Render views using quads with barrel distortion (instead of directly blitting result to swapchain)
This commit is contained in:
saschawillems
parent
671cebdc63
commit
a122c2380a
5 changed files with 394 additions and 328 deletions
|
|
@ -1,7 +1,7 @@
|
|||
/*
|
||||
* Vulkan Example - Multiview (VK_KHR_multiview)
|
||||
*
|
||||
* VK_KHR_multiview allows rendering to multiple views of a single renderpass
|
||||
* Uses VK_KHR_multiview for simultaneously rendering to multiple views and displays these with barrel distortion using a fragment shader
|
||||
*
|
||||
* Copyright (C) 2018 by Sascha Willems - www.saschawillems.de
|
||||
*
|
||||
|
|
@ -35,11 +35,20 @@ public:
|
|||
vks::VERTEX_COMPONENT_COLOR,
|
||||
});
|
||||
|
||||
struct ColorAttachment {
|
||||
VkImage image;
|
||||
VkImageView view;
|
||||
VkDeviceMemory memory;
|
||||
} colorAttachment;
|
||||
struct MultiviewPass {
|
||||
struct FrameBufferAttachment {
|
||||
VkImage image;
|
||||
VkDeviceMemory memory;
|
||||
VkImageView view;
|
||||
} color, depth;
|
||||
VkFramebuffer frameBuffer;
|
||||
VkRenderPass renderPass;
|
||||
VkDescriptorImageInfo descriptor;
|
||||
VkSampler sampler;
|
||||
VkSemaphore semaphore;
|
||||
std::vector<VkCommandBuffer> commandBuffers;
|
||||
std::vector<VkFence> waitFences;
|
||||
} multiviewPass;
|
||||
|
||||
vks::Model scene;
|
||||
|
||||
|
|
@ -56,10 +65,7 @@ public:
|
|||
VkDescriptorSet descriptorSet;
|
||||
VkDescriptorSetLayout descriptorSetLayout;
|
||||
|
||||
// Semaphore used to synchronize blit to swapchain
|
||||
VkSemaphore blitCompleteSemaphore;
|
||||
std::vector<VkCommandBuffer> blitCommandBuffers;
|
||||
std::vector<VkFence> blitWaitFences;
|
||||
VkPipeline viewDisplayPipelines[2];
|
||||
|
||||
// Camera and view properties
|
||||
float eyeSeparation = 0.08f;
|
||||
|
|
@ -70,14 +76,17 @@ public:
|
|||
|
||||
VulkanExample() : VulkanExampleBase(ENABLE_VALIDATION)
|
||||
{
|
||||
title = "Multiview";
|
||||
title = "Multiview rendering";
|
||||
camera.type = Camera::CameraType::firstperson;
|
||||
camera.setRotation(glm::vec3(0.0f, 90.0f, 0.0f));
|
||||
camera.setTranslation(glm::vec3(7.0f, 3.2f, 0.0f));
|
||||
camera.movementSpeed = 5.0f;
|
||||
settings.overlay = false;
|
||||
settings.overlay = true;
|
||||
|
||||
// Enable extension required for multiview
|
||||
enabledDeviceExtensions.push_back(VK_KHR_MULTIVIEW_EXTENSION_NAME);
|
||||
|
||||
// Reading device properties and features for multiview requires VK_KHR_get_physical_device_properties2 to be enabled
|
||||
enabledInstanceExtensions.push_back(VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME);
|
||||
}
|
||||
|
||||
|
|
@ -88,363 +97,356 @@ public:
|
|||
vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
|
||||
vkDestroyDescriptorSetLayout(device, descriptorSetLayout, nullptr);
|
||||
|
||||
vkDestroyImageView(device, colorAttachment.view, nullptr);
|
||||
vkDestroyImage(device, colorAttachment.image, nullptr);
|
||||
vkFreeMemory(device, colorAttachment.memory, nullptr);
|
||||
// Multiview pass
|
||||
|
||||
vkDestroySemaphore(device, blitCompleteSemaphore, nullptr);
|
||||
for (auto& fence : blitWaitFences) {
|
||||
vkDestroyImageView(device, multiviewPass.color.view, nullptr);
|
||||
vkDestroyImage(device, multiviewPass.color.image, nullptr);
|
||||
vkFreeMemory(device, multiviewPass.color.memory, nullptr);
|
||||
vkDestroyImageView(device, multiviewPass.depth.view, nullptr);
|
||||
vkDestroyImage(device, multiviewPass.depth.image, nullptr);
|
||||
vkFreeMemory(device, multiviewPass.depth.memory, nullptr);
|
||||
|
||||
vkDestroyRenderPass(device, multiviewPass.renderPass, nullptr);
|
||||
vkDestroySampler(device, multiviewPass.sampler, nullptr);
|
||||
vkDestroyFramebuffer(device, multiviewPass.frameBuffer, nullptr);
|
||||
|
||||
vkDestroySemaphore(device, multiviewPass.semaphore, nullptr);
|
||||
for (auto& fence : multiviewPass.waitFences) {
|
||||
vkDestroyFence(device, fence, nullptr);
|
||||
}
|
||||
|
||||
for (auto& pipeline : viewDisplayPipelines) {
|
||||
vkDestroyPipeline(device, pipeline, nullptr);
|
||||
}
|
||||
|
||||
scene.destroy();
|
||||
|
||||
uniformBuffer.destroy();
|
||||
}
|
||||
|
||||
/*
|
||||
Custom depth/stencil setup
|
||||
Creates a depth/stencil framebuffer with multiple layers rendered to in a single pass
|
||||
Prepares all resources required for the multiview attachment
|
||||
Images, views, attachments, renderpass, framebuffer, etc.
