diff options
Diffstat (limited to 'src/effects/shaders/fastmaskedblur.frag')
-rw-r--r-- | src/effects/shaders/fastmaskedblur.frag | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/src/effects/shaders/fastmaskedblur.frag b/src/effects/shaders/fastmaskedblur.frag deleted file mode 100644 index 9613012..0000000 --- a/src/effects/shaders/fastmaskedblur.frag +++ /dev/null @@ -1,51 +0,0 @@ -uniform lowp sampler2D mask; -uniform lowp sampler2D source1; -uniform lowp sampler2D source2; -uniform lowp sampler2D source3; -uniform lowp sampler2D source4; -uniform lowp sampler2D source5; -uniform lowp sampler2D source6; -uniform lowp float lod; -uniform lowp float qt_Opacity; -varying mediump vec2 qt_TexCoord0; - -mediump float weight(mediump float v) { - if (v <= 0.0) - return 1.0; - - if (v >= 0.5) - return 0.0; - - return 1.0 - v * 2.0; -} - -void main() { - - lowp vec4 maskColor = texture2D(mask, qt_TexCoord0); - mediump float l = lod * maskColor.a; - - mediump float w1 = weight(abs(l - 0.100)); - mediump float w2 = weight(abs(l - 0.300)); - mediump float w3 = weight(abs(l - 0.500)); - mediump float w4 = weight(abs(l - 0.700)); - mediump float w5 = weight(abs(l - 0.900)); - mediump float w6 = weight(abs(l - 1.100)); - - mediump float sum = w1 + w2 + w3 + w4 + w5 + w6; - mediump float weight1 = w1 / sum; - mediump float weight2 = w2 / sum; - mediump float weight3 = w3 / sum; - mediump float weight4 = w4 / sum; - mediump float weight5 = w5 / sum; - mediump float weight6 = w6 / sum; - - lowp vec4 sourceColor = texture2D(source1, qt_TexCoord0) * weight1; - sourceColor += texture2D(source2, qt_TexCoord0) * weight2; - sourceColor += texture2D(source3, qt_TexCoord0) * weight3; - sourceColor += texture2D(source4, qt_TexCoord0) * weight4; - sourceColor += texture2D(source5, qt_TexCoord0) * weight5; - sourceColor += texture2D(source6, qt_TexCoord0) * weight6; - - gl_FragColor = sourceColor * qt_Opacity; - -} |