static void cleanup_vulkan()
{
vkDestroyDescriptorPool(g_Device, g_DescriptorPool, g_Allocator);
for (int i = 0; i < IMGUI_VK_QUEUED_FRAMES; i++)
{
vkDestroyFence(g_Device, g_Fence[i], g_Allocator);
vkFreeCommandBuffers(g_Device, g_CommandPool[i], 1, &g_CommandBuffer[i]);
vkDestroyCommandPool(g_Device, g_CommandPool[i], g_Allocator);
vkDestroySemaphore(g_Device, g_PresentCompleteSemaphore[i], g_Allocator);
vkDestroySemaphore(g_Device, g_RenderCompleteSemaphore[i], g_Allocator);
}
for (uint32_t i = 0; i < g_BackBufferCount; i++)
{
vkDestroyImageView(g_Device, g_BackBufferView[i], g_Allocator);
vkDestroyFramebuffer(g_Device, g_Framebuffer[i], g_Allocator);
}
vkDestroyRenderPass(g_Device, g_RenderPass, g_Allocator);
vkDestroySwapchainKHR(g_Device, g_Swapchain, g_Allocator);
vkDestroySurfaceKHR(g_Instance, g_Surface, g_Allocator);
#ifdef IMGUI_VULKAN_DEBUG_REPORT
// get the proc address of the function pointer, required for used extensions
auto vkDestroyDebugReportCallbackEXT = (PFN_vkDestroyDebugReportCallbackEXT)vkGetInstanceProcAddr(g_Instance, "vkDestroyDebugReportCallbackEXT");
vkDestroyDebugReportCallbackEXT(g_Instance, g_Debug_Report, g_Allocator);
#endif // IMGUI_VULKAN_DEBUG_REPORT
vkDestroyDevice(g_Device, g_Allocator);
vkDestroyInstance(g_Instance, g_Allocator);
}
VulkanCommon::~VulkanCommon() {
if( Vulkan.Device != VK_NULL_HANDLE ) {
vkDeviceWaitIdle( Vulkan.Device );
for( size_t i = 0; i < Vulkan.SwapChain.Images.size(); ++i ) {
if( Vulkan.SwapChain.Images[i].ImageView != VK_NULL_HANDLE ) {
vkDestroyImageView( GetDevice(), Vulkan.SwapChain.Images[i].ImageView, nullptr );
}
}
if( Vulkan.SwapChain.Handle != VK_NULL_HANDLE ) {
vkDestroySwapchainKHR( Vulkan.Device, Vulkan.SwapChain.Handle, nullptr );
}
vkDestroyDevice( Vulkan.Device, nullptr );
}
if( Vulkan.PresentationSurface != VK_NULL_HANDLE ) {
vkDestroySurfaceKHR( Vulkan.Instance, Vulkan.PresentationSurface, nullptr );
}
if( Vulkan.Instance != VK_NULL_HANDLE ) {
vkDestroyInstance( Vulkan.Instance, nullptr );
}
if( VulkanLibrary ) {
#if defined(VK_USE_PLATFORM_WIN32_KHR)
FreeLibrary( VulkanLibrary );
#elif defined(VK_USE_PLATFORM_XCB_KHR) || defined(VK_USE_PLATFORM_XLIB_KHR)
dlclose( VulkanLibrary );
#endif
}
}
void VulkanSwapChain::clear(VkSwapchainKHR swapChain)
{
VkDevice logicalDevice = mDevice->getLogical();
if (swapChain != VK_NULL_HANDLE)
{
for (auto& surface : mSurfaces)
{
surface.framebuffer->destroy();
surface.framebuffer = nullptr;
surface.image->destroy();
surface.image = nullptr;
surface.sync->destroy();
surface.sync = nullptr;
}
vkDestroySwapchainKHR(logicalDevice, swapChain, gVulkanAllocator);
}
if (mDepthStencilImage != nullptr)
{
mDepthStencilImage->destroy();
mDepthStencilImage = nullptr;
}
}
void resize_vulkan_wm_swapchain(ReaperRoot& root, const VulkanBackend& backend, PresentationInfo& presentInfo,
VkExtent2D extent)
{
REAPER_PROFILE_SCOPE("Vulkan", MP_RED);
log_debug(root, "vulkan: resizing wm swapchain");
// Destroy what needs to be
Assert(vkDeviceWaitIdle(backend.device) == VK_SUCCESS);
vkDestroySemaphore(backend.device, presentInfo.imageAvailableSemaphore, nullptr);
vkDestroySemaphore(backend.device, presentInfo.renderingFinishedSemaphore, nullptr);
destroy_swapchain_framebuffers(backend, presentInfo);
destroy_swapchain_renderpass(backend, presentInfo);
vkDestroySwapchainKHR(backend.device, presentInfo.swapchain, nullptr);
presentInfo.swapchain = VK_NULL_HANDLE;
// Reconfigure even if we know most of what we expect/need
SwapchainDescriptor swapchainDesc;
swapchainDesc.preferredImageCount = presentInfo.imageCount;
swapchainDesc.preferredFormat = presentInfo.surfaceFormat;
swapchainDesc.preferredExtent = {extent.width, extent.height}; // New extent
configure_vulkan_wm_swapchain(root, backend, swapchainDesc, presentInfo);
create_vulkan_wm_swapchain(root, backend, presentInfo);
}
void SwapChain::DestroySwapChain()
{
if (m_swap_chain == VK_NULL_HANDLE)
return;
vkDestroySwapchainKHR(g_vulkan_context->GetDevice(), m_swap_chain, nullptr);
m_swap_chain = VK_NULL_HANDLE;
}
void SurfaceWindow::resize(int w, int h) {
mWidth = w;
mHeight = h;
vkDestroySwapchainKHR(mDevice, mSwapchain, nullptr);
createSwapchain();
mNeedToInit = true;
}
void VulkanWindow::FinalizeSwapchain()
{
if ( mVkSwapchainKHR != VK_NULL_HANDLE )
{
vkDestroySwapchainKHR ( mVulkanRenderer.GetDevice(), mVkSwapchainKHR, nullptr );
mVkSwapchainKHR = VK_NULL_HANDLE;
}
}
void VulkanContext::DestroyObjects() {
ILOG("VulkanContext::DestroyObjects (including swapchain)");
if (swapchain_ != VK_NULL_HANDLE)
vkDestroySwapchainKHR(device_, swapchain_, nullptr);
swapchain_ = VK_NULL_HANDLE;
vkDestroySurfaceKHR(instance_, surface_, nullptr);
surface_ = VK_NULL_HANDLE;
}
void VkContext::Destroy() {
vkDeviceWaitIdle(dev);
// Free command buffers
if (drawCmdBuffers.size() > 0) {
vkFreeCommandBuffers(dev, cmdPool, (u32)drawCmdBuffers.size(),
&drawCmdBuffers[0]);
}
// Destroy command pools
vkDestroyCommandPool(dev, cmdPool, nullptr);
// Destroy semaphores
vkDestroySemaphore(dev, acquireCompleteSemaphore, nullptr);
vkDestroySemaphore(dev, renderCompleteSemaphore, nullptr);
// Destroy swapchain image views
for (u32 i = 0; i < swapchainImageViews.size(); i++) {
vkDestroyImageView(dev, swapchainImageViews[i], nullptr);
}
// Destroy swapchain
if (swapchain) {
vkDestroySwapchainKHR(dev, swapchain, nullptr);
}
// Destroy surface
if (surf) {
vkDestroySurfaceKHR(instance, surf, nullptr);
}
// Destroy device
if (dev) {
vkDestroyDevice(dev, nullptr);
}
#ifdef VOXL_DEBUG
// Destroy debug report callback
if (msgCallback != VK_NULL_HANDLE) {
vkDestroyDebugReportCallbackEXT(instance, msgCallback, nullptr);
}
#endif
// Destroy instance
if (instance) {
vkDestroyInstance(instance, nullptr);
}
// Terminate GLFW
glfwTerminate();
}
void destroy_vulkan_wm_swapchain(ReaperRoot& root, const VulkanBackend& backend, PresentationInfo& presentInfo)
{
REAPER_PROFILE_SCOPE("Vulkan", MP_RED);
log_debug(root, "vulkan: destroying wm swapchain");
vkDestroySemaphore(backend.device, presentInfo.imageAvailableSemaphore, nullptr);
vkDestroySemaphore(backend.device, presentInfo.renderingFinishedSemaphore, nullptr);
destroy_swapchain_framebuffers(backend, presentInfo);
destroy_swapchain_renderpass(backend, presentInfo);
vkDestroySwapchainKHR(backend.device, presentInfo.swapchain, nullptr);
presentInfo.swapchain = VK_NULL_HANDLE;
}
MicroSwapchain::~MicroSwapchain()
{
const VkDevice dev = m_factory->m_gr->getDevice();
for(TexturePtr& tex : m_textures)
{
tex.reset(nullptr);
}
if(m_swapchain)
{
vkDestroySwapchainKHR(dev, m_swapchain, nullptr);
m_swapchain = {};
}
}
SwapChain::~SwapChain()
{
if (VK_NULL_HANDLE != mVkSurfaceKHR)
{
const VulkanRenderer& vulkanRenderer = static_cast<VulkanRenderer&>(getRenderer());
const VkDevice vkDevice = vulkanRenderer.getContext().getVkDevice();
for (uint32_t i = 0; i < mSwapchainImageCount; ++i)
{
vkDestroyImageView(vkDevice, mSwapChainBuffer[i].view, nullptr);
}
if (VK_NULL_HANDLE != mVkSwapchainKHR)
{
vkDestroySwapchainKHR(vkDevice, mVkSwapchainKHR, nullptr);
}
vkDestroySurfaceKHR(vulkanRenderer.getVulkanRuntimeLinking().getVkInstance(), mVkSurfaceKHR, nullptr);
}
}
void cleanup() {
vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
vkDestroyRenderPass(device, renderPass, nullptr);
for (auto imageView : swapChainImageViews) {
vkDestroyImageView(device, imageView, nullptr);
}
vkDestroySwapchainKHR(device, swapChain, nullptr);
vkDestroyDevice(device, nullptr);
DestroyDebugReportCallbackEXT(instance, callback, nullptr);
vkDestroySurfaceKHR(instance, surface, nullptr);
vkDestroyInstance(instance, nullptr);
glfwDestroyWindow(window);
glfwTerminate();
}
void _agpu_swap_chain::lostReferences()
{
if (graphicsQueue)
graphicsQueue->release();
if (presentationQueue)
presentationQueue->release();
for (auto fb : framebuffers)
{
if(fb)
fb->release();
}
for(auto semaphore : semaphores)
{
if(semaphore)
vkDestroySemaphore(device->device, semaphore, nullptr);
}
if (handle)
vkDestroySwapchainKHR(device->device, handle, nullptr);
if(surface)
vkDestroySurfaceKHR(device->vulkanInstance, surface, nullptr);
}
void Window::_DeInitSwapchain()
{
vkDestroySwapchainKHR( _renderer->GetVulkanDevice(), _swapchain, nullptr );
}
int XdevLSwapChainVulkan::destroy() {
vkDestroySwapchainKHR(m_device, m_swapChain, nullptr);
return 0;
}
static void resize_vulkan(GLFWwindow* /*window*/, int w, int h)
{
VkResult err;
VkSwapchainKHR old_swapchain = g_Swapchain;
err = vkDeviceWaitIdle(g_Device);
check_vk_result(err);
// Destroy old Framebuffer:
for (uint32_t i = 0; i < g_BackBufferCount; i++)
if (g_BackBufferView[i])
vkDestroyImageView(g_Device, g_BackBufferView[i], g_Allocator);
for (uint32_t i = 0; i < g_BackBufferCount; i++)
if (g_Framebuffer[i])
vkDestroyFramebuffer(g_Device, g_Framebuffer[i], g_Allocator);
if (g_RenderPass)
vkDestroyRenderPass(g_Device, g_RenderPass, g_Allocator);
// Create Swapchain:
{
VkSwapchainCreateInfoKHR info = {};
info.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
info.surface = g_Surface;
info.imageFormat = g_SurfaceFormat.format;
info.imageColorSpace = g_SurfaceFormat.colorSpace;
info.imageArrayLayers = 1;
info.imageUsage |= VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
info.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
info.preTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
info.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
info.presentMode = g_PresentMode;
info.clipped = VK_TRUE;
info.oldSwapchain = old_swapchain;
VkSurfaceCapabilitiesKHR cap;
err = vkGetPhysicalDeviceSurfaceCapabilitiesKHR(g_Gpu, g_Surface, &cap);
check_vk_result(err);
if (cap.maxImageCount > 0)
info.minImageCount = (cap.minImageCount + 2 < cap.maxImageCount) ? (cap.minImageCount + 2) : cap.maxImageCount;
else
info.minImageCount = cap.minImageCount + 2;
if (cap.currentExtent.width == 0xffffffff)
{
fb_width = w;
fb_height = h;
info.imageExtent.width = fb_width;
info.imageExtent.height = fb_height;
}
else
{
fb_width = cap.currentExtent.width;
fb_height = cap.currentExtent.height;
info.imageExtent.width = fb_width;
info.imageExtent.height = fb_height;
}
err = vkCreateSwapchainKHR(g_Device, &info, g_Allocator, &g_Swapchain);
check_vk_result(err);
err = vkGetSwapchainImagesKHR(g_Device, g_Swapchain, &g_BackBufferCount, NULL);
check_vk_result(err);
err = vkGetSwapchainImagesKHR(g_Device, g_Swapchain, &g_BackBufferCount, g_BackBuffer);
check_vk_result(err);
}
if (old_swapchain)
vkDestroySwapchainKHR(g_Device, old_swapchain, g_Allocator);
// Create the Render Pass:
{
VkAttachmentDescription attachment = {};
attachment.format = g_SurfaceFormat.format;
attachment.samples = VK_SAMPLE_COUNT_1_BIT;
attachment.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
attachment.storeOp = VK_ATTACHMENT_STORE_OP_STORE;
attachment.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
attachment.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
attachment.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
attachment.finalLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
VkAttachmentReference color_attachment = {};
color_attachment.attachment = 0;
color_attachment.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
VkSubpassDescription subpass = {};
subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
subpass.colorAttachmentCount = 1;
subpass.pColorAttachments = &color_attachment;
VkRenderPassCreateInfo info = {};
info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
info.attachmentCount = 1;
info.pAttachments = &attachment;
info.subpassCount = 1;
info.pSubpasses = &subpass;
err = vkCreateRenderPass(g_Device, &info, g_Allocator, &g_RenderPass);
check_vk_result(err);
}
// Create The Image Views
{
VkImageViewCreateInfo info = {};
info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
info.viewType = VK_IMAGE_VIEW_TYPE_2D;
info.format = g_SurfaceFormat.format;
info.components.r = VK_COMPONENT_SWIZZLE_R;
info.components.g = VK_COMPONENT_SWIZZLE_G;
info.components.b = VK_COMPONENT_SWIZZLE_B;
info.components.a = VK_COMPONENT_SWIZZLE_A;
info.subresourceRange = g_ImageRange;
for (uint32_t i = 0; i < g_BackBufferCount; i++)
{
info.image = g_BackBuffer[i];
err = vkCreateImageView(g_Device, &info, g_Allocator, &g_BackBufferView[i]);
check_vk_result(err);
}
}
// Create Framebuffer:
{
VkImageView attachment[1];
VkFramebufferCreateInfo info = {};
info.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
info.renderPass = g_RenderPass;
info.attachmentCount = 1;
info.pAttachments = attachment;
info.width = fb_width;
info.height = fb_height;
info.layers = 1;
for (uint32_t i = 0; i < g_BackBufferCount; i++)
{
attachment[0] = g_BackBufferView[i];
err = vkCreateFramebuffer(g_Device, &info, g_Allocator, &g_Framebuffer[i]);
check_vk_result(err);
}
}
}
void createSwapChainAndImages(VulkanContext& context, VulkanSurfaceContext& surfaceContext) {
// Pick an image count and format. According to section 30.5 of VK 1.1, maxImageCount of zero
// apparently means "that there is no limit on the number of images, though there may be limits
// related to the total amount of memory used by presentable images."
