Refactor: Reworked GL texture manager interface for preparing de::Textures
The older mechanism emphasized image loading over logical texture variant creation, resulting in a somewhat awkward interface.
When preparing from a general case de::Texture plus a variant spec, the existing variant selection mechanic can now be implemented as a function of this process (users of the interface therefore need not implement it themselves if the automatic logic is suitable).
Todo: Make optional GL_PrepareTexture()'s creation of a new variant.
Added by danij over 11 years ago
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Refactor: Reworked GL texture manager interface for preparing de::Textures
The older mechanism emphasized image loading over logical texture
variant creation, resulting in a somewhat awkward interface.
When preparing from a general case de::Texture plus a variant spec,
the existing variant selection mechanic can now be implemented as a
function of this process (users of the interface therefore need not
implement it themselves if the automatic logic is suitable).
Todo: Make optional GL_PrepareTexture()'s creation of a new variant.