Resource constructors proposal

[hekota]

Proposal for resource classes constructors.

Fixes #209

[damyanp]

So I've tried to understand this, and maybe I've been reading it too quickly, but I don't understand how any of these non-default constructors would get called?

[hekota]

So I've tried to understand this, and maybe I've been reading it too quickly, but I don't understand how any of these non-default constructors would get called?

Right, I did not mention that. Only the default constructor call gets generated automatically by Clang. The others will be set up by Sema after processing the resource binding attribute, or a lack of it. Basically it will be changing:

RWBuffer<float> A : register(u3)
into
RWBuffer<float> A(Binding(0,3,1,0));

[damyanp]

Ah, thanks, that helps!

The others will be set up by Sema after processing the resource binding attribute, or a lack of it.

What will Sema use to identify things that need to be fixed up in this way?

[hekota]

What will Sema use to identify things that need to be fixed up in this way?

Sema detects whether a global variable is resource class by checking if the first field of the declaration is a resource handle.

[bob80905]

Looks good to my untrained eye