Added Astaroth 2.0

src/core/device.cuh

@@ -0,0 +1,82 @@
+/*
+    Copyright (C) 2014-2018, Johannes Pekkilae, Miikka Vaeisalae.
+
+    This file is part of Astaroth.
+
+    Astaroth is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    Astaroth is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with Astaroth.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file
+ * \brief Brief info.
+ *
+ * Detailed info.
+ *
+ */
+#pragma once
+#include "astaroth.h"
+
+typedef enum {
+  STREAM_PRIMARY,
+  STREAM_SECONDARY,
+  NUM_STREAM_TYPES,
+  STREAM_ALL
+} StreamType;
+
+typedef struct device_s* Device; // Opaque pointer to device_s. Analogous to dispatchable handles
+                                 // in Vulkan, f.ex. VkDevice
+
+/** */
+AcResult printDeviceInfo(const Device device);
+
+/** */
+AcResult createDevice(const int id, const AcMeshInfo device_config, Device* device);
+
+/** */
+AcResult destroyDevice(Device device);
+
+/** */
+AcResult boundcondStep(const Device device, const StreamType stream_type,
+                       const int3& start, const int3& end);
+
+/** */
+AcResult reduceScal(const Device device);
+
+/** */
+AcResult reduceVec(const Device device);
+
+/** */
+AcResult rkStep(const Device device, const StreamType stream_type, const int step_number,
+                const int3& start, const int3& end, const AcReal dt);
+
+/** Sychronizes the device with respect to stream_type. If STREAM_ALL is given as
+    a StreamType, the function synchronizes all streams on the device. */
+AcResult synchronize(const Device device, const StreamType stream_type);
+
+/** */
+AcResult copyMeshToDevice(const Device device, const StreamType stream_type,
+                          const AcMesh& host_mesh, const int3& src, const int3& dst,
+                          const int num_vertices);
+
+/** */
+AcResult copyMeshToHost(const Device device, const StreamType stream_type,
+                        const int3& src, const int3& dst, const int num_vertices,
+                        AcMesh* host_mesh);
+
+/** */
+AcResult copyMeshDeviceToDevice(const Device src, const StreamType stream_type, const int3& src_idx,
+                                Device dst, const int3& dst_idx, const int num_vertices);
+
+/** Swaps the input/output buffers used in computations */
+AcResult swapBuffers(const Device device);