/** * @file lltexlayerparams.cpp * @brief Texture layer parameters * * $LicenseInfo:firstyear=2002&license=viewerlgpl$ * 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 "lltexlayerparams.h" #include "llavatarappearance.h" #include "llimagetga.h" #include "llquantize.h" #include "lltexlayer.h" #include "lltexturemanagerbridge.h" #include "llrender2dutils.h" #include "llwearable.h" //----------------------------------------------------------------------------- // LLTexLayerParam //----------------------------------------------------------------------------- LLTexLayerParam::LLTexLayerParam(LLTexLayerInterface *layer) : mTexLayer(layer), mAvatarAppearance(NULL) { if (mTexLayer != NULL) { mAvatarAppearance = mTexLayer->getTexLayerSet()->getAvatarAppearance(); } else { llerrs << "LLTexLayerParam constructor passed with NULL reference for layer!" << llendl; } } LLTexLayerParam::LLTexLayerParam(LLAvatarAppearance *appearance) : mTexLayer(NULL), mAvatarAppearance(appearance) { } BOOL LLTexLayerParam::setInfo(LLViewerVisualParamInfo *info, BOOL add_to_appearance) { LLViewerVisualParam::setInfo(info); if (add_to_appearance) { mAvatarAppearance->addVisualParam( this); } return TRUE; } //----------------------------------------------------------------------------- // LLTexLayerParamAlpha //----------------------------------------------------------------------------- // static LLTexLayerParamAlpha::param_alpha_ptr_list_t LLTexLayerParamAlpha::sInstances; // static void LLTexLayerParamAlpha::dumpCacheByteCount() { S32 gl_bytes = 0; getCacheByteCount( &gl_bytes); llinfos << "Processed Alpha Texture Cache GL:" << (gl_bytes/1024) << "KB" << llendl; } // static void LLTexLayerParamAlpha::getCacheByteCount(S32* gl_bytes) { *gl_bytes = 0; for (param_alpha_ptr_list_t::iterator iter = sInstances.begin(); iter != sInstances.end(); iter++) { LLTexLayerParamAlpha* instance = *iter; LLGLTexture* tex = instance->mCachedProcessedTexture; if (tex) { S32 bytes = (S32)tex->getWidth() * tex->getHeight() * tex->getComponents(); if (tex->hasGLTexture()) { *gl_bytes += bytes; } } } } LLTexLayerParamAlpha::LLTexLayerParamAlpha(LLTexLayerInterface* layer) : LLTexLayerParam(layer), mCachedProcessedTexture(NULL), mNeedsCreateTexture(FALSE), mStaticImageInvalid(FALSE), mAvgDistortionVec(1.f, 1.f, 1.f), mCachedEffectiveWeight(0.f) { sInstances.push_front(this); } LLTexLayerParamAlpha::LLTexLayerParamAlpha(LLAvatarAppearance* appearance) : LLTexLayerParam(appearance), mCachedProcessedTexture(NULL), mNeedsCreateTexture(FALSE), mStaticImageInvalid(FALSE), mAvgDistortionVec(1.f, 1.f, 1.f), mCachedEffectiveWeight(0.f) { sInstances.push_front(this); } LLTexLayerParamAlpha::~LLTexLayerParamAlpha() { deleteCaches(); sInstances.remove(this); } /*virtual*/ LLViewerVisualParam* LLTexLayerParamAlpha::cloneParam(LLWearable* wearable) const { LLTexLayerParamAlpha *new_param = new LLTexLayerParamAlpha(mTexLayer); *new_param = *this; return new_param; } void LLTexLayerParamAlpha::deleteCaches() { mStaticImageTGA = NULL; // deletes image mCachedProcessedTexture = NULL; mStaticImageRaw = NULL; mNeedsCreateTexture = FALSE; } BOOL LLTexLayerParamAlpha::getMultiplyBlend() const { return ((LLTexLayerParamAlphaInfo *)getInfo())->mMultiplyBlend; } void LLTexLayerParamAlpha::setWeight(F32 weight, BOOL upload_bake) { if (mIsAnimating || mTexLayer == NULL) { return; } F32 min_weight = getMinWeight(); F32 max_weight = getMaxWeight(); F32 new_weight = llclamp(weight, min_weight, max_weight); U8 cur_u8 = F32_to_U8(mCurWeight, min_weight, max_weight); U8 new_u8 = F32_to_U8(new_weight, min_weight, max_weight); if (cur_u8 != new_u8) { mCurWeight = new_weight; if ((mAvatarAppearance->getSex() & getSex()) && (mAvatarAppearance->isSelf() && !mIsDummy)) // only trigger a baked texture update if we're changing a wearable's visual param. { if (!mAvatarAppearance->isUsingBakedTextures()) { upload_bake = FALSE; } mAvatarAppearance->invalidateComposite(mTexLayer->getTexLayerSet(), upload_bake); mTexLayer->invalidateMorphMasks(); } } } void LLTexLayerParamAlpha::setAnimationTarget(F32 target_value, BOOL upload_bake) { // do not animate dummy parameters if (mIsDummy) { setWeight(target_value, upload_bake); return; } mTargetWeight = target_value; setWeight(target_value, upload_bake); mIsAnimating = TRUE; if (mNext) { mNext->setAnimationTarget(target_value, upload_bake); } } void LLTexLayerParamAlpha::animate(F32 delta, BOOL upload_bake) { if (mNext) { mNext->animate(delta, upload_bake); } } BOOL LLTexLayerParamAlpha::getSkip() const { if (!mTexLayer) { return TRUE; } const LLAvatarAppearance *appearance = mTexLayer->getTexLayerSet()->getAvatarAppearance(); if (((LLTexLayerParamAlphaInfo *)getInfo())->mSkipIfZeroWeight) { F32 effective_weight = (appearance->getSex() & getSex()) ? mCurWeight : getDefaultWeight(); if (is_approx_zero(effective_weight)) { return TRUE; } } LLWearableType::EType type = (LLWearableType::EType)getWearableType(); if ((type != LLWearableType::WT_INVALID) && !appearance->isWearingWearableType(type)) { return TRUE; } return FALSE; } BOOL LLTexLayerParamAlpha::render(S32 x, S32 y, S32 width, S32 height) { BOOL success = TRUE; if (!mTexLayer) { return success; } F32 effective_weight = (mTexLayer->getTexLayerSet()->getAvatarAppearance()->getSex() & getSex()) ? mCurWeight : getDefaultWeight(); BOOL weight_changed = effective_weight != mCachedEffectiveWeight; if (getSkip()) { return success; } LLTexLayerParamAlphaInfo *info = (LLTexLayerParamAlphaInfo *)getInfo(); gGL.flush(); if (info->mMultiplyBlend) { gGL.blendFunc(LLRender::BF_DEST_ALPHA, LLRender::BF_ZERO); // Multiplication: approximates a min() function } else { gGL.setSceneBlendType(LLRender::BT_ADD); // Addition: approximates a max() function } if (!info->mStaticImageFileName.empty() && !mStaticImageInvalid) { if (mStaticImageTGA.isNull()) { // Don't load the image file until we actually need it the first time. Like now. mStaticImageTGA = LLTexLayerStaticImageList::getInstance()->getImageTGA(info->mStaticImageFileName); // We now have something in one of our caches LLTexLayerSet::sHasCaches |= mStaticImageTGA.notNull() ? TRUE : FALSE; if (mStaticImageTGA.isNull()) { llwarns << "Unable to load static file: " << info->mStaticImageFileName << llendl; mStaticImageInvalid = TRUE; // don't try again. return FALSE; } } const S32 image_tga_width = mStaticImageTGA->getWidth(); const S32 image_tga_height = mStaticImageTGA->getHeight(); if (!mCachedProcessedTexture || (mCachedProcessedTexture->getWidth() != image_tga_width) || (mCachedProcessedTexture->getHeight() != image_tga_height) || (weight_changed)) { // llinfos << "Building Cached Alpha: " << mName << ": (" << mStaticImageRaw->getWidth() << ", " << mStaticImageRaw->getHeight() << ") " << effective_weight << llendl; mCachedEffectiveWeight = effective_weight; if (!mCachedProcessedTexture) { llassert(gTextureManagerBridgep); mCachedProcessedTexture = gTextureManagerBridgep->getLocalTexture(image_tga_width, image_tga_height, 1, FALSE); // We now have something in one of our caches LLTexLayerSet::sHasCaches |= mCachedProcessedTexture ? TRUE : FALSE; mCachedProcessedTexture->setExplicitFormat(GL_ALPHA8, GL_ALPHA); } // Applies