|
||||
*/
|
||||
void setupDepthStencil()
|
||||
void prepareMultiview()
|
||||
{
|
||||
VkImageCreateInfo image = {};
|
||||
image.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
|
||||
image.pNext = NULL;
|
||||
image.imageType = VK_IMAGE_TYPE_2D;
|
||||
image.format = depthFormat;
|
||||
image.extent = { width, height, 1 };
|
||||
image.mipLevels = 1;
|
||||
image.arrayLayers = 2; // Two layers for two viewports
|
||||
image.samples = VK_SAMPLE_COUNT_1_BIT;
|
||||
image.tiling = VK_IMAGE_TILING_OPTIMAL;
|
||||
image.usage = VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
|
||||
image.flags = 0;
|
||||
|
||||
VkMemoryAllocateInfo mem_alloc = {};
|
||||
mem_alloc.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
|
||||
mem_alloc.pNext = NULL;
|
||||
mem_alloc.allocationSize = 0;
|
||||
mem_alloc.memoryTypeIndex = 0;
|
||||
|
||||
VkImageViewCreateInfo depthStencilView = {};
|
||||
depthStencilView.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
|
||||
depthStencilView.pNext = NULL;
|
||||
depthStencilView.viewType = VK_IMAGE_VIEW_TYPE_2D_ARRAY;
|
||||
depthStencilView.format = depthFormat;
|
||||
depthStencilView.flags = 0;
|
||||
depthStencilView.subresourceRange = {};
|
||||
depthStencilView.subresourceRange.aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT;
|
||||
depthStencilView.subresourceRange.baseMipLevel = 0;
|
||||
depthStencilView.subresourceRange.levelCount = 1;
|
||||
depthStencilView.subresourceRange.baseArrayLayer = 0;
|
||||
depthStencilView.subresourceRange.layerCount = 1;
|
||||
|
||||
VkMemoryRequirements memReqs;
|
||||
|
||||
VK_CHECK_RESULT(vkCreateImage(device, &image, nullptr, &depthStencil.image));
|
||||
vkGetImageMemoryRequirements(device, depthStencil.image, &memReqs);
|
||||
mem_alloc.allocationSize = memReqs.size;
|
||||
mem_alloc.memoryTypeIndex = vulkanDevice->getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
|
||||
VK_CHECK_RESULT(vkAllocateMemory(device, &mem_alloc, nullptr, &depthStencil.mem));
|
||||
VK_CHECK_RESULT(vkBindImageMemory(device, depthStencil.image, depthStencil.mem, 0));
|
||||
|
||||
depthStencilView.image = depthStencil.image;
|
||||
VK_CHECK_RESULT(vkCreateImageView(device, &depthStencilView, nullptr, &depthStencil.view));
|
||||
}
|
||||
|
||||
/*
|
||||
Custom renderpass setup
|
||||
*/
|
||||
void setupRenderPass()
|
||||
{
|
||||
std::array<VkAttachmentDescription, 2> attachments = {};
|
||||
// Color attachment
|
||||
attachments[0].format = swapChain.colorFormat;
|
||||
attachments[0].samples = VK_SAMPLE_COUNT_1_BIT;
|
||||
attachments[0].loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
|
||||
attachments[0].storeOp = VK_ATTACHMENT_STORE_OP_STORE;
|
||||
attachments[0].stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
|
||||
attachments[0].stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
|
||||
attachments[0].initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
|
||||
attachments[0].finalLayout = VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL;
|
||||
// Depth attachment
|
||||
attachments[1].format = depthFormat;
|
||||
attachments[1].samples = VK_SAMPLE_COUNT_1_BIT;
|
||||
attachments[1].loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
|
||||
attachments[1].storeOp = VK_ATTACHMENT_STORE_OP_STORE;
|
||||
attachments[1].stencilLoadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
|
||||
attachments[1].stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
|
||||
attachments[1].initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
|
||||
attachments[1].finalLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
|
||||
|
||||
VkAttachmentReference colorReference = {};
|
||||
colorReference.attachment = 0;
|
||||
colorReference.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
|
||||
|
||||
VkAttachmentReference depthReference = {};
|
||||
depthReference.attachment = 1;
|
||||
depthReference.layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
|
||||
|
||||
VkSubpassDescription subpassDescription = {};
|
||||
subpassDescription.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
|
||||
subpassDescription.colorAttachmentCount = 1;
|
||||
subpassDescription.pColorAttachments = &colorReference;
|
||||
subpassDescription.pDepthStencilAttachment = &depthReference;
|
||||
subpassDescription.inputAttachmentCount = 0;
|
||||
subpassDescription.pInputAttachments = nullptr;
|
||||
subpassDescription.preserveAttachmentCount = 0;
|
||||
subpassDescription.pPreserveAttachments = nullptr;
|
||||
subpassDescription.pResolveAttachments = nullptr;
|
||||
|
||||
// Subpass dependencies for layout transitions
|
||||
std::array<VkSubpassDependency, 2> dependencies;
|
||||
|
||||
dependencies[0].srcSubpass = VK_SUBPASS_EXTERNAL;
|
||||
dependencies[0].dstSubpass = 0;
|
||||
dependencies[0].srcStageMask = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT;
|
||||
dependencies[0].dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
|
||||
dependencies[0].srcAccessMask = VK_ACCESS_MEMORY_READ_BIT;
|
||||
dependencies[0].dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
|
||||
dependencies[0].dependencyFlags = VK_DEPENDENCY_BY_REGION_BIT;
|
||||
|
||||
dependencies[1].srcSubpass = 0;
|
||||
dependencies[1].dstSubpass = VK_SUBPASS_EXTERNAL;
