From e31535abfff4c3335dd465e3745a69d3102253a6 Mon Sep 17 00:00:00 2001
From: quou <quou@disroot.org>
Date: Sat, 28 Dec 2024 18:27:30 +1100
Subject: converting, loading and rendering GLTF models

---
 intermediate/surface.glsl | 68 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 intermediate/surface.glsl

(limited to 'intermediate/surface.glsl')

diff --git a/intermediate/surface.glsl b/intermediate/surface.glsl
new file mode 100644
index 0000000..681ec3f
--- /dev/null
+++ b/intermediate/surface.glsl
@@ -0,0 +1,68 @@
+#ifdef DESC
+[program]
+type: graphics
+vertex: main
+fragment: main
+
+[binding]
+name: mesh
+rate: vertex
+[attribute]
+name: position
+type: vec3
+[attribute]
+name: normal
+type: vec3
+[attribute]
+name: uv
+type: vec2
+
+[interpolator]
+name: uv
+type: vec2
+[interpolator]
+name: normal
+type: vec3
+
+[struct]
+name: Config
+[variable]
+name: transform
+type: mat4
+[variable]
+name: projection
+type: mat4
+
+[cbuffer]
+name: config_buffer
+type: Config
+stage: vertex
+
+[target]
+name: colour
+type: vec4
+
+#endif
+
+#ifdef VERTEX_SHADER
+
+void main() {
+	interpolator.uv = uv;
+	interpolator.normal = mat3(config_buffer.transform) * normal;
+	gl_Position =
+		config_buffer.projection *
+		config_buffer.transform *
+		vec4(position, 1.0);
+}
+
+#endif
+
+#ifdef FRAGMENT_SHADER
+
+void main() {
+	vec3 normal = normalize(interpolator.normal);
+	float light = max(dot(normal, vec3(0, 0, 1)), 0.0);
+	colour = vec4(light.xxx, 1.0);
+}
+
+#endif
-- 
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