From b93a23aa828a2ee6de206fe3c74d1b0f3e116db1 Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Wed, 13 Jun 2012 18:05:56 -0500
Subject: MAINT-1147 Fix for frame stall on region crossing.

---
 indra/newview/pipeline.cpp | 258 ++++++++++++++++++++++++++++-----------------
 1 file changed, 161 insertions(+), 97 deletions(-)

(limited to 'indra/newview/pipeline.cpp')

diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index 0a4cf63205..7ff9a88d6e 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -117,6 +117,8 @@
 //#define DEBUG_INDICES
 #endif
 
+bool gShiftFrame = false;
+
 //cached settings
 BOOL LLPipeline::RenderAvatarVP;
 BOOL LLPipeline::VertexShaderEnable;
@@ -214,7 +216,7 @@ BOOL	gDebugPipeline = FALSE;
 LLPipeline gPipeline;
 const LLMatrix4* gGLLastMatrix = NULL;
 
-LLFastTimer::DeclareTimer FTM_RENDER_GEOMETRY("Geometry");
+LLFastTimer::DeclareTimer FTM_RENDER_GEOMETRY("Render Geometry");
 LLFastTimer::DeclareTimer FTM_RENDER_GRASS("Grass");
 LLFastTimer::DeclareTimer FTM_RENDER_INVISIBLE("Invisible");
 LLFastTimer::DeclareTimer FTM_RENDER_OCCLUSION("Occlusion");
@@ -231,8 +233,13 @@ LLFastTimer::DeclareTimer FTM_RENDER_BUMP("Bump");
 LLFastTimer::DeclareTimer FTM_RENDER_FULLBRIGHT("Fullbright");
 LLFastTimer::DeclareTimer FTM_RENDER_GLOW("Glow");
 LLFastTimer::DeclareTimer FTM_GEO_UPDATE("Geo Update");
+LLFastTimer::DeclareTimer FTM_PIPELINE_CREATE("Pipeline Create");
 LLFastTimer::DeclareTimer FTM_POOLRENDER("RenderPool");
 LLFastTimer::DeclareTimer FTM_POOLS("Pools");
+LLFastTimer::DeclareTimer FTM_DEFERRED_POOLRENDER("RenderPool (Deferred)");
+LLFastTimer::DeclareTimer FTM_DEFERRED_POOLS("Pools (Deferred)");
+LLFastTimer::DeclareTimer FTM_POST_DEFERRED_POOLRENDER("RenderPool (Post)");
+LLFastTimer::DeclareTimer FTM_POST_DEFERRED_POOLS("Pools (Post)");
 LLFastTimer::DeclareTimer FTM_RENDER_BLOOM_FBO("First FBO");
 LLFastTimer::DeclareTimer FTM_STATESORT("Sort Draw State");
 LLFastTimer::DeclareTimer FTM_PIPELINE("Pipeline");
@@ -1651,7 +1658,7 @@ U32 LLPipeline::addObject(LLViewerObject *vobj)
 
 void LLPipeline::createObjects(F32 max_dtime)
 {
-	LLFastTimer ftm(FTM_GEO_UPDATE);
+	LLFastTimer ftm(FTM_PIPELINE_CREATE);
 	LLMemType mt(LLMemType::MTYPE_PIPELINE_CREATE_OBJECTS);
 
 	LLTimer update_timer;
@@ -2484,14 +2491,19 @@ BOOL LLPipeline::updateDrawableGeom(LLDrawable* drawablep, BOOL priority)
 
 static LLFastTimer::DeclareTimer FTM_SEED_VBO_POOLS("Seed VBO Pool");
 
+static LLFastTimer::DeclareTimer FTM_UPDATE_GL("Update GL");
+
 void LLPipeline::updateGL()
 {
-	while (!LLGLUpdate::sGLQ.empty())
 	{
-		LLGLUpdate* glu = LLGLUpdate::sGLQ.front();
-		glu->updateGL();
-		glu->mInQ = FALSE;
-		LLGLUpdate::sGLQ.pop_front();
+		LLFastTimer t(FTM_UPDATE_GL);
+		while (!LLGLUpdate::sGLQ.empty())
+		{
+			LLGLUpdate* glu = LLGLUpdate::sGLQ.front();
+			glu->updateGL();
+			glu->mInQ = FALSE;
+			LLGLUpdate::sGLQ.pop_front();
+		}
 	}
 
