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Rename IMeshLoader::setPreferredIndexType to setIndexTypeHint and give it a new enum.

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Giving the loader it's own enum allowed me to add more options. 
EITH_OPTIMAL which reduces buffers back to 16-bit if they don't need 32-bit.
Using that in obj loader.
Also 32-bit meshes with EMT_PARALLAX_MAP_SOLID material should now work in obj loader (untested as I got no test-case)


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6340 dfc29bdd-3216-0410-991c-e03cc46cb475
This commit is contained in:
cutealien
2022-04-19 13:10:16 +00:00
parent d484711f2e
commit 24f2a1e9ab
4 changed files with 37 additions and 19 deletions
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28
include/IMeshLoader.h
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@ -30,7 +30,7 @@ class IMeshLoader : public virtual IReferenceCounted
public:
//! Constructor
IMeshLoader() : TextureLoader(0), PreferredIndexType(video::EIT_16BIT) {}
IMeshLoader() : TextureLoader(0), IndexTypeHint(EITH_16BIT) {}
//! Destructor
virtual ~IMeshLoader()
@ -79,6 +79,20 @@ public:
return TextureLoader;
}
enum E_INDEX_TYPE_HINT
{
//! Prefer to use 16-bit index buffers even if it breaks the mesh
EITH_16BIT,
//! Allow using 32-bit index buffers
EITH_32BIT,
//! Allow 32-bit, but copy back to 16-bit when 32 is not needed.
//! So tiny overhead on loading, but meshes are later more optimal
EITH_OPTIMAL
};
//! Give loader a hint if you would prefer 16 or 32 bit meshbuffers.
/**
Generally Irrlicht works with 16-bit meshbuffers so far.
@ -87,22 +101,22 @@ public:
NOTE: Most loaders will ignore this hint so far, but hopefully
will care about it in the future.
*/
void setPreferredIndexType(irr::video::E_INDEX_TYPE typeHint)
void setIndexTypeHint(E_INDEX_TYPE_HINT typeHint)
{
PreferredIndexType = typeHint;
IndexTypeHint = typeHint;
}
//! Return current preference user has for the index-size of meshbuffers
//! Return current preference user has for the index type of meshbuffers
/** Note that this is _not_ necessarily the type used by the meshloader */
irr::video::E_INDEX_TYPE getPreferredIndexType() const
E_INDEX_TYPE_HINT getIndexTypeHint() const
{
return PreferredIndexType;
return IndexTypeHint;
}
protected:
IMeshTextureLoader* TextureLoader;
irr::video::E_INDEX_TYPE PreferredIndexType;
E_INDEX_TYPE_HINT IndexTypeHint;
};