C++ LLFrameTimer::getElapsedTimeAndResetF32方法代码示例

// Print this:
// { 'meta':
//		{ 'elapsed_time':r3600.000 }
//   'stats':
//		[ {'location':'location_1', 'mesg':'mesg_1', 'success':i10, 'fail':i0},
//		  {'location':'location_1', 'mesg':'mesg_2', 'success':i10, 'fail':i0},
//		  {'location':'location_2', 'mesg':'mesg_3', 'success':i10, 'fail':i0} ] }
void LLMetricsImpl::printTotals(LLSD metadata)
{
	F32 elapsed_time = mLastPrintTimer.getElapsedTimeAndResetF32();
	metadata["elapsed_time"] = elapsed_time;

	LLSD out_sd = LLSD::emptyMap();
	out_sd["meta"] = metadata;
		
	LLSD stats = LLSD::emptyArray();

	LLSD::map_const_iterator loc_it = mMetricsMap.beginMap();
	LLSD::map_const_iterator loc_end = mMetricsMap.endMap();
	for ( ; loc_it != loc_end; ++loc_it)
	{
		const std::string& location = (*loc_it).first;
		
		const LLSD& loc_map = (*loc_it).second;
		LLSD::map_const_iterator mesg_it = loc_map.beginMap();
		LLSD::map_const_iterator mesg_end = loc_map.endMap();
		for ( ; mesg_it != mesg_end; ++mesg_it)
		{
			const std::string& mesg = (*mesg_it).first;
			const LLSD& mesg_map = (*mesg_it).second;

			LLSD entry = LLSD::emptyMap();
			entry["location"] = location;
			entry["mesg"] = mesg;
			entry["success"] = mesg_map["success"];
			entry["fail"] = mesg_map["fail"];
		
			stats.append(entry);
		}
	}

	out_sd["stats"] = stats;

	llinfos << "LLMETRICS: AGGREGATE: " << LLSDOStreamer<LLSDNotationFormatter>(out_sd) << llendl;
}

void LLViewerPartSim::updateSimulation()
{
	LLMemType mt(LLMemType::MTYPE_PARTICLES);
	
	static LLFrameTimer update_timer;

	const F32 dt = llmin(update_timer.getElapsedTimeAndResetF32(), 0.1f);

 	if (!(gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_PARTICLES)))
	{
		return;
	}

	LLFastTimer ftm(LLFastTimer::FTM_SIMULATE_PARTICLES);

	// Start at a random particle system so the same
	// particle system doesn't always get first pick at the
	// particles.  Theoretically we'd want to do this in distance
	// order or something, but sorting particle sources will be a big
	// pain.
	S32 i;
	S32 count = (S32) mViewerPartSources.size();
	S32 start = (S32)ll_frand((F32)count);
	S32 dir = 1;
	S32 deldir = 0;
	if (ll_frand() > 0.5f)
	{
		dir = -1;
		deldir = -1;
	}

	S32 num_updates = 0;
	for (i = start; num_updates < count;)
	{
		if (i >= count)
		{
			i = 0;
		}
		if (i < 0)
		{
			i = count - 1;
		}

		if (!mViewerPartSources[i]->isDead())
		{
			BOOL upd = TRUE;
			if (!LLPipeline::sRenderAttachedParticles)
			{
				LLViewerObject* vobj = mViewerPartSources[i]->mSourceObjectp;
				if (vobj && (vobj->getPCode() == LL_PCODE_VOLUME))
				{
					LLVOVolume* vvo = (LLVOVolume *)vobj;
					if (vvo && vvo->isAttachment())
					{
						upd = FALSE;
					}
				}
			}

			if (upd) 
			{
				mViewerPartSources[i]->update(dt);
			}
		}

		if (mViewerPartSources[i]->isDead())
		{
			mViewerPartSources.erase(mViewerPartSources.begin() + i);
			count--;
			i+=deldir;
		}
		else
        {
			 i += dir;
        }
		num_updates++;
	}

	count = (S32) mViewerPartGroups.size();
	for (i = 0; i < count; i++)
	{
		LLViewerObject* vobj = mViewerPartGroups[i]->mVOPartGroupp;

		S32 visirate = 1;
		if (vobj)
		{
			LLSpatialGroup* group = vobj->mDrawable->getSpatialGroup();
			if (group && !group->isVisible()) // && !group->isState(LLSpatialGroup::OBJECT_DIRTY))
			{
				visirate = 8;
			}
		}

		if ((LLDrawable::getCurrentFrame()+mViewerPartGroups[i]->mID)%visirate == 0)
		{
			if (vobj)
			{
				gPipeline.markRebuild(vobj->mDrawable, LLDrawable::REBUILD_ALL, TRUE);
			}
			mViewerPartGroups[i]->updateParticles(dt * visirate);
//.........这里部分代码省略.........

