1511 lines
33 KiB
C++
1511 lines
33 KiB
C++
/**
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* @file llface.cpp
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* @brief LLFace class implementation
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*
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* Copyright (c) 2001-$CurrentYear$, Linden Research, Inc.
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* $License$
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*/
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#include "llviewerprecompiledheaders.h"
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#include "lldrawable.h" // lldrawable needs to be included before llface
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#include "llface.h"
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#include "llviewertextureanim.h"
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#include "llviewercontrol.h"
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#include "llvolume.h"
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#include "m3math.h"
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#include "v3color.h"
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#include "lldrawpoolsimple.h"
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#include "lldrawpoolbump.h"
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#include "llgl.h"
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#include "lllightconstants.h"
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#include "llsky.h"
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#include "llviewercamera.h"
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#include "llviewerimagelist.h"
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#include "llvosky.h"
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#include "llvovolume.h"
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#include "pipeline.h"
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#define LL_MAX_INDICES_COUNT 1000000
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extern BOOL gPickFaces;
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BOOL LLFace::sSafeRenderSelect = TRUE; // FALSE
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#define DOTVEC(a,b) (a.mV[0]*b.mV[0] + a.mV[1]*b.mV[1] + a.mV[2]*b.mV[2])
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/*
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For each vertex, given:
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B - binormal
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T - tangent
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N - normal
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P - position
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The resulting texture coordinate <u,v> is:
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u = 2(B dot P)
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v = 2(T dot P)
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*/
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void planarProjection(LLVector2 &tc, const LLVolumeFace::VertexData &vd, const LLVector3 &mCenter, const LLVector3& vec)
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{ //DONE!
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LLVector3 binormal;
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float d = vd.mNormal * LLVector3(1,0,0);
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if (d >= 0.5f || d <= -0.5f)
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{
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binormal = LLVector3(0,1,0);
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if (vd.mNormal.mV[0] < 0)
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{
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binormal = -binormal;
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}
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}
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else
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{
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binormal = LLVector3(1,0,0);
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if (vd.mNormal.mV[1] > 0)
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{
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binormal = -binormal;
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}
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}
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LLVector3 tangent = binormal % vd.mNormal;
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tc.mV[1] = -((tangent*vec)*2 - 0.5f);
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tc.mV[0] = 1.0f+((binormal*vec)*2 - 0.5f);
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}
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void sphericalProjection(LLVector2 &tc, const LLVolumeFace::VertexData &vd, const LLVector3 &mCenter, const LLVector3& vec)
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{ //BROKEN
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/*tc.mV[0] = acosf(vd.mNormal * LLVector3(1,0,0))/3.14159f;
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tc.mV[1] = acosf(vd.mNormal * LLVector3(0,0,1))/6.284f;
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if (vd.mNormal.mV[1] > 0)
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{
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tc.mV[1] = 1.0f-tc.mV[1];
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}*/
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}
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void cylindricalProjection(LLVector2 &tc, const LLVolumeFace::VertexData &vd, const LLVector3 &mCenter, const LLVector3& vec)
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{ //BROKEN
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/*LLVector3 binormal;
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float d = vd.mNormal * LLVector3(1,0,0);
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if (d >= 0.5f || d <= -0.5f)
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{
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binormal = LLVector3(0,1,0);
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}
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else{
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binormal = LLVector3(1,0,0);
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}
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LLVector3 tangent = binormal % vd.mNormal;
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tc.mV[1] = -((tangent*vec)*2 - 0.5f);
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tc.mV[0] = acosf(vd.mNormal * LLVector3(1,0,0))/6.284f;
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if (vd.mNormal.mV[1] < 0)
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{
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tc.mV[0] = 1.0f-tc.mV[0];
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}*/
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}
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////////////////////
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//
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// LLFace implementation
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//
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void LLFace::init(LLDrawable* drawablep, LLViewerObject* objp)
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{
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mLastUpdateTime = gFrameTimeSeconds;
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mVSize = 0.f;
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mPixelArea = 1024.f;
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mState = GLOBAL;
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mDrawPoolp = NULL;
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mPoolType = 0;
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mGeomIndex = -1;
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// mCenterLocal
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// mCenterAgent
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mDistance = 0.f;
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mGeomCount = 0;
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mIndicesCount = 0;
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mIndicesIndex = -1;
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mTexture = NULL;
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mTEOffset = -1;
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setDrawable(drawablep);
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mVObjp = objp;
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mReferenceIndex = -1;
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mAlphaFade = 0.f;
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mFaceColor = LLColor4(1,0,0,1);
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mLastVertexBuffer = mVertexBuffer;
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mLastGeomCount = mGeomCount;
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mLastGeomIndex = mGeomIndex;
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mLastIndicesCount = mIndicesCount;
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mLastIndicesIndex = mIndicesIndex;
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}
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void LLFace::destroy()
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{
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mDrawablep = NULL;
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mVObjp = NULL;
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if (mDrawPoolp)
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{
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mDrawPoolp->removeFace(this);
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mDrawPoolp = NULL;
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}
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}
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// static
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void LLFace::initClass()
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{
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}
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void LLFace::setWorldMatrix(const LLMatrix4 &mat)
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{
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llerrs << "Faces on this drawable are not independently modifiable\n" << llendl;
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}
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void LLFace::setPool(LLFacePool* new_pool, LLViewerImage *texturep)
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{
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LLMemType mt1(LLMemType::MTYPE_DRAWABLE);
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if (!new_pool)
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{
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llerrs << "Setting pool to null!" << llendl;
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}
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if (new_pool != mDrawPoolp)
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{
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// Remove from old pool
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if (mDrawPoolp)
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{
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mDrawPoolp->removeFace(this);
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if (mDrawablep)
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{
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gPipeline.markRebuild(mDrawablep, LLDrawable::REBUILD_ALL, TRUE);
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}
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}
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mGeomIndex = -1;
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// Add to new pool
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if (new_pool)
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{
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new_pool->addFace(this);
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}
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mDrawPoolp = new_pool;
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}
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mTexture = texturep;
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}
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void LLFace::setTEOffset(const S32 te_offset)
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{
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mTEOffset = te_offset;
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}
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void LLFace::setFaceColor(const LLColor4& color)
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{
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mFaceColor = color;
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setState(USE_FACE_COLOR);
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}
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void LLFace::unsetFaceColor()
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{
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clearState(USE_FACE_COLOR);
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}
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void LLFace::setDrawable(LLDrawable *drawable)
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{
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mDrawablep = drawable;
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mXform = &drawable->mXform;
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}
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void LLFace::setSize(const S32 num_vertices, const S32 num_indices)
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{
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LLMemType mt1(LLMemType::MTYPE_DRAWABLE);
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mGeomCount = num_vertices;
