C++ LLViewerTexture类代码示例

				LLUUID get(LLViewerObject* object, S32 te_index)
				{
					LLUUID id;
					
					LLViewerTexture* image = object->getTEImage(te_index);
					if (image) id = image->getID();
					
					if (!id.isNull() && LLViewerMedia::textureHasMedia(id))
					{
						LLTextureEntry *te = object->getTE(te_index);
						if (te)
						{
							LLViewerTexture* tex = te->getID().notNull() ? gTextureList.findImage(te->getID()) : NULL ;
							if(!tex)
							{
								tex = LLViewerFetchedTexture::sDefaultImagep;
							}
							if (tex)
							{
								id = tex->getID();
							}
						}
					}
					return id;
				}

LLUUID LLViewerPartSource::getImageUUID() const
{
	LLViewerTexture* imagep = mImagep;
	if(imagep)
	{
		return imagep->getID();
	}
	return LLUUID::null;
}

LLVOClouds::LLVOClouds(const LLUUID &id, const LLPCode pcode, LLViewerRegion *regionp)
:	LLAlphaObject(id, LL_VO_CLOUDS, regionp)
{
	mCloudGroupp = NULL;
	mbCanSelect = FALSE;
	setNumTEs(1);
	LLViewerTexture* image = LLViewerTextureManager::getFetchedTexture(gCloudTextureID);
	image->setBoostLevel(LLViewerTexture::BOOST_CLOUDS);
	setTEImage(0, image);
}

void LLObjectBackup::exportNextTexture()
{
	if (mTexturesList.empty())
	{
		llinfos << "Finished exporting textures." << llendl;
		return;
	}

	LLUUID id;
	std::list<LLUUID>::iterator iter;
	iter = mTexturesList.begin();

	while (1)
	{
		if (iter == mTexturesList.end())
		{
			mNextTextureReady = true;
			return;
		}

		id = (*iter);

		LLViewerTexture* imagep = LLViewerTextureManager::findTexture(id);
		if (imagep != NULL)
		{
			S32 cur_discard = imagep->getDiscardLevel();
			if (cur_discard > 0)
			{
				if (imagep->getBoostLevel() != LLViewerTexture::BOOST_PREVIEW)
				{
					// we want to force discard 0: this one does this.
					imagep->setBoostLevel(LLViewerTexture::BOOST_PREVIEW);
				}
			}
			else
			{
				break;
			}
		}
		else
		{
			llwarns << "We *DON'T* have the texture " << llendl;
			mNonExportedTextures |= TEXTURE_MISSING;
		}
		iter++;
	}

	mTexturesList.remove(id);

	llinfos << "Requesting texture " << id << llendl;
	LLImageJ2C* mFormattedImage = new LLImageJ2C;
	CacheReadResponder* responder = new CacheReadResponder(id, mFormattedImage);
  	LLAppViewer::getTextureCache()->readFromCache(id, LLWorkerThread::PRIORITY_HIGH, 0, 999999, responder);
}

// Updates asset from the user's avatar
void LLWearable::readFromAvatar()
{
	LLVOAvatar* avatar = gAgent.getAvatarObject();
	llassert( avatar );
	if( !avatar )
	{
		return;
	}

	mDefinitionVersion = LLWearable::sCurrentDefinitionVersion;

	mVisualParamMap.clear();
	for( LLVisualParam* param = avatar->getFirstVisualParam(); param; param = avatar->getNextVisualParam() )
	{
		if( (((LLViewerVisualParam*)param)->getWearableType() == mType) && (param->isTweakable()) )
		{
			
			//pretty sure is right
			if(param->getID() == 507)
				avatar->setActualBoobGrav(param->getWeight());
			/*if(param->getID() == 151)
				avatar->setActualButtGrav(param->getWeight());
			if(param->getID() == 157)
				avatar->setActualFatGrav(param->getWeight());
			*/
			//if(param->getID() == 507)
			//{
			//	llwarns << "current = " << avatar->getActualBoobGrav() << llendl;
			//	llwarns << "param weight = " << param->getWeight() << llendl;
			//}
				

			mVisualParamMap[param->getID()] = param->getWeight();
		}
	}

	mTEMap.clear();
	for( S32 te = 0; te < TEX_NUM_INDICES; te++ )
	{
		if( LLVOAvatar::getTEWearableType((ETextureIndex) te ) == mType )
		{
			LLViewerTexture* image = avatar->getTEImage( te );
			if( image )
			{
				mTEMap[te] = image->getID();
			}
		}
	}

	//if( gFloaterCustomize )
	//{
	//	mDescription = gFloaterCustomize->getWearableDescription( mType );
	//}
}

