I am using multiple calls to drawindexed for a single model to draw submeshes and some of the meshes have the same texture but different material stats etc.
When i call settexture is there an internal check directx does to see if i am setting the same texture again or does it benefit me to check myself?
E.g.
For(submeshes)
{
Settexture()
Otherstuff()
Draw()
}
Compared to
For(submeshes)
{
If(!textureissame) settexture()
Otherstuff()
Draw()
}
Calling directx10 effect->settexture redundantly
When i call settexture is there an internal check directx does to see if i am setting the same texture again or does it benefit me to check myself?
If you create a debug device, it should perform this internal check, but only so it can print a warning that you're making redundant calls.
So, yep, you should filter out redundant calls yourself 
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