uint32_t desiredImageCount = 2;
const uint32_t maxImageCount = surfaceContext.surfaceCapabilities.maxImageCount;
if (desiredImageCount < surfaceContext.surfaceCapabilities.minImageCount ||
(maxImageCount != 0 && desiredImageCount > maxImageCount)) {
utils::slog.e << "Swap chain does not support " << desiredImageCount << " images.\n";
desiredImageCount = surfaceContext.surfaceCapabilities.minImageCount;
}
surfaceContext.surfaceFormat = surfaceContext.surfaceFormats[0];
for (const VkSurfaceFormatKHR& format : surfaceContext.surfaceFormats) {
if (format.format == VK_FORMAT_R8G8B8A8_UNORM) {
surfaceContext.surfaceFormat = format;
break;
}
}
const auto compositionCaps = surfaceContext.surfaceCapabilities.supportedCompositeAlpha;
const auto compositeAlpha = (compositionCaps & VK_COMPOSITE_ALPHA_INHERIT_BIT_KHR) ?
VK_COMPOSITE_ALPHA_INHERIT_BIT_KHR : VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
// Create the low-level swap chain.
const auto size = surfaceContext.surfaceCapabilities.currentExtent;
VkSwapchainCreateInfoKHR createInfo {
.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR,
.surface = surfaceContext.surface,
.minImageCount = desiredImageCount,
.imageFormat = surfaceContext.surfaceFormat.format,
.imageColorSpace = surfaceContext.surfaceFormat.colorSpace,
.imageExtent = size,
.imageArrayLayers = 1,
.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT,
.preTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR,
.compositeAlpha = compositeAlpha,
.presentMode = VK_PRESENT_MODE_FIFO_KHR,
.clipped = VK_TRUE
};
VkSwapchainKHR swapchain;
VkResult result = vkCreateSwapchainKHR(context.device, &createInfo, VKALLOC, &swapchain);
ASSERT_POSTCONDITION(result == VK_SUCCESS, "vkGetPhysicalDeviceSurfaceFormatsKHR error.");
surfaceContext.swapchain = swapchain;
// Extract the VkImage handles from the swap chain.
uint32_t imageCount;
result = vkGetSwapchainImagesKHR(context.device, swapchain, &imageCount, nullptr);
ASSERT_POSTCONDITION(result == VK_SUCCESS, "vkGetSwapchainImagesKHR count error.");
surfaceContext.swapContexts.resize(imageCount);
std::vector<VkImage> images(imageCount);
result = vkGetSwapchainImagesKHR(context.device, swapchain, &imageCount,
images.data());
ASSERT_POSTCONDITION(result == VK_SUCCESS, "vkGetSwapchainImagesKHR error.");
for (size_t i = 0; i < images.size(); ++i) {
surfaceContext.swapContexts[i].attachment = {
.image = images[i],
.format = surfaceContext.surfaceFormat.format
};
}
utils::slog.i
<< "vkCreateSwapchain"
<< ": " << size.width << "x" << size.height
<< ", " << surfaceContext.surfaceFormat.format
<< ", " << surfaceContext.surfaceFormat.colorSpace
<< ", " << imageCount
<< utils::io::endl;
// Create image views.
VkImageViewCreateInfo ivCreateInfo = {};
ivCreateInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
ivCreateInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
ivCreateInfo.format = surfaceContext.surfaceFormat.format;
ivCreateInfo.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
ivCreateInfo.subresourceRange.levelCount = 1;
ivCreateInfo.subresourceRange.layerCount = 1;
for (size_t i = 0; i < images.size(); ++i) {
ivCreateInfo.image = images[i];
result = vkCreateImageView(context.device, &ivCreateInfo, VKALLOC,
&surfaceContext.swapContexts[i].attachment.view);
ASSERT_POSTCONDITION(result == VK_SUCCESS, "vkCreateImageView error.");
}
createSemaphore(context.device, &surfaceContext.imageAvailable);
createSemaphore(context.device, &surfaceContext.renderingFinished);
surfaceContext.depth = {};
}
void createDepthBuffer(VulkanContext& context, VulkanSurfaceContext& surfaceContext,
VkFormat depthFormat) {
assert(context.cmdbuffer);
// Create an appropriately-sized device-only VkImage.
const auto size = surfaceContext.surfaceCapabilities.currentExtent;
VkImage depthImage;
VkImageCreateInfo imageInfo {
.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
.imageType = VK_IMAGE_TYPE_2D,
.extent = { size.width, size.height, 1 },
.format = depthFormat,
.mipLevels = 1,
.arrayLayers = 1,
.usage = VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT,
.samples = VK_SAMPLE_COUNT_1_BIT,
};
VkResult error = vkCreateImage(context.device, &imageInfo, VKALLOC, &depthImage);
ASSERT_POSTCONDITION(!error, "Unable to create depth image.");
// Allocate memory for the VkImage and bind it.
VkMemoryRequirements memReqs;
vkGetImageMemoryRequirements(context.device, depthImage, &memReqs);
VkMemoryAllocateInfo allocInfo {
.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO,
.allocationSize = memReqs.size,
.memoryTypeIndex = selectMemoryType(context, memReqs.memoryTypeBits,
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT)
};
error = vkAllocateMemory(context.device, &allocInfo, nullptr,
&surfaceContext.depth.memory);
ASSERT_POSTCONDITION(!error, "Unable to allocate depth memory.");
error = vkBindImageMemory(context.device, depthImage, surfaceContext.depth.memory, 0);
ASSERT_POSTCONDITION(!error, "Unable to bind depth memory.");
// Create a VkImageView so that we can attach depth to the framebuffer.
VkImageView depthView;
VkImageViewCreateInfo viewInfo {
.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
.image = depthImage,
.viewType = VK_IMAGE_VIEW_TYPE_2D,
.format = depthFormat,
.subresourceRange.aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT,
.subresourceRange.levelCount = 1,
.subresourceRange.layerCount = 1,
};
error = vkCreateImageView(context.device, &viewInfo, VKALLOC, &depthView);
ASSERT_POSTCONDITION(!error, "Unable to create depth view.");
// Transition the depth image into an optimal layout.
VkImageMemoryBarrier barrier {
.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
.newLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
.image = depthImage,
.subresourceRange.aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT,
.subresourceRange.levelCount = 1,
.subresourceRange.layerCount = 1,
.dstAccessMask = VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT
};
vkCmdPipelineBarrier(context.cmdbuffer, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT, 0, 0, nullptr, 0, nullptr, 1, &barrier);
// Go ahead and set the depth attachment fields, which serves as a signal to VulkanDriver that
// it is now ready.
surfaceContext.depth.view = depthView;
surfaceContext.depth.image = depthImage;
surfaceContext.depth.format = depthFormat;
}
void transitionDepthBuffer(VulkanContext& context, VulkanSurfaceContext& sc, VkFormat depthFormat) {
// Begin a new command buffer solely for the purpose of transitioning the image layout.
SwapContext& swap = getSwapContext(context);
VkResult result = vkWaitForFences(context.device, 1, &swap.fence, VK_FALSE, UINT64_MAX);
ASSERT_POSTCONDITION(result == VK_SUCCESS, "vkWaitForFences error.");
result = vkResetFences(context.device, 1, &swap.fence);
ASSERT_POSTCONDITION(result == VK_SUCCESS, "vkResetFences error.");
VkCommandBuffer cmdbuffer = swap.cmdbuffer;
result = vkResetCommandBuffer(cmdbuffer, 0);
ASSERT_POSTCONDITION(result == VK_SUCCESS, "vkResetCommandBuffer error.");
VkCommandBufferBeginInfo beginInfo = {
.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,
.flags = VK_COMMAND_BUFFER_USAGE_SIMULTANEOUS_USE_BIT,
};
result = vkBeginCommandBuffer(cmdbuffer, &beginInfo);
ASSERT_POSTCONDITION(result == VK_SUCCESS, "vkBeginCommandBuffer error.");
context.cmdbuffer = cmdbuffer;
// Create the depth buffer and issue a pipeline barrier command.
createDepthBuffer(context, sc, depthFormat);
// Flush the command buffer.
result = vkEndCommandBuffer(context.cmdbuffer);
ASSERT_POSTCONDITION(result == VK_SUCCESS, "vkEndCommandBuffer error.");
context.cmdbuffer = nullptr;
VkSubmitInfo submitInfo {
.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO,
.commandBufferCount = 1,
.pCommandBuffers = &swap.cmdbuffer,
};
result = vkQueueSubmit(context.graphicsQueue, 1, &submitInfo, swap.fence);
ASSERT_POSTCONDITION(result == VK_SUCCESS, "vkQueueSubmit error.");
swap.submitted = false;
}
void createCommandBuffersAndFences(VulkanContext& context, VulkanSurfaceContext& surfaceContext) {
// Allocate command buffers.
VkCommandBufferAllocateInfo allocateInfo = {};
allocateInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
allocateInfo.commandPool = context.commandPool;
allocateInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
allocateInfo.commandBufferCount = (uint32_t) surfaceContext.swapContexts.size();
std::vector<VkCommandBuffer> cmdbufs(allocateInfo.commandBufferCount);
VkResult result = vkAllocateCommandBuffers(context.device, &allocateInfo, cmdbufs.data());
ASSERT_POSTCONDITION(result == VK_SUCCESS, "vkAllocateCommandBuffers error.");
for (uint32_t i = 0; i < allocateInfo.commandBufferCount; ++i) {
surfaceContext.swapContexts[i].cmdbuffer = cmdbufs[i];
}
// Create fences.
