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https://github.com/italicsjenga/slang-shaders.git
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57 lines
2.3 KiB
Plaintext
57 lines
2.3 KiB
Plaintext
/*
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A shader that specifically tries to emulate arcade monitor's with an shadow mask screen but with full brightness.
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The novel thing about this shader is that it transforms the image output by the 'console/arcade/computer' into HDR space first i.e brightens it first and then applies
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an shadow mask afterwards which is kind of what a CRT would actually do - its kind of a kin to the electron beam (but nothing like it lol).
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My DisplayHDR 600 monitor does seem to get reasonably close to the brightness of my PVM - its not quite there but its close. I think DisplayHDR 1000 and above will be able to match.
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Currently defaults towards a Sammy Atomiswave.
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To use:
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Please Enable HDR in RetroArch 1.10+
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NOTE: when this shader is envoked the Contrast, Peak Luminance and Paper White Luminance in the HDR menu do nothing instead set those values through the shader parameters
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For this shader set Paper White Luminance to above 700 and Peak Luminance to the peak luminance of your monitor.
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Also try to use a integer scaling - its just better - overscaling is fine/great.
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This shader doesn't do any geometry warping or bouncing of light around inside the screen - I think these effects just add unwanted noise, I know people disagree. Please feel free to make you own and add them
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Works only with the D3D11/D3D12/Vulkan drivers currently
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THIS SHADER DOES NOT SUPPORT WRGB OLED (Due to the sub pixel layout of WRGB - QD-OLED or LCD (and variants thereof screens are fine)
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*/
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shaders = "1"
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feedback_pass = "0"
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shader0 = "shaders/crt-hdr.slang"
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filter_linear0 = "false"
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wrap_mode0 = "clamp_to_border"
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mipmap_input0 = "false"
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alias0 = ""
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float_framebuffer0 = "false"
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srgb_framebuffer0 = "false"
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hcrt_crt_screen_type = "2.000000"
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hcrt_paper_white_nits = "600.000000"
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hcrt_contrast = "0.000000"
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hcrt_expand_gamut = "1.000000"
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hcrt_red_scanline_min = "0.8900000"
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hcrt_red_scanline_max = "1.000000"
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hcrt_red_scanline_attack = "0.300000"
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hcrt_green_scanline_min = "0.600000"
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hcrt_green_scanline_max = "0.800000"
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hcrt_green_scanline_attack = "0.300000"
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hcrt_blue_scanline_min = "0.600000"
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hcrt_blue_scanline_max = "0.800000"
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hcrt_blue_scanline_attack = "0.300000"
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hcrt_red_beam_sharpness = "1.300000"
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hcrt_red_beam_attack = "1.000000"
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hcrt_green_beam_sharpness = "1.300000"
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hcrt_green_beam_attack = "1.000000"
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hcrt_blue_beam_sharpness = "1.300000"
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hcrt_blue_beam_attack = "1.000000"
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