void LLDrawPoolTerrain::renderFull4TUShader()
{
	glEnableClientState(GL_VERTEX_ARRAY);
	glEnableClientState(GL_NORMAL_ARRAY);

	if (gPipeline.getLightingDetail() >= 2)
	{
		glEnableClientState(GL_COLOR_ARRAY);
	}
	
	glBlendFunc(GL_ONE_MINUS_SRC_ALPHA, GL_SRC_ALPHA);
	
	// Hack! Get the region that this draw pool is rendering from!
	LLViewerRegion *regionp = mDrawFace[0]->getDrawable()->getVObj()->getRegion();
	LLVLComposition *compp = regionp->getComposition();
	LLViewerImage *detail_texture0p = compp->mDetailTextures[0];
	LLViewerImage *detail_texture1p = compp->mDetailTextures[1];
	LLViewerImage *detail_texture2p = compp->mDetailTextures[2];
	LLViewerImage *detail_texture3p = compp->mDetailTextures[3];

	static F32 dp = 0.f;
	static LLFrameTimer timer;
	dp += timer.getElapsedTimeAndResetF32();

	LLVector3d region_origin_global = gAgent.getRegion()->getOriginGlobal();

	F32 offset_x = (F32)fmod(region_origin_global.mdV[VX], 1.0/(F64)sDetailScale)*sDetailScale;
	F32 offset_y = (F32)fmod(region_origin_global.mdV[VY], 1.0/(F64)sDetailScale)*sDetailScale;

	LLVector4 tp0, tp1;
	
	tp0.setVec(sDetailScale, 0.0f, 0.0f, offset_x);
	tp1.setVec(0.0f, sDetailScale, 0.0f, offset_y);

	//----------------------------------------------------------------------------
	// Pass 1/1

	//
	// Stage 0: detail texture 0
	//
	
	S32 detailTex0 = gTerrainProgram.enableTexture(LLShaderMgr::TERRAIN_DETAIL0);
	S32 detailTex1 = gTerrainProgram.enableTexture(LLShaderMgr::TERRAIN_DETAIL1);
	S32 rampTex = gTerrainProgram.enableTexture(LLShaderMgr::TERRAIN_ALPHARAMP);
	
	LLViewerImage::bindTexture(detail_texture0p,detailTex0);

	glClientActiveTextureARB(GL_TEXTURE0_ARB);
	glActiveTextureARB(GL_TEXTURE0_ARB);
	glDisableClientState(GL_TEXTURE_COORD_ARRAY);
	glEnable(GL_TEXTURE_GEN_S);
	glEnable(GL_TEXTURE_GEN_T);
	glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
	glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);

	glTexGenfv(GL_S, GL_OBJECT_PLANE, tp0.mV);
	glTexGenfv(GL_T, GL_OBJECT_PLANE, tp1.mV);

	//
	// Stage 1: Generate alpha ramp for detail0/detail1 transition
	//
	LLViewerImage::bindTexture(m2DAlphaRampImagep,rampTex);

	glClientActiveTextureARB(GL_TEXTURE1_ARB);
	glEnableClientState(GL_TEXTURE_COORD_ARRAY);

	//
	// Stage 2: Interpolate detail1 with existing based on ramp
	//
	LLViewerImage::bindTexture(detail_texture1p,detailTex1);
	
	glClientActiveTextureARB(GL_TEXTURE2_ARB);
	glActiveTextureARB(GL_TEXTURE2_ARB);
	glDisableClientState(GL_TEXTURE_COORD_ARRAY);
	glEnable(GL_TEXTURE_GEN_S);
	glEnable(GL_TEXTURE_GEN_T);
	glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
	glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
	glTexGenfv(GL_S, GL_OBJECT_PLANE, tp0.mV);
	glTexGenfv(GL_T, GL_OBJECT_PLANE, tp1.mV);

	//
	// Stage 3: Modulate with primary color for lighting
	//
	//LLViewerImage::bindTexture(detail_texture1p,3); // bind any texture
	//glEnable(GL_TEXTURE_2D); // Texture unit 3
	glClientActiveTextureARB(GL_TEXTURE3_ARB);
	glActiveTextureARB(GL_TEXTURE3_ARB);
	// GL_BLEND disabled by default
	drawLoop();

	//----------------------------------------------------------------------------
	// Second pass

	//
	// Stage 0: Write detail3 into base
	//
	LLViewerImage::bindTexture(detail_texture2p,detailTex0);
	
	glClientActiveTextureARB(GL_TEXTURE0_ARB);
//.........这里部分代码省略.........