Re: [PATCH] wined3d: Use GL_APPLE_rgb_422 for UYVY and YUY2 surfaces.

[Henri Verbeet]

On Tue, 14 Apr 2020 at 08:18, Chip Davis  wrote:
> @@ -12499,6 +12499,16 @@ static void gen_packed_yuv_read(struct wined3d_string_buffer *buffer,
>  tex = needs_legacy_glsl_syntax(gl_info) ? tex_type : "";
>
> - if (gl_info->supported[APPLE_RGB_422])
> - {
> -
>    /* In this case, things are much simpler. The only thing we have to do here
> -
>     * is YUV-RGB conversion. */
> -
>    shader_addline(buffer, "    vec3 yuv = vec3(texture%s(sampler, out_texcoord.xy));\n", tex);
> -
>    shader_addline(buffer, "    luminance = yuv.y;\n");
> -
>    shader_addline(buffer, "    chroma = yuv.xz;\n");
> -
>    return;
> - }

It seems arbitrary to reuse COMPLEX_FIXUP_UYVY/COMPLEX_FIXUP_YUY2 for this.