vulkan: add layers_extensions.h
Move everything for layers_extensions.cpp out of loader.h to
layers_extensions.h, and into vulkan::api namespace.
Remove now unused InstanceExtensionFromName and DeviceExtensionFromName.
Change-Id: I06be98986f40de35e9dffb5499bc1423e9eb3d48
diff --git a/vulkan/libvulkan/layers_extensions.h b/vulkan/libvulkan/layers_extensions.h
new file mode 100644
index 0000000..7e7bfd3
--- /dev/null
+++ b/vulkan/libvulkan/layers_extensions.h
@@ -0,0 +1,64 @@
+/*
+ * Copyright 2015 The Android Open Source Project
+ *
+ * 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.
+ */
+
+#ifndef LIBVULKAN_LAYERS_EXTENSIONS_H
+#define LIBVULKAN_LAYERS_EXTENSIONS_H 1
+
+#include <vulkan/vulkan.h>
+
+namespace vulkan {
+namespace api {
+
+struct Layer;
+class LayerRef {
+ public:
+ LayerRef(Layer* layer);
+ LayerRef(LayerRef&& other);
+ ~LayerRef();
+ LayerRef(const LayerRef&) = delete;
+ LayerRef& operator=(const LayerRef&) = delete;
+
+ const char* GetName() const;
+ uint32_t GetSpecVersion();
+
+ // provides bool-like behavior
+ operator const Layer*() const { return layer_; }
+
+ PFN_vkGetInstanceProcAddr GetGetInstanceProcAddr() const;
+ PFN_vkGetDeviceProcAddr GetGetDeviceProcAddr() const;
+
+ bool SupportsExtension(const char* name) const;
+
+ private:
+ Layer* layer_;
+};
+
+void DiscoverLayers();
+uint32_t EnumerateInstanceLayers(uint32_t count, VkLayerProperties* properties);
+uint32_t EnumerateDeviceLayers(uint32_t count, VkLayerProperties* properties);
+void GetInstanceLayerExtensions(const char* name,
+ const VkExtensionProperties** properties,
+ uint32_t* count);
+void GetDeviceLayerExtensions(const char* name,
+ const VkExtensionProperties** properties,
+ uint32_t* count);
+LayerRef GetInstanceLayerRef(const char* name);
+LayerRef GetDeviceLayerRef(const char* name);
+
+} // namespace api
+} // namespace vulkan
+
+#endif // LIBVULKAN_LAYERS_EXTENSIONS_H