VkFenceCreateInfo fenceCreateInfo = {};
fenceCreateInfo.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO;
fenceCreateInfo.flags = VK_FENCE_CREATE_SIGNALED_BIT;
for (uint32_t i = 0; i < allocateInfo.commandBufferCount; i++) {
result = vkCreateFence(context.device, &fenceCreateInfo, VKALLOC,
&surfaceContext.swapContexts[i].fence);
ASSERT_POSTCONDITION(result == VK_SUCCESS, "vkCreateFence error.");
}
}
void destroySurfaceContext(VulkanContext& context, VulkanSurfaceContext& surfaceContext) {
for (SwapContext& swapContext : surfaceContext.swapContexts) {
vkFreeCommandBuffers(context.device, context.commandPool, 1, &swapContext.cmdbuffer);
vkDestroyFence(context.device, swapContext.fence, VKALLOC);
vkDestroyImageView(context.device, swapContext.attachment.view, VKALLOC);
swapContext.fence = VK_NULL_HANDLE;
swapContext.attachment.view = VK_NULL_HANDLE;
}
vkDestroySwapchainKHR(context.device, surfaceContext.swapchain, VKALLOC);
vkDestroySemaphore(context.device, surfaceContext.imageAvailable, VKALLOC);
vkDestroySemaphore(context.device, surfaceContext.renderingFinished, VKALLOC);
vkDestroySurfaceKHR(context.instance, surfaceContext.surface, VKALLOC);
vkDestroyImageView(context.device, surfaceContext.depth.view, VKALLOC);
vkDestroyImage(context.device, surfaceContext.depth.image, VKALLOC);
vkFreeMemory(context.device, surfaceContext.depth.memory, VKALLOC);
if (context.currentSurface == &surfaceContext) {
context.currentSurface = nullptr;
}
}
uint32_t selectMemoryType(VulkanContext& context, uint32_t flags, VkFlags reqs) {
for (uint32_t i = 0; i < VK_MAX_MEMORY_TYPES; i++) {
if (flags & 1) {
if ((context.memoryProperties.memoryTypes[i].propertyFlags & reqs) == reqs) {
return i;
}
}
flags >>= 1;
}
ASSERT_POSTCONDITION(false, "Unable to find a memory type that meets requirements.");
return (uint32_t) ~0ul;
}
VkFormat getVkFormat(ElementType type, bool normalized) {
using ElementType = ElementType;
if (normalized) {
switch (type) {
// Single Component Types
case ElementType::BYTE: return VK_FORMAT_R8_SNORM;
case ElementType::UBYTE: return VK_FORMAT_R8_UNORM;
case ElementType::SHORT: return VK_FORMAT_R16_SNORM;
case ElementType::USHORT: return VK_FORMAT_R16_UNORM;
// Two Component Types
case ElementType::BYTE2: return VK_FORMAT_R8G8_SNORM;
case ElementType::UBYTE2: return VK_FORMAT_R8G8_UNORM;
case ElementType::SHORT2: return VK_FORMAT_R16G16_SNORM;
case ElementType::USHORT2: return VK_FORMAT_R16G16_UNORM;
// Three Component Types
case ElementType::BYTE3: return VK_FORMAT_R8G8B8_SNORM;
case ElementType::UBYTE3: return VK_FORMAT_R8G8B8_UNORM;
case ElementType::SHORT3: return VK_FORMAT_R16G16B16_SNORM;
case ElementType::USHORT3: return VK_FORMAT_R16G16B16_UNORM;
// Four Component Types
case ElementType::BYTE4: return VK_FORMAT_R8G8B8A8_SNORM;
case ElementType::UBYTE4: return VK_FORMAT_R8G8B8A8_UNORM;
case ElementType::SHORT4: return VK_FORMAT_R16G16B16A16_SNORM;
case ElementType::USHORT4: return VK_FORMAT_R16G16B16A16_UNORM;
default:
ASSERT_POSTCONDITION(false, "Normalized format does not exist.");
return VK_FORMAT_UNDEFINED;
}
}
switch (type) {
// Single Component Types
case ElementType::BYTE: return VK_FORMAT_R8_SINT;
case ElementType::UBYTE: return VK_FORMAT_R8_UINT;
case ElementType::SHORT: return VK_FORMAT_R16_SINT;
case ElementType::USHORT: return VK_FORMAT_R16_UINT;
case ElementType::HALF: return VK_FORMAT_R16_SFLOAT;
case ElementType::INT: return VK_FORMAT_R32_SINT;
case ElementType::UINT: return VK_FORMAT_R32_UINT;
case ElementType::FLOAT: return VK_FORMAT_R32_SFLOAT;
// Two Component Types
case ElementType::BYTE2: return VK_FORMAT_R8G8_SINT;
case ElementType::UBYTE2: return VK_FORMAT_R8G8_UINT;
case ElementType::SHORT2: return VK_FORMAT_R16G16_SINT;
case ElementType::USHORT2: return VK_FORMAT_R16G16_UINT;
case ElementType::HALF2: return VK_FORMAT_R16G16_SFLOAT;
case ElementType::FLOAT2: return VK_FORMAT_R32G32_SFLOAT;
// Three Component Types
case ElementType::BYTE3: return VK_FORMAT_R8G8B8_SINT;
case ElementType::UBYTE3: return VK_FORMAT_R8G8B8_UINT;
case ElementType::SHORT3: return VK_FORMAT_R16G16B16_SINT;
case ElementType::USHORT3: return VK_FORMAT_R16G16B16_UINT;
case ElementType::HALF3: return VK_FORMAT_R16G16B16_SFLOAT;
case ElementType::FLOAT3: return VK_FORMAT_R32G32B32_SFLOAT;
// Four Component Types
case ElementType::BYTE4: return VK_FORMAT_R8G8B8A8_SINT;
case ElementType::UBYTE4: return VK_FORMAT_R8G8B8A8_UINT;
case ElementType::SHORT4: return VK_FORMAT_R16G16B16A16_SINT;
case ElementType::USHORT4: return VK_FORMAT_R16G16B16A16_UINT;
case ElementType::HALF4: return VK_FORMAT_R16G16B16A16_SFLOAT;
case ElementType::FLOAT4: return VK_FORMAT_R32G32B32A32_SFLOAT;
}
return VK_FORMAT_UNDEFINED;
}
VkFormat getVkFormat(TextureFormat format) {
using TextureFormat = TextureFormat;
switch (format) {
// 8 bits per element.
case TextureFormat::R8: return VK_FORMAT_R8_UNORM;
case TextureFormat::R8_SNORM: return VK_FORMAT_R8_SNORM;
case TextureFormat::R8UI: return VK_FORMAT_R8_UINT;
case TextureFormat::R8I: return VK_FORMAT_R8_SINT;
case TextureFormat::STENCIL8: return VK_FORMAT_S8_UINT;
// 16 bits per element.
case TextureFormat::R16F: return VK_FORMAT_R16_SFLOAT;
case TextureFormat::R16UI: return VK_FORMAT_R16_UINT;
case TextureFormat::R16I: return VK_FORMAT_R16_SINT;
case TextureFormat::RG8: return VK_FORMAT_R8G8_UNORM;
case TextureFormat::RG8_SNORM: return VK_FORMAT_R8G8_SNORM;
case TextureFormat::RG8UI: return VK_FORMAT_R8G8_UINT;
case TextureFormat::RG8I: return VK_FORMAT_R8G8_SINT;
case TextureFormat::RGB565: return VK_FORMAT_R5G6B5_UNORM_PACK16;
case TextureFormat::RGB5_A1: return VK_FORMAT_R5G5B5A1_UNORM_PACK16;
case TextureFormat::RGBA4: return VK_FORMAT_R4G4B4A4_UNORM_PACK16;
case TextureFormat::DEPTH16: return VK_FORMAT_D16_UNORM;
// 24 bits per element. In practice, very few GPU vendors support these. For simplicity
// we just assume they are not supported, not bothering to query the device capabilities.
// Note that VK_FORMAT_ enums for 24-bit formats exist, but are meant for vertex attributes.
case TextureFormat::RGB8:
case TextureFormat::SRGB8:
case TextureFormat::RGB8_SNORM:
case TextureFormat::RGB8UI:
case TextureFormat::RGB8I:
case TextureFormat::DEPTH24:
return VK_FORMAT_UNDEFINED;
// 32 bits per element.
case TextureFormat::R32F: return VK_FORMAT_R32_SFLOAT;
case TextureFormat::R32UI: return VK_FORMAT_R32_UINT;
case TextureFormat::R32I: return VK_FORMAT_R32_SINT;
case TextureFormat::RG16F: return VK_FORMAT_R16G16_SFLOAT;
case TextureFormat::RG16UI: return VK_FORMAT_R16G16_UINT;
case TextureFormat::RG16I: return VK_FORMAT_R16G16_SINT;
case TextureFormat::R11F_G11F_B10F: return VK_FORMAT_B10G11R11_UFLOAT_PACK32;
case TextureFormat::RGB9_E5: return VK_FORMAT_E5B9G9R9_UFLOAT_PACK32;
case TextureFormat::RGBA8: return VK_FORMAT_R8G8B8A8_UNORM;
case TextureFormat::SRGB8_A8: return VK_FORMAT_R8G8B8A8_SRGB;
case TextureFormat::RGBA8_SNORM: return VK_FORMAT_R8G8B8A8_SNORM;
case TextureFormat::RGBM: return VK_FORMAT_R8G8B8A8_UNORM;
case TextureFormat::RGB10_A2: return VK_FORMAT_A2R10G10B10_UNORM_PACK32;
case TextureFormat::RGBA8UI: return VK_FORMAT_R8G8B8A8_UINT;
case TextureFormat::RGBA8I: return VK_FORMAT_R8G8B8A8_SINT;
case TextureFormat::DEPTH32F: return VK_FORMAT_D32_SFLOAT;
case TextureFormat::DEPTH24_STENCIL8: return VK_FORMAT_D24_UNORM_S8_UINT;
case TextureFormat::DEPTH32F_STENCIL8: return VK_FORMAT_D32_SFLOAT_S8_UINT;
// 48 bits per element. Note that many GPU vendors do not support these.
case TextureFormat::RGB16F: return VK_FORMAT_R16G16B16_SFLOAT;
case TextureFormat::RGB16UI: return VK_FORMAT_R16G16B16_UINT;
case TextureFormat::RGB16I: return VK_FORMAT_R16G16B16_SINT;
// 64 bits per element.
case TextureFormat::RG32F: return VK_FORMAT_R32G32_SFLOAT;
case TextureFormat::RG32UI: return VK_FORMAT_R32G32_UINT;
case TextureFormat::RG32I: return VK_FORMAT_R32G32_SINT;
case TextureFormat::RGBA16F: return VK_FORMAT_R16G16B16A16_SFLOAT;
case TextureFormat::RGBA16UI: return VK_FORMAT_R16G16B16A16_UINT;
case TextureFormat::RGBA16I: return VK_FORMAT_R16G16B16A16_SINT;
// 96-bits per element.
case TextureFormat::RGB32F: return VK_FORMAT_R32G32B32_SFLOAT;
case TextureFormat::RGB32UI: return VK_FORMAT_R32G32B32_UINT;
case TextureFormat::RGB32I: return VK_FORMAT_R32G32B32_SINT;
// 128-bits per element
case TextureFormat::RGBA32F: return VK_FORMAT_R32G32B32A32_SFLOAT;
case TextureFormat::RGBA32UI: return VK_FORMAT_R32G32B32A32_UINT;
case TextureFormat::RGBA32I: return VK_FORMAT_R32G32B32A32_SINT;
default:
return VK_FORMAT_UNDEFINED;
}
}
uint32_t getBytesPerPixel(TextureFormat format) {
return details::FTexture::getFormatSize(format);
}
// See also FTexture::computeTextureDataSize, which takes a public-facing Texture format rather
// than a driver-level Texture format, and can account for a specified byte alignment.
uint32_t computeSize(TextureFormat format, uint32_t w, uint32_t h, uint32_t d) {
const size_t bytesPerTexel = details::FTexture::getFormatSize(format);
return bytesPerTexel * w * h * d;
}
SwapContext& getSwapContext(VulkanContext& context) {
VulkanSurfaceContext& surface = *context.currentSurface;
return surface.swapContexts[surface.currentSwapIndex];
}
bool hasPendingWork(VulkanContext& context) {
if (context.pendingWork.size() > 0) {
return true;
}
if (context.currentSurface) {
for (auto& swapContext : context.currentSurface->swapContexts) {
if (swapContext.pendingWork.size() > 0) {
return true;
}
}
}
return false;
}
VkCompareOp getCompareOp(SamplerCompareFunc func) {
using Compare = driver::SamplerCompareFunc;
switch (func) {
case Compare::LE: return VK_COMPARE_OP_LESS_OR_EQUAL;
case Compare::GE: return VK_COMPARE_OP_GREATER_OR_EQUAL;
case Compare::L: return VK_COMPARE_OP_LESS;
case Compare::G: return VK_COMPARE_OP_GREATER;
case Compare::E: return VK_COMPARE_OP_EQUAL;
case Compare::NE: return VK_COMPARE_OP_NOT_EQUAL;
case Compare::A: return VK_COMPARE_OP_ALWAYS;
case Compare::N: return VK_COMPARE_OP_NEVER;
}
}
VkBlendFactor getBlendFactor(BlendFunction mode) {
using BlendFunction = filament::driver::BlendFunction;
switch (mode) {
case BlendFunction::ZERO: return VK_BLEND_FACTOR_ZERO;
case BlendFunction::ONE: return VK_BLEND_FACTOR_ONE;
case BlendFunction::SRC_COLOR: return VK_BLEND_FACTOR_SRC_COLOR;
case BlendFunction::ONE_MINUS_SRC_COLOR: return VK_BLEND_FACTOR_ONE_MINUS_SRC_COLOR;
case BlendFunction::DST_COLOR: return VK_BLEND_FACTOR_DST_COLOR;
case BlendFunction::ONE_MINUS_DST_COLOR: return VK_BLEND_FACTOR_ONE_MINUS_DST_COLOR;
case BlendFunction::SRC_ALPHA: return VK_BLEND_FACTOR_SRC_ALPHA;
case BlendFunction::ONE_MINUS_SRC_ALPHA: return VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA;
case BlendFunction::DST_ALPHA: return VK_BLEND_FACTOR_DST_ALPHA;
case BlendFunction::ONE_MINUS_DST_ALPHA: return VK_BLEND_FACTOR_ONE_MINUS_DST_ALPHA;
case BlendFunction::SRC_ALPHA_SATURATE: return VK_BLEND_FACTOR_SRC_ALPHA_SATURATE;
}
}
void waitForIdle(VulkanContext& context) {
// If there's no valid GPU then we have nothing to do.
if (!context.device) {
return;
}
// If there's no surface, then there's no command buffer.
if (!context.currentSurface) {
return;
}
// First, wait for submitted command buffer(s) to finish.