|
||||
dependencies[1].srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
|
||||
dependencies[1].dstStageMask = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT;
|
||||
dependencies[1].srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
|
||||
dependencies[1].dstAccessMask = VK_ACCESS_MEMORY_READ_BIT;
|
||||
dependencies[1].dependencyFlags = VK_DEPENDENCY_BY_REGION_BIT;
|
||||
|
||||
VkRenderPassCreateInfo renderPassCI{};
|
||||
renderPassCI.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
|
||||
renderPassCI.attachmentCount = static_cast<uint32_t>(attachments.size());
|
||||
renderPassCI.pAttachments = attachments.data();
|
||||
renderPassCI.subpassCount = 1;
|
||||
renderPassCI.pSubpasses = &subpassDescription;
|
||||
renderPassCI.dependencyCount = static_cast<uint32_t>(dependencies.size());
|
||||
renderPassCI.pDependencies = dependencies.data();
|
||||
// Example renders to two views (left/right)
|
||||
const uint32_t multiviewLayerCount = 2;
|
||||
|
||||
/*
|
||||
Setup multiview info for the renderpass
|
||||
Layered depth/stencil framebuffer
|
||||
*/
|
||||
{
|
||||
VkImageCreateInfo imageCI= vks::initializers::imageCreateInfo();
|
||||
imageCI.imageType = VK_IMAGE_TYPE_2D;
|
||||
imageCI.format = depthFormat;
|
||||
imageCI.extent = { width, height, 1 };
|
||||
imageCI.mipLevels = 1;
|
||||
imageCI.arrayLayers = multiviewLayerCount;
|
||||
imageCI.samples = VK_SAMPLE_COUNT_1_BIT;
|
||||
imageCI.tiling = VK_IMAGE_TILING_OPTIMAL;
|
||||
imageCI.usage = VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
|
||||
imageCI.flags = 0;
|
||||
VK_CHECK_RESULT(vkCreateImage(device, &imageCI, nullptr, &multiviewPass.depth.image));
|
||||
|
||||
/*
|
||||
Bit mask that specifies which view rendering is broadcast to
|
||||
0011 = Broadcast to first and second view (layer)
|
||||
*/
|
||||
const uint32_t viewMask = 0b00000011;
|
||||
|
||||
/*
|
||||
Bit mask that specifices correlation between views
|
||||
An implementation may use this for optimizations (concurrent render)
|
||||
*/
|
||||
const uint32_t correlationMask = 0b00000011;
|
||||
VkMemoryRequirements memReqs;
|
||||
vkGetImageMemoryRequirements(device, multiviewPass.depth.image, &memReqs);
|
||||
|
||||
VkRenderPassMultiviewCreateInfo renderPassMultiviewCI{};
|
||||
renderPassMultiviewCI.sType = VK_STRUCTURE_TYPE_RENDER_PASS_MULTIVIEW_CREATE_INFO;
|
||||
renderPassMultiviewCI.subpassCount = 1;
|
||||
renderPassMultiviewCI.pViewMasks = &viewMask;
|
||||
renderPassMultiviewCI.correlationMaskCount = 1;
|
||||
renderPassMultiviewCI.pCorrelationMasks = &correlationMask;
|
||||
VkMemoryAllocateInfo memAllocInfo{};
|
||||
memAllocInfo.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
|
||||
memAllocInfo.allocationSize = 0;
|
||||
memAllocInfo.memoryTypeIndex = 0;
|
||||
|
||||
renderPassCI.pNext = &renderPassMultiviewCI;
|
||||
VkImageViewCreateInfo depthStencilView = {};
|
||||
depthStencilView.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
|
||||
depthStencilView.pNext = NULL;
|
||||
depthStencilView.viewType = VK_IMAGE_VIEW_TYPE_2D_ARRAY;
|
||||
depthStencilView.format = depthFormat;
|
||||
depthStencilView.flags = 0;
|
||||
depthStencilView.subresourceRange = {};
|
||||
depthStencilView.subresourceRange.aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT;
|
||||
depthStencilView.subresourceRange.baseMipLevel = 0;
|
||||
depthStencilView.subresourceRange.levelCount = 1;
|
||||
depthStencilView.subresourceRange.baseArrayLayer = 0;
|
||||
depthStencilView.subresourceRange.layerCount = multiviewLayerCount;
|
||||
depthStencilView.image = multiviewPass.depth.image;
|
||||
|
||||
VK_CHECK_RESULT(vkCreateRenderPass(device, &renderPassCI, nullptr, &renderPass));
|
||||
|
||||
// The custom render pass does not include the swapchain images, so we need to do an initial layout transition
|
||||
|
||||
VkCommandBuffer layoutCmd = vulkanDevice->createCommandBuffer(VK_COMMAND_BUFFER_LEVEL_PRIMARY, true);
|
||||
VkImageSubresourceRange subresourceRange { VK_IMAGE_ASPECT_COLOR_BIT, 0, VK_REMAINING_MIP_LEVELS, 0, VK_REMAINING_MIP_LEVELS };
|
||||
for (uint32_t i = 0; i < swapChain.imageCount; i++) {
|
||||
vks::tools::setImageLayout(
|
||||
layoutCmd,
|
||||
swapChain.images[i],
|
||||
VK_IMAGE_LAYOUT_UNDEFINED,
|
||||
VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
|
||||
subresourceRange);
|
||||
memAllocInfo.allocationSize = memReqs.size;
|
||||
memAllocInfo.memoryTypeIndex = vulkanDevice->getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
|
||||
VK_CHECK_RESULT(vkAllocateMemory(device, &memAllocInfo, nullptr, &multiviewPass.depth.memory));
|
||||
VK_CHECK_RESULT(vkBindImageMemory(device, multiviewPass.depth.image, multiviewPass.depth.memory, 0));
|
||||
VK_CHECK_RESULT(vkCreateImageView(device, &depthStencilView, nullptr, &multiviewPass.depth.view));
|
||||
}
|
||||
vulkanDevice->flushCommandBuffer(layoutCmd, queue);
|
||||
}
|
||||
|
||||
/*
|
||||
Custom framebuffer setup
|
||||
Creates a color framebuffer with multiple layers rendered to in a single pass
|
||||
*/
|
||||
void setupFrameBuffer()
|
||||
{
|
||||
VkImageCreateInfo imageCI = vks::initializers::imageCreateInfo();
|
||||
imageCI.imageType = VK_IMAGE_TYPE_2D;
|
||||