// Note: the caller SHOULD NOT keep the pointer that this function returns.  It may be updated as more data arrives.
LLViewerTexture* LLBumpImageList::getBrightnessDarknessImage(LLViewerFetchedTexture* src_image, U8 bump_code )
{
	llassert( (bump_code == BE_BRIGHTNESS) || (bump_code == BE_DARKNESS) );

	LLViewerTexture* bump = NULL;
	
	bump_image_map_t* entries_list = NULL;
	void (*callback_func)( BOOL success, LLViewerFetchedTexture *src_vi, LLImageRaw* src, LLImageRaw* aux_src, S32 discard_level, BOOL final, void* userdata ) = NULL;

	switch( bump_code )
	{
	case BE_BRIGHTNESS:
		entries_list = &mBrightnessEntries;
		callback_func = LLBumpImageList::onSourceBrightnessLoaded;
		break;
	case BE_DARKNESS:
		entries_list = &mDarknessEntries;
		callback_func = LLBumpImageList::onSourceDarknessLoaded;
		break;
	default:
		llassert(0);
		return NULL;
	}

	bump_image_map_t::iterator iter = entries_list->find(src_image->getID());
	if (iter != entries_list->end() && iter->second.notNull())
	{
		bump = iter->second;
	}
	else
	{
		LLPointer<LLImageRaw> raw = new LLImageRaw(1,1,1);
		raw->clear(0x77, 0x77, 0xFF, 0xFF);

		(*entries_list)[src_image->getID()] = LLViewerTextureManager::getLocalTexture( raw.get(), TRUE);
		bump = (*entries_list)[src_image->getID()]; // In case callback was called immediately and replaced the image
	}

	if (!src_image->hasCallbacks())
	{ //if image has no callbacks but resolutions don't match, trigger raw image loaded callback again
		if (src_image->getWidth() != bump->getWidth() ||
			src_image->getHeight() != bump->getHeight())// ||
			//(LLPipeline::sRenderDeferred && bump->getComponents() != 4))
		{
			src_image->setBoostLevel(LLGLTexture::BOOST_BUMP) ;
			src_image->setLoadedCallback( callback_func, 0, TRUE, FALSE, new LLUUID(src_image->getID()), NULL );
			src_image->forceToSaveRawImage(0) ;
		}
	}

	return bump;
}

void LLBumpImageList::updateImages()
{	
	llpushcallstacks ;
	for (bump_image_map_t::iterator iter = mBrightnessEntries.begin(); iter != mBrightnessEntries.end(); )
	{
		bump_image_map_t::iterator curiter = iter++;
		LLViewerTexture* image = curiter->second;
		if( image )
		{
			BOOL destroy = TRUE;
			if( image->hasGLTexture())
			{
				if( image->getBoundRecently() )
				{
					destroy = FALSE;
				}
				else
				{
					image->destroyGLTexture();
				}
			}

			if( destroy )
			{
				//llinfos << "*** Destroying bright " << (void*)image << llendl;
				mBrightnessEntries.erase(curiter);   // deletes the image thanks to reference counting
			}
		}
	}
	llpushcallstacks ;
	for (bump_image_map_t::iterator iter = mDarknessEntries.begin(); iter != mDarknessEntries.end(); )
	{
		bump_image_map_t::iterator curiter = iter++;
		LLViewerTexture* image = curiter->second;
		if( image )
		{
			BOOL destroy = TRUE;
			if( image->hasGLTexture())
			{
				if( image->getBoundRecently() )
				{
					destroy = FALSE;
				}
				else
				{
					image->destroyGLTexture();
				}
			}

			if( destroy )
			{
				//llinfos << "*** Destroying dark " << (void*)image << llendl;;
				mDarknessEntries.erase(curiter);  // deletes the image thanks to reference counting
			}
		}
	}
	llpushcallstacks ;
}

BOOL LLToolTexEyedropper::handleMouseDown(S32 x, S32 y, MASK mask)
{
	// this will affect framerate on mouse down
	const LLPickInfo& pick = gViewerWindow->pickImmediate(x, y, FALSE);
	LLViewerObject* hit_obj	= pick.getObject();
	if (hit_obj && 
		!hit_obj->isAvatar())
	{
		if( (0 <= pick.mObjectFace) && (pick.mObjectFace < hit_obj->getNumTEs()) )
		{
			LLViewerTexture* image = hit_obj->getTEImage( pick.mObjectFace );
			if( image )
			{
				if( mCallback )
				{
					mCallback( hit_obj->getID(), image->getID(), mCallbackUserData );
				}
			}
		}
	}
	return TRUE;
}

//.........这里部分代码省略.........
			{
				data_mask &= ~LLVertexBuffer::MAP_WEIGHT4;
			}

