wined3d: Use higher precision to convert floats into text.

[Vitaliy Margolen]

Chris Robinson wrote:
> On Monday 26 May 2008 12:37:04 pm Vitaliy Margolen wrote:
>> -            shader_addline(buffer, "PARAM srgb_mul_low = {%f, %f, %f,
>> 1.0};\n",
>> +            shader_addline(buffer, "PARAM srgb_mul_low = {%.12f, 
>> %.12f, %.12f, 1.0};\n",
> 
> I don't know if ARB shaders would except the notation (GLSL does), but 
> would %.8e or somesuch work better than %.12f at maintaining accuracy?
> 
> 
I thought they were clamped? In either case .12 should be enough precision 
to avoid problems. Or the whole local constants needs to be rolled back. 
Translating binary -> text -> binary is IMHO wrong.

Vitaliy.