SingularityViewer/indra/newview/lldrawpoolavatar.cpp

/** 
 * @file lldrawpoolavatar.cpp
 * @brief LLDrawPoolAvatar class implementation
 *
 * $LicenseInfo:firstyear=2002&license=viewergpl$
 * 
 * Copyright (c) 2002-2009, Linden Research, Inc.
 * 
 * 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
 * 
 * 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
 * 
 * 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.
 * 
 * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
 * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
 * COMPLETENESS OR PERFORMANCE.
 * $/LicenseInfo$
 */

#include "llviewerprecompiledheaders.h"

#include "lldrawpoolavatar.h"
#include "llskinningutil.h"
#include "llrender.h"

#include "llvoavatar.h"
#include "m3math.h"
#include "llmatrix4a.h"

#include "llagent.h" //for gAgent.needsRenderAvatar()
#include "lldrawable.h"
#include "lldrawpoolbump.h"
#include "llface.h"
#include "llmeshrepository.h"
#include "llsky.h"
#include "llviewercamera.h"
#include "llviewerregion.h"
#include "llperlin.h"
#include "pipeline.h"
#include "llviewershadermgr.h"
#include "llvovolume.h"
#include "llvolume.h"
#include "llappviewer.h"
#include "llrendersphere.h"
#include "llviewerpartsim.h"
#include "llviewercontrol.h" // for gSavedSettings

static U32 sDataMask = LLDrawPoolAvatar::VERTEX_DATA_MASK;
static U32 sBufferUsage = GL_STREAM_DRAW_ARB;
static U32 sShaderLevel = 0;

LLGLSLShader* LLDrawPoolAvatar::sVertexProgram = NULL;
BOOL	LLDrawPoolAvatar::sSkipOpaque = FALSE;
BOOL	LLDrawPoolAvatar::sSkipTransparent = FALSE;
S32 LLDrawPoolAvatar::sDiffuseChannel = 0;
F32 LLDrawPoolAvatar::sMinimumAlpha = 0.2f;


static bool is_deferred_render = false;
static bool is_post_deferred_render = false;
static bool is_mats_render = false;

extern BOOL gUseGLPick;

F32 CLOTHING_GRAVITY_EFFECT = 0.7f;
F32 CLOTHING_ACCEL_FORCE_FACTOR = 0.2f;
const S32 NUM_TEST_AVATARS = 30;
const S32 MIN_PIXEL_AREA_2_PASS_SKINNING = 500000000;

// Format for gAGPVertices
// vertex format for bumpmapping:
//  vertices   12
//  pad		    4
//  normals    12
//  pad		    4
//  texcoords0  8
//  texcoords1  8
// total       48
//
// for no bumpmapping
//  vertices	   12
//  texcoords	8
//  normals	   12
// total	   32
//

S32 AVATAR_OFFSET_POS = 0;
S32 AVATAR_OFFSET_NORMAL = 16;
S32 AVATAR_OFFSET_TEX0 = 32;
S32 AVATAR_OFFSET_TEX1 = 40;
S32 AVATAR_VERTEX_BYTES = 48;

BOOL gAvatarEmbossBumpMap = FALSE;
static BOOL sRenderingSkinned = FALSE;
S32 normal_channel = -1;
S32 specular_channel = -1;
S32 cube_channel = -1;

static LLTrace::BlockTimerStatHandle FTM_SHADOW_AVATAR("Avatar Shadow");

LLDrawPoolAvatar::LLDrawPoolAvatar() : 
	LLFacePool(POOL_AVATAR)	
{
}

//-----------------------------------------------------------------------------
// instancePool()
//-----------------------------------------------------------------------------
LLDrawPool *LLDrawPoolAvatar::instancePool()
{
	return new LLDrawPoolAvatar();
}

S32 LLDrawPoolAvatar::getVertexShaderLevel() const
{
	return (S32) LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_AVATAR);
}

void LLDrawPoolAvatar::prerender()
{
	mVertexShaderLevel = LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_AVATAR);
	
	sShaderLevel = mVertexShaderLevel;
	
	if (sShaderLevel > 0)
	{
		sBufferUsage = GL_DYNAMIC_DRAW_ARB;
		//sBufferUsage = GL_STATIC_DRAW_ARB;
	}
	else
	{
		sBufferUsage = GL_STREAM_DRAW_ARB;
	}

	if (!mDrawFace.empty())
	{

		const LLFace *facep = mDrawFace[0];
		if (facep && facep->getDrawable())
		{
			LLVOAvatar* avatarp = (LLVOAvatar *)facep->getDrawable()->getVObj().get();
			updateRiggedVertexBuffers(avatarp);
		}
	}
}

const LLMatrix4a& LLDrawPoolAvatar::getModelView()
{
	return gGLModelView;
}

//-----------------------------------------------------------------------------
// render()
//-----------------------------------------------------------------------------
void LLDrawPoolAvatar::beginDeferredPass(S32 pass)
{
	LL_RECORD_BLOCK_TIME(FTM_RENDER_CHARACTERS);
	
	sSkipTransparent = TRUE;
	is_deferred_render = true;
	
	if (LLPipeline::sImpostorRender)
	{ //impostor pass does not have rigid or impostor rendering
		pass += 2;
	}

	switch (pass)
	{
	case 0:
		beginDeferredImpostor();
		break;
	case 1:
		beginDeferredRigid();
		break;
	case 2:
		beginDeferredSkinned();
		break;
	case 3:
		beginDeferredRiggedSimple();
		break;
	case 4:
		beginDeferredRiggedBump();
		break;
	default:
		beginDeferredRiggedMaterial(pass-5);
		break;
	}
}

void LLDrawPoolAvatar::endDeferredPass(S32 pass)
{
	LL_RECORD_BLOCK_TIME(FTM_RENDER_CHARACTERS);

	sSkipTransparent = FALSE;
	is_deferred_render = false;

	if (LLPipeline::sImpostorRender)
	{
		pass += 2;
	}

	switch (pass)
	{
	case 0:
		endDeferredImpostor();
		break;
	case 1:
		endDeferredRigid();
		break;
	case 2:
		endDeferredSkinned();
		break;
	case 3:
		endDeferredRiggedSimple();
		break;
	case 4:
		endDeferredRiggedBump();
		break;
	default:
		endDeferredRiggedMaterial(pass-5);
		break;
	}
}

void LLDrawPoolAvatar::renderDeferred(S32 pass)
{
	render(pass);
}

S32 LLDrawPoolAvatar::getNumPostDeferredPasses()
{
	return 10;
}

void LLDrawPoolAvatar::beginPostDeferredPass(S32 pass)
{
	switch (pass)
	{
	case 0:
		beginPostDeferredAlpha();
		break;
	case 1:
		beginRiggedFullbright();
		break;
	case 2:
		beginRiggedFullbrightShiny();
		break;
	case 3:
		beginDeferredRiggedAlpha();
		break;
	case 4:
		beginRiggedFullbrightAlpha();
		break;
	case 9:
		beginRiggedGlow();
		break;
	default:
		beginDeferredRiggedMaterialAlpha(pass-5);
		break;
	}
}

void LLDrawPoolAvatar::beginPostDeferredAlpha()
{
	sSkipOpaque = TRUE;
	sShaderLevel = mVertexShaderLevel;
	sVertexProgram = &gDeferredAvatarAlphaProgram;
	sRenderingSkinned = TRUE;