			U16 start = face->getGeomStart();
			U16 end = start + face->getGeomCount()-1;
			S32 offset = face->getIndicesStart();
			U32 count = face->getIndicesCount();

			/*if (glow)
			{
				gGL.diffuseColor4f(0,0,0,face->getTextureEntry()->getGlow());
			}*/

			const LLTextureEntry* te = face->getTextureEntry();
			LLMaterial* mat = te->getMaterialParams().get();

			if (mat && is_deferred_render)
			{
				gGL.getTexUnit(sDiffuseChannel)->bind(face->getTexture(LLRender::DIFFUSE_MAP));
				gGL.getTexUnit(normal_channel)->bind(face->getTexture(LLRender::NORMAL_MAP));
				gGL.getTexUnit(specular_channel)->bind(face->getTexture(LLRender::SPECULAR_MAP));

				LLColor4 col = mat->getSpecularLightColor();
				F32 spec = llmax(0.0001f, mat->getSpecularLightExponent() / 255.f);

				F32 env = mat->getEnvironmentIntensity()/255.f;

				if (mat->getSpecularID().isNull())
				{
					env = te->getShiny()*0.25f;
					col.set(env,env,env,0);
					spec = env;
				}
		
				BOOL fullbright = te->getFullbright();

				sVertexProgram->uniform1f(LLShaderMgr::EMISSIVE_BRIGHTNESS, fullbright ? 1.f : 0.f);
				sVertexProgram->uniform4f(LLShaderMgr::SPECULAR_COLOR, col.mV[0], col.mV[1], col.mV[2], spec);
				sVertexProgram->uniform1f(LLShaderMgr::ENVIRONMENT_INTENSITY, env);

				if (mat->getDiffuseAlphaMode() == LLMaterial::DIFFUSE_ALPHA_MODE_MASK)
				{
					sVertexProgram->setMinimumAlpha(mat->getAlphaMaskCutoff()/255.f);
				}
				else
				{
					sVertexProgram->setMinimumAlpha(0.004f);
				}

				for (U32 i = 0; i < LLRender::NUM_TEXTURE_CHANNELS; ++i)
				{
					LLViewerTexture* tex = face->getTexture(i);
					if (tex)
					{
						tex->addTextureStats(avatar->getPixelArea());
					}
				}
			}
			else
			{
				gGL.getTexUnit(sDiffuseChannel)->bind(face->getTexture());

				if(sVertexProgram)
				{
					if (mat && mat->getDiffuseAlphaMode() == LLMaterial::DIFFUSE_ALPHA_MODE_MASK)
					{
						sVertexProgram->setMinimumAlpha(mat->getAlphaMaskCutoff()/255.f);
					}
					else
					{
						sVertexProgram->setMinimumAlpha(0.004f);
					}
				}

				if (normal_channel > -1)
				{
					LLDrawPoolBump::bindBumpMap(face, normal_channel);
				}
			}

			if (face->mTextureMatrix && vobj->mTexAnimMode)
			{
				gGL.matrixMode(LLRender::MM_TEXTURE);
				gGL.loadMatrix(*face->mTextureMatrix);
				buff->setBuffer(data_mask);
				buff->drawRange(LLRender::TRIANGLES, start, end, count, offset);
				gGL.loadIdentity();
				gGL.matrixMode(LLRender::MM_MODELVIEW);
			}
			else
			{
				buff->setBuffer(data_mask);
				buff->drawRange(LLRender::TRIANGLES, start, end, count, offset);		
			}

			gPipeline.addTrianglesDrawn(count, LLRender::TRIANGLES);
		}
	}
}

				LLUUID get(LLViewerObject* object, S32 te)
				{
					LLViewerTexture* image = object->getTEImage(te);
					return image ? image->getID() : LLUUID::null;
				}

BOOL LLVLComposition::generateTexture(const F32 x, const F32 y,
									  const F32 width, const F32 height)
{
	llassert(mSurfacep);
	llassert(x >= 0.f);
	llassert(y >= 0.f);

	LLTimer gen_timer;

	///////////////////////////
	//
	// Generate raw data arrays for surface textures
	//
	//

	// These have already been validated by generateComposition.
	U8* st_data[4];
	S32 st_data_size[4]; // for debugging

	for (S32 i = 0; i < 4; i++)
	{
		if (mRawImages[i].isNull())
		{
			// Read back a raw image for this discard level, if it exists
			S32 min_dim = llmin(mDetailTextures[i]->getFullWidth(), mDetailTextures[i]->getFullHeight());
			S32 ddiscard = 0;
			while (min_dim > BASE_SIZE && ddiscard < MAX_DISCARD_LEVEL)
			{
				ddiscard++;
				min_dim /= 2;
			}

