From 1734f3f87aace27bc883200b70fbdcab2ca90926 Mon Sep 17 00:00:00 2001
From: Gustl22 <user.rebo@gmx.de>
Date: Sun, 3 Feb 2019 19:58:34 +0100
Subject: [PATCH] Extrusion shader variable docs (#650)
---
.../org/oscim/renderer/ExtrusionRenderer.java | 42 ++++++++++++++++++-
1 file changed, 41 insertions(+), 1 deletion(-)
diff --git a/vtm/src/org/oscim/renderer/ExtrusionRenderer.java b/vtm/src/org/oscim/renderer/ExtrusionRenderer.java
index f68749ea..5f4a3fec 100644
--- a/vtm/src/org/oscim/renderer/ExtrusionRenderer.java
+++ b/vtm/src/org/oscim/renderer/ExtrusionRenderer.java
@@ -52,7 +52,47 @@ public abstract class ExtrusionRenderer extends LayerRenderer {
}
public static class Shader extends GLShader {
- int uMVP, uColor, uAlpha, uMode, aPos, aLight, uZLimit;
+ /**
+ * The vertex position as attribute.
+ */
+ int aPos;
+
+ /**
+ * The light indicator of vertex's face as attribute.
+ */
+ int aLight;
+
+ /**
+ * The alpha value (e.g. for fading animation) as uniform.
+ */
+ int uAlpha;
+
+ /**
+ * The extrusion color(s) as uniform.
+ */
+ int uColor;
+
+ /**
+ * The shader render mode as uniform.
+ * <p>
+ * Extrusion shader:
+ * -1: translucent (depth buffer only)
+ * 0: draw roof
+ * 1: draw side one
+ * 2: draw side two
+ * 3: draw outline
+ */
+ int uMode;
+
+ /**
+ * The model-view-projection matrix as uniform.
+ */
+ int uMVP;
+
+ /**
+ * The height limit of extrusions as uniform.
+ */
+ int uZLimit;
public Shader(String shader) {
if (!create(shader))