	gPipeline.bindDeferredShader(*sVertexProgram);

	sVertexProgram->setMinimumAlpha(LLDrawPoolAvatar::sMinimumAlpha);

	sDiffuseChannel = sVertexProgram->enableTexture(LLViewerShaderMgr::DIFFUSE_MAP);
}

void LLDrawPoolAvatar::beginDeferredRiggedAlpha()
{
	sVertexProgram = &gDeferredSkinnedAlphaProgram;
	gPipeline.bindDeferredShader(*sVertexProgram);
	sDiffuseChannel = sVertexProgram->enableTexture(LLViewerShaderMgr::DIFFUSE_MAP);
	gPipeline.enableLightsDynamic(*(LLGLState<GL_LIGHTING>*)gPipeline.pushRenderPassState<GL_LIGHTING>());
}

void LLDrawPoolAvatar::beginDeferredRiggedMaterialAlpha(S32 pass)
{
	switch (pass)
	{
	case 0: pass = 1; break;
	case 1: pass = 5; break;
	case 2: pass = 9; break;
	default: pass = 13; break;
	}
	pass += LLMaterial::SHADER_COUNT;
	sVertexProgram = &gDeferredMaterialProgram[pass];
	if (LLPipeline::sUnderWaterRender)
	{
		sVertexProgram = &(gDeferredMaterialWaterProgram[pass]);
	}
	gPipeline.bindDeferredShader(*sVertexProgram);
	sDiffuseChannel = sVertexProgram->enableTexture(LLViewerShaderMgr::DIFFUSE_MAP);
	normal_channel = sVertexProgram->enableTexture(LLViewerShaderMgr::BUMP_MAP);
	specular_channel = sVertexProgram->enableTexture(LLViewerShaderMgr::SPECULAR_MAP);
	gPipeline.enableLightsDynamic(*(LLGLState<GL_LIGHTING>*)gPipeline.pushRenderPassState<GL_LIGHTING>());
}
void LLDrawPoolAvatar::endDeferredRiggedAlpha()
{
	LLVertexBuffer::unbind();
	gPipeline.unbindDeferredShader(*sVertexProgram);
	sDiffuseChannel = 0;
	normal_channel = -1;
	specular_channel = -1;
	sVertexProgram = NULL;
}

void LLDrawPoolAvatar::endPostDeferredPass(S32 pass)
{
	switch (pass)
	{
	case 0:
		endPostDeferredAlpha();
		break;
	case 1:
		endRiggedFullbright();
		break;
	case 2:
		endRiggedFullbrightShiny();
		break;
	case 3:
		endDeferredRiggedAlpha();
		break;
	case 4:
		endRiggedFullbrightAlpha();
		break;
	case 5:
		endRiggedGlow();
		break;
	default:
		endDeferredRiggedAlpha();
		break;
	}
}

void LLDrawPoolAvatar::endPostDeferredAlpha()
{
	// if we're in software-blending, remember to set the fence _after_ we draw so we wait till this rendering is done
	sRenderingSkinned = FALSE;
	sSkipOpaque = FALSE;
		
	gPipeline.unbindDeferredShader(*sVertexProgram);
	sDiffuseChannel = 0;
	sShaderLevel = mVertexShaderLevel;
}

void LLDrawPoolAvatar::renderPostDeferred(S32 pass)
{
	static const S32 actual_pass[] =
	{ //map post deferred pass numbers to what render() expects
		2, //skinned
		4, // rigged fullbright
		6, //rigged fullbright shiny
		7, //rigged alpha
		8, //rigged fullbright alpha
		9, //rigged glow
		10,//rigged material alpha 2
		11,//rigged material alpha 3
		12,//rigged material alpha 4
		13, //rigged glow
	};

	S32 p = actual_pass[pass];

	if (LLPipeline::sImpostorRender)
	{ //HACK for impostors so actual pass ends up being proper pass
		p -= 2;
	}

	is_post_deferred_render = true;
	render(p);
	is_post_deferred_render = false;
}


S32 LLDrawPoolAvatar::getNumShadowPasses()
{
	return 2;
}

void LLDrawPoolAvatar::beginShadowPass(S32 pass)
{
	LL_RECORD_BLOCK_TIME(FTM_SHADOW_AVATAR);

	if (pass == 0)
	{
		sVertexProgram = &gDeferredAvatarShadowProgram;
		
		//gGL.setAlphaRejectSettings(LLRender::CF_GREATER_EQUAL, 0.2f);		

		if ((sShaderLevel > 0))  // for hardware blending
		{
			sRenderingSkinned = TRUE;
			sVertexProgram->bind();
		}

		gGL.diffuseColor4f(1,1,1,1);
	}
	else
	{
		sVertexProgram = &gDeferredAttachmentShadowProgram;
		sDiffuseChannel = sVertexProgram->enableTexture(LLViewerShaderMgr::DIFFUSE_MAP);
		sVertexProgram->bind();
	}
}

void LLDrawPoolAvatar::endShadowPass(S32 pass)
{
	LL_RECORD_BLOCK_TIME(FTM_SHADOW_AVATAR);
	if (pass == 0)
	{
		if (sShaderLevel > 0)
		{
			sRenderingSkinned = FALSE;
			sVertexProgram->unbind();
		}
	}
	else
	{
		LLVertexBuffer::unbind();
		sVertexProgram->unbind();
		sVertexProgram = NULL;
	}
}

void LLDrawPoolAvatar::renderShadow(S32 pass)
{
	LL_RECORD_BLOCK_TIME(FTM_SHADOW_AVATAR);

	if (mDrawFace.empty())
	{
		return;
	}

	const LLFace *facep = mDrawFace[0];
	if (!facep->getDrawable())
	{
		return;
	}
	LLVOAvatar *avatarp = (LLVOAvatar *)facep->getDrawable()->getVObj().get();

	if (avatarp->isDead() || avatarp->mIsDummy || avatarp->mDrawable.isNull())
	{
		return;
	}

	BOOL impostor = avatarp->isImpostor();
	if (impostor)
	{
		return;
	}
	
	if (pass == 0)
	{
		avatarp->renderSkinned(AVATAR_RENDER_PASS_SINGLE);
	}
	else
	{
		for (U32 i = 0; i < NUM_RIGGED_PASSES; ++i)
		{
			renderRigged(avatarp, i);
		}
	}
}

S32 LLDrawPoolAvatar::getNumPasses()
{
	if (LLPipeline::sImpostorRender)
	{
		return 8;
	}
	else 
	{
		return 10;
	}
}


