From 9a831cb20654c4322f9cae9b005165313d2a47b6 Mon Sep 17 00:00:00 2001
From: adityaraj <75035219+pegvin@users.noreply.github.com>
Date: Thu, 12 Jan 2023 05:23:23 +0530
Subject: [PATCH] Create Renderer Only When It Doesn't Exist (#1315)

---
 src/renwindow.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/src/renwindow.c b/src/renwindow.c
index c381e772..468bcaf9 100644
--- a/src/renwindow.c
+++ b/src/renwindow.c
@@ -10,7 +10,7 @@ static int query_surface_scale(RenWindow *ren) {
   SDL_GetWindowSize(ren->window, &w_points, &h_points);
   /* We consider that the ratio pixel/point will always be an integer and
      it is the same along the x and the y axis. */
-     
+
   #if defined(__amigaos4__) || defined(__morphos__)
   // This is a workaround when the w_pixels != w_points and h_pixels != h_points
   // because of redraw delays, especially when the "Resize with contents" is enabled
@@ -21,7 +21,7 @@ static int query_surface_scale(RenWindow *ren) {
     h_pixels = h_points;
   }
   #endif
-     
+
   assert(w_pixels % w_points == 0 && h_pixels % h_points == 0 && w_pixels / w_points == h_pixels / h_points);
   return w_pixels / w_points;
 }
@@ -29,11 +29,12 @@ static int query_surface_scale(RenWindow *ren) {
 static void setup_renderer(RenWindow *ren, int w, int h) {
   /* Note that w and h here should always be in pixels and obtained from
      a call to SDL_GL_GetDrawableSize(). */
-  if (ren->renderer) {
-    SDL_DestroyTexture(ren->texture);
-    SDL_DestroyRenderer(ren->renderer);
+  if (!ren->renderer) {
+    ren->renderer = SDL_CreateRenderer(ren->window, -1, 0);
+  }
+  if (ren->texture) {
+    SDL_DestroyTexture(ren->texture);
   }
-  ren->renderer = SDL_CreateRenderer(ren->window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
   ren->texture = SDL_CreateTexture(ren->renderer, SDL_PIXELFORMAT_BGRA32, SDL_TEXTUREACCESS_STREAMING, w, h);
   ren->surface_scale = query_surface_scale(ren);
 }