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Enable VBO sharing for terrain geometry

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This commit is contained in:
scrawl 2015-06-03 02:24:09 +02:00
parent 5666e02546
commit b978153edb
2 changed files with 11 additions and 0 deletions
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6
components/terrain/buffercache.cpp
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@ -218,6 +218,9 @@ namespace Terrain
} }
} }
// Assign a VBO here to enable state sharing between different Geometries.
uvs->setVertexBufferObject(new osg::VertexBufferObject);
mUvBufferMap[mNumVerts] = uvs; mUvBufferMap[mNumVerts] = uvs;
return uvs; return uvs;
} }
@ -238,6 +241,9 @@ namespace Terrain
else else
buffer = createIndexBuffer<osg::DrawElementsUInt>(flags, verts); buffer = createIndexBuffer<osg::DrawElementsUInt>(flags, verts);
// Assign a EBO here to enable state sharing between different Geometries.
buffer->setElementBufferObject(new osg::ElementBufferObject);
mIndexBufferMap[flags] = buffer; mIndexBufferMap[flags] = buffer;
return buffer; return buffer;
} }

5
components/terrain/terraingrid.cpp
View File

@ -104,6 +104,11 @@ void TerrainGrid::loadCell(int x, int y)
osg::ref_ptr<osg::Vec3Array> normals (new osg::Vec3Array); osg::ref_ptr<osg::Vec3Array> normals (new osg::Vec3Array);
osg::ref_ptr<osg::Vec4Array> colors (new osg::Vec4Array); osg::ref_ptr<osg::Vec4Array> colors (new osg::Vec4Array);
osg::ref_ptr<osg::VertexBufferObject> vbo (new osg::VertexBufferObject);
positions->setVertexBufferObject(vbo);
normals->setVertexBufferObject(vbo);
colors->setVertexBufferObject(vbo);
mStorage->fillVertexBuffers(0, 1, center, positions, normals, colors); mStorage->fillVertexBuffers(0, 1, center, positions, normals, colors);
osg::ref_ptr<osg::Geometry> geometry (new osg::Geometry); osg::ref_ptr<osg::Geometry> geometry (new osg::Geometry);