779 lines
28 KiB
C++
779 lines
28 KiB
C++
/*
|
|
* Vulkan Example - Multisampling using resolve attachments
|
|
*
|
|
* Copyright (C) 2016 by Sascha Willems - www.saschawillems.de
|
|
*
|
|
* This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <assert.h>
|
|
#include <vector>
|
|
#include <algorithm>
|
|
|
|
#define GLM_FORCE_RADIANS
|
|
#define GLM_FORCE_DEPTH_ZERO_TO_ONE
|
|
#include <glm/glm.hpp>
|
|
#include <glm/gtc/matrix_transform.hpp>
|
|
|
|
#include <vulkan/vulkan.h>
|
|
#include "vulkanexamplebase.h"
|
|
#include "VulkanBuffer.hpp"
|
|
#include "VulkanTexture.hpp"
|
|
#include "VulkanModel.hpp"
|
|
|
|
#define VERTEX_BUFFER_BIND_ID 0
|
|
#define ENABLE_VALIDATION false
|
|
|
|
struct {
|
|
struct {
|
|
VkImage image;
|
|
VkImageView view;
|
|
VkDeviceMemory memory;
|
|
} color;
|
|
struct {
|
|
VkImage image;
|
|
VkImageView view;
|
|
VkDeviceMemory memory;
|
|
} depth;
|
|
} multisampleTarget;
|
|
|
|
class VulkanExample : public VulkanExampleBase
|
|
{
|
|
public:
|
|
bool useSampleShading = false;
|
|
VkSampleCountFlagBits sampleCount = VK_SAMPLE_COUNT_1_BIT;
|
|
|
|
struct {
|
|
vks::Texture2D colorMap;
|
|
} textures;
|
|
|
|
// Vertex layout for the models
|
|
vks::VertexLayout vertexLayout = vks::VertexLayout({
|
|
vks::VERTEX_COMPONENT_POSITION,
|
|
vks::VERTEX_COMPONENT_NORMAL,
|
|
vks::VERTEX_COMPONENT_UV,
|
|
vks::VERTEX_COMPONENT_COLOR,
|
|
});
|
|
|
|
struct {
|
|
vks::Model example;
|
|
} models;
|
|
|
|
struct {
|
|
VkPipelineVertexInputStateCreateInfo inputState;
|
|
std::vector<VkVertexInputBindingDescription> bindingDescriptions;
|
|
std::vector<VkVertexInputAttributeDescription> attributeDescriptions;
|
|
} vertices;
|
|
|
|
vks::Buffer uniformBuffer;
|
|
|
|
struct UBOVS {
|
|
glm::mat4 projection;
|
|
glm::mat4 model;
|
|
glm::vec4 lightPos = glm::vec4(5.0f, 5.0f, 5.0f, 1.0f);
|
|
} uboVS;
|
|
|
|
struct {
|
|
VkPipeline MSAA;
|
|
VkPipeline MSAASampleShading;
|
|
} pipelines;
|
|
|
|
VkPipelineLayout pipelineLayout;
|
|
VkDescriptorSet descriptorSet;
|
|
VkDescriptorSetLayout descriptorSetLayout;
|
|
VkRenderPass uiRenderPass;
|
|
|
|
VulkanExample() : VulkanExampleBase(ENABLE_VALIDATION)
|
|
{
|
|
zoom = -7.5f;
|
|
zoomSpeed = 2.5f;
|
|
rotation = { 0.0f, -90.0f, 0.0f };
|
|
cameraPos = glm::vec3(2.5f, 2.5f, 0.0f);
|
|
title = "Multisampling";
|
|
settings.overlay = true;
|
|
}
|
|
|
|
~VulkanExample()
|
|
{
|
|
// Clean up used Vulkan resources
|
|
// Note : Inherited destructor cleans up resources stored in base class
|
|
vkDestroyPipeline(device, pipelines.MSAA, nullptr);
|
|
vkDestroyPipeline(device, pipelines.MSAASampleShading, nullptr);
|
|
vkDestroyRenderPass(device, uiRenderPass, nullptr);
|
|
|
|
vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
|
|
vkDestroyDescriptorSetLayout(device, descriptorSetLayout, nullptr);
|
|
|
|
models.example.destroy();
|
|
|
|
// Destroy MSAA target
|
|
vkDestroyImage(device, multisampleTarget.color.image, nullptr);
|
|
vkDestroyImageView(device, multisampleTarget.color.view, nullptr);
|
|
vkFreeMemory(device, multisampleTarget.color.memory, nullptr);
|
|
vkDestroyImage(device, multisampleTarget.depth.image, nullptr);
|
|
vkDestroyImageView(device, multisampleTarget.depth.view, nullptr);
|
|
vkFreeMemory(device, multisampleTarget.depth.memory, nullptr);
|
|
|
|
textures.colorMap.destroy();
|
|
|
|
uniformBuffer.destroy();
|
|
}
|
|
|
|
