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SingularityViewer/indra/newview/lltexlayer.cpp

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/**
* @file lltexlayer.cpp
* @brief A texture layer. Used for avatars.
*
* $LicenseInfo:firstyear=2002&license=viewergpl$
*
* Copyright (c) 2002-2009, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at
* http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#include "llviewerprecompiledheaders.h"
#include "lltexlayer.h"
#include "imageids.h"
#include "llagent.h"
#include "llagentcamera.h"
#include "llagentwearables.h"
#include "llcrc.h"
#include "lldir.h"
#include "llglheaders.h"
#include "llimagebmp.h"
#include "llimagej2c.h"
#include "llimagetga.h"
#include "llpolymorph.h"
#include "llquantize.h"
#include "llui.h"
#include "llvfile.h"
#include "llviewertexturelist.h"
#include "llviewertexturelist.h"
#include "llviewerregion.h"
#include "llviewerstats.h"
#include "llviewerwindow.h"
#include "llvoavatarself.h"
#include "llxmltree.h"
#include "pipeline.h"
#include "v4coloru.h"
#include "llrender.h"
#include "llassetuploadresponders.h"
#include "lltexlayerparams.h"
//#include "../tools/imdebug/imdebug.h"
using namespace LLVOAvatarDefines;
const S32 MAX_BAKE_UPLOAD_ATTEMPTS = 4;
class LLTexLayerInfo
{
friend class LLTexLayer;
friend class LLTexLayerInterface;
public:
LLTexLayerInfo();
~LLTexLayerInfo();
BOOL parseXml(LLXmlTreeNode* node);
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;
};
//-----------------------------------------------------------------------------
// LLBakedUploadData()
//-----------------------------------------------------------------------------
LLBakedUploadData::LLBakedUploadData(const LLVOAvatarSelf* avatar,
LLTexLayerSet* layerset,
const LLUUID & id ) :
mAvatar(avatar),
mTexLayerSet(layerset),
mID(id),
mStartTime(LLFrameTimer::getTotalTime()) // Record starting time
{
}
//-----------------------------------------------------------------------------
// LLTexLayerSetBuffer
// The composite image that a LLTexLayerSet writes to. Each LLTexLayerSet has one.
//-----------------------------------------------------------------------------
// static
S32 LLTexLayerSetBuffer::sGLByteCount = 0;
LLTexLayerSetBuffer::LLTexLayerSetBuffer(LLTexLayerSet* const owner,
S32 width, S32 height) :
// ORDER_LAST => must render these after the hints are created.
LLViewerDynamicTexture( width, height, 4, LLViewerDynamicTexture::ORDER_LAST, TRUE ),
mUploadPending(FALSE), // Not used for any logic here, just to sync sending of updates
mNeedsUpload(FALSE),
mUploadFailCount(0),
mNeedsUpdate(TRUE),
mUploadAfter( 0 ),
mTexLayerSet(owner)
{
LLTexLayerSetBuffer::sGLByteCount += getSize();
}
LLTexLayerSetBuffer::~LLTexLayerSetBuffer()
{
LLTexLayerSetBuffer::sGLByteCount -= getSize();
destroyGLTexture();
for( S32 order = 0; order < ORDER_COUNT; order++ )
{
LLViewerDynamicTexture::sInstances[order].erase(this); // will fail in all but one case.
}
if (mTexLayerSet->mComposite == this)
{
// Destroy the pointer on this now gone buffer.
mTexLayerSet->mComposite = NULL;
}
}
//virtual
S8 LLTexLayerSetBuffer::getType() const
{
return LLViewerDynamicTexture::LL_TEX_LAYER_SET_BUFFER ;
}
//virtual
void LLTexLayerSetBuffer::restoreGLTexture()
{
LLViewerDynamicTexture::restoreGLTexture() ;
}
//virtual
void LLTexLayerSetBuffer::destroyGLTexture()
{
LLViewerDynamicTexture::destroyGLTexture() ;
}
// static
void LLTexLayerSetBuffer::dumpTotalByteCount()
{
llinfos << "Composite System GL Buffers: " << (LLTexLayerSetBuffer::sGLByteCount/1024) << "KB" << llendl;
}
void LLTexLayerSetBuffer::requestUpdate()
{
mNeedsUpdate = TRUE;
// If we're in the middle of uploading a baked texture, we don't care about it any more.