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mIndicesCount = num_indices;
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}
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//============================================================================
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S32 LLFace::getGeometryAvatar(
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LLStrider<LLVector3> &vertices,
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LLStrider<LLVector3> &normals,
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LLStrider<LLVector3> &binormals,
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LLStrider<LLVector2> &tex_coords,
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LLStrider<F32> &vertex_weights,
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LLStrider<LLVector4> &clothing_weights)
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{
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LLMemType mt1(LLMemType::MTYPE_DRAWABLE);
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if (mVertexBuffer.notNull())
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{
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mVertexBuffer->getVertexStrider (vertices, mGeomIndex);
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mVertexBuffer->getNormalStrider (normals, mGeomIndex);
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mVertexBuffer->getBinormalStrider (binormals, mGeomIndex);
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mVertexBuffer->getTexCoordStrider (tex_coords, mGeomIndex);
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mVertexBuffer->getWeightStrider(vertex_weights, mGeomIndex);
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mVertexBuffer->getClothWeightStrider(clothing_weights, mGeomIndex);
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}
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else
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{
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mGeomIndex = -1;
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}
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return mGeomIndex;
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}
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S32 LLFace::getGeometryTerrain(
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LLStrider<LLVector3> &vertices,
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LLStrider<LLVector3> &normals,
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LLStrider<LLColor4U> &colors,
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LLStrider<LLVector2> &texcoords0,
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LLStrider<LLVector2> &texcoords1,
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LLStrider<U32> &indicesp)
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{
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LLMemType mt1(LLMemType::MTYPE_DRAWABLE);
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if (mVertexBuffer.notNull())
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{
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mVertexBuffer->getVertexStrider(vertices, mGeomIndex);
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mVertexBuffer->getNormalStrider(normals, mGeomIndex);
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mVertexBuffer->getColorStrider(colors, mGeomIndex);
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mVertexBuffer->getTexCoordStrider(texcoords0, mGeomIndex);
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mVertexBuffer->getTexCoord2Strider(texcoords1, mGeomIndex);
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mVertexBuffer->getIndexStrider(indicesp, mIndicesIndex);
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}
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else
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{
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mGeomIndex = -1;
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}
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return mGeomIndex;
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}
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S32 LLFace::getGeometry(LLStrider<LLVector3> &vertices, LLStrider<LLVector3> &normals,
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LLStrider<LLVector2> &tex_coords, LLStrider<U32> &indicesp)
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{
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LLMemType mt1(LLMemType::MTYPE_DRAWABLE);
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if (mGeomCount <= 0)
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{
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return -1;
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}
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if (mVertexBuffer.notNull())
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{
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mVertexBuffer->getVertexStrider(vertices, mGeomIndex);
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if (mVertexBuffer->hasDataType(LLVertexBuffer::TYPE_NORMAL))
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{
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mVertexBuffer->getNormalStrider(normals, mGeomIndex);
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}
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if (mVertexBuffer->hasDataType(LLVertexBuffer::TYPE_TEXCOORD))
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{
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mVertexBuffer->getTexCoordStrider(tex_coords, mGeomIndex);
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}
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mVertexBuffer->getIndexStrider(indicesp, mIndicesIndex);
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}
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else
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{
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mGeomIndex = -1;
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}
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return mGeomIndex;
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}
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S32 LLFace::getGeometryColors(LLStrider<LLVector3> &vertices, LLStrider<LLVector3> &normals,
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LLStrider<LLVector2> &tex_coords, LLStrider<LLColor4U> &colors,
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LLStrider<U32> &indicesp)
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{
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S32 res = getGeometry(vertices, normals, tex_coords, indicesp);
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if (res >= 0)
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{
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getColors(colors);
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}
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return res;
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}
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void LLFace::updateCenterAgent()
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{
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if (mDrawablep->isActive())
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{
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mCenterAgent = mCenterLocal * getRenderMatrix();
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}
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else
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{
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mCenterAgent = mCenterLocal;
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}
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}
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void LLFace::renderForSelect(U32 data_mask)
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{
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if(mGeomIndex < 0 || mDrawablep.isNull() || mVertexBuffer.isNull())
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{
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return;
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}
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if (mVObjp->mGLName)
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{
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S32 name = mVObjp->mGLName;
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LLColor4U color((U8)(name >> 16), (U8)(name >> 8), (U8)name);
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#if 0 // *FIX: Postponing this fix until we have texcoord pick info...
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if (mTEOffset != -1)
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{
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color.mV[VALPHA] = (U8)(getTextureEntry()->getColor().mV[VALPHA] * 255.f);
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}
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#endif
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glColor4ubv(color.mV);
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if (!getPool())
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{
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switch (getPoolType())
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{
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case LLDrawPool::POOL_ALPHA:
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getTexture()->bind();
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break;
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default:
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LLImageGL::unbindTexture(0);
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break;
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}
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}
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mVertexBuffer->setBuffer(data_mask);
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#if !LL_RELEASE_FOR_DOWNLOAD
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LLGLState::checkClientArrays(data_mask);
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#endif
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U32* indicesp = (U32*) mVertexBuffer->getIndicesPointer() + mIndicesIndex;
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if (gPickFaces && mTEOffset != -1)
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{
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// mask off high 4 bits (16 total possible faces)
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color.mV[0] &= 0x0f;
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color.mV[0] |= (mTEOffset & 0x0f) << 4;
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glColor4ubv(color.mV);
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}
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if (mIndicesCount)
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{
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if (isState(GLOBAL))
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{
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glDrawElements(GL_TRIANGLES, mIndicesCount, GL_UNSIGNED_INT, indicesp);
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}
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else
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{
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glPushMatrix();
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glMultMatrixf((float*)getRenderMatrix().mMatrix);
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glDrawElements(GL_TRIANGLES, mIndicesCount, GL_UNSIGNED_INT, indicesp);
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glPopMatrix();
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}
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}
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else if (mGeomCount > 0)
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{
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if (isState(GLOBAL))
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{
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glDrawArrays(GL_TRIANGLES, mGeomIndex, mGeomCount);
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}
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else
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{
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glPushMatrix();
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glMultMatrixf((float*)getRenderMatrix().mMatrix);
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glDrawArrays(GL_TRIANGLES, mGeomIndex, mGeomCount);
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glPopMatrix();
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}
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}
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}
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}
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void LLFace::renderSelected(LLImageGL *imagep, const LLColor4& color, const S32 offset, const S32 count)
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{
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if(mGeomIndex < 0 || mDrawablep.isNull() || mVertexBuffer.isNull())
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{
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return;
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}
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if (mGeomCount > 0 && mIndicesCount > 0)
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{
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LLGLSPipelineAlpha gls_pipeline_alpha;
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glColor4fv(color.mV);
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LLViewerImage::bindTexture(imagep);
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if (!isState(GLOBAL))
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{
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// Apply the proper transform for non-global objects.
