Re: [5/7] wined3d: Fix glsl texbem instruction for projective textures

[H. Verbeet]

On 22/03/07, Fabian Bieler <der.fabe(a)gmx.net> wrote:
> +        shader_addline(arg->buffer, "T%u%s /= T%u%s;\n", sampler_idx, coord_mask, sampler_idx, coord_div_mask);

Are you sure that's correct? This will modify the coordinates for
later instructions as well.

[5/7] wined3d: Fix glsl texbem instruction for projective textures

[Fabian Bieler]

On Thursday 22 March 2007 20:34, H. Verbeet wrote:
> On 22/03/07, Fabian Bieler <der.fabe(a)gmx.net> wrote:
> > +        shader_addline(arg->buffer, "T%u%s /= T%u%s;\n", sampler_idx,
> > coord_mask, sampler_idx, coord_div_mask);
>
> Are you sure that's correct? This will modify the coordinates for
> later instructions as well.
> The texbem instruction can only be used in pixel shaders up to version 1.3, so 
> the data in the used texture coordinate register is overwritten with the 
> texture color data anyhow.

[5/7] wined3d: Fix glsl texbem instruction for projective textures

[H. Verbeet]

On 22/03/07, Fabian Bieler <der.fabe(a)gmx.net> wrote:
> > Are you sure that's correct? This will modify the coordinates for
> > later instructions as well.
> > The texbem instruction can only be used in pixel shaders up to version 1.3, so
> > the data in the used texture coordinate register is overwritten with the
> > texture color data anyhow.

Ah, right.