// When it's downloaded, ignore it.
mUploadID.setNull();
}
void LLTexLayerSetBuffer::requestUpload()
{
if (!mNeedsUpload)
{
mNeedsUpload = TRUE;
mUploadPending = TRUE;
mUploadAfter = 0;
}
}
// request an upload to start delay_usec microseconds from now
void LLTexLayerSetBuffer::requestDelayedUpload(U64 delay_usec)
{
if (!mNeedsUpload)
{
mNeedsUpload = TRUE;
mUploadPending = TRUE;
mUploadAfter = LLFrameTimer::getTotalTime() + delay_usec;
}
}
void LLTexLayerSetBuffer::cancelUpload()
{
mNeedsUpload = FALSE;
mUploadPending = FALSE;
mUploadAfter = 0;
}
// do we need to upload, and do we have sufficient data to create an uploadable composite?
BOOL LLTexLayerSetBuffer::needsUploadNow() const
{
BOOL upload = mNeedsUpload && mTexLayerSet->isLocalTextureDataFinal() && gAgentQueryManager.hasNoPendingQueries();
return (upload && (LLFrameTimer::getTotalTime() > mUploadAfter));
}
void LLTexLayerSetBuffer::pushProjection() const
{
glMatrixMode(GL_PROJECTION);
gGL.pushMatrix();
glLoadIdentity();
glOrtho(0.0f, mFullWidth, 0.0f, mFullHeight, -1.0f, 1.0f);
glMatrixMode(GL_MODELVIEW);
gGL.pushMatrix();
glLoadIdentity();
}
void LLTexLayerSetBuffer::popProjection() const
{
glMatrixMode(GL_PROJECTION);
gGL.popMatrix();
glMatrixMode(GL_MODELVIEW);
gGL.popMatrix();
}
BOOL LLTexLayerSetBuffer::needsRender()
{
llassert(mTexLayerSet->getAvatar() == gAgentAvatarp);
if (!isAgentAvatarValid()) return FALSE;
BOOL upload_now = needsUploadNow();
BOOL needs_update = (mNeedsUpdate || upload_now) && !gAgentAvatarp->getIsAppearanceAnimating();
if (needs_update)
{
BOOL invalid_skirt = gAgentAvatarp->getBakedTE(mTexLayerSet) == TEX_SKIRT_BAKED && !gAgentAvatarp->isWearingWearableType(LLWearableType::WT_SKIRT);
if (invalid_skirt)
{
// we were trying to create a skirt texture
// but we're no longer wearing a skirt...
needs_update = FALSE;
cancelUpload();
}
else
{
needs_update &= ((gAgentAvatarp->isVisible() && !gAgentAvatarp->isCulled()));
needs_update &= mTexLayerSet->isLocalTextureDataAvailable();
}
}
return needs_update;
}
void LLTexLayerSetBuffer::preRender(BOOL clear_depth)
{
// Set up an ortho projection
pushProjection();
// keep depth buffer, we don't need to clear it
LLViewerDynamicTexture::preRender(FALSE);
}
void LLTexLayerSetBuffer::postRender(BOOL success)
{
popProjection();
LLViewerDynamicTexture::postRender(success);
}
BOOL LLTexLayerSetBuffer::render()
{
// Default color mask for tex layer render
gGL.setColorMask(true, true);
// do we need to upload, and do we have sufficient data to create an uploadable composite?
// When do we upload the texture if gAgent.mNumPendingQueries is non-zero?
