MAMEWorld Forums - EmuChat - Re: MAME HLSL

> Hi all,
>
> I recently moved from Windows to Linux. When trying to apply my MAME HLSL config on
> the Linux version, I am getting very different results.
>
> Some of the shader parameters "Slider Controls" appear to have different value scales
> and ranges than in Windows.
>
> For example, any of the "radial_convergence" values have a greatly amplified impact
> on the video. Modifying even by the smallest 0.1 value increment, which in Windows
> would be almost visually inperceptable (ie. offset the effect by a single pixel)
> instead has the following effect in Linux where the impact on the video is massive:
>
> radial_convergence_x incremeneted by + 0.1:
>
>
> Another video parameter, "Signal Offset" allows setting a negative value in Windows
> MAME, but on Linux the minimal value is zero and so I cannot apply the required
> negative value that I use in the config to attain the desired HLSL effect.
>
> I guess there is probably some way to modify the math/values in the shader files or
> something but I didnt know where to start and wondering if anyone else has
> experiencing this issue?
>
> I have tweaked my HLSL settings for years and have it perfected to my preferences and
> really eager to replicate it on Linux so if anyone had any suggestions I would
> greatly apprecaite it.
>
> Out of interest, my final base (Windows) HLSL parameters are as follows and many
> thanks must go to the folks over at this mammoth forum post as I used a lot of the
> tweaks there as my starting point:
>
> https://shmups.system11.org/viewtopic.php?f=6&t=45026&start=150
>
> #
> # DIRECT3D POST-PROCESSING OPTIONS
> #
> hlslpath hlsl
> hlsl_enable 1
> hlsl_oversampling 0
> hlsl_write
> hlsl_snap_width 2048
> hlsl_snap_height 1536
> shadow_mask_tile_mode 0
> shadow_mask_alpha 0.30
> shadow_mask_texture slot-mask.png
> shadow_mask_x_count 16
> shadow_mask_y_count 24
> shadow_mask_usize 1
> shadow_mask_vsize 1
> shadow_mask_uoffset 0.0
> shadow_mask_voffset 0.0
> distortion 0.1
> cubic_distortion 0.0
> distort_corner 0.0
> round_corner 0.05
> smooth_border 0.04
> reflection 0.2
> vignetting 0.1
> scanline_alpha 0.5
> scanline_size 1.0
> scanline_height 1.0
> scanline_variation 1.0
> scanline_bright_scale 1.0
> scanline_bright_offset 1.0
> scanline_jitter 0.05
> hum_bar_alpha 0.0
> defocus 0.0,0.0
> converge_x 0.0,0.0,0.0
> converge_y 0.0,0.0,0.0
> radial_converge_x 2.0,-1.0,0.0
> radial_converge_y 2.0,0.0,1.0
> red_ratio 1.0,0.0,0.0
> grn_ratio 0.0,1.0,0.0
> blu_ratio 0.0,0.0,1.0
> saturation 1.0
> offset -0.34,-0.34,-0.34
> scanline_bright_scale 1.34,1.34,1.34
> power 0.9,0.8,0.65
> floor 0.0,0.0,0.0
> phosphor_life 0.0,0.0,0.0
> chroma_mode 3
> chroma_conversion_gain 0.299,0.587,0.114
> chroma_a 0.64,0.33
> chroma_b 0.30,0.60
> chroma_c 0.15,0.06
> chroma_y_gain 0.2126,0.7152,0.0722
>
>
> Many thanks for reading and thanks in advance.
>
> BAM

Edit the default slider values in hlsl.json directly