MAMEWorld Forums - EmuChat - Re: HLSL Scanline

> I'm noticing scanline_alpha zooms the image. Is it supposed to have this effect? I
> thought it was setting the strength of the scanlines. Maybe it's just a combination
> of some other HLSL settings but just changing scanline alpha from 0.00 0.01 zooms the
> image to the point where text on the top, left and bottom gets cropped off. See
> comparison below.
>
>
> hlsl_enable 1
> hlslpath hlsl
> hlsl_oversampling 0
> hlsl_write auto
> hlsl_snap_width 2048
> hlsl_snap_height 1536
> shadow_mask_tile_mode 0
> shadow_mask_alpha 0.0
> shadow_mask_texture shadow-mask.png
> shadow_mask_x_count 12
> shadow_mask_y_count 6
> shadow_mask_usize 0.5
> shadow_mask_vsize 0.5
> shadow_mask_uoffset 0.0
> shadow_mask_voffset 0.0
> distortion 0.0
> cubic_distortion 0.20
> distort_corner 0.20
> round_corner 0.10
> smooth_border 0.01
> reflection 0.0
> vignetting 0.0
> scanline_alpha 0.00
> scanline_size 1.0
> scanline_height 1.0
> scanline_variation 1.0
> scanline_bright_scale 2.0
> scanline_bright_offset 0.0
> scanline_jitter 0.0
> hum_bar_alpha 0.0
> defocus 0.75,0.0
> converge_x 0.0,0.0,0.0
> converge_y 0.0,0.0,0.0
> radial_converge_x 0.0,0.0,0.0
> radial_converge_y 0.0,0.0,0.0
> red_ratio 1.05,0.0,0.10
> grn_ratio -0.10,1.00,0.25
> blu_ratio -0.25,0.25,1.25
> saturation 1.25
> offset -0.30,-0.20,-0.05
> scale 1.15,1.05,0.90
> power 0.90,0.90,1.15
> floor 0.025,0.025,0.025
> phosphor_life 0.25,0.25,0.25
> chroma_mode 3
> chroma_conversion_gain 0.299,0.587,0.114
> chroma_a 0.630,0.340
> chroma_b 0.310,0.595
> chroma_c 0.155,0.070
> chroma_y_gain 0.2124,0.7011,0.0866

What driver is this?

Something weird is going on here with the way the textures are getting mapped. With the setting at 0, the scanline shader is bypassed completely. Have you seen this with any other drivers?