VkFence fences[2];
uint32_t nfences = 0;
auto& surfaceContext = *context.currentSurface;
for (auto& swapContext : surfaceContext.swapContexts) {
assert(nfences < 2);
if (swapContext.submitted && swapContext.fence) {
fences[nfences++] = swapContext.fence;
swapContext.submitted = false;
}
}
if (nfences > 0) {
vkWaitForFences(context.device, nfences, fences, VK_FALSE, ~0ull);
}
// If we don't have any pending work, we're done.
if (!hasPendingWork(context)) {
return;
}
// We cannot invoke arbitrary commands inside a render pass.
assert(context.currentRenderPass.renderPass == VK_NULL_HANDLE);
// Create a one-off command buffer to avoid the cost of swap chain acquisition and to avoid
// the possibility of SURFACE_LOST. Note that Vulkan command buffers use the Allocate/Free
// model instead of Create/Destroy and are therefore okay to create at a high frequency.
VkCommandBuffer cmdbuffer;
VkFence fence;
VkCommandBufferBeginInfo beginInfo { .sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO };
VkCommandBufferAllocateInfo allocateInfo = {
.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO,
.commandPool = context.commandPool,
.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY,
.commandBufferCount = 1
};
VkFenceCreateInfo fenceCreateInfo { .sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO, };
vkAllocateCommandBuffers(context.device, &allocateInfo, &cmdbuffer);
vkCreateFence(context.device, &fenceCreateInfo, VKALLOC, &fence);
// Keep performing work until there's nothing queued up. This should never iterate more than
// a couple times because the only work we queue up is for resource transition / reclamation.
VkPipelineStageFlags waitDestStageMask = VK_PIPELINE_STAGE_TRANSFER_BIT;
VkSubmitInfo submitInfo {
.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO,
.pWaitDstStageMask = &waitDestStageMask,
.commandBufferCount = 1,
.pCommandBuffers = &cmdbuffer,
};
int cycles = 0;
while (hasPendingWork(context)) {
if (cycles++ > 2) {
utils::slog.e << "Unexpected daisychaining of pending work." << utils::io::endl;
break;
}
for (auto& swapContext : context.currentSurface->swapContexts) {
vkBeginCommandBuffer(cmdbuffer, &beginInfo);
performPendingWork(context, swapContext, cmdbuffer);
vkEndCommandBuffer(cmdbuffer);
vkQueueSubmit(context.graphicsQueue, 1, &submitInfo, fence);
vkWaitForFences(context.device, 1, &fence, VK_FALSE, UINT64_MAX);
vkResetFences(context.device, 1, &fence);
vkResetCommandBuffer(cmdbuffer, 0);
}
}
vkFreeCommandBuffers(context.device, context.commandPool, 1, &cmdbuffer);
vkDestroyFence(context.device, fence, VKALLOC);
}
void acquireCommandBuffer(VulkanContext& context) {
// Ask Vulkan for the next image in the swap chain and update the currentSwapIndex.
VulkanSurfaceContext& surface = *context.currentSurface;
VkResult result = vkAcquireNextImageKHR(context.device, surface.swapchain,
UINT64_MAX, surface.imageAvailable, VK_NULL_HANDLE, &surface.currentSwapIndex);
ASSERT_POSTCONDITION(result != VK_ERROR_OUT_OF_DATE_KHR,
"Stale / resized swap chain not yet supported.");
ASSERT_POSTCONDITION(result == VK_SUBOPTIMAL_KHR || result == VK_SUCCESS,
"vkAcquireNextImageKHR error.");
SwapContext& swap = getSwapContext(context);
// Ensure that the previous submission of this command buffer has finished.
result = vkWaitForFences(context.device, 1, &swap.fence, VK_FALSE, UINT64_MAX);
ASSERT_POSTCONDITION(result == VK_SUCCESS, "vkWaitForFences error.");
// Restart the command buffer.
result = vkResetFences(context.device, 1, &swap.fence);
ASSERT_POSTCONDITION(result == VK_SUCCESS, "vkResetFences error.");
VkCommandBuffer cmdbuffer = swap.cmdbuffer;
VkResult error = vkResetCommandBuffer(cmdbuffer, 0);
ASSERT_POSTCONDITION(not error, "vkResetCommandBuffer error.");
VkCommandBufferBeginInfo beginInfo {
.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,
.flags = VK_COMMAND_BUFFER_USAGE_SIMULTANEOUS_USE_BIT,
};
error = vkBeginCommandBuffer(cmdbuffer, &beginInfo);
ASSERT_POSTCONDITION(not error, "vkBeginCommandBuffer error.");
context.cmdbuffer = cmdbuffer;
swap.submitted = false;
}
void releaseCommandBuffer(VulkanContext& context) {
// Finalize the command buffer and set the cmdbuffer pointer to null.
VkResult result = vkEndCommandBuffer(context.cmdbuffer);
ASSERT_POSTCONDITION(result == VK_SUCCESS, "vkEndCommandBuffer error.");
context.cmdbuffer = nullptr;
// Submit the command buffer.
VkPipelineStageFlags waitDestStageMask = VK_PIPELINE_STAGE_TRANSFER_BIT;
VulkanSurfaceContext& surfaceContext = *context.currentSurface;
SwapContext& swapContext = getSwapContext(context);
VkSubmitInfo submitInfo {
.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO,
.waitSemaphoreCount = 1u,
.pWaitSemaphores = &surfaceContext.imageAvailable,
.pWaitDstStageMask = &waitDestStageMask,
.commandBufferCount = 1,
.pCommandBuffers = &swapContext.cmdbuffer,
.signalSemaphoreCount = 1u,
.pSignalSemaphores = &surfaceContext.renderingFinished,
};
result = vkQueueSubmit(context.graphicsQueue, 1, &submitInfo, swapContext.fence);
ASSERT_POSTCONDITION(result == VK_SUCCESS, "vkQueueSubmit error.");
swapContext.submitted = true;
}
void performPendingWork(VulkanContext& context, SwapContext& swapContext, VkCommandBuffer cmdbuf) {
// First, execute pending tasks that are specific to this swap context. Copy the tasks into a
// local queue first, which allows newly added tasks to be deferred until the next frame.
decltype(swapContext.pendingWork) tasks;
tasks.swap(swapContext.pendingWork);
for (auto& callback : tasks) {
callback(cmdbuf);
}
// Next, execute the global pending work. Again, we copy the work queue into a local queue
// to allow tasks to re-add themselves.
tasks.clear();
tasks.swap(context.pendingWork);
for (auto& callback : tasks) {
callback(cmdbuf);
}
}
// Flushes the command buffer and waits for it to finish executing. Useful for diagnosing
// sychronization issues.
void flushCommandBuffer(VulkanContext& context) {
VulkanSurfaceContext& surface = *context.currentSurface;
const SwapContext& sc = surface.swapContexts[surface.currentSwapIndex];
// Submit the command buffer.
VkResult error = vkEndCommandBuffer(context.cmdbuffer);
ASSERT_POSTCONDITION(!error, "vkEndCommandBuffer error.");
VkPipelineStageFlags waitDestStageMask = VK_PIPELINE_STAGE_TRANSFER_BIT;
VkSubmitInfo submitInfo {
.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO,
.pWaitDstStageMask = &waitDestStageMask,
.commandBufferCount = 1,
.pCommandBuffers = &context.cmdbuffer,
};
error = vkQueueSubmit(context.graphicsQueue, 1, &submitInfo, sc.fence);
ASSERT_POSTCONDITION(!error, "vkQueueSubmit error.");
// Restart the command buffer.
error = vkWaitForFences(context.device, 1, &sc.fence, VK_FALSE, UINT64_MAX);
ASSERT_POSTCONDITION(!error, "vkWaitForFences error.");
error = vkResetFences(context.device, 1, &sc.fence);
ASSERT_POSTCONDITION(!error, "vkResetFences error.");
error = vkResetCommandBuffer(context.cmdbuffer, 0);
ASSERT_POSTCONDITION(!error, "vkResetCommandBuffer error.");
VkCommandBufferBeginInfo beginInfo {
.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,
.flags = VK_COMMAND_BUFFER_USAGE_SIMULTANEOUS_USE_BIT,
};
error = vkBeginCommandBuffer(context.cmdbuffer, &beginInfo);
ASSERT_POSTCONDITION(!error, "vkBeginCommandBuffer error.");
}
VkFormat findSupportedFormat(VulkanContext& context, const std::vector<VkFormat>& candidates,
VkImageTiling tiling, VkFormatFeatureFlags features) {
for (VkFormat format : candidates) {
VkFormatProperties props;
vkGetPhysicalDeviceFormatProperties(context.physicalDevice, format, &props);
if (tiling == VK_IMAGE_TILING_LINEAR &&
(props.linearTilingFeatures & features) == features) {
return format;
} else if (tiling == VK_IMAGE_TILING_OPTIMAL &&
(props.optimalTilingFeatures & features) == features) {
return format;
}
}
return VK_FORMAT_UNDEFINED;
}
} // namespace filament
} // namespace driver
SurfaceWindow::~SurfaceWindow() {
vkDestroySwapchainKHR(mDevice, mSwapchain, nullptr);
vkDestroySurfaceKHR(mInstance, mSurface, nullptr);
}
bool VulkanCommon::CreateSwapChain() {
if( Vulkan.Device != VK_NULL_HANDLE ) {
vkDeviceWaitIdle( Vulkan.Device );
}
for( size_t i = 0; i < Vulkan.SwapChain.Images.size(); ++i ) {
if( Vulkan.SwapChain.Images[i].ImageView != VK_NULL_HANDLE ) {
vkDestroyImageView( GetDevice(), Vulkan.SwapChain.Images[i].ImageView, nullptr );
Vulkan.SwapChain.Images[i].ImageView = VK_NULL_HANDLE;
}
}
Vulkan.SwapChain.Images.clear();
VkSurfaceCapabilitiesKHR surface_capabilities;
if( vkGetPhysicalDeviceSurfaceCapabilitiesKHR( Vulkan.PhysicalDevice, Vulkan.PresentationSurface, &surface_capabilities ) != VK_SUCCESS ) {
std::cout << "Could not check presentation surface capabilities!" << std::endl;
return false;
}
uint32_t formats_count;
if( (vkGetPhysicalDeviceSurfaceFormatsKHR( Vulkan.PhysicalDevice, Vulkan.PresentationSurface, &formats_count, nullptr ) != VK_SUCCESS) ||
(formats_count == 0) ) {
std::cout << "Error occurred during presentation surface formats enumeration!" << std::endl;
return false;
}
std::vector<VkSurfaceFormatKHR> surface_formats( formats_count );
if( vkGetPhysicalDeviceSurfaceFormatsKHR( Vulkan.PhysicalDevice, Vulkan.PresentationSurface, &formats_count, &surface_formats[0] ) != VK_SUCCESS ) {
std::cout << "Error occurred during presentation surface formats enumeration!" << std::endl;
return false;
}
uint32_t present_modes_count;
if( (vkGetPhysicalDeviceSurfacePresentModesKHR( Vulkan.PhysicalDevice, Vulkan.PresentationSurface, &present_modes_count, nullptr ) != VK_SUCCESS) ||
(present_modes_count == 0) ) {
std::cout << "Error occurred during presentation surface present modes enumeration!" << std::endl;
return false;
}
std::vector<VkPresentModeKHR> present_modes( present_modes_count );
if( vkGetPhysicalDeviceSurfacePresentModesKHR( Vulkan.PhysicalDevice, Vulkan.PresentationSurface, &present_modes_count, &present_modes[0] ) != VK_SUCCESS ) {
std::cout << "Error occurred during presentation surface present modes enumeration!" << std::endl;
return false;
}
uint32_t desired_number_of_images = GetSwapChainNumImages( surface_capabilities );
VkSurfaceFormatKHR desired_format = GetSwapChainFormat( surface_formats );
VkExtent2D desired_extent = GetSwapChainExtent( surface_capabilities );
VkImageUsageFlags desired_usage = GetSwapChainUsageFlags( surface_capabilities );
VkSurfaceTransformFlagBitsKHR desired_transform = GetSwapChainTransform( surface_capabilities );
VkPresentModeKHR desired_present_mode = GetSwapChainPresentMode( present_modes );
VkSwapchainKHR old_swap_chain = Vulkan.SwapChain.Handle;
if( static_cast<int>(desired_usage) == -1 ) {
return false;
}
if( static_cast<int>(desired_present_mode) == -1 ) {
return false;
}
VkSwapchainCreateInfoKHR swap_chain_create_info = {
VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR, // VkStructureType sType
nullptr, // const void *pNext
0, // VkSwapchainCreateFlagsKHR flags
Vulkan.PresentationSurface, // VkSurfaceKHR surface
desired_number_of_images, // uint32_t minImageCount
desired_format.format, // VkFormat imageFormat
desired_format.colorSpace, // VkColorSpaceKHR imageColorSpace
desired_extent, // VkExtent2D imageExtent
1, // uint32_t imageArrayLayers
desired_usage, // VkImageUsageFlags imageUsage
VK_SHARING_MODE_EXCLUSIVE, // VkSharingMode imageSharingMode
0, // uint32_t queueFamilyIndexCount
nullptr, // const uint32_t *pQueueFamilyIndices
desired_transform, // VkSurfaceTransformFlagBitsKHR preTransform
VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR, // VkCompositeAlphaFlagBitsKHR compositeAlpha
desired_present_mode, // VkPresentModeKHR presentMode
VK_TRUE, // VkBool32 clipped
old_swap_chain // VkSwapchainKHR oldSwapchain
};
if( vkCreateSwapchainKHR( Vulkan.Device, &swap_chain_create_info, nullptr, &Vulkan.SwapChain.Handle ) != VK_SUCCESS ) {
std::cout << "Could not create swap chain!" << std::endl;
return false;
}
if( old_swap_chain != VK_NULL_HANDLE ) {
vkDestroySwapchainKHR( Vulkan.Device, old_swap_chain, nullptr );
}
Vulkan.SwapChain.Format = desired_format.format;
uint32_t image_count = 0;
if( (vkGetSwapchainImagesKHR( Vulkan.Device, Vulkan.SwapChain.Handle, &image_count, nullptr ) != VK_SUCCESS) ||
(image_count == 0) ) {
std::cout << "Could not get swap chain images!" << std::endl;
return false;
}
Vulkan.SwapChain.Images.resize( image_count );
std::vector<VkImage> images( image_count );
if( vkGetSwapchainImagesKHR( Vulkan.Device, Vulkan.SwapChain.Handle, &image_count, &images[0] ) != VK_SUCCESS ) {
std::cout << "Could not get swap chain images!" << std::endl;
return false;
}
for( size_t i = 0; i < Vulkan.SwapChain.Images.size(); ++i ) {
Vulkan.SwapChain.Images[i].Handle = images[i];
}
Vulkan.SwapChain.Extent = desired_extent;
return CreateSwapChainImageViews();
}
bool SwapChain::CreateSwapChain()
{
// Look up surface properties to determine image count and dimensions
VkSurfaceCapabilitiesKHR surface_capabilities;
VkResult res = vkGetPhysicalDeviceSurfaceCapabilitiesKHR(g_vulkan_context->GetPhysicalDevice(),
m_surface, &surface_capabilities);
if (res != VK_SUCCESS)
{
LOG_VULKAN_ERROR(res, "vkGetPhysicalDeviceSurfaceCapabilitiesKHR failed: ");
return false;
}
// Select swap chain format and present mode
if (!SelectSurfaceFormat() || !SelectPresentMode())
return false;
// Select number of images in swap chain, we prefer one buffer in the background to work on
uint32_t image_count = surface_capabilities.minImageCount + 1;
// maxImageCount can be zero, in which case there isn't an upper limit on the number of buffers.
