFilename(LL_PATH_CHARACTER,file_name); + LLPointer<LLImageTGA> image_tga = new LLImageTGA( path ); + if( image_tga->getDataSize() > 0 ) + { + mStaticImageListTGA[ namekey ] = image_tga; + mTGABytes += image_tga->getDataSize(); + return image_tga; + } + else + { + return NULL; + } + } +} + +// Returns a GL Image (without a backing ImageRaw) that contains the decoded data from a tga file named file_name. +// Caches the result to speed identical subsequent requests. +static LLFastTimer::DeclareTimer FTM_LOAD_STATIC_TEXTURE("getTexture"); +LLGLTexture* LLTexLayerStaticImageList::getTexture(const std::string& file_name, BOOL is_mask) +{ + LLFastTimer t(FTM_LOAD_STATIC_TEXTURE); + LLPointer<LLGLTexture> tex; + const char *namekey = mImageNames.addString(file_name); + + texture_map_t::const_iterator iter = mStaticImageList.find(namekey); + if( iter != mStaticImageList.end() ) + { + tex = iter->second; + } + else + { + llassert(gTextureManagerBridgep); + tex = gTextureManagerBridgep->getLocalTexture( FALSE ); + LLPointer<LLImageRaw> image_raw = new LLImageRaw; + if( loadImageRaw( file_name, image_raw ) ) + { + if( (image_raw->getComponents() == 1) && is_mask ) + { + // Convert grayscale alpha masks from single channel into RGBA. + // Fill RGB with black to allow fixed function gl calls + // to match shader implementation. + LLPointer<LLImageRaw> alpha_image_raw = image_raw; + image_raw = new LLImageRaw(image_raw->getWidth(), + image_raw->getHeight(), + 4); + + image_raw->copyUnscaledAlphaMask(alpha_image_raw, LLColor4U::black); + } + tex->createGLTexture(0, image_raw, 0, TRUE, LLGLTexture::LOCAL); + + gGL.getTexUnit(0)->bind(tex); + tex->setAddressMode(LLTexUnit::TAM_CLAMP); + + mStaticImageList [ namekey ] = tex; + mGLBytes += (S32)tex->getWidth() * tex->getHeight() * tex->getComponents(); + } + else + { + tex = NULL; + } + } + + return tex; +} + +// Reads a .tga file, decodes it, and puts the decoded data in image_raw. +// Returns TRUE if successful. +static LLFastTimer::DeclareTimer FTM_LOAD_IMAGE_RAW("loadImageRaw"); +BOOL LLTexLayerStaticImageList::loadImageRaw(const std::string& file_name, LLImageRaw* image_raw) +{ + LLFastTimer t(FTM_LOAD_IMAGE_RAW); + BOOL success = FALSE; + std::string path; + path = gDirUtilp->getExpandedFilename(LL_PATH_CHARACTER,file_name); + LLPointer<LLImageTGA> image_tga = new LLImageTGA( path ); + if( image_tga->getDataSize() > 0 ) + { + // Copy data from tga to raw. + success = image_tga->decode( image_raw ); + } + + return success; +} + |