diff --git a/src/gpu/gpu_core.h b/src/gpu/gpu_core.h
index ad23f2a6..039ccae0 100644
--- a/src/gpu/gpu_core.h
+++ b/src/gpu/gpu_core.h
@@ -419,8 +419,8 @@ void GPU_ReleaseSwapchain(GPU_Swapchain *swapchain);
  * This should be called before rendering for minimum latency. */
 void GPU_YieldOnSwapchain(GPU_Swapchain *swapchain);
 
-/* 1. Ensures the backbuffer size matches `backbuffer_size`
- * 2. Blits `texture` into position `dst` in the backbuffer
+/* 1. Recreates backbuffer at desired size if necessary
+ * 2. Blits the source texture into the backbuffer
  * 3. Presents the backbuffer
- * 4. Returns the value that the Direct queue fence will reach once GPU completes blitting (`texture` shouldn't be released while blit is in flight) */
-i64 GPU_PresentSwapchain(GPU_Swapchain *swapchain, GpuPointer texture, i32 vsync, Vec2I32 backbuffer_size, Vec2I32 dst_p0, Vec2I32 dst_p1, Vec2I32 src_p0, Vec2I32 src_p1, Vec4 clear_color);
+ */
+void GPU_PresentSwapchain(GPU_Swapchain *swapchain, Vec2I32 dst_size, Rng2I32 dst_range, GpuPointer src, Vec2I32 src_pos, i32 vsync, Vec4 clear_color);