First pass for rewriting the build system

* Refactored all CMake files
* Started working on compiling shaders to header files in CMake

Signed-off-by: Fabian Sauter <sauter.fabian@mailbox.org>

test/shaders/Utils.cpp

@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: Apache-2.0
+
+#include "Utils.hpp"
+#include <cstdint>
+#include <fstream>
+#include <iostream>
+#include <string>
+#include <vector>
+
+std::vector<uint32_t>
+compileSource(const std::string& source)
+{
+    std::ofstream fileOut("tmp_kp_shader.comp");
+    fileOut << source;
+    fileOut.close();
+    if (system(
+          std::string(
+            "glslangValidator -V tmp_kp_shader.comp -o tmp_kp_shader.comp.spv")
+            .c_str())) {
+        throw std::runtime_error("Error running glslangValidator command");
+    }
+    std::ifstream fileStream("tmp_kp_shader.comp.spv", std::ios::binary);
+    std::vector<char> buffer;
+    buffer.insert(
+      buffer.begin(), std::istreambuf_iterator<char>(fileStream), {});
+    return { reinterpret_cast<uint32_t*>(buffer.data()),
+             reinterpret_cast<uint32_t*>(buffer.data() + buffer.size()) };
+}