SwapChainSupportDetails query_swap_chain_support(VkPhysicalDevice device)
{
SwapChainSupportDetails details;
vkGetPhysicalDeviceSurfaceCapabilitiesKHR(device, surface, &details.capabilities);
uint32_t formatCount;
vkGetPhysicalDeviceSurfaceFormatsKHR(device, surface, &formatCount, nullptr);
if (formatCount != 0)
{
details.formats.resize(formatCount);
vkGetPhysicalDeviceSurfaceFormatsKHR(device, surface, &formatCount, details.formats.data());
}
uint32_t presentModeCount;
vkGetPhysicalDeviceSurfacePresentModesKHR(device, surface, &presentModeCount, nullptr);
if (presentModeCount != 0)
{
details.presentModes.resize(presentModeCount);
vkGetPhysicalDeviceSurfacePresentModesKHR(device, surface, &presentModeCount, details.presentModes.data());
}
return details;
}
bool getSurfacePresentModes()
{
u32 modesCount = 0;
HR( vkGetPhysicalDeviceSurfacePresentModesKHR( gDevices[0], gSurface, &modesCount, nullptr ) );
gPresentModes.resize( modesCount );
HR( vkGetPhysicalDeviceSurfacePresentModesKHR( gDevices[0], gSurface, &modesCount, gPresentModes.data() ) );
return true;
}
bool SwapChain::SelectPresentMode()
{
VkResult res;
u32 mode_count;
res = vkGetPhysicalDeviceSurfacePresentModesKHR(g_vulkan_context->GetPhysicalDevice(), m_surface,
&mode_count, nullptr);
if (res != VK_SUCCESS || mode_count == 0)
{
LOG_VULKAN_ERROR(res, "vkGetPhysicalDeviceSurfaceFormatsKHR failed: ");
return false;
}
std::vector<VkPresentModeKHR> present_modes(mode_count);
res = vkGetPhysicalDeviceSurfacePresentModesKHR(g_vulkan_context->GetPhysicalDevice(), m_surface,
&mode_count, present_modes.data());
_assert_(res == VK_SUCCESS);
// Checks if a particular mode is supported, if it is, returns that mode.
auto CheckForMode = [&present_modes](VkPresentModeKHR check_mode) {
auto it = std::find_if(present_modes.begin(), present_modes.end(),
[check_mode](VkPresentModeKHR mode) { return check_mode == mode; });
return it != present_modes.end();
};
// If vsync is enabled, use VK_PRESENT_MODE_FIFO_KHR.
// This check should not fail with conforming drivers, as the FIFO present mode is mandated by
// the specification (VK_KHR_swapchain). In case it isn't though, fall through to any other mode.
if (m_vsync_enabled && CheckForMode(VK_PRESENT_MODE_FIFO_KHR))
{
m_present_mode = VK_PRESENT_MODE_FIFO_KHR;
return true;
}
// Prefer screen-tearing, if possible, for lowest latency.
if (CheckForMode(VK_PRESENT_MODE_IMMEDIATE_KHR))
{
m_present_mode = VK_PRESENT_MODE_IMMEDIATE_KHR;
return true;
}
// Use optimized-vsync above vsync.
if (CheckForMode(VK_PRESENT_MODE_MAILBOX_KHR))
{
m_present_mode = VK_PRESENT_MODE_MAILBOX_KHR;
return true;
}
// Fall back to whatever is available.
m_present_mode = present_modes[0];
return true;
}
void Window::_InitSwapchain()
{
// This code is old and the fixed one is below
// if( _swapchain_image_count > _surface_capabilities.maxImageCount ) _swapchain_image_count = _surface_capabilities.maxImageCount;
// if( _swapchain_image_count < _surface_capabilities.minImageCount + 1 ) _swapchain_image_count = _surface_capabilities.minImageCount + 1;
// The code above will work just fine in our tutorials and likely on every possible implementation of vulkan as well
// so this change isn't that important. Just to be absolutely sure we don't go over or below the given limits we should check this a
// little bit different though. maxImageCount can actually be zero in which case the amount of swapchain images do not have an
// upper limit other than available memory. It's also possible that the swapchain image amount is locked to a certain
// value on certain systems. The code below takes into consideration both of these possibilities.
if( _swapchain_image_count < _surface_capabilities.minImageCount + 1 ) _swapchain_image_count = _surface_capabilities.minImageCount + 1;
if( _surface_capabilities.maxImageCount > 0 ) {
if( _swapchain_image_count > _surface_capabilities.maxImageCount ) _swapchain_image_count = _surface_capabilities.maxImageCount;
}
VkPresentModeKHR present_mode = VK_PRESENT_MODE_FIFO_KHR;
{
uint32_t present_mode_count = 0;
ErrorCheck( vkGetPhysicalDeviceSurfacePresentModesKHR( _renderer->GetVulkanPhysicalDevice(), _surface, &present_mode_count, nullptr ) );
std::vector<VkPresentModeKHR> present_mode_list( present_mode_count );
ErrorCheck( vkGetPhysicalDeviceSurfacePresentModesKHR( _renderer->GetVulkanPhysicalDevice(), _surface, &present_mode_count, present_mode_list.data() ) );
for( auto m : present_mode_list ) {
if( m == VK_PRESENT_MODE_MAILBOX_KHR ) present_mode = m;
}
}
VkSwapchainCreateInfoKHR swapchain_create_info {};
swapchain_create_info.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
swapchain_create_info.surface = _surface;
swapchain_create_info.minImageCount = _swapchain_image_count;
swapchain_create_info.imageFormat = _surface_format.format;
swapchain_create_info.imageColorSpace = _surface_format.colorSpace;
swapchain_create_info.imageExtent.width = _surface_size_x;
swapchain_create_info.imageExtent.height = _surface_size_y;
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 = present_mode;
swapchain_create_info.clipped = VK_TRUE;
swapchain_create_info.oldSwapchain = VK_NULL_HANDLE;
ErrorCheck( vkCreateSwapchainKHR( _renderer->GetVulkanDevice(), &swapchain_create_info, nullptr, &_swapchain ) );
ErrorCheck( vkGetSwapchainImagesKHR( _renderer->GetVulkanDevice(), _swapchain, &_swapchain_image_count, nullptr ) );
}
void Window::_InitSwapchain() {
if (_swapchain_image_count < _surface_capabilities.minImageCount)
_swapchain_image_count = _surface_capabilities.minImageCount + 1;
if (_swapchain_image_count > _surface_capabilities.maxImageCount)
_swapchain_image_count = _surface_capabilities.maxImageCount;
VkPresentModeKHR present_mode = VK_PRESENT_MODE_FIFO_KHR;
{
uint32_t present_mode_count = 0;
ErrorCheck(vkGetPhysicalDeviceSurfacePresentModesKHR(_renderer->getPhysicalDevice(), _surface, &present_mode_count, nullptr));
std::vector<VkPresentModeKHR> present_mode_list(present_mode_count);
ErrorCheck(vkGetPhysicalDeviceSurfacePresentModesKHR(_renderer->getPhysicalDevice(), _surface, &present_mode_count, present_mode_list.data()));
for (auto m : present_mode_list) {
if (m == VK_PRESENT_MODE_MAILBOX_KHR)
present_mode = m;
}
}
VkSwapchainCreateInfoKHR swapchain_create_info {};
swapchain_create_info.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
swapchain_create_info.surface = _surface;
swapchain_create_info.minImageCount = _swapchain_image_count; // Buffers
swapchain_create_info.imageFormat = _surface_format.format;
swapchain_create_info.imageColorSpace = _surface_format.colorSpace;
swapchain_create_info.imageExtent.width = _surface_size_x;
swapchain_create_info.imageExtent.height = _surface_size_y;
swapchain_create_info.imageArrayLayers = 1; // Number of images (mono, stereo)
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 = present_mode;
swapchain_create_info.clipped = VK_TRUE;
swapchain_create_info.oldSwapchain = VK_NULL_HANDLE;
ErrorCheck(vkCreateSwapchainKHR(_renderer->getDevice(), &swapchain_create_info, nullptr, &_swapchain));
ErrorCheck(vkGetSwapchainImagesKHR(_renderer->getDevice(), _swapchain, &_swapchain_image_count, nullptr));
}
void VulkanSwapChain::rebuild(const SPtr<VulkanDevice>& device, VkSurfaceKHR surface, UINT32 width, UINT32 height,
bool vsync, VkFormat colorFormat, VkColorSpaceKHR colorSpace, bool createDepth, VkFormat depthFormat)
{
mDevice = device;
VkResult result;
VkPhysicalDevice physicalDevice = device->getPhysical();
// Determine swap chain dimensions
VkSurfaceCapabilitiesKHR surfaceCaps;
result = vkGetPhysicalDeviceSurfaceCapabilitiesKHR(physicalDevice, surface, &surfaceCaps);
assert(result == VK_SUCCESS);
VkExtent2D swapchainExtent;
// If width/height is 0xFFFFFFFF, we can manually specify width, height
if (surfaceCaps.currentExtent.width == (uint32_t)-1 || surfaceCaps.currentExtent.height == (uint32_t)-1)
{
swapchainExtent.width = width;
swapchainExtent.height = height;
}
else // Otherwise we must use the size we're given
swapchainExtent = surfaceCaps.currentExtent;
mWidth = swapchainExtent.width;
mHeight = swapchainExtent.height;
// Find present mode
uint32_t numPresentModes;
result = vkGetPhysicalDeviceSurfacePresentModesKHR(physicalDevice, surface, &numPresentModes, nullptr);
assert(result == VK_SUCCESS);
assert(numPresentModes > 0);
VkPresentModeKHR* presentModes = bs_stack_alloc<VkPresentModeKHR>(numPresentModes);
result = vkGetPhysicalDeviceSurfacePresentModesKHR(physicalDevice, surface, &numPresentModes, presentModes);
assert(result == VK_SUCCESS);
VkPresentModeKHR presentMode = VK_PRESENT_MODE_FIFO_KHR;
if(!vsync)
{
for (UINT32 i = 0; i < numPresentModes; i++)
{
if (presentModes[i] == VK_PRESENT_MODE_IMMEDIATE_KHR)
{
presentMode = VK_PRESENT_MODE_IMMEDIATE_KHR;
break;
}
if (presentModes[i] == VK_PRESENT_MODE_FIFO_RELAXED_KHR)
presentMode = VK_PRESENT_MODE_FIFO_RELAXED_KHR;
}
}
else
{
// Mailbox comes with lower input latency than FIFO, but can waste GPU power by rendering frames that are never
// displayed, especially if the app runs much faster than the refresh rate. This is a concern for mobiles.
