Merge branch 'DRTVWR-559' into DRTVWR-583

1 files changed, 21 insertions, 20 deletions

diff --git a/indra/newview/llvowater.cpp b/indra/newview/llvowater.cpp
index 608d2cb799..77ad967cef 100644
--- a/indra/newview/llvowater.cpp
+++ b/indra/newview/llvowater.cpp
@@ -142,9 +142,14 @@ BOOL LLVOWater::updateGeometry(LLDrawable *drawable)
 	static const unsigned int vertices_per_quad = 4;
 	static const unsigned int indices_per_quad = 6;
 
-	const S32 size = LLPipeline::sRenderTransparentWater ? 16 : 1;
+    S32 size_x = LLPipeline::sRenderTransparentWater ? 8 : 1;
+    S32 size_y = LLPipeline::sRenderTransparentWater ? 8 : 1;
 
-	const S32 num_quads = size * size;
+    const LLVector3& scale = getScale();
+    size_x *= llmin(llround(scale.mV[0] / 256.f), 8);
+    size_y *= llmin(llround(scale.mV[1] / 256.f), 8);
+
+	const S32 num_quads = size_x * size_y;
 	face->setSize(vertices_per_quad * num_quads,
 				  indices_per_quad * num_quads);
 	
@@ -175,41 +180,37 @@ BOOL LLVOWater::updateGeometry(LLDrawable *drawable)
 	face->mCenterLocal = position_agent;
 
 	S32 x, y;
-	F32 step_x = getScale().mV[0] / size;
-	F32 step_y = getScale().mV[1] / size;
+	F32 step_x = getScale().mV[0] / size_x;
+	F32 step_y = getScale().mV[1] / size_y;
 
 	const LLVector3 up(0.f, step_y * 0.5f, 0.f);
 	const LLVector3 right(step_x * 0.5f, 0.f, 0.f);
 	const LLVector3 normal(0.f, 0.f, 1.f);
 
-	F32 size_inv = 1.f / size;
-
-	F32 z_fudge = 0.f;
+	F32 size_inv_x = 1.f / size_x;
+    F32 size_inv_y = 1.f / size_y;
 
-	if (getIsEdgePatch())
-	{ //bump edge patches down 10 cm to prevent aliasing along edges
-		z_fudge = -0.1f;
-	}
-
-	for (y = 0; y < size; y++)
+	for (y = 0; y < size_y; y++)
 	{
-		for (x = 0; x < size; x++)
+		for (x = 0; x < size_x; x++)
 		{
-			S32 toffset = index_offset + 4*(y*size + x);
+			S32 toffset = index_offset + 4*(y*size_x + x);
 			position_agent = getPositionAgent() - getScale() * 0.5f;
 			position_agent.mV[VX] += (x + 0.5f) * step_x;
 			position_agent.mV[VY] += (y + 0.5f) * step_y;
-			position_agent.mV[VZ] += z_fudge;
+
+            position_agent.mV[VX] = llround(position_agent.mV[VX]);
+            position_agent.mV[VY] = llround(position_agent.mV[VY]);
 
 			*verticesp++  = position_agent - right + up;
 			*verticesp++  = position_agent - right - up;
 			*verticesp++  = position_agent + right + up;
 			*verticesp++  = position_agent + right - up;
 
-			*texCoordsp++ = LLVector2(x*size_inv, (y+1)*size_inv);
-			*texCoordsp++ = LLVector2(x*size_inv, y*size_inv);
-			*texCoordsp++ = LLVector2((x+1)*size_inv, (y+1)*size_inv);
-			*texCoordsp++ = LLVector2((x+1)*size_inv, y*size_inv);
+			*texCoordsp++ = LLVector2(x*size_inv_x, (y+1)*size_inv_y);
+			*texCoordsp++ = LLVector2(x*size_inv_x, y*size_inv_y);
+			*texCoordsp++ = LLVector2((x+1)*size_inv_x, (y+1)*size_inv_y);
+			*texCoordsp++ = LLVector2((x+1)*size_inv_x, y*size_inv_y);
 			
 			*normalsp++   = normal;
 			*normalsp++   = normal;