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Added corner dirty options to TerrainTechnique, added experimental code paths in GeometryTechnique for accounting for neighbouring corner tiles - optionally compiled out in this check-in.

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Changed the normal computation in GeometryTechnique so that it doesn't include diagonals, thus avoid normal jumps at corners.
This commit is contained in:
Robert Osfield
2010-04-09 08:52:40 +00:00
parent d992f6e018
commit fccda08491
2 changed files with 109 additions and 3 deletions
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9
include/osgTerrain/TerrainTile
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@@ -179,8 +179,13 @@ class OSGTERRAIN_EXPORT TerrainTile : public osg::Group
LEFT_EDGE_DIRTY = 1<<2,
RIGHT_EDGE_DIRTY = 1<<3,
TOP_EDGE_DIRTY = 1<<4,
BOTTOM_EDGE_DIRTY = 1<<5,
EDGES_DIRTY = LEFT_EDGE_DIRTY | RIGHT_EDGE_DIRTY | TOP_EDGE_DIRTY | BOTTOM_EDGE_DIRTY,
TOP_LEFT_CORNER_DIRTY = 1<<5,
TOP_RIGHT_CORNER_DIRTY = 1<<6,
BOTTOM_EDGE_DIRTY = 1<<7,
BOTTOM_LEFT_CORNER_DIRTY = 1<<8,
BOTTOM_RIGHT_CORNER_DIRTY = 1<<9,
EDGES_DIRTY = LEFT_EDGE_DIRTY | RIGHT_EDGE_DIRTY | TOP_EDGE_DIRTY | BOTTOM_EDGE_DIRTY |
TOP_LEFT_CORNER_DIRTY | TOP_RIGHT_CORNER_DIRTY | BOTTOM_LEFT_CORNER_DIRTY | BOTTOM_RIGHT_CORNER_DIRTY,
ALL_DIRTY = IMAGERY_DIRTY | ELEVATION_DIRTY | EDGES_DIRTY
};