Re: [PATCH 3/5] wined3d: Handle point sprites with PS 3.0.

[Henri Verbeet]

On 2 June 2015 at 16:39, Matteo Bruni  wrote:
> -
>        else if (args->pointsprite && shader_match_semantic(semantic_name, WINED3D_DECL_USAGE_TEXCOORD))
> -
>            shader_addline(buffer, "ps_in[%u].xy = vec2(gl_PointCoord.x, gl_PointCoord.y);\n", input->register_idx);

Why not "ps_in[%u].xy = gl_PointCoord.xy;\n"? Also, do the z and w
components have a defined value?