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glPushMatrix();
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glMultMatrixf((float*)getRenderMatrix().mMatrix);
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}
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glEnableClientState(GL_TEXTURE_COORD_ARRAY);
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glEnableClientState(GL_VERTEX_ARRAY);
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glEnableClientState(GL_NORMAL_ARRAY);
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mVertexBuffer->setBuffer(LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_NORMAL | LLVertexBuffer::MAP_TEXCOORD);
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#if !LL_RELEASE_FOR_DOWNLOAD
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LLGLState::checkClientArrays(LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_NORMAL | LLVertexBuffer::MAP_TEXCOORD);
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#endif
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U32* indicesp = ((U32*) mVertexBuffer->getIndicesPointer()) + mIndicesIndex;
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if (count)
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{
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glDrawElements(GL_TRIANGLES, count, GL_UNSIGNED_INT, indicesp + offset);
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}
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else
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{
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glDrawElements(GL_TRIANGLES, mIndicesCount, GL_UNSIGNED_INT, indicesp);
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}
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glDisableClientState(GL_TEXTURE_COORD_ARRAY);
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glDisableClientState(GL_NORMAL_ARRAY);
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if (!isState(GLOBAL))
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{
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// Restore the tranform for non-global objects
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glPopMatrix();
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}
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}
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}
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void LLFace::renderSelectedUV(const S32 offset, const S32 count)
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{
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#if 0
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LLUUID uv_img_red_blue_id(gViewerArt.getString("uv_test1.tga"));
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LLUUID uv_img_green_id(gViewerArt.getString("uv_test2.tga"));
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LLViewerImage* red_blue_imagep = gImageList.getImage(uv_img_red_blue_id, TRUE, TRUE);
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LLViewerImage* green_imagep = gImageList.getImage(uv_img_green_id, TRUE, TRUE);
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LLGLSObjectSelect object_select;
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LLGLEnable blend(GL_BLEND);
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LLGLEnable texture(GL_TEXTURE_2D);
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if (!mDrawPoolp || !getIndicesCount() || getIndicesStart() < 0)
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{
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return;
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}
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for (S32 pass = 0; pass < 2; pass++)
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{
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static F32 bias = 0.f;
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static F32 factor = -10.f;
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if (mGeomCount > 0)
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{
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glColor4fv(LLColor4::white.mV);
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if (pass == 0)
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{
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LLViewerImage::bindTexture(red_blue_imagep);
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}
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else // pass == 1
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{
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glBlendFunc(GL_ONE, GL_ONE);
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LLViewerImage::bindTexture(green_imagep);
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glMatrixMode(GL_TEXTURE);
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glPushMatrix();
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glScalef(256.f, 256.f, 1.f);
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}
