Updated source, now the program replaces the red color with a yellow color through texture in SDL

src/main.c

@@ -4,10 +4,14 @@
 #include <SDL2/SDL.h>
 
 bool is_running = false;
+
 SDL_Window* window = NULL;
 SDL_Renderer* renderer = NULL;
+
 // Also known as frame buffer in other books, pointer to an array of color_buffer
 uint32_t* color_buffer = NULL;
+SDL_Texture* color_buffer_texture = NULL;
+
 int window_width = 800;
 int window_height = 600;
 
@@ -17,6 +21,7 @@ bool initialize_window(void) {
 	return false;
 	
     }
+
     // Create a SDL window 
     window = SDL_CreateWindow(
 	NULL,
@@ -42,9 +47,17 @@ bool initialize_window(void) {
 }
 
 void setup(void){
-
-    // Allocates the memory required for color_buffer, using sizeof to allocate the # of bytes required
+    // Allocates the memory in bytes required to hold for color_buffer, using sizeof to allocate the # of bytes required
     color_buffer = (uint32_t*) malloc(sizeof(uint32_t) * window_width * window_height);
+
+    // Creating a SDL texture that is used to display the color buffer
+    color_buffer_texture = SDL_CreateTexture(
+	    renderer,
+	    SDL_PIXELFORMAT_ARGB8888,
+	    SDL_TEXTUREACCESS_STREAMING,
+	    window_width,
+	    window_height
+	    );
 }
 
 void process_input(void){
@@ -65,6 +78,16 @@ void update(void){
     //TODO
 }
 
+void render_color_buffer(void){
+    SDL_UpdateTexture(
+	    color_buffer_texture,
+	    NULL,
+	    color_buffer,
+	    (int)(window_width * sizeof(uint32_t))
+    );
+    SDL_RenderCopy(renderer, color_buffer_texture, NULL, NULL);
+}
+
 void clear_color_buffer(uint32_t color){
     for (int y = 0; y < window_height; y++){
 	for (int x = 0; x < window_width; x++){
@@ -76,7 +99,9 @@ void clear_color_buffer(uint32_t color){
 void render(void){
     SDL_SetRenderDrawColor(renderer, 255, 0, 0, 255);
     SDL_RenderClear(renderer);
-    
+   
+    render_color_buffer();
+
     clear_color_buffer(0xFFFFFF00);
 
     SDL_RenderPresent(renderer);