slang-shaders/crt/shaders/yeetron.slang
Matheus Silagi 914543309f
CRt-Yee64 and yeetron now uses RSDK Decompilation code (#283)
* CRt-Yee64 and yeetron now uses RSDK Decompilation code

Which means its now humanly readable!

Hooray for reverse engineer!

* I think i got those mixed up so, here
2022-08-25 07:59:11 -05:00

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#version 450
// ported from ReShade
layout(push_constant) uniform Push
{
float viewSizeHD;
float intensityR;
float intensityG;
float intensityB;
vec4 SourceSize;
vec4 OriginalSize;
vec4 OutputSize;
uint FrameCount;
} params;
#pragma parameter viewSizeHD "Min Dimming Res" 720.0 0.0 2190.0 1.0
int viewSizeHD = int(params.viewSizeHD);
#pragma parameter intensityR "Red Dimming Intensity" 1.2 0.0 2.0 0.1
#pragma parameter intensityG "Green Dimming Intensity" 0.9 0.0 2.0 0.1
#pragma parameter intensityB "Blue Dimming Intensity" 0.9 0.0 2.0 0.1
layout(std140, set = 0, binding = 0) uniform UBO
{
mat4 MVP;
vec4 FinalViewportSize;
} global;
#pragma stage vertex
layout(location = 0) in vec4 Position;
layout(location = 1) in vec2 TexCoord;
layout(location = 0) out vec2 vTexCoord;
void main()
{
gl_Position = global.MVP * Position;
vTexCoord = TexCoord;
}
#pragma stage fragment
layout(location = 0) in vec2 vTexCoord;
layout(location = 0) out vec4 FragColor;
layout(set = 0, binding = 2) uniform sampler2D Source;
void main()
{
float RSDK_PI = 3.14159;
vec2 textureSize = params.SourceSize.xy; // Size of Internal Framebuffer
vec2 viewSize = global.FinalViewportSize.xy; // Size of final Viewport
vec2 pixelSize = params.OriginalSize.xy; // Size of Game resolution;
vec2 viewPos = floor((textureSize.xy / pixelSize.xy) * vTexCoord.xy * viewSize.xy) + 0.5;
float intencityPos = fract((viewPos.y * 3.0 + viewPos.x) * 0.166667);
vec3 intencity = vec3(params.intensityR, params.intensityG, params.intensityB);
vec4 scanlineIntencity = vec4(0.0,0.0,0.0,0.0);
if (intencityPos < 0.333)
scanlineIntencity.rgb = intencity.xyz;
else if (intencityPos < 0.666)
scanlineIntencity.rgb = intencity.zxy;
else
scanlineIntencity.rgb = intencity.yzx;
vec2 pixelPos = vTexCoord.xy * textureSize.xy;
vec2 roundedPixelPos = floor(pixelPos.xy);
scanlineIntencity.a = clamp(abs(sin(pixelPos.y * RSDK_PI)) + 0.25, 0.5, 1.0);
pixelPos.xy = fract(pixelPos.xy) + -0.5;
vec2 invTexPos = -vTexCoord.xy * textureSize.xy + (roundedPixelPos + 0.5);
vec2 newTexPos = vec2(0.0,0.0);
newTexPos.x = clamp(-abs(invTexPos.x * 0.5) + 1.5, 0.8, 1.25);
newTexPos.y = clamp(-abs(invTexPos.y * 2.0) + 1.25, 0.5, 1.0);
vec2 colorMod;
colorMod.x = newTexPos.x * newTexPos.y;
colorMod.y = newTexPos.x * ((scanlineIntencity.a + newTexPos.y) * 0.5);
scanlineIntencity.w *= newTexPos.x;
vec2 texPos = ((pixelPos.xy + -clamp(pixelPos.xy, -0.25, 0.25)) * 2.0 + roundedPixelPos + 0.5) / textureSize.xy;
vec4 texColor = texture(Source, texPos.xy);
vec3 blendedColor = vec3(0.0,0.0,0.0);
blendedColor.x = scanlineIntencity.a * texColor.x;
blendedColor.yz = colorMod.xy * texColor.yz;
vec4 outColor;
outColor.xyz = viewSize.y >= params.viewSizeHD ? (scanlineIntencity.rgb * blendedColor.rgb) : blendedColor.xyz;
outColor.w = texColor.w;
FragColor = outColor.xyzw;
}