1 files changed, 77 insertions, 0 deletions
diff --git a/modules/vulkan/vulkan_common.cpp b/modules/vulkan/vulkan_common.cpp
new file mode 100644
index 0000000..6e7ec66
--- /dev/null
+++ b/modules/vulkan/vulkan_common.cpp
@@ -0,0 +1,77 @@
+/*
+ * vulkan_common.cpp - vulkan common
+ *
+ *  Copyright (c) 2018 Intel Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Author: Wind Yuan <feng.yuan@intel.com>
+ */
+
+#include "vulkan_common.h"
+#include <map>
+
+#define VK_STR_INSERT(ERR)    \
+    vk_errors.insert (VkErrorMap::value_type(VK_ ##ERR, #ERR))
+
+namespace XCam {
+
+typedef std::map <uint32_t, const char*> VkErrorMap;
+
+static VkErrorMap vk_errors;
+
+void vk_init_error_string ()
+{
+    if (!vk_errors.empty ())
+        return;
+
+    VK_STR_INSERT (SUCCESS);
+    VK_STR_INSERT (NOT_READY);
+    VK_STR_INSERT (TIMEOUT);
+    VK_STR_INSERT (EVENT_SET);
+    VK_STR_INSERT (EVENT_RESET);
+    VK_STR_INSERT (INCOMPLETE);
+    VK_STR_INSERT (ERROR_OUT_OF_HOST_MEMORY);
+    VK_STR_INSERT (ERROR_OUT_OF_DEVICE_MEMORY);
+    VK_STR_INSERT (ERROR_INITIALIZATION_FAILED);
+    VK_STR_INSERT (ERROR_DEVICE_LOST);
+    VK_STR_INSERT (ERROR_MEMORY_MAP_FAILED);
+    VK_STR_INSERT (ERROR_LAYER_NOT_PRESENT);
+    VK_STR_INSERT (ERROR_FEATURE_NOT_PRESENT);
+    VK_STR_INSERT (ERROR_INCOMPATIBLE_DRIVER);
+    VK_STR_INSERT (ERROR_TOO_MANY_OBJECTS);
+    VK_STR_INSERT (ERROR_FORMAT_NOT_SUPPORTED);
+    VK_STR_INSERT (ERROR_FRAGMENTED_POOL);
+}
+
+const char*
+vk_error_str(VkResult id)
+{
+    VkErrorMap::iterator i = vk_errors.find (id);
+    if (i == vk_errors.end ())
+        return "VkUnKnown";
+    return i->second;
+}
+
+const std::string
+xcam_default_shader_path ()
+{
+    std::string home = "~";
+    const char *env = std::getenv ("HOME");
+    if (env)
+        home.assign (env, strlen (env));
+
+    return home + "/.xcam/vk";
+}
+
+}