S32 LLDrawPoolAvatar::getNumDeferredPasses()
{
	if (LLPipeline::sImpostorRender)
	{
		return 19;
	}
	else
	{
		return 21;
	}
}


void LLDrawPoolAvatar::render(S32 pass)
{
	LL_RECORD_BLOCK_TIME(FTM_RENDER_CHARACTERS);
	if (LLPipeline::sImpostorRender)
	{
		renderAvatars(NULL, pass+2);
		return;
	}

	renderAvatars(NULL, pass); // render all avatars
}

void LLDrawPoolAvatar::beginRenderPass(S32 pass)
{
	LL_RECORD_BLOCK_TIME(FTM_RENDER_CHARACTERS);
	//reset vertex buffer mappings
	LLVertexBuffer::unbind();

	if (LLPipeline::sImpostorRender)
	{ //impostor render does not have impostors or rigid rendering
		pass += 2;
	}

	switch (pass)
	{
	case 0:
		beginImpostor();
		break;
	case 1:
		beginRigid();
		break;
	case 2:
		beginSkinned();
		break;
	case 3:
		beginRiggedSimple();
		break;
	case 4:
		beginRiggedFullbright();
		break;
	case 5:
		beginRiggedShinySimple();
		break;
	case 6:
		beginRiggedFullbrightShiny();
		break;
	case 7:
		beginRiggedAlpha();
		break;
	case 8:
		beginRiggedFullbrightAlpha();
		break;
	case 9:
		beginRiggedGlow();
		break;
	}

	if (pass == 0)
	{ //make sure no stale colors are left over from a previous render
		gGL.diffuseColor4f(1,1,1,1);
	}
}

void LLDrawPoolAvatar::endRenderPass(S32 pass)
{
	LL_RECORD_BLOCK_TIME(FTM_RENDER_CHARACTERS);

	if (LLPipeline::sImpostorRender)
	{
		pass += 2;		
	}

	switch (pass)
	{
	case 0:
		endImpostor();
		break;
	case 1:
		endRigid();
		break;
	case 2:
		endSkinned();
		break;
	case 3:
		endRiggedSimple();
		break;
	case 4:
		endRiggedFullbright();
		break;
	case 5:
		endRiggedShinySimple();
		break;
	case 6:
		endRiggedFullbrightShiny();
		break;
	case 7:
		endRiggedAlpha();
		break;
	case 8:
		endRiggedFullbrightAlpha();
		break;
	case 9:
		endRiggedGlow();
		break;
	}
}

void LLDrawPoolAvatar::beginImpostor()
{
	if (!LLPipeline::sReflectionRender)
	{
		LLVOAvatar::sRenderDistance = llclamp(LLVOAvatar::sRenderDistance, 16.f, 256.f);
		LLVOAvatar::sNumVisibleAvatars = 0;
	}

	if (LLGLSLShader::sNoFixedFunction)
	{
		gImpostorProgram.bind();
		gImpostorProgram.setMinimumAlpha(0.01f);
	}

	gPipeline.enableLightsFullbright(*(LLGLState<GL_LIGHTING>*)gPipeline.pushRenderPassState<GL_LIGHTING>());
	sDiffuseChannel = 0;
}

void LLDrawPoolAvatar::endImpostor()
{
	if (LLGLSLShader::sNoFixedFunction)
	{
		gImpostorProgram.unbind();
	}
}

void LLDrawPoolAvatar::beginRigid()
{
	if (LLGLSLShader::sNoFixedFunction)
	{
		if (LLPipeline::sUnderWaterRender)
		{
			sVertexProgram = &gObjectAlphaMaskNoColorWaterProgram;
		}
		else
		{
			sVertexProgram = &gObjectAlphaMaskNoColorProgram;
		}
		
		if (sVertexProgram != NULL)
		{	//eyeballs render with the specular shader
			sVertexProgram->bind();
			sVertexProgram->setMinimumAlpha(LLDrawPoolAvatar::sMinimumAlpha);
		}
	}
	else
	{
		sVertexProgram = NULL;
	}
}

void LLDrawPoolAvatar::endRigid()
{
	sShaderLevel = mVertexShaderLevel;
	if (sVertexProgram != NULL)
	{
		sVertexProgram->unbind();
	}
}

void LLDrawPoolAvatar::beginDeferredImpostor()
{
	if (!LLPipeline::sReflectionRender)
	{
		LLVOAvatar::sRenderDistance = llclamp(LLVOAvatar::sRenderDistance, 16.f, 256.f);
		LLVOAvatar::sNumVisibleAvatars = 0;
	}

	sVertexProgram = &gDeferredImpostorProgram;

	specular_channel = sVertexProgram->enableTexture(LLViewerShaderMgr::SPECULAR_MAP);
	normal_channel = sVertexProgram->enableTexture(LLViewerShaderMgr::DEFERRED_NORMAL);
	sDiffuseChannel = sVertexProgram->enableTexture(LLViewerShaderMgr::DIFFUSE_MAP);
				
	sVertexProgram->bind();
	sVertexProgram->setMinimumAlpha(0.01f);
}

void LLDrawPoolAvatar::endDeferredImpostor()
{
	sShaderLevel = mVertexShaderLevel;
	sVertexProgram->disableTexture(LLViewerShaderMgr::DEFERRED_NORMAL);
	sVertexProgram->disableTexture(LLViewerShaderMgr::SPECULAR_MAP);
	sVertexProgram->disableTexture(LLViewerShaderMgr::DIFFUSE_MAP);
	gPipeline.unbindDeferredShader(*sVertexProgram);
   sVertexProgram = NULL;
   sDiffuseChannel = 0;
}

void LLDrawPoolAvatar::beginDeferredRigid()
{
	sVertexProgram = &gDeferredNonIndexedDiffuseAlphaMaskNoColorProgram;
	sDiffuseChannel = sVertexProgram->enableTexture(LLViewerShaderMgr::DIFFUSE_MAP);
	sVertexProgram->bind();
	sVertexProgram->setMinimumAlpha(LLDrawPoolAvatar::sMinimumAlpha);
}

void LLDrawPoolAvatar::endDeferredRigid()
{
	sShaderLevel = mVertexShaderLevel;
	sVertexProgram->disableTexture(LLViewerShaderMgr::DIFFUSE_MAP);
	sVertexProgram->unbind();
	gGL.getTexUnit(0)->activate();
}


void LLDrawPoolAvatar::beginSkinned()
{
	if (!LLGLSLShader::sNoFixedFunction)
	{
		sVertexProgram = NULL;
		return;
	}

	if (sShaderLevel > 0)	// for hardware blending
	{
		if (LLPipeline::sUnderWaterRender)
		{
			sVertexProgram = &gAvatarWaterProgram;
			sShaderLevel = 1;
		}
		else
		{
			sVertexProgram = &gAvatarProgram;
		}
	}
	else
	{
		if (LLPipeline::sUnderWaterRender)
		{
			sVertexProgram = &gObjectAlphaMaskNoColorWaterProgram;
		}
		else
		{
			sVertexProgram = &gObjectAlphaMaskNoColorProgram;
		}
	}
	
	if (sShaderLevel > 0)  // for hardware blending
	{
		sRenderingSkinned = TRUE;

		sVertexProgram->bind();
		sVertexProgram->enableTexture(LLViewerShaderMgr::BUMP_MAP);
		gGL.getTexUnit(0)->activate();
	}
	else
	{
		// software skinning, use a basic shader for windlight.
		// TODO: find a better fallback method for software skinning.
		sVertexProgram->bind();
	}

	if (LLGLSLShader::sNoFixedFunction)
	{
		sVertexProgram->setMinimumAlpha(LLDrawPoolAvatar::sMinimumAlpha);
	}
}

void LLDrawPoolAvatar::endSkinned()
{
	// if we're in software-blending, remember to set the fence _after_ we draw so we wait till this rendering is done
	if (sShaderLevel > 0)
	{
		sRenderingSkinned = FALSE;
		sVertexProgram->disableTexture(LLViewerShaderMgr::BUMP_MAP);
		gGL.getTexUnit(0)->activate();
		sShaderLevel = mVertexShaderLevel;
	}

