restructure

1 files changed, 17 insertions, 0 deletions

diff --git a/advanced_opengl/3.blending/shaders/grass.fs b/advanced_opengl/3.blending/shaders/grass.fs
new file mode 100644
index 0000000..cecb0ce
--- /dev/null
+++ b/advanced_opengl/3.blending/shaders/grass.fs
@@ -0,0 +1,17 @@
+#version 330 core
+
+out vec4 frag_color;
+
+in vec2 tex_coords;
+
+uniform sampler2D texture1;
+
+void
+main(void)
+{
+    vec4 tex_color = texture(texture1, tex_coords);
+    if (tex_color.a <= 0.2) {
+        discard;
+    }
+    frag_color = tex_color;
+}