#if BS_PLATFORM != BS_PLATFORM_ANDROID && BS_PLATFORM != BS_PLATFORM_IOS
for (UINT32 i = 0; i < numPresentModes; i++)
{
if (presentModes[i] == VK_PRESENT_MODE_MAILBOX_KHR)
{
presentMode = VK_PRESENT_MODE_MAILBOX_KHR;
break;
}
}
#endif
}
bs_stack_free(presentModes);
uint32_t numImages = surfaceCaps.minImageCount;
VkSurfaceTransformFlagsKHR transform;
if (surfaceCaps.supportedTransforms & VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR)
transform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
else
transform = surfaceCaps.currentTransform;
VkSwapchainCreateInfoKHR swapChainCI;
swapChainCI.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
swapChainCI.pNext = nullptr;
swapChainCI.flags = 0;
swapChainCI.surface = surface;
swapChainCI.minImageCount = numImages;
swapChainCI.imageFormat = colorFormat;
swapChainCI.imageColorSpace = colorSpace;
swapChainCI.imageExtent = { swapchainExtent.width, swapchainExtent.height };
swapChainCI.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
swapChainCI.preTransform = (VkSurfaceTransformFlagBitsKHR)transform;
swapChainCI.imageArrayLayers = 1;
swapChainCI.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
swapChainCI.queueFamilyIndexCount = 0;
swapChainCI.pQueueFamilyIndices = NULL;
swapChainCI.presentMode = presentMode;
swapChainCI.oldSwapchain = mSwapChain;
swapChainCI.clipped = VK_TRUE;
swapChainCI.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
VkSwapchainKHR oldSwapChain = mSwapChain;
VkDevice logicalDevice = device->getLogical();
result = vkCreateSwapchainKHR(logicalDevice, &swapChainCI, gVulkanAllocator, &mSwapChain);
assert(result == VK_SUCCESS);
clear(oldSwapChain);
result = vkGetSwapchainImagesKHR(logicalDevice, mSwapChain, &numImages, nullptr);
assert(result == VK_SUCCESS);
// Get the swap chain images
VkImage* images = bs_stack_alloc<VkImage>(numImages);
result = vkGetSwapchainImagesKHR(logicalDevice, mSwapChain, &numImages, images);
assert(result == VK_SUCCESS);
VulkanResourceManager& resManager = device->getResourceManager();
VULKAN_IMAGE_DESC imageDesc;
imageDesc.format = colorFormat;
imageDesc.type = TEX_TYPE_2D;
imageDesc.usage = TU_RENDERTARGET;
imageDesc.layout = VK_IMAGE_LAYOUT_UNDEFINED;
imageDesc.numFaces = 1;
imageDesc.numMipLevels = 1;
imageDesc.memory = VK_NULL_HANDLE;
mSurfaces.resize(numImages);
for (UINT32 i = 0; i < numImages; i++)
{
imageDesc.image = images[i];
mSurfaces[i].acquired = false;
mSurfaces[i].needsWait = false;
mSurfaces[i].image = resManager.create<VulkanImage>(imageDesc, false);
mSurfaces[i].sync = resManager.create<VulkanSemaphore>();
}
bs_stack_free(images);
// Create depth stencil image
if (createDepth)
{
VkImageCreateInfo depthStencilImageCI;
depthStencilImageCI.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
depthStencilImageCI.pNext = nullptr;
depthStencilImageCI.flags = 0;
depthStencilImageCI.imageType = VK_IMAGE_TYPE_2D;
depthStencilImageCI.format = depthFormat;
depthStencilImageCI.extent = { width, height, 1 };
depthStencilImageCI.mipLevels = 1;
depthStencilImageCI.arrayLayers = 1;
depthStencilImageCI.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
depthStencilImageCI.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
depthStencilImageCI.samples = VK_SAMPLE_COUNT_1_BIT;
depthStencilImageCI.tiling = VK_IMAGE_TILING_OPTIMAL;
depthStencilImageCI.usage = VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT;
depthStencilImageCI.pQueueFamilyIndices = nullptr;
depthStencilImageCI.queueFamilyIndexCount = 0;
VkImage depthStencilImage;
result = vkCreateImage(logicalDevice, &depthStencilImageCI, gVulkanAllocator, &depthStencilImage);
assert(result == VK_SUCCESS);
imageDesc.image = depthStencilImage;
imageDesc.usage = TU_DEPTHSTENCIL;
imageDesc.format = depthFormat;
imageDesc.memory = mDevice->allocateMemory(depthStencilImage, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
mDepthStencilImage = resManager.create<VulkanImage>(imageDesc, true);
}
else
mDepthStencilImage = nullptr;
// Create a framebuffer for each swap chain buffer
UINT32 numFramebuffers = (UINT32)mSurfaces.size();
for (UINT32 i = 0; i < numFramebuffers; i++)
{
VULKAN_FRAMEBUFFER_DESC& desc = mSurfaces[i].framebufferDesc;
desc.width = getWidth();
desc.height = getHeight();
desc.layers = 1;
desc.numSamples = 1;
desc.offscreen = false;
desc.color[0].format = colorFormat;
desc.color[0].image = mSurfaces[i].image;
desc.color[0].surface = TextureSurface::COMPLETE;
desc.color[0].baseLayer = 0;
desc.depth.format = depthFormat;
desc.depth.image = mDepthStencilImage;
desc.depth.surface = TextureSurface::COMPLETE;
desc.depth.baseLayer = 0;
mSurfaces[i].framebuffer = resManager.create<VulkanFramebuffer>(desc);
}
}
VkResult setup(VkDevice device, VkCommandPool command_pool, SwapChain& swap_chain, uint32_t *width, uint32_t *height)
{
VkCommandBuffer setup_command_buffer = VK_NULL_HANDLE; // command buffer used for setup
VkCommandBufferAllocateInfo command_buffer_allocate_info;
command_buffer_allocate_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
command_buffer_allocate_info.pNext = nullptr;
command_buffer_allocate_info.commandPool = command_pool;
command_buffer_allocate_info.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
command_buffer_allocate_info.commandBufferCount = 1;
vkAllocateCommandBuffers(device, &command_buffer_allocate_info, &setup_command_buffer);
VkCommandBufferBeginInfo command_buffer_begin_info = {};
command_buffer_begin_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
command_buffer_begin_info.pNext = nullptr;
command_buffer_begin_info.flags = 0;
command_buffer_begin_info.pInheritanceInfo = nullptr;
vkBeginCommandBuffer(setup_command_buffer, &command_buffer_begin_info);
// SWAP CHAIN
uint32_t present_mode_count = 0;
vkGetPhysicalDeviceSurfacePresentModesKHR(swap_chain.gpu, swap_chain.surface, &present_mode_count, nullptr);
std::vector<VkPresentModeKHR> present_modes(present_mode_count);
vkGetPhysicalDeviceSurfacePresentModesKHR(swap_chain.gpu, swap_chain.surface, &present_mode_count, present_modes.data());
// Try to use mailbox mode
// Low latency and non-tearing
VkPresentModeKHR swapchainPresentMode = VK_PRESENT_MODE_FIFO_KHR;
for (uint32_t i = 0; i < present_mode_count; i++)
{
if (present_modes[i] == VK_PRESENT_MODE_MAILBOX_KHR)
{
swapchainPresentMode = VK_PRESENT_MODE_MAILBOX_KHR;
break;
}
if ((swapchainPresentMode != VK_PRESENT_MODE_MAILBOX_KHR) && (present_modes[i] == VK_PRESENT_MODE_IMMEDIATE_KHR))
{
swapchainPresentMode = VK_PRESENT_MODE_IMMEDIATE_KHR;
}
}
VkSurfaceCapabilitiesKHR surface_cap;
vkGetPhysicalDeviceSurfaceCapabilitiesKHR(swap_chain.gpu, swap_chain.surface, &surface_cap);
VkExtent2D swapchainExtent = {};
// width and height are either both -1, or both not -1.