 	{ //seed VBO Pools
@@ -2500,11 +2512,13 @@ void LLPipeline::updateGL()
 	}
 }
 
+static LLFastTimer::DeclareTimer FTM_REBUILD_PRIORITY_GROUPS("Rebuild Priority Groups");
+
 void LLPipeline::rebuildPriorityGroups()
 {
+	LLFastTimer t(FTM_REBUILD_PRIORITY_GROUPS);
 	LLTimer update_timer;
 	LLMemType mt(LLMemType::MTYPE_PIPELINE);
-	
 	assertInitialized();
 
 	gMeshRepo.notifyLoadedMeshes();
@@ -2523,7 +2537,9 @@ void LLPipeline::rebuildPriorityGroups()
 	mGroupQ1Locked = false;
 
 }
-		
+
+static LLFastTimer::DeclareTimer FTM_REBUILD_GROUPS("Rebuild Groups");
+
 void LLPipeline::rebuildGroups()
 {
 	if (mGroupQ2.empty())
@@ -2531,6 +2547,7 @@ void LLPipeline::rebuildGroups()
 		return;
 	}
 
+	LLFastTimer t(FTM_REBUILD_GROUPS);
 	mGroupQ2Locked = true;
 	// Iterate through some drawables on the non-priority build queue
 	S32 size = (S32) mGroupQ2.size();
@@ -2772,6 +2789,10 @@ void LLPipeline::markShift(LLDrawable *drawablep)
 	}
 }
 
+static LLFastTimer::DeclareTimer FTM_SHIFT_DRAWABLE("Shift Drawable");
+static LLFastTimer::DeclareTimer FTM_SHIFT_OCTREE("Shift Octree");
+static LLFastTimer::DeclareTimer FTM_SHIFT_HUD("Shift HUD");
+
 void LLPipeline::shiftObjects(const LLVector3 &offset)
 {
 	LLMemType mt(LLMemType::MTYPE_PIPELINE_SHIFT_OBJECTS);
@@ -2784,35 +2805,46 @@ void LLPipeline::shiftObjects(const LLVector3 &offset)
 	LLVector4a offseta;
 	offseta.load3(offset.mV);
 
-	for (LLDrawable::drawable_vector_t::iterator iter = mShiftList.begin();
-		 iter != mShiftList.end(); iter++)
 	{
-		LLDrawable *drawablep = *iter;
-		if (drawablep->isDead())
+		LLFastTimer t(FTM_SHIFT_DRAWABLE);
+
+		for (LLDrawable::drawable_vector_t::iterator iter = mShiftList.begin();
+			 iter != mShiftList.end(); iter++)
 		{
-			continue;
-		}	
-		drawablep->shiftPos(offseta);	
-		drawablep->clearState(LLDrawable::ON_SHIFT_LIST);
+			LLDrawable *drawablep = *iter;
+			if (drawablep->isDead())
+			{
+				continue;
+			}	
+			drawablep->shiftPos(offseta);	
+			drawablep->clearState(LLDrawable::ON_SHIFT_LIST);
+		}
+		mShiftList.resize(0);
 	}
-	mShiftList.resize(0);
 
-	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
-			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
+	
 	{
-		LLViewerRegion* region = *iter;
-		for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)
+		LLFastTimer t(FTM_SHIFT_OCTREE);
+		for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
+				iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
 		{
-			LLSpatialPartition* part = region->getSpatialPartition(i);
-			if (part)
+			LLViewerRegion* region = *iter;
+			for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)
 			{
-				part->shift(offseta);
+				LLSpatialPartition* part = region->getSpatialPartition(i);
+				if (part)
+				{
+					part->shift(offseta);
+				}
 			}
 		}
 	}
 
-	LLHUDText::shiftAll(offset);
-	LLHUDNameTag::shiftAll(offset);
+	{
+		LLFastTimer t(FTM_SHIFT_HUD);
+		LLHUDText::shiftAll(offset);
+		LLHUDNameTag::shiftAll(offset);
+	}
 	display_update_camera();
 }
 
@@ -2845,8 +2877,10 @@ void LLPipeline::markPartitionMove(LLDrawable* drawable)
 	}
 }
 
+static LLFastTimer::DeclareTimer FTM_PROCESS_PARTITIONQ("PartitionQ");
 void LLPipeline::processPartitionQ()
 {
+	LLFastTimer t(FTM_PROCESS_PARTITIONQ);
 	for (LLDrawable::drawable_list_t::iterator iter = mPartitionQ.begin(); iter != mPartitionQ.end(); ++iter)
 	{
 		LLDrawable* drawable = *iter;
@@ -4106,7 +4140,7 @@ void LLPipeline::renderGeomDeferred(LLCamera& camera)
 	LLMemType mt_rgd(LLMemType::MTYPE_PIPELINE_RENDER_GEOM_DEFFERRED);
 	LLFastTimer t(FTM_RENDER_GEOMETRY);
 
