memory refactor Texture and ImageData

src/graphics/core/Batch3D.cpp

@@ -20,10 +20,11 @@ Batch3D::Batch3D(size_t capacity)
     mesh = std::make_unique<Mesh>(buffer.get(), 0, attrs);
     index = 0;
 
-    ubyte pixels[] = {
+    const ubyte pixels[] = {
         255, 255, 255, 255,
     };
-    blank = std::make_unique<Texture>(pixels, 1, 1, ImageFormat::rgba8888);
+    ImageData image(ImageFormat::rgba8888, 1, 1, pixels);
+    blank = Texture::from(&image);
     currentTexture = nullptr;
 }