diff options
Diffstat (limited to 'vendor/gioui.org/shader/gio/zcover.frag.1.glsl100es')
| -rw-r--r-- | vendor/gioui.org/shader/gio/zcover.frag.1.glsl100es | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/vendor/gioui.org/shader/gio/zcover.frag.1.glsl100es b/vendor/gioui.org/shader/gio/zcover.frag.1.glsl100es new file mode 100644 index 0000000..01cc88e --- /dev/null +++ b/vendor/gioui.org/shader/gio/zcover.frag.1.glsl100es @@ -0,0 +1,24 @@ +#version 100 +precision mediump float; +precision highp int; + +struct Gradient +{ + vec4 color1; + vec4 color2; +}; + +uniform Gradient _gradient; + +uniform mediump sampler2D cover; + +varying highp vec2 vUV; +varying highp vec2 vCoverUV; + +void main() +{ + gl_FragData[0] = mix(_gradient.color1, _gradient.color2, vec4(clamp(vUV.x, 0.0, 1.0))); + float c = min(abs(texture2D(cover, vCoverUV).x), 1.0); + gl_FragData[0] *= c; +} + |