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-rw-r--r--indra/newview/llvotree.cpp139
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;