diff options
Diffstat (limited to 'examples/quick/shadereffects/content/shaders/shadow.frag')
-rw-r--r-- | examples/quick/shadereffects/content/shaders/shadow.frag | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/examples/quick/shadereffects/content/shaders/shadow.frag b/examples/quick/shadereffects/content/shaders/shadow.frag new file mode 100644 index 0000000000..8650ee4f4c --- /dev/null +++ b/examples/quick/shadereffects/content/shaders/shadow.frag @@ -0,0 +1,14 @@ +uniform lowp float qt_Opacity; +uniform highp vec2 offset; +uniform sampler2D source; +uniform sampler2D shadow; +uniform highp float darkness; +uniform highp vec2 delta; + +varying highp vec2 qt_TexCoord0; + +void main() { + lowp vec4 fg = texture2D(source, qt_TexCoord0); + lowp vec4 bg = texture2D(shadow, qt_TexCoord0 + delta); + gl_FragColor = (fg + vec4(0., 0., 0., darkness * bg.a) * (1. - fg.a)) * qt_Opacity; +} |