// Enable physical device features required for this example
|
|
virtual void getEnabledFeatures()
|
|
{
|
|
// Enable sample rate shading filtering if supported
|
|
if (deviceFeatures.sampleRateShading) {
|
|
enabledFeatures.sampleRateShading = VK_TRUE;
|
|
}
|
|
// Enable texture compression
|
|
if (deviceFeatures.textureCompressionBC) {
|
|
enabledFeatures.textureCompressionBC = VK_TRUE;
|
|
}
|
|
else if (deviceFeatures.textureCompressionASTC_LDR) {
|
|
enabledFeatures.textureCompressionASTC_LDR = VK_TRUE;
|
|
}
|
|
else if (deviceFeatures.textureCompressionETC2) {
|
|
enabledFeatures.textureCompressionETC2 = VK_TRUE;
|
|
}
|
|
}
|
|
|
|
// Creates a multi sample render target (image and view) that is used to resolve
|
|
// into the visible frame buffer target in the render pass
|
|
void setupMultisampleTarget()
|
|
{
|
|
// Check if device supports requested sample count for color and depth frame buffer
|
|
assert((deviceProperties.limits.framebufferColorSampleCounts >= sampleCount) && (deviceProperties.limits.framebufferDepthSampleCounts >= sampleCount));
|
|
|
|
// Color target
|
|
VkImageCreateInfo info = vks::initializers::imageCreateInfo();
|
|
info.imageType = VK_IMAGE_TYPE_2D;
|
|
info.format = swapChain.colorFormat;
|
|
info.extent.width = width;
|
|
info.extent.height = height;
|
|
info.extent.depth = 1;
|
|
info.mipLevels = 1;
|
|
info.arrayLayers = 1;
|
|
info.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
|
|
info.tiling = VK_IMAGE_TILING_OPTIMAL;
|
|
info.samples = sampleCount;
|
|
// Image will only be used as a transient target
|
|
info.usage = VK_IMAGE_USAGE_TRANSIENT_ATTACHMENT_BIT | VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
|
|
info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
|
|
|
|
VK_CHECK_RESULT(vkCreateImage(device, &info, nullptr, &multisampleTarget.color.image));
|
|
|
|
VkMemoryRequirements memReqs;
|
|
vkGetImageMemoryRequirements(device, multisampleTarget.color.image, &memReqs);
|
|
VkMemoryAllocateInfo memAlloc = vks::initializers::memoryAllocateInfo();
|
|
memAlloc.allocationSize = memReqs.size;
|
|
// We prefer a lazily allocated memory type
|
|
// This means that the memory gets allocated when the implementation sees fit, e.g. when first using the images
|
|
VkBool32 lazyMemTypePresent;
|
|
memAlloc.memoryTypeIndex = vulkanDevice->getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_LAZILY_ALLOCATED_BIT, &lazyMemTypePresent);
|
|
if (!lazyMemTypePresent)
|
|
{
|
|
// If this is not available, fall back to device local memory
|
|
memAlloc.memoryTypeIndex = vulkanDevice->getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
|
|
}
|
|
VK_CHECK_RESULT(vkAllocateMemory(device, &memAlloc, nullptr, &multisampleTarget.color.memory));
|
|
vkBindImageMemory(device, multisampleTarget.color.image, multisampleTarget.color.memory, 0);
|
|
|
|
// Create image view for the MSAA target
|
|
VkImageViewCreateInfo viewInfo = vks::initializers::imageViewCreateInfo();
|
|
viewInfo.image = multisampleTarget.color.image;
|
|
viewInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
|
|
viewInfo.format = swapChain.colorFormat;
|
|
viewInfo.components.r = VK_COMPONENT_SWIZZLE_R;
|
|
viewInfo.components.g = VK_COMPONENT_SWIZZLE_G;
|
|
viewInfo.components.b = VK_COMPONENT_SWIZZLE_B;
|
|
viewInfo.components.a = VK_COMPONENT_SWIZZLE_A;
|
|
viewInfo.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
|
|
