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++ VARYING vec2 TexCoord0;
++ VARYING vec2 TexCoord1;
++ VARYING vec2 TexCoord2;
++ VARYING vec2 TexCoord3;
++ VARYING vec2 TexCoord4;
++
++ const vec3 poisson0 = vec3( 0.000000, 0.000000, 0.000000 );
++ const vec3 poisson1 = vec3( 0.527837, -0.085868, 0.534776 );
++ const vec3 poisson2 = vec3( -0.040088, 0.537087, 0.538581 );
++ const vec3 poisson3 = vec3( -0.670445, -0.017995, 0.670686 );
++ const vec3 poisson4 = vec3( -0.419418, -0.616039, 0.745262 );
++
++ float advancedGetTiltShiftMultiplier(vec2 inTexCoord, float inFocusBarHeight, float inFocusWidth,
++ bool inVertical, bool inInvert)
++ {
++ float texPos = inVertical ? inTexCoord.x : 0.5 + (inTexCoord.y - 0.5) * (-FRAMEBUFFER_Y_UP);
++ float focusDiff = max(0.0, abs(texPos - inFocusBarHeight) - (inFocusWidth / 2.0))
++ / inFocusWidth;
++ float retval = clamp(focusDiff, 0.0, 1.0);
++ return inInvert ? 1.0 - retval : retval;
++ }
++
++ vec4 advancedPoissonTiltShiftBlur(sampler2D inSampler, float inBarHeight,
++ float inFocusWidth, bool inVertical, bool inInvert)
++ {
++ float mult0 = (1.0 - poisson0.z) * advancedGetTiltShiftMultiplier(TexCoord0, inBarHeight,
++ inFocusWidth, inVertical,
++ inInvert);
++ float mult1 = (1.0 - poisson1.z) * advancedGetTiltShiftMultiplier(TexCoord1, inBarHeight,
++ inFocusWidth, inVertical,
++ inInvert);
++ float mult2 = (1.0 - poisson2.z) * advancedGetTiltShiftMultiplier(TexCoord2, inBarHeight,
++ inFocusWidth, inVertical,
++ inInvert);
++ float mult3 = (1.0 - poisson3.z) * advancedGetTiltShiftMultiplier(TexCoord3, inBarHeight,
++ inFocusWidth, inVertical,
++ inInvert);
++ float mult4 = (1.0 - poisson4.z) * advancedGetTiltShiftMultiplier(TexCoord4, inBarHeight,
++ inFocusWidth, inVertical,
++ inInvert);
++
++ float multTotal = mult0 + mult1 + mult2 + mult3 + mult4;
++ float multMultiplier = multTotal > 0.0 ? 1.0 / multTotal : 0.0;
++
++ vec4 outColor = texture(inSampler, TexCoord0) * (mult0 * multMultiplier);
++ outColor += texture(inSampler, TexCoord1) * (mult1 * multMultiplier);
++ outColor += texture(inSampler, TexCoord2) * (mult2 * multMultiplier);
++ outColor += texture(inSampler, TexCoord3) * (mult3 * multMultiplier);
++ outColor += texture(inSampler, TexCoord4) * (mult4 * multMultiplier);
++ return outColor;
++ }
++
++ void MAIN()
++ {
++ float centerMultiplier = advancedGetTiltShiftMultiplier(INPUT_UV, focusPosition, focusWidth, isVertical, isInverted);
++ vec4 blurColor = advancedPoissonTiltShiftBlur(INPUT, focusPosition, focusWidth, isVertical, isInverted);
++ FRAGCOLOR = mix(texture(sourceSampler, INPUT_UV), blurColor, centerMultiplier);
++ }