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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if (!isState(GLOBAL))
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{
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// Apply the proper transform for non-global objects.
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glMatrixMode(GL_MODELVIEW);
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glPushMatrix();
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glMultMatrixf((float*)getRenderMatrix().mMatrix);
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}
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glEnable(GL_POLYGON_OFFSET_FILL);
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glPolygonOffset(factor, bias);
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if (sSafeRenderSelect)
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{
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glBegin(GL_TRIANGLES);
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if (count)
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{
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for (S32 i = offset; i < offset + count; i++)
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{
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LLVector2 tc = mDrawPoolp->getTexCoord(mDrawPoolp->getIndex(getIndicesStart() + i), 0);
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glTexCoord2fv(tc.mV);
|
|
LLVector3 vertex = mDrawPoolp->getVertex(mDrawPoolp->getIndex(getIndicesStart() + i));
|
|
glVertex3fv(vertex.mV);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (U32 i = 0; i < getIndicesCount(); i++)
|
|
{
|
|
LLVector2 tc = mDrawPoolp->getTexCoord(mDrawPoolp->getIndex(getIndicesStart() + i), 0);
|
|
glTexCoord2fv(tc.mV);
|
|
LLVector3 vertex = mDrawPoolp->getVertex(mDrawPoolp->getIndex(getIndicesStart() + i));
|
|
glVertex3fv(vertex.mV);
|
|
}
|
|
}
|
|
glEnd();
|
|
}
|
|
else
|
|
{
|
|
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
|
|
glEnableClientState(GL_VERTEX_ARRAY);
|
|
llassert(mGeomIndex >= 0);
|
|
if (count)
|
|
{
|
|
if (mIndicesCount > 0)
|
|
{
|
|
glDrawElements(GL_TRIANGLES, count, GL_UNSIGNED_INT, getRawIndices() + offset);
|
|
}
|
|
else
|
|
{
|
|
llerrs << "Rendering non-indexed volume face!" << llendl;
|
|
glDrawArrays(mPrimType, mGeomIndex, mGeomCount);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (mIndicesCount > 0)
|
|
{
|
|
glDrawElements(GL_TRIANGLES, mIndicesCount, GL_UNSIGNED_INT, getRawIndices());
|
|
}
|
|
else
|
|
{
|
|
glDrawArrays(GL_TRIANGLES, mGeomIndex, mGeomCount);
|
|
}
|
|
}
|
|
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
|
|
}
|
|
|
|
glDisable(GL_POLYGON_OFFSET_FILL);
|
|
if (!isState(GLOBAL))
|
|
{
|
|
// Restore the tranform for non-global objects
|
|
glPopMatrix();
|
|
}
|
|
if (pass == 1)
|
|
{
|
|
glMatrixMode(GL_TEXTURE);
|
|
glPopMatrix();
|
|
glMatrixMode(GL_MODELVIEW);
|
|
glBlendFunc(GL_DST_ALPHA, GL_ONE_MINUS_DST_ALPHA);
|
|
}
|
|
}
|
|
}
|
|
|
|
//restore blend func
|
|
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
|
#endif
|
|
}
|
|
|
|
|
|
void LLFace::printDebugInfo() const
|
|
{
|
|
LLFacePool *poolp = getPool();
|
|
llinfos << "Object: " << getViewerObject()->mID << llendl;
|
|
if (getDrawable())
|
|
{
|
|
llinfos << "Type: " << LLPrimitive::pCodeToString(getDrawable()->getVObj()->getPCode()) << llendl;
|
|
}
|
|
if (getTexture())
|
|
{
|
|
llinfos << "Texture: " << getTexture() << " Comps: " << (U32)getTexture()->getComponents() << llendl;
|
|
}
|
|
else
|
|
{
|
|
llinfos << "No texture: " << llendl;
|
|
}
|
|
|
|
llinfos << "Face: " << this << llendl;
|
|
llinfos << "State: " << getState() << llendl;
|
|
llinfos << "Geom Index Data:" << llendl;
|
|
llinfos << "--------------------" << llendl;
|
|
llinfos << "GI: " << mGeomIndex << " Count:" << mGeomCount << llendl;
|
|
llinfos << "Face Index Data:" << llendl;
|
|
llinfos << "--------------------" << llendl;
|
|
llinfos << "II: " << mIndicesIndex << " Count:" << mIndicesCount << llendl;
|
|
llinfos << llendl;
|
|
|
|
poolp->printDebugInfo();
|
|
|
|
S32 pool_references = 0;
|
|
for (std::vector<LLFace*>::iterator iter = poolp->mReferences.begin();
|
|
iter != poolp->mReferences.end(); iter++)
|
|
{
|
|
LLFace *facep = *iter;
|
|
if (facep == this)
|
|
{
|
|
llinfos << "Pool reference: " << pool_references << llendl;
|
|
pool_references++;
|
|
}
|
|
}
|
|
|
|
if (pool_references != 1)
|
|
{
|
|
llinfos << "Incorrect number of pool references!" << llendl;
|
|
}
|
|
|
|
#if 0
|
|
llinfos << "Indices:" << llendl;
|
|
llinfos << "--------------------" << llendl;
|
|
|
|
const U32 *indicesp = getRawIndices();
|
|
S32 indices_count = getIndicesCount();
|
|
S32 geom_start = getGeomStart();
|
|
|
|
for (S32 i = 0; i < indices_count; i++)
|
|
{
|
|
llinfos << i << ":" << indicesp[i] << ":" << (S32)(indicesp[i] - geom_start) << llendl;
|
|
}
|
|
llinfos << llendl;
|
|
|
|
llinfos << "Vertices:" << llendl;
|
|
llinfos << "--------------------" << llendl;