imageCI.format = swapChain.colorFormat;
|
||||
imageCI.extent = { width, height, 1 };
|
||||
imageCI.mipLevels = 1;
|
||||
// Two layers for two views
|
||||
imageCI.arrayLayers = 2;
|
||||
imageCI.samples = VK_SAMPLE_COUNT_1_BIT;
|
||||
imageCI.tiling = VK_IMAGE_TILING_OPTIMAL;
|
||||
imageCI.usage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
|
||||
/*
|
||||
Layered color attachment
|
||||
*/
|
||||
{
|
||||
VkImageCreateInfo imageCI = vks::initializers::imageCreateInfo();
|
||||
imageCI.imageType = VK_IMAGE_TYPE_2D;
|
||||
imageCI.format = swapChain.colorFormat;
|
||||
imageCI.extent = { width, height, 1 };
|
||||
imageCI.mipLevels = 1;
|
||||
imageCI.arrayLayers = multiviewLayerCount;
|
||||
imageCI.samples = VK_SAMPLE_COUNT_1_BIT;
|
||||
imageCI.tiling = VK_IMAGE_TILING_OPTIMAL;
|
||||
imageCI.usage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_SAMPLED_BIT;
|
||||
VK_CHECK_RESULT(vkCreateImage(device, &imageCI, nullptr, &multiviewPass.color.image));
|
||||
|
||||
VkMemoryRequirements memReqs;
|
||||
VK_CHECK_RESULT(vkCreateImage(device, &imageCI, nullptr, &colorAttachment.image));
|
||||
vkGetImageMemoryRequirements(device, colorAttachment.image, &memReqs);
|
||||
VkMemoryRequirements memReqs;
|
||||
vkGetImageMemoryRequirements(device, multiviewPass.color.image, &memReqs);
|
||||
|
||||
VkMemoryAllocateInfo memoryAllocInfo = vks::initializers::memoryAllocateInfo();
|
||||
memoryAllocInfo.allocationSize = memReqs.size;
|
||||
memoryAllocInfo.memoryTypeIndex = vulkanDevice->getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
|
||||
VK_CHECK_RESULT(vkAllocateMemory(device, &memoryAllocInfo, nullptr, &colorAttachment.memory));
|
||||
VK_CHECK_RESULT(vkBindImageMemory(device, colorAttachment.image, colorAttachment.memory, 0));
|
||||
VkMemoryAllocateInfo memoryAllocInfo = vks::initializers::memoryAllocateInfo();
|
||||
memoryAllocInfo.allocationSize = memReqs.size;
|
||||
memoryAllocInfo.memoryTypeIndex = vulkanDevice->getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
|
||||
VK_CHECK_RESULT(vkAllocateMemory(device, &memoryAllocInfo, nullptr, &multiviewPass.color.memory));
|
||||
VK_CHECK_RESULT(vkBindImageMemory(device, multiviewPass.color.image, multiviewPass.color.memory, 0));
|
||||
|
||||
VkImageViewCreateInfo imageViewCI = vks::initializers::imageViewCreateInfo();
|
||||
imageViewCI.viewType = VK_IMAGE_VIEW_TYPE_2D_ARRAY;
|
||||
imageViewCI.format = swapChain.colorFormat;
|
||||
imageViewCI.flags = 0;
|
||||
imageViewCI.subresourceRange = {};
|
||||
imageViewCI.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
|
||||
imageViewCI.subresourceRange.baseMipLevel = 0;
|
||||
imageViewCI.subresourceRange.levelCount = 1;
|
||||
imageViewCI.subresourceRange.baseArrayLayer = 0;
|
||||
// Two layers for two views
|
||||
imageViewCI.subresourceRange.layerCount = 2;
|
||||
imageViewCI.image = colorAttachment.image;
|
||||
VK_CHECK_RESULT(vkCreateImageView(device, &imageViewCI, nullptr, &colorAttachment.view));
|
||||
VkImageViewCreateInfo imageViewCI = vks::initializers::imageViewCreateInfo();
|
||||
imageViewCI.viewType = VK_IMAGE_VIEW_TYPE_2D_ARRAY;
|
||||
imageViewCI.format = swapChain.colorFormat;
|
||||
imageViewCI.flags = 0;
|
||||
imageViewCI.subresourceRange = {};
|
||||
imageViewCI.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
|
||||
imageViewCI.subresourceRange.baseMipLevel = 0;
|
||||
imageViewCI.subresourceRange.levelCount = 1;
|
||||
imageViewCI.subresourceRange.baseArrayLayer = 0;
|
||||
imageViewCI.subresourceRange.layerCount = multiviewLayerCount;
|
||||
imageViewCI.image = multiviewPass.color.image;
|
||||
VK_CHECK_RESULT(vkCreateImageView(device, &imageViewCI, nullptr, &multiviewPass.color.view));
|
||||
|
||||
// Depth/Stencil attachment is the same for all frame buffers
|
||||
std::vector<VkImageView> attachments = { colorAttachment.view, depthStencil.view };
|
||||
// Create sampler to sample from the attachment in the fragment shader
|
||||
VkSamplerCreateInfo samplerCI = vks::initializers::samplerCreateInfo();
|
||||
samplerCI.magFilter = VK_FILTER_NEAREST;
|
||||
samplerCI.minFilter = VK_FILTER_NEAREST;
|
||||
samplerCI.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR;
|
||||
samplerCI.addressModeU = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE;
|
||||
samplerCI.addressModeV = samplerCI.addressModeU;
|
||||
samplerCI.addressModeW = samplerCI.addressModeU;
|
||||
samplerCI.mipLodBias = 0.0f;
|
||||
samplerCI.maxAnisotropy = 1.0f;
|
||||
samplerCI.minLod = 0.0f;
|
||||
samplerCI.maxLod = 1.0f;
|
||||
samplerCI.borderColor = VK_BORDER_COLOR_FLOAT_OPAQUE_WHITE;
|
||||
VK_CHECK_RESULT(vkCreateSampler(device, &samplerCI, nullptr, &multiviewPass.sampler));
|
||||
|
||||
VkFramebufferCreateInfo frameBufferCreateInfo = {};
|
||||
frameBufferCreateInfo.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
|
||||
frameBufferCreateInfo.pNext = NULL;
|
||||
frameBufferCreateInfo.renderPass = renderPass;
|
||||
frameBufferCreateInfo.attachmentCount = 2;
|
||||
frameBufferCreateInfo.pAttachments = attachments.data();
|
||||
frameBufferCreateInfo.width = width;
|
||||
frameBufferCreateInfo.height = height;
|
||||
frameBufferCreateInfo.layers = 1;
|
||||
// Fill a descriptor for later use in a descriptor set
|
||||
