From ca30c29c06ea77ca5c231e5d4365804f6eb2c289 Mon Sep 17 00:00:00 2001
From: a dinosaur <dino@a-dinosaur.com>
Date: Sat, 31 May 2025 18:53:50 +1000
Subject: [PATCH] c: Fix transfer buffer size

---
 src/c/lesson9.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/c/lesson9.c b/src/c/lesson9.c
index 4030554..0426ce0 100644
--- a/src/c/lesson9.c
+++ b/src/c/lesson9.c
@@ -178,7 +178,7 @@ static bool Lesson9_Init(NeHeContext* ctx)
 	instanceXferBuffer = SDL_CreateGPUTransferBuffer(ctx->device, &(const SDL_GPUTransferBufferCreateInfo)
 	{
 		.usage = SDL_GPU_TRANSFERBUFFERUSAGE_UPLOAD,
-		.size = sizeof(Instance) * numStars
+		.size = sizeof(Instance) * 2 * numStars
 	});
 	if (!instanceXferBuffer)
 	{