1 files changed, 23 insertions, 0 deletions
diff --git a/src/assets/shaders/test/frag.glsl b/src/assets/shaders/test/frag.glsl
new file mode 100644
index 0000000..a52aa15
--- /dev/null
+++ b/src/assets/shaders/test/frag.glsl
@@ -0,0 +1,23 @@
+// uniform int has_normal_map;
+// uniform sampler2D normal_map;
+
+uniform sampler2D texture_data;
+
+void main()
+{
+    vec2 inverted_texcoord = vec2(vertex_texcoord.x, 1.0 - vertex_texcoord.y);
+    vec4 texel = texture(texture_data, inverted_texcoord);
+    if (texel.a != 1.0) {
+        discard;
+    }
+
+    // mat3 tbn = compute_tbn();
+    // vec3 normal = has_normal_map != 0
+    //     ? normalize(tbn * (texture(normal_map, inverted_texcoord).xyz * 2.0 - 1.0))
+    //     : normalize(vertex_normal);
+    vec3 normal = normalize(vertex_normal);
+
+    vec3 lighting = compute_lighting_noshadow(normal);
+
+    frag_color = vec4(texel.rgb * lighting, texel.a);
+}