llviewerjointmesh.h
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上传日期:2021-03-01
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- /**
- * @file llviewerjointmesh.h
- * @brief Implementation of LLViewerJointMesh class
- *
- * $LicenseInfo:firstyear=2001&license=viewergpl$
- *
- * Copyright (c) 2001-2010, 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"
- 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() const { 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