|
|
for (S32 i = 0; i < mGeomCount; i++)
|
|
{
|
|
llinfos << mGeomIndex + i << ":" << poolp->getVertex(mGeomIndex + i) << llendl;
|
|
}
|
|
llinfos << llendl;
|
|
#endif
|
|
}
|
|
|
|
// Transform the texture coordinates for this face.
|
|
static void xform(LLVector2 &tex_coord, F32 cosAng, F32 sinAng, F32 offS, F32 offT, F32 magS, F32 magT)
|
|
{
|
|
// New, good way
|
|
F32 s = tex_coord.mV[0];
|
|
F32 t = tex_coord.mV[1];
|
|
|
|
// Texture transforms are done about the center of the face.
|
|
s -= 0.5;
|
|
t -= 0.5;
|
|
|
|
// Handle rotation
|
|
F32 temp = s;
|
|
s = s * cosAng + t * sinAng;
|
|
t = -temp * sinAng + t * cosAng;
|
|
|
|
// Then scale
|
|
s *= magS;
|
|
t *= magT;
|
|
|
|
// Then offset
|
|
s += offS + 0.5f;
|
|
t += offT + 0.5f;
|
|
|
|
tex_coord.mV[0] = s;
|
|
tex_coord.mV[1] = t;
|
|
}
|
|
|
|
|
|
BOOL LLFace::genVolumeBBoxes(const LLVolume &volume, S32 f,
|
|
const LLMatrix4& mat_vert, const LLMatrix3& mat_normal, BOOL global_volume)
|
|
{
|
|
LLMemType mt1(LLMemType::MTYPE_DRAWABLE);
|
|
|
|
const LLVolumeFace &face = volume.getVolumeFace(f);
|
|
|
|
//get bounding box
|
|
if (mDrawablep->isState(LLDrawable::REBUILD_VOLUME | LLDrawable::REBUILD_POSITION))
|
|
{
|
|
if (mDrawablep->isState(LLDrawable::REBUILD_VOLUME))
|
|
{ //vertex buffer no longer valid
|
|
mVertexBuffer = NULL;
|
|
mLastVertexBuffer = NULL;
|
|
}
|
|
|
|
LLVector3 min,max;
|
|
|
|
min = face.mExtents[0];
|
|
max = face.mExtents[1];
|
|
|
|
//min, max are in volume space, convert to drawable render space
|
|
LLVector3 center = ((min + max) * 0.5f)*mat_vert;
|
|
LLVector3 size = ((max-min) * 0.5f);
|
|
if (!global_volume)
|
|
{
|
|
size.scaleVec(mDrawablep->getVObj()->getScale());
|
|
}
|
|
LLQuaternion rotation = LLQuaternion(mat_normal);
|
|
|
|
LLVector3 v[4];
|
|
//get 4 corners of bounding box
|
|
v[0] = (size * rotation);
|
|
v[1] = (LLVector3(-size.mV[0], -size.mV[1], size.mV[2]) * rotation);
|
|
v[2] = (LLVector3(size.mV[0], -size.mV[1], -size.mV[2]) * rotation);
|
|
v[3] = (LLVector3(-size.mV[0], size.mV[1], -size.mV[2]) * rotation);
|
|
|
|
LLVector3& newMin = mExtents[0];
|
|
LLVector3& newMax = mExtents[1];
|
|
|
|
newMin = newMax = center;
|
|
|
|
for (U32 i = 0; i < 4; i++)
|
|
{
|
|
for (U32 j = 0; j < 3; j++)
|
|
{
|
|
F32 delta = fabsf(v[i].mV[j]);
|
|
F32 min = center.mV[j] - delta;
|
|
F32 max = center.mV[j] + delta;
|
|
|
|
if (min < newMin.mV[j])
|
|
{
|
|
newMin.mV[j] = min;
|
|
}
|
|
|
|
if (max > newMax.mV[j])
|
|
{
|
|
newMax.mV[j] = max;
|
|
}
|
|
}
|
|
}
|
|
|
|
mCenterLocal = (newMin+newMax)*0.5f;
|
|
updateCenterAgent();
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
BOOL LLFace::getGeometryVolume(const LLVolume& volume,
|
|
S32 f,
|
|
LLStrider<LLVector3>& vertices,
|
|
LLStrider<LLVector3>& normals,
|
|
LLStrider<LLVector2>& tex_coords,
|
|
LLStrider<LLVector2>& tex_coords2,
|
|
LLStrider<LLColor4U>& colors,
|
|
LLStrider<U32>& indicesp,
|
|
const LLMatrix4& mat_vert, const LLMatrix3& mat_normal,
|
|
U32& index_offset)
|
|
{
|
|
const LLVolumeFace &vf = volume.getVolumeFace(f);
|
|
S32 num_vertices = (S32)vf.mVertices.size();
|
|
S32 num_indices = (S32)vf.mIndices.size();
|
|
|
|
LLStrider<LLVector3> old_verts;
|
|
LLStrider<LLVector2> old_texcoords;
|
|
LLStrider<LLVector2> old_texcoords2;
|
|
LLStrider<LLVector3> old_normals;
|
|
LLStrider<LLColor4U> old_colors;
|
|
|
|
BOOL full_rebuild = mDrawablep->isState(LLDrawable::REBUILD_VOLUME);
|
|
BOOL moved = TRUE;
|
|
|
|
BOOL global_volume = mDrawablep->getVOVolume()->isVolumeGlobal();
|
|
LLVector3 scale;
|
|
if (global_volume)
|
|
{
|
|
scale.setVec(1,1,1);
|
|
}
|
|
else
|
|
{
|
|
scale = mVObjp->getScale();
|
|
}
|
|
|
|
if (!full_rebuild)
|
|
{
|
|
if (mLastVertexBuffer == mVertexBuffer &&
|
|
!mVertexBuffer->isEmpty())
|
|
{ //this face really doesn't need to be regenerated, try real hard not to do so
|
|
if (mLastGeomCount == mGeomCount &&
|
|
mLastGeomIndex == mGeomIndex &&
|
|
mLastIndicesCount == mIndicesCount &&
|
|
mLastIndicesIndex == mIndicesIndex)
|
|
{ //data is in same location in vertex buffer
|
|
moved = FALSE;
|
|
}
|
|
|
|
if (!moved && !mDrawablep->isState(LLDrawable::REBUILD_ALL))
|
|
{ //nothing needs to be done
|
|
vertices += mGeomCount;
|
|
normals += mGeomCount;
|
|
tex_coords += mGeomCount;
|
|
colors += mGeomCount;
|
|
tex_coords2 += mGeomCount;
|
|
index_offset += mGeomCount;
|
|
indicesp += mIndicesCount;
|
|
return FALSE;
|
|
}
|
|
|
|
if (mLastGeomCount == mGeomCount)
|
|
{
|
|
if (mLastGeomIndex >= mGeomIndex &&
|
|
mLastGeomIndex + mGeomCount+1 < mVertexBuffer->getNumVerts())
|
|
{
|
|
//copy from further down the buffer
|
|
mVertexBuffer->getVertexStrider(old_verts, mLastGeomIndex);
|
|
mVertexBuffer->getTexCoordStrider(old_texcoords, mLastGeomIndex);
|
|
mVertexBuffer->getTexCoord2Strider(old_texcoords2, mLastGeomIndex);
|
|
mVertexBuffer->getNormalStrider(old_normals, mLastGeomIndex);
|
|
mVertexBuffer->getColorStrider(old_colors, mLastGeomIndex);
|
|
|
|
if (!mDrawablep->isState(LLDrawable::REBUILD_ALL))
|
|