multiviewPass.descriptor.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
|
||||
multiviewPass.descriptor.imageView = multiviewPass.color.view;
|
||||
multiviewPass.descriptor.sampler = multiviewPass.sampler;
|
||||
}
|
||||
|
||||
// Create frame buffers for every swap chain image
|
||||
frameBuffers.resize(swapChain.imageCount);
|
||||
for (uint32_t i = 0; i < frameBuffers.size(); i++) {
|
||||
VK_CHECK_RESULT(vkCreateFramebuffer(device, &frameBufferCreateInfo, nullptr, &frameBuffers[i]));
|
||||
/*
|
||||
Renderpass
|
||||
*/
|
||||
{
|
||||
std::array<VkAttachmentDescription, 2> attachments = {};
|
||||
// Color attachment
|
||||
attachments[0].format = swapChain.colorFormat;
|
||||
attachments[0].samples = VK_SAMPLE_COUNT_1_BIT;
|
||||
attachments[0].loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
|
||||
attachments[0].storeOp = VK_ATTACHMENT_STORE_OP_STORE;
|
||||
attachments[0].stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
|
||||
attachments[0].stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
|
||||
attachments[0].initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
|
||||
attachments[0].finalLayout = VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL;
|
||||
// Depth attachment
|
||||
attachments[1].format = depthFormat;
|
||||
attachments[1].samples = VK_SAMPLE_COUNT_1_BIT;
|
||||
attachments[1].loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
|
||||
attachments[1].storeOp = VK_ATTACHMENT_STORE_OP_STORE;
|
||||
attachments[1].stencilLoadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
|
||||
attachments[1].stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
|
||||
attachments[1].initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
|
||||
attachments[1].finalLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
|
||||
|
||||
VkAttachmentReference colorReference = {};
|
||||
colorReference.attachment = 0;
|
||||
colorReference.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
|
||||
|
||||
VkAttachmentReference depthReference = {};
|
||||
depthReference.attachment = 1;
|
||||
depthReference.layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
|
||||
|
||||
VkSubpassDescription subpassDescription = {};
|
||||
subpassDescription.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
|
||||
subpassDescription.colorAttachmentCount = 1;
|
||||
subpassDescription.pColorAttachments = &colorReference;
|
||||
subpassDescription.pDepthStencilAttachment = &depthReference;
|
||||
|
||||
// Subpass dependencies for layout transitions
|
||||
std::array<VkSubpassDependency, 2> dependencies;
|
||||
|
||||
dependencies[0].srcSubpass = VK_SUBPASS_EXTERNAL;
|
||||
dependencies[0].dstSubpass = 0;
|
||||
dependencies[0].srcStageMask = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT;
|
||||
dependencies[0].dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
|
||||
dependencies[0].srcAccessMask = VK_ACCESS_MEMORY_READ_BIT;
|
||||
dependencies[0].dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
|
||||
dependencies[0].dependencyFlags = VK_DEPENDENCY_BY_REGION_BIT;
|
||||
|
||||
dependencies[1].srcSubpass = 0;
|
||||
dependencies[1].dstSubpass = VK_SUBPASS_EXTERNAL;
|
||||
dependencies[1].srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
|
||||
dependencies[1].dstStageMask = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT;
|
||||
dependencies[1].srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
|
||||
dependencies[1].dstAccessMask = VK_ACCESS_MEMORY_READ_BIT;
|
||||
dependencies[1].dependencyFlags = VK_DEPENDENCY_BY_REGION_BIT;
|
||||
|
||||
VkRenderPassCreateInfo renderPassCI{};
|
||||
renderPassCI.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
|
||||
renderPassCI.attachmentCount = static_cast<uint32_t>(attachments.size());
|
||||
renderPassCI.pAttachments = attachments.data();
|
||||
renderPassCI.subpassCount = 1;
|
||||
renderPassCI.pSubpasses = &subpassDescription;
|
||||
renderPassCI.dependencyCount = static_cast<uint32_t>(dependencies.size());
|
||||
renderPassCI.pDependencies = dependencies.data();
|
||||
|
||||
/*
|
||||
Setup multiview info for the renderpass
|
||||
*/
|
||||
|
||||
/*
|
||||
Bit mask that specifies which view rendering is broadcast to
|
||||
0011 = Broadcast to first and second view (layer)
|
||||
*/
|
||||
const uint32_t viewMask = 0b00000011;
|
||||
|
||||
/*
|
||||
Bit mask that specifices correlation between views
|
||||
An implementation may use this for optimizations (concurrent render)
|
||||
*/
|
||||
const uint32_t correlationMask = 0b00000011;
|
||||
|
||||
VkRenderPassMultiviewCreateInfo renderPassMultiviewCI{};
|
||||
renderPassMultiviewCI.sType = VK_STRUCTURE_TYPE_RENDER_PASS_MULTIVIEW_CREATE_INFO;
|
||||
renderPassMultiviewCI.subpassCount = 1;
|
||||
renderPassMultiviewCI.pViewMasks = &viewMask;
|
||||
renderPassMultiviewCI.correlationMaskCount = 1;
|
||||
renderPassMultiviewCI.pCorrelationMasks = &correlationMask;
|
||||
|
||||
renderPassCI.pNext = &renderPassMultiviewCI;
|
||||
|
||||
VK_CHECK_RESULT(vkCreateRenderPass(device, &renderPassCI, nullptr, &multiviewPass.renderPass));
|
||||
}
|
||||
|
||||
/*
|
||||
Framebuffer
|
||||
*/
|
||||
{
|
||||
VkImageView attachments[2];
|
||||
attachments[0] = multiviewPass.color.view;
