Works with structure input

examples/01-basic_usage.cpp

@@ -19,7 +19,7 @@ int main()
     const std::string shader_path{"../examples/shader/headless.comp.spv"};  // suppose we run this program on build dir
 
     // std::vector<int> in_data{1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5, 6, 7};
-    std::vector<int> in_data{7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7};
+    std::vector<int> in_data{3, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7};
     std::vector<int> out_data(in_data.size());
 
     cov::App::init("HelloCOV");

examples/shader/headless.comp

@@ -1,15 +1,16 @@
 #version 450
 
 layout(set = 0, binding = 0) buffer Pos {
-   uint in_values[ ];
+	uint length;
+   	uint in_values[ ];
 };
 
 layout(set = 1, binding = 0) buffer Pos1 {
-   uint in_values1[ ];
+   	uint in_values1[ ];
 };
 
 layout(set = 2, binding = 0) buffer Pos2 {
-   uint out_values[ ];
+   	uint out_values[ ];
 };
 
 layout (local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
@@ -33,7 +34,7 @@ uint fibonacci(uint n) {
 void main() 
 {
 	uint index = gl_GlobalInvocationID.x;
-	if (index >= BUFFER_ELEMENTS) 
+	if (index >= length) 
 		return;	
 	out_values[index] = fibonacci(in_values[index]);
 }