if (surface_cap.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 = surface_cap.currentExtent;
*width = surface_cap.currentExtent.width;
*height = surface_cap.currentExtent.height;
}
// Determine the number of images
uint32_t desired_number_of_swapchain_images = surface_cap.minImageCount + 1;
if ((surface_cap.maxImageCount > 0) && (desired_number_of_swapchain_images > surface_cap.maxImageCount))
{
desired_number_of_swapchain_images = surface_cap.maxImageCount;
}
VkSurfaceTransformFlagsKHR pre_transform;
if (check_flag(surface_cap.supportedTransforms, VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR))
{
pre_transform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
}
else
{
pre_transform = surface_cap.currentTransform;
}
/*
VkSwapchainCreateInfoKHR swapchain_creation_info = {};
swapchain_creation_info.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
swapchain_creation_info.pNext = NULL;
swapchain_creation_info.surface = surface;
swapchain_creation_info.minImageCount = desired_number_of_swapchain_images;
swapchain_creation_info.imageFormat = colorFormat;
swapchain_creation_info.imageColorSpace = colorSpace;
swapchain_creation_info.imageExtent = { swapchainExtent.width, swapchainExtent.height };
swapchain_creation_info.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
swapchain_creation_info.preTransform = (VkSurfaceTransformFlagBitsKHR)preTransform;
swapchain_creation_info.imageArrayLayers = 1;
swapchain_creation_info.queueFamilyIndexCount = VK_SHARING_MODE_EXCLUSIVE;
swapchain_creation_info.queueFamilyIndexCount = 0;
swapchain_creation_info.pQueueFamilyIndices = NULL;
swapchain_creation_info.presentMode = swapchainPresentMode;
swapchain_creation_info.oldSwapchain = VK_NULL_HANDLE;
swapchain_creation_info.clipped = true;
swapchain_creation_info.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
vkCreateSwapchainKHR(device, &swapchain_creation_info, nullptr, &swap_chain.swap_chain);
std::vector<VkImage> swap_chain_images(desired_number_of_swapchain_images);
vkGetSwapchainImagesKHR(device, swapChain, &desired_number_of_swapchain_images, swap_chain_images.data());
*/
/*
assert(!err);
buffers = (SwapChainBuffer*)malloc(sizeof(SwapChainBuffer)*imageCount);
assert(buffers);
//buffers.resize(imageCount);
for (uint32_t i = 0; i < imageCount; i++)
{
VkImageViewCreateInfo colorAttachmentView = {};
colorAttachmentView.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
colorAttachmentView.pNext = NULL;
colorAttachmentView.format = colorFormat;
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.baseMipLevel = 0;
colorAttachmentView.subresourceRange.levelCount = 1;
colorAttachmentView.subresourceRange.baseArrayLayer = 0;
colorAttachmentView.subresourceRange.layerCount = 1;
colorAttachmentView.viewType = VK_IMAGE_VIEW_TYPE_2D;
colorAttachmentView.flags = 0;
buffers[i].image = swapchainImages[i];
vkTools::setImageLayout(
cmdBuffer,
buffers[i].image,
VK_IMAGE_ASPECT_COLOR_BIT, VK_IMAGE_LAYOUT_UNDEFINED,
VK_IMAGE_LAYOUT_PRESENT_SRC_KHR);
colorAttachmentView.image = buffers[i].image;
err = vkCreateImageView(device, &colorAttachmentView, nullptr, &buffers[i].view);
assert(!err);
}
*/
vkEndCommandBuffer(setup_command_buffer);
VkSubmitInfo submit_info = {};
submit_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
submit_info.pNext = nullptr;
submit_info.waitSemaphoreCount = 0;
submit_info.pWaitSemaphores = nullptr;
submit_info.pWaitDstStageMask = nullptr;
submit_info.commandBufferCount = 1;
submit_info.pCommandBuffers = &setup_command_buffer;
submit_info.signalSemaphoreCount = 0;
submit_info.pSignalSemaphores = nullptr;
vkQueueSubmit(swap_chain.present_queue, 1, &submit_info, VK_NULL_HANDLE);
vkQueueWaitIdle(swap_chain.present_queue);
vkFreeCommandBuffers(device, command_pool, 1, &setup_command_buffer);
return VK_SUCCESS;
}
static void setup_vulkan(GLFWwindow* window)
{
VkResult err;
// Create Vulkan Instance
{
uint32_t extensions_count;
const char** glfw_extensions = glfwGetRequiredInstanceExtensions(&extensions_count);
VkInstanceCreateInfo create_info = {};
create_info.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
create_info.enabledExtensionCount = extensions_count;
create_info.ppEnabledExtensionNames = glfw_extensions;
#ifdef IMGUI_VULKAN_DEBUG_REPORT
// enabling multiple validation layers grouped as lunarg standard validation
const char* layers[] = {"VK_LAYER_LUNARG_standard_validation"};
create_info.enabledLayerCount = 1;
create_info.ppEnabledLayerNames = layers;
// need additional storage for char pointer to debug report extension
const char** extensions = (const char**)malloc(sizeof(const char*) * (extensions_count + 1));
for (size_t i = 0; i < extensions_count; i++)
extensions[i] = glfw_extensions[i];
extensions[ extensions_count ] = "VK_EXT_debug_report";
create_info.enabledExtensionCount = extensions_count+1;
create_info.ppEnabledExtensionNames = extensions;
#endif // IMGUI_VULKAN_DEBUG_REPORT
err = vkCreateInstance(&create_info, g_Allocator, &g_Instance);
check_vk_result(err);
#ifdef IMGUI_VULKAN_DEBUG_REPORT
free(extensions);
// create the debug report callback
VkDebugReportCallbackCreateInfoEXT debug_report_ci ={};
debug_report_ci.sType = VK_STRUCTURE_TYPE_DEBUG_REPORT_CALLBACK_CREATE_INFO_EXT;
debug_report_ci.flags = VK_DEBUG_REPORT_ERROR_BIT_EXT | VK_DEBUG_REPORT_WARNING_BIT_EXT | VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT;
debug_report_ci.pfnCallback = debug_report;
debug_report_ci.pUserData = NULL;
// get the proc address of the function pointer, required for used extensions
PFN_vkCreateDebugReportCallbackEXT vkCreateDebugReportCallbackEXT =
(PFN_vkCreateDebugReportCallbackEXT)vkGetInstanceProcAddr(g_Instance, "vkCreateDebugReportCallbackEXT");
err = vkCreateDebugReportCallbackEXT( g_Instance, &debug_report_ci, g_Allocator, &g_Debug_Report );
check_vk_result(err);
#endif // IMGUI_VULKAN_DEBUG_REPORT
}
// Create Window Surface
{
err = glfwCreateWindowSurface(g_Instance, window, g_Allocator, &g_Surface);
check_vk_result(err);
}
// Get GPU
{
uint32_t gpu_count;
err = vkEnumeratePhysicalDevices(g_Instance, &gpu_count, NULL);
check_vk_result(err);
VkPhysicalDevice* gpus = (VkPhysicalDevice*)malloc(sizeof(VkPhysicalDevice) * gpu_count);
err = vkEnumeratePhysicalDevices(g_Instance, &gpu_count, gpus);
check_vk_result(err);
// If a number >1 of GPUs got reported, you should find the best fit GPU for your purpose
// e.g. VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU if available, or with the greatest memory available, etc.
// for sake of simplicity we'll just take the first one, assuming it has a graphics queue family.
g_Gpu = gpus[0];
free(gpus);
}
// Get queue
{
uint32_t count;
vkGetPhysicalDeviceQueueFamilyProperties(g_Gpu, &count, NULL);
VkQueueFamilyProperties* queues = (VkQueueFamilyProperties*)malloc(sizeof(VkQueueFamilyProperties) * count);
vkGetPhysicalDeviceQueueFamilyProperties(g_Gpu, &count, queues);
for (uint32_t i = 0; i < count; i++)
{
if (queues[i].queueFlags & VK_QUEUE_GRAPHICS_BIT)
{
g_QueueFamily = i;
break;
}
}
free(queues);
}
// Check for WSI support
{
VkBool32 res;
vkGetPhysicalDeviceSurfaceSupportKHR(g_Gpu, g_QueueFamily, g_Surface, &res);
if (res != VK_TRUE)
{
fprintf(stderr, "Error no WSI support on physical device 0\n");
exit(-1);
}
}
// Get Surface Format
{
// Per Spec Format and View Format are expected to be the same unless VK_IMAGE_CREATE_MUTABLE_BIT was set at image creation
// Assuming that the default behavior is without setting this bit, there is no need for separate Spawchain image and image view format
// additionally several new color spaces were introduced with Vulkan Spec v1.0.40
// hence we must make sure that a format with the mostly available color space, VK_COLOR_SPACE_SRGB_NONLINEAR_KHR, is found and used
uint32_t count;
vkGetPhysicalDeviceSurfaceFormatsKHR(g_Gpu, g_Surface, &count, NULL);
VkSurfaceFormatKHR *formats = (VkSurfaceFormatKHR*)malloc(sizeof(VkSurfaceFormatKHR) * count);
vkGetPhysicalDeviceSurfaceFormatsKHR(g_Gpu, g_Surface, &count, formats);
// first check if only one format, VK_FORMAT_UNDEFINED, is available, which would imply that any format is available
if (count == 1)
{
if( formats[0].format == VK_FORMAT_UNDEFINED )
{
g_SurfaceFormat.format = VK_FORMAT_B8G8R8A8_UNORM;
g_SurfaceFormat.colorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR;
}
else
{ // no point in searching another format
g_SurfaceFormat = formats[0];
}
}
else
{
// request several formats, the first found will be used
VkFormat requestSurfaceImageFormat[] = {VK_FORMAT_B8G8R8A8_UNORM, VK_FORMAT_R8G8B8A8_UNORM, VK_FORMAT_B8G8R8_UNORM, VK_FORMAT_R8G8B8_UNORM};
VkColorSpaceKHR requestSurfaceColorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR;
bool requestedFound = false;
for (size_t i = 0; i < sizeof(requestSurfaceImageFormat) / sizeof(requestSurfaceImageFormat[0]); i++)
{
if( requestedFound ) {
break;
}
for (uint32_t j = 0; j < count; j++)
{
if (formats[j].format == requestSurfaceImageFormat[i] && formats[j].colorSpace == requestSurfaceColorSpace)
{
g_SurfaceFormat = formats[j];
requestedFound = true;
}
}
}
// if none of the requested image formats could be found, use the first available
if (!requestedFound)
g_SurfaceFormat = formats[0];
}
free(formats);
}
// Get Present Mode
{
// Requst a certain mode and confirm that it is available. If not use VK_PRESENT_MODE_FIFO_KHR which is mandatory
#ifdef IMGUI_UNLIMITED_FRAME_RATE
g_PresentMode = VK_PRESENT_MODE_IMMEDIATE_KHR;
#else
g_PresentMode = VK_PRESENT_MODE_FIFO_KHR;
#endif
uint32_t count = 0;
vkGetPhysicalDeviceSurfacePresentModesKHR(g_Gpu, g_Surface, &count, nullptr);
VkPresentModeKHR* presentModes = (VkPresentModeKHR*)malloc(sizeof(VkQueueFamilyProperties) * count);
vkGetPhysicalDeviceSurfacePresentModesKHR(g_Gpu, g_Surface, &count, presentModes);
bool presentModeAvailable = false;
for (size_t i = 0; i < count; i++)
{
if (presentModes[i] == g_PresentMode)
{
presentModeAvailable = true;
break;
}
}
if( !presentModeAvailable )
g_PresentMode = VK_PRESENT_MODE_FIFO_KHR; // always available
}
// Create Logical Device
{
int device_extension_count = 1;
const char* device_extensions[] = {"VK_KHR_swapchain"};
const uint32_t queue_index = 0;
const uint32_t queue_count = 1;
const float queue_priority[] = {1.0f};
VkDeviceQueueCreateInfo queue_info[1] = {};
queue_info[0].sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
queue_info[0].queueFamilyIndex = g_QueueFamily;
queue_info[0].queueCount = queue_count;
queue_info[0].pQueuePriorities = queue_priority;
VkDeviceCreateInfo create_info = {};