-	LLFastTimer t2(FTM_POOLS);
+	LLFastTimer t2(FTM_DEFERRED_POOLS);
 
 	LLGLEnable cull(GL_CULL_FACE);
 
@@ -4148,7 +4182,7 @@ void LLPipeline::renderGeomDeferred(LLCamera& camera)
 		pool_set_t::iterator iter2 = iter1;
 		if (hasRenderType(poolp->getType()) && poolp->getNumDeferredPasses() > 0)
 		{
-			LLFastTimer t(FTM_POOLRENDER);
+			LLFastTimer t(FTM_DEFERRED_POOLRENDER);
 
 			gGLLastMatrix = NULL;
 			gGL.loadMatrix(gGLModelView);
@@ -4201,7 +4235,7 @@ void LLPipeline::renderGeomDeferred(LLCamera& camera)
 void LLPipeline::renderGeomPostDeferred(LLCamera& camera)
 {
 	LLMemType mt_rgpd(LLMemType::MTYPE_PIPELINE_RENDER_GEOM_POST_DEF);
-	LLFastTimer t(FTM_POOLS);
+	LLFastTimer t(FTM_POST_DEFERRED_POOLS);
 	U32 cur_type = 0;
 
 	LLGLEnable cull(GL_CULL_FACE);
@@ -4235,7 +4269,7 @@ void LLPipeline::renderGeomPostDeferred(LLCamera& camera)
 		pool_set_t::iterator iter2 = iter1;
 		if (hasRenderType(poolp->getType()) && poolp->getNumPostDeferredPasses() > 0)
 		{
-			LLFastTimer t(FTM_POOLRENDER);
+			LLFastTimer t(FTM_POST_DEFERRED_POOLRENDER);
 
 			gGLLastMatrix = NULL;
 			gGL.loadMatrix(gGLModelView);
@@ -4772,8 +4806,11 @@ void LLPipeline::renderDebug()
 	}
 }
 
+static LLFastTimer::DeclareTimer FTM_REBUILD_POOLS("Rebuild Pools");
+
 void LLPipeline::rebuildPools()
 {
+	LLFastTimer t(FTM_REBUILD_POOLS);
 	LLMemType mt(LLMemType::MTYPE_PIPELINE_REBUILD_POOLS);
 
 	assertInitialized();
@@ -6332,13 +6369,16 @@ void LLPipeline::resetVertexBuffers()
 	mResetVertexBuffers = true;
 }
 
+static LLFastTimer::DeclareTimer FTM_RESET_VB("Reset VB");
+
 void LLPipeline::doResetVertexBuffers()
 {
 	if (!mResetVertexBuffers)
 	{
 		return;
 	}
-	
+
+	LLFastTimer t(FTM_RESET_VB);
 	mResetVertexBuffers = false;
 
 	mCubeVB = NULL;
@@ -8757,6 +8797,8 @@ void LLPipeline::generateHighlight(LLCamera& camera)
 }
 
 
+static LLFastTimer::DeclareTimer FTM_GEN_SUN_SHADOW("Gen Sun Shadow");
+
 void LLPipeline::generateSunShadow(LLCamera& camera)
 {
 	if (!sRenderDeferred || RenderShadowDetail <= 0)
@@ -8764,6 +8806,8 @@ void LLPipeline::generateSunShadow(LLCamera& camera)
 		return;
 	}
 
+	LLFastTimer t(FTM_GEN_SUN_SHADOW);
+
 	BOOL skip_avatar_update = FALSE;
 	if (!isAgentAvatarValid() || gAgentCamera.getCameraAnimating() || gAgentCamera.getCameraMode() != CAMERA_MODE_MOUSELOOK || !LLVOAvatar::sVisibleInFirstPerson)
 	{
@@ -9522,6 +9566,12 @@ void LLPipeline::renderGroups(LLRenderPass* pass, U32 type, U32 mask, BOOL textu
 	}
 }
 
+static LLFastTimer::DeclareTimer FTM_IMPOSTOR_MARK_VISIBLE("Impostor Mark Visible");
+static LLFastTimer::DeclareTimer FTM_IMPOSTOR_SETUP("Impostor Setup");
+static LLFastTimer::DeclareTimer FTM_IMPOSTOR_BACKGROUND("Impostor Background");
+static LLFastTimer::DeclareTimer FTM_IMPOSTOR_ALLOCATE("Impostor Allocate");
+static LLFastTimer::DeclareTimer FTM_IMPOSTOR_RESIZE("Impostor Resize");
+
 void LLPipeline::generateImpostor(LLVOAvatar* avatar)
 {
 	LLMemType mt_gi(LLMemType::MTYPE_PIPELINE_GENERATE_IMPOSTOR);
@@ -9577,101 +9627,114 @@ void LLPipeline::generateImpostor(LLVOAvatar* avatar)
 	sImpostorRender = TRUE;
 
