Got basic code to set pixels up

c3d.c

@@ -1,24 +1,44 @@
 #include <stdio.h>
 #include "raylib.h"
 
+const int RENDERWIDTH = 1920;
+const int RENDERHEIGHT = 1080;
+
+const int SCREENWIDTH = 1280;
+const int SCREENHEIGHT = 720;
+
+const float WIDTHSCALE = (float)RENDERWIDTH / SCREENWIDTH;
+const float HEIGHTSCALE = (float) RENDERHEIGHT / SCREENHEIGHT;
+
 int main() {
         SetConfigFlags(FLAG_WINDOW_UNDECORATED);
-    InitWindow(800, 450, "raylib [core] example - basic window");
+	InitWindow(SCREENWIDTH, SCREENHEIGHT, "raylib [core] example - basic window");
 
     // SetWindowPosition(0,1080);
     Vector2 a = GetMonitorPosition(0);
     int mh = GetMonitorHeight(0);
     int mw = GetMonitorWidth(0);
-    int w = 800;
+    int w = SCREENWIDTH;
-    int h = 450;
+    int h = SCREENHEIGHT;
     printf("mh:%d mw:%d w:%d h:%d\n", mh, mw, w, h);
     SetWindowPosition(a.x + (0.5 * mw) - (w / 2), a.y + (0.5 * mh) - (0.5 * h));
+
+    RenderTexture2D renderTexture = LoadRenderTexture(RENDERWIDTH,RENDERHEIGHT);
+    
+    
     while (!WindowShouldClose()) {
-        BeginDrawing();
+        BeginTextureMode(renderTexture);
-        ClearBackground(RAYWHITE);
+        ClearBackground(WHITE);
         DrawText("Congrats! You created your first window!", 190, 200, 20,
-                 LIGHTGRAY);
+                 BLACK);
+        EndTextureMode();
+
+	//Copytexture to main display :0
+
+	BeginDrawing();
+	DrawTexturePro(renderTexture.texture, (Rectangle){0,0,renderTexture.texture.width,-renderTexture.texture.height},(Rectangle){0,0,SCREENWIDTH,SCREENHEIGHT},(Vector2){0,0},0,WHITE);
 	EndDrawing();
+	
     }
 
     CloseWindow();