	if(sVertexProgram)
	{
		sVertexProgram->unbind();
	}

	gGL.getTexUnit(0)->activate();
}

void LLDrawPoolAvatar::beginRiggedSimple()
{
	sDiffuseChannel = 0;
	if (!LLGLSLShader::sNoFixedFunction)
	{
		sVertexProgram = NULL;
		return;
	}

	sVertexProgram = &gObjectSimpleProgram[1<<SHD_ALPHA_MASK_BIT | LLPipeline::sUnderWaterRender<<SHD_WATER_BIT | 1<<SHD_NO_INDEX_BIT | (sShaderLevel>0)<<SHD_SKIN_BIT];
	llassert_always(sVertexProgram->mProgramObject > 0);

	sDiffuseChannel = 0;
	sVertexProgram->bind();
}

void LLDrawPoolAvatar::endRiggedSimple()
{
	LLVertexBuffer::unbind();

	if(!sVertexProgram)
		return;

	sVertexProgram->unbind();
	sVertexProgram = NULL;
}

void LLDrawPoolAvatar::beginRiggedAlpha()
{
	beginRiggedSimple();
}

void LLDrawPoolAvatar::endRiggedAlpha()
{
	endRiggedSimple();
}


void LLDrawPoolAvatar::beginRiggedFullbrightAlpha()
{
	beginRiggedFullbright();
}

void LLDrawPoolAvatar::endRiggedFullbrightAlpha()
{
	endRiggedFullbright();
}

void LLDrawPoolAvatar::beginRiggedGlow()
{
	sDiffuseChannel = 0;
	if (!LLGLSLShader::sNoFixedFunction)
	{
		sVertexProgram = NULL;
		return;
	}

	sVertexProgram = &gObjectEmissiveProgram[1<<SHD_ALPHA_MASK_BIT | LLPipeline::sUnderWaterRender<<SHD_WATER_BIT | 1<<SHD_NO_INDEX_BIT | (sShaderLevel>0)<<SHD_SKIN_BIT];
	llassert_always(sVertexProgram->mProgramObject > 0);

	sVertexProgram->bind();
	sVertexProgram->uniform1f(LLShaderMgr::TEXTURE_GAMMA, LLPipeline::sRenderDeferred ? 2.2f : 1.1f);
	//F32 gamma = gSavedSettings.getF32("RenderDeferredDisplayGamma");
	//sVertexProgram->uniform1f(LLShaderMgr::DISPLAY_GAMMA, (gamma > 0.1f) ? 1.0f / gamma : (1.0f/2.2f));
}
void LLDrawPoolAvatar::endRiggedGlow()
{
	endRiggedFullbright();
}

void LLDrawPoolAvatar::beginRiggedFullbright()
{
	sDiffuseChannel = 0;
	if (!LLGLSLShader::sNoFixedFunction)
	{
		sVertexProgram = NULL;
		return;
	}
	if (sShaderLevel > 0 && !LLPipeline::sUnderWaterRender && LLPipeline::sRenderDeferred)
	{
		sVertexProgram = &gDeferredSkinnedFullbrightProgram;
	}
	else
	{
		sVertexProgram = &gObjectFullbrightProgram[1<<SHD_ALPHA_MASK_BIT | LLPipeline::sUnderWaterRender<<SHD_WATER_BIT | 1<<SHD_NO_INDEX_BIT | (sShaderLevel>0)<<SHD_SKIN_BIT];
	}
	llassert_always(sVertexProgram->mProgramObject > 0);

	sVertexProgram->bind();
	if (LLPipeline::sRenderingHUDs || !LLPipeline::sRenderDeferred)
	{
		sVertexProgram->uniform1f(LLShaderMgr::TEXTURE_GAMMA, 1.0f);
	} 
	else 
	{
		sVertexProgram->uniform1f(LLShaderMgr::TEXTURE_GAMMA, 2.2f);
		//F32 gamma = gSavedSettings.getF32("RenderDeferredDisplayGamma");
		//sVertexProgram->uniform1f(LLShaderMgr::DISPLAY_GAMMA, (gamma > 0.1f) ? 1.0f / gamma : (1.0f/2.2f));
	}
}

void LLDrawPoolAvatar::endRiggedFullbright()
{
	LLVertexBuffer::unbind();

	if(!sVertexProgram)
		return;

	sVertexProgram->unbind();
	sVertexProgram = NULL;
}

void LLDrawPoolAvatar::beginRiggedShinySimple()
{
	if (!LLGLSLShader::sNoFixedFunction)
	{
		sVertexProgram = NULL;
		return;
	}

	sVertexProgram = &gObjectSimpleProgram[1<<SHD_ALPHA_MASK_BIT | LLPipeline::sUnderWaterRender<<SHD_WATER_BIT | 1<<SHD_NO_INDEX_BIT | (sShaderLevel>0)<<SHD_SKIN_BIT | 1<<SHD_SHINY_BIT];
	llassert_always(sVertexProgram->mProgramObject > 0);

	sVertexProgram->bind();
	LLDrawPoolBump::bindCubeMap(sVertexProgram, 2, sDiffuseChannel, cube_channel);
}

void LLDrawPoolAvatar::endRiggedShinySimple()
{
	LLVertexBuffer::unbind();

	if(!sVertexProgram)
		return;

	LLDrawPoolBump::unbindCubeMap(sVertexProgram, 2, sDiffuseChannel, cube_channel);
	sVertexProgram->unbind();
	sVertexProgram = NULL;
}

void LLDrawPoolAvatar::beginRiggedFullbrightShiny()
{
	if (!LLGLSLShader::sNoFixedFunction)
	{
		sVertexProgram = NULL;
		return;
	}
	if (sShaderLevel > 0 && !LLPipeline::sUnderWaterRender && LLPipeline::sRenderDeferred)
	{
		sVertexProgram = &gDeferredSkinnedFullbrightShinyProgram;
	}
	else
	{
		sVertexProgram = &gObjectFullbrightProgram[1<<SHD_ALPHA_MASK_BIT | LLPipeline::sUnderWaterRender<<SHD_WATER_BIT | 1<<SHD_NO_INDEX_BIT | (sShaderLevel>0)<<SHD_SKIN_BIT | 1<<SHD_SHINY_BIT];
	}
	llassert_always(sVertexProgram->mProgramObject > 0);

	sVertexProgram->bind();
	LLDrawPoolBump::bindCubeMap(sVertexProgram, 2, sDiffuseChannel, cube_channel);
	if (LLPipeline::sRenderingHUDs || !LLPipeline::sRenderDeferred)
	{
		sVertexProgram->uniform1f(LLShaderMgr::TEXTURE_GAMMA, 1.0f);
	} 
	else 
	{
		sVertexProgram->uniform1f(LLShaderMgr::TEXTURE_GAMMA, 2.2f);
		//F32 gamma = gSavedSettings.getF32("RenderDeferredDisplayGamma");
		//sVertexProgram->uniform1f(LLShaderMgr::DISPLAY_GAMMA, (gamma > 0.1f) ? 1.0f / gamma : (1.0f/2.2f));
	}
}

void LLDrawPoolAvatar::endRiggedFullbrightShiny()
{
	LLVertexBuffer::unbind();

	if(!sVertexProgram)
		return;