 	LLViewerCamera* viewer_camera = LLViewerCamera::getInstance();
-	markVisible(avatar->mDrawable, *viewer_camera);
-	LLVOAvatar::sUseImpostors = FALSE;
 
-	LLVOAvatar::attachment_map_t::iterator iter;
-	for (iter = avatar->mAttachmentPoints.begin();
-		iter != avatar->mAttachmentPoints.end();
-		++iter)
 	{
-		LLViewerJointAttachment *attachment = iter->second;
-		for (LLViewerJointAttachment::attachedobjs_vec_t::iterator attachment_iter = attachment->mAttachedObjects.begin();
-			 attachment_iter != attachment->mAttachedObjects.end();
-			 ++attachment_iter)
+		LLFastTimer t(FTM_IMPOSTOR_MARK_VISIBLE);
+		markVisible(avatar->mDrawable, *viewer_camera);
+		LLVOAvatar::sUseImpostors = FALSE;
+
+		LLVOAvatar::attachment_map_t::iterator iter;
+		for (iter = avatar->mAttachmentPoints.begin();
+			iter != avatar->mAttachmentPoints.end();
+			++iter)
 		{
-			if (LLViewerObject* attached_object = (*attachment_iter))
+			LLViewerJointAttachment *attachment = iter->second;
+			for (LLViewerJointAttachment::attachedobjs_vec_t::iterator attachment_iter = attachment->mAttachedObjects.begin();
+				 attachment_iter != attachment->mAttachedObjects.end();
+				 ++attachment_iter)
 			{
-				markVisible(attached_object->mDrawable->getSpatialBridge(), *viewer_camera);
+				if (LLViewerObject* attached_object = (*attachment_iter))
+				{
+					markVisible(attached_object->mDrawable->getSpatialBridge(), *viewer_camera);
+				}
 			}
 		}
 	}
 
 	stateSort(*LLViewerCamera::getInstance(), result);
 	
-	const LLVector4a* ext = avatar->mDrawable->getSpatialExtents();
-	LLVector3 pos(avatar->getRenderPosition()+avatar->getImpostorOffset());
-
 	LLCamera camera = *viewer_camera;
-
-	camera.lookAt(viewer_camera->getOrigin(), pos, viewer_camera->getUpAxis());
-	
 	LLVector2 tdim;
+	U32 resY = 0;
+	U32 resX = 0;
 
+	{
+		LLFastTimer t(FTM_IMPOSTOR_SETUP);
+		const LLVector4a* ext = avatar->mDrawable->getSpatialExtents();
+		LLVector3 pos(avatar->getRenderPosition()+avatar->getImpostorOffset());
 
-	LLVector4a half_height;
-	half_height.setSub(ext[1], ext[0]);
-	half_height.mul(0.5f);
+		camera.lookAt(viewer_camera->getOrigin(), pos, viewer_camera->getUpAxis());
+	
+		LLVector4a half_height;
+		half_height.setSub(ext[1], ext[0]);
+		half_height.mul(0.5f);
 
-	LLVector4a left;
-	left.load3(camera.getLeftAxis().mV);
-	left.mul(left);
-	left.normalize3fast();
+		LLVector4a left;
+		left.load3(camera.getLeftAxis().mV);
+		left.mul(left);
+		left.normalize3fast();
 
-	LLVector4a up;
-	up.load3(camera.getUpAxis().mV);
-	up.mul(up);
-	up.normalize3fast();
+		LLVector4a up;
+		up.load3(camera.getUpAxis().mV);
+		up.mul(up);
+		up.normalize3fast();
 
-	tdim.mV[0] = fabsf(half_height.dot3(left).getF32());
-	tdim.mV[1] = fabsf(half_height.dot3(up).getF32());
+		tdim.mV[0] = fabsf(half_height.dot3(left).getF32());
+		tdim.mV[1] = fabsf(half_height.dot3(up).getF32());
 
-	gGL.matrixMode(LLRender::MM_PROJECTION);
-	gGL.pushMatrix();
+		gGL.matrixMode(LLRender::MM_PROJECTION);
+		gGL.pushMatrix();
 	
