diff options
Diffstat (limited to 'indra/newview/llvotree.cpp')
-rw-r--r-- | indra/newview/llvotree.cpp | 139 |
1 files changed, 79 insertions, 60 deletions
diff --git a/indra/newview/llvotree.cpp b/indra/newview/llvotree.cpp index b602b93025..37a974be28 100644 --- a/indra/newview/llvotree.cpp +++ b/indra/newview/llvotree.cpp @@ -2,31 +2,25 @@ * @file llvotree.cpp * @brief LLVOTree class implementation * - * $LicenseInfo:firstyear=2002&license=viewergpl$ - * - * Copyright (c) 2002-2009, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2002&license=viewerlgpl$ * 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 + * Copyright (C) 2010, Linden Research, Inc. * - * 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 + * 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. * - * 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. + * 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. * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * 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 * $/LicenseInfo$ */ @@ -44,18 +38,18 @@ #include "material_codes.h" #include "object_flags.h" -#include "llagent.h" +#include "llagentcamera.h" #include "lldrawable.h" #include "llface.h" #include "llviewercamera.h" -#include "llviewerimagelist.h" +#include "llviewertexturelist.h" #include "llviewerobjectlist.h" #include "llviewerregion.h" #include "llworld.h" #include "noise.h" #include "pipeline.h" #include "llspatialpartition.h" -#include "llnotifications.h" +#include "llnotificationsutil.h" extern LLPipeline gPipeline; @@ -66,12 +60,14 @@ const F32 LEAF_TOP = 1.0f; const F32 LEAF_BOTTOM = 0.52f; const F32 LEAF_WIDTH = 1.f; -S32 LLVOTree::sLODVertexOffset[4]; -S32 LLVOTree::sLODVertexCount[4]; -S32 LLVOTree::sLODIndexOffset[4]; -S32 LLVOTree::sLODIndexCount[4]; -S32 LLVOTree::sLODSlices[4] = {10, 5, 4, 3}; -F32 LLVOTree::sLODAngles[4] = {30.f, 20.f, 15.f, 0.f}; +const S32 LLVOTree::sMAX_NUM_TREE_LOD_LEVELS = 4 ; + +S32 LLVOTree::sLODVertexOffset[sMAX_NUM_TREE_LOD_LEVELS]; +S32 LLVOTree::sLODVertexCount[sMAX_NUM_TREE_LOD_LEVELS]; +S32 LLVOTree::sLODIndexOffset[sMAX_NUM_TREE_LOD_LEVELS]; +S32 LLVOTree::sLODIndexCount[sMAX_NUM_TREE_LOD_LEVELS]; +S32 LLVOTree::sLODSlices[sMAX_NUM_TREE_LOD_LEVELS] = {10, 5, 4, 3}; +F32 LLVOTree::sLODAngles[sMAX_NUM_TREE_LOD_LEVELS] = {30.f, 20.f, 15.f, F_ALMOST_ZERO}; F32 LLVOTree::sTreeFactor = 1.f; @@ -99,6 +95,12 @@ LLVOTree::~LLVOTree() } } +//static +bool LLVOTree::isTreeRenderingStopped() +{ + return LLVOTree::sTreeFactor < LLVOTree::sLODAngles[sMAX_NUM_TREE_LOD_LEVELS - 1] ; +} + // static void LLVOTree::initClass() { @@ -257,7 +259,7 @@ void LLVOTree::initClass() { LLSD args; args["SPECIES"] = err; - LLNotifications::instance().add("ErrorUndefinedTrees", args); + LLNotificationsUtil::add("ErrorUndefinedTrees", args); } }; @@ -311,11 +313,10 @@ U32 LLVOTree::processUpdateMessage(LLMessageSystem *mesgsys, // // Load Species-Specific data // - mTreeImagep = gImageList.getImage(sSpeciesTable[mSpecies]->mTextureID); - if (mTreeImagep) - { - gGL.getTexUnit(0)->bind(mTreeImagep.get()); - } + static const S32 MAX_TREE_TEXTURE_VIRTURE_SIZE_RESET_INTERVAL = 32 ; //frames. + mTreeImagep = LLViewerTextureManager::getFetchedTexture(sSpeciesTable[mSpecies]->mTextureID, TRUE, LLViewerTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE); + mTreeImagep->setMaxVirtualSizeResetInterval(MAX_TREE_TEXTURE_VIRTURE_SIZE_RESET_INTERVAL); //allow to wait for at most 16 frames to reset virtual size. + mBranchLength = sSpeciesTable[mSpecies]->mBranchLength; mTrunkLength = sSpeciesTable[mSpecies]->mTrunkLength; mLeafScale = sSpeciesTable[mSpecies]->mLeafScale; @@ -377,12 +378,11 @@ BOOL LLVOTree::idleUpdate(LLAgent &agent, LLWorld &world, const F64 &time) } } - S32 trunk_LOD = 0; + S32 trunk_LOD = sMAX_NUM_TREE_LOD_LEVELS ; F32 app_angle = getAppAngle()*LLVOTree::sTreeFactor; - for (S32 j = 0; j < 4; j++) + for (S32 j = 0; j < sMAX_NUM_TREE_LOD_LEVELS; j++) { - if (app_angle > LLVOTree::sLODAngles[j]) { trunk_LOD = j; @@ -442,23 +442,35 @@ void LLVOTree::render(LLAgent &agent) void LLVOTree::setPixelAreaAndAngle(LLAgent &agent) { - // First calculate values as for any other object (for mAppAngle) - LLViewerObject::setPixelAreaAndAngle(agent); - - // Re-calculate mPixelArea accurately + LLVector3 center = getPositionAgent();//center of tree. + LLVector3 viewer_pos_agent = gAgentCamera.getCameraPositionAgent(); + LLVector3 lookAt = center - viewer_pos_agent; + F32 dist = lookAt.normVec() ; + F32 cos_angle_to_view_dir = lookAt * LLViewerCamera::getInstance()->getXAxis() ; - // This should be the camera's center, as soon as we move to all region-local. - LLVector3 relative_position = getPositionAgent() - agent.getCameraPositionAgent(); - F32 range = relative_position.length(); // ugh, square root + F32 range = dist - getMinScale()/2; + if (range < F_ALMOST_ZERO || isHUDAttachment()) // range == zero + { + mAppAngle = 180.f; + } + else + { + mAppAngle = (F32) atan2( getMaxScale(), range) * RAD_TO_DEG; + } F32 max_scale = mBillboardScale * getMaxScale(); F32 area = max_scale * (max_scale*mBillboardRatio); - // Compute pixels per meter at the given range - F32 pixels_per_meter = LLViewerCamera::getInstance()->getViewHeightInPixels() / - (tan(LLViewerCamera::getInstance()->getView()) * range); + F32 pixels_per_meter = LLViewerCamera::getInstance()->getViewHeightInPixels() / (tan(LLViewerCamera::getInstance()->getView()) * dist); + mPixelArea = pixels_per_meter * pixels_per_meter * area ; + + F32 importance = LLFace::calcImportanceToCamera(cos_angle_to_view_dir, dist) ; + mPixelArea = LLFace::adjustPixelArea(importance, mPixelArea) ; + if (mPixelArea > LLViewerCamera::getInstance()->getScreenPixelArea()) + { + mAppAngle = 180.f; + } - mPixelArea = (pixels_per_meter) * (pixels_per_meter) * area; #if 0 // mAppAngle is a bit of voodoo; // use the one