From a32693507fb244c6bbc90e20a04128017470f839 Mon Sep 17 00:00:00 2001
From: Kevin Schlosser <kdschlosser@users.noreply.github.com>
Date: Sun, 22 Dec 2024 21:11:13 -0700
Subject: [PATCH] Adds rotation to SDL driver

---
 ext_mod/lcd_bus/rotate.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/ext_mod/lcd_bus/rotate.c b/ext_mod/lcd_bus/rotate.c
index 5d818864..ed345057 100644
--- a/ext_mod/lcd_bus/rotate.c
+++ b/ext_mod/lcd_bus/rotate.c
@@ -119,6 +119,8 @@ void rotate_8bpp(uint8_t *src, uint8_t *dst, rotation_data_t *data)
     uint32_t src_bytes_per_line = x_end - x_start + 1;
     uint32_t offset = y_start * src_bytes_per_line + x_start;
 
+    uint32_t dst_width_minus_one = dst_width - 1;
+
     switch (data->rotation) {
         case ROTATION_90:
             dst_height--;
@@ -151,8 +153,6 @@ void rotate_8bpp(uint8_t *src, uint8_t *dst, rotation_data_t *data)
 
         // SWAP_XY   MIRROR_X
         case ROTATION_270:
-            uint32_t dst_width_minus_one = dst_width - 1;
-
             for (uint32_t y=y_start;y<y_end;y++) {
                 i = y * src_bytes_per_line - offset;
                 dst_height = dst_width_minus_one - y;
@@ -185,6 +185,8 @@ void rotate_16bpp(uint16_t *src, uint16_t *dst, rotation_data_t *data)
     uint32_t src_bytes_per_line = x_end - x_start + 1;
     uint32_t offset = y_start * src_bytes_per_line + x_start;
 
+    uint32_t dst_width_minus_one = dst_width - 1;
+
     switch (data->rotation) {
         case ROTATION_90:
             dst_height--;
@@ -217,8 +219,6 @@ void rotate_16bpp(uint16_t *src, uint16_t *dst, rotation_data_t *data)
 
         // SWAP_XY   MIRROR_X
         case ROTATION_270:
-            uint32_t dst_width_minus_one = dst_width - 1;
-
             for (uint32_t y=y_start;y<y_end;y++) {
                 i = y * src_bytes_per_line - offset;
                 dst_height = dst_width_minus_one - y;
@@ -316,6 +316,8 @@ void rotate_32bpp(uint32_t *src, uint32_t *dst, rotation_data_t *data)
     uint32_t src_bytes_per_line = x_end - x_start + 1;
     uint32_t offset = y_start * src_bytes_per_line + x_start;
 
+    uint32_t dst_width_minus_one = dst_width - 1;
+
     switch (data->rotation) {
         case ROTATION_90:
             dst_height--;
@@ -348,8 +350,6 @@ void rotate_32bpp(uint32_t *src, uint32_t *dst, rotation_data_t *data)
 
         // SWAP_XY   MIRROR_X
         case ROTATION_270:
-            uint32_t dst_width_minus_one = dst_width - 1;
-
             for (uint32_t y=y_start;y<y_end;y++) {
                 i = y * src_bytes_per_line - offset;
                 dst_height = dst_width_minus_one - y;