Hi,
I am trying to find ways to optimize my scene by removing duplicate StateSets
using the Optimizer.
Unfortunately even though I could see inside the osg files (using an editor)
duplicate StateSets nothing was shared.
As an example the osg file below although consisting of 2 identical statesets,
running the optimizer nothing is shared.
You can simply see that that by just running the osgviewer with this file using
the environment variables
OSG_NOTIFY_LEVEL = INFO
OSG_OPTIMIZER = SHARE_DUPLICATE_STATE
osgviewer runs the optimizer by default. It prints out that 2 StateSet were
found but none shared!
It also spits out the stats before/after the optimization.
Why ist that?
Thanks
Dimi
MatrixTransform {
DataVariance STATIC
name "TestCube2.xsi"
nodeMask 0xffffffff
cullingActive TRUE
referenceFrame RELATIVE
Matrix {
1 0 0 0
0 -4.37114e-08 1 0
0 -1 -4.37114e-08 0
0 0 0 1
}
num_children 1
MatrixTransform {
name "MDL-cube"
nodeMask 0xffffffff
cullingActive TRUE
referenceFrame RELATIVE
Matrix {
1 0 0 0
0 1 0 0
0 0 1 0
0 0 0 1
}
num_children 1
Geode {
DataVariance STATIC
name "MSH-cube"
nodeMask 0xffffffff
cullingActive TRUE
num_drawables 2
Geometry {
DataVariance STATIC
StateSet {
DataVariance STATIC
rendering_hint DEFAULT_BIN
renderBinMode INHERIT
GL_CULL_FACE ON
GL_LIGHTING ON
GL_BLEND OFF
Material {
ColorMode OFF
ambientColor FRONT 0.5 0.5 0.5 1
ambientColor BACK 0.2 0.2 0.2 1
diffuseColor FRONT 1 1 1 1
diffuseColor BACK 0.8 0.8 0.8 1
specularColor FRONT 0 0 0 1
specularColor BACK 0 0 0 1
emissionColor FRONT 0 0 0 1
emissionColor BACK 0 0 0 1
shininess FRONT 0
shininess BACK 0
}
CullFace {
mode BACK
}
textureUnit 0 {
GL_TEXTURE_2D ON
Texture2D {
name "Priene-Stadio_Ground.rgb"
file "Priene-Stadio_Ground.rgb"
wrap_s REPEAT
wrap_t REPEAT
wrap_r CLAMP
min_filter LINEAR_MIPMAP_LINEAR
mag_filter LINEAR
maxAnisotropy 1
borderColor 0 0 0 0
borderWidth 0
useHardwareMipMapGeneration TRUE
unRefImageDataAfterApply TRUE
internalFormatMode USE_IMAGE_DATA_FORMAT
resizeNonPowerOfTwo TRUE
}
}
}
useDisplayList TRUE
useVertexBufferObjects FALSE
PrimitiveSets 3
{
DrawElementsUShort TRIANGLE_STRIP 4
{
1 2 0 3
}
DrawElementsUShort TRIANGLE_STRIP 4
{
7 4 6 5
}
DrawElementsUShort TRIANGLE_STRIP 4
{
9 10 8 11
}
}
VertexArray Vec3Array 12
{
-4 -4 -4
-4 4 -4
4 4 -4
4 -4 -4
-4 -4 -4
4 -4 -4
4 -4 4
-4 -4 4
-4 -4 4
4 -4 4
4 4 4
-4 4 4
}
NormalBinding PER_VERTEX
NormalArray Vec3Array 12
{
0 -0 -1
0 -0 -1
0 -0 -1
0 -0 -1
-0 -1 0
-0 -1 0
-0 -1 0
-0 -1 0
0 0 1
0 0 1
0 0 1
0 0 1
}
TexCoordArray 0 Vec2Array 12
{
0 0
0 1
1 1
1 0
0 0
1 0
1 0
0 0
0 0
1 0
1 1
0 1
}
}
Geometry {
DataVariance STATIC
StateSet {
DataVariance STATIC
rendering_hint DEFAULT_BIN
renderBinMode INHERIT
GL_CULL_FACE ON
GL_LIGHTING ON
GL_BLEND OFF
Material {
ColorMode OFF
ambientColor FRONT 0.5 0.5 0.5 1
ambientColor BACK 0.2 0.2 0.2 1
diffuseColor FRONT 1 1 1 1
diffuseColor BACK 0.8 0.8 0.8 1
specularColor FRONT 0 0 0 1
specularColor BACK 0 0 0 1
emissionColor FRONT 0 0 0 1
emissionColor BACK 0 0 0 1
shininess FRONT 0
shininess BACK 0
}
CullFace {
mode BACK
}
textureUnit 0 {
GL_TEXTURE_2D ON
Texture2D {
name "Priene-Stadio_Ground.rgb"
file "Priene-Stadio_Ground.rgb"
wrap_s REPEAT
wrap_t REPEAT
wrap_r CLAMP
min_filter LINEAR_MIPMAP_LINEAR
mag_filter LINEAR
maxAnisotropy 1
borderColor 0 0 0 0
borderWidth 0
useHardwareMipMapGeneration TRUE
unRefImageDataAfterApply TRUE
internalFormatMode USE_IMAGE_DATA_FORMAT
resizeNonPowerOfTwo TRUE
}
}
}
useDisplayList TRUE
useVertexBufferObjects FALSE
PrimitiveSets 3
{
DrawElementsUShort TRIANGLE_STRIP 4
{
1 2 0 3
}
DrawElementsUShort TRIANGLE_STRIP 4
{
7 4 6 5
}
DrawElementsUShort TRIANGLE_STRIP 4
{
9 10 8 11
}
}
VertexArray Vec3Array 12
{
-4 -4 -4
-4 -4 4
-4 4 4
-4 4 -4
4 -4 -4
4 4 -4
4 4 4
4 -4 4
-4 4 -4
-4 4 4
4 4 4
4 4 -4
}
NormalBinding PER_VERTEX
NormalArray Vec3Array 12
{
-1 0 -0
-1 0 -0
-1 0 -0
-1 0 -0
1 0 0
1 0 0
1 0 0
1 0 0
0 1 0
0 1 0
0 1 0
0 1 0
}
TexCoordArray 0 Vec2Array 12
{
1 0
0 0
0 1
1 1
1 0
1 1
0 1
0 0
1 1
0 1
0 1
1 1
}
}
}
}
}
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