[2/2] wined3d: Take abs() of vertex z coordinate as FFP fog coordinate (try 3)

[Stefan Dösinger]

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Am 2014-11-03 19:55, schrieb Joachim Priesner:
> +    static const DWORD vertex_shader_code1[] =
> +    {
> +        0xfffe0100,                                                             /* vs_1_0             */
> +        /* output.Pos = mul(Projection, input.Pos) */
> +        0x00000005, 0x800f0000, 0x90000000, 0xa0e40000,                         /* mul r0, v0.x, c0   */
> +        0x00000005, 0x800f0001, 0x90550000, 0xa0e40001,                         /* mul r1, v0.y, c1   */
> +        0x00000002, 0x800f0000, 0x80e40000, 0x80e40001,                         /* add r0, r0, r1     */
> +        0x00000005, 0x800f0001, 0x90aa0000, 0xa0e40002,                         /* mul r1, v0.z, c2   */
> +        0x00000002, 0x800f0000, 0x80e40000, 0x80e40001,                         /* add r0, r0, r1     */
> +        0x00000005, 0x800f0001, 0x90ff0000, 0xa0e40003,                         /* mul r1, v0.w, c3   */
> +        0x00000002, 0xc00f0000, 0x80e40000, 0x80e40001,                         /* add oPos, r0, r1   */
> +        /* output.Color = input.Color */
> +        0x00000001, 0xd00f0000, 0x90e40001,                                     /* mov oD0, v1        */
> +        0x0000ffff,                                                             /* END                */
> +    };
I asked Henri about the status of this patch on IRC today, and he reiterated that he wants the matrix multiplication removed from the shader and replaced with z = z * 0.5 + 0.5.

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