libobs-d3d11: Set acquired bool when texture acquired

This is used when the device needs to be rebuilt.  Ensures that the
texture doesn't get locked again if the texture is rebuilt.

libobs-d3d11/d3d11-subsystem.cpp

@@ -2222,22 +2222,26 @@ extern "C" EXPORT uint32_t device_texture_get_shared_handle(gs_texture_t *tex)
 	return tex2d->isShared ? tex2d->sharedHandle : GS_INVALID_HANDLE;
 }
 
-extern "C" EXPORT int device_texture_acquire_sync(gs_texture_t *tex,
-		uint64_t key, uint32_t ms)
+int device_texture_acquire_sync(gs_texture_t *tex, uint64_t key, uint32_t ms)
 {
 	gs_texture_2d *tex2d = reinterpret_cast<gs_texture_2d *>(tex);
 	if (tex->type != GS_TEXTURE_2D)
 		return -1;
 
+	if (tex2d->acquired)
+		return 0;
+
 	ComQIPtr<IDXGIKeyedMutex> keyedMutex(tex2d->texture);
 	if (!keyedMutex)
 		return -1;
 
 	HRESULT hr = keyedMutex->AcquireSync(key, ms);
-	if (hr == S_OK)
+	if (hr == S_OK) {
+		tex2d->acquired = true;
 		return 0;
-	else if (hr == WAIT_TIMEOUT)
+	} else if (hr == WAIT_TIMEOUT) {
 		return ETIMEDOUT;
+	}
 
 	return -1;
 }
@@ -2249,12 +2253,20 @@ extern "C" EXPORT int device_texture_release_sync(gs_texture_t *tex,
 	if (tex->type != GS_TEXTURE_2D)
 		return -1;
 
+	if (!tex2d->acquired)
+		return 0;
+
 	ComQIPtr<IDXGIKeyedMutex> keyedMutex(tex2d->texture);
 	if (!keyedMutex)
 		return -1;
 
 	HRESULT hr = keyedMutex->ReleaseSync(key);
-	return hr == S_OK ? 0 : -1;
+	if (hr == S_OK) {
+		tex2d->acquired = false;
+		return 0;
+	}
+
+	return -1;
 }
 
 extern "C" EXPORT bool device_texture_create_nv12(gs_device_t *device,

libobs-d3d11/d3d11-subsystem.hpp

@@ -358,6 +358,7 @@ struct gs_texture_2d : gs_texture {
 	gs_texture_2d   *pairedNV12texture = nullptr;
 	bool            nv12 = false;
 	bool            chroma = false;
+	bool            acquired = false;
 
 	vector<vector<uint8_t>> data;
 	vector<D3D11_SUBRESOURCE_DATA> srd;
@@ -862,3 +863,6 @@ struct gs_device {
 	gs_device(uint32_t adapterIdx);
 	~gs_device();
 };
+
+extern "C" EXPORT int device_texture_acquire_sync(gs_texture_t *tex,
+		uint64_t key, uint32_t ms);

libobs-d3d11/d3d11-texture2d.cpp

@@ -150,6 +150,7 @@ void gs_texture_2d::InitTexture(const uint8_t **data)
 				}
 
 				km->AcquireSync(0, INFINITE);
+				acquired = true;
 			}
 		}
 	}