if (surface_capabilities.maxImageCount > 0)
image_count = std::min(image_count, surface_capabilities.maxImageCount);
// Determine the dimensions of the swap chain. Values of -1 indicate the size we specify here
// determines window size?
VkExtent2D size = surface_capabilities.currentExtent;
if (size.width == UINT32_MAX)
{
size.width = std::min(std::max(surface_capabilities.minImageExtent.width, 640u),
surface_capabilities.maxImageExtent.width);
size.height = std::min(std::max(surface_capabilities.minImageExtent.height, 480u),
surface_capabilities.maxImageExtent.height);
}
// Prefer identity transform if possible
VkSurfaceTransformFlagBitsKHR transform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
if (!(surface_capabilities.supportedTransforms & VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR))
transform = surface_capabilities.currentTransform;
// Select swap chain flags, we only need a colour attachment
VkImageUsageFlags image_usage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
if (!(surface_capabilities.supportedUsageFlags & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT))
{
ERROR_LOG(VIDEO, "Vulkan: Swap chain does not support usage as color attachment");
return false;
}
// Store the old/current swap chain when recreating for resize
VkSwapchainKHR old_swap_chain = m_swap_chain;
// Now we can actually create the swap chain
// TODO: Handle case where the present queue is not the graphics queue.
VkSwapchainCreateInfoKHR swap_chain_info = {VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR,
nullptr,
0,
m_surface,
image_count,
m_surface_format.format,
m_surface_format.colorSpace,
size,
1,
image_usage,
VK_SHARING_MODE_EXCLUSIVE,
0,
nullptr,
transform,
VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR,
m_present_mode,
VK_TRUE,
old_swap_chain};
res =
vkCreateSwapchainKHR(g_vulkan_context->GetDevice(), &swap_chain_info, nullptr, &m_swap_chain);
if (res != VK_SUCCESS)
{
LOG_VULKAN_ERROR(res, "vkCreateSwapchainKHR failed: ");
return false;
}
// Now destroy the old swap chain, since it's been recreated.
// We can do this immediately since all work should have been completed before calling resize.
if (old_swap_chain != VK_NULL_HANDLE)
vkDestroySwapchainKHR(g_vulkan_context->GetDevice(), old_swap_chain, nullptr);
m_width = size.width;
m_height = size.height;
return true;
}
/**
*
* @ThreadSafe
*/
ISwapchainSP VKTS_APIENTRY wsiSwapchainCreate(const VkPhysicalDevice physicalDevice, const VkDevice device, const VkSwapchainCreateFlagsKHR flags, const VkSurfaceKHR surface, const uint32_t minImageCount, const uint32_t imageArrayLayers, const VkImageUsageFlags imageUsage, const VkSharingMode imageSharingMode, const uint32_t queueFamilyIndexCount, const uint32_t* queueFamilyIndices, const VkCompositeAlphaFlagBitsKHR compositeAlpha, const VkBool32 clipped, const VkSwapchainKHR oldSwapchain)
{
if (!physicalDevice || !device)
{
return ISwapchainSP();
}
VkResult result;
//
VkSurfaceCapabilitiesKHR surfaceCapabilities;
result = vkGetPhysicalDeviceSurfaceCapabilitiesKHR(physicalDevice, surface, &surfaceCapabilities);
if (result != VK_SUCCESS)
{
vkts::logPrint(VKTS_LOG_ERROR, "Wsi: Could not get surface properties.");
return ISwapchainSP();
}
VkSurfaceTransformFlagBitsKHR preTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
if (!(surfaceCapabilities.supportedTransforms & VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR))
{
preTransform = surfaceCapabilities.currentTransform;
}
uint32_t surfacePresentModesCount;
result = vkGetPhysicalDeviceSurfacePresentModesKHR(physicalDevice, surface, &surfacePresentModesCount, nullptr);
if (result != VK_SUCCESS)
{
vkts::logPrint(VKTS_LOG_ERROR, "Wsi: Could not get surface present mode count.");
return ISwapchainSP();
}
std::unique_ptr<VkPresentModeKHR[]> surfacePresentModes = std::unique_ptr<VkPresentModeKHR[]> (new VkPresentModeKHR[surfacePresentModesCount]);
if (!surfacePresentModes.get())
{
vkts::logPrint(VKTS_LOG_ERROR, "Wsi: Could not create surface present modes.");
return ISwapchainSP();
}
result = vkGetPhysicalDeviceSurfacePresentModesKHR(physicalDevice, surface, &surfacePresentModesCount, &surfacePresentModes[0]);
if (result != VK_SUCCESS)
{
vkts::logPrint(VKTS_LOG_ERROR, "Wsi: Could not get surface present modes.");
return ISwapchainSP();
}
// Regarding specification, this present mode has to be supported.
VkPresentModeKHR presentMode = VK_PRESENT_MODE_FIFO_KHR;
uint32_t surfaceFormatsCount;
result = vkGetPhysicalDeviceSurfaceFormatsKHR(physicalDevice, surface, &surfaceFormatsCount, nullptr);
if (result != VK_SUCCESS || surfaceFormatsCount == 0)
{
vkts::logPrint(VKTS_LOG_ERROR, "Wsi: Could not get surface formats count.");
return ISwapchainSP();
}
std::unique_ptr<VkSurfaceFormatKHR[]> surfaceFormats = std::unique_ptr <VkSurfaceFormatKHR[]>(new VkSurfaceFormatKHR[surfaceFormatsCount]);
if (!surfaceFormats.get())
{
vkts::logPrint(VKTS_LOG_ERROR, "Wsi: Could not create surface formats.");
return ISwapchainSP();
}
result = vkGetPhysicalDeviceSurfaceFormatsKHR(physicalDevice, surface, &surfaceFormatsCount, &surfaceFormats[0]);
if (result != VK_SUCCESS)
{
vkts::logPrint(VKTS_LOG_ERROR, "Wsi: Could not get surface formats.");
return ISwapchainSP();
}
VkFormat imageFormat = surfaceFormats[0].format;
VkColorSpaceKHR imageColorSpace = surfaceFormats[0].colorSpace;
VkSwapchainCreateInfoKHR swapchainCreateInfo;
memset(&swapchainCreateInfo, 0, sizeof(VkSwapchainCreateInfoKHR));
swapchainCreateInfo.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
swapchainCreateInfo.flags = flags;
swapchainCreateInfo.surface = surface;
swapchainCreateInfo.minImageCount = minImageCount;
swapchainCreateInfo.imageFormat = imageFormat;
swapchainCreateInfo.imageColorSpace = imageColorSpace;
swapchainCreateInfo.imageExtent = surfaceCapabilities.currentExtent;
swapchainCreateInfo.imageArrayLayers = imageArrayLayers;
swapchainCreateInfo.imageUsage = imageUsage;
swapchainCreateInfo.imageSharingMode = imageSharingMode;
swapchainCreateInfo.queueFamilyIndexCount = queueFamilyIndexCount;
swapchainCreateInfo.pQueueFamilyIndices = queueFamilyIndices;
swapchainCreateInfo.preTransform = preTransform;
swapchainCreateInfo.compositeAlpha = compositeAlpha;
swapchainCreateInfo.presentMode = presentMode;
swapchainCreateInfo.clipped = clipped;
swapchainCreateInfo.oldSwapchain = oldSwapchain;
VkSwapchainKHR swapchain;
result = vkCreateSwapchainKHR(device, &swapchainCreateInfo, nullptr, &swapchain);
if (result != VK_SUCCESS)
{
logPrint(VKTS_LOG_ERROR, "Wsi: Could not create swapchain.");
return ISwapchainSP();
}
auto newInstance = new Swapchain(device, flags, surface, minImageCount, imageFormat, imageColorSpace, surfaceCapabilities.currentExtent, imageArrayLayers, imageUsage, imageSharingMode, queueFamilyIndexCount, queueFamilyIndices, preTransform, compositeAlpha, presentMode, clipped, oldSwapchain, swapchain);
if (!newInstance)
{
vkDestroySwapchainKHR(device, swapchain, nullptr);
return ISwapchainSP();
}
return ISwapchainSP(newInstance);
}
/**
* Good ol' main function.
*/
int main(int argc, char* argv[])
{
static int windowWidth = 800;
static int windowHeight = 600;
static const char * applicationName = "SdlVulkanDemo_03_double_buffering";
static const char * engineName = applicationName;
bool boolResult;
VkResult result;
/*
* SDL2 Initialization
*/
SDL_Window *mySdlWindow;
SDL_SysWMinfo mySdlSysWmInfo;
boolResult = vkdemos::utils::sdl2Initialization(applicationName, windowWidth, windowHeight, mySdlWindow, mySdlSysWmInfo);
assert(boolResult);
/*
* Vulkan initialization.
*/
std::vector<const char *> layersNamesToEnable;
layersNamesToEnable.push_back("VK_LAYER_LUNARG_standard_validation");
std::vector<const char *> extensionsNamesToEnable;
extensionsNamesToEnable.push_back(VK_KHR_SURFACE_EXTENSION_NAME);
extensionsNamesToEnable.push_back(VK_EXT_DEBUG_REPORT_EXTENSION_NAME);
extensionsNamesToEnable.push_back(VK_KHR_XCB_SURFACE_EXTENSION_NAME); // TODO: add support for other windowing systems
VkInstance myInstance;
boolResult = vkdemos::createVkInstance(layersNamesToEnable, extensionsNamesToEnable, applicationName, engineName, myInstance);
assert(boolResult);
VkDebugReportCallbackEXT myDebugReportCallback;
vkdemos::createDebugReportCallback(myInstance,
VK_DEBUG_REPORT_ERROR_BIT_EXT | VK_DEBUG_REPORT_WARNING_BIT_EXT | VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT | VK_DEBUG_REPORT_DEBUG_BIT_EXT,
vkdemos::debugCallback,
myDebugReportCallback
);
VkPhysicalDevice myPhysicalDevice;
boolResult = vkdemos::chooseVkPhysicalDevice(myInstance, 0, myPhysicalDevice);
assert(boolResult);
VkSurfaceKHR mySurface;
boolResult = vkdemos::createVkSurface(myInstance, mySdlSysWmInfo, mySurface);
assert(boolResult);
VkDevice myDevice;
VkQueue myQueue;
uint32_t myQueueFamilyIndex;
boolResult = vkdemos::createVkDeviceAndVkQueue(myPhysicalDevice, mySurface, layersNamesToEnable, myDevice, myQueue, myQueueFamilyIndex);
assert(boolResult);
VkSwapchainKHR mySwapchain;
VkFormat mySurfaceFormat;
boolResult = vkdemos::createVkSwapchain(myPhysicalDevice, myDevice, mySurface, windowWidth, windowHeight, FRAME_LAG, VK_NULL_HANDLE, mySwapchain, mySurfaceFormat);
assert(boolResult);
std::vector<VkImage> mySwapchainImagesVector;
std::vector<VkImageView> mySwapchainImageViewsVector;
boolResult = vkdemos::getSwapchainImagesAndViews(myDevice, mySwapchain, mySurfaceFormat, mySwapchainImagesVector, mySwapchainImageViewsVector);
assert(boolResult);
VkCommandPool myCommandPool;
boolResult = vkdemos::createCommandPool(myDevice, myQueueFamilyIndex, VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT, myCommandPool);
assert(boolResult);
VkCommandBuffer myCmdBufferInitialization;
boolResult = vkdemos::allocateCommandBuffer(myDevice, myCommandPool, VK_COMMAND_BUFFER_LEVEL_PRIMARY, myCmdBufferInitialization);
assert(boolResult);
/*
* Initializations from Demo 02 (Triangle).
