From 9b5d364add330fc18100491bf3c57316a27183f5 Mon Sep 17 00:00:00 2001 From: David Thompson Date: Fri, 27 Aug 2021 16:07:38 -0400 Subject: graphics: path: Separate fill/stroke into different shaders. --- data/shaders/path-fill-vert.glsl | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 data/shaders/path-fill-vert.glsl (limited to 'data/shaders/path-fill-vert.glsl') diff --git a/data/shaders/path-fill-vert.glsl b/data/shaders/path-fill-vert.glsl new file mode 100644 index 0000000..d95b71b --- /dev/null +++ b/data/shaders/path-fill-vert.glsl @@ -0,0 +1,22 @@ +// -*- mode: c -*- + +#ifdef GLSL330 +layout (location = 0) in vec2 position; +#elif defined(GLSL130) +in vec2 position; +#elif defined(GLSL120) +attribute vec2 position; +#endif + +uniform mat4 mvp; +uniform vec4 color; + +void main(void) { + // Short-circuit because the fragments will just be discarded + // anyway. + if (color.a <= 0.0) { + gl_Position = vec4(0.0, 0.0, 0.0, 1.0); + } else { + gl_Position = mvp * vec4(position.xy, 0.0, 1.0); + } +} -- cgit v1.2.3