push constants

tests/shaders/frag4.glsl

@@ -0,0 +1,11 @@
+#version 450
+
+layout(location = 0) out vec4 f_color;
+
+layout(push_constant) uniform PushConstantData {
+    float time;
+} pc;
+
+void main() {
+  f_color = vec4(pc.time, 0.5, 1.0, 1.0);
+}

tests/shaders/vert4.glsl

@@ -0,0 +1,10 @@
+#version 450
+
+layout(location = 0) in vec2 position;
+
+void main() {
+  vec2 p = position;
+  p.x += 0.2;
+  gl_Position = vec4(p, 0.0, 1.0);
+}
+