From a68d3c982ed0dd4ef5bbc9e0c22b9ecf9565b924 Mon Sep 17 00:00:00 2001
From: uphantom <dengwei.2011@gmail.com>
Date: Fri, 28 Aug 2015 17:41:14 +0800
Subject: fastnn version 1.0

---
 fastnn/device/device.c | 178 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 178 insertions(+)
 create mode 100644 fastnn/device/device.c

(limited to 'fastnn/device/device.c')

diff --git a/fastnn/device/device.c b/fastnn/device/device.c
new file mode 100644
index 0000000..71d6ec1
--- /dev/null
+++ b/fastnn/device/device.c
@@ -0,0 +1,178 @@
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <lua.h>
+#include <lualib.h>
+#include <luaT/luaT.h>
+
+#include "../threads/lib/luaTHRD.h"
+#include "Device.h"
+
+
+const char *fastnn_device_tname = "fastnn.CDevice";
+
+
+static int device_new(lua_State *L)
+{
+	Device *device = NULL;
+	if(lua_gettop(L) == 0)
+        {
+                device = Device_new();
+        }
+        else if(lua_gettop(L) == 1)
+        {
+                long id = luaL_checkinteger(L, 1);
+                device = Device_newWithId(id);
+        }
+        else
+                luaL_error(L, "device: device new invalid arguments");
+        if (!device)
+                luaL_error(L, "device: device failed");
+
+        luaTHRD_pushudata(L, device, fastnn_device_tname);
+
+        return 1;
+}
+
+static int device_init(lua_State *L)
+{
+	Device *device = luaTHRD_checkudata(L, 1, fastnn_device_tname);
+	Status status;
+	Initialize(device, &status);
+	NERV_LUA_CHECK_STATUS(L, status);
+	return 0;
+}	
+
+static int device_select_gpu(lua_State *L)
+{
+	Device *device = luaTHRD_checkudata(L, 1, fastnn_device_tname);
+	
+	Status status;
+	if(lua_gettop(L) == 2)
+	{
+		int gpuid = luaL_checkinteger(L, 2);
+		SelectGPU(device, gpuid, &status);
+		NERV_LUA_CHECK_STATUS(L, status);
+		return 0;
+	}
+	else if(lua_gettop(L) == 1)
+	{
+		int gpuid = AutoSelectGPU(device, &status);
+		NERV_LUA_CHECK_STATUS(L, status);
+		lua_pushinteger(L, gpuid);
+		return 1;
+	}
+	else
+		luaL_error(L, "device: device select gpu failed");
+}	
+
+static int device_id(lua_State *L)
+{
+	Device *device = luaTHRD_checkudata(L, 1, fastnn_device_tname);
+	lua_pushinteger(L, Device_id(device));
+	return 1;
+}
+
+static int device_tostring(lua_State *L)
+{
+        char str[STRLEN];
+        Device* device = luaTHRD_checkudata(L, 1, fastnn_device_tname);
+        snprintf(str, STRLEN, "%s <%lx>", fastnn_device_tname, Device_id(device));
+        lua_pushstring(L, str);
+        return 1;
+}
+
+static int device_destroy(lua_State *L)
+{
+        Device *device = luaTHRD_checkudata(L, 1, fastnn_device_tname);
+        Device_destroy(device);
+        //printf("device_destroy ... end\n");
+        return 0;
+}
+
+
+//////////////////////////////////////////////
+
+static int context_new(lua_State *L) 
+{
+        CuContext *context = NULL;
+        if(lua_gettop(L) == 0)
+        {   
+                context = CuContext_new();
+        }   
+        else if(lua_gettop(L) == 1)
+        {   
+                long id = luaL_checkinteger(L, 1); 
+                context = CuContext_newWithId(id);
+        }   
+        else
+                luaL_error(L, "device: context new invalid arguments");
+        if (!context)
+                luaL_error(L, "device: context failed");
+
+        luaTHRD_pushudata(L, context, nerv_context_tname);
+
+        return 1;
+}
+
+
+static int context_id(lua_State *L)
+{
+        CuContext *context = luaTHRD_checkudata(L, 1, nerv_context_tname);
+        lua_pushinteger(L, CuContext_id(context));
+        return 1;
+}
+
+static int context_tostring(lua_State *L)
+{
+        char str[STRLEN];
+        CuContext* context = luaTHRD_checkudata(L, 1, nerv_context_tname);
+        snprintf(str, STRLEN, "%s <%lx>", nerv_context_tname, CuContext_id(context));
+        lua_pushstring(L, str);
+        return 1;
+}
+
+static int context_destroy(lua_State *L)
+{
+	CuContext* context = luaTHRD_checkudata(L, 1, nerv_context_tname);
+        CuContext_destroy(context);
+        return 0;
+}
+
+
+static const struct luaL_Reg device__ [] = {
+  {"new", device_new},
+  {"__tostring", device_tostring},
+  {"id", device_id},
+  {"init", device_init},
+  {"select_gpu", device_select_gpu},
+  {"free", device_destroy},
+  {NULL, NULL}
+};
+
+static const struct luaL_Reg context__ [] = {
+  {"new", context_new},
+  {"__tostring", context_tostring},
+  {"id", context_id},
+  {"free", context_destroy},
+  {NULL, NULL}
+};
+
+
+void fastnn_init_device(lua_State *L)
+{
+        luaT_newmetatable(L, fastnn_device_tname, NULL, device_new, device_destroy, NULL);
+        luaL_register(L, NULL, device__);
+        lua_pop(L, 1);
+}
+
+void fastnn_init_context(lua_State *L)
+{
+	luaT_newmetatable(L, nerv_context_tname, NULL, context_new, context_destroy, NULL);
+        luaL_register(L, NULL, context__);
+        lua_pop(L, 1);
+}
+
+
+
-- 
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