{
|
|
//quick copy
|
|
for (S32 i = 0; i < mGeomCount; i++)
|
|
{
|
|
*vertices++ = *old_verts++;
|
|
*tex_coords++ = *old_texcoords++;
|
|
*tex_coords2++ = *old_texcoords2++;
|
|
*colors++ = *old_colors++;
|
|
*normals++ = *old_normals++;
|
|
}
|
|
|
|
for (U32 i = 0; i < mIndicesCount; i++)
|
|
{
|
|
*indicesp++ = vf.mIndices[i] + index_offset;
|
|
}
|
|
|
|
index_offset += mGeomCount;
|
|
mLastGeomIndex = mGeomIndex;
|
|
mLastIndicesCount = mIndicesCount;
|
|
mLastIndicesIndex = mIndicesIndex;
|
|
|
|
return TRUE;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
full_rebuild = TRUE;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
full_rebuild = TRUE;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
mLastUpdateTime = gFrameTimeSeconds;
|
|
}
|
|
|
|
|
|
BOOL rebuild_pos = full_rebuild || mDrawablep->isState(LLDrawable::REBUILD_POSITION);
|
|
BOOL rebuild_color = full_rebuild || mDrawablep->isState(LLDrawable::REBUILD_COLOR);
|
|
BOOL rebuild_tcoord = full_rebuild || mDrawablep->isState(LLDrawable::REBUILD_TCOORD);
|
|
|
|
F32 r = 0, os = 0, ot = 0, ms = 0, mt = 0, cos_ang = 0, sin_ang = 0;
|
|
|
|
BOOL is_static = mDrawablep->isStatic();
|
|
BOOL is_global = is_static;
|
|
|
|
if (-1 == index_offset)
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
LLVector3 center_sum(0.f, 0.f, 0.f);
|
|
|
|
if (is_global)
|
|
{
|
|
setState(GLOBAL);
|
|
}
|
|
else
|
|
{
|
|
clearState(GLOBAL);
|
|
}
|
|
|
|
LLVector2 tmin, tmax;
|
|
|
|
const LLTextureEntry *tep = mVObjp->getTE(f);
|
|
U8 bump_code = tep ? bump_code = tep->getBumpmap() : 0;
|
|
|
|
if (rebuild_tcoord)
|
|
{
|
|
if (tep)
|
|
{
|
|
r = tep->getRotation();
|
|
os = tep->mOffsetS;
|
|
ot = tep->mOffsetT;
|
|
ms = tep->mScaleS;
|
|
mt = tep->mScaleT;
|
|
cos_ang = cos(r);
|
|
sin_ang = sin(r);
|
|
}
|
|
else
|
|
{
|
|
cos_ang = 1.0f;
|
|
sin_ang = 0.0f;
|
|
os = 0.0f;
|
|
ot = 0.0f;
|
|
ms = 1.0f;
|
|
mt = 1.0f;
|
|
}
|
|
}
|
|
|
|
if (isState(TEXTURE_ANIM))
|
|
{
|
|
LLVOVolume* vobj = (LLVOVolume*) (LLViewerObject*) mVObjp;
|
|
U8 mode = vobj->mTexAnimMode;
|
|
if (mode & LLViewerTextureAnim::TRANSLATE)
|
|
{
|
|
os = ot = 0.f;
|
|
}
|
|
if (mode & LLViewerTextureAnim::ROTATE)
|
|
{
|
|
r = 0.f;
|
|
cos_ang = 1.f;
|
|
sin_ang = 0.f;
|
|
}
|
|
if (mode & LLViewerTextureAnim::SCALE)
|
|
{
|
|
ms = mt = 1.f;
|
|
}
|
|
}
|
|
|
|
LLColor4U color = tep->getColor();
|
|
|
|
if (rebuild_color)
|
|
{
|
|
GLfloat alpha[4] =
|
|
{
|
|
0.00f,
|
|
0.25f,
|
|
0.5f,
|
|
0.75f
|
|
};
|
|
|
|
if (gPipeline.getPoolTypeFromTE(tep, getTexture()) == LLDrawPool::POOL_BUMP)
|
|
{
|
|
color.mV[3] = U8 (alpha[tep->getShiny()] * 255);
|
|
}
|
|
}
|
|
|
|
// INDICES
|
|
if (full_rebuild || moved)
|
|
{
|
|
for (S32 i = 0; i < num_indices; i++)
|
|
{
|
|
*indicesp++ = vf.mIndices[i] + index_offset;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
indicesp += num_indices;
|
|
}
|
|
|
|
//bump setup
|
|
LLVector3 binormal_dir( -sin_ang, cos_ang, 0 );
|
|
LLVector3 bump_s_primary_light_ray;
|
|
LLVector3 bump_t_primary_light_ray;
|
|
|
|
if (bump_code)
|
|
{
|
|
F32 offset_multiple;
|
|
switch( bump_code )
|
|
{
|
|
case BE_NO_BUMP:
|
|
offset_multiple = 0.f;
|
|
break;
|
|
case BE_BRIGHTNESS:
|
|
case BE_DARKNESS:
|
|
if( mTexture.notNull() && mTexture->getHasGLTexture())
|
|
{
|
|
// Offset by approximately one texel
|
|
S32 cur_discard = mTexture->getDiscardLevel();
|
|
S32 max_size = llmax( mTexture->getWidth(), mTexture->getHeight() );
|
|
max_size <<= cur_discard;
|
|
const F32 ARTIFICIAL_OFFSET = 2.f;
|
|
offset_multiple = ARTIFICIAL_OFFSET / (F32)max_size;
|
|
}
|
|
else
|
|
{
|
|
offset_multiple = 1.f/256;
|
|
}
|
|
break;
|
|
|
|
default: // Standard bumpmap textures. Assumed to be 256x256
|
|
offset_multiple = 1.f / 256;
|
|
break;
|
|
}
|
|
|
|
F32 s_scale = 1.f;
|
|
F32 t_scale = 1.f;
|
|
if( tep )
|
|
{
|
|
tep->getScale( &s_scale, &t_scale );
|
|
}
|
|
LLVector3 sun_ray = gSky.getSunDirection();
|
|
LLVector3 moon_ray = gSky.getMoonDirection();
|
|
LLVector3& primary_light_ray = (sun_ray.mV[VZ] > 0) ? sun_ray : moon_ray;
|
|
bump_s_primary_light_ray = offset_multiple * s_scale * primary_light_ray;
|
|
bump_t_primary_light_ray = offset_multiple * t_scale * primary_light_ray;
|
|
}
|
|
|
|
U8 texgen = getTextureEntry()->getTexGen();
|
|
|
|
for (S32 i = 0; i < num_vertices; i++)
|
|
{
|
|
if (rebuild_tcoord)
|
|
{
|
|
LLVector2 tc = vf.mVertices[i].mTexCoord;
|
|
|
|
if (texgen != LLTextureEntry::TEX_GEN_DEFAULT)
|
|
{
|
|
LLVector3 vec = vf.mVertices[i].mPosition;
|
|
|
|
vec.scaleVec(scale);
|
|
|
|
switch (texgen)
|
|
{
|
|
case LLTextureEntry::TEX_GEN_PLANAR:
|
|
planarProjection(tc, vf.mVertices[i], vf.mCenter, vec);
|
|
break;
|
|
case LLTextureEntry::TEX_GEN_SPHERICAL:
|
|
sphericalProjection(tc, vf.mVertices[i], vf.mCenter, vec);
|
|
break;
|
|
case LLTextureEntry::TEX_GEN_CYLINDRICAL:
|
|
cylindricalProjection(tc, vf.mVertices[i], vf.mCenter, vec);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
xform(tc, cos_ang, sin_ang, os, ot, ms, mt);
|
|
*tex_coords++ = tc;