viewInfo.subresourceRange.levelCount = 1;
|
|
viewInfo.subresourceRange.layerCount = 1;
|
|
|
|
VK_CHECK_RESULT(vkCreateImageView(device, &viewInfo, nullptr, &multisampleTarget.color.view));
|
|
|
|
// Depth target
|
|
info.imageType = VK_IMAGE_TYPE_2D;
|
|
info.format = depthFormat;
|
|
info.extent.width = width;
|
|
info.extent.height = height;
|
|
info.extent.depth = 1;
|
|
info.mipLevels = 1;
|
|
info.arrayLayers = 1;
|
|
info.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
|
|
info.tiling = VK_IMAGE_TILING_OPTIMAL;
|
|
info.samples = sampleCount;
|
|
// Image will only be used as a transient target
|
|
info.usage = VK_IMAGE_USAGE_TRANSIENT_ATTACHMENT_BIT | VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT;
|
|
info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
|
|
|
|
VK_CHECK_RESULT(vkCreateImage(device, &info, nullptr, &multisampleTarget.depth.image));
|
|
|
|
vkGetImageMemoryRequirements(device, multisampleTarget.depth.image, &memReqs);
|
|
memAlloc = vks::initializers::memoryAllocateInfo();
|
|
memAlloc.allocationSize = memReqs.size;
|
|
|
|
memAlloc.memoryTypeIndex = vulkanDevice->getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_LAZILY_ALLOCATED_BIT, &lazyMemTypePresent);
|
|
if (!lazyMemTypePresent)
|
|
{
|
|
memAlloc.memoryTypeIndex = vulkanDevice->getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
|
|
}
|
|
|
|
VK_CHECK_RESULT(vkAllocateMemory(device, &memAlloc, nullptr, &multisampleTarget.depth.memory));
|
|
vkBindImageMemory(device, multisampleTarget.depth.image, multisampleTarget.depth.memory, 0);
|
|
|
|
// Create image view for the MSAA target
|
|
viewInfo.image = multisampleTarget.depth.image;
|
|
viewInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
|
|
viewInfo.format = depthFormat;
|
|
viewInfo.components.r = VK_COMPONENT_SWIZZLE_R;
|
|
viewInfo.components.g = VK_COMPONENT_SWIZZLE_G;
|
|
viewInfo.components.b = VK_COMPONENT_SWIZZLE_B;
|
|
viewInfo.components.a = VK_COMPONENT_SWIZZLE_A;
|
|
viewInfo.subresourceRange.aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT;
|
|
viewInfo.subresourceRange.levelCount = 1;
|
|
viewInfo.subresourceRange.layerCount = 1;
|
|
|
|
VK_CHECK_RESULT(vkCreateImageView(device, &viewInfo, nullptr, &multisampleTarget.depth.view));
|
|
}
|
|
|
|
// Setup a render pass for using a multi sampled attachment
|
|
// and a resolve attachment that the msaa image is resolved
|
|
// to at the end of the render pass
|
|
void setupRenderPass()
|
|
{
|
|
// Overrides the virtual function of the base class
|
|
|
|
std::array<VkAttachmentDescription, 4> attachments = {};
|
|
|
|
// Multisampled attachment that we render to
|
|
attachments[0].format = swapChain.colorFormat;
|
|
attachments[0].samples = sampleCount;
|
|
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_COLOR_ATTACHMENT_OPTIMAL;
|
|
|
|
// This is the frame buffer attachment to where the multisampled image
|
|
// will be resolved to and which will be presented to the swapchain
|
|
attachments[1].format = swapChain.colorFormat;
|
|
attachments[1].samples = VK_SAMPLE_COUNT_1_BIT;
|
|
attachments[1].loadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
|
|
attachments[1].storeOp = VK_ATTACHMENT_STORE_OP_STORE;
|
|
attachments[1].stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
|
|
attachments[1].stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
|
|