			BOOL delete_raw = (mDetailTextures[i]->reloadRawImage(ddiscard) != NULL) ;
			if(mDetailTextures[i]->getRawImageLevel() != ddiscard)//raw iamge is not ready, will enter here again later.
			{
				if(delete_raw)
				{
					mDetailTextures[i]->destroyRawImage() ;
				}
				lldebugs << "cached raw data for terrain detail texture is not ready yet: " << mDetailTextures[i]->getID() << llendl;
				return FALSE;
			}

			mRawImages[i] = mDetailTextures[i]->getRawImage() ;
			if(delete_raw)
			{
				mDetailTextures[i]->destroyRawImage() ;
			}
			if (mDetailTextures[i]->getWidth(ddiscard) != BASE_SIZE ||
				mDetailTextures[i]->getHeight(ddiscard) != BASE_SIZE ||
				mDetailTextures[i]->getComponents() != 3)
			{
				LLPointer<LLImageRaw> newraw = new LLImageRaw(BASE_SIZE, BASE_SIZE, 3);
				newraw->composite(mRawImages[i]);
				mRawImages[i] = newraw; // deletes old
			}
		}
		st_data[i] = mRawImages[i]->getData();
		st_data_size[i] = mRawImages[i]->getDataSize();
	}

	///////////////////////////////////////
	//
	// Generate and clamp x/y bounding box.
	//
	//

	S32 x_begin, y_begin, x_end, y_end;
	x_begin = (S32)(x * mScaleInv);
	y_begin = (S32)(y * mScaleInv);
	x_end = llround( (x + width) * mScaleInv );
	y_end = llround( (y + width) * mScaleInv );

	if (x_end > mWidth)
	{
		llwarns << "x end > width" << llendl;
		x_end = mWidth;
	}
	if (y_end > mWidth)
	{
		llwarns << "y end > width" << llendl;
		y_end = mWidth;
	}


	///////////////////////////////////////////
	//
	// Generate target texture information, stride ratios.
	//
	//

	LLViewerTexture *texturep;
	U32 tex_width, tex_height, tex_comps;
	U32 tex_stride;
	F32 tex_x_scalef, tex_y_scalef;
	S32 tex_x_begin, tex_y_begin, tex_x_end, tex_y_end;
	F32 tex_x_ratiof, tex_y_ratiof;

	texturep = mSurfacep->getSTexture();
	tex_width = texturep->getWidth();
//.........这里部分代码省略.........

void LLObjectBackup::exportNextTexture()
{
	LLUUID id;
	textures_set_t::iterator iter = mTexturesList.begin();
	while (true)
	{
		if (mTexturesList.empty())
		{
			mCheckNextTexture = true;
			LL_INFOS() << "Finished exporting textures." << LL_ENDL;
			return;
		}
		if (iter == mTexturesList.end())
		{
			// Not yet ready, wait and re-check at next idle callback...
			mCheckNextTexture = true;
			return;
		}

		id = *iter++;
		if (id.isNull())
		{
			// NULL texture id: just remove and ignore.
			mTexturesList.erase(id);
			LL_DEBUGS("ObjectBackup") << "Null texture UUID found, ignoring."
									  << LL_ENDL;
			continue;
		}

		LLViewerTexture* imagep = LLViewerTextureManager::findTexture(id);
		if (imagep)
		{
			if (imagep->getDiscardLevel() > 0)
			{
				// Boost texture loading
				imagep->setBoostLevel(LLGLTexture::BOOST_PREVIEW);
				LL_DEBUGS("ObjectBackup") << "Boosting texture: " << id
										  << LL_ENDL;
				LLViewerFetchedTexture* tex;
				tex = LLViewerTextureManager::staticCastToFetchedTexture(imagep);
				if (tex && tex->getDesiredDiscardLevel() > 0)
				{
					// Set min discard level to 0
					tex->setMinDiscardLevel(0);
					LL_DEBUGS("ObjectBackup") << "Min discard level set to 0 for texture: "
											  << id << LL_ENDL;
				}
			}
			else
			{
				// Texture is ready !
				break;
			}
		}
		else
		{
			LL_WARNS() << "We *DON'T* have the texture " << id << LL_ENDL;
			mNonExportedTextures |= TEXTURE_MISSING;
			mTexturesList.erase(id);
		}
	}

	mTexturesList.erase(id);

	LL_INFOS() << "Requesting texture " << id << " from cache." << LL_ENDL;
	LLImageJ2C* mFormattedImage = new LLImageJ2C;
	BackupCacheReadResponder* responder;
	responder = new BackupCacheReadResponder(id, mFormattedImage);
	LLAppViewer::getTextureCache()->readFromCache(id,
												  LLWorkerThread::PRIORITY_HIGH,
												  0, 999999, responder);
}