From 9bb07a21660982f5ae809d8e48641699ba3f3b05 Mon Sep 17 00:00:00 2001
From: "hunter@kvog.sh" <hunter@kvog.sh>
Date: Thu, 5 Feb 2026 21:17:07 -0600
Subject: shaders/subpixel

---
 shaders/subpixel.cc | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 shaders/subpixel.cc

(limited to 'shaders/subpixel.cc')

diff --git a/shaders/subpixel.cc b/shaders/subpixel.cc
new file mode 100644
index 0000000..73a5d51
--- /dev/null
+++ b/shaders/subpixel.cc
@@ -0,0 +1,22 @@
+#include "shaders.hh"
+
+static float u_quad[2] = { 256.0f, 2.0f };
+
+static void ui()
+{
+  ImGui::SliderFloat("quad width", &u_quad[0], 1.0f, 512.0f);
+  ImGui::SliderFloat("quad height", &u_quad[1], 1.0f, 512.0f);
+}
+
+static void uniforms(Shader* shader)
+{
+  GL(glUniform2fv(shader->get_required_uniform("u_quad"), 1, u_quad));
+}
+
+static Shader subpixel = {
+  .path   = "subpixel.glsl",
+  .model  = MODEL_QUAD,
+  .ui_fn  = ui,
+  .uf_fn  = uniforms,
+};
+ENABLE_SHADER(subpixel);
-- 
cgit v1.2.3