BOOL upload_now = needsUploadNow();
BOOL success = TRUE;
//hack to use fixed function when updating tex layer sets
bool no_ff = LLGLSLShader::sNoFixedFunction;
static const LLCachedControl<bool> force_fixed_functions("ShyotlUseLegacyTextureBaking",true);
if(force_fixed_functions)
LLGLSLShader::sNoFixedFunction = false;
// Composite the color data
LLGLSUIDefault gls_ui;
success &= mTexLayerSet->render( mOrigin.mX, mOrigin.mY, mFullWidth, mFullHeight );
gGL.flush();
LLGLSLShader::sNoFixedFunction = no_ff;
if( upload_now )
{
if (!success)
{
llinfos << "Failed attempt to bake " << mTexLayerSet->getBodyRegionName() << llendl;
mUploadPending = FALSE;
}
else
{
if (mTexLayerSet->isVisible())
{
doUpload();
}
else
{
mUploadPending = FALSE;
mNeedsUpload = FALSE;
mTexLayerSet->getAvatar()->setNewBakedTexture(mTexLayerSet->getBakedTexIndex(), IMG_INVISIBLE);
llinfos << "Invisible baked texture set for " << mTexLayerSet->getBodyRegionName() << llendl;
}
}
}
// reset GL state
gGL.setColorMask(true, true);
gGL.setSceneBlendType(LLRender::BT_ALPHA);
// we have valid texture data now
mGLTexturep->setGLTextureCreated(true);
mNeedsUpdate = FALSE;
return success;
}
BOOL LLTexLayerSetBuffer::isInitialized(void) const
{
return mGLTexturep.notNull() && mGLTexturep->isGLTextureCreated();
}
BOOL LLTexLayerSetBuffer::uploadPending() const
{
return mUploadPending;
}
BOOL LLTexLayerSetBuffer::requestUpdateImmediate()
{
mNeedsUpdate = TRUE;
BOOL result = FALSE;
if (needsRender())
{
preRender(FALSE);
result = render();
postRender(result);
}
return result;
}
// Create the baked texture, send it out to the server, then wait for it to come
// back so we can switch to using it.
void LLTexLayerSetBuffer::doUpload()
{
llinfos << "Uploading baked " << mTexLayerSet->getBodyRegionName() << llendl;
LLViewerStats::getInstance()->incStat(LLViewerStats::ST_TEX_BAKES);
// Don't need caches since we're baked now. (note: we won't *really* be baked
// until this image is sent to the server and the Avatar Appearance message is received.)
mTexLayerSet->deleteCaches();
// Get the COLOR information from our texture
U8* baked_color_data = new U8[ mFullWidth * mFullHeight * 4 ];
glReadPixels(mOrigin.mX, mOrigin.mY, mFullWidth, mFullHeight, GL_RGBA, GL_UNSIGNED_BYTE, baked_color_data );
stop_glerror();
// Get the MASK information from our texture
LLGLSUIDefault gls_ui;
LLPointer<LLImageRaw> baked_mask_image = new LLImageRaw(mFullWidth, mFullHeight, 1 );
U8* baked_mask_data = baked_mask_image->getData();
mTexLayerSet->gatherMorphMaskAlpha(baked_mask_data, mFullWidth, mFullHeight);
// Create the baked image from our color and mask information
const S32 baked_image_components = 5; // red green blue [bump] clothing
LLPointer<LLImageRaw> baked_image = new LLImageRaw( mFullWidth, mFullHeight, baked_image_components );
U8* baked_image_data = baked_image->getData();
S32 i = 0;
for (S32 u=0; u < mFullWidth; u++)
{
for (S32 v=0; v < mFullHeight; v++)
{
baked_image_data[5*i + 0] = baked_color_data[4*i + 0];
baked_image_data[5*i + 1] = baked_color_data[4*i + 1];
baked_image_data[5*i + 2] = baked_color_data[4*i + 2];
baked_image_data[5*i + 3] = baked_color_data[4*i + 3]; // alpha should be correct for eyelashes.
