#version 310 es

mat2x4 m = mat2x4(vec4(0.0f, 1.0f, 2.0f, 3.0f), vec4(4.0f, 5.0f, 6.0f, 7.0f));
layout(binding = 0, std430) buffer tint_symbol_block_ssbo {
  mat2x4 inner;
} tint_symbol;

void f() {
  tint_symbol.inner = mat2x4(m);
}

layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
void main() {
  f();
  return;
}
