From e5acfb329827802fe2259f91701dc8762c2573b6 Mon Sep 17 00:00:00 2001
From: nathan <nathansmith@disroot.org>
Date: Fri, 8 Aug 2025 12:48:10 -0600
Subject: Mesh instancing test working

---
 assets/shaders/glsl100/instancing.vs | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 assets/shaders/glsl100/instancing.vs

(limited to 'assets/shaders/glsl100/instancing.vs')

diff --git a/assets/shaders/glsl100/instancing.vs b/assets/shaders/glsl100/instancing.vs
new file mode 100644
index 0000000..59d7304
--- /dev/null
+++ b/assets/shaders/glsl100/instancing.vs
@@ -0,0 +1,36 @@
+#version 100
+
+// Input vertex attributes
+attribute vec3 vertexPosition;
+attribute vec2 vertexTexCoord;
+attribute vec3 vertexNormal;
+attribute vec4 vertexColor;
+
+attribute mat4 instanceTransform;
+
+// Input uniform values
+uniform mat4 mvp;
+uniform mat4 matNormal;
+
+// Output vertex attributes (to fragment shader)
+varying vec3 fragPosition;
+varying vec2 fragTexCoord;
+varying vec4 fragColor;
+varying vec3 fragNormal;
+
+// NOTE: Add your custom variables here
+
+void main()
+{
+    // Compute MVP for current instance
+    mat4 mvpi = mvp*instanceTransform;
+
+    // Send vertex attributes to fragment shader
+    fragPosition = vec3(mvpi*vec4(vertexPosition, 1.0));
+    fragTexCoord = vertexTexCoord;
+    fragColor = vertexColor;
+    fragNormal = normalize(vec3(matNormal*vec4(vertexNormal, 1.0)));
+
+    // Calculate final vertex position
+    gl_Position = mvpi*vec4(vertexPosition, 1.0);
+}
-- 
cgit v1.2.3