[PATCH 4/4] ddraw/tests: Account for random WARP behavior in test_texturemapblend.

[Stefan Dösinger]

> Am 08.02.2022 um 16:41 schrieb Henri Verbeet <hverbeet at gmail.com>:
> 
> On Sun, 6 Feb 2022 at 18:15, Stefan Dösinger <stefan at codeweavers.com> wrote:
>> +    /* SPECULARENABLE shouldn't matter in this test, but WARP begs to
>> +     * differ. In the event that color keying is randomly on(see comments
>> +     * in test_ck_default for reference), WARP will randomly discard
>> +     * geometry based on something, even though texture anddiffuse color
>> +     * alpha components are non - zero.Setting SPECULARENABLE to FALSE
>> +     * prevents this in some cases - presumably WARP multiplies the
>> +     * specular color "alpha" channel into the final result and then
>> +     * alpha tests the result.Since the specular property normally does
>> +     * not have an alpha component the actual specular color we set in
>> +     * the vertex data above does not matter. */
>> +    emit_set_rs(&ptr, D3DRENDERSTATE_SPECULARENABLE, FALSE);
>> +
> I'm not quite sure what happened above, but that comment is full of
> white-space errors.

Ah, I typed that thing in notepad, copypasted it into Visual Studio later. Either my butterfly keyboard is going bad again or something decides to be smart about whitespace when copypasting...


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