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#include "SwapChainStateVk.h"
#include "vulkan/vk_util.h"
SwapChainStateVk::SwapChainStateVk(const goldfish_vk::VulkanDispatch &vk,
VkDevice vkDevice,
const VkSwapchainCreateInfoKHR &swapChainCi)
: m_vk(vk),
m_vkDevice(vkDevice),
m_vkSwapChain(VK_NULL_HANDLE),
m_vkImages(0),
m_vkImageViews(0) {
VK_CHECK(m_vk.vkCreateSwapchainKHR(m_vkDevice, &swapChainCi, nullptr,
&m_vkSwapChain));
uint32_t imageCount = 0;
VK_CHECK(m_vk.vkGetSwapchainImagesKHR(m_vkDevice, m_vkSwapChain,
&imageCount, nullptr));
m_vkImages.resize(imageCount);
VK_CHECK(m_vk.vkGetSwapchainImagesKHR(m_vkDevice, m_vkSwapChain,
&imageCount, m_vkImages.data()));
for (auto i = 0; i < m_vkImages.size(); i++) {
VkImageViewCreateInfo imageViewCi = {
.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
.image = m_vkImages[i],
.viewType = VK_IMAGE_VIEW_TYPE_2D,
.format = k_vkFormat,
.components = {.r = VK_COMPONENT_SWIZZLE_IDENTITY,
.g = VK_COMPONENT_SWIZZLE_IDENTITY,
.b = VK_COMPONENT_SWIZZLE_IDENTITY,
.a = VK_COMPONENT_SWIZZLE_IDENTITY},
.subresourceRange = {.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.baseMipLevel = 0,
.levelCount = 1,
.baseArrayLayer = 0,
.layerCount = 1}};
VkImageView vkImageView;
VK_CHECK(m_vk.vkCreateImageView(m_vkDevice, &imageViewCi, nullptr,
&vkImageView));
m_vkImageViews.push_back(vkImageView);
}
}
SwapChainStateVk::~SwapChainStateVk() {
for (auto imageView : m_vkImageViews) {
m_vk.vkDestroyImageView(m_vkDevice, imageView, nullptr);
}
m_vk.vkDestroySwapchainKHR(m_vkDevice, m_vkSwapChain, nullptr);
}
std::vector<const char *> SwapChainStateVk::getRequiredInstanceExtensions() {
return {
VK_KHR_SURFACE_EXTENSION_NAME,
#ifdef _WIN32
VK_KHR_WIN32_SURFACE_EXTENSION_NAME,
#endif
#ifdef __APPLE__
VK_EXT_METAL_SURFACE_EXTENSION_NAME,
#endif
#ifdef VK_USE_PLATFORM_XCB_KHR
VK_KHR_XCB_SURFACE_EXTENSION_NAME,
#endif
};
}
std::vector<const char *> SwapChainStateVk::getRequiredDeviceExtensions() {
return {
VK_KHR_SWAPCHAIN_EXTENSION_NAME,
};
}
bool SwapChainStateVk::validateQueueFamilyProperties(
const goldfish_vk::VulkanDispatch &vk, VkPhysicalDevice physicalDevice,
VkSurfaceKHR surface, uint32_t queueFamilyIndex) {
VkBool32 presentSupport = VK_FALSE;
VK_CHECK(vk.vkGetPhysicalDeviceSurfaceSupportKHR(
physicalDevice, queueFamilyIndex, surface, &presentSupport));
return presentSupport;
}
SwapChainStateVk::VkSwapchainCreateInfoKHRPtr
SwapChainStateVk::createSwapChainCi(
const goldfish_vk::VulkanDispatch &vk, VkSurfaceKHR surface,
VkPhysicalDevice physicalDevice, uint32_t width, uint32_t height,
const std::unordered_set<uint32_t> &queueFamilyIndices) {
uint32_t formatCount = 0;
VK_CHECK(vk.vkGetPhysicalDeviceSurfaceFormatsKHR(physicalDevice, surface,
&formatCount, nullptr));
std::vector<VkSurfaceFormatKHR> formats(formatCount);
VK_CHECK(vk.vkGetPhysicalDeviceSurfaceFormatsKHR(
physicalDevice, surface, &formatCount, formats.data()));
auto iSurfaceFormat = std::find_if(
formats.begin(), formats.end(), [](const VkSurfaceFormatKHR &format) {
return format.format == k_vkFormat &&
format.colorSpace == k_vkColorSpace;