|
|
|
|
if (bump_code)
|
|
{
|
|
LLVector3 tangent = vf.mVertices[i].mBinormal % vf.mVertices[i].mNormal;
|
|
LLMatrix3 tangent_to_object;
|
|
tangent_to_object.setRows(tangent, vf.mVertices[i].mBinormal, vf.mVertices[i].mNormal);
|
|
LLVector3 binormal = binormal_dir * tangent_to_object;
|
|
|
|
binormal = binormal * mat_normal;
|
|
binormal.normVec();
|
|
|
|
tc += LLVector2( bump_s_primary_light_ray * tangent, bump_t_primary_light_ray * binormal );
|
|
*tex_coords2++ = tc;
|
|
}
|
|
}
|
|
else if (moved)
|
|
{
|
|
*tex_coords++ = *old_texcoords++;
|
|
if (bump_code)
|
|
{
|
|
*tex_coords2++ = *old_texcoords2++;
|
|
}
|
|
}
|
|
|
|
if (rebuild_pos)
|
|
{
|
|
*vertices++ = vf.mVertices[i].mPosition * mat_vert;
|
|
|
|
LLVector3 normal = vf.mVertices[i].mNormal * mat_normal;
|
|
normal.normVec();
|
|
|
|
*normals++ = normal;
|
|
}
|
|
else if (moved)
|
|
{
|
|
*normals++ = *old_normals++;
|
|
*vertices++ = *old_verts++;
|
|
}
|
|
|
|
if (rebuild_color)
|
|
{
|
|
*colors++ = color;
|
|
}
|
|
else if (moved)
|
|
{
|
|
*colors++ = *old_colors++;
|
|
}
|
|
}
|
|
|
|
if (!rebuild_pos && !moved)
|
|
{
|
|
vertices += num_vertices;
|
|
}
|
|
|
|
if (!rebuild_tcoord && !moved)
|
|
{
|
|
tex_coords2 += num_vertices;
|
|
tex_coords += num_vertices;
|
|
}
|
|
else if (!bump_code)
|
|
{
|
|
tex_coords2 += num_vertices;
|
|
}
|
|
|
|
if (!rebuild_color && !moved)
|
|
{
|
|
colors += num_vertices;
|
|
}
|
|
|
|
if (rebuild_tcoord)
|
|
{
|
|
mTexExtents[0].setVec(0,0);
|
|
mTexExtents[1].setVec(1,1);
|
|
xform(mTexExtents[0], cos_ang, sin_ang, os, ot, ms, mt);
|
|
xform(mTexExtents[1], cos_ang, sin_ang, os, ot, ms, mt);
|
|
}
|
|
|
|
index_offset += num_vertices;
|
|
|
|
mLastVertexBuffer = mVertexBuffer;
|
|
mLastGeomCount = mGeomCount;
|
|
mLastGeomIndex = mGeomIndex;
|
|
mLastIndicesCount = mIndicesCount;
|
|
mLastIndicesIndex = mIndicesIndex;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
#if 0
|
|
BOOL LLFace::genLighting(const LLVolume* volume, const LLDrawable* drawablep, S32 fstart, S32 fend,
|
|
const LLMatrix4& mat_vert, const LLMatrix3& mat_normal, BOOL do_lighting)
|
|
{
|
|
if (drawablep->isLight())
|
|
{
|
|
do_lighting = FALSE;
|
|
}
|
|
|
|
if (!((mDrawPoolp->mDataMaskIL) & LLDrawPool::DATA_COLORS_MASK))
|
|
{
|
|
return FALSE;
|
|
}
|
|
if (mGeomIndex < 0)
|
|
{
|
|
return FALSE; // no geometry
|
|
}
|
|
LLStrider<LLColor4U> colorsp;
|
|
S32 idx = getColors(colorsp);
|
|
if (idx < 0)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
for (S32 vol_face = fstart; vol_face <= fend; vol_face++)
|
|
{
|
|
const LLVolumeFace &vf = volume->getVolumeFace(vol_face);
|
|
S32 num_vertices = (S32)vf.mVertices.size();
|
|
|
|
if (isState(FULLBRIGHT) || !do_lighting)
|
|
{
|
|
for (S32 i = 0; i < num_vertices; i++)
|
|
{
|
|
(*colorsp++).setToBlack();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (S32 i = 0; i < num_vertices; i++)
|
|
{
|
|
LLVector3 vertex = vf.mVertices[i].mPosition * mat_vert;
|
|
LLVector3 normal = vf.mVertices[i].mNormal * mat_normal;
|
|
normal.normVec();
|
|
|
|
LLColor4 color;
|
|
for (LLDrawable::drawable_set_t::const_iterator iter = drawablep->mLightSet.begin();
|
|
iter != drawablep->mLightSet.end(); ++iter)
|
|
{
|
|
LLDrawable* light_drawable = *iter;
|
|
LLVOVolume* light = light_drawable->getVOVolume();
|
|
if (!light)
|
|
{
|
|
continue;
|
|
}
|
|
LLColor4 light_color;
|
|
light->calcLightAtPoint(vertex, normal, light_color);
|
|
color += light_color;
|
|
}
|
|
|
|
color.mV[3] = 1.0f;
|
|
|
|
(*colorsp++).setVecScaleClamp(color);
|
|
}
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL LLFace::genShadows(const LLVolume* volume, const LLDrawable* drawablep, S32 fstart, S32 fend,
|
|
const LLMatrix4& mat_vert, const LLMatrix3& mat_normal, BOOL use_shadow_factor)
|
|
{
|
|
if (drawablep->isLight())
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
if (!((mDrawPoolp->mDataMaskIL) & LLDrawPool::DATA_COLORS_MASK))
|
|
{
|
|
return FALSE;
|
|
}
|
|
if (mGeomIndex < 0)
|
|
{
|
|
return FALSE; // no geometry
|
|
}
|
|
LLStrider<LLColor4U> colorsp;
|
|
S32 idx = getColors(colorsp);
|
|
if (idx < 0)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
for (S32 vol_face = fstart; vol_face <= fend; vol_face++)
|
|
{
|
|
const LLVolumeFace &vf = volume->getVolumeFace(vol_face);
|
|
S32 num_vertices = (S32)vf.mVertices.size();
|
|
|
|
if (isState(FULLBRIGHT))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
for (S32 i = 0; i < num_vertices; i++)
|
|
{
|
|
LLVector3 vertex = vf.mVertices[i].mPosition * mat_vert;
|
|
LLVector3 normal = vf.mVertices[i].mNormal * mat_normal;
|
|
normal.normVec();
|
|
|
|
U8 shadow;
|
|
|
|
if (use_shadow_factor)
|
|
{
|
|
shadow = (U8) (drawablep->getSunShadowFactor() * 255);
|
|
}
|
|
else
|
|
{
|
|
shadow = 255;
|
|
}
|
|
|
|
(*colorsp++).mV[3] = shadow;
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
#endif
|
|
|
|
BOOL LLFace::verify(const U32* indices_array) const
|
|
{
|
|
BOOL ok = TRUE;
|
|
// First, check whether the face data fits within the pool's range.
