diff options
Diffstat (limited to 'resources')
-rw-r--r-- | resources/shaders/printbed.fs | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/resources/shaders/printbed.fs b/resources/shaders/printbed.fs index be14347c2..d1316ca2f 100644 --- a/resources/shaders/printbed.fs +++ b/resources/shaders/printbed.fs @@ -5,16 +5,30 @@ const vec3 back_color_light = vec3(0.365, 0.365, 0.365); uniform sampler2D texture; uniform bool transparent_background; +uniform bool svg_source; varying vec2 tex_coords; -void main() +vec4 svg_color() { + // takes foreground from texture + vec4 fore_color = texture2D(texture, tex_coords); + // calculates radial gradient vec3 back_color = vec3(mix(back_color_light, back_color_dark, smoothstep(0.0, 0.5, length(abs(tex_coords.xy) - vec2(0.5))))); - vec4 fore_color = texture2D(texture, tex_coords); - // blends foreground with background - gl_FragColor = vec4(mix(back_color, fore_color.rgb, fore_color.a), transparent_background ? fore_color.a : 1.0); + return vec4(mix(back_color, fore_color.rgb, fore_color.a), transparent_background ? fore_color.a : 1.0); +} + +vec4 non_svg_color() +{ + // takes foreground from texture + vec4 color = texture2D(texture, tex_coords); + return vec4(color.rgb, transparent_background ? color.a * 0.25 : color.a); +} + +void main() +{ + gl_FragColor = svg_source ? svg_color() : non_svg_color(); }
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