diff options
Diffstat (limited to 'src/effects/shaders/fastglow.frag')
-rw-r--r-- | src/effects/shaders/fastglow.frag | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/src/effects/shaders/fastglow.frag b/src/effects/shaders/fastglow.frag deleted file mode 100644 index 0eb3ece..0000000 --- a/src/effects/shaders/fastglow.frag +++ /dev/null @@ -1,28 +0,0 @@ -uniform lowp sampler2D source1; -uniform lowp sampler2D source2; -uniform lowp sampler2D source3; -uniform lowp sampler2D source4; -uniform lowp sampler2D source5; -uniform mediump float weight1; -uniform mediump float weight2; -uniform mediump float weight3; -uniform mediump float weight4; -uniform mediump float weight5; -uniform highp vec4 color; -uniform highp float spread; -uniform lowp float qt_Opacity; -varying mediump vec2 qt_TexCoord0; - -highp float linearstep(highp float e0, highp float e1, highp float x) { - return clamp((x - e0) / (e1 - e0), 0.0, 1.0); -} - -void main() { - 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 = mix(vec4(0), color, linearstep(0.0, spread, sourceColor.a)); - gl_FragColor = sourceColor * qt_Opacity; -} |