calculated LLViewerObject::setPixelAreaAndAngle above @@ -467,7 +479,7 @@ void LLVOTree::setPixelAreaAndAngle(LLAgent &agent) #endif } -void LLVOTree::updateTextures(LLAgent &agent) +void LLVOTree::updateTextures() { if (mTreeImagep) { @@ -504,9 +516,18 @@ LLDrawable* LLVOTree::createDrawable(LLPipeline *pipeline) const S32 LEAF_INDICES = 24; const S32 LEAF_VERTICES = 16; +static LLFastTimer::DeclareTimer FTM_UPDATE_TREE("Update Tree"); + BOOL LLVOTree::updateGeometry(LLDrawable *drawable) { - LLFastTimer ftm(LLFastTimer::FTM_UPDATE_TREE); + LLFastTimer ftm(FTM_UPDATE_TREE); + + if(mTrunkLOD >= sMAX_NUM_TREE_LOD_LEVELS) //do not display the tree. + { + mReferenceBuffer = NULL ; + mDrawable->getFace(0)->mVertexBuffer = NULL ; + return TRUE ; + } if (mReferenceBuffer.isNull() || mDrawable->getFace(0)->mVertexBuffer.isNull()) { @@ -525,7 +546,7 @@ BOOL LLVOTree::updateGeometry(LLDrawable *drawable) face->mCenterAgent = getPositionAgent(); face->mCenterLocal = face->mCenterAgent; - for (lod = 0; lod < 4; lod++) + for (lod = 0; lod < sMAX_NUM_TREE_LOD_LEVELS; lod++) { slices = sLODSlices[lod]; sLODVertexOffset[lod] = max_vertices; @@ -702,7 +723,7 @@ BOOL LLVOTree::updateGeometry(LLDrawable *drawable) // Generate the vertices // Generate the indices - for (lod = 0; lod < 4; lod++) + for (lod = 0; lod < sMAX_NUM_TREE_LOD_LEVELS; lod++) { slices = sLODSlices[lod]; F32 base_radius = 0.65f; @@ -894,7 +915,6 @@ void LLVOTree::updateMesh() S32 stop_depth = 0; F32 alpha = 1.0; - U32 vert_count = 0; U32 index_count = 0; @@ -1143,7 +1163,7 @@ U32 LLVOTree::drawBranchPipeline(LLMatrix4& matrix, U16* indicesp, S32 trunk_LOD glLoadMatrixf((F32*) scale_mat.mMatrix); glDrawElements(GL_TRIANGLES, sLODIndexCount[trunk_LOD], GL_UNSIGNED_SHORT, indicesp + sLODIndexOffset[trunk_LOD]); - gPipeline.addTrianglesDrawn(LEAF_INDICES/3); + gPipeline.addTrianglesDrawn(LEAF_INDICES); stop_glerror(); ret += sLODIndexCount[trunk_LOD]; } @@ -1193,7 +1213,7 @@ U32 LLVOTree::drawBranchPipeline(LLMatrix4& matrix, U16* indicesp, S32 trunk_LOD glLoadMatrixf((F32*) scale_mat.mMatrix); glDrawElements(GL_TRIANGLES, LEAF_INDICES, GL_UNSIGNED_SHORT, indicesp); - gPipeline.addTrianglesDrawn(LEAF_INDICES/3); + gPipeline.addTrianglesDrawn(LEAF_INDICES); stop_glerror(); ret += LEAF_INDICES; } @@ -1218,7 +1238,7 @@ U32 LLVOTree::drawBranchPipeline(LLMatrix4& matrix, U16* indicesp, S32 trunk_LOD glLoadMatrixf((F32*) scale_mat.mMatrix); glDrawElements(GL_TRIANGLES, LEAF_INDICES, GL_UNSIGNED_SHORT, indicesp); - gPipeline.addTrianglesDrawn(LEAF_INDICES/3); + gPipeline.addTrianglesDrawn(LEAF_INDICES); stop_glerror(); ret += LEAF_INDICES; @@ -1303,9 +1323,8 @@ U32 LLVOTree::getPartitionType() const } LLTreePartition::LLTreePartition() -: LLSpatialPartition(0) +: LLSpatialPartition(0, FALSE, 0) { - mRenderByGroup = FALSE; mDrawableType = LLPipeline::RENDER_TYPE_TREE; mPartitionType = LLViewerRegion::PARTITION_TREE; mSlopRatio = 0.f; |