*/
VkPhysicalDeviceMemoryProperties myMemoryProperties;
vkGetPhysicalDeviceMemoryProperties(myPhysicalDevice, &myMemoryProperties);
// Create the Depth Buffer's Image and View.
const VkFormat myDepthBufferFormat = VK_FORMAT_D16_UNORM;
VkImage myDepthImage;
VkImageView myDepthImageView;
VkDeviceMemory myDepthMemory;
boolResult = vkdemos::createAndAllocateImage(myDevice,
myMemoryProperties,
VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT,
0,
myDepthBufferFormat,
windowWidth,
windowHeight,
myDepthImage,
myDepthMemory,
&myDepthImageView,
VK_IMAGE_ASPECT_DEPTH_BIT
);
assert(boolResult);
// Create the renderpass.
VkRenderPass myRenderPass;
boolResult = demo02CreateRenderPass(myDevice, mySurfaceFormat, myDepthBufferFormat, myRenderPass);
assert(boolResult);
// Create the Framebuffers, based on the number of swapchain images.
std::vector<VkFramebuffer> myFramebuffersVector;
myFramebuffersVector.reserve(mySwapchainImageViewsVector.size());
for(const auto view : mySwapchainImageViewsVector) {
VkFramebuffer fb;
boolResult = vkdemos::utils::createFramebuffer(myDevice, myRenderPass, {view, myDepthImageView}, windowWidth, windowHeight, fb);
assert(boolResult);
myFramebuffersVector.push_back(fb);
}
// Create a buffer to use as the vertex buffer.
const size_t vertexBufferSize = sizeof(TriangleDemoVertex)*NUM_DEMO_VERTICES;
VkBuffer myVertexBuffer;
VkDeviceMemory myVertexBufferMemory;
boolResult = vkdemos::createAndAllocateBuffer(myDevice,
myMemoryProperties,
VK_BUFFER_USAGE_VERTEX_BUFFER_BIT,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT,
vertexBufferSize,
myVertexBuffer,
myVertexBufferMemory
);
assert(boolResult);
// Map vertex buffer and insert data
{
void *mappedBuffer;
result = vkMapMemory(myDevice, myVertexBufferMemory, 0, VK_WHOLE_SIZE, 0, &mappedBuffer);
assert(result == VK_SUCCESS);
memcpy(mappedBuffer, vertices, vertexBufferSize);
vkUnmapMemory(myDevice, myVertexBufferMemory);
}
// Create the pipeline.
const VkPipelineLayoutCreateInfo pipelineLayoutCreateInfo = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.setLayoutCount = 0,
.pSetLayouts = nullptr,
.pushConstantRangeCount = 0,
.pPushConstantRanges = nullptr,
};
VkPipelineLayout myPipelineLayout;
result = vkCreatePipelineLayout(myDevice, &pipelineLayoutCreateInfo, nullptr, &myPipelineLayout);
assert(result == VK_SUCCESS);
// Create Pipeline.
VkPipeline myGraphicsPipeline;
boolResult = demo02CreatePipeline(myDevice, myRenderPass, myPipelineLayout, VERTEX_SHADER_FILENAME, FRAGMENT_SHADER_FILENAME, VERTEX_INPUT_BINDING, myGraphicsPipeline);
assert(boolResult);
/*
* In the PerFrameData struct we group all the objects that are used in a single frame, and that
* must remain valid for the duration of that frame.
*
*/
PerFrameData perFrameDataVector[FRAME_LAG];
for(int i = 0; i < FRAME_LAG; i++)
{
boolResult = vkdemos::allocateCommandBuffer(myDevice, myCommandPool, VK_COMMAND_BUFFER_LEVEL_PRIMARY, perFrameDataVector[i].presentCmdBuffer);
assert(boolResult);
result = vkdemos::utils::createFence(myDevice, perFrameDataVector[i].presentFence);
assert(result == VK_SUCCESS);
result = vkdemos::utils::createSemaphore(myDevice, perFrameDataVector[i].imageAcquiredSemaphore);
assert(result == VK_SUCCESS);
result = vkdemos::utils::createSemaphore(myDevice, perFrameDataVector[i].renderingCompletedSemaphore);
assert(result == VK_SUCCESS);
perFrameDataVector[i].fenceInitialized = false;
}
/*
* Generation and submission of the initialization commands' command buffer.
*/
// We fill the initialization command buffer with... the initialization commands.
boolResult = demo02FillInitializationCommandBuffer(myCmdBufferInitialization, myDepthImage);
assert(boolResult);
// We now submit the command buffer to the queue we created before, and we wait
// for its completition.
VkSubmitInfo submitInfo = {
.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO,
.pNext = nullptr,
.waitSemaphoreCount = 0,
.pWaitSemaphores = nullptr,
.pWaitDstStageMask = nullptr,
.commandBufferCount = 1,
.pCommandBuffers = &myCmdBufferInitialization,
.signalSemaphoreCount = 0,
.pSignalSemaphores = nullptr
};
result = vkQueueSubmit(myQueue, 1, &submitInfo, VK_NULL_HANDLE);
assert(result == VK_SUCCESS);
// Wait for the queue to complete its work.
result = vkQueueWaitIdle(myQueue);
assert(result == VK_SUCCESS);
/*
* Event loop
*/
SDL_Event sdlEvent;
bool quit = false;
// Just some variables for frame statistics
long frameNumber = 0;
long frameMaxTime = LONG_MIN;
long frameMinTime = LONG_MAX;
long frameAvgTimeSum = 0;
long frameAvgTimeSumSquare = 0;
constexpr long FRAMES_PER_STAT = 120; // How many frames to wait before printing frame time statistics.
// The main event/render loop.
while(!quit)
{
// Process events for this frame
while(SDL_PollEvent(&sdlEvent))
{
if (sdlEvent.type == SDL_QUIT) {
quit = true;
}
if (sdlEvent.type == SDL_KEYDOWN && sdlEvent.key.keysym.sym == SDLK_ESCAPE) {
quit = true;
}
}
// Rendering code
if(!quit)
{
// Render a single frame
auto renderStartTime = std::chrono::high_resolution_clock::now();
quit = !demo03RenderSingleFrame(myDevice, myQueue, mySwapchain, myFramebuffersVector, myRenderPass, myGraphicsPipeline, myVertexBuffer, VERTEX_INPUT_BINDING, perFrameDataVector[frameNumber % FRAME_LAG], windowWidth, windowHeight);
auto renderStopTime = std::chrono::high_resolution_clock::now();
// Compute frame time statistics
auto elapsedTimeUs = std::chrono::duration_cast<std::chrono::microseconds>(renderStopTime - renderStartTime).count();
frameMaxTime = std::max(frameMaxTime, elapsedTimeUs);
frameMinTime = std::min(frameMinTime, elapsedTimeUs);
frameAvgTimeSum += elapsedTimeUs;
frameAvgTimeSumSquare += elapsedTimeUs*elapsedTimeUs;
// Print statistics if necessary
if(frameNumber % FRAMES_PER_STAT == 0)
{
auto average = frameAvgTimeSum/FRAMES_PER_STAT;
auto stddev = std::sqrt(frameAvgTimeSumSquare/FRAMES_PER_STAT - average*average);
std::cout << "Frame time: average " << std::setw(6) << average
<< " us, maximum " << std::setw(6) << frameMaxTime
<< " us, minimum " << std::setw(6) << frameMinTime
<< " us, stddev " << (long)stddev
<< " (" << std::fixed << std::setprecision(2) << (stddev/average * 100.0f) << "%)"
<< std::endl;
frameMaxTime = LONG_MIN;
frameMinTime = LONG_MAX;
frameAvgTimeSum = 0;
frameAvgTimeSumSquare = 0;
}
frameNumber++;
}
}
/*
* Deinitialization
*/
// We wait for pending operations to complete before starting to destroy stuff.
result = vkQueueWaitIdle(myQueue);
assert(result == VK_SUCCESS);
// Destroy the objects in the perFrameDataVector array.
for(int i = 0; i < FRAME_LAG; i++)
{
vkDestroyFence(myDevice, perFrameDataVector[i].presentFence, nullptr);
vkDestroySemaphore(myDevice, perFrameDataVector[i].imageAcquiredSemaphore, nullptr);
vkDestroySemaphore(myDevice, perFrameDataVector[i].renderingCompletedSemaphore, nullptr);
}
/*
* For more informations on the following commands, refer to Demo 02.
*/
vkDestroyPipeline(myDevice, myGraphicsPipeline, nullptr);
vkDestroyPipelineLayout(myDevice, myPipelineLayout, nullptr);
vkDestroyBuffer(myDevice, myVertexBuffer, nullptr);
vkFreeMemory(myDevice, myVertexBufferMemory, nullptr);
for(auto framebuffer : myFramebuffersVector)
vkDestroyFramebuffer(myDevice, framebuffer, nullptr);
vkDestroyRenderPass(myDevice, myRenderPass, nullptr);
vkDestroyImageView(myDevice, myDepthImageView, nullptr);
vkDestroyImage(myDevice, myDepthImage, nullptr);
vkFreeMemory(myDevice, myDepthMemory, nullptr);
/*
* For more informations on the following commands, refer to Demo 01.
*/
vkDestroyCommandPool(myDevice, myCommandPool, nullptr);
for(auto imgView : mySwapchainImageViewsVector)
vkDestroyImageView(myDevice, imgView, nullptr);
vkDestroySwapchainKHR(myDevice, mySwapchain, nullptr);
vkDestroyDevice(myDevice, nullptr);
vkDestroySurfaceKHR(myInstance, mySurface, nullptr);
vkdemos::destroyDebugReportCallback(myInstance, myDebugReportCallback);
vkDestroyInstance(myInstance, nullptr);
SDL_DestroyWindow(mySdlWindow);
SDL_Quit();
return 0;
}
//==============================================================================
// Vulkan破棄
//==============================================================================
void destroyVulkan()
{
for(auto& frameBuffer : g_frameBuffers)
{
vkDestroyFramebuffer(g_VulkanDevice, frameBuffer, nullptr);
}
if(g_depthBufferTexture.view)
{
vkDestroyImageView(g_VulkanDevice, g_depthBufferTexture.view, nullptr);
}
if(g_depthBufferTexture.image)
{
vkDestroyImage(g_VulkanDevice, g_depthBufferTexture.image, nullptr);
}
if(g_depthBufferTexture.memory)
{
vkFreeMemory(g_VulkanDevice, g_depthBufferTexture.memory, nullptr);
}
if(g_commandBuffers.empty() == false)
{
vkFreeCommandBuffers(g_VulkanDevice, g_VulkanCommandPool, SWAP_CHAIN_COUNT, g_commandBuffers.data());
}
if(g_VulkanCommandPool)
{
vkDestroyCommandPool(g_VulkanDevice, g_VulkanCommandPool, nullptr);
}
if(g_VulkanSemahoreRenderComplete)
{
vkDestroySemaphore(g_VulkanDevice, g_VulkanSemahoreRenderComplete, nullptr);
}
if(g_VulkanFence)
{
vkDestroyFence(g_VulkanDevice, g_VulkanFence, nullptr);
}
if(g_VulkanSwapChain)
{
vkDestroySwapchainKHR(g_VulkanDevice, g_VulkanSwapChain, nullptr);
}
if(g_VulkanSurface)
{
vkDestroySurfaceKHR(g_VulkanInstance, g_VulkanSurface, nullptr);
}
if(g_VulkanDevice)
{
vkDestroyDevice(g_VulkanDevice, nullptr);
}
if(g_VulkanInstance)
{
vkDestroyInstance(g_VulkanInstance, nullptr);
}
g_frameBuffers.clear();
g_commandBuffers.clear();
g_VulkanSurface = nullptr;
g_VulkanSwapChain = nullptr;
g_VulkanCommandPool = nullptr;
g_VulkanSemahoreRenderComplete = nullptr;
g_VulkanFence = nullptr;
g_VulkanQueue = nullptr;
g_VulkanDevice = nullptr;
g_VulkanInstance = nullptr;
}
void VulkanWindow::InitializeSwapchain()
{
vkGetPhysicalDeviceSurfaceCapabilitiesKHR ( mVulkanRenderer.GetPhysicalDevice(), mVkSurfaceKHR, &mVkSurfaceCapabilitiesKHR );
uint32_t surface_format_count = 0;
vkGetPhysicalDeviceSurfaceFormatsKHR ( mVulkanRenderer.GetPhysicalDevice(), mVkSurfaceKHR, &surface_format_count, nullptr );
if ( surface_format_count == 0 )
{
std::ostringstream stream;
stream << "Physical device reports no surface formats.";
throw std::runtime_error ( stream.str().c_str() );
}
VkSurfaceFormatKHR surface_format_khr;
std::vector<VkSurfaceFormatKHR> surface_format_list ( surface_format_count );
vkGetPhysicalDeviceSurfaceFormatsKHR ( mVulkanRenderer.GetPhysicalDevice(), mVkSurfaceKHR, &surface_format_count, surface_format_list.data() );
if ( surface_format_list[0].format == VK_FORMAT_UNDEFINED )
{
surface_format_khr = mVulkanRenderer.GetSurfaceFormatKHR();
}
else
{
surface_format_khr = surface_format_list[0];
}
if ( mSwapchainImageCount < mVkSurfaceCapabilitiesKHR.minImageCount )
{
mSwapchainImageCount = mVkSurfaceCapabilitiesKHR.minImageCount;
}
if ( ( mVkSurfaceCapabilitiesKHR.maxImageCount > 0 ) &&
( mSwapchainImageCount > mVkSurfaceCapabilitiesKHR.maxImageCount ) )
{
mSwapchainImageCount = mVkSurfaceCapabilitiesKHR.maxImageCount;
}
VkSwapchainCreateInfoKHR swapchain_create_info{};
swapchain_create_info.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
swapchain_create_info.surface = mVkSurfaceKHR;
swapchain_create_info.minImageCount = mSwapchainImageCount;
swapchain_create_info.imageFormat = surface_format_khr.format;
swapchain_create_info.imageColorSpace = surface_format_khr.colorSpace;
swapchain_create_info.imageExtent.width = mVkSurfaceCapabilitiesKHR.currentExtent.width;
swapchain_create_info.imageExtent.height = mVkSurfaceCapabilitiesKHR.currentExtent.height;
swapchain_create_info.imageArrayLayers = 1;
swapchain_create_info.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
swapchain_create_info.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
swapchain_create_info.queueFamilyIndexCount = 0;
swapchain_create_info.pQueueFamilyIndices = nullptr;
swapchain_create_info.preTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
swapchain_create_info.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
swapchain_create_info.presentMode = VK_PRESENT_MODE_FIFO_KHR; // This may be reset below.
