95 lines
2.2 KiB
GLSL
95 lines
2.2 KiB
GLSL
/*
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Complementary Shaders by EminGT, based on BSL Shaders by Capt Tatsu
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*/
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//Common//
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#include "/lib/common.glsl"
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//Varyings//
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varying vec2 texCoord;
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//////////Fragment Shader//////////Fragment Shader//////////Fragment Shader//////////
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#ifdef FSH
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//Uniforms//
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uniform float viewWidth, viewHeight, aspectRatio;
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uniform vec3 cameraPosition, previousCameraPosition;
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uniform mat4 gbufferPreviousProjection, gbufferProjectionInverse;
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uniform mat4 gbufferModelView, gbufferPreviousModelView, gbufferModelViewInverse;
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uniform sampler2D colortex0;
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uniform sampler2D depthtex1;
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//Common Functions//
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vec3 MotionBlur(vec3 color, float z, float dither) {
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float hand = float(z < 0.56);
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if (hand < 0.5) {
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float mbwg = 0.0;
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vec2 doublePixel = 2.0 / vec2(viewWidth, viewHeight);
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vec3 mblur = vec3(0.0);
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vec4 currentPosition = vec4(texCoord, z, 1.0) * 2.0 - 1.0;
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vec4 viewPos = gbufferProjectionInverse * currentPosition;
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viewPos = gbufferModelViewInverse * viewPos;
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viewPos /= viewPos.w;
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vec3 cameraOffset = cameraPosition - previousCameraPosition;
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vec4 previousPosition = viewPos + vec4(cameraOffset, 0.0);
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previousPosition = gbufferPreviousModelView * previousPosition;
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previousPosition = gbufferPreviousProjection * previousPosition;
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previousPosition /= previousPosition.w;
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vec2 velocity = (currentPosition - previousPosition).xy;
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velocity = velocity / (1.0 + length(velocity)) * MOTION_BLUR_STRENGTH * 0.02;
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vec2 coord = texCoord.st - velocity * (3.5 + dither);
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for(int i = 0; i < 9; i++, coord += velocity) {
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vec2 coordb = clamp(coord, doublePixel, 1.0 - doublePixel);
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mblur += texture2DLod(colortex0, coordb, 0).rgb;
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mbwg += 1.0;
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}
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mblur /= mbwg;
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return mblur;
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}
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else return color;
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}
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//Includes//
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#include "/lib/util/dither.glsl"
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//Program//
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void main() {
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vec3 color = texture2D(colortex0,texCoord).rgb;
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#ifdef MOTION_BLUR
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float z = texture2D(depthtex1, texCoord.st).x;
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float dither = Bayer64(gl_FragCoord.xy);
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color = MotionBlur(color, z, dither);
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#endif
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/*DRAWBUFFERS:0*/
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gl_FragData[0] = vec4(color,1.0);
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}
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#endif
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//////////Vertex Shader//////////Vertex Shader//////////Vertex Shader//////////
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#ifdef VSH
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//Program//
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void main() {
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texCoord = gl_MultiTexCoord0.xy;
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gl_Position = ftransform();
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}
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#endif |