|
||||
attachments[1] = multiviewPass.depth.view;
|
||||
|
||||
VkFramebufferCreateInfo framebufferCI = vks::initializers::framebufferCreateInfo();
|
||||
framebufferCI.renderPass = multiviewPass.renderPass;
|
||||
framebufferCI.attachmentCount = 2;
|
||||
framebufferCI.pAttachments = attachments;
|
||||
framebufferCI.width = width;
|
||||
framebufferCI.height = height;
|
||||
framebufferCI.layers = 1;
|
||||
VK_CHECK_RESULT(vkCreateFramebuffer(device, &framebufferCI, nullptr, &multiviewPass.frameBuffer));
|
||||
}
|
||||
}
|
||||
|
||||
void buildCommandBuffers()
|
||||
{
|
||||
/*
|
||||
Scene rendering
|
||||
View display
|
||||
*/
|
||||
{
|
||||
VkCommandBufferBeginInfo cmdBufInfo = vks::initializers::commandBufferBeginInfo();
|
||||
|
||||
VkCommandBufferBeginInfo cmdBufInfo = vks::initializers::commandBufferBeginInfo();
|
||||
VkClearValue clearValues[2];
|
||||
clearValues[0].color = defaultClearColor;
|
||||
clearValues[1].depthStencil = { 1.0f, 0 };
|
||||
|
||||
VkClearValue clearValues[2];
|
||||
clearValues[0].color = defaultClearColor;
|
||||
clearValues[1].depthStencil = { 1.0f, 0 };
|
||||
VkRenderPassBeginInfo renderPassBeginInfo = vks::initializers::renderPassBeginInfo();
|
||||
renderPassBeginInfo.renderPass = renderPass;
|
||||
renderPassBeginInfo.renderArea.offset.x = 0;
|
||||
renderPassBeginInfo.renderArea.offset.y = 0;
|
||||
renderPassBeginInfo.renderArea.extent.width = width;
|
||||
renderPassBeginInfo.renderArea.extent.height = height;
|
||||
renderPassBeginInfo.clearValueCount = 2;
|
||||
renderPassBeginInfo.pClearValues = clearValues;
|
||||
|
||||
VkRenderPassBeginInfo renderPassBeginInfo = vks::initializers::renderPassBeginInfo();
|
||||
renderPassBeginInfo.renderPass = renderPass;
|
||||
renderPassBeginInfo.renderArea.offset.x = 0;
|
||||
renderPassBeginInfo.renderArea.offset.y = 0;
|
||||
renderPassBeginInfo.renderArea.extent.width = width;
|
||||
renderPassBeginInfo.renderArea.extent.height = height;
|
||||
renderPassBeginInfo.clearValueCount = 2;
|
||||
renderPassBeginInfo.pClearValues = clearValues;
|
||||
for (int32_t i = 0; i < drawCmdBuffers.size(); ++i) {
|
||||
renderPassBeginInfo.framebuffer = frameBuffers[i];
|
||||
|
||||
for (int32_t i = 0; i < drawCmdBuffers.size(); ++i) {
|
||||
renderPassBeginInfo.framebuffer = frameBuffers[i];
|
||||
VK_CHECK_RESULT(vkBeginCommandBuffer(drawCmdBuffers[i], &cmdBufInfo));
|
||||
vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
|
||||
VkViewport viewport = vks::initializers::viewport((float)width / 2.0f, (float)height, 0.0f, 1.0f);
|
||||
VkRect2D scissor = vks::initializers::rect2D(width / 2, height, 0, 0);
|
||||
vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
|
||||
vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
|
||||
|
||||
VK_CHECK_RESULT(vkBeginCommandBuffer(drawCmdBuffers[i], &cmdBufInfo));
|
||||
vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &descriptorSet, 0, nullptr);
|
||||
|
||||
vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
|
||||
// Left eye
|
||||
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, viewDisplayPipelines[0]);
|
||||
vkCmdDraw(drawCmdBuffers[i], 3, 1, 0, 0);
|
||||
|
||||
VkViewport viewport = vks::initializers::viewport((float)width, (float)height, 0.0f, 1.0f);
|
||||
vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
|
||||
// Right eye
|
||||
viewport.x = (float)width / 2;
|
||||
scissor.offset.x = width / 2;
|
||||
vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
|
||||
vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
|
||||
|
||||
VkRect2D scissor = vks::initializers::rect2D(width, height, 0, 0);
|
||||
vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
|
||||
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, viewDisplayPipelines[1]);
|
||||
vkCmdDraw(drawCmdBuffers[i], 3, 1, 0, 0);
|
||||
|
||||
vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &descriptorSet, 0, nullptr);
|
||||
|
||||
VkDeviceSize offsets[1] = { 0 };
|
||||
vkCmdBindVertexBuffers(drawCmdBuffers[i], 0, 1, &scene.vertices.buffer, offsets);
|
||||
vkCmdBindIndexBuffer(drawCmdBuffers[i], scene.indices.buffer, 0, VK_INDEX_TYPE_UINT32);
|
||||
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline);
|
||||
vkCmdDrawIndexed(drawCmdBuffers[i], scene.indexCount, 1, 0, 0, 0);
|
||||
|
||||
vkCmdEndRenderPass(drawCmdBuffers[i]);
|
||||
|
||||
VkImageSubresourceRange subresourceRange{};
|
||||
subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
|
||||
subresourceRange.layerCount = VK_REMAINING_ARRAY_LAYERS;
|
||||
subresourceRange.levelCount = VK_REMAINING_MIP_LEVELS;
|
||||
|
||||
VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));
|
||||
vkCmdEndRenderPass(drawCmdBuffers[i]);
|
||||
VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
Layered color attachment to swapchain blit
|
||||
Multiview layered attachment scene rendering
|
||||
*/
|
||||
blitCommandBuffers.resize(drawCmdBuffers.size());
|
||||
|
||||
multiviewPass.commandBuffers.resize(drawCmdBuffers.size());
|
||||
|
||||
VkCommandBufferAllocateInfo cmdBufAllocateInfo = vks::initializers::commandBufferAllocateInfo(cmdPool, VK_COMMAND_BUFFER_LEVEL_PRIMARY, static_cast<uint32_t>(drawCmdBuffers.size()));
|
||||
