Util to read shader file content

1 files changed, 31 insertions, 0 deletions

diff --git a/src/utils.cpp b/src/utils.cpp
new file mode 100644
index 0000000..9aaf93a
--- /dev/null
+++ b/src/utils.cpp
@@ -0,0 +1,31 @@
+#include "utils.hpp"
+
+#include <cstdio>
+#include <cstring>
+#include <iostream>
+
+std::vector<uint8_t> get_shader_code(const char* path) {
+    FILE* f = fopen(path, "r");
+
+    if (f == nullptr) {
+        std::cerr << "Cannot open compute shader file !" << std::endl;
+        return {};
+    }
+
+    if (fseek(f, 0, SEEK_END) != 0) {
+        return {};
+    }
+
+    std::vector<uint8_t> shader_code(ftell(f));
+
+    if (fseek(f, 0, SEEK_SET) != 0) {
+        return {};
+    }
+
+    if (fread(shader_code.data(), sizeof(uint8_t), shader_code.size(), f) != shader_code.size()) {
+        std::cerr << "Reading shader code failed" << std::endl;
+        return {};
+    }
+
+    return shader_code;
+}