domain and effective weight to data as it is decoded. Also resizes the raw image if needed. mStaticImageRaw = NULL; mStaticImageRaw = new LLImageRaw; mStaticImageTGA->decodeAndProcess(mStaticImageRaw, info->mDomain, effective_weight); mNeedsCreateTexture = TRUE; } if (mCachedProcessedTexture) { { // Create the GL texture, and then hang onto it for future use. if (mNeedsCreateTexture) { mCachedProcessedTexture->createGLTexture(0, mStaticImageRaw); mNeedsCreateTexture = FALSE; gGL.getTexUnit(0)->bind(mCachedProcessedTexture); mCachedProcessedTexture->setAddressMode(LLTexUnit::TAM_CLAMP); } LLGLSNoAlphaTest gls_no_alpha_test; gGL.getTexUnit(0)->bind(mCachedProcessedTexture); gl_rect_2d_simple_tex(width, height); gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE); stop_glerror(); } } // Don't keep the cache for other people's avatars // (It's not really a "cache" in that case, but the logic is the same) if (!mAvatarAppearance->isSelf()) { mCachedProcessedTexture = NULL; } } else { LLGLDisable no_alpha(GL_ALPHA_TEST); gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE); gGL.color4f(0.f, 0.f, 0.f, effective_weight); gl_rect_2d_simple(width, height); } return success; } //----------------------------------------------------------------------------- // LLTexLayerParamAlphaInfo //----------------------------------------------------------------------------- LLTexLayerParamAlphaInfo::LLTexLayerParamAlphaInfo() : mMultiplyBlend(FALSE), mSkipIfZeroWeight(FALSE), mDomain(0.f) { } BOOL LLTexLayerParamAlphaInfo::parseXml(LLXmlTreeNode* node) { llassert(node->hasName("param") && node->getChildByName("param_alpha")); if (!LLViewerVisualParamInfo::parseXml(node)) return FALSE; LLXmlTreeNode* param_alpha_node = node->getChildByName("param_alpha"); if (!param_alpha_node) { return FALSE; } static LLStdStringHandle tga_file_string = LLXmlTree::addAttributeString("tga_file"); if (param_alpha_node->getFastAttributeString(tga_file_string, mStaticImageFileName)) { // Don't load the image file until it's actually needed. } // else // { // llwarns << " element is missing tga_file attribute." << llendl; // } static LLStdStringHandle multiply_blend_string = LLXmlTree::addAttributeString("multiply_blend"); param_alpha_node->getFastAttributeBOOL(multiply_blend_string, mMultiplyBlend); static LLStdStringHandle skip_if_zero_string = LLXmlTree::addAttributeString("skip_if_zero"); param_alpha_node->getFastAttributeBOOL(skip_if_zero_string, mSkipIfZeroWeight); static LLStdStringHandle domain_string = LLXmlTree::addAttributeString("domain"); param_alpha_node->getFastAttributeF32(domain_string, mDomain); return TRUE; } LLTexLayerParamColor::LLTexLayerParamColor(LLTexLayerInterface* layer) : LLTexLayerParam(layer), mAvgDistortionVec(1.f, 1.f, 1.f) { } LLTexLayerParamColor::LLTexLayerParamColor(LLAvatarAppearance *appearance) : LLTexLayerParam(appearance), mAvgDistortionVec(1.f, 1.f, 1.f) { } LLTexLayerParamColor::~LLTexLayerParamColor() { } /*virtual*/ LLViewerVisualParam* LLTexLayerParamColor::cloneParam(LLWearable* wearable) const { LLTexLayerParamColor *new_param = new LLTexLayerParamColor(mTexLayer); *new_param = *this; return new_param; } LLColor4 LLTexLayerParamColor::getNetColor() const { const LLTexLayerParamColorInfo *info = (LLTexLayerParamColorInfo *)getInfo(); llassert(info->mNumColors >= 1); F32 effective_weight = (mAvatarAppearance && (mAvatarAppearance->getSex() & getSex())) ? mCurWeight : getDefaultWeight(); S32 index_last = info->mNumColors - 1; F32 scaled_weight = effective_weight * index_last; S32 index_start = (S32) scaled_weight; S32 index_end = index_start + 1; if (index_start == index_last) { return info->mColors[index_last]; } else { F32 weight = scaled_weight - index_start; const LLColor4 *start = &info->mColors[ index_start ]; const LLColor4 *end = &info->mColors[ index_end ]; return LLColor4((1.f - weight) * start->mV[VX] + weight * end->mV[VX], (1.f - weight) * start->mV[VY] + weight * end->mV[VY], (1.f - weight) * start->mV[VZ] + weight * end->mV[VZ], (1.f - weight) * start->mV[VW] + weight * end->mV[VW]); } } void LLTexLayerParamColor::setWeight(F32 weight, BOOL upload_bake) { if (mIsAnimating) { return; } const LLTexLayerParamColorInfo *info = (LLTexLayerParamColorInfo *)getInfo(); F32 min_weight = getMinWeight(); F32 max_weight = getMaxWeight(); F32 new_weight = llclamp(weight, min_weight, max_weight); U8 cur_u8 = F32_to_U8(mCurWeight, min_weight, max_weight); U8 new_u8 = F32_to_U8(new_weight, min_weight, max_weight); if (cur_u8 != new_u8) { mCurWeight = new_weight; if (info->mNumColors <= 0) { // This will happen when we set the default weight the first time. return; } if ((mAvatarAppearance->getSex() & getSex()) && (mAvatarAppearance->isSelf() && !mIsDummy)) // only trigger a baked texture update if we're changing a wearable's visual param. { onGlobalColorChanged(upload_bake); if (mTexLayer) { mAvatarAppearance->invalidateComposite(mTexLayer->getTexLayerSet(), upload_bake); } } // llinfos << "param " << mName << " = " << new_weight << llendl; } } void LLTexLayerParamColor::setAnimationTarget(F32 target_value, BOOL upload_bake) { // set value first then set interpolating flag to ignore further updates mTargetWeight = target_value; setWeight(target_value, upload_bake); mIsAnimating = TRUE; if (mNext) { mNext->setAnimationTarget(target_value, upload_bake); } } void LLTexLayerParamColor::animate(F32 delta, BOOL upload_bake) { if (mNext) { mNext->animate(delta, upload_bake); } } //----------------------------------------------------------------------------- // LLTexLayerParamColorInfo //----------------------------------------------------------------------------- LLTexLayerParamColorInfo::LLTexLayerParamColorInfo() : mOperation(LLTexLayerParamColor::OP_ADD), mNumColors(0) { } BOOL LLTexLayerParamColorInfo::parseXml(LLXmlTreeNode *node) { llassert(node->hasName("param") && node->getChildByName("param_color")); if (!LLViewerVisualParamInfo::parseXml(node)) return FALSE; LLXmlTreeNode* param_color_node = node->getChildByName("param_color"); if (!param_color_node) { return FALSE; } std::string op_string; static LLStdStringHandle operation_string = LLXmlTree::addAttributeString("operation"); if (param_color_node->getFastAttributeString(operation_string, op_string)) { LLStringUtil::toLower(op_string); if (op_string == "add") mOperation = LLTexLayerParamColor::OP_ADD; else if (op_string == "multiply") mOperation = LLTexLayerParamColor::OP_MULTIPLY; else if (op_string == "blend") mOperation = LLTexLayerParamColor::OP_BLEND; } mNumColors = 0; LLColor4U color4u; for (LLXmlTreeNode* child = param_color_node->getChildByName("value"); child; child = param_color_node->getNextNamedChild()) { if ((mNumColors < MAX_COLOR_VALUES)) { static LLStdStringHandle color_string = LLXmlTree::addAttributeString("color"); if (child->getFastAttributeColor4U(color_string, color4u)) { mColors[ mNumColors ].setVec(color4u); mNumColors++; } } } if (!mNumColors) { llwarns << " is missing sub-elements" << llendl; return FALSE; } if ((mOperation == LLTexLayerParamColor::OP_BLEND) && (mNumColors != 1)) { llwarns << " with operation\"blend\" must have exactly one " << llendl; return FALSE; } return TRUE; }