attachments[1].initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
|
|
attachments[1].finalLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
|
|
|
|
// Multisampled depth attachment we render to
|
|
attachments[2].format = depthFormat;
|
|
attachments[2].samples = sampleCount;
|
|
attachments[2].loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
|
|
attachments[2].storeOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
|
|
attachments[2].stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
|
|
attachments[2].stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
|
|
attachments[2].initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
|
|
attachments[2].finalLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
|
|
|
|
// Depth resolve attachment
|
|
attachments[3].format = depthFormat;
|
|
attachments[3].samples = VK_SAMPLE_COUNT_1_BIT;
|
|
attachments[3].loadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
|
|
attachments[3].storeOp = VK_ATTACHMENT_STORE_OP_STORE;
|
|
attachments[3].stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
|
|
attachments[3].stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
|
|
attachments[3].initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
|
|
attachments[3].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 = 2;
|
|
depthReference.layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
|
|
|
|
// Resolve attachment reference for the color attachment
|
|
VkAttachmentReference resolveReference = {};
|
|
resolveReference.attachment = 1;
|
|
resolveReference.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
|
|
|
|
VkSubpassDescription subpass = {};
|
|
subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
|
|
subpass.colorAttachmentCount = 1;
|
|
subpass.pColorAttachments = &colorReference;
|
|
// Pass our resolve attachments to the sub pass
|
|
subpass.pResolveAttachments = &resolveReference;
|
|
subpass.pDepthStencilAttachment = &depthReference;
|
|
|
|
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 renderPassInfo = vks::initializers::renderPassCreateInfo();
|
|
renderPassInfo.attachmentCount = attachments.size();
|
|
renderPassInfo.pAttachments = attachments.data();
|
|
renderPassInfo.subpassCount = 1;
|
|
renderPassInfo.pSubpasses = &subpass;
|
|
renderPassInfo.dependencyCount = 2;
|
|
renderPassInfo.pDependencies = dependencies.data();
|
|
|
|
VK_CHECK_RESULT(vkCreateRenderPass(device, &renderPassInfo, nullptr, &renderPass));
|
|
|
|
// Create custom overlay render pass
|
|
colorReference.attachment = 1;
|
|
attachments[1].loadOp = VK_ATTACHMENT_LOAD_OP_LOAD;
|
|
subpass.pResolveAttachments = 0;
|
|
subpass.pDepthStencilAttachment = 0;
|
|
|
|
VK_CHECK_RESULT(vkCreateRenderPass(device, &renderPassInfo, nullptr, &uiRenderPass));
|
|
}
|
|
|
|
// Frame buffer attachments must match with render pass setup,
|
|
// so we need to adjust frame buffer creation to cover our
|
|
// multisample target
|
|
void setupFrameBuffer()
|
|
{
|
|
// Overrides the virtual function of the base class
|
|
|
|
std::array<VkImageView, 4> attachments;
|
|
|
|
setupMultisampleTarget();
|
|
|
|
attachments[0] = multisampleTarget.color.view;
|
|
// attachment[1] = swapchain image
|
|
attachments[2] = multisampleTarget.depth.view;
|
|
attachments[3] = depthStencil.view;
|
|
|
|
VkFramebufferCreateInfo frameBufferCreateInfo = {};
|
|
frameBufferCreateInfo.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