	LLDrawPoolBump::unbindCubeMap(sVertexProgram, 2, sDiffuseChannel, cube_channel);
	sVertexProgram->unbind();
	sVertexProgram = NULL;
}


void LLDrawPoolAvatar::beginDeferredRiggedSimple()
{
	sVertexProgram = &gDeferredSkinnedDiffuseProgram;
	sDiffuseChannel = 0;
	sVertexProgram->bind();
}

void LLDrawPoolAvatar::endDeferredRiggedSimple()
{
	LLVertexBuffer::unbind();
	sVertexProgram->unbind();
	sVertexProgram = NULL;
}

void LLDrawPoolAvatar::beginDeferredRiggedBump()
{
	sVertexProgram = &gDeferredSkinnedBumpProgram;
	sVertexProgram->bind();
	normal_channel = sVertexProgram->enableTexture(LLViewerShaderMgr::BUMP_MAP);
	sDiffuseChannel = sVertexProgram->enableTexture(LLViewerShaderMgr::DIFFUSE_MAP);
}

void LLDrawPoolAvatar::endDeferredRiggedBump()
{
	LLVertexBuffer::unbind();
	sVertexProgram->disableTexture(LLViewerShaderMgr::BUMP_MAP);
	sVertexProgram->disableTexture(LLViewerShaderMgr::DIFFUSE_MAP);
	sVertexProgram->unbind();
	normal_channel = -1;
	sDiffuseChannel = 0;
	sVertexProgram = NULL;
}

void LLDrawPoolAvatar::beginDeferredRiggedMaterial(S32 pass)
{
	if (pass == 1 ||
		pass == 5 ||
		pass == 9 ||
		pass == 13)
	{ //skip alpha passes
		return;
	}
	sVertexProgram = &gDeferredMaterialProgram[pass+LLMaterial::SHADER_COUNT];
	if (LLPipeline::sUnderWaterRender)
	{
		sVertexProgram = &(gDeferredMaterialWaterProgram[pass+LLMaterial::SHADER_COUNT]);
	}
	sVertexProgram->bind();
	normal_channel = sVertexProgram->enableTexture(LLViewerShaderMgr::BUMP_MAP);
	specular_channel = sVertexProgram->enableTexture(LLViewerShaderMgr::SPECULAR_MAP);
	sDiffuseChannel = sVertexProgram->enableTexture(LLViewerShaderMgr::DIFFUSE_MAP);
}
void LLDrawPoolAvatar::endDeferredRiggedMaterial(S32 pass)
{
	if (pass == 1 ||
		pass == 5 ||
		pass == 9 ||
		pass == 13)
	{
		return;
	}
	LLVertexBuffer::unbind();
	sVertexProgram->disableTexture(LLViewerShaderMgr::BUMP_MAP);
	sVertexProgram->disableTexture(LLViewerShaderMgr::SPECULAR_MAP);
	sVertexProgram->disableTexture(LLViewerShaderMgr::DIFFUSE_MAP);
	sVertexProgram->unbind();
	normal_channel = -1;
	sDiffuseChannel = 0;
	sVertexProgram = NULL;
}
void LLDrawPoolAvatar::beginDeferredSkinned()
{
	sShaderLevel = mVertexShaderLevel;
	sVertexProgram = &gDeferredAvatarProgram;
	sRenderingSkinned = TRUE;

	sVertexProgram->bind();
	sVertexProgram->setMinimumAlpha(LLDrawPoolAvatar::sMinimumAlpha);
	
	sDiffuseChannel = sVertexProgram->enableTexture(LLViewerShaderMgr::DIFFUSE_MAP);
	gGL.getTexUnit(0)->activate();
}

void LLDrawPoolAvatar::endDeferredSkinned()
{
	// if we're in software-blending, remember to set the fence _after_ we draw so we wait till this rendering is done
	sRenderingSkinned = FALSE;
	sVertexProgram->unbind();

	sVertexProgram->disableTexture(LLViewerShaderMgr::DIFFUSE_MAP);

	sShaderLevel = mVertexShaderLevel;

	gGL.getTexUnit(0)->activate();
}

static LLTrace::BlockTimerStatHandle FTM_RENDER_AVATARS("renderAvatars");

void LLDrawPoolAvatar::renderAvatars(LLVOAvatar* single_avatar, S32 pass)
{
	LL_RECORD_BLOCK_TIME(FTM_RENDER_AVATARS);

	if (pass == -1)
	{
		for (S32 i = 1; i < getNumPasses(); i++)
		{ //skip foot shadows
			prerender();
			beginRenderPass(i);
			renderAvatars(single_avatar, i);
			endRenderPass(i);
		}

		return;
	}

	if (mDrawFace.empty() && !single_avatar)
	{
		return;
	}

	LLVOAvatar *avatarp;

	if (single_avatar)
	{
		avatarp = single_avatar;
	}
	else
	{
		const LLFace *facep = mDrawFace[0];
		if (!facep->getDrawable())
		{
			return;
		}
		avatarp = (LLVOAvatar *)facep->getDrawable()->getVObj().get();
	}

    if (avatarp->isDead() || avatarp->mDrawable.isNull())
	{
		return;
	}

	if (!single_avatar && !avatarp->isFullyLoaded() )
	{
		if (pass==0 && (!gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_PARTICLES) || LLViewerPartSim::getMaxPartCount() <= 0))
		{
			// debug code to draw a sphere in place of avatar
			gGL.getTexUnit(0)->bind(LLViewerFetchedTexture::sWhiteImagep);
			gGL.setColorMask(true, true);
			LLVector3 pos = avatarp->getPositionAgent();
			gGL.color4f(1.0f, 1.0f, 1.0f, 0.7f);
			
			gGL.pushMatrix();	 
			gGL.translatef((F32)(pos.mV[VX]),	 
						   (F32)(pos.mV[VY]),	 
							(F32)(pos.mV[VZ]));	 
			 gGL.scalef(0.15f, 0.15f, 0.3f);

			 gSphere.renderGGL();

			 gGL.popMatrix();
			 gGL.setColorMask(true, false);
		}
		// don't render please
		return;
	}

	BOOL impostor = avatarp->isImpostor() && !single_avatar;

	if (impostor && pass != 0)
	{ //don't draw anything but the impostor for impostored avatars
		return;
	}
	
	if (pass == 0 && !impostor && LLPipeline::sUnderWaterRender)
	{ //don't draw foot shadows under water
		return;
	}

	if (pass == 0)
	{
		if (!LLPipeline::sReflectionRender)
		{
			LLVOAvatar::sNumVisibleAvatars++;
		}

		if (impostor)
		{
			if (LLPipeline::sRenderDeferred && !LLPipeline::sReflectionRender && avatarp->mImpostor.isComplete()) 
			{
				if (normal_channel > -1)
				{
					avatarp->mImpostor.bindTexture(2, normal_channel);
				}
				if (specular_channel > -1)
				{
					avatarp->mImpostor.bindTexture(1, specular_channel);
				}
			}
			avatarp->renderImpostor(LLColor4U(255,255,255,255), sDiffuseChannel);
		}
		//else if (gPipeline.hasRenderDebugFeatureMask(LLPipeline::RENDER_DEBUG_FEATURE_FOOT_SHADOWS) && !LLPipeline::sRenderDeferred)
		//{
		//	avatarp->renderFootShadows();	
		//}
		return;
	}

	llassert(LLPipeline::sImpostorRender || !avatarp->isVisuallyMuted());

