diff options
Diffstat (limited to 'src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer02-xxx.fp')
-rw-r--r-- | src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer02-xxx.fp | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer02-xxx.fp b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer02-xxx.fp new file mode 100644 index 000000000..c6a3c56c8 --- /dev/null +++ b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer02-xxx.fp @@ -0,0 +1,95 @@ +//Copyright 2010 JogAmp Community. All rights reserved.
+
+#include uniforms.glsl
+#include varyings.glsl
+
+const vec3 b_color = vec3(0.0, 0.0, 0.0);
+const vec4 tex_weights = vec4(0.075, 0.06, 0.045, 0.025);
+
+void main (void)
+{
+ vec2 rtex = vec2(abs(gcv_TexCoord.x),abs(gcv_TexCoord.y));
+ vec3 c = gcu_ColorStatic.rgb;
+
+ float alpha = 0.0;
+
+ if((gcv_TexCoord.x == 0.0) && (gcv_TexCoord.y == 0.0)){
+ alpha = gcu_Alpha;
+ }
+ else if((gcv_TexCoord.x >= 5.0)){
+ vec2 dfx = dFdx(gcv_TexCoord);
+ vec2 dfy = dFdy(gcv_TexCoord);
+
+ // vec2 size;
+ //#if __VERSION__ < 130
+ vec2 size = 1.0/gcu_TextureSize;
+ //#else
+ // size = 1.0/textureSize(gcu_TextureUnit,0);
+ //#endif
+ rtex -= 5.0;
+ vec4 t = texture2D(gcu_TextureUnit, rtex)* 0.18;
+
+ t += texture2D(gcu_TextureUnit, rtex + size*(vec2(1, 0)))*tex_weights.x;
+ t += texture2D(gcu_TextureUnit, rtex - size*(vec2(1, 0)))*tex_weights.x;
+ t += texture2D(gcu_TextureUnit, rtex + size*(vec2(0, 1)))*tex_weights.x;
+ t += texture2D(gcu_TextureUnit, rtex - size*(vec2(0, 1)))*tex_weights.x;
+
+ t += texture2D(gcu_TextureUnit, rtex + 2.0*size*(vec2(1, 0)))*tex_weights.y;
+ t += texture2D(gcu_TextureUnit, rtex - 2.0*size*(vec2(1, 0)))*tex_weights.y;
+ t += texture2D(gcu_TextureUnit, rtex + 2.0*size*(vec2(0, 1)))*tex_weights.y;
+ t += texture2D(gcu_TextureUnit, rtex - 2.0*size*(vec2(0, 1)))*tex_weights.y;
+
+ t += texture2D(gcu_TextureUnit, rtex + 3.0*size*(vec2(1, 0)))*tex_weights.z;
+ t += texture2D(gcu_TextureUnit, rtex - 3.0*size*(vec2(1, 0)))*tex_weights.z;
+ t += texture2D(gcu_TextureUnit, rtex + 3.0*size*(vec2(0, 1)))*tex_weights.z;
+ t += texture2D(gcu_TextureUnit, rtex - 3.0*size*(vec2(0, 1)))*tex_weights.z;
+
+ t += texture2D(gcu_TextureUnit, rtex + 4.0*size*(vec2(1, 0)))*tex_weights.w;
+ t += texture2D(gcu_TextureUnit, rtex - 4.0*size*(vec2(1, 0)))*tex_weights.w;
+ t += texture2D(gcu_TextureUnit, rtex + 4.0*size*(vec2(0, 1)))*tex_weights.w;
+ t += texture2D(gcu_TextureUnit, rtex - 4.0*size*(vec2(0, 1)))*tex_weights.w;
+
+ if(t.w == 0.0){
+ discard;
+ }
+
+ c = t.xyz;
+ alpha = gcu_Alpha * t.w;
+ }
+ ///////////////////////////////////////////////////////////
+ else if ((gcv_TexCoord.x > 0.0) && (rtex.y > 0.0 || rtex.x == 1.0)){
+ rtex.y -= 0.1;
+
+ if(rtex.y < 0.0) {
+ if(gcv_TexCoord.y < 0.0)
+ discard;
+ else{
+ rtex.y = 0.0;
+ }
+ }
+ vec2 dtx = dFdx(rtex);
+ vec2 dty = dFdy(rtex);
+
+ float w = gcu_Weight;
+ float pd = ((2.0 - (2.0*w))*rtex.x*rtex.x) + 2.0*(w-1.0)*rtex.x + 1.0;
+ float position = rtex.y - ((w*rtex.x*(1.0 - rtex.x))/pd);
+
+ float aph = 2.0 - 2.0*w;
+
+ float gd = (aph*rtex.x*rtex.x + 2.0*rtex.x + 1.0)*(aph*rtex.x*rtex.x + 2.0*rtex.x + 1.0);
+ vec2 f = vec2((dtx.y - (w*dtx.x*(1.0 - 2.0*rtex.x))/gd), (dty.y - (w*dty.x*(1.0 - 2.0*rtex.x))/gd));
+
+ float d = position/(length(f));
+ float a = (0.5 - d * sign(gcv_TexCoord.y));
+ if (a >= 1.0){
+ alpha = gcu_Alpha;
+ }
+ else if (a <= 0.0) {
+ discard;
+ }
+ else {
+ alpha = gcu_Alpha*a;
+ }
+ }
+ gl_FragColor = vec4(c, alpha);
+}
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