|
|
frameBufferCreateInfo.pNext = NULL;
|
|
frameBufferCreateInfo.renderPass = renderPass;
|
|
frameBufferCreateInfo.attachmentCount = attachments.size();
|
|
frameBufferCreateInfo.pAttachments = attachments.data();
|
|
frameBufferCreateInfo.width = width;
|
|
frameBufferCreateInfo.height = height;
|
|
frameBufferCreateInfo.layers = 1;
|
|
|
|
// Create frame buffers for every swap chain image
|
|
frameBuffers.resize(swapChain.imageCount);
|
|
for (uint32_t i = 0; i < frameBuffers.size(); i++)
|
|
{
|
|
attachments[1] = swapChain.buffers[i].view;
|
|
VK_CHECK_RESULT(vkCreateFramebuffer(device, &frameBufferCreateInfo, nullptr, &frameBuffers[i]));
|
|
}
|
|
}
|
|
|
|
void buildCommandBuffers()
|
|
{
|
|
VkCommandBufferBeginInfo cmdBufInfo = vks::initializers::commandBufferBeginInfo();
|
|
|
|
VkClearValue clearValues[3];
|
|
// Clear to a white background for higher contrast
|
|
clearValues[0].color = { { 1.0f, 1.0f, 1.0f, 1.0f } };
|
|
clearValues[1].color = { { 1.0f, 1.0f, 1.0f, 1.0f } };
|
|
clearValues[2].depthStencil = { 1.0f, 0 };
|
|
|
|
VkRenderPassBeginInfo renderPassBeginInfo = vks::initializers::renderPassBeginInfo();
|
|
renderPassBeginInfo.renderPass = renderPass;
|
|
renderPassBeginInfo.renderArea.extent.width = width;
|
|
renderPassBeginInfo.renderArea.extent.height = height;
|
|
renderPassBeginInfo.clearValueCount = 3;
|
|
renderPassBeginInfo.pClearValues = clearValues;
|
|
|
|
for (int32_t i = 0; i < drawCmdBuffers.size(); ++i)
|
|
{
|
|
// Set target frame buffer
|
|
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, (float)height, 0.0f, 1.0f);
|
|
vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
|
|
|
|
VkRect2D scissor = vks::initializers::rect2D(width, height, 0, 0);
|
|
vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
|
|
|
|
vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &descriptorSet, 0, NULL);
|
|
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, useSampleShading ? pipelines.MSAASampleShading : pipelines.MSAA);
|
|
|
|
VkDeviceSize offsets[1] = { 0 };
|
|
vkCmdBindVertexBuffers(drawCmdBuffers[i], VERTEX_BUFFER_BIND_ID, 1, &models.example.vertices.buffer, offsets);
|
|
vkCmdBindIndexBuffer(drawCmdBuffers[i], models.example.indices.buffer, 0, VK_INDEX_TYPE_UINT32);
|
|
vkCmdDrawIndexed(drawCmdBuffers[i], models.example.indexCount, 1, 0, 0, 0);
|
|
|
|
vkCmdEndRenderPass(drawCmdBuffers[i]);
|
|
|
|
VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));
|
|
}
|
|
}
|
|
|
|
void loadAssets()
|
|
{
|
|
models.example.loadFromFile(getAssetPath() + "models/voyager/voyager.dae", vertexLayout, 1.0f, vulkanDevice, queue);
|
|
if (deviceFeatures.textureCompressionBC) {
|
|
textures.colorMap.loadFromFile(getAssetPath() + "models/voyager/voyager_bc3_unorm.ktx", VK_FORMAT_BC3_UNORM_BLOCK, vulkanDevice, queue);
|
|
}
|
|
else if (deviceFeatures.textureCompressionASTC_LDR) {
|
|
textures.colorMap.loadFromFile(getAssetPath() + "models/voyager/voyager_astc_8x8_unorm.ktx", VK_FORMAT_ASTC_8x8_UNORM_BLOCK, vulkanDevice, queue);
|
|
}
|
|
else if (deviceFeatures.textureCompressionETC2) {
|
|
textures.colorMap.loadFromFile(getAssetPath() + "models/voyager/voyager_etc2_unorm.ktx", VK_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK, vulkanDevice, queue);
|
|
}
|
|
else {
|
|
vks::tools::exitFatal("Device does not support any compressed texture format!", "Error");
|
|
}
|
|
}
|
|
|
|
