Re: [PATCH 0/2] MR588: vkd3d-shader: Introduce VKD3D_SHADER_COMPILE_OPTION_FEATURE_FLOAT64.

[Henri Verbeet (＠hverbeet)]

> -        vkd3d_spirv_enable_capability(&compiler->spirv_builder, SpvCapabilityFloat64);
> +        if (compiler->features & VKD3D_SHADER_COMPILE_OPTION_FEATURE_FLOAT64)
> +        {
> +            vkd3d_spirv_enable_capability(&compiler->spirv_builder, SpvCapabilityFloat64);
> +        }
> +        else
> +        {
> +            WARN("Unsupported 64-bit float ops.\n");
> +            spirv_compiler_error(compiler, VKD3D_SHADER_ERROR_SPV_UNSUPPORTED_FEATURE,
> +                    "The target environment does not support 64-bit floating point.");
> +        }

That'll break older users of the API though. We should probably set FEATURE_FLOAT64 for API_VERSION_1_10 and older in spirv_compiler_create().