create_info.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
create_info.queueCreateInfoCount = sizeof(queue_info)/sizeof(queue_info[0]);
create_info.pQueueCreateInfos = queue_info;
create_info.enabledExtensionCount = device_extension_count;
create_info.ppEnabledExtensionNames = device_extensions;
err = vkCreateDevice(g_Gpu, &create_info, g_Allocator, &g_Device);
check_vk_result(err);
vkGetDeviceQueue(g_Device, g_QueueFamily, queue_index, &g_Queue);
}
// Create Framebuffers
{
int w, h;
glfwGetFramebufferSize(window, &w, &h);
resize_vulkan(window, w, h);
glfwSetFramebufferSizeCallback(window, resize_vulkan);
}
// Create Command Buffers
for (int i = 0; i < IMGUI_VK_QUEUED_FRAMES; i++)
{
{
VkCommandPoolCreateInfo info = {};
info.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
info.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT;
info.queueFamilyIndex = g_QueueFamily;
err = vkCreateCommandPool(g_Device, &info, g_Allocator, &g_CommandPool[i]);
check_vk_result(err);
}
{
VkCommandBufferAllocateInfo info = {};
info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
info.commandPool = g_CommandPool[i];
info.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
info.commandBufferCount = 1;
err = vkAllocateCommandBuffers(g_Device, &info, &g_CommandBuffer[i]);
check_vk_result(err);
}
{
VkFenceCreateInfo info = {};
info.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO;
info.flags = VK_FENCE_CREATE_SIGNALED_BIT;
err = vkCreateFence(g_Device, &info, g_Allocator, &g_Fence[i]);
check_vk_result(err);
}
{
VkSemaphoreCreateInfo info = {};
info.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO;
err = vkCreateSemaphore(g_Device, &info, g_Allocator, &g_PresentCompleteSemaphore[i]);
check_vk_result(err);
err = vkCreateSemaphore(g_Device, &info, g_Allocator, &g_RenderCompleteSemaphore[i]);
check_vk_result(err);
}
}
// Create Descriptor Pool
{
VkDescriptorPoolSize pool_size[11] =
{
{ VK_DESCRIPTOR_TYPE_SAMPLER, 1000 },
{ VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1000 },
{ VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE, 1000 },
{ VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, 1000 },
{ VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER, 1000 },
{ VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER, 1000 },
{ VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1000 },
{ VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 1000 },
{ VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC, 1000 },
{ VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC, 1000 },
{ VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT, 1000 }
};
VkDescriptorPoolCreateInfo pool_info = {};
pool_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
pool_info.flags = VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT;
pool_info.maxSets = 1000 * 11;
pool_info.poolSizeCount = 11;
pool_info.pPoolSizes = pool_size;
err = vkCreateDescriptorPool(g_Device, &pool_info, g_Allocator, &g_DescriptorPool);
check_vk_result(err);
}
}
/* Please see header for specification */
void Anvil::RenderingSurface::cache_surface_properties()
{
const Anvil::DeviceType& device_type (m_device_ptr->get_type() );
bool is_offscreen_rendering_enabled(true);
auto khr_surface_entrypoints (m_create_info_ptr->get_instance_ptr()->get_extension_khr_surface_entrypoints() );
const Anvil::MGPUDevice* mgpu_device_ptr (dynamic_cast<const Anvil::MGPUDevice*>(m_device_ptr));
uint32_t n_physical_devices (0);
const Anvil::SGPUDevice* sgpu_device_ptr (dynamic_cast<const Anvil::SGPUDevice*>(m_device_ptr));
std::vector<Anvil::SurfaceFormatKHR> supported_formats;
auto window_ptr (m_create_info_ptr->get_window_ptr() );
if (window_ptr != nullptr)
{
const WindowPlatform window_platform(window_ptr->get_platform() );
is_offscreen_rendering_enabled = (window_platform == WINDOW_PLATFORM_DUMMY ||
window_platform == WINDOW_PLATFORM_DUMMY_WITH_PNG_SNAPSHOTS);
if (is_offscreen_rendering_enabled)
{
m_height = window_ptr->get_height_at_creation_time();
m_width = window_ptr->get_width_at_creation_time ();
}
else
{
/* In this case, width & height may change at run-time */
}
}
else
{
/* In this case, width & height may change at run-time */
}
switch (device_type)
{
case Anvil::DeviceType::MULTI_GPU: n_physical_devices = mgpu_device_ptr->get_n_physical_devices(); break;
case Anvil::DeviceType::SINGLE_GPU: n_physical_devices = 1; break;
default:
{
anvil_assert_fail();
}
}
/* Retrieve general properties */
uint32_t n_supported_formats (0);
uint32_t n_supported_presentation_modes(0);
VkResult result (VK_ERROR_INITIALIZATION_FAILED);
ANVIL_REDUNDANT_VARIABLE(result);
for (uint32_t n_physical_device = 0;
n_physical_device < n_physical_devices;
++n_physical_device)
{
const Anvil::PhysicalDevice* physical_device_ptr = nullptr;
switch (device_type)
{
case Anvil::DeviceType::MULTI_GPU: physical_device_ptr = mgpu_device_ptr->get_physical_device(n_physical_device); break;
case Anvil::DeviceType::SINGLE_GPU: physical_device_ptr = sgpu_device_ptr->get_physical_device(); break;
default:
{
anvil_assert_fail();
}
}
auto& result_caps = m_physical_device_capabilities[physical_device_ptr->get_device_group_device_index()];
if (m_surface == VK_NULL_HANDLE)
{
result_caps.supported_composite_alpha_flags = Anvil::CompositeAlphaFlagBits::INHERIT_BIT_KHR;
result_caps.supported_transformations = Anvil::SurfaceTransformFlagBits::INHERIT_BIT_KHR;
result_caps.supported_usages = static_cast<Anvil::ImageUsageFlags> (Anvil::ImageUsageFlagBits::COLOR_ATTACHMENT_BIT |
Anvil::ImageUsageFlagBits::TRANSFER_SRC_BIT |
Anvil::ImageUsageFlagBits::TRANSFER_DST_BIT |
Anvil::ImageUsageFlagBits::STORAGE_BIT);
result_caps.supported_presentation_modes.push_back(Anvil::PresentModeKHR::IMMEDIATE_KHR);
continue;
}
const VkPhysicalDevice physical_device_vk = physical_device_ptr->get_physical_device();
result = khr_surface_entrypoints.vkGetPhysicalDeviceSurfaceCapabilitiesKHR(physical_device_vk,
m_surface,
reinterpret_cast<VkSurfaceCapabilitiesKHR*>(&result_caps.capabilities) );
anvil_assert_vk_call_succeeded(result);
if (n_physical_device == 0)
{
m_height = result_caps.capabilities.current_extent.height;
m_width = result_caps.capabilities.current_extent.width;
}
else
{
anvil_assert(m_height == result_caps.capabilities.current_extent.height);
anvil_assert(m_width == result_caps.capabilities.current_extent.width);
}
result_caps.supported_composite_alpha_flags = result_caps.capabilities.supported_composite_alpha;
result_caps.supported_transformations = result_caps.capabilities.supported_transforms;
result_caps.supported_usages = result_caps.capabilities.supported_usage_flags;
/* Retrieve a list of formats supported by the surface */
result = khr_surface_entrypoints.vkGetPhysicalDeviceSurfaceFormatsKHR(physical_device_vk,
m_surface,
&n_supported_formats,
nullptr /* pSurfaceFormats */);
anvil_assert (n_supported_formats > 0);
anvil_assert_vk_call_succeeded(result);
supported_formats.resize(n_supported_formats);
result = khr_surface_entrypoints.vkGetPhysicalDeviceSurfaceFormatsKHR(physical_device_vk,
m_surface,
&n_supported_formats,
reinterpret_cast<VkSurfaceFormatKHR*>(&supported_formats.at(0) ));
anvil_assert_vk_call_succeeded(result);
for (unsigned int n_format = 0;
n_format < n_supported_formats;
++n_format)
{
result_caps.supported_formats.push_back(RenderingSurfaceFormat(supported_formats[n_format]) );
}
/* Retrieve a list of supported presentation modes
*
* NOTE: In case of mGPU devices, n_supported_presentation_modes may actually be 0 here for slave devices.
*/
result = khr_surface_entrypoints.vkGetPhysicalDeviceSurfacePresentModesKHR(physical_device_vk,
m_surface,
&n_supported_presentation_modes,
nullptr /* pPresentModes */);
anvil_assert_vk_call_succeeded(result);
if (n_supported_presentation_modes > 0)
{
std::vector<VkPresentModeKHR> temp_storage(n_supported_presentation_modes);
result_caps.supported_presentation_modes.resize(n_supported_presentation_modes);
result = khr_surface_entrypoints.vkGetPhysicalDeviceSurfacePresentModesKHR(physical_device_vk,
m_surface,
&n_supported_presentation_modes,
&temp_storage.at(0) );
anvil_assert_vk_call_succeeded(result);
for (uint32_t n_presentation_mode = 0;
n_presentation_mode < static_cast<uint32_t>(temp_storage.size() );
++n_presentation_mode)
{
result_caps.supported_presentation_modes.at(n_presentation_mode) = static_cast<Anvil::PresentModeKHR>(temp_storage.at(n_presentation_mode) );
}
}
}
}
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 VkContext::CreateSwapchain(int width, int height) {
// Get surface capabilities
VkSurfaceCapabilitiesKHR surfaceCapabilities;
CheckVkResult(vkGetPhysicalDeviceSurfaceCapabilitiesKHR(physDev, surf, &surfaceCapabilities));
// Get surface formats
u32 formatCount = 0;
CheckVkResult(vkGetPhysicalDeviceSurfaceFormatsKHR(physDev, surf, &formatCount, nullptr));
std::vector<VkSurfaceFormatKHR> formats(formatCount);
CheckVkResult(vkGetPhysicalDeviceSurfaceFormatsKHR(physDev, surf, &formatCount, formats.data()));
// Get present modes
u32 presentModeCount;
CheckVkResult(vkGetPhysicalDeviceSurfacePresentModesKHR(physDev, surf, &presentModeCount, nullptr));
std::vector<VkPresentModeKHR> presentModes(presentModeCount);
CheckVkResult(vkGetPhysicalDeviceSurfacePresentModesKHR(physDev, surf, &presentModeCount, presentModes.data()));
// Select number of swapchain images
u32 imageCount = surfaceCapabilities.minImageCount + 1;
if (surfaceCapabilities.maxImageCount != 0 && imageCount > surfaceCapabilities.maxImageCount) {
imageCount = surfaceCapabilities.maxImageCount;
}
// Select format
VkSurfaceFormatKHR format;
if (formats.size() == 1 && formats[0].format == VK_FORMAT_UNDEFINED) {
format.format = VK_FORMAT_R8G8B8A8_UNORM;
format.colorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR;
}
else {
for (u32 i = 0; i < formats.size(); i++)
{
if (formats[i].format == VK_FORMAT_R8G8B8A8_UNORM) {
format = formats[i];
}
}
format = formats[0];
}
// Select extent
VkExtent2D extent;
if (surfaceCapabilities.currentExtent.width == -1) {
extent.width = min(max((u32)width, surfaceCapabilities.minImageExtent.width), surfaceCapabilities.maxImageExtent.width);
extent.height = min(max((u32)height, surfaceCapabilities.minImageExtent.height), surfaceCapabilities.maxImageExtent.height);
}
else {
extent = surfaceCapabilities.currentExtent;
}
// Select present mode (FIFO by default)
VkPresentModeKHR presentMode = VK_PRESENT_MODE_FIFO_KHR;
// Choose mailbox if possible
for (u32 i = 0; i < presentModes.size(); i++)
{
if (presentModes[i] == VK_PRESENT_MODE_MAILBOX_KHR) {
presentMode = presentModes[i];
