2019-03-29 03:58:43 +01:00
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// Copyright 2019 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <algorithm>
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#include <array>
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#include <limits>
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#include <vector>
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#include "common/assert.h"
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#include "common/logging/log.h"
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#include "core/core.h"
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#include "core/frontend/framebuffer_layout.h"
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#include "video_core/renderer_vulkan/declarations.h"
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#include "video_core/renderer_vulkan/vk_device.h"
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#include "video_core/renderer_vulkan/vk_resource_manager.h"
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#include "video_core/renderer_vulkan/vk_swapchain.h"
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namespace Vulkan {
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namespace {
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2019-12-07 02:41:42 +01:00
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vk::SurfaceFormatKHR ChooseSwapSurfaceFormat(const std::vector<vk::SurfaceFormatKHR>& formats,
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bool srgb) {
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2019-03-29 03:58:43 +01:00
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if (formats.size() == 1 && formats[0].format == vk::Format::eUndefined) {
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2019-12-07 02:41:42 +01:00
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vk::SurfaceFormatKHR format;
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format.format = vk::Format::eB8G8R8A8Unorm;
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format.colorSpace = vk::ColorSpaceKHR::eSrgbNonlinear;
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return format;
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2019-03-29 03:58:43 +01:00
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}
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2019-12-07 02:41:42 +01:00
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const auto& found = std::find_if(formats.begin(), formats.end(), [srgb](const auto& format) {
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const auto request_format = srgb ? vk::Format::eB8G8R8A8Srgb : vk::Format::eB8G8R8A8Unorm;
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return format.format == request_format &&
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2019-03-29 03:58:43 +01:00
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format.colorSpace == vk::ColorSpaceKHR::eSrgbNonlinear;
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});
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return found != formats.end() ? *found : formats[0];
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}
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vk::PresentModeKHR ChooseSwapPresentMode(const std::vector<vk::PresentModeKHR>& modes) {
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// Mailbox doesn't lock the application like fifo (vsync), prefer it
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const auto& found = std::find_if(modes.begin(), modes.end(), [](const auto& mode) {
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return mode == vk::PresentModeKHR::eMailbox;
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});
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return found != modes.end() ? *found : vk::PresentModeKHR::eFifo;
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}
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vk::Extent2D ChooseSwapExtent(const vk::SurfaceCapabilitiesKHR& capabilities, u32 width,
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u32 height) {
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constexpr auto undefined_size{std::numeric_limits<u32>::max()};
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if (capabilities.currentExtent.width != undefined_size) {
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return capabilities.currentExtent;
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}
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vk::Extent2D extent = {width, height};
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extent.width = std::max(capabilities.minImageExtent.width,
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std::min(capabilities.maxImageExtent.width, extent.width));
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extent.height = std::max(capabilities.minImageExtent.height,
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std::min(capabilities.maxImageExtent.height, extent.height));
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return extent;
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}
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2019-12-07 02:41:42 +01:00
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} // Anonymous namespace
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2019-03-29 03:58:43 +01:00
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VKSwapchain::VKSwapchain(vk::SurfaceKHR surface, const VKDevice& device)
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: surface{surface}, device{device} {}
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VKSwapchain::~VKSwapchain() = default;
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2019-12-07 02:41:42 +01:00
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void VKSwapchain::Create(u32 width, u32 height, bool srgb) {
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2019-03-29 03:58:43 +01:00
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const auto& dld = device.GetDispatchLoader();
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const auto physical_device = device.GetPhysical();
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2019-12-07 02:41:42 +01:00
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const auto capabilities{physical_device.getSurfaceCapabilitiesKHR(surface, dld)};
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2019-03-29 03:58:43 +01:00
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if (capabilities.maxImageExtent.width == 0 || capabilities.maxImageExtent.height == 0) {
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return;
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}
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2019-12-07 02:41:42 +01:00
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device.GetLogical().waitIdle(dld);
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Destroy();
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2019-12-07 02:41:42 +01:00
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CreateSwapchain(capabilities, width, height, srgb);
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2019-03-29 03:58:43 +01:00
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CreateSemaphores();
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CreateImageViews();
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fences.resize(image_count, nullptr);
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}
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void VKSwapchain::AcquireNextImage() {
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const auto dev{device.GetLogical()};
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const auto& dld{device.GetDispatchLoader()};
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dev.acquireNextImageKHR(*swapchain, std::numeric_limits<u64>::max(),
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*present_semaphores[frame_index], {}, &image_index, dld);
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if (auto& fence = fences[image_index]; fence) {
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fence->Wait();
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fence->Release();
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fence = nullptr;
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}
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}
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bool VKSwapchain::Present(vk::Semaphore render_semaphore, VKFence& fence) {
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const vk::Semaphore present_semaphore{*present_semaphores[frame_index]};
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const std::array<vk::Semaphore, 2> semaphores{present_semaphore, render_semaphore};
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const u32 wait_semaphore_count{render_semaphore ? 2U : 1U};
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const auto& dld{device.GetDispatchLoader()};
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const auto present_queue{device.GetPresentQueue()};
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bool recreated = false;
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const vk::PresentInfoKHR present_info(wait_semaphore_count, semaphores.data(), 1,
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&swapchain.get(), &image_index, {});
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switch (const auto result = present_queue.presentKHR(&present_info, dld); result) {