VK_CHECK_RESULT(vkAllocateCommandBuffers(device, &cmdBufAllocateInfo, blitCommandBuffers.data()));
|
||||
VK_CHECK_RESULT(vkAllocateCommandBuffers(device, &cmdBufAllocateInfo, multiviewPass.commandBuffers.data()));
|
||||
|
||||
for (int32_t i = 0; i < blitCommandBuffers.size(); ++i) {
|
||||
VK_CHECK_RESULT(vkBeginCommandBuffer(blitCommandBuffers[i], &cmdBufInfo));
|
||||
{
|
||||
VkCommandBufferBeginInfo cmdBufInfo = vks::initializers::commandBufferBeginInfo();
|
||||
|
||||
VkImageSubresourceRange subresourceRange { VK_IMAGE_ASPECT_COLOR_BIT, 0, VK_REMAINING_MIP_LEVELS, 0, VK_REMAINING_MIP_LEVELS };
|
||||
VkClearValue clearValues[2];
|
||||
clearValues[0].color = defaultClearColor;
|
||||
clearValues[1].depthStencil = { 1.0f, 0 };
|
||||
|
||||
vks::tools::setImageLayout(
|
||||
blitCommandBuffers[i],
|
||||
swapChain.images[i],
|
||||
VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
|
||||
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
|
||||
subresourceRange);
|
||||
VkRenderPassBeginInfo renderPassBeginInfo = vks::initializers::renderPassBeginInfo();
|
||||
renderPassBeginInfo.renderPass = multiviewPass.renderPass;
|
||||
renderPassBeginInfo.renderArea.offset.x = 0;
|
||||
renderPassBeginInfo.renderArea.offset.y = 0;
|
||||
renderPassBeginInfo.renderArea.extent.width = width;
|
||||
renderPassBeginInfo.renderArea.extent.height = height;
|
||||
renderPassBeginInfo.clearValueCount = 2;
|
||||
renderPassBeginInfo.pClearValues = clearValues;
|
||||
|
||||
VkImageBlit imageBlit{};
|
||||
imageBlit.srcOffsets[0] = { 0, 0, 0 };
|
||||
imageBlit.srcOffsets[1] = { static_cast<int32_t>(width), static_cast<int32_t>(height), 1 };
|
||||
imageBlit.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
|
||||
imageBlit.srcSubresource.layerCount = 1;
|
||||
imageBlit.dstSubresource = imageBlit.srcSubresource;
|
||||
for (int32_t i = 0; i < multiviewPass.commandBuffers.size(); ++i) {
|
||||
renderPassBeginInfo.framebuffer = multiviewPass.frameBuffer;
|
||||
|
||||
// Blit first color attachment layer to the left of the swapchain image
|
||||
imageBlit.dstOffsets[0] = { 0, 0, 0 };
|
||||
imageBlit.dstOffsets[1] = { static_cast<int32_t>(width) / 2, static_cast<int32_t>(height), 1 };
|
||||
imageBlit.srcSubresource.baseArrayLayer = 0;
|
||||
vkCmdBlitImage(
|
||||
blitCommandBuffers[i],
|
||||
colorAttachment.image,
|
||||
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
|
||||
swapChain.images[i],
|
||||
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
|
||||
1,
|
||||
&imageBlit,
|
||||
VK_FILTER_NEAREST);
|
||||
VK_CHECK_RESULT(vkBeginCommandBuffer(multiviewPass.commandBuffers[i], &cmdBufInfo));
|
||||
vkCmdBeginRenderPass(multiviewPass.commandBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
|
||||
VkViewport viewport = vks::initializers::viewport((float)width, (float)height, 0.0f, 1.0f);
|
||||
vkCmdSetViewport(multiviewPass.commandBuffers[i], 0, 1, &viewport);
|
||||
VkRect2D scissor = vks::initializers::rect2D(width, height, 0, 0);
|
||||
vkCmdSetScissor(multiviewPass.commandBuffers[i], 0, 1, &scissor);
|
||||
|
||||
// Blit second color attachment layer to the left of the swapchain image
|
||||
imageBlit.dstOffsets[0] = { static_cast<int32_t>(width) / 2, 0, 0 };
|
||||
imageBlit.dstOffsets[1] = { static_cast<int32_t>(width), static_cast<int32_t>(height), 1 };
|
||||
imageBlit.srcSubresource.baseArrayLayer = 1;
|
||||
vkCmdBlitImage(
|
||||
blitCommandBuffers[i],
|
||||
colorAttachment.image,
|
||||
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
|
||||
swapChain.images[i],
|
||||
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
|
||||
1,
|
||||
&imageBlit,
|
||||
VK_FILTER_NEAREST);
|
||||
vkCmdBindDescriptorSets(multiviewPass.commandBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &descriptorSet, 0, nullptr);
|
||||
|
||||
vks::tools::setImageLayout(
|
||||
blitCommandBuffers[i],
|
||||
swapChain.images[i],
|
||||
VK_IMAGE_LAYOUT_UNDEFINED,
|
||||
VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
|
||||
subresourceRange);
|
||||
VkDeviceSize offsets[1] = { 0 };
|
||||
vkCmdBindVertexBuffers(multiviewPass.commandBuffers[i], 0, 1, &scene.vertices.buffer, offsets);
|
||||
vkCmdBindIndexBuffer(multiviewPass.commandBuffers[i], scene.indices.buffer, 0, VK_INDEX_TYPE_UINT32);
|
||||
vkCmdBindPipeline(multiviewPass.commandBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline);
|
||||
vkCmdDrawIndexed(multiviewPass.commandBuffers[i], scene.indexCount, 1, 0, 0, 0);
|
||||
|
||||
VK_CHECK_RESULT(vkEndCommandBuffer(blitCommandBuffers[i]));
|
||||
vkCmdEndRenderPass(multiviewPass.commandBuffers[i]);
|
||||
VK_CHECK_RESULT(vkEndCommandBuffer(multiviewPass.commandBuffers[i]));
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
void loadAssets()
|
||||
|
|
@ -483,7 +485,8 @@ public:
|
|||
VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocateInfo, &descriptorSet));
|
||||
std::vector<VkWriteDescriptorSet> writeDescriptorSets = {
|
||||
// Binding 0: Vertex shader UBO
|
||||
vks::initializers::writeDescriptorSet(descriptorSet, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 0, &uniformBuffer.descriptor),
|
||||
vks::initializers::writeDescriptorSet(descriptorSet, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 0, &uniformBuffer.descriptor),
