123 lines
6.1 KiB
C++
123 lines
6.1 KiB
C++
/* Copyright (c) 2023-2025, Holochip Corporation
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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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/*
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* Demonstrates and showcases full_screen_exclusive and related functionalities
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*/
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#pragma once
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#include "common/vk_common.h"
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#include "core/instance.h"
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#include "platform/application.h"
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class FullScreenExclusive : public vkb::Application
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{
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private:
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enum class SwapchainMode // This enum class represents all for stages from full screen exclusive EXT selections
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{
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Default,
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Windowed,
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BorderlessFullscreen,
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ExclusiveFullscreen
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};
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enum class ApplicationWindowMode // This enum class represents the application window modes
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{
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Windowed,
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Fullscreen
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};
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struct PerFrame
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{
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VkDevice device = VK_NULL_HANDLE;
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VkFence queue_submit_fence = VK_NULL_HANDLE;
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VkCommandPool primary_command_pool = VK_NULL_HANDLE;
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VkCommandBuffer primary_command_buffer = VK_NULL_HANDLE;
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VkSemaphore swapchain_acquire_semaphore = VK_NULL_HANDLE;
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VkSemaphore swapchain_release_semaphore = VK_NULL_HANDLE;
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int32_t queue_index{};
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};
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struct Context
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{
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VkInstance instance = VK_NULL_HANDLE;
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VkPhysicalDevice gpu = VK_NULL_HANDLE;
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VkDevice device = VK_NULL_HANDLE;
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VkQueue queue = VK_NULL_HANDLE;
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VkSwapchainKHR swapchain = VK_NULL_HANDLE;
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VkExtent2D swapchain_dimensions;
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VkFormat swapchain_format;
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VkSurfaceKHR surface = VK_NULL_HANDLE;
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int32_t graphics_queue_index = -1;
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std::vector<VkImageView> swapchain_image_views{};
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std::vector<VkFramebuffer> swapchain_framebuffers{};
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VkRenderPass render_pass = VK_NULL_HANDLE;
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VkPipeline pipeline = VK_NULL_HANDLE;
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VkPipelineLayout pipeline_layout = VK_NULL_HANDLE;
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VkDebugUtilsMessengerEXT debug_callback = VK_NULL_HANDLE;
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std::vector<VkSemaphore> recycled_semaphores{};
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std::vector<PerFrame> per_frame{};
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};
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private:
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Context context{};
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std::unique_ptr<vkb::core::InstanceC> vk_instance{};
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HWND HWND_application_window{}; // sync the application HWND handle
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bool is_windowed = true; // this is to tell if the application window is already set in the desired mode
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WINDOWPLACEMENT wpc{}; // window placement information
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LONG HWND_style = 0; // current Hwnd style
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LONG HWND_extended_style = 0; // previous Hwnd style
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VkSurfaceFullScreenExclusiveInfoEXT surface_full_screen_exclusive_info_EXT{}; // it can be created locally, however, it is a good reminder that they are declared here as a class variable
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VkSurfaceFullScreenExclusiveWin32InfoEXT surface_full_screen_exclusive_Win32_info_EXT{};
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bool is_full_screen_exclusive = false; // this is to tell if the screen is in full screen EXCLUSIVE or not
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ApplicationWindowMode application_window_status = ApplicationWindowMode::Windowed; // declare and initialize the application window mode
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SwapchainMode full_screen_status = SwapchainMode::Default; // declare and initialize the swapchain mode
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private:
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VkExtent2D get_current_max_image_extent() const; // This detects the maximum surface resolution and return them in vkExtent2D format
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void input_event(const vkb::InputEvent &input_event) override; // This is to introduce a customized input events for switching application window and swapchain modes.
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void update_application_window(); // This switches application window modes corresponding to the selected swapchain modes
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void recreate(); // to recreate the swapchain and related per switch of display mode
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public:
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FullScreenExclusive() = default;
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~FullScreenExclusive() override;
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void initialize_windows();
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bool prepare(const vkb::ApplicationOptions &options) override; // This syncs all required extensions and booleans is a Windows platform is detected
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void update(float delta_time) override;
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bool resize(uint32_t width, uint32_t height) override;
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static bool validate_extensions(const std::vector<const char *> &required, const std::vector<VkExtensionProperties> &available);
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void init_instance(const std::vector<const char *> &required_instance_extensions, const std::vector<const char *> &required_validation_layers);
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void init_device(const std::vector<const char *> &required_device_extensions);
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void init_per_frame(PerFrame &per_frame) const;
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void teardown_per_frame(PerFrame &per_frame) const;
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void init_swapchain();
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void init_render_pass();
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VkShaderModule load_shader_module(const char *path) const;
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void init_pipeline();
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VkResult acquire_next_image(uint32_t *image);
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void render_triangle(uint32_t swapchain_index);
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VkResult present_image(uint32_t index);
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void init_framebuffers();
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void teardown_framebuffers();
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void teardown();
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};
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std::unique_ptr<vkb::Application> create_full_screen_exclusive();
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