92 lines
3.6 KiB
QML
92 lines
3.6 KiB
QML
import QtQuick 2.0
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QtObject {
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property string rasterizationShader:
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(appSettings.rasterization === appSettings.no_rasterization ? "
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lowp vec3 applyRasterization(vec2 screenCoords, lowp vec3 texel, vec2 virtualResolution, float intensity) {
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return texel;
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}" : "") +
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(appSettings.rasterization === appSettings.scanline_rasterization ? "
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#define INTENSITY 0.30
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#define BRIGHTBOOST 0.30
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lowp vec3 applyRasterization(vec2 screenCoords, lowp vec3 texel, vec2 virtualResolution, float intensity) {
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lowp vec3 pixelHigh = ((1.0 + BRIGHTBOOST) - (0.2 * texel)) * texel;
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lowp vec3 pixelLow = ((1.0 - INTENSITY) + (0.1 * texel)) * texel;
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vec2 coords = fract(screenCoords * virtualResolution) * 2.0 - vec2(1.0);
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lowp float mask = 1.0 - abs(coords.y);
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lowp vec3 rasterizationColor = mix(pixelLow, pixelHigh, mask);
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return mix(texel, rasterizationColor, intensity);
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}" : "") +
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(appSettings.rasterization === appSettings.pixel_rasterization ? "
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#define INTENSITY 0.30
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#define BRIGHTBOOST 0.30
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lowp vec3 applyRasterization(vec2 screenCoords, lowp vec3 texel, vec2 virtualResolution, float intensity) {
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lowp vec3 result = texel;
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lowp vec3 pixelHigh = ((1.0 + BRIGHTBOOST) - (0.2 * texel)) * texel;
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lowp vec3 pixelLow = ((1.0 - INTENSITY) + (0.1 * texel)) * texel;
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vec2 coords = fract(screenCoords * virtualResolution) * 2.0 - vec2(1.0);
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coords = coords * coords;
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lowp float mask = 1.0 - coords.x - coords.y;
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lowp vec3 rasterizationColor = mix(pixelLow, pixelHigh, mask);
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return mix(texel, rasterizationColor, intensity);
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}" : "") +
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(appSettings.rasterization === appSettings.subpixel_rasterization ? "
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#define INTENSITY 0.30
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#define BRIGHTBOOST 0.30
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#define SUBPIXELS 3.0
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const vec3 offsets = vec3(3.141592654) * vec3(1.0/2.0,1.0/2.0 - 2.0/3.0,1.0/2.0-4.0/3.0);
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lowp vec3 applyRasterization(vec2 screenCoords, lowp vec3 texel, vec2 virtualResolution, float intensity) {
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vec2 omega = vec2(3.141592654) * vec2(2.0) * virtualResolution;
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vec2 angle = screenCoords * omega;
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vec3 xfactors = (SUBPIXELS + sin(angle.x + offsets)) / (SUBPIXELS + 1.0);
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lowp vec3 result = texel * xfactors;
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lowp vec3 pixelHigh = ((1.0 + BRIGHTBOOST) - (0.2 * result)) * result;
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lowp vec3 pixelLow = ((1.0 - INTENSITY) + (0.1 * result)) * result;
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vec2 coords = fract(screenCoords * virtualResolution) * 2.0 - vec2(1.0);
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lowp float mask = 1.0 - abs(coords.y);
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lowp vec3 rasterizationColor = mix(pixelLow, pixelHigh, mask);
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return mix(texel, rasterizationColor, intensity);
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}" : "") +
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"\n\n"
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property string min2: "
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float min2(vec2 v) {
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return min(v.x, v.y);
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}\n\n"
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property string rgb2grey: "
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float rgb2grey(vec3 v) {
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return dot(v, vec3(0.21, 0.72, 0.04));
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}\n\n"
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property string max2: "
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float max2(vec2 v) {
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return max(v.x, v.y);
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}\n\n"
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property string prod2: "
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float prod2(vec2 v) {
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return v.x * v.y;
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}\n\n"
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property string sum2: "
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float sum2(vec2 v) {
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return v.x + v.y;
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}\n\n"
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}
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