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Fixed Gaussian blur weighting thanks to http://hub.jmonkeyengine.org/forum/topic/gaussian-blur-shader-issue/

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Nehon 2014-11-10 00:14:53 +01:00
parent 14bfc7e166
commit 603432790b
2 changed files with 4 additions and 4 deletions
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4
jme3-core/src/main/resources/Common/MatDefs/Blur/HGaussianBlur.frag
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@ -10,7 +10,7 @@ void main(){
// blur in x (vertical) // blur in x (vertical)
// take nine samples, with the distance blurSize between them // take nine samples, with the distance blurSize between them
sum += texture2D(m_Texture, vec2(texCoord.x- 4.0*blurSize, texCoord.y )) * 0.05; sum += texture2D(m_Texture, vec2(texCoord.x- 4.0*blurSize, texCoord.y )) * 0.06;
sum += texture2D(m_Texture, vec2(texCoord.x- 3.0*blurSize, texCoord.y )) * 0.09; sum += texture2D(m_Texture, vec2(texCoord.x- 3.0*blurSize, texCoord.y )) * 0.09;
sum += texture2D(m_Texture, vec2(texCoord.x - 2.0*blurSize, texCoord.y)) * 0.12; sum += texture2D(m_Texture, vec2(texCoord.x - 2.0*blurSize, texCoord.y)) * 0.12;
sum += texture2D(m_Texture, vec2(texCoord.x- blurSize, texCoord.y )) * 0.15; sum += texture2D(m_Texture, vec2(texCoord.x- blurSize, texCoord.y )) * 0.15;
@ -18,7 +18,7 @@ void main(){
sum += texture2D(m_Texture, vec2(texCoord.x+ blurSize, texCoord.y )) * 0.15; sum += texture2D(m_Texture, vec2(texCoord.x+ blurSize, texCoord.y )) * 0.15;
sum += texture2D(m_Texture, vec2(texCoord.x+ 2.0*blurSize, texCoord.y )) * 0.12; sum += texture2D(m_Texture, vec2(texCoord.x+ 2.0*blurSize, texCoord.y )) * 0.12;
sum += texture2D(m_Texture, vec2(texCoord.x+ 3.0*blurSize, texCoord.y )) * 0.09; sum += texture2D(m_Texture, vec2(texCoord.x+ 3.0*blurSize, texCoord.y )) * 0.09;
sum += texture2D(m_Texture, vec2(texCoord.x+ 4.0*blurSize, texCoord.y )) * 0.05; sum += texture2D(m_Texture, vec2(texCoord.x+ 4.0*blurSize, texCoord.y )) * 0.06;
gl_FragColor = sum; gl_FragColor = sum;
} }

4
jme3-core/src/main/resources/Common/MatDefs/Blur/VGaussianBlur.frag
View File

@ -11,7 +11,7 @@ void main(void)
// blur in y (vertical) // blur in y (vertical)
// take nine samples, with the distance blurSize between them // take nine samples, with the distance blurSize between them
sum += texture2D(m_Texture, vec2(texCoord.x, texCoord.y - 4.0*blurSize)) * 0.05; sum += texture2D(m_Texture, vec2(texCoord.x, texCoord.y - 4.0*blurSize)) * 0.06;
sum += texture2D(m_Texture, vec2(texCoord.x, texCoord.y - 3.0*blurSize)) * 0.09; sum += texture2D(m_Texture, vec2(texCoord.x, texCoord.y - 3.0*blurSize)) * 0.09;
sum += texture2D(m_Texture, vec2(texCoord.x, texCoord.y - 2.0*blurSize)) * 0.12; sum += texture2D(m_Texture, vec2(texCoord.x, texCoord.y - 2.0*blurSize)) * 0.12;
sum += texture2D(m_Texture, vec2(texCoord.x, texCoord.y - blurSize)) * 0.15; sum += texture2D(m_Texture, vec2(texCoord.x, texCoord.y - blurSize)) * 0.15;
@ -19,7 +19,7 @@ void main(void)
sum += texture2D(m_Texture, vec2(texCoord.x, texCoord.y + blurSize)) * 0.15; sum += texture2D(m_Texture, vec2(texCoord.x, texCoord.y + blurSize)) * 0.15;
sum += texture2D(m_Texture, vec2(texCoord.x, texCoord.y + 2.0*blurSize)) * 0.12; sum += texture2D(m_Texture, vec2(texCoord.x, texCoord.y + 2.0*blurSize)) * 0.12;
sum += texture2D(m_Texture, vec2(texCoord.x, texCoord.y + 3.0*blurSize)) * 0.09; sum += texture2D(m_Texture, vec2(texCoord.x, texCoord.y + 3.0*blurSize)) * 0.09;
sum += texture2D(m_Texture, vec2(texCoord.x, texCoord.y + 4.0*blurSize)) * 0.05; sum += texture2D(m_Texture, vec2(texCoord.x, texCoord.y + 4.0*blurSize)) * 0.06;
gl_FragColor = sum; gl_FragColor = sum;
} }