SDL: gpu/d3d12: Acknowledge that we've bound vertex buffers (#13088)

SDL Commits
1 
From c08b1049d3064af32b876432e766d473f61442e2 Mon Sep 17 00:00:00 2001
From: Anthony Fisher <[EMAIL REDACTED]>
Date: Tue, 20 May 2025 16:34:04 -0400
Subject: [PATCH] gpu/d3d12: Acknowledge that we've bound vertex buffers
 (#13088)

---
 src/gpu/d3d12/SDL_gpu_d3d12.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/gpu/d3d12/SDL_gpu_d3d12.c b/src/gpu/d3d12/SDL_gpu_d3d12.c
index 4cb8df5c58c06..cc4f1b66a818d 100644
--- a/src/gpu/d3d12/SDL_gpu_d3d12.c
+++ b/src/gpu/d3d12/SDL_gpu_d3d12.c
@@ -4957,6 +4957,8 @@ static void D3D12_INTERNAL_BindGraphicsResources(
             0,
             commandBuffer->vertexBufferCount,
             vertexBufferViews);
+
+        commandBuffer->needVertexBufferBind = false;
     }
 
     if (commandBuffer->needVertexSamplerBind) {