From c7af64b7061c59c987958d0830838f1c05caeb29 Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Fri, 19 Jan 2024 00:23:56 +0000
Subject: Render rail network using new shaders

Non-functional, totally unimplemented at this stage
---
 gfx/gl/shaders/network.fs         |  6 ++++++
 gfx/gl/shaders/networkCurve.gs    |  9 +++++++++
 gfx/gl/shaders/networkCurve.vs    | 20 ++++++++++++++++++++
 gfx/gl/shaders/networkStraight.gs | 15 +++++++++++++++
 gfx/gl/shaders/networkStraight.vs | 20 ++++++++++++++++++++
 5 files changed, 70 insertions(+)
 create mode 100644 gfx/gl/shaders/network.fs
 create mode 100644 gfx/gl/shaders/networkCurve.gs
 create mode 100644 gfx/gl/shaders/networkCurve.vs
 create mode 100644 gfx/gl/shaders/networkStraight.gs
 create mode 100644 gfx/gl/shaders/networkStraight.vs

(limited to 'gfx/gl/shaders')

diff --git a/gfx/gl/shaders/network.fs b/gfx/gl/shaders/network.fs
new file mode 100644
index 0000000..d427da2
--- /dev/null
+++ b/gfx/gl/shaders/network.fs
@@ -0,0 +1,6 @@
+#version 330 core
+
+void
+main()
+{
+}
diff --git a/gfx/gl/shaders/networkCurve.gs b/gfx/gl/shaders/networkCurve.gs
new file mode 100644
index 0000000..cf70b6e
--- /dev/null
+++ b/gfx/gl/shaders/networkCurve.gs
@@ -0,0 +1,9 @@
+#version 330 core
+
+layout(points) in;
+layout(triangle_strip, max_vertices = 255) out;
+
+void
+main()
+{
+}
diff --git a/gfx/gl/shaders/networkCurve.vs b/gfx/gl/shaders/networkCurve.vs
new file mode 100644
index 0000000..b4324d6
--- /dev/null
+++ b/gfx/gl/shaders/networkCurve.vs
@@ -0,0 +1,20 @@
+#version 330 core
+
+layout(location = 0) in ivec3 v_apos;
+layout(location = 1) in ivec3 v_bpos;
+layout(location = 2) in ivec3 v_centre;
+layout(location = 3) in float v_reps;
+
+uniform mat4 viewProjection;
+
+flat out ivec3 apos;
+flat out ivec3 bpos;
+flat out mat2 rot;
+flat out float reps;
+flat out float dist;
+
+void
+main()
+{
+	dist = viewProjection[0][0];
+}
diff --git a/gfx/gl/shaders/networkStraight.gs b/gfx/gl/shaders/networkStraight.gs
new file mode 100644
index 0000000..c2bfe3f
--- /dev/null
+++ b/gfx/gl/shaders/networkStraight.gs
@@ -0,0 +1,15 @@
+#version 330 core
+
+flat in ivec3 apos[];
+flat in ivec3 bpos[];
+flat in mat2 rot[];
+flat in float reps[];
+flat in float dist[];
+
+layout(points) in;
+layout(triangle_strip, max_vertices = 20) out;
+
+void
+main()
+{
+}
diff --git a/gfx/gl/shaders/networkStraight.vs b/gfx/gl/shaders/networkStraight.vs
new file mode 100644
index 0000000..025ae8f
--- /dev/null
+++ b/gfx/gl/shaders/networkStraight.vs
@@ -0,0 +1,20 @@
+#version 330 core
+
+layout(location = 0) in ivec3 v_apos;
+layout(location = 1) in ivec3 v_bpos;
+layout(location = 2) in mat2 v_rot;
+layout(location = 4) in float v_reps;
+
+uniform mat4 viewProjection;
+
+flat out ivec3 apos;
+flat out ivec3 bpos;
+flat out mat2 rot;
+flat out float reps;
+flat out float dist;
+
+void
+main()
+{
+	dist = viewProjection[0][0];
+}
-- 
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