kc3-lang/SDL

2018-01-03T00:43:01

metal: Misc. improvements. - Use a single buffer for various non-changing constants accessed by the GPU, instead of multiple buffers. - Do the half-pixel offset for points and lines using a transform matrix so we don't need a malloc when rendering. - Don't add a half-pixel offset for other primitives and textures. This matches D3D and GL render behaviour. - Remove the half-texel texture coordinate offset since it's not needed now that there's no more half-pixel position offset when rendering a texture. - Don't try to set texture usage on iOS 8 since it doesn't exist there.