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Vulkan-Samples/samples/performance/layout_transitions/layout_transitions.h
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2025-09-04 10:54:47 +08:00

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/* Copyright (c) 2019-2025, Arm Limited and Contributors
*
* SPDX-License-Identifier: Apache-2.0
*
* 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.
*/
#pragma once
#include "common/utils.h"
#include "rendering/render_pipeline.h"
#include "scene_graph/components/camera.h"
#include "vulkan_sample.h"
/**
* @brief Transitioning images from UNDEFINED vs last known layout
*/
class LayoutTransitions : public vkb::VulkanSampleC
{
public:
LayoutTransitions();
virtual ~LayoutTransitions() = default;
virtual bool prepare(const vkb::ApplicationOptions &options) override;
private:
enum LayoutTransitionType : int
{
UNDEFINED,
LAST_LAYOUT
};
vkb::sg::Camera *camera{nullptr};
std::unique_ptr<vkb::RenderTarget> create_render_target(vkb::core::Image &&swapchain_image);
virtual void prepare_render_context() override;
void draw(vkb::core::CommandBufferC &command_buffer, vkb::RenderTarget &render_target) override;
virtual void draw_gui() override;
VkImageLayout pick_old_layout(VkImageLayout last_layout);
vkb::RenderPipeline gbuffer_pipeline;
vkb::RenderPipeline lighting_pipeline;
LayoutTransitionType layout_transition_type{LayoutTransitionType::UNDEFINED};
};
std::unique_ptr<vkb::VulkanSampleC> create_layout_transitions();