port from perforce

hgplus/ShaderMinifier/tests/real/the wind under my wings/f_blurpass2.cpp

@@ -0,0 +1,264 @@
+#version 110
+#define float4 vec4
+#define float3 vec3
+#define float2 vec2
+#define oUV gl_TexCoord[0]
+#define tex3D texture3D
+#define tex2D texture2D
+#define tex1D texture1D
+
+				uniform sampler2D texture2d_1;
+				uniform sampler2D texture2d_velocities;
+				uniform sampler2D texture2d_2;
+				uniform sampler2D texture2d_random;
+/*				uniform sampler1D texture_transfer_function;
+				uniform sampler1D texture_palette_function;
+
+					
+				uniform float3 VolumeSize;
+				uniform float3 RelativeSize;
+				uniform float3 Registration_Offset;
+				uniform float pet_alpha_blending;
+				uniform float3 MousePos;
+				uniform int Projection_mode;
+uniform float3 InVolumePosition;
+				uniform float3 Windowing_Levels;
+
+				uniform float isosurface;
+uniform float Sharpening;
+
+*/
+
+				uniform float Limit;
+				uniform float Flo;
+
+uniform float PosY;
+uniform vec3 MotionBlur;
+
+
+
+
+
+void main (void) 
+{
+
+vec2 MotionBlurPos=vec2 (0.0,0.0);
+
+
+
+//float ff=tex2D (texture2d_1,oUV.xy).x;
+//ff=abs (ff-cl.x);
+//ff=0.5+0.5*sin(ff*10000.0);
+//cl=ff*vec4 (1.0);
+
+
+
+/*
+
+
+float PI=3.1415926535;
+float2 UV=oUV.xy;
+
+UV-=float2 (0.5,0.5);
+UV*=2.0;
+
+
+float3 DirV =float3 (UV.x,UV.y,0.6);
+float lgn=length (DirV);
+DirV/=lgn;
+
+UV.xy=UV.xy+(DirV.xy-UV.xy)*-0.0;
+UV*=0.5;
+UV+=float2 (0.5,0.5);
+*/
+	float2 UV=oUV.xy;
+float4 cl=tex2D (texture2d_1,UV.xy);
+
+cl=float4 (0.0);
+float3 Direction=tex2D (texture2d_velocities,UV.xy).xyz;
+//Direction.xy=float2 (0.5);
+Direction.xyz-=float3 (0.5);
+Direction*=2.0;
+
+float alpha=1.0*length (Direction.xyz);
+alpha=clamp (alpha,0.0,1.0);
+//alpha=1-alpha;
+//alpha*=alpha;
+//alpha=1-alpha;
+
+//alpha*=alpha;
+//alpha=0.1;
+Direction*=0.01;
+if (alpha>0.01)
+{
+	for (int t=0;t<10;t++) { 
+UV.xy-=Direction.xy;
+	cl+=tex2D (texture2d_1,UV.xy);
+};
+cl*=1.0/10.0;
+//cl.x+=0.15*alpha;
+//=float4 (1.0,0.0,0.0,1.0)*alpha;
+}
+else
+cl=tex2D (texture2d_1,UV.xy);
+
+float4 clnow=tex2D( texture2d_1,oUV.xy);
+
+cl=cl+(clnow-cl)*0.5;
+
+UV=oUV.xy;
+
+
+
+
+
+
+// blur effect
+float lgn2=length (float2 (1.0,2.0)*(UV.xy-float2 (0.5)));
+lgn2*=lgn2;
+float xxx=1.0+(gl_Color.x)*5.0;
+//xxx=1.0;
+xxx=clamp (xxx,1.0,100.0);
+//pow(lgn2,1.8);
+int count=0;
+{
+	for (int y=-3;y<3;y++) {
+	for (int x=-3;x<3;x++){
+count++;
+
+float2 dd=float2 (x,y);
+if ( (x)==(y)) {
+	//dd*=2.0;
+}
+
+float2 Dist=float2 (x,y)*0.0025*lgn2;
+Dist=dd*0.0018*lgn2*xxx;
+
+Dist+=MotionBlurPos;
+MotionBlurPos+=MotionBlur.xy*0.01;
+
+cl+=tex2D(texture2d_1,UV.xy+Dist);
+
+}
+}
+cl/=float (count)*(lgn2+(1.0-lgn2)*0.85);
+}
+
+vec4 cll=cl*1.03;
+cll+=gl_Color;
+//cll=tex2D (texture2d_1,oUV.xy);
+
+
+
+/*
+
+
+
+ 
+//Depth blurring
+
+float dpth=0.0;
+ count=0;
+ float Limit2=1.0-Limit;
+for (int y=-4;y<5;y++) {
+	for (int x=-4;x<5;x++){
+count++;
+float2 dd=float2 (x,y)*0.7*Limit2;
+
+//dd=ray.xy*5.0;
+
+float2 Dist=dd*0.0018;
+dpth+=tex2D(texture2d_2,UV.xy+Dist).x;
+}
+}
+dpth/=float (count);
+//dpth=sin(dpth*3.14159);
+//dpth+=0.1;
+dpth=pow(dpth,126.0);
+//dpth+=Limit;
+dpth=1.0-1.0*dpth;
+//if (dpth<0.7) dpth=0.0;
+count=0;
+cl=vec4(0.0);
+dpth=clamp(dpth,0.0,1.0);
+
+dpth=Limit+((1.0-Limit)-(Limit))*dpth;
+dpth*=Flo;
+//dpth=1.0;
+
+float vel=tex2D(texture2d_velocities,UV.xy).x;
+if (dpth>0.02)
+{ 
+for (int y=-4;y<5;y++) {
+	for (int x=-4;x<5;x++){
+count++;
+
+float2 dd=float2 (x,y)*0.7;//;*vec2 (3.0,3.0);
+
+//float2 dd2=float((x+4)*9+(y+4))*float2 (-1.0,1.0)*0.4;
+//dd=dd+(dd2-dd)*-vel*0.4;
+
+
+float2 Dist=dd*0.0018*dpth;
+cl+=tex2D(texture2d_1,UV.xy+Dist);
+//cl.x=dpth;
+	}
+}
+
+cl/=float (count);
+}
+else
+cl=tex2D(texture2d_1,UV.xy);
+
+
+
+if (vel>0.01) { 
+vec4 newcl=vec4 (0.0);
+for (int x=0;x<15;x++){
+float2 dd2=float(x)*float2 (-1.0,1.0)*0.003*vel;
+newcl+=tex2D(texture2d_1,UV.xy+dd2);
+}
+newcl*=1.0/15.0;
+
+cl=cl+(newcl-cl)*0.5;
+}
+
+
+
+//cl*=0.4;
+
+//cl+=tex2D(texture2d_velocities,UV.xy)*0.5;
+
+
+//cl=tex2D(texture2d_1,UV.xy);
+//cl=vec4 (dpth);
+
+//cl=vec4 (tex2D(texture2d_2,UV.xy).x);
+
+
+
+
+*/
+
+cl=cll;
+
+
+
+gl_FragData[0]=cl;
+	gl_FragData[1]=cl;
+
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+