swapchain_create_info.clipped = VK_TRUE;
swapchain_create_info.oldSwapchain = mVkSwapchainKHR; // Used for Resising.
{
uint32_t present_mode_count = 0;
vkGetPhysicalDeviceSurfacePresentModesKHR ( mVulkanRenderer.GetPhysicalDevice(), mVkSurfaceKHR, &present_mode_count, nullptr );
std::vector<VkPresentModeKHR> present_mode_list ( present_mode_count );
vkGetPhysicalDeviceSurfacePresentModesKHR ( mVulkanRenderer.GetPhysicalDevice(), mVkSurfaceKHR, &present_mode_count, present_mode_list.data() );
for ( auto& i : present_mode_list )
{
if ( i == VK_PRESENT_MODE_MAILBOX_KHR )
{
swapchain_create_info.presentMode = i;
break;
}
}
}
if ( VkResult result = vkCreateSwapchainKHR ( mVulkanRenderer.GetDevice(), &swapchain_create_info, nullptr, &mVkSwapchainKHR ) )
{
std::ostringstream stream;
stream << "Call to vkCreateSwapchainKHR failed: ( " << GetVulkanResultString ( result ) << " )";
throw std::runtime_error ( stream.str().c_str() );
}
if ( swapchain_create_info.oldSwapchain != VK_NULL_HANDLE )
{
vkDestroySwapchainKHR ( mVulkanRenderer.GetDevice(), swapchain_create_info.oldSwapchain, nullptr );
}
}
//[-------------------------------------------------------]
//[ Public methods ]
//[-------------------------------------------------------]
SwapChain::SwapChain(VulkanRenderer &vulkanRenderer, handle nativeWindowHandle) :
ISwapChain(vulkanRenderer),
mNativeWindowHandle(nativeWindowHandle),
mVkSurfaceKHR(VK_NULL_HANDLE),
mVkSwapchainKHR(VK_NULL_HANDLE),
mSwapchainImageCount(0)
{
// Get the Vulkan instance and the Vulkan physical device
const VkInstance vkInstance = vulkanRenderer.getVulkanRuntimeLinking().getVkInstance();
const IContext& context = vulkanRenderer.getContext();
const VkPhysicalDevice vkPhysicalDevice = context.getVkPhysicalDevice();
const VkDevice vkDevice = context.getVkDevice();
// Create Vulkan surface instance depending on OS
#ifdef _WIN32
VkWin32SurfaceCreateInfoKHR vkWin32SurfaceCreateInfoKHR = {};
vkWin32SurfaceCreateInfoKHR.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
vkWin32SurfaceCreateInfoKHR.hinstance = reinterpret_cast<HINSTANCE>(::GetWindowLong(reinterpret_cast<HWND>(nativeWindowHandle), GWL_HINSTANCE));
vkWin32SurfaceCreateInfoKHR.hwnd = reinterpret_cast<HWND>(nativeWindowHandle);
VkResult vkResult = vkCreateWin32SurfaceKHR(vkInstance, &vkWin32SurfaceCreateInfoKHR, nullptr, &mVkSurfaceKHR);
#else
#ifdef __ANDROID__
// TODO(co) Not tested - see https://github.com/SaschaWillems/Vulkan
VkAndroidSurfaceCreateInfoKHR vkAndroidSurfaceCreateInfoKHR = {};
vkAndroidSurfaceCreateInfoKHR.sType = VK_STRUCTURE_TYPE_ANDROID_SURFACE_CREATE_INFO_KHR;
vkAndroidSurfaceCreateInfoKHR.window = window;
VkResult vkResult = vkCreateAndroidSurfaceKHR(vkInstance, &vkAndroidSurfaceCreateInfoKHR, nullptr, &mVkSurfaceKHR);
#else
// TODO(co) Not tested - see https://github.com/SaschaWillems/Vulkan
VkXcbSurfaceCreateInfoKHR vkXcbSurfaceCreateInfoKHR = {};
vkXcbSurfaceCreateInfoKHR.sType = VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR;
vkXcbSurfaceCreateInfoKHR.connection = connection;
vkXcbSurfaceCreateInfoKHR.window = window;
VkResult vkResult = vkCreateXcbSurfaceKHR(vkInstance, &vkXcbSurfaceCreateInfoKHR, nullptr, &mVkSurfaceKHR);
#endif
#endif
// Get list of supported surface formats
uint32_t surfaceFormatCount = 0;
vkResult = vkGetPhysicalDeviceSurfaceFormatsKHR(vkPhysicalDevice, mVkSurfaceKHR, &surfaceFormatCount, nullptr);
// assert(!vkResult);
// assert(surfaceFormatCount > 0);
std::vector<VkSurfaceFormatKHR> vkSurfaceFormatKHRs(surfaceFormatCount);
vkResult = vkGetPhysicalDeviceSurfaceFormatsKHR(vkPhysicalDevice, mVkSurfaceKHR, &surfaceFormatCount, vkSurfaceFormatKHRs.data());
// assert(!vkResult);
// If the surface format list only includes one entry with VK_FORMAT_UNDEFINED,
// there is no preferred format, so we assume VK_FORMAT_B8G8R8A8_UNORM
VkFormat colorVkFormat;
if ((surfaceFormatCount == 1) && (vkSurfaceFormatKHRs[0].format == VK_FORMAT_UNDEFINED))
{
colorVkFormat = VK_FORMAT_B8G8R8A8_UNORM;
}
else
{
// Always select the first available color format
// If you need a specific format (e.g. SRGB) you'd need to
// iterate over the list of available surface format and
// check for it's presence
colorVkFormat = vkSurfaceFormatKHRs[0].format;
}
VkColorSpaceKHR vkColorSpaceKHR = vkSurfaceFormatKHRs[0].colorSpace;
// Get the width and height of the given native window and ensure they are never ever zero
// -> See "getSafeWidthAndHeight()"-method comments for details
uint32_t width = 1;
uint32_t height = 1;
#ifdef _WIN32
{
// Get the client rectangle of the given native window
RECT rect;
::GetClientRect(reinterpret_cast<HWND>(nativeWindowHandle), &rect);
// Get the width and height...
width = static_cast<uint32_t>(rect.right - rect.left);
height = static_cast<uint32_t>(rect.bottom - rect.top);
// ... and ensure that none of them is ever zero
if (width < 1)
{
width = 1;
}
if (height < 1)
{
height = 1;
}
}
#endif
// TODO(co) Move the rest into a method
VkSwapchainKHR oldVkSwapchainKHR = mVkSwapchainKHR;
// Get physical device surface properties and formats
VkSurfaceCapabilitiesKHR vkSurfaceCapabilitiesKHR;
vkResult = vkGetPhysicalDeviceSurfaceCapabilitiesKHR(vkPhysicalDevice, mVkSurfaceKHR, &vkSurfaceCapabilitiesKHR);
// assert(!vkResult);
// Get available present modes
uint32_t presentModeCount = 0;
vkResult = vkGetPhysicalDeviceSurfacePresentModesKHR(vkPhysicalDevice, mVkSurfaceKHR, &presentModeCount, nullptr);
// assert(!vkResult);
// assert(presentModeCount > 0);
std::vector<VkPresentModeKHR> vkPresentModeKHRs(presentModeCount);
vkResult = vkGetPhysicalDeviceSurfacePresentModesKHR(vkPhysicalDevice, mVkSurfaceKHR, &presentModeCount, vkPresentModeKHRs.data());
// assert(!vkResult);
// Width and height are either both -1, or both not -1.
VkExtent2D swapchainExtent = {};
if (vkSurfaceCapabilitiesKHR.currentExtent.width == -1)
{
// If the surface size is undefined, the size is set to
// the size of the images requested.
