69 lines
1.9 KiB
C++
69 lines
1.9 KiB
C++
/* Copyright (c) 2019-2024, Arm Limited and Contributors
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 the "License";
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* you may not use this file except in compliance with the License.
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* You may obtain a copy 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,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <iomanip> // setprecision
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#include <sstream> // stringstream
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#include "common/vk_common.h"
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#include "rendering/render_pipeline.h"
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#include "scene_graph/components/perspective_camera.h"
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#include "vulkan_sample.h"
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/**
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* @brief Appropriate use of surface rotation
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*/
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class SurfaceRotation : public vkb::VulkanSampleC
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{
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public:
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SurfaceRotation();
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virtual ~SurfaceRotation() = default;
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virtual bool prepare(const vkb::ApplicationOptions &options) override;
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virtual void update(float delta_time) override;
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private:
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vkb::sg::PerspectiveCamera *camera{nullptr};
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virtual void draw_gui() override;
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void recreate_swapchain();
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bool pre_rotate = false;
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bool last_pre_rotate = false;
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/*
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* @brief Returns the preTransform value to use when recreating
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* the swapchain, which depends on whether or not the
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* application is implementing pre-rotation
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*/
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VkSurfaceTransformFlagBitsKHR select_pre_transform();
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/* @brief 180 degree rotations do not trigger a resize, but
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* if pre_rotation is enabled a new swapchain
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* needs to be created with the corresponding
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* preTransform value
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*/
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void handle_no_resize_rotations();
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};
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std::unique_ptr<vkb::VulkanSampleC> create_surface_rotation();
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