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Diffstat (limited to 'indra/llappearance/lltexlayerparams.cpp')
| -rw-r--r-- | indra/llappearance/lltexlayerparams.cpp | 570 |
1 files changed, 570 insertions, 0 deletions
diff --git a/indra/llappearance/lltexlayerparams.cpp b/indra/llappearance/lltexlayerparams.cpp new file mode 100644 index 0000000000..82c92b5a5e --- /dev/null +++ b/indra/llappearance/lltexlayerparams.cpp @@ -0,0 +1,570 @@ +/** + * @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 << "<param_alpha> 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 << "<param_color> is missing <value> sub-elements" << llendl; + return FALSE; + } + + if ((mOperation == LLTexLayerParamColor::OP_BLEND) && (mNumColors != 1)) + { + llwarns << "<param_color> with operation\"blend\" must have exactly one <value>" << llendl; + return FALSE; + } + + return TRUE; +} |