	/*if (single_avatar && avatarp->mSpecialRenderMode >= 1) // 1=anim preview, 2=image preview,  3=morph view
	{
		gPipeline.enableLightsAvatarEdit(LLColor4(.5f, .5f, .5f, 1.f));
	}*/
	
	if (pass == 1)
	{
		// render rigid meshes (eyeballs) first
		avatarp->renderRigid();
		return;
	}

	if (pass == 3)
	{
		if (is_deferred_render)
		{
			renderDeferredRiggedSimple(avatarp);
		}
		else
		{
			renderRiggedSimple(avatarp);
			if (LLPipeline::sRenderDeferred)
			{ //render "simple" materials
				renderRigged(avatarp, RIGGED_MATERIAL);
				renderRigged(avatarp, RIGGED_MATERIAL_ALPHA_MASK);
				renderRigged(avatarp, RIGGED_MATERIAL_ALPHA_EMISSIVE);
				renderRigged(avatarp, RIGGED_NORMMAP);
				renderRigged(avatarp, RIGGED_NORMMAP_MASK);
				renderRigged(avatarp, RIGGED_NORMMAP_EMISSIVE);	
				renderRigged(avatarp, RIGGED_SPECMAP);
				renderRigged(avatarp, RIGGED_SPECMAP_MASK);
				renderRigged(avatarp, RIGGED_SPECMAP_EMISSIVE);
				renderRigged(avatarp, RIGGED_NORMSPEC);
				renderRigged(avatarp, RIGGED_NORMSPEC_MASK);
				renderRigged(avatarp, RIGGED_NORMSPEC_EMISSIVE);
			}
		}
		return;
	}

	if (pass == 4)
	{
		if (is_deferred_render)
		{
			renderDeferredRiggedBump(avatarp);
		}
		else
		{
			renderRiggedFullbright(avatarp);
		}

		return;
	}

	if (is_deferred_render && pass >= 5 && pass <= 21)
	{
		S32 p = pass-5;
		if (p != 1 &&
			p != 5 &&
			p != 9 &&
			p != 13)
		{
			renderDeferredRiggedMaterial(avatarp, p);
		}
		return;
	}
	if (pass == 5)
	{
		renderRiggedShinySimple(avatarp);
		return;
	}

	if (pass == 6)
	{
		renderRiggedFullbrightShiny(avatarp);
		return;
	}

	if (pass >= 7 && pass < 13)
	{
		if (pass == 7)
		{
			renderRiggedAlpha(avatarp);
			if (LLPipeline::sRenderDeferred && !is_post_deferred_render)
			{ //render transparent materials under water
				LLGLEnable<GL_BLEND> blend;
				gGL.setColorMask(true, true);
				gGL.blendFunc(LLRender::BF_SOURCE_ALPHA,
								LLRender::BF_ONE_MINUS_SOURCE_ALPHA,
								LLRender::BF_ZERO,
								LLRender::BF_ONE_MINUS_SOURCE_ALPHA);
				renderRigged(avatarp, RIGGED_MATERIAL_ALPHA);
				renderRigged(avatarp, RIGGED_SPECMAP_BLEND);
				renderRigged(avatarp, RIGGED_NORMMAP_BLEND);
				renderRigged(avatarp, RIGGED_NORMSPEC_BLEND);
				gGL.setSceneBlendType(LLRender::BT_ALPHA);
				gGL.setColorMask(true, false);
			}
			return;
		}

		if (pass == 8)
		{
			renderRiggedFullbrightAlpha(avatarp);
			return;
		}
		if (LLPipeline::sRenderDeferred && is_post_deferred_render)
		{
			S32 p = 0;
			switch (pass)
			{
			case 9: p = 1; break;
			case 10: p = 5; break;
			case 11: p = 9; break;
			case 12: p = 13; break;
			}
			{
				LLGLEnable<GL_BLEND> blend;
				renderDeferredRiggedMaterial(avatarp, p);
			}
			return;
		}
		else if (pass == 9)
		{
			renderRiggedGlow(avatarp);
			return;
		}
	}

	if (pass == 13)
	{
		renderRiggedGlow(avatarp);

		return;
	}
	
	if (sShaderLevel >= SHADER_LEVEL_CLOTH)
	{
		LLMatrix4 rot_mat;
		LLViewerCamera::getInstance()->getMatrixToLocal(rot_mat);
		LLMatrix4 cfr(OGL_TO_CFR_ROTATION.getF32ptr());
		rot_mat *= cfr;
		
		LLVector4 wind;
		wind.setVec(avatarp->mWindVec);
		wind.mV[VW] = 0;
		wind = wind * rot_mat;
		wind.mV[VW] = avatarp->mWindVec.mV[VW];

		sVertexProgram->uniform4fv(LLViewerShaderMgr::AVATAR_WIND, 1, wind.mV);
		F32 phase = -1.f * (avatarp->mRipplePhase);

		F32 freq = 7.f + (LLPerlinNoise::noise(avatarp->mRipplePhase) * 2.f);
		LLVector4 sin_params(freq, freq, freq, phase);
		sVertexProgram->uniform4fv(LLViewerShaderMgr::AVATAR_SINWAVE, 1, sin_params.mV);

		LLVector4 gravity(0.f, 0.f, -CLOTHING_GRAVITY_EFFECT, 0.f);
		gravity = gravity * rot_mat;
		sVertexProgram->uniform4fv(LLViewerShaderMgr::AVATAR_GRAVITY, 1, gravity.mV);
	}

	if( !single_avatar || (avatarp == single_avatar) )
	{
		avatarp->renderSkinned(AVATAR_RENDER_PASS_SINGLE);
	}
}

void LLDrawPoolAvatar::getRiggedGeometry(LLFace* face, LLPointer<LLVertexBuffer>& buffer, U32 data_mask, const LLMeshSkinInfo* skin, LLVolume* volume, const LLVolumeFace& vol_face)
{
	face->setGeomIndex(0);
	face->setIndicesIndex(0);
		
		//rigged faces do not batch textures
		face->setTextureIndex(255);

		if (buffer.isNull() || buffer->getTypeMask() != data_mask || !buffer->isWriteable())
		{ //make a new buffer
			if (sShaderLevel > 0)
			{
				buffer = new LLVertexBuffer(data_mask, GL_DYNAMIC_DRAW_ARB);
			}
			else
			{
				buffer = new LLVertexBuffer(data_mask, GL_STREAM_DRAW_ARB);
			}
			buffer->allocateBuffer(vol_face.mNumVertices, vol_face.mNumIndices, true);
		}
		else //resize existing buffer
		{
			buffer->resizeBuffer(vol_face.mNumVertices, vol_face.mNumIndices);
		}

		face->setSize(vol_face.mNumVertices, vol_face.mNumIndices);
		face->setVertexBuffer(buffer);

		U16 offset = 0;
		
		LLMatrix4a mat_vert;
		mat_vert.loadu(skin->mBindShapeMatrix);
		LLMatrix4a mat_inv_trans = mat_vert;
		mat_inv_trans.invert();
		mat_inv_trans.transpose();

		//let getGeometryVolume know if alpha should override shiny
		U32 type = gPipeline.getPoolTypeFromTE(face->getTextureEntry(), face->getTexture());

		if (type == LLDrawPool::POOL_ALPHA)
		{
			face->setPoolType(LLDrawPool::POOL_ALPHA);
		}
		else
		{
		face->setPoolType(LLDrawPool::POOL_AVATAR);
	}

	//LL_INFOS() << "Rebuilt face " << face->getTEOffset() << " of " << face->getDrawable() << " at " << gFrameTimeSeconds << LL_ENDL;

