From d1d1a4e349f18cd36406f75170dad87fbad2722a Mon Sep 17 00:00:00 2001 From: Dan Goodliffe Date: Sat, 20 Jan 2024 13:00:49 +0000 Subject: Common code between straight/curve network geometry shaders --- gfx/gl/shaders/networkStraight.gs | 38 ++------------------------------------ 1 file changed, 2 insertions(+), 36 deletions(-) (limited to 'gfx/gl/shaders/networkStraight.gs') diff --git a/gfx/gl/shaders/networkStraight.gs b/gfx/gl/shaders/networkStraight.gs index ccd456a..51df5fb 100644 --- a/gfx/gl/shaders/networkStraight.gs +++ b/gfx/gl/shaders/networkStraight.gs @@ -1,14 +1,5 @@ #version 330 core -const float RAIL_HEIGHT = 250; -const vec3[] profile = vec3[]( // - vec3(-1900.F, 0.F, 0.F), // - vec3(-608.F, 0.F, RAIL_HEIGHT), // - vec3(0, 0.F, RAIL_HEIGHT * .7F), // - vec3(608.F, 0.F, RAIL_HEIGHT), // - vec3(1900.F, 0.F, 0.F)); -const float[profile.length()] texturePos = float[](0, 0.34, 0.5, 0.65, 1); - flat in ivec3 apos[]; flat in ivec3 bpos[]; flat in mat2 rot[]; @@ -17,35 +8,10 @@ flat in float dist[]; layout(points) in; layout(triangle_strip, max_vertices = 10) out; - -uniform mat4 viewProjection; -uniform ivec3 viewPoint; - -uniform int clipDistance = 5000000; -uniform int flatDistance = 1000000; - -out vec2 texCoord; -out vec3 rposition; - -void -doEnd(const ivec3 end, int v, float texY) -{ - rposition = vec3(rot[0] * profile[v].xy, profile[v].z); - ivec3 vpos = end + ivec3(rposition); - gl_Position = viewProjection * vec4(vpos - viewPoint, 1); - texCoord = vec2(texturePos[v], texY); - EmitVertex(); -} +include(`networkCommon.glsl') void main() { - if (dist[0] < clipDistance) { - int vstep = (dist[0] < flatDistance) ? 1 : profile.length() - 1; - for (int v = 0; v < profile.length(); v += vstep) { - doEnd(bpos[0], v, reps[0]); - doEnd(apos[0], v, 0); - } - EndPrimitive(); - } + doSeg(dist[0], apos[0], bpos[0], 0.f, reps[0], rot[0], rot[0]); } -- cgit v1.2.3