[PATCH 1/1] wined3d: Introduce a helper function for printing floats in GLSL shaders.

Stefan Dösinger stefandoesinger at gmail.com
Tue Jun 11 02:52:00 CDT 2013

Am 11.06.2013 um 09:27 schrieb Henri Verbeet:

> We always want to use '.' as decimal separator in GLSL, instead of the locale
> specific one. Reported on IRC.
I think this should be added as a code comment above shader_glsl_ftoa, I don't think the reason why we need our own conversion function is obvious.

The ARB shader backend will need this as well, but I can take care of this. What external software triggers this behavior?

>                         case WINED3D_DATA_FLOAT:
> -                            sprintf(register_name, "%.8e", *(const float *)reg->immconst_data);
> +                            shader_glsl_ftoa(*(const float *)reg->immconst_data, register_name);
>                             break;
shader_glsl_ftoa doesn't handle inf or nan. I assume that's intentional because they would only trigger a parser error.

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