reapply 448b02f5b56f: MAINT-1147 Fix for frame stall on region crossing.

1 files changed, 28 insertions, 0 deletions

diff --git a/indra/newview/lldrawpoolterrain.cpp b/indra/newview/lldrawpoolterrain.cpp
index b95d8296fa..7fc78fb382 100644
--- a/indra/newview/lldrawpoolterrain.cpp
+++ b/indra/newview/lldrawpoolterrain.cpp
@@ -294,6 +294,34 @@ void LLDrawPoolTerrain::renderShadow(S32 pass)
 	//glCullFace(GL_BACK);
 }
 
+
+void LLDrawPoolTerrain::drawLoop()
+{
+	if (!mDrawFace.empty())
+	{
+		for (std::vector<LLFace*>::iterator iter = mDrawFace.begin();
+			 iter != mDrawFace.end(); iter++)
+		{
+			LLFace *facep = *iter;
+
+			LLMatrix4* model_matrix = &(facep->getDrawable()->getRegion()->mRenderMatrix);
+
+			if (model_matrix != gGLLastMatrix)
+			{
+				gGLLastMatrix = model_matrix;
+				gGL.loadMatrix(gGLModelView);
+				if (model_matrix)
+				{
+					gGL.multMatrix((GLfloat*) model_matrix->mMatrix);
+				}
+				gPipeline.mMatrixOpCount++;
+			}
+
+			facep->renderIndexed();
+		}
+	}
+}
+
 void LLDrawPoolTerrain::renderFullShader()
 {
 	// Hack! Get the region that this draw pool is rendering from!