init commit

third_party/imgui/backends/vulkan/glsl_shader.frag

@@ -0,0 +1,15 @@
+#version 450 core
+layout(location = 0) out vec4 fColor;
+
+layout(set=0, binding=0) uniform texture2D _Texture;
+layout(set=1, binding=0) uniform sampler _Sampler;
+
+layout(location = 0) in struct {
+    vec4 Color;
+    vec2 UV;
+} In;
+
+void main()
+{
+    fColor = In.Color * texture(sampler2D(_Texture, _Sampler), In.UV.st);
+}