From 4db50f3f7309c7e0041c0795ea0070a5653ac97f Mon Sep 17 00:00:00 2001
From: Carlos Sanchez <randomouscrap98@aol.com>
Date: Mon, 22 Jul 2024 20:49:30 -0400
Subject: [PATCH] Manual loop unrolling

---
 main.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/main.c b/main.c
index d7eace9..a1cd6d4 100644
--- a/main.c
+++ b/main.c
@@ -68,9 +68,9 @@ void drawTexInto(struct texture tex, struct texture buffer, struct rect texbound
          i32 bufi = 3 * (x + buffer.width * y);
          // You can get rid of this for loop for more performance, but probably
          // not a big deal with -O3, it'll be unrolled
-         for(int i = 0; i < 3; i++) {
-            buffer.data[bufi + i] = tex.data[texi + i];
-         }
+         buffer.data[bufi] = tex.data[texi];
+         buffer.data[bufi + 1] = tex.data[texi + 1];
+         buffer.data[bufi + 2] = tex.data[texi + 2];
          texx += stepx;
       }
       texy += stepy;
@@ -98,10 +98,10 @@ int main() {
 
    // We actually stretch a texture here
    struct rect texrect = { 0, 0, 16, 16 };
-   struct rect bufrect = { 10, 13, 502, 509 };
+   struct rect bufrect = { 10, 10, 26, 26 };
 
    clock_t start = clock();
-   for(int i = 0; i < 50; i++) { //overdraw factor
+   for(int i = 0; i < 50000; i++) { //overdraw factor
       drawTexInto(tex, fb, texrect, bufrect);
    }
    clock_t end = clock();