texture rendering working, but colors are broken

src/mandelbrot.c

 #include <SDL2/SDL_events.h>
+#include <SDL2/SDL_pixels.h>
 #include <SDL2/SDL_render.h>
 #include <SDL2/SDL_scancode.h>
 #include <SDL2/SDL_surface.h>
@@ -80,6 +81,32 @@ calculate_set(Array *arr, int height, int width, ViewInfo view)
     }
 }
 
+
+void 
+update_texture(App *app, Array *arr) {
+    void *pixels;
+    int pitch;
+    
+    if (SDL_LockTexture(app->texture, NULL, &pixels, &pitch) != 0) {
+        fprintf(stderr, "Failed to lock texture: %s\n", SDL_GetError());
+        return;
+    }
+    
+    uint32_t *dst = pixels;
+    Color *src = arr->pointer;
+    
+    for (int y = 0; y < app->win_height; y++) {
+        for (int x = 0; x < app->win_width; x++) {
+            Color c = src[x * app->win_height + y];
+            // Convert RGB to RGBA8888 format
+            *dst++ = (c.b << 0) | (c.g << 8) | (c.r << 16) | (255 << 24);
+        }
+        dst += pitch / sizeof(uint32_t) - app->win_width;
+    }
+    
+    SDL_UnlockTexture(app->texture);
+}
+
 void 
 render_cl(Array *arr, App *app, ViewInfo view) {
     
@@ -91,18 +118,10 @@ render_cl(Array *arr, App *app, ViewInfo view) {
         arr->size = app->win_height * app->win_width * sizeof(Color);
     }
     calculate_set(arr, app->win_height, app->win_width, view); 
+    
+    update_texture(app, arr);
 
-    for (int x = 0; x < app->win_width; x++) {
-        for (int y = 0; y < app->win_height; y++) {
-        SDL_SetRenderDrawColor(app->renderer, 
-                arr->pointer[x * app->win_height + y].r,
-                arr->pointer[x * app->win_height + y].g,
-                arr->pointer[x * app->win_height + y].b,
-                255);
-        SDL_RenderDrawPoint(app->renderer, x, y);
-        }
-    }
-   
+    SDL_RenderCopy(app->renderer, app->texture, NULL, NULL);
 }
 
 
@@ -156,6 +175,10 @@ main(void)
         SDL_CreateRenderer(app.window, 
                 -1, 
                 SDL_RENDERER_ACCELERATED),
+        SDL_CreateTexture(app.renderer, 
+                SDL_PIXELFORMAT_RGBA8888,
+                SDL_TEXTUREACCESS_STREAMING,
+                SCREEN_WIDTH, SCREEN_HEIGHT),
         SCREEN_HEIGHT,
         SCREEN_WIDTH
             };

src/mandelbrot.h

@@ -2,6 +2,7 @@
 #define MANDELBROT_H
 
 #include <SDL2/SDL.h>
+#include <SDL2/SDL_render.h>
 
 #define SCREEN_WIDTH 640
 #define SCREEN_HEIGHT 480
@@ -15,6 +16,7 @@ typedef struct {
 typedef struct{
     SDL_Window *window;
     SDL_Renderer *renderer;
+    SDL_Texture *texture;
     int win_height;
     int win_width;
 } App ;