FGFS-4.1/OpenSceneGraph
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Added vertex program hack to get round apparent NVidia bug when handling

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vertex texture read.
This commit is contained in:
Robert Osfield
2006-07-05 13:18:00 +00:00
parent d91ebd42c3
commit b871ae5cf7
1 changed files with 2 additions and 1 deletions
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examples/osgshaderterrain/osgshaderterrain.cpp
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@@ -579,7 +579,8 @@ osg::Node* ForestTechniqueManager::createScene(unsigned int /*numTreesToCreates*
" vec4 position;\n"
" position.x = gl_Vertex.x;\n"
" position.y = gl_Vertex.y;\n"
" position.z = texture2D(terrainTexture, texcoord).r;\n"
" float zscale = 0.99;\n"
" position.z = texture2D(terrainTexture, texcoord).r * zscale;\n"
" \n"
" gl_Position = gl_ModelViewProjectionMatrix * position;\n"
" gl_FrontColor = vec4(1.0,1.0,1.0,1.0);\n"