-	F32 distance = (pos-camera.getOrigin()).length();
-	F32 fov = atanf(tdim.mV[1]/distance)*2.f*RAD_TO_DEG;
-	F32 aspect = tdim.mV[0]/tdim.mV[1];
-	glh::matrix4f persp = gl_perspective(fov, aspect, 1.f, 256.f);
-	glh_set_current_projection(persp);
-	gGL.loadMatrix(persp.m);
+		F32 distance = (pos-camera.getOrigin()).length();
+		F32 fov = atanf(tdim.mV[1]/distance)*2.f*RAD_TO_DEG;
+		F32 aspect = tdim.mV[0]/tdim.mV[1];
+		glh::matrix4f persp = gl_perspective(fov, aspect, 1.f, 256.f);
+		glh_set_current_projection(persp);
+		gGL.loadMatrix(persp.m);
 
-	gGL.matrixMode(LLRender::MM_MODELVIEW);
-	gGL.pushMatrix();
-	glh::matrix4f mat;
-	camera.getOpenGLTransform(mat.m);
+		gGL.matrixMode(LLRender::MM_MODELVIEW);
+		gGL.pushMatrix();
+		glh::matrix4f mat;
+		camera.getOpenGLTransform(mat.m);
 
-	mat = glh::matrix4f((GLfloat*) OGL_TO_CFR_ROTATION) * mat;
+		mat = glh::matrix4f((GLfloat*) OGL_TO_CFR_ROTATION) * mat;
 
-	gGL.loadMatrix(mat.m);
-	glh_set_current_modelview(mat);
+		gGL.loadMatrix(mat.m);
+		glh_set_current_modelview(mat);
 
-	glClearColor(0.0f,0.0f,0.0f,0.0f);
-	gGL.setColorMask(true, true);
+		glClearColor(0.0f,0.0f,0.0f,0.0f);
+		gGL.setColorMask(true, true);
 	
-	// get the number of pixels per angle
-	F32 pa = gViewerWindow->getWindowHeightRaw() / (RAD_TO_DEG * viewer_camera->getView());
+		// get the number of pixels per angle
+		F32 pa = gViewerWindow->getWindowHeightRaw() / (RAD_TO_DEG * viewer_camera->getView());
 
-	//get resolution based on angle width and height of impostor (double desired resolution to prevent aliasing)
-	U32 resY = llmin(nhpo2((U32) (fov*pa)), (U32) 512);
-	U32 resX = llmin(nhpo2((U32) (atanf(tdim.mV[0]/distance)*2.f*RAD_TO_DEG*pa)), (U32) 512);
+		//get resolution based on angle width and height of impostor (double desired resolution to prevent aliasing)
+		resY = llmin(nhpo2((U32) (fov*pa)), (U32) 512);
+		resX = llmin(nhpo2((U32) (atanf(tdim.mV[0]/distance)*2.f*RAD_TO_DEG*pa)), (U32) 512);
 
-	if (!avatar->mImpostor.isComplete() || resX != avatar->mImpostor.getWidth() ||
-		resY != avatar->mImpostor.getHeight())
-	{
-		avatar->mImpostor.allocate(resX,resY,GL_RGBA,TRUE,FALSE);
+		if (!avatar->mImpostor.isComplete())
+		{
+			LLFastTimer t(FTM_IMPOSTOR_ALLOCATE);
+			avatar->mImpostor.allocate(resX,resY,GL_RGBA,TRUE,FALSE);
+
+			if (LLPipeline::sRenderDeferred)
+			{
+				addDeferredAttachments(avatar->mImpostor);
+			}
 		
-		if (LLPipeline::sRenderDeferred)
+			gGL.getTexUnit(0)->bind(&avatar->mImpostor);
+			gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
+			gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+		}
+		else if(resX != avatar->mImpostor.getWidth() ||
+			resY != avatar->mImpostor.getHeight())
 		{
-			addDeferredAttachments(avatar->mImpostor);
+			LLFastTimer t(FTM_IMPOSTOR_RESIZE);
+			avatar->mImpostor.resize(resX,resY,GL_RGBA);
 		}
-		
-		gGL.getTexUnit(0)->bind(&avatar->mImpostor);
-		gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
-		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-	}
 
-	avatar->mImpostor.bindTarget();
+		avatar->mImpostor.bindTarget();
+	}
 
 	if (LLPipeline::sRenderDeferred)
 	{
@@ -9688,6 +9751,7 @@ void LLPipeline::generateImpostor(LLVOAvatar* avatar)
 	}
 	
 	{ //create alpha mask based on depth buffer (grey out if muted)
+		LLFastTimer t(FTM_IMPOSTOR_BACKGROUND);
 		if (LLPipeline::sRenderDeferred)
 		{
 			GLuint buff = GL_COLOR_ATTACHMENT0;
-- 
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