baked_image_data[5*i + 4] = baked_mask_data[i];
i++;
}
}
LLPointer<LLImageJ2C> compressedImage = new LLImageJ2C;
compressedImage->setRate(0.f);
const char* comment_text = LINDEN_J2C_COMMENT_PREFIX "RGBHM"; // writes into baked_color_data. 5 channels (rgb, heightfield/alpha, mask)
if (compressedImage->encode(baked_image, comment_text))
{
LLTransactionID tid;
tid.generate();
const LLAssetID asset_id = tid.makeAssetID(gAgent.getSecureSessionID());
if (LLVFile::writeFile(compressedImage->getData(), compressedImage->getDataSize(),
gVFS, asset_id, LLAssetType::AT_TEXTURE))
{
// Read back the file and validate.
BOOL valid = FALSE;
LLPointer<LLImageJ2C> integrity_test = new LLImageJ2C;
S32 file_size = 0;
U8* data = LLVFile::readFile(gVFS, asset_id, LLAssetType::AT_TEXTURE, &file_size);
if (data)
{
valid = integrity_test->validate(data, file_size); // integrity_test will delete 'data'
}
else
{
integrity_test->setLastError("Unable to read entire file");
}
if( valid )
{
// baked_upload_data is owned by the responder and deleted after the request completes
LLBakedUploadData* baked_upload_data =
new LLBakedUploadData( gAgentAvatarp, this->mTexLayerSet, asset_id );
mUploadID = asset_id;
// Upload the image
const std::string url = gAgent.getRegion()->getCapability("UploadBakedTexture");
if(!url.empty()
&& !LLPipeline::sForceOldBakedUpload) // toggle debug setting UploadBakedTexOld to change between the new caps method and old method
{
LLSD body = LLSD::emptyMap();
// The responder will call LLTexLayerSetBuffer::onTextureUploadComplete()
LLHTTPClient::post(url, body, new LLSendTexLayerResponder(body, mUploadID, LLAssetType::AT_TEXTURE, baked_upload_data));
llinfos << "Baked texture upload via capability of " << mUploadID << " to " << url << llendl;
}
else
{
gAssetStorage->storeAssetData(tid,
LLAssetType::AT_TEXTURE,
LLTexLayerSetBuffer::onTextureUploadComplete,
baked_upload_data,
TRUE, // temp_file
TRUE, // is_priority
TRUE); // store_local
llinfos << "Baked texture upload via Asset Store." << llendl;
}
mNeedsUpload = FALSE;
}
else
{
// The read back and validate operation failed. Remove the uploaded file.
mUploadPending = FALSE;
LLVFile file(gVFS, asset_id, LLAssetType::AT_TEXTURE, LLVFile::WRITE);
file.remove();
llinfos << "Unable to create baked upload file (reason: corrupted)." << llendl;
}
}
}
else
{
// The VFS write file operation failed.
mUploadPending = FALSE;
llinfos << "Unable to create baked upload file (reason: failed to write file)" << llendl;
}
delete [] baked_color_data;
}
// static
void LLTexLayerSetBuffer::onTextureUploadComplete(const LLUUID& uuid,
void* userdata,
S32 result,
LLExtStat ext_status) // StoreAssetData callback (not fixed)
{
LLBakedUploadData* baked_upload_data = (LLBakedUploadData*)userdata;
if ((result == 0) &&
isAgentAvatarValid() &&
!gAgentAvatarp->isDead() &&
(baked_upload_data->mAvatar == gAgentAvatarp) && // Sanity check: only the user's avatar should be uploading textures.
(baked_upload_data->mTexLayerSet->hasComposite()))
{
LLTexLayerSetBuffer* layerset_buffer = baked_upload_data->mTexLayerSet->getComposite();
S32 failures = layerset_buffer->mUploadFailCount;
layerset_buffer->mUploadFailCount = 0;
if (layerset_buffer->mUploadID.isNull())
{
// The upload got canceled, we should be in the
// process of baking a new texture so request an
// upload with the new data
// BAP: does this really belong in this callback, as
// opposed to where the cancellation takes place?