	// Let getGeometryVolume know if a texture matrix is in play
	if (face->mTextureMatrix)
	{
		face->setState(LLFace::TEXTURE_ANIM);
	}
	else
	{
		face->clearState(LLFace::TEXTURE_ANIM);
	}
	face->getGeometryVolume(*volume, face->getTEOffset(), mat_vert, mat_inv_trans, offset, true);

	buffer->flush();
}

void LLDrawPoolAvatar::updateRiggedFaceVertexBuffer(LLVOAvatar* avatar, LLFace* face, const LLMeshSkinInfo* skin, LLVolume* volume, const LLVolumeFace& vol_face)
{
	LLVector4a* weights = vol_face.mWeights;
	if (!weights)
	{
		return;
	}
	// FIXME ugly const cast
	LLSkinningUtil::scrubInvalidJoints(avatar, const_cast<LLMeshSkinInfo*>(skin));

	LLPointer<LLVertexBuffer> buffer = face->getVertexBuffer();
	LLDrawable* drawable = face->getDrawable();

	U32 data_mask = face->getRiggedVertexBufferDataMask();

	if (!vol_face.mWeightsScrubbed)
	{
		LLSkinningUtil::scrubSkinWeights(weights, vol_face.mNumVertices, skin);
		vol_face.mWeightsScrubbed = TRUE;
	}
	
	if (buffer.isNull() || 
		buffer->getTypeMask() != data_mask ||
		buffer->getNumVerts() != vol_face.mNumVertices ||
		buffer->getNumIndices() != vol_face.mNumIndices ||
		(drawable && drawable->isState(LLDrawable::REBUILD_ALL)))
	{
		if (drawable && drawable->isState(LLDrawable::REBUILD_ALL))
		{ //rebuild EVERY face in the drawable, not just this one, to avoid missing drawable wide rebuild issues
			for (S32 i = 0; i < drawable->getNumFaces(); ++i)
			{
				LLFace* facep = drawable->getFace(i);
				U32 face_data_mask = facep->getRiggedVertexBufferDataMask();
				if (face_data_mask)
				{
					LLPointer<LLVertexBuffer> cur_buffer = facep->getVertexBuffer();
					const LLVolumeFace& cur_vol_face = volume->getVolumeFace(i);
					getRiggedGeometry(facep, cur_buffer, face_data_mask, skin, volume, cur_vol_face);
				}
			}
			drawable->clearState(LLDrawable::REBUILD_ALL);

			buffer = face->getVertexBuffer();
		}
		else
		{ //just rebuild this face
			getRiggedGeometry(face, buffer, data_mask, skin, volume, vol_face);
		}
	}

	if (sShaderLevel <= 0 && face->mLastSkinTime < avatar->getLastSkinTime())
	{
		avatar->updateSoftwareSkinnedVertices(skin, weights, vol_face, buffer);
	}
}

extern int sMaxCacheHit;
extern int sCurCacheHit;

void LLDrawPoolAvatar::renderRigged(LLVOAvatar* avatar, U32 type, bool glow)
{
	if ((avatar->isSelf() && !gAgent.needsRenderAvatar()) || !gMeshRepo.meshRezEnabled())
	{
		return;
	}

	stop_glerror();

	for (U32 i = 0; i < mRiggedFace[type].size(); ++i)
	{
		LLFace* face = mRiggedFace[type][i];
		LLDrawable* drawable = face->getDrawable();
		if (!drawable)
		{
			continue;
		}

		LLVOVolume* vobj = drawable->getVOVolume();

		if (!vobj)
		{
			continue;
		}

		LLVolume* volume = vobj->getVolume();
		S32 te = face->getTEOffset();

		if (!volume || volume->getNumVolumeFaces() <= te || !volume->isMeshAssetLoaded())
		{
			continue;
		}

		LLUUID mesh_id = volume->getParams().getSculptID();
		if (mesh_id.isNull())
		{
			continue;
		}

		const LLMeshSkinInfo* skin = gMeshRepo.getSkinInfo(mesh_id, vobj);
		if (!skin)
		{
			continue;
		}

		//stop_glerror();

		//const LLVolumeFace& vol_face = volume->getVolumeFace(te);
		//updateRiggedFaceVertexBuffer(avatar, face, skin, volume, vol_face);
		
		//stop_glerror();

		U32 data_mask = LLFace::getRiggedDataMask(type);

		LLVertexBuffer* buff = face->getVertexBuffer();

		if (buff)
		{
			if (sShaderLevel > 0)
			{
				auto& mesh_cache = avatar->getRiggedMatrixCache();
				auto& mesh_id = skin->mMeshID;
				auto rigged_matrix_data_iter = find_if(mesh_cache.begin(), mesh_cache.end(), [&mesh_id](decltype(mesh_cache[0]) & entry) { return entry.first == mesh_id; });
				if (rigged_matrix_data_iter != avatar->getRiggedMatrixCache().cend())
				{
					LLDrawPoolAvatar::sVertexProgram->uniformMatrix3x4fv(LLViewerShaderMgr::AVATAR_MATRIX,
						rigged_matrix_data_iter->second.first,
						FALSE,
						(GLfloat*)rigged_matrix_data_iter->second.second.data());
					LLDrawPoolAvatar::sVertexProgram->uniform1f(LLShaderMgr::AVATAR_MAX_WEIGHT, F32(rigged_matrix_data_iter->second.first - 1));

					stop_glerror();
				}
				else
				{
					// upload matrix palette to shader
					LLMatrix4a mat[LL_MAX_JOINTS_PER_MESH_OBJECT];
					U32 count = LLSkinningUtil::getMeshJointCount(skin);
					LLSkinningUtil::initSkinningMatrixPalette(mat, count, skin, avatar);

					std::array<F32, LL_MAX_JOINTS_PER_MESH_OBJECT * 12> mp;

					for (U32 i = 0; i < count; ++i)
					{
						F32* m = (F32*)mat[i].getF32ptr();

						U32 idx = i * 12;

						mp[idx + 0] = m[0];
						mp[idx + 1] = m[1];
						mp[idx + 2] = m[2];
						mp[idx + 3] = m[12];

						mp[idx + 4] = m[4];
						mp[idx + 5] = m[5];
						mp[idx + 6] = m[6];
						mp[idx + 7] = m[13];

						mp[idx + 8] = m[8];
						mp[idx + 9] = m[9];
						mp[idx + 10] = m[10];
						mp[idx + 11] = m[14];
					}
					mesh_cache.emplace_back(std::make_pair( skin->mMeshID, std::make_pair(count, mp) ) );
					LLDrawPoolAvatar::sVertexProgram->uniformMatrix3x4fv(LLViewerShaderMgr::AVATAR_MATRIX,
						count,
						FALSE,
						(GLfloat*)mp.data());
					LLDrawPoolAvatar::sVertexProgram->uniform1f(LLShaderMgr::AVATAR_MAX_WEIGHT, F32(count - 1));
				}
				
				stop_glerror();
			}
			else
			{
				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_mats_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(0.0000f, 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_TEXTURE0 + sDiffuseChannel);
				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);
		}
	}
}

void LLDrawPoolAvatar::renderDeferredRiggedSimple(LLVOAvatar* avatar)
{
	renderRigged(avatar, RIGGED_DEFERRED_SIMPLE);
}

void LLDrawPoolAvatar::renderDeferredRiggedBump(LLVOAvatar* avatar)
{
	renderRigged(avatar, RIGGED_DEFERRED_BUMP);
}

void LLDrawPoolAvatar::renderDeferredRiggedMaterial(LLVOAvatar* avatar, S32 pass)
{
	is_mats_render = true;
	renderRigged(avatar, pass);
	is_mats_render = false;
}

static LLTrace::BlockTimerStatHandle FTM_RIGGED_VBO("Rigged VBO");

void LLDrawPoolAvatar::updateRiggedVertexBuffers(LLVOAvatar* avatar)
{
	LL_RECORD_BLOCK_TIME(FTM_RIGGED_VBO);

