From c602fed9b7f262d6cba713f6a282aacde6304fde Mon Sep 17 00:00:00 2001
From: Xiaohong Bao <bao@lindenlab.com>
Date: Tue, 18 Jan 2011 14:08:21 -0700
Subject: [PATCH] fix for SH-659: small textures not loaded
---
indra/llmath/llvolume.cpp | 41 ++++++++++++++++++++++++++++++++++++---
indra/llmath/llvolume.h | 1 +
indra/newview/llface.cpp | 11 +++++++++--
3 files changed, 48 insertions(+), 5 deletions(-)
diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp
index 14e1ca8d436..71b92962fb0 100644
--- a/indra/llmath/llvolume.cpp
+++ b/indra/llmath/llvolume.cpp
@@ -4406,19 +4406,54 @@ std::ostream& operator<<(std::ostream &s, const LLVolume *volumep)
BOOL LLVolumeFace::create(LLVolume* volume, BOOL partial_build)
{
+ BOOL ret = FALSE ;
if (mTypeMask & CAP_MASK)
{
- return createCap(volume, partial_build);
+ ret = createCap(volume, partial_build);
}
else if ((mTypeMask & END_MASK) || (mTypeMask & SIDE_MASK))
{
- return createSide(volume, partial_build);
+ ret = createSide(volume, partial_build);
}
else
{
llerrs << "Unknown/uninitialized face type!" << llendl;
- return FALSE;
}
+
+ //update the range of the texture coordinates
+ if(ret)
+ {
+ mTexCoordExtents[0].setVec(1.f, 1.f) ;
+ mTexCoordExtents[1].setVec(0.f, 0.f) ;
+
+ U32 end = mVertices.size() ;
+ for(U32 i = 0 ; i < end ; i++)
+ {
+ if(mTexCoordExtents[0].mV[0] > mVertices[i].mTexCoord.mV[0])
+ {
+ mTexCoordExtents[0].mV[0] = mVertices[i].mTexCoord.mV[0] ;
+ }
+ if(mTexCoordExtents[1].mV[0] < mVertices[i].mTexCoord.mV[0])
+ {
+ mTexCoordExtents[1].mV[0] = mVertices[i].mTexCoord.mV[0] ;
+ }
+
+ if(mTexCoordExtents[0].mV[1] > mVertices[i].mTexCoord.mV[1])
+ {
+ mTexCoordExtents[0].mV[1] = mVertices[i].mTexCoord.mV[1] ;
+ }
+ if(mTexCoordExtents[1].mV[1] < mVertices[i].mTexCoord.mV[1])
+ {
+ mTexCoordExtents[1].mV[1] = mVertices[i].mTexCoord.mV[1] ;
+ }
+ }
+ mTexCoordExtents[0].mV[0] = llmax(0.f, mTexCoordExtents[0].mV[0]) ;
+ mTexCoordExtents[0].mV[1] = llmax(0.f, mTexCoordExtents[0].mV[1]) ;
+ mTexCoordExtents[1].mV[0] = llmin(1.f, mTexCoordExtents[1].mV[0]) ;
+ mTexCoordExtents[1].mV[1] = llmin(1.f, mTexCoordExtents[1].mV[1]) ;
+ }
+
+ return ret ;
}
void LerpPlanarVertex(LLVolumeFace::VertexData& v0,
diff --git a/indra/llmath/llvolume.h b/indra/llmath/llvolume.h
index d48a79ee46a..28b9895ff39 100644
--- a/indra/llmath/llvolume.h
+++ b/indra/llmath/llvolume.h
@@ -831,6 +831,7 @@ class LLVolumeFace
S32 mNumT;
LLVector3 mExtents[2]; //minimum and maximum point of face
+ LLVector2 mTexCoordExtents[2]; //minimum and maximum of texture coordinates of the face.
std::vector<VertexData> mVertices;
std::vector<U16> mIndices;
diff --git a/indra/newview/llface.cpp b/indra/newview/llface.cpp
index d22950cad34..6ba957870c1 100644
--- a/indra/newview/llface.cpp
+++ b/indra/newview/llface.cpp
@@ -1233,7 +1233,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
if (rebuild_tcoord)
{
LLVector2 tc = vf.mVertices[i].mTexCoord;
-
+
if (texgen != LLTextureEntry::TEX_GEN_DEFAULT)
{
LLVector3 vec = vf.mVertices[i].mPosition;
@@ -1409,7 +1409,14 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
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);
+ xform(mTexExtents[1], cos_ang, sin_ang, os, ot, ms, mt);
+
+ F32 es = vf.mTexCoordExtents[1].mV[0] - vf.mTexCoordExtents[0].mV[0] ;
+ F32 et = vf.mTexCoordExtents[1].mV[1] - vf.mTexCoordExtents[0].mV[1] ;
+ mTexExtents[0][0] *= es ;
+ mTexExtents[1][0] *= es ;
+ mTexExtents[0][1] *= et ;
+ mTexExtents[1][1] *= et ;
}
mLastVertexBuffer = mVertexBuffer;
--
GitLab