Imported existing code

indra/newview/llviewerjointmesh.h

@@ -0,0 +1,179 @@
+/** 
+ * @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 "llviewerimage.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<LLViewerImage>	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( LLViewerImage *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