swapchainExtent.width = width;
swapchainExtent.height = height;
}
else
{
// If the surface size is defined, the swap chain size must match
swapchainExtent = vkSurfaceCapabilitiesKHR.currentExtent;
width = vkSurfaceCapabilitiesKHR.currentExtent.width;
height = vkSurfaceCapabilitiesKHR.currentExtent.height;
}
// Prefer mailbox mode if present, it's the lowest latency non-tearing present mode
VkPresentModeKHR swapchainPresentMode = VK_PRESENT_MODE_FIFO_KHR;
for (size_t i = 0; i < presentModeCount; ++i)
{
if (vkPresentModeKHRs[i] == VK_PRESENT_MODE_MAILBOX_KHR)
{
swapchainPresentMode = VK_PRESENT_MODE_MAILBOX_KHR;
break;
}
if ((swapchainPresentMode != VK_PRESENT_MODE_MAILBOX_KHR) && (vkPresentModeKHRs[i] == VK_PRESENT_MODE_IMMEDIATE_KHR))
{
swapchainPresentMode = VK_PRESENT_MODE_IMMEDIATE_KHR;
}
}
// Determine the number of images
uint32_t desiredNumberOfSwapchainImages = vkSurfaceCapabilitiesKHR.minImageCount + 1;
if ((vkSurfaceCapabilitiesKHR.maxImageCount > 0) && (desiredNumberOfSwapchainImages > vkSurfaceCapabilitiesKHR.maxImageCount))
{
desiredNumberOfSwapchainImages = vkSurfaceCapabilitiesKHR.maxImageCount;
}
VkSurfaceTransformFlagsKHR vkSurfaceTransformFlagsKHR;
if (vkSurfaceCapabilitiesKHR.supportedTransforms & VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR)
{
vkSurfaceTransformFlagsKHR = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
}
else
{
vkSurfaceTransformFlagsKHR = vkSurfaceCapabilitiesKHR.currentTransform;
}
VkSwapchainCreateInfoKHR vkSwapchainCreateInfoKHR = {};
vkSwapchainCreateInfoKHR.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
vkSwapchainCreateInfoKHR.surface = mVkSurfaceKHR;
vkSwapchainCreateInfoKHR.minImageCount = desiredNumberOfSwapchainImages;
vkSwapchainCreateInfoKHR.imageFormat = colorVkFormat;
vkSwapchainCreateInfoKHR.imageColorSpace = vkColorSpaceKHR;
vkSwapchainCreateInfoKHR.imageExtent = { swapchainExtent.width, swapchainExtent.height };
vkSwapchainCreateInfoKHR.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
vkSwapchainCreateInfoKHR.preTransform = static_cast<VkSurfaceTransformFlagBitsKHR>(vkSurfaceTransformFlagsKHR);
vkSwapchainCreateInfoKHR.imageArrayLayers = 1;
vkSwapchainCreateInfoKHR.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
vkSwapchainCreateInfoKHR.presentMode = swapchainPresentMode;
vkSwapchainCreateInfoKHR.oldSwapchain = oldVkSwapchainKHR;
vkSwapchainCreateInfoKHR.clipped = true;
vkSwapchainCreateInfoKHR.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
vkResult = vkCreateSwapchainKHR(vkDevice, &vkSwapchainCreateInfoKHR, nullptr, &mVkSwapchainKHR);
// assert(!vkResult);
// If an existing swap chain is re-created, destroy the old swap chain
// This also cleans up all the presentable images
if (VK_NULL_HANDLE != oldVkSwapchainKHR)
{
for (uint32_t i = 0; i < mSwapchainImageCount; ++i)
{
vkDestroyImageView(vkDevice, mSwapChainBuffer[i].view, nullptr);
}
vkDestroySwapchainKHR(vkDevice, oldVkSwapchainKHR, nullptr);
}
vkResult = vkGetSwapchainImagesKHR(vkDevice, mVkSwapchainKHR, &mSwapchainImageCount, nullptr);
// assert(!vkResult);
// Get the swap chain images
mVkImages.resize(mSwapchainImageCount);
vkResult = vkGetSwapchainImagesKHR(vkDevice, mVkSwapchainKHR, &mSwapchainImageCount, mVkImages.data());
// assert(!vkResult);
// Get the swap chain buffers containing the image and image view
mSwapChainBuffer.resize(mSwapchainImageCount);
for (uint32_t i = 0; i < mSwapchainImageCount; ++i)
{
VkImageViewCreateInfo colorAttachmentView = {};
colorAttachmentView.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
colorAttachmentView.format = colorVkFormat;
colorAttachmentView.components = {
VK_COMPONENT_SWIZZLE_R,
VK_COMPONENT_SWIZZLE_G,
VK_COMPONENT_SWIZZLE_B,
VK_COMPONENT_SWIZZLE_A
};
colorAttachmentView.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
colorAttachmentView.subresourceRange.levelCount = 1;
colorAttachmentView.subresourceRange.layerCount = 1;
colorAttachmentView.viewType = VK_IMAGE_VIEW_TYPE_2D;
mSwapChainBuffer[i].image = mVkImages[i];
// Transform images from initial (undefined) to present layout
Helper::setImageLayout(context.getSetupVkCommandBuffer(), mSwapChainBuffer[i].image, VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_PRESENT_SRC_KHR, VK_IMAGE_ASPECT_COLOR_BIT);
colorAttachmentView.image = mSwapChainBuffer[i].image;
vkResult = vkCreateImageView(vkDevice, &colorAttachmentView, nullptr, &mSwapChainBuffer[i].view);
// assert(!vkResult);
}
}
int main(int argc, char *argv[]) {
VkResult U_ASSERT_ONLY res;
struct sample_info info = {};
char sample_title[] = "Swapchain Initialization Sample";
/*
* Set up swapchain:
* - Get supported uses for all queues
* - Try to find a queue that supports both graphics and present
* - If no queue supports both, find a present queue and make sure we have a
* graphics queue
* - Get a list of supported formats and use the first one
* - Get surface properties and present modes and use them to create a swap
* chain
* - Create swap chain buffers
* - For each buffer, create a color attachment view and set its layout to
* color attachment
*/
init_global_layer_properties(info);
init_instance_extension_names(info);
init_device_extension_names(info);
init_instance(info, sample_title);
init_enumerate_device(info);
init_connection(info);
init_window_size(info, 50, 50);
init_window(info);
/* VULKAN_KEY_START */
// Construct the surface description:
#ifdef _WIN32
VkWin32SurfaceCreateInfoKHR createInfo = {};
createInfo.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
createInfo.pNext = NULL;
createInfo.hinstance = info.connection;
createInfo.hwnd = info.window;
res = vkCreateWin32SurfaceKHR(info.inst, &createInfo, NULL, &info.surface);
#else // _WIN32
VkXcbSurfaceCreateInfoKHR createInfo = {};
createInfo.sType = VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR;
createInfo.pNext = NULL;
createInfo.connection = info.connection;
createInfo.window = info.window;
res = vkCreateXcbSurfaceKHR(info.inst, &createInfo, NULL, &info.surface);
#endif // _WIN32
assert(res == VK_SUCCESS);
// Iterate over each queue to learn whether it supports presenting:
VkBool32 *supportsPresent =
(VkBool32 *)malloc(info.queue_count * sizeof(VkBool32));
for (uint32_t i = 0; i < info.queue_count; i++) {
vkGetPhysicalDeviceSurfaceSupportKHR(info.gpus[0], i, info.surface,
&supportsPresent[i]);
}
// Search for a graphics queue and a present queue in the array of queue
// families, try to find one that supports both
uint32_t graphicsQueueNodeIndex = UINT32_MAX;
for (uint32_t i = 0; i < info.queue_count; i++) {
if ((info.queue_props[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) != 0) {
if (supportsPresent[i] == VK_TRUE) {
graphicsQueueNodeIndex = i;
break;
}
}
}
free(supportsPresent);
// Generate error if could not find a queue that supports both a graphics
// and present
if (graphicsQueueNodeIndex == UINT32_MAX) {
std::cout << "Could not find a queue that supports both graphics and "
"present\n";
exit(-1);
}
info.graphics_queue_family_index = graphicsQueueNodeIndex;
init_device(info);
// Get the list of VkFormats that are supported:
uint32_t formatCount;
res = vkGetPhysicalDeviceSurfaceFormatsKHR(info.gpus[0], info.surface,
&formatCount, NULL);
assert(res == VK_SUCCESS);
VkSurfaceFormatKHR *surfFormats =
(VkSurfaceFormatKHR *)malloc(formatCount * sizeof(VkSurfaceFormatKHR));
res = vkGetPhysicalDeviceSurfaceFormatsKHR(info.gpus[0], info.surface,
&formatCount, surfFormats);
assert(res == VK_SUCCESS);
// If the format list includes just one entry of VK_FORMAT_UNDEFINED,
// the surface has no preferred format. Otherwise, at least one
// supported format will be returned.
if (formatCount == 1 && surfFormats[0].format == VK_FORMAT_UNDEFINED) {
info.format = VK_FORMAT_B8G8R8A8_UNORM;
} else {
assert(formatCount >= 1);
info.format = surfFormats[0].format;
}
VkSurfaceCapabilitiesKHR surfCapabilities;
res = vkGetPhysicalDeviceSurfaceCapabilitiesKHR(info.gpus[0], info.surface,
&surfCapabilities);
assert(res == VK_SUCCESS);
uint32_t presentModeCount;
res = vkGetPhysicalDeviceSurfacePresentModesKHR(info.gpus[0], info.surface,
&presentModeCount, NULL);
assert(res == VK_SUCCESS);
VkPresentModeKHR *presentModes =
(VkPresentModeKHR *)malloc(presentModeCount * sizeof(VkPresentModeKHR));
res = vkGetPhysicalDeviceSurfacePresentModesKHR(
info.gpus[0], info.surface, &presentModeCount, presentModes);
assert(res == VK_SUCCESS);
VkExtent2D swapChainExtent;
// width and height are either both -1, or both not -1.
if (surfCapabilities.currentExtent.width == (uint32_t)-1) {
// If the surface size is undefined, the size is set to
// the size of the images requested.
swapChainExtent.width = info.width;
swapChainExtent.height = info.height;
} else {
// If the surface size is defined, the swap chain size must match
swapChainExtent = surfCapabilities.currentExtent;
}
// If mailbox mode is available, use it, as is the lowest-latency non-
// tearing mode. If not, try IMMEDIATE which will usually be available,
// and is fastest (though it tears). If not, fall back to FIFO which is
// always available.
VkPresentModeKHR swapchainPresentMode = VK_PRESENT_MODE_FIFO_KHR;
for (size_t i = 0; i < presentModeCount; i++) {
if (presentModes[i] == VK_PRESENT_MODE_MAILBOX_KHR) {
swapchainPresentMode = VK_PRESENT_MODE_MAILBOX_KHR;
break;
}
if ((swapchainPresentMode != VK_PRESENT_MODE_MAILBOX_KHR) &&
(presentModes[i] == VK_PRESENT_MODE_IMMEDIATE_KHR)) {
swapchainPresentMode = VK_PRESENT_MODE_IMMEDIATE_KHR;
}
}
// Determine the number of VkImage's to use in the swap chain (we desire to
// own only 1 image at a time, besides the images being displayed and
// queued for display):
uint32_t desiredNumberOfSwapChainImages =
surfCapabilities.minImageCount + 1;
if ((surfCapabilities.maxImageCount > 0) &&
(desiredNumberOfSwapChainImages > surfCapabilities.maxImageCount)) {
// Application must settle for fewer images than desired:
desiredNumberOfSwapChainImages = surfCapabilities.maxImageCount;
}
VkSurfaceTransformFlagBitsKHR preTransform;
if (surfCapabilities.supportedTransforms &
VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR) {
preTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
} else {
preTransform = surfCapabilities.currentTransform;
}
VkSwapchainCreateInfoKHR swap_chain = {};
swap_chain.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
swap_chain.pNext = NULL;
swap_chain.surface = info.surface;
swap_chain.minImageCount = desiredNumberOfSwapChainImages;
swap_chain.imageFormat = info.format;
swap_chain.imageExtent.width = swapChainExtent.width;
swap_chain.imageExtent.height = swapChainExtent.height;
swap_chain.preTransform = preTransform;
swap_chain.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
swap_chain.imageArrayLayers = 1;
swap_chain.presentMode = swapchainPresentMode;
swap_chain.oldSwapchain = NULL;
swap_chain.clipped = true;
swap_chain.imageColorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR;
swap_chain.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
swap_chain.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
swap_chain.queueFamilyIndexCount = 0;
swap_chain.pQueueFamilyIndices = NULL;
res =
vkCreateSwapchainKHR(info.device, &swap_chain, NULL, &info.swap_chain);
assert(res == VK_SUCCESS);
res = vkGetSwapchainImagesKHR(info.device, info.swap_chain,
&info.swapchainImageCount, NULL);
assert(res == VK_SUCCESS);
VkImage *swapchainImages =
(VkImage *)malloc(info.swapchainImageCount * sizeof(VkImage));
assert(swapchainImages);
res = vkGetSwapchainImagesKHR(info.device, info.swap_chain,
&info.swapchainImageCount, swapchainImages);
assert(res == VK_SUCCESS);
info.buffers.resize(info.swapchainImageCount);
// Going to need a command buffer to send the memory barriers in
// set_image_layout but we couldn't have created one before we knew
// what our graphics_queue_family_index is, but now that we have it,
// create the command buffer
init_command_pool(info);
init_command_buffer(info);
execute_begin_command_buffer(info);
vkGetDeviceQueue(info.device, info.graphics_queue_family_index, 0,
&info.queue);
for (uint32_t i = 0; i < info.swapchainImageCount; i++) {
VkImageViewCreateInfo color_image_view = {};
color_image_view.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
color_image_view.pNext = NULL;
color_image_view.format = info.format;
color_image_view.components.r = VK_COMPONENT_SWIZZLE_R;
color_image_view.components.g = VK_COMPONENT_SWIZZLE_G;
color_image_view.components.b = VK_COMPONENT_SWIZZLE_B;
color_image_view.components.a = VK_COMPONENT_SWIZZLE_A;
color_image_view.subresourceRange.aspectMask =
VK_IMAGE_ASPECT_COLOR_BIT;
color_image_view.subresourceRange.baseMipLevel = 0;
color_image_view.subresourceRange.levelCount = 1;
color_image_view.subresourceRange.baseArrayLayer = 0;
color_image_view.subresourceRange.layerCount = 1;
color_image_view.viewType = VK_IMAGE_VIEW_TYPE_2D;
color_image_view.flags = 0;
info.buffers[i].image = swapchainImages[i];
set_image_layout(info, info.buffers[i].image, VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_UNDEFINED,
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL);
color_image_view.image = info.buffers[i].image;
res = vkCreateImageView(info.device, &color_image_view, NULL,
&info.buffers[i].view);
assert(res == VK_SUCCESS);
}
free(swapchainImages);
execute_end_command_buffer(info);
execute_queue_command_buffer(info);
/* VULKAN_KEY_END */
/* Clean Up */
VkCommandBuffer cmd_bufs[1] = {info.cmd};
vkFreeCommandBuffers(info.device, info.cmd_pool, 1, cmd_bufs);
vkDestroyCommandPool(info.device, info.cmd_pool, NULL);
for (uint32_t i = 0; i < info.swapchainImageCount; i++) {
vkDestroyImageView(info.device, info.buffers[i].view, NULL);
}
vkDestroySwapchainKHR(info.device, info.swap_chain, NULL);
destroy_device(info);
destroy_window(info);
destroy_instance(info);
return 0;
}
GrManagerImpl::~GrManagerImpl()
{
// FIRST THING: wait for the GPU
if(m_queue)
{
LockGuard<Mutex> lock(m_globalMtx);
vkQueueWaitIdle(m_queue);
m_queue = VK_NULL_HANDLE;
}
// SECOND THING: The destroy everything that has a reference to GrObjects.
for(auto& x : m_backbuffers)
{
if(x.m_imageView)
{
vkDestroyImageView(m_device, x.m_imageView, nullptr);
x.m_imageView = VK_NULL_HANDLE;
}
}
for(auto& x : m_perFrame)
{
x.m_presentFence.reset(nullptr);
x.m_acquireSemaphore.reset(nullptr);
x.m_renderSemaphore.reset(nullptr);
x.m_cmdbsSubmitted.destroy(getAllocator());
}
m_perThread.destroy(getAllocator());
if(m_samplerCache)
{
getAllocator().deleteInstance(m_samplerCache);
}
// THIRD THING: Continue with the rest
m_rpCreator.destroy();
m_pplineLayFactory.destroy();
m_dsetAlloc.destroy();
m_transientMem.destroy();
m_gpuMemManager.destroy();
m_semaphores.destroy(); // Destroy before fences
m_fences.destroy();
if(m_swapchain)
{
vkDestroySwapchainKHR(m_device, m_swapchain, nullptr);
}
if(m_pplineCache)
{
vkDestroyPipelineCache(m_device, m_pplineCache, nullptr);
}
if(m_device)
{
vkDestroyDevice(m_device, nullptr);
}
if(m_surface)
{
vkDestroySurfaceKHR(m_instance, m_surface, nullptr);
}
if(m_instance)
{
vkDestroyInstance(m_instance, nullptr);
}
}