1 files changed, 41 insertions, 15 deletions

diff --git a/indra/llrender/llrender.cpp b/indra/llrender/llrender.cpp
index 812fa7024b..4597d06260 100644
--- a/indra/llrender/llrender.cpp
+++ b/indra/llrender/llrender.cpp
@@ -246,14 +246,6 @@ bool LLTexUnit::bind(LLTexture* texture, bool for_rendering, bool forceBind)
 	}
 
 	//in audit, replace the selected texture by the default one.
-	if(gAuditTexture && for_rendering && LLImageGL::sCurTexPickSize > 0)
-	{
-		if(texture->getWidth() * texture->getHeight() == LLImageGL::sCurTexPickSize)
-		{
-			gl_tex->updateBindStats(gl_tex->mTextureMemory);
-			return bind(LLImageGL::sHighlightTexturep.get());
-		}
-	}
 	if ((mCurrTexture != gl_tex->getTexName()) || forceBind)
 	{
 		activate();
@@ -416,12 +408,14 @@ void LLTexUnit::unbind(eTextureType type)
 
 	if (mIndex < 0) return;
 
+	//always flush and activate for consistency 
+	//   some code paths assume unbind always flushes and sets the active texture
+	gGL.flush();
+	activate();
+
 	// Disabled caching of binding state.
 	if (mCurrTexType == type)
 	{
-		gGL.flush();
-
-		activate();
 		mCurrTexture = 0;
 		if (LLGLSLShader::sNoFixedFunction && type == LLTexUnit::TT_TEXTURE)
 		{
@@ -472,11 +466,25 @@ void LLTexUnit::setTextureFilteringOption(LLTexUnit::eTextureFilterOptions optio
 	} 
 	else if (option >= TFO_BILINEAR)
 	{
-		glTexParameteri(sGLTextureType[mCurrTexType], GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+		if (mHasMipMaps)
+		{
+			glTexParameteri(sGLTextureType[mCurrTexType], GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST);
+		}
+		else
+		{
+			glTexParameteri(sGLTextureType[mCurrTexType], GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+		}
 	}
 	else
 	{
-		glTexParameteri(sGLTextureType[mCurrTexType], GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+		if (mHasMipMaps)
+		{
+			glTexParameteri(sGLTextureType[mCurrTexType], GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);
+		}
+		else
+		{
+			glTexParameteri(sGLTextureType[mCurrTexType], GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+		}
 	}
 
 	if (gGLManager.mHasAnisotropic)
@@ -640,7 +648,7 @@ void LLTexUnit::setTextureCombiner(eTextureBlendOp op, eTextureBlendSrc src1, eT
 		gGL.flush();
 		glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB);
 	}
-
+	
 	// We want an early out, because this function does a LOT of stuff.
 	if ( ( (isAlpha && (mCurrAlphaOp == op) && (mCurrAlphaSrc1 == src1) && (mCurrAlphaSrc2 == src2))
 			|| (!isAlpha && (mCurrColorOp == op) && (mCurrColorSrc1 == src1) && (mCurrColorSrc2 == src2)) ) && !gGL.mDirty)
@@ -997,7 +1005,7 @@ void LLLightState::setSpotDirection(const LLVector3& direction)
 		const glh::matrix4f& mat = gGL.getModelviewMatrix();
 		mat.mult_matrix_dir(dir);
 
-		mSpotDirection.set(direction);
+		mSpotDirection.set(dir.v);
 	}
 }
 
@@ -1429,11 +1437,24 @@ void LLRender::matrixMode(U32 mode)
 	mMatrixMode = mode;
 }
 
+U32 LLRender::getMatrixMode()
+{
+	if (mMatrixMode >= MM_TEXTURE0 && mMatrixMode <= MM_TEXTURE3)
+	{ //always return MM_TEXTURE if current matrix mode points at any texture matrix
+		return MM_TEXTURE;
+	}
+
+	return mMatrixMode;
+}
+
+
 void LLRender::loadIdentity()
 {
 	flush();
 
 	{
+		llassert_always(mMatrixMode < NUM_MATRIX_MODES) ;
+
 		mMatrix[mMatrixMode][mMatIdx[mMatrixMode]].make_identity();
 		mMatHash[mMatrixMode]++;
 	}
@@ -1444,6 +1465,11 @@ const glh::matrix4f& LLRender::getModelviewMatrix()
 	return mMatrix[MM_MODELVIEW][mMatIdx[MM_MODELVIEW]];
 }
 
+const glh::matrix4f& LLRender::getProjectionMatrix()
+{
+	return mMatrix[MM_PROJECTION][mMatIdx[MM_PROJECTION]];
+}
+
 void LLRender::translateUI(F32 x, F32 y, F32 z)
 {
 	if (mUIOffset.empty())