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case vk::Result::eSuccess:
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break;
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case vk::Result::eErrorOutOfDateKHR:
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if (current_width > 0 && current_height > 0) {
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2019-12-07 02:41:42 +01:00
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Create(current_width, current_height, current_srgb);
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2019-03-29 03:58:43 +01:00
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recreated = true;
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}
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break;
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default:
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LOG_CRITICAL(Render_Vulkan, "Vulkan failed to present swapchain due to {}!",
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vk::to_string(result));
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UNREACHABLE();
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}
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ASSERT(fences[image_index] == nullptr);
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fences[image_index] = &fence;
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2020-01-20 22:29:54 +01:00
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frame_index = (frame_index + 1) % static_cast<u32>(image_count);
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2019-03-29 03:58:43 +01:00
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return recreated;
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}
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bool VKSwapchain::HasFramebufferChanged(const Layout::FramebufferLayout& framebuffer) const {
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// TODO(Rodrigo): Handle framebuffer pixel format changes
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return framebuffer.width != current_width || framebuffer.height != current_height;
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}
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void VKSwapchain::CreateSwapchain(const vk::SurfaceCapabilitiesKHR& capabilities, u32 width,
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u32 height, bool srgb) {
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2019-03-29 03:58:43 +01:00
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const auto& dld{device.GetDispatchLoader()};
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const auto physical_device{device.GetPhysical()};
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2019-12-07 02:41:42 +01:00
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const auto formats{physical_device.getSurfaceFormatsKHR(surface, dld)};
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const auto present_modes{physical_device.getSurfacePresentModesKHR(surface, dld)};
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2019-03-29 03:58:43 +01:00
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2019-12-07 02:41:42 +01:00
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const vk::SurfaceFormatKHR surface_format{ChooseSwapSurfaceFormat(formats, srgb)};
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const vk::PresentModeKHR present_mode{ChooseSwapPresentMode(present_modes)};
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u32 requested_image_count{capabilities.minImageCount + 1};
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if (capabilities.maxImageCount > 0 && requested_image_count > capabilities.maxImageCount) {
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requested_image_count = capabilities.maxImageCount;
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}
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vk::SwapchainCreateInfoKHR swapchain_ci(
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{}, surface, requested_image_count, surface_format.format, surface_format.colorSpace, {}, 1,
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vk::ImageUsageFlagBits::eColorAttachment, {}, {}, {}, capabilities.currentTransform,
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vk::CompositeAlphaFlagBitsKHR::eOpaque, present_mode, false, {});
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2019-03-29 03:58:43 +01:00
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const u32 graphics_family{device.GetGraphicsFamily()};
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const u32 present_family{device.GetPresentFamily()};
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const std::array<u32, 2> queue_indices{graphics_family, present_family};
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if (graphics_family != present_family) {
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swapchain_ci.imageSharingMode = vk::SharingMode::eConcurrent;
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swapchain_ci.queueFamilyIndexCount = static_cast<u32>(queue_indices.size());
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swapchain_ci.pQueueFamilyIndices = queue_indices.data();
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} else {
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swapchain_ci.imageSharingMode = vk::SharingMode::eExclusive;
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}
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2020-02-26 20:51:53 +01:00
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// Request the size again to reduce the possibility of a TOCTOU race condition.
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const auto updated_capabilities = physical_device.getSurfaceCapabilitiesKHR(surface, dld);
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swapchain_ci.imageExtent = ChooseSwapExtent(updated_capabilities, width, height);
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// Don't add code within this and the swapchain creation.
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const auto dev{device.GetLogical()};
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2019-03-29 03:58:43 +01:00
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swapchain = dev.createSwapchainKHRUnique(swapchain_ci, nullptr, dld);
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2020-02-26 20:51:53 +01:00
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extent = swapchain_ci.imageExtent;
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current_width = extent.width;
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current_height = extent.height;
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current_srgb = srgb;
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2019-03-29 03:58:43 +01:00
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images = dev.getSwapchainImagesKHR(*swapchain, dld);
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image_count = static_cast<u32>(images.size());
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image_format = surface_format.format;
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}
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void VKSwapchain::CreateSemaphores() {
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const auto dev{device.GetLogical()};
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const auto& dld{device.GetDispatchLoader()};
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present_semaphores.resize(image_count);
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for (std::size_t i = 0; i < image_count; i++) {
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present_semaphores[i] = dev.createSemaphoreUnique({}, nullptr, dld);
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}
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}
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void VKSwapchain::CreateImageViews() {
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const auto dev{device.GetLogical()};
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const auto& dld{device.GetDispatchLoader()};
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image_views.resize(image_count);
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for (std::size_t i = 0; i < image_count; i++) {
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const vk::ImageViewCreateInfo image_view_ci({}, images[i], vk::ImageViewType::e2D,
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image_format, {},
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{vk::ImageAspectFlagBits::eColor, 0, 1, 0, 1});
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image_views[i] = dev.createImageViewUnique(image_view_ci, nullptr, dld);
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}
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}
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void VKSwapchain::Destroy() {
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frame_index = 0;
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present_semaphores.clear();
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framebuffers.clear();
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image_views.clear();
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swapchain.reset();
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}
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} // namespace Vulkan
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