mirror of
https://github.com/opus-tango/IntroductionToVulkan.git
synced 2026-03-20 03:55:26 +00:00
119 lines
4.5 KiB
C++
119 lines
4.5 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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// Copyright 2017 Intel Corporation
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not
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// use this file except in compliance with the License. You may obtain a copy
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// of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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// License for the specific language governing permissions and limitations
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// under the License.
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////////////////////////////////////////////////////////////////////////////////
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#if !defined(TOOLS_HEADER)
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#define TOOLS_HEADER
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#include <string>
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#include <vector>
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#include <array>
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#include "vulkan.h"
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namespace ApiWithoutSecrets {
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namespace Tools {
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// ************************************************************ //
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// AutoDeleter //
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// //
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// Auto-deleter helper template class responsible for calling //
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// provided function which deletes given object of type T //
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// ************************************************************ //
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template<class T, class F>
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class AutoDeleter {
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public:
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AutoDeleter() :
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Object( VK_NULL_HANDLE ),
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Deleter( nullptr ),
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Device( VK_NULL_HANDLE ) {
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}
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AutoDeleter( T object, F deleter, VkDevice device ) :
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Object( object ),
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Deleter( deleter ),
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Device( device ) {
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}
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AutoDeleter( AutoDeleter&& other ) {
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*this = std::move( other );
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}
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~AutoDeleter() {
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if( (Object != VK_NULL_HANDLE) && (Deleter != nullptr) && (Device != VK_NULL_HANDLE) ) {
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Deleter( Device, Object, nullptr );
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}
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}
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AutoDeleter& operator=(AutoDeleter&& other) {
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if( this != &other ) {
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Object = other.Object;
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Deleter = other.Deleter;
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Device = other.Device;
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other.Object = VK_NULL_HANDLE;
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}
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return *this;
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}
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T Get() {
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return Object;
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}
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bool operator !() const {
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return Object == VK_NULL_HANDLE;
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}
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private:
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AutoDeleter( const AutoDeleter& );
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AutoDeleter& operator=( const AutoDeleter& );
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T Object;
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F Deleter;
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VkDevice Device;
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};
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// ************************************************************ //
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// GetBinaryFileContents //
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// //
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// Function reading binary contents of a file //
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// ************************************************************ //
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std::vector<char> GetBinaryFileContents( std::string const &filename );
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// ************************************************************ //
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// GetImageData //
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// //
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// Function loading image (texture) data from a specified file //
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// ************************************************************ //
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std::vector<char> GetImageData( std::string const &filename, int requested_components, int *width, int *height, int *components, int *data_size );
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// ************************************************************ //
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// GetPerspectiveProjectionMatrix //
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// //
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// Function calculating perspective projection matrix //
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// ************************************************************ //
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std::array<float, 16> GetPerspectiveProjectionMatrix( float const aspect_ratio, float const field_of_view, float const near_clip, float const far_clip );
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// ************************************************************ //
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// GetOrthographicsProjectionMatrix //
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// //
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// Function calculating orthographic projection matrix //
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// ************************************************************ //
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std::array<float, 16> GetOrthographicProjectionMatrix( float const left_plane, float const right_plane, float const top_plane, float const bottom_plane, float const near_plane, float const far_plane );
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} // namespace Tools
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} // namespace ApiWithoutSecrets
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#endif // TOOLS_HEADER
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