// suspect this does nothing.
layerset_buffer->requestUpload();
}
else if (baked_upload_data->mID == layerset_buffer->mUploadID)
{
// This is the upload we're currently waiting for.
layerset_buffer->mUploadID.setNull();
layerset_buffer->mUploadPending = FALSE;
if (result >= 0)
{
ETextureIndex baked_te = gAgentAvatarp->getBakedTE(layerset_buffer->mTexLayerSet);
U64 now = LLFrameTimer::getTotalTime(); // Record starting time
llinfos << "Baked texture upload took " << (S32)((now - baked_upload_data->mStartTime) / 1000) << " ms" << llendl;
gAgentAvatarp->setNewBakedTexture(baked_te, uuid);
}
else
{
++failures;
llinfos << "Baked upload failed (attempt " << failures << "/" << MAX_BAKE_UPLOAD_ATTEMPTS << "), ";
if (failures >= MAX_BAKE_UPLOAD_ATTEMPTS)
{
llcont << "giving up.";
}
else
{
const F32 delay = 5.f;
llcont << llformat("retrying in %.2f seconds.", delay);
layerset_buffer->mUploadFailCount = failures;
layerset_buffer->requestDelayedUpload((U64)(delay * 1000000));
}
llcont << llendl;
}
}
else
{
llinfos << "Received baked texture out of date, ignored." << llendl;
}
gAgentAvatarp->dirtyMesh();
}
else
{
// Baked texture failed to upload (in which case since we
// didn't set the new baked texture, it means that they'll try
// and rebake it at some point in the future (after login?)),
// or this response to upload is out of date, in which case a
// current response should be on the way or already processed.
llwarns << "Baked upload failed" << llendl;
}
delete baked_upload_data;
}
//-----------------------------------------------------------------------------
// LLTexLayerSet
// 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;
}
//-----------------------------------------------------------------------------
// LLTexLayerSet
// An ordered set of texture layers that get composited into a single texture.
//-----------------------------------------------------------------------------
BOOL LLTexLayerSet::sHasCaches = FALSE;
LLTexLayerSet::LLTexLayerSet(LLVOAvatarSelf* const avatar) :
mComposite( NULL ),
mAvatar( avatar ),
mUpdatesEnabled( FALSE ),
mIsVisible( TRUE ),
mBakedTexIndex(LLVOAvatarDefines::BAKED_HEAD),
mInfo( NULL )
{
}
LLTexLayerSet::~LLTexLayerSet()
{
deleteCaches();
std::for_each(mLayerList.begin(), mLayerList.end(), DeletePointer());
std::for_each(mMaskLayerList.begin(), mMaskLayerList.end(), DeletePointer());
mComposite = NULL;
}
//-----------------------------------------------------------------------------
// 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 = 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
if (!layer->setInfo(*iter))
{
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();
}
}
// Returns TRUE if at least one packet of data has been received for each of the textures that this layerset depends on.
BOOL LLTexLayerSet::isLocalTextureDataAvailable() const
{
if (!mAvatar->isSelf()) return FALSE;
return ((LLVOAvatarSelf *)mAvatar)->isLocalTextureDataAvailable(this);
}
// Returns TRUE if all of the data for the textures that this layerset depends on have arrived.