}
}
// Select transformation
VkSurfaceTransformFlagBitsKHR transform;
if (surfaceCapabilities.supportedTransforms & VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR) {
transform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
}
else {
transform = surfaceCapabilities.currentTransform;
}
// Check if image transfer destination is supported
if (!(surfaceCapabilities.supportedUsageFlags & VK_IMAGE_USAGE_TRANSFER_DST_BIT)) {
std::cout << "Image transfer destination not supported" << std::endl;
return false;
}
// Create swapchian
VkSwapchainCreateInfoKHR swapchainInfo = {};
swapchainInfo.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
swapchainInfo.surface = surf;
swapchainInfo.minImageCount = imageCount;
swapchainInfo.imageFormat = format.format;
swapchainInfo.imageColorSpace = format.colorSpace;
swapchainInfo.imageExtent = extent;
swapchainInfo.imageArrayLayers = 1;
swapchainInfo.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT;
swapchainInfo.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
swapchainInfo.queueFamilyIndexCount = 0;
swapchainInfo.pQueueFamilyIndices = nullptr;
swapchainInfo.preTransform = transform;
swapchainInfo.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
swapchainInfo.presentMode = presentMode;
swapchainInfo.clipped = VK_TRUE;
swapchainInfo.oldSwapchain = VK_NULL_HANDLE;
CheckVkResult(vkCreateSwapchainKHR(dev, &swapchainInfo, nullptr, &swapchain));
// Get swapchain images
u32 swapchainImageCount = 0;
CheckVkResult(vkGetSwapchainImagesKHR(dev, swapchain, &swapchainImageCount, nullptr));
swapchainImages.resize(swapchainImageCount);
CheckVkResult(vkGetSwapchainImagesKHR(dev, swapchain, &swapchainImageCount, swapchainImages.data()));
// Create swapchain image views
swapchainImageViews.resize(imageCount);
for (u32 i = 0; i < imageCount; i++) {
VkImageViewCreateInfo imageViewCreateInfo = {};
imageViewCreateInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
imageViewCreateInfo.image = swapchainImages[i];
imageViewCreateInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
imageViewCreateInfo.format = format.format;
imageViewCreateInfo.components.r = VK_COMPONENT_SWIZZLE_IDENTITY;
imageViewCreateInfo.components.g = VK_COMPONENT_SWIZZLE_IDENTITY;
imageViewCreateInfo.components.b = VK_COMPONENT_SWIZZLE_IDENTITY;
imageViewCreateInfo.components.a = VK_COMPONENT_SWIZZLE_IDENTITY;
imageViewCreateInfo.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
imageViewCreateInfo.subresourceRange.baseMipLevel = 0;
imageViewCreateInfo.subresourceRange.levelCount = 1;
imageViewCreateInfo.subresourceRange.baseArrayLayer = 0;
imageViewCreateInfo.subresourceRange.layerCount = 1;
CheckVkResult(vkCreateImageView(dev, &imageViewCreateInfo, nullptr, &swapchainImageViews[i]));
}
return true;
}
Error GrManagerImpl::initSwapchain(const GrManagerInitInfo& init)
{
VkSurfaceCapabilitiesKHR surfaceProperties;
ANKI_VK_CHECK(vkGetPhysicalDeviceSurfaceCapabilitiesKHR(m_physicalDevice, m_surface, &surfaceProperties));
if(surfaceProperties.currentExtent.width == MAX_U32 || surfaceProperties.currentExtent.height == MAX_U32)
{
ANKI_LOGE("Wrong surface size");
return ErrorCode::FUNCTION_FAILED;
}
m_surfaceWidth = surfaceProperties.currentExtent.width;
m_surfaceHeight = surfaceProperties.currentExtent.height;
uint32_t formatCount;
ANKI_VK_CHECK(vkGetPhysicalDeviceSurfaceFormatsKHR(m_physicalDevice, m_surface, &formatCount, nullptr));
DynamicArrayAuto<VkSurfaceFormatKHR> formats(getAllocator());
formats.create(formatCount);
ANKI_VK_CHECK(vkGetPhysicalDeviceSurfaceFormatsKHR(m_physicalDevice, m_surface, &formatCount, &formats[0]));
VkColorSpaceKHR colorspace = VK_COLOR_SPACE_MAX_ENUM_KHR;
while(formatCount--)
{
if(formats[formatCount].format == VK_FORMAT_B8G8R8A8_UNORM)
{
m_surfaceFormat = formats[formatCount].format;
colorspace = formats[formatCount].colorSpace;
break;
}
}
if(m_surfaceFormat == VK_FORMAT_UNDEFINED)
{
ANKI_LOGE("Surface format not found");
return ErrorCode::FUNCTION_FAILED;
}
// Chose present mode
uint32_t presentModeCount;
vkGetPhysicalDeviceSurfacePresentModesKHR(m_physicalDevice, m_surface, &presentModeCount, nullptr);
presentModeCount = min(presentModeCount, 4u);
Array<VkPresentModeKHR, 4> presentModes;
vkGetPhysicalDeviceSurfacePresentModesKHR(m_physicalDevice, m_surface, &presentModeCount, &presentModes[0]);
VkPresentModeKHR presentMode = VK_PRESENT_MODE_MAX_ENUM_KHR;
if(init.m_config->getNumber("vsync"))
{
presentMode = VK_PRESENT_MODE_FIFO_KHR;
}
else
{
for(U i = 0; i < presentModeCount; ++i)
{
if(presentModes[i] == VK_PRESENT_MODE_MAILBOX_KHR)
{
presentMode = VK_PRESENT_MODE_MAILBOX_KHR;
break;
}
else if(presentModes[i] == VK_PRESENT_MODE_IMMEDIATE_KHR)
{
presentMode = VK_PRESENT_MODE_IMMEDIATE_KHR;
break;
}
}
}
if(presentMode == VK_PRESENT_MODE_MAX_ENUM_KHR)
{
ANKI_LOGE("VK: Couldn't find a present mode");
return ErrorCode::FUNCTION_FAILED;
}
// Create swapchain
VkSwapchainCreateInfoKHR ci = {};
ci.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
ci.surface = m_surface;
ci.minImageCount = MAX_FRAMES_IN_FLIGHT;
ci.imageFormat = m_surfaceFormat;
ci.imageColorSpace = colorspace;
ci.imageExtent = surfaceProperties.currentExtent;
ci.imageArrayLayers = 1;
ci.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
ci.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
ci.queueFamilyIndexCount = 1;
ci.pQueueFamilyIndices = &m_queueIdx;
ci.preTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
ci.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
ci.presentMode = presentMode;
ci.clipped = false;
ci.oldSwapchain = VK_NULL_HANDLE;
ANKI_VK_CHECK(vkCreateSwapchainKHR(m_device, &ci, nullptr, &m_swapchain));
// Get images
uint32_t count = 0;
ANKI_VK_CHECK(vkGetSwapchainImagesKHR(m_device, m_swapchain, &count, nullptr));
if(count != MAX_FRAMES_IN_FLIGHT)
{
ANKI_LOGE("Requested a swapchain with %u images but got one with %u", MAX_FRAMES_IN_FLIGHT, count);
return ErrorCode::FUNCTION_FAILED;
}
ANKI_LOGI("VK: Created a swapchain. Image count: %u, present mode: %u", count, presentMode);
Array<VkImage, MAX_FRAMES_IN_FLIGHT> images;
ANKI_VK_CHECK(vkGetSwapchainImagesKHR(m_device, m_swapchain, &count, &images[0]));
for(U i = 0; i < MAX_FRAMES_IN_FLIGHT; ++i)
{
m_backbuffers[i].m_image = images[i];
ANKI_ASSERT(images[i]);
}
// Create img views
for(U i = 0; i < MAX_FRAMES_IN_FLIGHT; ++i)
{
VkImageViewCreateInfo ci = {};
ci.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
ci.flags = 0;
ci.image = m_backbuffers[i].m_image;
ci.viewType = VK_IMAGE_VIEW_TYPE_2D;
ci.format = m_surfaceFormat;
ci.components = {
VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_G, VK_COMPONENT_SWIZZLE_B, VK_COMPONENT_SWIZZLE_A};
ci.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
ci.subresourceRange.baseMipLevel = 0;
ci.subresourceRange.levelCount = 1;
ci.subresourceRange.baseArrayLayer = 0;
ci.subresourceRange.layerCount = 1;
ANKI_VK_CHECK(vkCreateImageView(m_device, &ci, nullptr, &m_backbuffers[i].m_imageView));
}
return ErrorCode::NONE;
}
void configure_vulkan_wm_swapchain(ReaperRoot& root, const VulkanBackend& backend,
const SwapchainDescriptor& swapchainDesc, PresentationInfo& presentInfo)
{
log_debug(root, "vulkan: configuring wm swapchain");
Assert(
vkGetPhysicalDeviceSurfaceCapabilitiesKHR(backend.physicalDevice, presentInfo.surface, &presentInfo.surfaceCaps)
== VK_SUCCESS);
VkSurfaceCapabilitiesKHR& surfaceCaps = presentInfo.surfaceCaps;
// Choose surface format
VkSurfaceFormatKHR& surfaceFormat = presentInfo.surfaceFormat;
{
uint32_t formats_count;
Assert(
vkGetPhysicalDeviceSurfaceFormatsKHR(backend.physicalDevice, presentInfo.surface, &formats_count, nullptr)
== VK_SUCCESS);
Assert(formats_count > 0);
std::vector<VkSurfaceFormatKHR> surface_formats(formats_count);
Assert(vkGetPhysicalDeviceSurfaceFormatsKHR(backend.physicalDevice, presentInfo.surface, &formats_count,
&surface_formats[0])
== VK_SUCCESS);
log_debug(root, "vulkan: swapchain supports {} formats", formats_count);
for (auto& format : surface_formats)
log_debug(root, "- pixel format = {}, colorspace = {}", GetFormatToString(format.format),
GetColorSpaceKHRToString(format.colorSpace));
surfaceFormat = vulkan_swapchain_choose_surface_format(surface_formats, swapchainDesc.preferredFormat);
if (surfaceFormat.format != swapchainDesc.preferredFormat.format
|| surfaceFormat.colorSpace != swapchainDesc.preferredFormat.colorSpace)
{
// TODO format to_string() function
log_warning(root, "vulkan: incompatible swapchain format: pixel format = {}, colorspace = {}",
swapchainDesc.preferredFormat.format, swapchainDesc.preferredFormat.colorSpace);
log_warning(root, "- falling back to: pixel format = {}, colorspace = {}", surfaceFormat.format,
surfaceFormat.colorSpace);
}
}
// Image count
uint32_t imageCount = 0;
{
log_debug(root, "vulkan: swapchain image count support: min = {}, max = {}", surfaceCaps.minImageCount,
surfaceCaps.maxImageCount);
imageCount = swapchainDesc.preferredImageCount;
if (imageCount < surfaceCaps.minImageCount)
imageCount = surfaceCaps.minImageCount;
else if (surfaceCaps.maxImageCount > 0 && imageCount > surfaceCaps.maxImageCount)
imageCount = surfaceCaps.maxImageCount;
if (imageCount != swapchainDesc.preferredImageCount)
log_warning(root, "vulkan: swapchain image count {} is unsupported. falling back to {}",
swapchainDesc.preferredImageCount, imageCount);
Assert(imageCount > 0);
Assert(imageCount < 4); // Seems like a reasonable limit
presentInfo.imageCount = imageCount;
}
{
uint32_t presentModeCount;
Assert(vkGetPhysicalDeviceSurfacePresentModesKHR(backend.physicalDevice, presentInfo.surface, &presentModeCount,
nullptr)
== VK_SUCCESS);
Assert(presentModeCount > 0);
std::vector<VkPresentModeKHR> availablePresentModes(presentModeCount);
Assert(vkGetPhysicalDeviceSurfacePresentModesKHR(backend.physicalDevice, presentInfo.surface, &presentModeCount,
&availablePresentModes[0])
== VK_SUCCESS);
log_debug(root, "vulkan: swapchain supports {} present modes", presentModeCount);
for (auto& mode : availablePresentModes)
log_debug(root, "- {}", GetPresentModeKHRToString(mode));
presentInfo.presentMode = vulkan_swapchain_choose_present_mode(availablePresentModes);
}
{
VkExtent2D extent = vulkan_swapchain_choose_extent(surfaceCaps, swapchainDesc.preferredExtent);
if (extent.width != swapchainDesc.preferredExtent.width
|| extent.height != swapchainDesc.preferredExtent.height)
{
log_warning(root, "vulkan: swapchain extent {}x{} is not supported", swapchainDesc.preferredExtent.width,
swapchainDesc.preferredExtent.height);