	//update rigged vertex buffers
	for (U32 type = 0; type < NUM_RIGGED_PASSES; ++type)
	{
		for (U32 i = 0; i < mRiggedFace[type].size(); ++i)
		{
			LLFace* face = mRiggedFace[type][i];
			LLDrawable* drawable = face->getDrawable();
			if (!drawable)
			{
				continue;
			}

			LLVOVolume* vobj = drawable->getVOVolume();

			if (!vobj)
			{
				continue;
			}

			LLVolume* volume = vobj->getVolume();
			S32 te = face->getTEOffset();

			if (!volume || volume->getNumVolumeFaces() <= te)
			{
				continue;
			}

			LLUUID mesh_id = volume->getParams().getSculptID();
			if (mesh_id.isNull())
			{
				continue;
			}

			const LLMeshSkinInfo* skin = gMeshRepo.getSkinInfo(mesh_id, vobj);
			if (!skin)
			{
				continue;
			}

			stop_glerror();

			const LLVolumeFace& vol_face = volume->getVolumeFace(te);
			updateRiggedFaceVertexBuffer(avatar, face, skin, volume, vol_face);
		}
	}
}

void LLDrawPoolAvatar::renderRiggedSimple(LLVOAvatar* avatar)
{
	renderRigged(avatar, RIGGED_SIMPLE);
}

void LLDrawPoolAvatar::renderRiggedFullbright(LLVOAvatar* avatar)
{
	renderRigged(avatar, RIGGED_FULLBRIGHT);
}

	
void LLDrawPoolAvatar::renderRiggedShinySimple(LLVOAvatar* avatar)
{
	renderRigged(avatar, RIGGED_SHINY);
}

void LLDrawPoolAvatar::renderRiggedFullbrightShiny(LLVOAvatar* avatar)
{
	renderRigged(avatar, RIGGED_FULLBRIGHT_SHINY);
}

void LLDrawPoolAvatar::renderRiggedAlpha(LLVOAvatar* avatar)
{
	if (!mRiggedFace[RIGGED_ALPHA].empty())
	{
		LLGLEnable<GL_BLEND> blend;

		gGL.setColorMask(true, true);
		gGL.blendFunc(LLRender::BF_SOURCE_ALPHA,
						LLRender::BF_ONE_MINUS_SOURCE_ALPHA,
						LLRender::BF_ZERO,
						LLRender::BF_ONE_MINUS_SOURCE_ALPHA);

		renderRigged(avatar, RIGGED_ALPHA);
		gGL.setSceneBlendType(LLRender::BT_ALPHA);
		gGL.setColorMask(true, false);
	}
}

void LLDrawPoolAvatar::renderRiggedFullbrightAlpha(LLVOAvatar* avatar)
{
	if (!mRiggedFace[RIGGED_FULLBRIGHT_ALPHA].empty())
	{
		LLGLEnable<GL_BLEND> blend;

		gGL.setColorMask(true, true);
		gGL.blendFunc(LLRender::BF_SOURCE_ALPHA,
						LLRender::BF_ONE_MINUS_SOURCE_ALPHA,
						LLRender::BF_ZERO,
						LLRender::BF_ONE_MINUS_SOURCE_ALPHA);

		renderRigged(avatar, RIGGED_FULLBRIGHT_ALPHA);
		gGL.setSceneBlendType(LLRender::BT_ALPHA);
		gGL.setColorMask(true, false);
	}
}

void LLDrawPoolAvatar::renderRiggedGlow(LLVOAvatar* avatar)
{
	if (!mRiggedFace[RIGGED_GLOW].empty())
	{
		LLGLEnable<GL_BLEND> blend;
		LLGLDisable<GL_ALPHA_TEST> test;
		gGL.flush();

		LLGLEnable<GL_POLYGON_OFFSET_FILL> polyOffset;
		gGL.setPolygonOffset(-1.0f, -1.0f);
		gGL.setSceneBlendType(LLRender::BT_ADD);

		LLGLDepthTest depth(GL_TRUE, GL_FALSE);
		gGL.setColorMask(false, true);

		renderRigged(avatar, RIGGED_GLOW, true);

		gGL.setColorMask(true, false);
		gGL.setSceneBlendType(LLRender::BT_ALPHA);
	}
}



//-----------------------------------------------------------------------------
// getDebugTexture()
//-----------------------------------------------------------------------------
LLViewerTexture *LLDrawPoolAvatar::getDebugTexture()
{
	if (mReferences.empty())
	{
		return NULL;
	}
	LLFace *face = mReferences[0];
	if (!face->getDrawable())
	{
		return NULL;
	}
	const LLViewerObject *objectp = face->getDrawable()->getVObj();

	// Avatar should always have at least 1 (maybe 3?) TE's.
	return objectp->getTEImage(0);
}


LLColor3 LLDrawPoolAvatar::getDebugColor() const
{
	return LLColor3(0.f, 1.f, 0.f);
}

void LLDrawPoolAvatar::addRiggedFace(LLFace* facep, U32 type)
{
	if (type >= NUM_RIGGED_PASSES)
	{
		LL_ERRS() << "Invalid rigged face type." << LL_ENDL;
	}

	if (facep->getRiggedIndex(type) != -1)
	{
		LL_ERRS() << "Tried to add a rigged face that's referenced elsewhere." << LL_ENDL;
	}	
	
	facep->setRiggedIndex(type, mRiggedFace[type].size());
	facep->setPool(this);
	mRiggedFace[type].push_back(facep);

	facep->mShinyInAlpha = type == RIGGED_DEFERRED_SIMPLE || type == RIGGED_DEFERRED_BUMP || type == RIGGED_FULLBRIGHT_SHINY || type == RIGGED_SHINY;
}

void LLDrawPoolAvatar::removeRiggedFace(LLFace* facep)
{
	facep->setPool(NULL);

	for (U32 i = 0; i < NUM_RIGGED_PASSES; ++i)
	{
		S32 index = facep->getRiggedIndex(i);
		
		if (index > -1)
		{
			if (mRiggedFace[i].size() > (U32)index && mRiggedFace[i][index] == facep)
			{
				facep->setRiggedIndex(i,-1);
				mRiggedFace[i].erase(mRiggedFace[i].begin()+index);
				for (U32 j = index; j < mRiggedFace[i].size(); ++j)
				{ //bump indexes down for faces referenced after erased face
					mRiggedFace[i][j]->setRiggedIndex(i, j);
				}
			}
			else
			{
				LL_ERRS() << "Face reference data corrupt for rigged type " << i << LL_ENDL;
			}
		}
	}
}

LLVertexBufferAvatar::LLVertexBufferAvatar()
: LLVertexBuffer(sDataMask, 
	GL_STREAM_DRAW_ARB) //avatars are always stream draw due to morph targets
{

}