On 14 May 2013 23:46, Stefan Dösinger <ste...@codeweavers.com> wrote:
> @@ -613,14 +635,7 @@ static BOOL match_apple_nonr500ati(const struct
> wined3d_gl_info *gl_info, const
> static BOOL match_dx10_capable(const struct wined3d_gl_info *gl_info, const
> char *gl_renderer,
> enum wined3d_gl_vendor gl_vendor, enum wined3d_pci_vendor
> card_vendor, enum wined3d_pci_device device)
> {
> - /* DX9 cards support 40 single float varyings in hardware, most drivers
> report 32. ATI misreports
> - * 44 varyings. So assume that if we have more than 44 varyings we have
> a dx10 card.
> - * This detection is for the gl_ClipPos varying quirk. If a d3d9 card
> really supports more than 44
> - * varyings and we subtract one in dx9 shaders its not going to hurt us
> because the dx9 limit is
> - * hardcoded
> - *
> - * dx10 cards usually have 64 varyings */
> - return gl_info->limits.glsl_varyings > 44;
> + return d3d_level_from_gl_info(gl_info) >= 10;
> }
>
I'm not sure d3d_level_from_gl_info() is quite reliable enough for
this. For example, Mesa doesn't implement EXT_gpu_shader4, and
possibly never will. Using an actual hardware limit seems more
reliable.
