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/**
* @file llviewerjointmesh.h
* @brief Implementation of LLViewerJointMesh class
*
* $LicenseInfo:firstyear=2001&license=viewergpl$
*
* Copyright (c) 2001-2009, 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.
* $/LicenseInfo$
*/
#ifndef LL_LLVIEWERJOINTMESH_H
#define LL_LLVIEWERJOINTMESH_H
#include "llviewerjoint.h"
#include "llviewertexture.h"
#include "llpolymesh.h"
#include "v4color.h"
#include "llapr.h"
class LLDrawable;
class LLFace;
class LLCharacter;
class LLTexLayerSet;
typedef enum e_avatar_render_pass
{
AVATAR_RENDER_PASS_SINGLE,
AVATAR_RENDER_PASS_CLOTHING_INNER,
AVATAR_RENDER_PASS_CLOTHING_OUTER
} EAvatarRenderPass;
class LLSkinJoint
{
public:
LLSkinJoint();
~LLSkinJoint();
BOOL setupSkinJoint( LLViewerJoint *joint);
LLViewerJoint *mJoint;
LLVector3 mRootToJointSkinOffset;
LLVector3 mRootToParentJointSkinOffset;
};
//-----------------------------------------------------------------------------
// class LLViewerJointMesh
//-----------------------------------------------------------------------------
class LLViewerJointMesh : public LLViewerJoint
{
protected:
LLColor4 mColor; // color value
// LLColor4 mSpecular; // specular color (always white for now)
F32 mShiny; // shiny value
LLPointer<LLViewerTexture> mTexture; // ptr to a global texture
LLTexLayerSet* mLayerSet; // ptr to a layer set owned by the avatar
U32 mTestImageName; // handle to a temporary texture for previewing uploads
LLPolyMesh* mMesh; // ptr to a global polymesh
BOOL mCullBackFaces; // true by default
LLFace* mFace; // ptr to a face w/ AGP copy of mesh
U32 mFaceIndexCount;
BOOL mIsTransparent;
U32 mNumSkinJoints;
LLSkinJoint* mSkinJoints;
S32 mMeshID;
public:
static BOOL sPipelineRender;
//RN: this is here for testing purposes
static U32 sClothingMaskImageName;
static EAvatarRenderPass sRenderPass;
static LLColor4 sClothingInnerColor;
public:
// Constructor
LLViewerJointMesh();
// Destructor
virtual ~LLViewerJointMesh();
// Gets the shape color
void getColor( F32 *red, F32 *green, F32 *blue, F32 *alpha );
// Sets the shape color
void setColor( F32 red, F32 green, F32 blue, F32 alpha );
// Sets the shininess
void setSpecular( const LLColor4& color, F32 shiny ) { /*mSpecular = color;*/ mShiny = shiny; };
// Sets the shape texture
void setTexture( LLViewerTexture *texture );
void setTestTexture( U32 name ) { mTestImageName = name; }
// Sets layer set responsible for a dynamic shape texture (takes precedence over normal texture)
void setLayerSet( LLTexLayerSet* layer_set );
// Gets the poly mesh
LLPolyMesh *getMesh();
// Sets the poly mesh
void setMesh( LLPolyMesh *mesh );
// Sets up joint matrix data for rendering
void setupJoint(LLViewerJoint* current_joint);
// Render time method to upload batches of joint matrices
void uploadJointMatrices();
// Sets ID for picking
void setMeshID( S32 id ) {mMeshID = id;}
// Gets ID for picking
S32 getMeshID() { return mMeshID; }
// overloaded from base class
/*virtual*/ void drawBone();
/*virtual*/ BOOL isTransparent();
/*virtual*/ U32 drawShape( F32 pixelArea, BOOL first_pass, BOOL is_dummy );
/*virtual*/ void updateFaceSizes(U32 &num_vertices, U32& num_indices, F32 pixel_area);
/*virtual*/ void updateFaceData(LLFace *face, F32 pixel_area, BOOL damp_wind = FALSE);
/*virtual*/ BOOL updateLOD(F32 pixel_area, BOOL activate);
/*virtual*/ void updateJointGeometry();
/*virtual*/ void dump();
void setIsTransparent(BOOL is_transparent) { mIsTransparent = is_transparent; }
/*virtual*/ BOOL isAnimatable() { return FALSE; }
static void updateVectorize(); // Update globals when settings variables change
private:
// Avatar vertex skinning is a significant performance issue on computers
// with avatar vertex programs turned off (for example, most Macs). We
// therefore have custom versions that use SIMD instructions.
//
// These functions require compiler options for SSE2, SSE, or neither, and
// hence are contained in separate individual .cpp files. JC
static void updateGeometryOriginal(LLFace* face, LLPolyMesh* mesh);
// generic vector code, used for Altivec
static void updateGeometryVectorized(LLFace* face, LLPolyMesh* mesh);
static void updateGeometrySSE(LLFace* face, LLPolyMesh* mesh);
static void updateGeometrySSE2(LLFace* face, LLPolyMesh* mesh);
// Use a fuction pointer to indicate which version we are running.
static void (*sUpdateGeometryFunc)(LLFace* face, LLPolyMesh* mesh);
private:
// Allocate skin data
BOOL allocateSkinData( U32 numSkinJoints );
// Free skin data
void freeSkinData();
};
#endif // LL_LLVIEWERJOINTMESH_H
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