});
if (iSurfaceFormat == formats.end()) {
return nullptr;
}
uint32_t presentModeCount = 0;
VK_CHECK(vk.vkGetPhysicalDeviceSurfacePresentModesKHR(
physicalDevice, surface, &presentModeCount, nullptr));
std::vector<VkPresentModeKHR> presentModes(presentModeCount);
auto iPresentMode =
std::find_if(presentModes.begin(), presentModes.end(),
[](const VkPresentModeKHR &presentMode) {
return presentMode == VK_PRESENT_MODE_IMMEDIATE_KHR;
});
if (iPresentMode == presentModes.end()) {
return nullptr;
}
VkSurfaceCapabilitiesKHR surfaceCaps;
VK_CHECK(vk.vkGetPhysicalDeviceSurfaceCapabilitiesKHR(
physicalDevice, surface, &surfaceCaps));
std::optional<VkExtent2D> maybeExtent = std::nullopt;
if (surfaceCaps.currentExtent.width != UINT32_MAX &&
surfaceCaps.currentExtent.width == width &&
surfaceCaps.currentExtent.height == height) {
maybeExtent = surfaceCaps.currentExtent;
} else if (width >= surfaceCaps.minImageExtent.width &&
width <= surfaceCaps.maxImageExtent.width &&
height >= surfaceCaps.minImageExtent.height &&
height <= surfaceCaps.maxImageExtent.height) {
maybeExtent = VkExtent2D({width, height});
}
if (!maybeExtent.has_value()) {
return nullptr;
}
auto extent = maybeExtent.value();
uint32_t imageCount = surfaceCaps.minImageCount + 1;
if (surfaceCaps.maxImageCount != 0 &&
surfaceCaps.maxImageCount < imageCount) {
imageCount = surfaceCaps.maxImageCount;
}
VkSwapchainCreateInfoKHRPtr swapChainCi(
new VkSwapchainCreateInfoKHR{
.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR,
.surface = surface,
.minImageCount = imageCount,
.imageFormat = iSurfaceFormat->format,
.imageColorSpace = iSurfaceFormat->colorSpace,
.imageExtent = extent,
.imageArrayLayers = 1,
.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
.preTransform = surfaceCaps.currentTransform,
.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR,
.presentMode = *iPresentMode,
.clipped = VK_TRUE,
.oldSwapchain = VK_NULL_HANDLE},
[](VkSwapchainCreateInfoKHR *p) {
if (p->pQueueFamilyIndices != nullptr) {
delete[] p->pQueueFamilyIndices;
}
});
if (queueFamilyIndices.empty()) {
return nullptr;
}
if (queueFamilyIndices.size() == 1) {
swapChainCi->imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
swapChainCi->queueFamilyIndexCount = 0;
swapChainCi->pQueueFamilyIndices = nullptr;
} else {
swapChainCi->imageSharingMode = VK_SHARING_MODE_CONCURRENT;
swapChainCi->queueFamilyIndexCount =
static_cast<uint32_t>(queueFamilyIndices.size());
uint32_t *pQueueFamilyIndices = new uint32_t[queueFamilyIndices.size()];
std::copy(queueFamilyIndices.begin(), queueFamilyIndices.end(),
pQueueFamilyIndices);
swapChainCi->pQueueFamilyIndices = pQueueFamilyIndices;
}
return swapChainCi;
}
VkFormat SwapChainStateVk::getFormat() { return k_vkFormat; }
const std::vector<VkImage> &SwapChainStateVk::getVkImages() const {
return m_vkImages;
}
const std::vector<VkImageView> &SwapChainStateVk::getVkImageViews() const {
return m_vkImageViews;
}
VkSwapchainKHR SwapChainStateVk::getSwapChain() const { return m_vkSwapChain; }
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