diff options
Diffstat (limited to 'src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-pass1-curve-weight.glsl')
| -rw-r--r-- | src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-pass1-curve-weight.glsl | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-pass1-curve-weight.glsl b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-pass1-curve-weight.glsl index a489949b4..21e44a23f 100644 --- a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-pass1-curve-weight.glsl +++ b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-pass1-curve-weight.glsl @@ -5,19 +5,19 @@ alpha = 1.0; } else { // pass-1: curves - const vec2 rtex = vec2( abs(gcv_TexCoord.x), abs(gcv_TexCoord.y) - 0.1 ); + vec2 rtex = vec2( abs(gcv_TexCoord.x), abs(gcv_TexCoord.y) - 0.1 ); - const vec2 dtx = dFdx(rtex); - const vec2 dty = dFdy(rtex); + vec2 dtx = dFdx(rtex); + vec2 dty = dFdy(rtex); - const float w = gcu_Weight; - const float pd = ((2.0 - (2.0*w))*rtex.x*rtex.x) + 2.0*(w-1.0)*rtex.x + 1.0; - const float position = rtex.y - ((w*rtex.x*(1.0 - rtex.x))/pd); + 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); - const float aph = 2.0 - 2.0*w; + float aph = 2.0 - 2.0*w; - const float gd = (aph*rtex.x*rtex.x + 2.0*rtex.x + 1.0)*(aph*rtex.x*rtex.x + 2.0*rtex.x + 1.0); - const 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 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)); color = gcu_ColorStatic.rgb; alpha = clamp(0.5 - ( position/length(f) ) * sign(gcv_TexCoord.y), 0.0, 1.0); |