feat: replace triangle test by cube

scripts/glsl2c.py

@@ -0,0 +1,49 @@
+#!/usr/bin/env python3
+
+import sys
+from pathlib import Path
+
+line: int = 12
+
+
+def write_binary(content: bytes) -> str:
+    text = ""
+    for i, byte in enumerate(content):
+        if i % line == 0:
+            text += "\t"
+        text += f"0x{byte:02x}, "
+        if (i + 1) % line == 0:
+            text += "\n"
+    text += "0x00\n"
+    return text
+
+
+def main() -> int:
+    # check arguments
+    if len(sys.argv) < 2 or len(sys.argv) > 3:
+        print("glsl2c.py <shader_file> [output_c_file]")
+        return 1
+
+    src = Path(sys.argv[1])
+
+    if not src.suffix.endswith((".glsl", ".frag", ".vert")):
+        print(f"file error: cannot convert {src.suffix} to .c file")
+        return 1
+
+    dst = Path(sys.argv[2]) if len(sys.argv) == 3 else src.with_suffix(".c")
+
+    # variable name
+    varname = f"{src.stem}_{src.suffix[1:]}".upper()
+
+    # read binary
+    content = src.read_bytes()
+
+    with open(dst, "w") as f:
+        f.write(
+            f"const unsigned char {varname}[] = {{\n{write_binary(content)}}};\n")
+        f.write(f"const unsigned int {varname}_LEN = {len(content)};\n")
+    return 0
+
+
+if __name__ == "__main__":
+    sys.exit(main())