BOOL LLTexLayerSet::isLocalTextureDataFinal() const
{
if (!mAvatar->isSelf()) return FALSE;
return ((LLVOAvatarSelf *)mAvatar)->isLocalTextureDataFinal(this);
}
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;
}
}
}
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);
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 (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 || layer->getRenderPass() == LLTexLayer::RP_BUMP)
{
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);
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();
}
return success;
}
BOOL LLTexLayerSet::isBodyRegion(const std::string& region) const
{
return mInfo->mBodyRegion == region;
}
const std::string LLTexLayerSet::getBodyRegionName() const
{
return mInfo->mBodyRegion;
}
void LLTexLayerSet::requestUpdate()
{
if( mUpdatesEnabled )
{
createComposite();
mComposite->requestUpdate();
}
}
void LLTexLayerSet::requestUpload()
{
createComposite();
mComposite->requestUpload();
}
void LLTexLayerSet::cancelUpload()
{
if(mComposite)
{
mComposite->cancelUpload();
}
}
void LLTexLayerSet::createComposite()
{
if(!mComposite)
{
S32 width = mInfo->mWidth;
S32 height = mInfo->mHeight;
// Composite other avatars at reduced resolution
if( !mAvatar->isSelf() )
{
width /= 2;
height /= 2;
}
mComposite = new LLTexLayerSetBuffer( this, width, height );
}
}
void LLTexLayerSet::destroyComposite()
{
if( mComposite )
{
mComposite = NULL;
}
}
void LLTexLayerSet::setUpdatesEnabled( BOOL b )
{
mUpdatesEnabled = b;
}
void LLTexLayerSet::updateComposite()
{
createComposite();
mComposite->requestUpdateImmediate();
}
LLTexLayerSetBuffer* LLTexLayerSet::getComposite()
{
if (!mComposite)
{
createComposite();
}
return mComposite;
}
const LLTexLayerSetBuffer* LLTexLayerSet::getComposite() const
{
return mComposite;
}
void LLTexLayerSet::gatherMorphMaskAlpha(U8 *data, S32 width, S32 height)
{
memset(data, 255, width * height);
for( layer_list_t::iterator iter = mLayerList.begin(); iter != mLayerList.end(); iter++ )
{
LLTexLayerInterface* layer = *iter;
layer->gatherAlphaMasks(data, mComposite->getOriginX(),mComposite->getOriginY(), width, height);
}
// Set alpha back to that of our alpha masks.
renderAlphaMaskTextures(mComposite->getOriginX(), mComposite->getOriginY(), width, height, true);
}
void LLTexLayerSet::renderAlphaMaskTextures(S32 x, S32 y, S32 width, S32 height, bool forceClear)
{
const LLTexLayerSetInfo *info = getInfo();
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())
{
LLGLSNoAlphaTest gls_no_alpha_test;
gGL.flush();
{
LLViewerTexture* 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);
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();
}
// (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)
{
for( layer_list_t::iterator iter = mLayerList.begin(); iter != mLayerList.end(); iter++ )
{
LLTexLayerInterface* layer = *iter;
layer->applyMorphMask(tex_data, width, height, num_components);
}
}
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 (LLVOAvatarDictionary::Textures::const_iterator iter = LLVOAvatarDictionary::getInstance()->getTextures().begin();
iter != LLVOAvatarDictionary::getInstance()->getTextures().end();
iter++)
{
const LLVOAvatarDictionary::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;
}
LLTexLayerInterface::LLTexLayerInterface(LLTexLayerSet* const layer_set):
mTexLayerSet( layer_set ),
mMorphMasksValid( FALSE ),
mInfo(NULL),
mHasMorph(FALSE)
{
}
BOOL LLTexLayerInterface::setInfo(const LLTexLayerInfo *info ) // 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 );
}
LLTexLayerInfo::morph_name_list_t::const_iterator iter = getInfo()->mMorphNameList.begin();
for (; iter != getInfo()->mMorphNameList.end(); iter++)
{
// *FIX: we assume that the referenced visual param is a
// morph target, need a better way of actually looking
// this up.
