dawn-cmake/src/backend/vulkan/VulkanFunctions.h
2017-11-21 16:09:15 -05:00

45 lines
1.7 KiB
C++

// Copyright 2017 The NXT Authors
//
// 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 BACKEND_VULKAN_VULKANFUNCTIONS_H_
#define BACKEND_VULKAN_VULKANFUNCTIONS_H_
#include "backend/vulkan/vulkan_platform.h"
class DynamicLib;
namespace backend {
namespace vulkan {
// Stores the Vulkan entry points. Also loads them from the dynamic library
// and the vkGet*ProcAddress entry points.
struct VulkanFunctions {
bool LoadGlobalProcs(const DynamicLib& vulkanLib);
// Initial proc from which we can get all the others
PFN_vkGetInstanceProcAddr GetInstanceProcAddr = nullptr;
// Global procs, can be used without an instance
PFN_vkCreateInstance CreateInstance = nullptr;
PFN_vkEnumerateInstanceExtensionProperties EnumerateInstanceExtensionProperties = nullptr;
PFN_vkEnumerateInstanceLayerProperties EnumerateInstanceLayerProperties = nullptr;
// DestroyInstance isn't technically a global proc but we want to be able to use it
// before querying the instance procs in case we need to error out during initialization.
PFN_vkDestroyInstance DestroyInstance = nullptr;
};
}
}
#endif // BACKEND_VULKAN_VULKANFUNCTIONS_H_