From bc77baeb02eab341fc6d8dfe6a87e8ffe5f6d59e Mon Sep 17 00:00:00 2001
From: Erik Broberg <Erik Broberg>
Date: Tue, 5 Jul 2016 13:35:14 -0400
Subject: [PATCH] Use texture tile padding

---
 modules/globebrowsing/shaders/tile.hglsl   | 2 +-
 modules/globebrowsing/tile/tiledataset.cpp | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/modules/globebrowsing/shaders/tile.hglsl b/modules/globebrowsing/shaders/tile.hglsl
index 6cd5403387..e58f93a169 100644
--- a/modules/globebrowsing/shaders/tile.hglsl
+++ b/modules/globebrowsing/shaders/tile.hglsl
@@ -83,7 +83,7 @@ vec2 compensateSourceTextureSampling(vec2 startOffset, vec2 sizeDiff, const Tile
 
 vec2 TileUVToTextureSamplePosition(const Tile tile, vec2 tileUV){
 	vec2 uv = tile.uvTransform.uvOffset + tile.uvTransform.uvScale * tileUV;
-	uv = compensateSourceTextureSampling(vec2(0), vec2(0), tile, uv);
+	uv = compensateSourceTextureSampling(vec2(-2), vec2(4), tile, uv);
 	return uv;
 }
 
diff --git a/modules/globebrowsing/tile/tiledataset.cpp b/modules/globebrowsing/tile/tiledataset.cpp
index 6039292e67..239f2601f3 100644
--- a/modules/globebrowsing/tile/tiledataset.cpp
+++ b/modules/globebrowsing/tile/tiledataset.cpp
@@ -83,8 +83,8 @@ namespace openspace {
     //                               Tile Dataset                                   //
     //////////////////////////////////////////////////////////////////////////////////
 
-    const glm::ivec2 TileDataset::tilePixelStartOffset = glm::ivec2(0);
-    const glm::ivec2 TileDataset::tilePixelSizeDifference = glm::ivec2(0);
+    const glm::ivec2 TileDataset::tilePixelStartOffset = glm::ivec2(-2);
+    const glm::ivec2 TileDataset::tilePixelSizeDifference = glm::ivec2(4);
 
     const PixelRegion TileDataset::padding = PixelRegion(tilePixelStartOffset, tilePixelSizeDifference);