LLPolyMorphTarget *morph_param;
const std::string &name = (iter->first);
morph_param = (LLPolyMorphTarget *)(getTexLayerSet()->getAvatar()->getVisualParam(name.c_str()));
if (morph_param)
{
BOOL invert = iter->second;
addMaskedMorph(morph_param, invert);
}
}
return TRUE;
}
void LLTexLayerInterface::applyMorphMask(U8* tex_data, S32 width, S32 height, S32 num_components)
{
for( morph_list_t::iterator iter = mMaskedMorphs.begin();
iter != mMaskedMorphs.end(); iter++ )
{
LLVOAvatar::LLMaskedMorph* maskedMorph = (LLVOAvatar::LLMaskedMorph*)(*iter);
maskedMorph->mMorphTarget->applyMask(tex_data, width, height, num_components, maskedMorph->mInvert);
}
}
void LLTexLayerInterface::addMaskedMorph(LLPolyMorphTarget* morph_target, BOOL invert)
{
mMaskedMorphs.push_front((char*)new LLVOAvatar::LLMaskedMorph(morph_target, invert));
setHasMorph(!mMaskedMorphs.empty());
}
/*virtual*/ void LLTexLayerInterface::requestUpdate()
{
mTexLayerSet->requestUpdate();
}
const std::string& LLTexLayerInterface::getName() const
{
return mInfo->mName;
}
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 ),
mStaticImageInvalid( FALSE )
{
}
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;
}
}
//-----------------------------------------------------------------------------
// setInfo
//-----------------------------------------------------------------------------
BOOL LLTexLayer::setInfo(const LLTexLayerInfo* info)
{
return LLTexLayerInterface::setInfo(info);
}
//static
void LLTexLayer::calculateTexLayerColor(const param_color_list_t &param_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();
}
mStaticImageRaw = NULL;
}
BOOL LLTexLayer::render(S32 x, S32 y, S32 width, S32 height)
{
LLGLEnable color_mat(GL_COLOR_MATERIAL);
gPipeline.disableLights();
LLColor4 net_color;
BOOL color_specified = findNetColor(&net_color);
if (mTexLayerSet->getAvatar()->mIsDummy)
{
color_specified = true;
net_color = LLVOAvatar::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;
}
}//*/
renderMorphMasks(x, y, width, height, net_color);
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);
}
else if (getInfo()->mUseLocalTextureAlphaOnly)
{
// Use the alpha channel only
gGL.setColorMask(false, true);
}
if( (getInfo()->mLocalTexture != -1) && !getInfo()->mUseLocalTextureAlphaOnly )
{
{
LLViewerTexture* tex = NULL;
if( mTexLayerSet->getAvatar()->getLocalTextureGL((ETextureIndex)getInfo()->mLocalTexture, &tex ) )
{
if (mTexLayerSet->getAvatar()->getLocalTextureID((ETextureIndex)getInfo()->mLocalTexture) == IMG_DEFAULT_AVATAR)
{
tex = NULL;
}
if( tex )
{
LLGLDisable alpha_test(getInfo()->mWriteAllChannels ? GL_ALPHA_TEST : 0);
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() )
{
{
LLViewerTexture* 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);
gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
gGL.color4fv( net_color.mV);
gl_rect_2d_simple( width, height );
}
if( alpha_mask_specified || getInfo()->mWriteAllChannels )
{
// Restore standard blend func value
gGL.flush();
gGL.setSceneBlendType(LLRender::BT_ALPHA);
stop_glerror();
}
if (getInfo()->mUseLocalTextureAlphaOnly)
{
// Restore color + alpha mode.