|
||||
vks::initializers::writeDescriptorSet(descriptorSet, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, &multiviewPass.descriptor),
|
||||
};
|
||||
vkUpdateDescriptorSets(device, static_cast<uint32_t>(writeDescriptorSets.size()), writeDescriptorSets.data(), 0, nullptr);
|
||||
}
|
||||
|
|
@ -492,7 +495,7 @@ public:
|
|||
{
|
||||
|
||||
VkSemaphoreCreateInfo semaphoreCI = vks::initializers::semaphoreCreateInfo();
|
||||
VK_CHECK_RESULT(vkCreateSemaphore(device, &semaphoreCI, nullptr, &blitCompleteSemaphore));
|
||||
VK_CHECK_RESULT(vkCreateSemaphore(device, &semaphoreCI, nullptr, &multiviewPass.semaphore));
|
||||
|
||||
/*
|
||||
Display multi view features and properties
|
||||
|
|
@ -571,8 +574,36 @@ public:
|
|||
shaderStages[1] = loadShader(getAssetPath() + "shaders/multiview/multiview.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
|
||||
pipelineCI.stageCount = 2;
|
||||
pipelineCI.pStages = shaderStages.data();
|
||||
|
||||
VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCI, nullptr, &pipeline));
|
||||
|
||||
/*
|
||||
Full screen pass
|
||||
*/
|
||||
|
||||
float multiviewArrayLayer = 0.0f;
|
||||
|
||||
VkSpecializationMapEntry specializationMapEntry{ 0, 0, sizeof(float) };
|
||||
|
||||
VkSpecializationInfo specializationInfo{};
|
||||
specializationInfo.dataSize = sizeof(float);
|
||||
specializationInfo.mapEntryCount = 1;
|
||||
specializationInfo.pMapEntries = &specializationMapEntry;
|
||||
specializationInfo.pData = &multiviewArrayLayer;
|
||||
|
||||
/*
|
||||
Separate pipelines per eye (view) using specialization constants to set view array layer to sample from
|
||||
*/
|
||||
for (uint32_t i = 0; i < 2; i++) {
|
||||
shaderStages[0] = loadShader(getAssetPath() + "shaders/multiview/viewdisplay.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
|
||||
shaderStages[1] = loadShader(getAssetPath() + "shaders/multiview/viewdisplay.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
|
||||
shaderStages[1].pSpecializationInfo = &specializationInfo;
|
||||
multiviewArrayLayer = (float)i;
|
||||
VkPipelineVertexInputStateCreateInfo emptyInputState = vks::initializers::pipelineVertexInputStateCreateInfo();
|
||||
pipelineCI.pVertexInputState = &emptyInputState;
|
||||
pipelineCI.layout = pipelineLayout;
|
||||
VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCI, nullptr, &viewDisplayPipelines[i]));
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
// Prepare and initialize uniform buffer containing shader uniforms
|
||||
|
|
@ -639,39 +670,40 @@ public:
|
|||
{
|
||||
VulkanExampleBase::prepareFrame();
|
||||
|
||||
// Render
|
||||
// Multiview offscreen render
|
||||
VK_CHECK_RESULT(vkWaitForFences(device, 1, &multiviewPass.waitFences[currentBuffer], VK_TRUE, UINT64_MAX));
|
||||
VK_CHECK_RESULT(vkResetFences(device, 1, &multiviewPass.waitFences[currentBuffer]));
|
||||
submitInfo.pWaitSemaphores = &semaphores.presentComplete;
|
||||
submitInfo.pSignalSemaphores = &multiviewPass.semaphore;
|
||||
submitInfo.commandBufferCount = 1;
|
||||
submitInfo.pCommandBuffers = &multiviewPass.commandBuffers[currentBuffer];
|
||||
VK_CHECK_RESULT(vkQueueSubmit(queue, 1, &submitInfo, multiviewPass.waitFences[currentBuffer]));
|
||||
|
||||
// View display
|
||||
VK_CHECK_RESULT(vkWaitForFences(device, 1, &waitFences[currentBuffer], VK_TRUE, UINT64_MAX));
|
||||
VK_CHECK_RESULT(vkResetFences(device, 1, &waitFences[currentBuffer]));
|
||||
submitInfo.pWaitSemaphores = &semaphores.presentComplete;
|
||||
submitInfo.pWaitSemaphores = &multiviewPass.semaphore;
|
||||
submitInfo.pSignalSemaphores = &semaphores.renderComplete;
|
||||
submitInfo.commandBufferCount = 1;
|
||||
submitInfo.pCommandBuffers = &drawCmdBuffers[currentBuffer];
|
||||
VK_CHECK_RESULT(vkQueueSubmit(queue, 1, &submitInfo, waitFences[currentBuffer]));
|
||||
|
||||
// Blit
|
||||
VK_CHECK_RESULT(vkWaitForFences(device, 1, &blitWaitFences[currentBuffer], VK_TRUE, UINT64_MAX));
|
||||
VK_CHECK_RESULT(vkResetFences(device, 1, &blitWaitFences[currentBuffer]));
|
||||
submitInfo.pWaitSemaphores = &semaphores.renderComplete;
|
||||
submitInfo.pSignalSemaphores = &blitCompleteSemaphore;
|
||||
submitInfo.commandBufferCount = 1;
|
||||
submitInfo.pCommandBuffers = &blitCommandBuffers[currentBuffer];
|
||||
VK_CHECK_RESULT(vkQueueSubmit(queue, 1, &submitInfo, blitWaitFences[currentBuffer]));
|
||||
|
||||
VK_CHECK_RESULT(swapChain.queuePresent(queue, currentBuffer, blitCompleteSemaphore));
|
||||
VulkanExampleBase::submitFrame();
|
||||
}
|
||||
|
||||
void prepare()
|
||||
{
|
||||
VulkanExampleBase::prepare();
|
||||
loadAssets();
|
||||
prepareMultiview();
|
||||
prepareUniformBuffers();
|
||||
prepareDescriptors();
|
||||
preparePipelines();
|
||||
buildCommandBuffers();
|
||||
|
||||
VkFenceCreateInfo fenceCreateInfo = vks::initializers::fenceCreateInfo(VK_FENCE_CREATE_SIGNALED_BIT);
|
||||
blitWaitFences.resize(blitCommandBuffers.size());
|
||||
for (auto& fence : blitWaitFences) {
|
||||
multiviewPass.waitFences.resize(multiviewPass.commandBuffers.size());
|
||||
for (auto& fence : multiviewPass.waitFences) {
|
||||
VK_CHECK_RESULT(vkCreateFence(device, &fenceCreateInfo, nullptr, &fence));
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue