shaders: Refactor

1 files changed, 31 insertions, 0 deletions

diff --git a/shaders/aero.cc b/shaders/aero.cc
new file mode 100644
index 0000000..8b7e27b
--- /dev/null
+++ b/shaders/aero.cc
@@ -0,0 +1,31 @@
+#include "shaders.hh"
+
+static int u_checker = 16;
+static float u_checker_c1[4] = { 0.9f, 0.9f, 0.9f, 1.0f };
+static float u_checker_c2[4] = { 1.0f, 1.0f, 1.0f, 1.0f };
+static float u_ww = 500;
+static float u_wh = 400;
+
+static void ui()
+{
+  ImGui::InputInt("Checker", &u_checker);
+  ImGui::SliderFloat("window w", &u_ww, 10, 1000);
+  ImGui::SliderFloat("window h", &u_wh, 10, 1000);
+}
+
+static void uniforms(Shader* shader)
+{
+  GL(glUniform1i(shader->get_required_uniform("u_checker"), u_checker));
+  GL(glUniform4fv(shader->get_required_uniform("u_checker_c1"), 1, u_checker_c1));
+  GL(glUniform4fv(shader->get_required_uniform("u_checker_c2"), 1, u_checker_c2));
+  GL(glUniform1f(shader->get_required_uniform("u_ww"), u_ww));
+  GL(glUniform1f(shader->get_required_uniform("u_wh"), u_wh));
+}
+
+static Shader aero = {
+  .path   = "aero.glsl",
+  .model  = MODEL_QUAD,
+  .ui_fn  = ui,
+  .uf_fn  = uniforms,
+};
+ENABLE_SHADER(aero);