clean up directory

fix help patch dependency
improve REAMDE


svn path=/trunk/externals/pix_opencv/; revision=16770

1 files changed, 0 insertions, 47 deletions

diff --git a/of.frag b/of.frag
deleted file mode 100644
index af7d99e..0000000
--- a/of.frag
+++ /dev/null
@@ -1,47 +0,0 @@
-#extension GL_ARB_texture_rectangle : enable
-
-uniform sampler2DRect currentFrame, previousFrame;
-uniform float lambda;
-uniform vec2 scale;
-
-vec2 offset = vec2(1.,1.);
-vec2 texcoord0 = gl_TexCoord[0].st;
-vec2 texcoord1 = gl_TexCoord[1].st;
-
-void main()
-{   
-	vec4 a = texture2DRect(currentFrame, texcoord0);
-	vec4 b = texture2DRect(previousFrame , texcoord1);
-	vec2 x1 = vec2(offset.x,0.);
-	vec2 y1 = vec2(0.,offset.y);
-
-	//get the difference
-	vec4 curdif = b-a;
-	
-	//calculate the gradient
-	vec4 gradx = texture2DRect(previousFrame, texcoord1+x1)-texture2DRect(previousFrame, texcoord1-x1);
-	gradx += texture2DRect(currentFrame, texcoord0+x1)-texture2DRect(currentFrame, texcoord0-x1);
-	vec4 grady = texture2DRect(previousFrame, texcoord1+y1)-texture2DRect(previousFrame, texcoord1-y1);
-	grady += texture2DRect(currentFrame, texcoord0+y1)-texture2DRect(currentFrame, texcoord0-y1);
-	vec4 gradmag = sqrt((gradx*gradx)+(grady*grady)+vec4(lambda));
-	
-	if ( gradmag.r == 0. ) {
-		gl_FragColor = vec4(0.5,0.5,0.5,1);
-		return;
-	}
-
-	vec4 vx = curdif*(gradx/gradmag);
-	float vxd = vx.r;//assumes greyscale
-	//format output for flowrepos, out(-x,+x,-y,+y)
-	//~ vec2 xout = vec2(max(vxd,0.),abs(min(vxd,0.)))*scale.x;
-	float xout = ((vxd/2.)*scale.x+0.5);
-
-	vec4 vy = curdif*(grady/gradmag);
-	float vyd = vy.r;//assumes greyscale
-	//format output for flowrepos, out(-x,+x,-y,+y)
-	//~ vec2 yout = vec2(max(vyd,0.),abs(min(vyd,0.)))*scale.y;
-	float yout = ((vyd/2.)*scale.y+0.5);
-	
-	//~ gl_FragColor = vec4(xout.xy,yout.xy);
-	gl_FragColor = vec4(xout,yout,0.5,1.);
-}