log_warning(root, "- falling back to {}x{}", extent.width, extent.height);
}
presentInfo.surfaceExtent = extent;
}
// Usage flags
presentInfo.usageFlags = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
Assert((surfaceCaps.supportedUsageFlags & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT) != 0, "Vulkan API error");
// Transform
presentInfo.transform = vulkan_swapchain_choose_transform(surfaceCaps);
}
Error MicroSwapchain::initInternal()
{
const VkDevice dev = m_factory->m_gr->getDevice();
// Get the surface size
VkSurfaceCapabilitiesKHR surfaceProperties;
U surfaceWidth = 0, surfaceHeight = 0;
{
ANKI_VK_CHECK(vkGetPhysicalDeviceSurfaceCapabilitiesKHR(
m_factory->m_gr->getPhysicalDevice(), m_factory->m_gr->getSurface(), &surfaceProperties));
if(surfaceProperties.currentExtent.width == MAX_U32 || surfaceProperties.currentExtent.height == MAX_U32)
{
ANKI_VK_LOGE("Wrong surface size");
return Error::FUNCTION_FAILED;
}
surfaceWidth = surfaceProperties.currentExtent.width;
surfaceHeight = surfaceProperties.currentExtent.height;
}
// Get the surface format
VkFormat surfaceFormat = VK_FORMAT_END_RANGE;
VkColorSpaceKHR colorspace = VK_COLOR_SPACE_MAX_ENUM_KHR;
{
uint32_t formatCount;
ANKI_VK_CHECK(vkGetPhysicalDeviceSurfaceFormatsKHR(
m_factory->m_gr->getPhysicalDevice(), m_factory->m_gr->getSurface(), &formatCount, nullptr));
DynamicArrayAuto<VkSurfaceFormatKHR> formats(getAllocator());
formats.create(formatCount);
ANKI_VK_CHECK(vkGetPhysicalDeviceSurfaceFormatsKHR(
m_factory->m_gr->getPhysicalDevice(), m_factory->m_gr->getSurface(), &formatCount, &formats[0]));
while(formatCount--)
{
if(formats[formatCount].format == VK_FORMAT_B8G8R8A8_UNORM)
{
surfaceFormat = formats[formatCount].format;
colorspace = formats[formatCount].colorSpace;
break;
}
}
if(surfaceFormat == VK_FORMAT_UNDEFINED)
{
ANKI_VK_LOGE("Surface format not found");
return Error::FUNCTION_FAILED;
}
}
// Chose present mode
VkPresentModeKHR presentMode = VK_PRESENT_MODE_MAX_ENUM_KHR;
{
uint32_t presentModeCount;
vkGetPhysicalDeviceSurfacePresentModesKHR(
m_factory->m_gr->getPhysicalDevice(), m_factory->m_gr->getSurface(), &presentModeCount, nullptr);
presentModeCount = min(presentModeCount, 4u);
Array<VkPresentModeKHR, 4> presentModes;
vkGetPhysicalDeviceSurfacePresentModesKHR(
m_factory->m_gr->getPhysicalDevice(), m_factory->m_gr->getSurface(), &presentModeCount, &presentModes[0]);
if(m_factory->m_vsync)
{
presentMode = VK_PRESENT_MODE_FIFO_KHR;
}
else
{
for(U i = 0; i < presentModeCount; ++i)
{
if(presentModes[i] == VK_PRESENT_MODE_MAILBOX_KHR)
{
presentMode = VK_PRESENT_MODE_MAILBOX_KHR;
break;
}
else if(presentModes[i] == VK_PRESENT_MODE_IMMEDIATE_KHR)
{
presentMode = VK_PRESENT_MODE_IMMEDIATE_KHR;
break;
}
}
}
if(presentMode == VK_PRESENT_MODE_MAX_ENUM_KHR)
{
ANKI_VK_LOGE("Couldn't find a present mode");
return Error::FUNCTION_FAILED;
}
}
// Create swapchain
{
VkSwapchainCreateInfoKHR ci = {};
ci.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
ci.surface = m_factory->m_gr->getSurface();
ci.minImageCount = MAX_FRAMES_IN_FLIGHT;
ci.imageFormat = surfaceFormat;
ci.imageColorSpace = colorspace;
ci.imageExtent = surfaceProperties.currentExtent;
ci.imageArrayLayers = 1;
ci.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
ci.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
ci.queueFamilyIndexCount = 1;
U32 idx = m_factory->m_gr->getGraphicsQueueIndex();
ci.pQueueFamilyIndices = &idx;
ci.preTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
ci.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
ci.presentMode = presentMode;
ci.clipped = false;
ci.oldSwapchain = VK_NULL_HANDLE;
ANKI_VK_CHECK(vkCreateSwapchainKHR(dev, &ci, nullptr, &m_swapchain));
}
// Get images
{
uint32_t count = 0;
ANKI_VK_CHECK(vkGetSwapchainImagesKHR(dev, m_swapchain, &count, nullptr));
if(count != MAX_FRAMES_IN_FLIGHT)
{
ANKI_VK_LOGE("Requested a swapchain with %u images but got one with %u", MAX_FRAMES_IN_FLIGHT, count);
return Error::FUNCTION_FAILED;
}
ANKI_VK_LOGI("Created a swapchain. Image count: %u, present mode: %u, size: %ux%u, vsync: %u",
count,
presentMode,
surfaceWidth,
surfaceHeight,
U32(m_factory->m_vsync));
Array<VkImage, MAX_FRAMES_IN_FLIGHT> images;
ANKI_VK_CHECK(vkGetSwapchainImagesKHR(dev, m_swapchain, &count, &images[0]));
for(U i = 0; i < MAX_FRAMES_IN_FLIGHT; ++i)
{
TextureInitInfo init("SwapchainImg");
init.m_width = surfaceWidth;
init.m_height = surfaceHeight;
init.m_format = Format::B8G8R8A8_UNORM;
ANKI_ASSERT(surfaceFormat == VK_FORMAT_B8G8R8A8_UNORM);
init.m_usage = TextureUsageBit::IMAGE_COMPUTE_WRITE | TextureUsageBit::FRAMEBUFFER_ATTACHMENT_READ_WRITE
| TextureUsageBit::PRESENT;
init.m_type = TextureType::_2D;
TextureImpl* tex =
m_factory->m_gr->getAllocator().newInstance<TextureImpl>(m_factory->m_gr, init.getName());
m_textures[i].reset(tex);
ANKI_CHECK(tex->initExternal(images[i], init));
}
}
return Error::NONE;
}
//[-------------------------------------------------------]
//[ 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);
}
}
//==============================================================================
// Vulkan初期化
//==============================================================================
bool initVulkan(HINSTANCE hinst, HWND wnd)
{
VkResult result;
//==================================================
// Vulkanのインスタンス作成
//==================================================
VkApplicationInfo applicationInfo = {};
applicationInfo.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
applicationInfo.pApplicationName = APPLICATION_NAME;
applicationInfo.pEngineName = APPLICATION_NAME;
applicationInfo.apiVersion = VK_MAKE_VERSION(1, 0, 0);
std::vector<LPCSTR> enabledExtensionsByInstance = { VK_KHR_SURFACE_EXTENSION_NAME, VK_KHR_WIN32_SURFACE_EXTENSION_NAME };
VkInstanceCreateInfo instanceCreateInfo = {};
instanceCreateInfo.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
instanceCreateInfo.pNext = nullptr;
instanceCreateInfo.pApplicationInfo = &applicationInfo;
if(enabledExtensionsByInstance.empty() == false)
{
instanceCreateInfo.enabledExtensionCount = enabledExtensionsByInstance.size();
instanceCreateInfo.ppEnabledExtensionNames = enabledExtensionsByInstance.data();
}
result = vkCreateInstance(&instanceCreateInfo, nullptr, &g_VulkanInstance);
checkVulkanError(result, TEXT("Vulkanインスタンス作成失敗"));
//==================================================
// 物理デバイス(GPUデバイス)
//==================================================
// 物理デバイス数を獲得
uint32_t gpuCount = 0;
vkEnumeratePhysicalDevices(g_VulkanInstance, &gpuCount, nullptr);
assert(gpuCount > 0 && TEXT("物理デバイス数の獲得失敗"));
// 物理デバイス数を列挙
std::vector<VkPhysicalDevice> physicalDevices(gpuCount);
result = vkEnumeratePhysicalDevices(g_VulkanInstance, &gpuCount, physicalDevices.data());
checkVulkanError(result, TEXT("物理デバイスの列挙に失敗しました"));
// すべてのGPU情報を格納
g_GPUs.resize(gpuCount);
for(uint32_t i = 0; i < gpuCount; ++i)
{
g_GPUs[i].device = physicalDevices[i];
// 物理デバイスのプロパティ獲得
vkGetPhysicalDeviceProperties(g_GPUs[i].device, &g_GPUs[i].deviceProperties);
// 物理デバイスのメモリプロパティ獲得
vkGetPhysicalDeviceMemoryProperties(g_GPUs[i].device, &g_GPUs[i].deviceMemoryProperties);
}
// ※このサンプルでは最初に列挙されたGPUデバイスを使用する
g_currentGPU = g_GPUs[0];
// グラフィックス操作をサポートするキューを検索
uint32_t queueCount;
vkGetPhysicalDeviceQueueFamilyProperties(g_currentGPU.device, &queueCount, nullptr);
assert(queueCount >= 1 && TEXT("物理デバイスキューの検索失敗"));
std::vector<VkQueueFamilyProperties> queueProps;
queueProps.resize(queueCount);
vkGetPhysicalDeviceQueueFamilyProperties(g_currentGPU.device, &queueCount, queueProps.data());
uint32_t graphicsQueueIndex = 0;
for(graphicsQueueIndex = 0; graphicsQueueIndex < queueCount; ++graphicsQueueIndex)
{
if(queueProps[graphicsQueueIndex].queueFlags & VK_QUEUE_GRAPHICS_BIT)
{
break;
}
}
assert(graphicsQueueIndex < queueCount && TEXT("グラフィックスをサポートするキューを見つけられませんでした"));
//==================================================
// Vulkanデバイス作成
//==================================================
float queuePrioritie = 0.0f;
VkDeviceQueueCreateInfo queueCreateInfo = {};
queueCreateInfo.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
queueCreateInfo.queueFamilyIndex = graphicsQueueIndex;
queueCreateInfo.queueCount = 1;
queueCreateInfo.pQueuePriorities = &queuePrioritie;
std::vector<LPCSTR> enabledExtensionsByDevice = { VK_KHR_SWAPCHAIN_EXTENSION_NAME };
VkDeviceCreateInfo deviceCreateInfo = {};
deviceCreateInfo.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
deviceCreateInfo.pNext = nullptr;
deviceCreateInfo.queueCreateInfoCount = 1;
deviceCreateInfo.pQueueCreateInfos = &queueCreateInfo;
deviceCreateInfo.pEnabledFeatures = nullptr;
if(enabledExtensionsByDevice.empty() == false)
{
deviceCreateInfo.enabledExtensionCount = enabledExtensionsByDevice.size();
deviceCreateInfo.ppEnabledExtensionNames = enabledExtensionsByDevice.data();
}
result = vkCreateDevice(g_currentGPU.device, &deviceCreateInfo, nullptr, &g_VulkanDevice);
checkVulkanError(result, TEXT("Vulkanデバイス作成失敗"));
// グラフィックスキュー獲得
vkGetDeviceQueue(g_VulkanDevice, graphicsQueueIndex, 0, &g_VulkanQueue);
//==================================================
// フェンスオブジェクト作成
//==================================================
VkFenceCreateInfo fenceCreateInfo = {};
fenceCreateInfo.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO;
fenceCreateInfo.pNext = nullptr;
fenceCreateInfo.flags = 0;
result = vkCreateFence(g_VulkanDevice, &fenceCreateInfo, nullptr, &g_VulkanFence);
checkVulkanError(result, TEXT("フェンスオブジェクト作成失敗"));
//==================================================
// 同期（セマフォ）オブジェクト作成
//==================================================
VkSemaphoreCreateInfo semaphoreCreateInfo = {};
semaphoreCreateInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO;
semaphoreCreateInfo.pNext = nullptr;
semaphoreCreateInfo.flags = 0;
// コマンドバッファ実行用セマフォ作成
result = vkCreateSemaphore(g_VulkanDevice, &semaphoreCreateInfo, nullptr, &g_VulkanSemahoreRenderComplete);
checkVulkanError(result, TEXT("コマンドバッファ実行用セマフォ作成失敗"));
//==================================================
// コマンドプール作製
//==================================================
VkCommandPoolCreateInfo cmdPoolInfo = {};
cmdPoolInfo.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
cmdPoolInfo.queueFamilyIndex = 0;
cmdPoolInfo.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT;
result = vkCreateCommandPool(g_VulkanDevice, &cmdPoolInfo, nullptr, &g_VulkanCommandPool);
checkVulkanError(result, TEXT("コマンドプール作成失敗"));
//==================================================
// コマンドバッファ作成
//==================================================
// メモリを確保.
