diff options
Diffstat (limited to 'src/quick/scenegraph/shaders_ng/distancefieldshiftedtext.frag')
-rw-r--r-- | src/quick/scenegraph/shaders_ng/distancefieldshiftedtext.frag | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/quick/scenegraph/shaders_ng/distancefieldshiftedtext.frag b/src/quick/scenegraph/shaders_ng/distancefieldshiftedtext.frag new file mode 100644 index 0000000000..aa3390094b --- /dev/null +++ b/src/quick/scenegraph/shaders_ng/distancefieldshiftedtext.frag @@ -0,0 +1,27 @@ +#version 440 + +layout(location = 0) in vec2 sampleCoord; +layout(location = 1) in vec2 shiftedSampleCoord; + +layout(location = 0) out vec4 fragColor; + +layout(binding = 1) uniform sampler2D _qt_texture; + +layout(std140, binding = 0) uniform buf { + mat4 matrix; + vec2 textureScale; + vec4 color; + float alphaMin; + float alphaMax; + // up to this point it must match distancefieldtext + vec4 styleColor; + vec2 shift; +} ubuf; + +void main() +{ + float a = smoothstep(ubuf.alphaMin, ubuf.alphaMax, texture(_qt_texture, sampleCoord).r); + vec4 shifted = ubuf.styleColor * smoothstep(ubuf.alphaMin, ubuf.alphaMax, + texture(_qt_texture, shiftedSampleCoord).r); + fragColor = mix(shifted, ubuf.color, a); +} |