Extracted texture baking system into llappearance library.

1 files changed, 571 insertions, 0 deletions

diff --git a/indra/llappearance/lltexlayerparams.cpp b/indra/llappearance/lltexlayerparams.cpp
new file mode 100644
index 0000000000..c843367357
--- /dev/null
+++ b/indra/llappearance/lltexlayerparams.cpp
@@ -0,0 +1,571 @@
+/** 
+ * @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 "llagentcamera.h"
+#include "llimagetga.h"
+#include "llquantize.h"
+#include "lltexlayer.h"
+#include "lltexturemanagerbridge.h"
+#include "llwearable.h"
+#include "llui.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;
+		LLTexture* 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;
+}