g_commandBuffers.resize(SWAP_CHAIN_COUNT);
VkCommandBufferAllocateInfo commandBufferAllocateInfo = {};
commandBufferAllocateInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
commandBufferAllocateInfo.pNext = nullptr;
commandBufferAllocateInfo.commandPool = g_VulkanCommandPool;
commandBufferAllocateInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
commandBufferAllocateInfo.commandBufferCount = SWAP_CHAIN_COUNT;
result = vkAllocateCommandBuffers(g_VulkanDevice, &commandBufferAllocateInfo, g_commandBuffers.data());
checkVulkanError(result, TEXT("コマンドバッファ作成失敗"));
//==================================================
// OS(今回はWin32)用のサーフェスを作成する
//==================================================
VkWin32SurfaceCreateInfoKHR surfaceCreateInfo = {};
surfaceCreateInfo.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
surfaceCreateInfo.hinstance = hinst;
surfaceCreateInfo.hwnd = wnd;
result = vkCreateWin32SurfaceKHR(g_VulkanInstance, &surfaceCreateInfo, nullptr, &g_VulkanSurface);
checkVulkanError(result, TEXT("サーフェス作成失敗"));
//==================================================
// スワップチェーンを作成する
//==================================================
VkFormat imageFormat = VK_FORMAT_R8G8B8A8_UNORM;
VkColorSpaceKHR imageColorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR;
uint32_t surfaceFormatCount = 0;
result = vkGetPhysicalDeviceSurfaceFormatsKHR(g_currentGPU.device, g_VulkanSurface, &surfaceFormatCount, nullptr);
checkVulkanError(result, TEXT("サポートしているカラーフォーマット数の獲得失敗"));
std::vector<VkSurfaceFormatKHR> surfaceFormats;
surfaceFormats.resize(surfaceFormatCount);
result = vkGetPhysicalDeviceSurfaceFormatsKHR(g_currentGPU.device, g_VulkanSurface, &surfaceFormatCount, surfaceFormats.data());
checkVulkanError(result, TEXT("サポートしているカラーフォーマットの獲得失敗"));
// 一致するカラーフォーマットを検索する
bool isFind = false;
for(const auto& surfaceFormat : surfaceFormats)
{
if(imageFormat == surfaceFormat.format &&
imageColorSpace == surfaceFormat.colorSpace)
{
isFind = true;
break;
}
}
if(isFind == false)
{
imageFormat = surfaceFormats[0].format;
imageColorSpace = surfaceFormats[0].colorSpace;
}
// サーフェスの機能を獲得する
VkSurfaceCapabilitiesKHR surfaceCapabilities;
VkSurfaceTransformFlagBitsKHR surfaceTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
result = vkGetPhysicalDeviceSurfaceCapabilitiesKHR(
g_currentGPU.device,
g_VulkanSurface,
&surfaceCapabilities);
checkVulkanError(result, TEXT("サーフェスの機能の獲得失敗"));
if((surfaceCapabilities.supportedTransforms & VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR) == 0)
{
surfaceTransform = surfaceCapabilities.currentTransform;
}
// プレゼント機能を獲得する
VkPresentModeKHR presentMode = VK_PRESENT_MODE_FIFO_KHR;
uint32_t presentModeCount;
result = vkGetPhysicalDeviceSurfacePresentModesKHR(
g_currentGPU.device,
g_VulkanSurface,
&presentModeCount,
nullptr);
checkVulkanError(result, TEXT("プレゼント機能数の獲得失敗"));
std::vector<VkPresentModeKHR> presentModes;
presentModes.resize(presentModeCount);
result = vkGetPhysicalDeviceSurfacePresentModesKHR(
g_currentGPU.device,
g_VulkanSurface,
&presentModeCount,
presentModes.data());
checkVulkanError(result, TEXT("プレゼント機能の獲得失敗"));
for(const auto& presentModeInfo : presentModes)
{
if(presentModeInfo == VK_PRESENT_MODE_MAILBOX_KHR)
{
presentMode = VK_PRESENT_MODE_MAILBOX_KHR;
break;
}
if(presentModeInfo == VK_PRESENT_MODE_IMMEDIATE_KHR)
{
presentMode = VK_PRESENT_MODE_IMMEDIATE_KHR;
}
}
presentModes.clear();
uint32_t desiredSwapChainImageCount = surfaceCapabilities.minImageCount + 1;
if(surfaceCapabilities.maxImageCount > 0 && desiredSwapChainImageCount > surfaceCapabilities.maxImageCount)
{
desiredSwapChainImageCount = surfaceCapabilities.maxImageCount;
}
// スワップチェーン作成
VkSwapchainCreateInfoKHR swapchainCreateInfo = {};
swapchainCreateInfo.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
swapchainCreateInfo.pNext = nullptr;
swapchainCreateInfo.flags = 0;
swapchainCreateInfo.surface = g_VulkanSurface;
swapchainCreateInfo.minImageCount = desiredSwapChainImageCount;
swapchainCreateInfo.imageFormat = imageFormat;
swapchainCreateInfo.imageColorSpace = imageColorSpace;
swapchainCreateInfo.imageExtent = { SCREEN_WIDTH, SCREEN_HEIGHT };
swapchainCreateInfo.imageArrayLayers = 1;
swapchainCreateInfo.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
swapchainCreateInfo.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
swapchainCreateInfo.queueFamilyIndexCount = 0;
swapchainCreateInfo.pQueueFamilyIndices = nullptr;
swapchainCreateInfo.preTransform = surfaceTransform;
swapchainCreateInfo.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
swapchainCreateInfo.presentMode = presentMode;
swapchainCreateInfo.clipped = VK_TRUE;
swapchainCreateInfo.oldSwapchain = VK_NULL_HANDLE;
result = vkCreateSwapchainKHR(g_VulkanDevice, &swapchainCreateInfo, nullptr, &g_VulkanSwapChain);
checkVulkanError(result, TEXT("サーフェス作成失敗"));
//==================================================
// イメージの作成
//==================================================
uint32_t swapChainCount = 0;
result = vkGetSwapchainImagesKHR(g_VulkanDevice, g_VulkanSwapChain, &swapChainCount, nullptr);
checkVulkanError(result, TEXT("スワップチェーンイメージ数の獲得失敗"));
g_backBuffersTextures.resize(swapChainCount);
std::vector<VkImage> images;
images.resize(swapChainCount);
result = vkGetSwapchainImagesKHR(g_VulkanDevice, g_VulkanSwapChain, &swapChainCount, images.data());
checkVulkanError(result, TEXT("スワップチェーンイメージの獲得失敗"));
for(uint32_t i = 0; i < swapChainCount; ++i)
{
g_backBuffersTextures[i].image = images[i];
}
images.clear();
//==================================================
// イメージビューの生成
//==================================================
for(auto& backBuffer : g_backBuffersTextures)
{
VkImageViewCreateInfo imageViewCreateInfo = {};
imageViewCreateInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
imageViewCreateInfo.pNext = nullptr;
imageViewCreateInfo.flags = 0;
imageViewCreateInfo.image = backBuffer.image;
imageViewCreateInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
imageViewCreateInfo.format = imageFormat;
imageViewCreateInfo.components.r = VK_COMPONENT_SWIZZLE_R;
imageViewCreateInfo.components.g = VK_COMPONENT_SWIZZLE_G;
imageViewCreateInfo.components.b = VK_COMPONENT_SWIZZLE_B;
imageViewCreateInfo.components.a = VK_COMPONENT_SWIZZLE_A;
imageViewCreateInfo.subresourceRange = { VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 };
result = vkCreateImageView(g_VulkanDevice, &imageViewCreateInfo, nullptr, &backBuffer.view);
checkVulkanError(result, TEXT("イメージビューの作成失敗"));
setImageLayout(
g_VulkanDevice,
g_commandBuffers[g_currentBufferIndex],
backBuffer.image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_UNDEFINED,
VK_IMAGE_LAYOUT_PRESENT_SRC_KHR);
}
//==================================================
// 深度ステンシルバッファの生成
//==================================================
VkFormat depthFormat = VK_FORMAT_D24_UNORM_S8_UINT;
VkImageTiling imageTiling;
VkFormatProperties formatProperties;
vkGetPhysicalDeviceFormatProperties(g_currentGPU.device, depthFormat, &formatProperties);
if(formatProperties.linearTilingFeatures & VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT)
{
imageTiling = VK_IMAGE_TILING_LINEAR;
}
else if(formatProperties.optimalTilingFeatures & VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT)
{
imageTiling = VK_IMAGE_TILING_OPTIMAL;
}
else
{
checkVulkanError(VK_RESULT_MAX_ENUM, TEXT("サポートされていないフォーマットです"));
return false;
}
VkImageCreateInfo imageCreateInfo = {};
imageCreateInfo.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
imageCreateInfo.pNext = nullptr;
imageCreateInfo.flags = 0;
imageCreateInfo.imageType = VK_IMAGE_TYPE_2D;
imageCreateInfo.format = depthFormat;
imageCreateInfo.extent.width = SCREEN_WIDTH;
imageCreateInfo.extent.height = SCREEN_HEIGHT;
imageCreateInfo.extent.depth = 1;
imageCreateInfo.mipLevels = 1;
imageCreateInfo.arrayLayers = 1;
imageCreateInfo.samples = VK_SAMPLE_COUNT_1_BIT;
imageCreateInfo.tiling = imageTiling;
imageCreateInfo.usage = VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT;
imageCreateInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
imageCreateInfo.queueFamilyIndexCount = 0;
imageCreateInfo.pQueueFamilyIndices = nullptr;
imageCreateInfo.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
result = vkCreateImage(g_VulkanDevice, &imageCreateInfo, nullptr, &g_depthBufferTexture.image);
checkVulkanError(result, TEXT("深度テクスチャ用イメージビュー作成失敗"));
// メモリ要件を獲得
VkMemoryRequirements memoryRequirements;
vkGetImageMemoryRequirements(g_VulkanDevice, g_depthBufferTexture.image, &memoryRequirements);
VkFlags requirementsMask = 0;
uint32_t typeBits = memoryRequirements.memoryTypeBits;
uint32_t typeIndex = 0;
for(const auto& memoryType : g_currentGPU.deviceMemoryProperties.memoryTypes)
{
if((typeBits & 0x1) == 1)
{
if((memoryType.propertyFlags & requirementsMask) == requirementsMask)
{
break;
}
}
typeBits >>= 1;
++typeIndex;
}
// メモリ確保
VkMemoryAllocateInfo allocInfo = {};
allocInfo.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
allocInfo.pNext = nullptr;
allocInfo.allocationSize = memoryRequirements.size;
allocInfo.memoryTypeIndex = typeIndex;
result = vkAllocateMemory(g_VulkanDevice, &allocInfo, nullptr, &g_depthBufferTexture.memory);
checkVulkanError(result, TEXT("深度テクスチャ用メモリ確保失敗"));
result = vkBindImageMemory(g_VulkanDevice, g_depthBufferTexture.image, g_depthBufferTexture.memory, 0);
checkVulkanError(result, TEXT("深度テクスチャメモリにバインド失敗"));
VkImageViewCreateInfo imageViewCreateInfo = {};
imageViewCreateInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
imageViewCreateInfo.pNext = nullptr;
imageViewCreateInfo.image = g_depthBufferTexture.image;
imageViewCreateInfo.format = depthFormat;
imageViewCreateInfo.components.r = VK_COMPONENT_SWIZZLE_R;
imageViewCreateInfo.components.g = VK_COMPONENT_SWIZZLE_G;
imageViewCreateInfo.components.b = VK_COMPONENT_SWIZZLE_B;
imageViewCreateInfo.components.a = VK_COMPONENT_SWIZZLE_A;
imageViewCreateInfo.subresourceRange.aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT;
imageViewCreateInfo.subresourceRange.baseMipLevel = 0;
imageViewCreateInfo.subresourceRange.levelCount = 1;
imageViewCreateInfo.subresourceRange.baseArrayLayer = 0;
imageViewCreateInfo.subresourceRange.layerCount = 1;
imageViewCreateInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
imageViewCreateInfo.flags = 0;
result = vkCreateImageView(g_VulkanDevice, &imageViewCreateInfo, nullptr, &g_depthBufferTexture.view);
checkVulkanError(result, TEXT("深度テクスチャイメージビュー作成失敗"));
setImageLayout(
g_VulkanDevice,
g_commandBuffers[g_currentBufferIndex],
g_depthBufferTexture.image,
VK_IMAGE_ASPECT_DEPTH_BIT,
VK_IMAGE_LAYOUT_UNDEFINED,
VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL);
//==================================================
// フレームバッファの生成
//==================================================
VkImageView attachments[2]; // 0=カラーバッファ、1=深度バッファ
VkFramebufferCreateInfo frameBufferCreateInfo = {};
frameBufferCreateInfo.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
frameBufferCreateInfo.pNext = nullptr;
frameBufferCreateInfo.flags = 0;
frameBufferCreateInfo.renderPass = VK_NULL_HANDLE;
frameBufferCreateInfo.attachmentCount = 2;
frameBufferCreateInfo.pAttachments = attachments;
frameBufferCreateInfo.width = SCREEN_WIDTH;
frameBufferCreateInfo.height = SCREEN_HEIGHT;
frameBufferCreateInfo.layers = 1;
g_frameBuffers.resize(SWAP_CHAIN_COUNT);
for(uint32_t i = 0; i < SWAP_CHAIN_COUNT; ++i)
{
attachments[0] = g_backBuffersTextures[i].view;
attachments[1] = g_depthBufferTexture.view;
auto result = vkCreateFramebuffer(g_VulkanDevice, &frameBufferCreateInfo, nullptr, &g_frameBuffers[i]);
checkVulkanError(result, TEXT("フレームバッファ作成失敗"));
}
return true;
}
bool VulkanContext::InitSwapchain() {
VkResult res = vkGetPhysicalDeviceSurfaceCapabilitiesKHR(physical_devices_[physical_device_], surface_, &surfCapabilities_);
assert(res == VK_SUCCESS);
uint32_t presentModeCount;
res = vkGetPhysicalDeviceSurfacePresentModesKHR(physical_devices_[physical_device_], surface_, &presentModeCount, nullptr);
assert(res == VK_SUCCESS);
VkPresentModeKHR *presentModes = new VkPresentModeKHR[presentModeCount];
assert(presentModes);
res = vkGetPhysicalDeviceSurfacePresentModesKHR(physical_devices_[physical_device_], 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.
ILOG("initSwapchain: %dx%d", width_, height_);
swapChainExtent.width = width_;
swapChainExtent.height = height_;
} else {
// If the surface size is defined, the swap chain size must match
swapChainExtent = surfCapabilities_.currentExtent;
}
// TODO: Find a better way to specify the prioritized present mode while being able
// to fall back in a sensible way.
VkPresentModeKHR swapchainPresentMode = VK_PRESENT_MODE_MAX_ENUM_KHR;
for (size_t i = 0; i < presentModeCount; i++) {
ILOG("Supported present mode: %d (%s)", presentModes[i], PresentModeString(presentModes[i]));
}
for (size_t i = 0; i < presentModeCount; i++) {
if (swapchainPresentMode == VK_PRESENT_MODE_MAX_ENUM_KHR) {
// Default to the first present mode from the list.
swapchainPresentMode = presentModes[i];
}
if ((flags_ & VULKAN_FLAG_PRESENT_MAILBOX) && presentModes[i] == VK_PRESENT_MODE_MAILBOX_KHR) {
swapchainPresentMode = VK_PRESENT_MODE_MAILBOX_KHR;
break;
}
if ((flags_ & VULKAN_FLAG_PRESENT_FIFO_RELAXED) && presentModes[i] == VK_PRESENT_MODE_FIFO_RELAXED_KHR) {
swapchainPresentMode = VK_PRESENT_MODE_FIFO_RELAXED_KHR;
break;
}
if ((flags_ & VULKAN_FLAG_PRESENT_IMMEDIATE) && presentModes[i] == VK_PRESENT_MODE_IMMEDIATE_KHR) {
swapchainPresentMode = VK_PRESENT_MODE_IMMEDIATE_KHR;
break;
}
}
#ifdef __ANDROID__
// HACK
swapchainPresentMode = VK_PRESENT_MODE_FIFO_KHR;
#endif
ILOG("Chosen present mode: %d (%s)", swapchainPresentMode, PresentModeString(swapchainPresentMode));
delete[] presentModes;
// 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;
ILOG("numSwapChainImages: %d", desiredNumberOfSwapChainImages);
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_info = { VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR };
swap_chain_info.surface = surface_;
swap_chain_info.minImageCount = desiredNumberOfSwapChainImages;
swap_chain_info.imageFormat = swapchainFormat_;
swap_chain_info.imageColorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR;
swap_chain_info.imageExtent.width = swapChainExtent.width;
swap_chain_info.imageExtent.height = swapChainExtent.height;
swap_chain_info.preTransform = preTransform;
swap_chain_info.imageArrayLayers = 1;
swap_chain_info.presentMode = swapchainPresentMode;
swap_chain_info.oldSwapchain = VK_NULL_HANDLE;
swap_chain_info.clipped = true;
swap_chain_info.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
if (surfCapabilities_.supportedUsageFlags & VK_IMAGE_USAGE_TRANSFER_DST_BIT)
swap_chain_info.imageUsage |= VK_IMAGE_USAGE_TRANSFER_DST_BIT;
#ifndef ANDROID
// We don't support screenshots on Android
// Add more usage flags if they're supported.
if (surfCapabilities_.supportedUsageFlags & VK_IMAGE_USAGE_TRANSFER_SRC_BIT)
swap_chain_info.imageUsage |= VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
#endif
swap_chain_info.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
swap_chain_info.queueFamilyIndexCount = 0;
swap_chain_info.pQueueFamilyIndices = NULL;
// OPAQUE is not supported everywhere.
if (surfCapabilities_.supportedCompositeAlpha & VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR) {
swap_chain_info.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
} else {
// This should be supported anywhere, and is the only thing supported on the SHIELD TV, for example.
swap_chain_info.compositeAlpha = VK_COMPOSITE_ALPHA_INHERIT_BIT_KHR;
}
res = vkCreateSwapchainKHR(device_, &swap_chain_info, NULL, &swapchain_);
if (res != VK_SUCCESS) {
ELOG("vkCreateSwapchainKHR failed!");
return false;
}
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);
}
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;
}
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 );
}
}