Re: [WINED3D 2] Allow mix of SW vertex and GLSL pixel shader.

[H. Verbeet]

On 04/07/06, Ivan Gyurdiev <ivg231(a)gmail.com> wrote:
> Do not attach non-GLSL shaders to the GLSL program, that will cause a
> crash. Mix with ARB shaders is never going to happen, because the
> selection code will always choose GLSL for both or ARB for both.
> As mentioned on IRC, I'm not sure using a software vertex shader with
> a hardware pixel shader is particularly usefull.

[WINED3D 2] Allow mix of SW vertex and GLSL pixel shader.

[Ivan Gyurdiev]

H. Verbeet wrote:
> On 04/07/06, Ivan Gyurdiev <ivg231(a)gmail.com> wrote:
> > Do not attach non-GLSL shaders to the GLSL program, that will cause a
> > crash. Mix with ARB shaders is never going to happen, because the
> > selection code will always choose GLSL for both or ARB for both.
> > As mentioned on IRC, I'm not sure using a software vertex shader with
> > a hardware pixel shader is particularly usefull.
> > Well, this might be true, but that's no reason to disallow it - it's 
> > still a little useful...  and we need to test vertex shaders first, 
> > before we get to pixel shaders.
> > Implementing software pixel shaders is significantly more difficult 
> > (because it requires rasterizer, and the speed issue is much more 
> > important).

[WINED3D 2] Allow mix of SW vertex and GLSL pixel shader.

[H. Verbeet]

On 04/07/06, Ivan Gyurdiev <ivg231(a)gmail.com> wrote:
> Well, this might be true, but that's no reason to disallow it
> Sure, but adding complexity could be.