From 24431926e03586f4ec9b20dcb676ab0ad4673bde Mon Sep 17 00:00:00 2001
From: Francesco Cozzuto <francesco.cozzuto@gmail.com>
Date: Wed, 9 Oct 2024 00:47:45 +0200
Subject: [PATCH] Add --init-scale option

---
 Makefile   |  4 ++--
 src/main.c | 15 +++++++++++++--
 2 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/Makefile b/Makefile
index 7498488..c6ad5aa 100644
--- a/Makefile
+++ b/Makefile
@@ -1,13 +1,13 @@
 
 ifeq ($(OS),Windows_NT)
     EXT = .exe
-	CFLAGS = -O2 -ggdb -I3p/glad/include -I3p/glfw-3.4.bin.WIN64/include -L3p/glfw-3.4.bin.WIN64/lib-mingw-w64
+	CFLAGS = -O2 -DNDEBUG -I3p/glad/include -I3p/glfw-3.4.bin.WIN64/include -L3p/glfw-3.4.bin.WIN64/lib-mingw-w64
 	LDFLAGS = -lglfw3 -lopengl32 -lgdi32
 else
     UNAME_S := $(shell uname -s)
     ifeq ($(UNAME_S),Linux)
         EXT =
-		CFLAGS = -O2 -ggdb -I3p/glad/include -fsanitize=thread,undefined
+		CFLAGS = -O2 -DNDEBUG -I3p/glad/include
 		LDFLAGS = -lglfw -lm
     endif
     ifeq ($(UNAME_S),Darwin)
diff --git a/src/main.c b/src/main.c
index b07e8de..44a72d2 100644
--- a/src/main.c
+++ b/src/main.c
@@ -881,8 +881,20 @@ void update_frame_texture(void)
 int main(int argc, char **argv)
 {
 	num_columns = -1;
+	init_scale = 8;
 	for (int i = 1; i < argc; i++) {
-		if (!strcmp(argv[i], "--threads")) {
+		if (!strcmp(argv[i], "--init-scale")) {
+			i++;
+			if (i == argc) {
+				fprintf(stderr, "Error: --threads option is missing the count\n");
+				return -1;
+			}
+			init_scale = atoi(argv[i]);
+			if (init_scale != 1 && init_scale != 2 && init_scale != 4 && init_scale != 8 && init_scale != 16) {
+				fprintf(stderr, "Error: Invalid value for --init-scale. It must be a power of 2 between 1 and 16 (included)\n");
+				return -1;
+			}
+		} else if (!strcmp(argv[i], "--threads")) {
 			i++;
 			if (i == argc) {
 				fprintf(stderr, "Error: --threads option is missing the count\n");
@@ -903,7 +915,6 @@ int main(int argc, char **argv)
 	}
 	if (num_columns > MAX_COLUMNS)
 		num_columns = MAX_COLUMNS;
-	init_scale = 8;
 
 #if 0