![]() ![]() In each case, the link between the calls is implicit the binding of the texture implicitly uses the active texture unit, and the property setting implicitly uses the bound texture. ![]() Then, the properties of the currently bound texture are specified. ![]() Then, the texture must be bound to the currently active texture unit. For example, to specify properties of a texture, first a texture unit must be set as active. OpenGL is a complex API that relies extensively on an implicit state that is maintained between function calls. The big feature in OpenGL 4.5 is Direct State Access (DSA). Amid growing interest in "low-level" APIs, such as AMD's Mantle and Microsoft's forthcoming Direct3D 12 specification, Khronos is working on its own vendor-neutral, cross-platform API to give developers greater low-level control and to extract more performance from 3D hardware. EnlargeThe group also issued a call for participation in its next generation OpenGL initiative.
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