|
|
if ((mGeomIndex < 0) || (mGeomIndex + mGeomCount) > mVertexBuffer->getNumVerts())
|
|
{
|
|
ok = FALSE;
|
|
llinfos << "Face not within pool range!" << llendl;
|
|
}
|
|
|
|
S32 indices_count = (S32)getIndicesCount();
|
|
|
|
if (!indices_count)
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
if (indices_count > LL_MAX_INDICES_COUNT)
|
|
{
|
|
ok = FALSE;
|
|
llinfos << "Face has bogus indices count" << llendl;
|
|
}
|
|
|
|
#if 0
|
|
S32 geom_start = getGeomStart();
|
|
S32 geom_count = mGeomCount;
|
|
|
|
const U32 *indicesp = indices_array ? indices_array + mIndicesIndex : getRawIndices();
|
|
|
|
for (S32 i = 0; i < indices_count; i++)
|
|
{
|
|
S32 delta = indicesp[i] - geom_start;
|
|
if (0 > delta)
|
|
{
|
|
llwarns << "Face index too low!" << llendl;
|
|
llinfos << "i:" << i << " Index:" << indicesp[i] << " GStart: " << geom_start << llendl;
|
|
ok = FALSE;
|
|
}
|
|
else if (delta >= geom_count)
|
|
{
|
|
llwarns << "Face index too high!" << llendl;
|
|
llinfos << "i:" << i << " Index:" << indicesp[i] << " GEnd: " << geom_start + geom_count << llendl;
|
|
ok = FALSE;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
if (!ok)
|
|
{
|
|
printDebugInfo();
|
|
}
|
|
return ok;
|
|
}
|
|
|
|
|
|
void LLFace::setViewerObject(LLViewerObject* objp)
|
|
{
|
|
mVObjp = objp;
|
|
}
|
|
|
|
void LLFace::enableLights() const
|
|
{
|
|
if (isState(FULLBRIGHT|HUD_RENDER))
|
|
{
|
|
gPipeline.enableLightsFullbright(LLColor4::white);
|
|
}
|
|
else if (mDrawablep->isState(LLDrawable::LIGHTING_BUILT))
|
|
{
|
|
gPipeline.enableLightsStatic(1.f);
|
|
}
|
|
else
|
|
{
|
|
gPipeline.enableLightsDynamic(1.f);
|
|
}
|
|
if (isState(LIGHT))
|
|
{
|
|
const LLVOVolume* vovolume = (const LLVOVolume*)(mDrawablep->getVObj());
|
|
gPipeline.setAmbient(vovolume->getLightColor());
|
|
}
|
|
}
|
|
|
|
const LLColor4& LLFace::getRenderColor() const
|
|
{
|
|
if (isState(USE_FACE_COLOR))
|
|
{
|
|
return mFaceColor; // Face Color
|
|
}
|
|
else
|
|
{
|
|
const LLTextureEntry* tep = getTextureEntry();
|
|
return (tep ? tep->getColor() : LLColor4::white);
|
|
}
|
|
}
|
|
|
|
void LLFace::renderSetColor() const
|
|
{
|
|
if (!LLFacePool::LLOverrideFaceColor::sOverrideFaceColor)
|
|
{
|
|
const LLColor4* color = &(getRenderColor());
|
|
|
|
if ((mDrawPoolp->mVertexShaderLevel > 0) && (mDrawPoolp->getMaterialAttribIndex() != 0))
|
|
{
|
|
glVertexAttrib4fvARB(mDrawPoolp->getMaterialAttribIndex(), color->mV);
|
|
}
|
|
else
|
|
{
|
|
glColor4fv(color->mV);
|
|
}
|
|
}
|
|
}
|
|
|
|
S32 LLFace::pushVertices(const U32* index_array) const
|
|
{
|
|
if (mIndicesCount)
|
|
{
|
|
if (mGeomCount <= gGLManager.mGLMaxVertexRange &&
|
|
mIndicesCount <= (U32) gGLManager.mGLMaxIndexRange)
|
|
{
|
|
glDrawRangeElements(GL_TRIANGLES, mGeomIndex, mGeomIndex + mGeomCount-1, mIndicesCount,
|
|
GL_UNSIGNED_INT, index_array + mIndicesIndex);
|
|
}
|
|
else
|
|
{
|
|
glDrawElements(GL_TRIANGLES, mIndicesCount, GL_UNSIGNED_INT, index_array+mIndicesIndex);
|
|
}
|
|
}
|
|
|
|
return mIndicesCount;
|
|
}
|
|
|
|
const LLMatrix4& LLFace::getRenderMatrix() const
|
|
{
|
|
return mDrawablep->getRenderMatrix();
|
|
}
|
|
|
|
S32 LLFace::renderElements(const U32 *index_array) const
|
|
{
|
|
S32 ret = 0;
|
|
|
|
if (isState(GLOBAL))
|
|
{
|
|
ret = pushVertices(index_array);
|
|
}
|
|
else
|
|
{
|
|
glPushMatrix();
|
|
glMultMatrixf((float*)getRenderMatrix().mMatrix);
|
|
ret = pushVertices(index_array);
|
|
glPopMatrix();
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
S32 LLFace::renderIndexed()
|
|
{
|
|
if(mGeomIndex < 0 || mDrawablep.isNull() || mDrawPoolp == NULL)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
return renderIndexed(mDrawPoolp->getVertexDataMask());
|
|
}
|
|
|
|
S32 LLFace::renderIndexed(U32 mask)
|
|
{
|
|
if (mVertexBuffer.isNull())
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
mVertexBuffer->setBuffer(mask);
|
|
U32* index_array = (U32*) mVertexBuffer->getIndicesPointer();
|
|
return renderElements(index_array);
|
|
}
|
|
|
|
//============================================================================
|
|
// From llface.inl
|
|
|
|
S32 LLFace::getVertices(LLStrider<LLVector3> &vertices)
|
|
{
|
|
if (!mGeomCount)
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
if (mGeomIndex >= 0) // flexible objects may not have geometry
|
|
{
|
|
mVertexBuffer->getVertexStrider(vertices, mGeomIndex);
|
|
|
|
}
|
|
return mGeomIndex;
|
|
}
|
|
|
|
S32 LLFace::getColors(LLStrider<LLColor4U> &colors)
|
|
{
|
|
if (!mGeomCount)
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
llassert(mGeomIndex >= 0);
|
|
mVertexBuffer->getColorStrider(colors, mGeomIndex);
|
|
return mGeomIndex;
|
|
}
|
|
|
|
S32 LLFace::getIndices(LLStrider<U32> &indicesp)
|
|
{
|
|
mVertexBuffer->getIndexStrider(indicesp, mIndicesIndex);
|
|
llassert(mGeomIndex >= 0 && indicesp[0] != indicesp[1]);
|
|
return mIndicesIndex;
|
|
}
|
|
|
|
LLVector3 LLFace::getPositionAgent() const
|
|
{
|
|
if (mDrawablep->isStatic())
|
|
{
|
|
return mCenterAgent;
|
|
}
|
|
else
|
|
{
|
|
return mCenterLocal * getRenderMatrix();
|
|
}
|
|
}
|