gGL.setColorMask(true, true);
}
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*)&param_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->getAvatar()->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->getAvatar()->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();
if( !getInfo()->mStaticImageFileName.empty() )
{
LLViewerTexture* tex = LLTexLayerStaticImageList::getInstance()->getTexture( getInfo()->mStaticImageFileName, getInfo()->mStaticImageIsMask );
if( tex )
{
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
{
success = FALSE;
}
}
else
{
if (getInfo()->mLocalTexture >=0 && getInfo()->mLocalTexture < TEX_NUM_INDICES)
{
LLViewerTexture* tex = NULL;
if (mTexLayerSet->getAvatar()->getLocalTextureGL((ETextureIndex)getInfo()->mLocalTexture, &tex))
{
if (tex)
{
LLGLSNoAlphaTest gls_no_alpha_test;
gGL.getTexUnit(0)->bind(tex);
gl_rect_2d_simple_tex(width, height);
gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
success = TRUE;
}
}
}
}
return success;
}
/*virtual*/ void LLTexLayer::gatherAlphaMasks(U8 *data, S32 originX, S32 originY, S32 width, S32 height)
{
addAlphaMask(data, originX, originY, width, height);
}
BOOL LLTexLayer::renderMorphMasks(S32 x, S32 y, S32 width, S32 height, const LLColor4 &layer_color)
{
BOOL success = TRUE;
llassert( !mParamAlphaList.empty() );
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 );
}
// Approximates a min() function
gGL.flush();
gGL.setSceneBlendType(LLRender::BT_MULT_ALPHA);
// Accumulate the alpha component of the texture
if( getInfo()->mLocalTexture != -1 )
{
{
LLViewerTexture* tex = NULL;
if( mTexLayerSet->getAvatar()->getLocalTextureGL((ETextureIndex)getInfo()->mLocalTexture, &tex ) )
{
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() )
{
LLViewerTexture* tex = LLTexLayerStaticImageList::getInstance()->getTexture(getInfo()->mStaticImageFileName, getInfo()->mStaticImageIsMask);
if( tex )
{
if( (tex->getComponents() == 4) ||
( (tex->getComponents() == 1) && getInfo()->mStaticImageIsMask ) )
{
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);
}
}
}
// 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 (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 );
}
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*)&param_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()->getAvatar()->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()->getAvatar()->dirtyMesh();
mMorphMasksValid = TRUE;
applyMorphMask(alpha_data, width, height, 1);
}
return success;
}
void LLTexLayer::addAlphaMask(U8 *data, S32 originX, S32 originY, S32 width, S32 height)
{
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();
renderMorphMasks(originX, originY, width, height, net_color);
alphaData = getAlphaData();
}
if (alphaData)
{
for( S32 i = 0; i < size; i++ )
{
U8 curAlpha = data[i];
U16 resultAlpha = curAlpha;
resultAlpha *= (alphaData[i] + 1);
resultAlpha = resultAlpha >> 8;
data[i] = (U8)resultAlpha;
}
}
}
BOOL LLTexLayer::isInvisibleAlphaMask() const
{
const LLTexLayerInfo *info = getInfo();
if (info && info->mLocalTexture >= 0 && info->mLocalTexture < TEX_NUM_INDICES)
{
if (mTexLayerSet->getAvatar()->getLocalTextureID((ETextureIndex)info->mLocalTexture) == IMG_INVISIBLE)
{
return TRUE;
}
}
return FALSE;
}
LLUUID LLTexLayer::getUUID() const
{
return mTexLayerSet->getAvatar()->getLocalTextureID((ETextureIndex)getInfo()->mLocalTexture);
}
//-----------------------------------------------------------------------------
// 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;
}
//-----------------------------------------------------------------------------
// 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.
LLImageTGA* LLTexLayerStaticImageList::getImageTGA(const std::string& file_name)
{
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.
LLViewerTexture* LLTexLayerStaticImageList::getTexture(const std::string& file_name, BOOL is_mask)
{
LLPointer<LLViewerTexture> 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
{
tex = LLViewerTextureManager::getLocalTexture( FALSE );
LLPointer<LLImageRaw> image_raw = new LLImageRaw;
if( loadImageRaw( file_name, image_raw ) )
{
if( (image_raw->getComponents() == 1) && is_mask )
{
// Note: these are static, unchanging images so it's ok to assume
// that once an image is a mask it's always a mask.
tex->setExplicitFormat( GL_ALPHA8, GL_ALPHA );
}
tex->createGLTexture(0, image_raw, 0, TRUE, LLViewerTexture::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.
BOOL LLTexLayerStaticImageList::loadImageRaw(const std::string& file_name, LLImageRaw* 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;
}
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