It's needed to support the new material attributes supported by glTF.
The test output is slightly different as the normal coming from
the texture wasn't normalized before.
Except MeshVisualizer and VertexColor, which don't have any texturing,
so there it's not needed. In most cases the tests are reusing existing
ground truth files and only modifying transformations / flipping images.
As usual, the old APIs are still present, but marked as deprecated.
Existing code is not updated yet to ensure I didn't break anything with
this.
This way it's much more intuitive and makes the code shorter and nicer
in many cases. Shaders are now also able to hide irrelevant
draw/dispatch APIs to avoid accidents.
Should make new things more discoverable, avoid confusion when a
documented API isn't there and reduce the need for maintaining multiple
separate versions of the docs.
Note -- since there are no visual tests for Phong yet, this is done in
the least intrusive manner to avoid breaking current functionality. It's
likely very underperforming due to the matric calculation per fragment,
it'll get optimized once I have proper tests.
Slow and ugly, is here only for making quick'n'dirty alpha masked
drawing without a need for blending or depth sorting. Oh and also to
support the glTF alpha mask feature. Again, beware: *slow*.
I introduced *strong* enum with values, in a subnamespace, that have the
same name as completely unrelated typedefs. Guess what?! It breaks ALL
LINKS TO THOSE TYPEDEFS! **EVERYWHERE!!!**
Two reasons:
* documentation
* making it actually work because the rules are so complex and ever
changing that a thing I thought "just worked" in fact did not work at
all
The Vector tests now compile again.
This better reflects that the functions modify a global state instead of
a shader-local state and so rebinding may be necessary (unlike with
uniforms, which get preserved).
The old set*() functions are now inline aliases to the bind*()
functions, are marked as deprecated and will be removed in some future
release.