diff options
Diffstat (limited to 'virtual-programs')
| -rw-r--r-- | virtual-programs/display.folk | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/virtual-programs/display.folk b/virtual-programs/display.folk index b9dcfe84..a1aa9583 100644 --- a/virtual-programs/display.folk +++ b/virtual-programs/display.folk @@ -109,8 +109,10 @@ On process { }] variable glyph [Gpu::pipeline {sampler2D atlas vec2 atlasSize vec4 atlasGlyphBounds - vec2 a vec2 b vec2 c vec2 d} \ - {invBilinear glyphMsd median} { + vec2 a vec2 b vec2 c vec2 d} { + vec2 vertices[4] = vec2[4](vec2(-1, -1), vec2(1, -1), vec2(-1, 1), vec2(1, 1)); + return vec4(vertices[gl_VertexIndex], 0.0, 1.0); + } {invBilinear glyphMsd median} { vec2 glyphUv = invBilinear(gl_FragCoord.xy, a, b, c, d); if( max( abs(glyphUv.x-0.5), abs(glyphUv.y-0.5))>=0.5 ) { return vec4(0, 0, 0, 0); @@ -123,6 +125,9 @@ On process { }] variable line [Gpu::pipeline {vec2 from vec2 to float thickness} { + vec2 vertices[4] = vec2[4](vec2(-1, -1), vec2(1, -1), vec2(-1, 1), vec2(1, 1)); + return vec4(vertices[gl_VertexIndex], 0.0, 1.0); + } { float l = length(to - from); vec2 d = (to - from) / l; vec2 q = (gl_FragCoord.xy - (from + to)*0.5); @@ -168,7 +173,7 @@ On process { [list [+ $x $right] [- $y $bottom]] \ [list [+ $x $left] [- $y $bottom]]] # stroke $quad 10 red - Gpu::draw $glyph $quad $fontAtlas $fontAtlasSize \ + Gpu::draw $glyph $fontAtlas $fontAtlasSize \ $atlasBounds {*}$quad } set x [+ $x [* $advance $em]] |