// 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.

#include "utils/BackendBinding.h"

#include "common/Assert.h"

namespace utils {

    #if defined(NXT_ENABLE_BACKEND_D3D12)
        BackendBinding* CreateD3D12Binding();
    #endif
    #if defined(NXT_ENABLE_BACKEND_METAL)
        BackendBinding* CreateMetalBinding();
    #endif
    #if defined(NXT_ENABLE_BACKEND_NULL)
        BackendBinding* CreateNullBinding();
    #endif
    #if defined(NXT_ENABLE_BACKEND_OPENGL)
        BackendBinding* CreateOpenGLBinding();
    #endif
    #if defined(NXT_ENABLE_BACKEND_VULKAN)
        BackendBinding* CreateVulkanBinding();
    #endif

    void BackendBinding::SetWindow(GLFWwindow* window) {
        this->window = window;
    }

    BackendBinding* CreateBinding(BackendType type) {
        switch (type) {
            #if defined(NXT_ENABLE_BACKEND_D3D12)
                case BackendType::D3D12:
                    return CreateD3D12Binding();
            #endif

            #if defined(NXT_ENABLE_BACKEND_METAL)
                case BackendType::Metal:
                    return CreateMetalBinding();
            #endif

            #if defined(NXT_ENABLE_BACKEND_NULL)
                case BackendType::Null:
                    return CreateNullBinding();
            #endif

            #if defined(NXT_ENABLE_BACKEND_OPENGL)
                case BackendType::OpenGL:
                    return CreateOpenGLBinding();
            #endif

            #if defined(NXT_ENABLE_BACKEND_VULKAN)
                case BackendType::Vulkan:
                    return CreateVulkanBinding();
            #endif

            default:
                return nullptr;
        }
    }

}