REVIEWED: Scissor mode to support RenderTexture #3510

Author: raysan5

src/rcore.c

@@ -1088,22 +1088,20 @@ void BeginScissorMode(int x, int y, int width, int height)
 
     rlEnableScissorTest();
 
-    GLint id = 0;
-    glGetIntegerv(GL_FRAMEBUFFER_BINDING, &id); // Test for render texture
 #if defined(__APPLE__)
-    if(!id)
+    if (CORE.Window.usingFbo)
     {
         Vector2 scale = GetWindowScaleDPI();
         rlScissor((int)(x*scale.x), (int)(GetScreenHeight()*scale.y - (((y + height)*scale.y))), (int)(width*scale.x), (int)(height*scale.y));
     }
 #else
-    if (!id && (CORE.Window.flags & FLAG_WINDOW_HIGHDPI) > 0)
+    if (CORE.Window.usingFbo && ((CORE.Window.flags & FLAG_WINDOW_HIGHDPI) > 0))
     {
         Vector2 scale = GetWindowScaleDPI();
         rlScissor((int)(x*scale.x), (int)(CORE.Window.currentFbo.height - (y + height)*scale.y), (int)(width*scale.x), (int)(height*scale.y));
     }
 #endif
-    else
+    else 
     {
         rlScissor(x, CORE.Window.currentFbo.height - (y + height), width, height);
     }