void setupVertexDescriptions()
|
|
{
|
|
// Binding description
|
|
vertices.bindingDescriptions.resize(1);
|
|
vertices.bindingDescriptions[0] =
|
|
vks::initializers::vertexInputBindingDescription(
|
|
VERTEX_BUFFER_BIND_ID,
|
|
vertexLayout.stride(),
|
|
VK_VERTEX_INPUT_RATE_VERTEX);
|
|
|
|
// Attribute descriptions
|
|
vertices.attributeDescriptions.resize(4);
|
|
// Location 0 : Position
|
|
vertices.attributeDescriptions[0] =
|
|
vks::initializers::vertexInputAttributeDescription(
|
|
VERTEX_BUFFER_BIND_ID,
|
|
0,
|
|
VK_FORMAT_R32G32B32_SFLOAT,
|
|
0);
|
|
// Location 1 : Normal
|
|
vertices.attributeDescriptions[1] =
|
|
vks::initializers::vertexInputAttributeDescription(
|
|
VERTEX_BUFFER_BIND_ID,
|
|
1,
|
|
VK_FORMAT_R32G32B32_SFLOAT,
|
|
sizeof(float) * 3);
|
|
// Location 2 : Texture coordinates
|
|
vertices.attributeDescriptions[2] =
|
|
vks::initializers::vertexInputAttributeDescription(
|
|
VERTEX_BUFFER_BIND_ID,
|
|
2,
|
|
VK_FORMAT_R32G32_SFLOAT,
|
|
sizeof(float) * 6);
|
|
// Location 3 : Color
|
|
vertices.attributeDescriptions[3] =
|
|
vks::initializers::vertexInputAttributeDescription(
|
|
VERTEX_BUFFER_BIND_ID,
|
|
3,
|
|
VK_FORMAT_R32G32B32_SFLOAT,
|
|
sizeof(float) * 8);
|
|
|
|
vertices.inputState = vks::initializers::pipelineVertexInputStateCreateInfo();
|
|
vertices.inputState.vertexBindingDescriptionCount = vertices.bindingDescriptions.size();
|
|
vertices.inputState.pVertexBindingDescriptions = vertices.bindingDescriptions.data();
|
|
vertices.inputState.vertexAttributeDescriptionCount = vertices.attributeDescriptions.size();
|
|
vertices.inputState.pVertexAttributeDescriptions = vertices.attributeDescriptions.data();
|
|
}
|
|
|
|
void setupDescriptorPool()
|
|
{
|
|
// Example uses one ubo and one combined image sampler
|
|
std::vector<VkDescriptorPoolSize> poolSizes =
|
|
{
|
|
vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1),
|
|
vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1),
|
|
};
|
|
|
|
VkDescriptorPoolCreateInfo descriptorPoolInfo =
|
|
vks::initializers::descriptorPoolCreateInfo(
|
|
poolSizes.size(),
|
|
poolSizes.data(),
|
|
2);
|
|
|
|
VK_CHECK_RESULT(vkCreateDescriptorPool(device, &descriptorPoolInfo, nullptr, &descriptorPool));
|
|
}
|
|
|
|
void setupDescriptorSetLayout()
|
|
{
|
|
std::vector<VkDescriptorSetLayoutBinding> setLayoutBindings =
|
|
{
|
|
// Binding 0 : Vertex shader uniform buffer
|
|
vks::initializers::descriptorSetLayoutBinding(
|
|
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
|
|
VK_SHADER_STAGE_VERTEX_BIT,
|
|
0),
|
|
// Binding 1 : Fragment shader combined sampler
|
|
vks::initializers::descriptorSetLayoutBinding(
|
|
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
|
|
VK_SHADER_STAGE_FRAGMENT_BIT,
|
|
1),
|
|
};
|
|
|
|
VkDescriptorSetLayoutCreateInfo descriptorLayout =
|
|
vks::initializers::descriptorSetLayoutCreateInfo(
|
|
setLayoutBindings.data(),
|
|
setLayoutBindings.size());
|
|
|
|
VK_CHECK_RESULT(vkCreateDescriptorSetLayout(device, &descriptorLayout, nullptr, &descriptorSetLayout));
|
|
|
|
VkPipelineLayoutCreateInfo pPipelineLayoutCreateInfo =
|
|
vks::initializers::pipelineLayoutCreateInfo(
|
|
&descriptorSetLayout,
|
|
1);
|
|
|
|
VK_CHECK_RESULT(vkCreatePipelineLayout(device, &pPipelineLayoutCreateInfo, nullptr, &pipelineLayout));
|
|
}
|
|
|
|
void setupDescriptorSet()
|
|
{
|
|
VkDescriptorSetAllocateInfo allocInfo =
|
|
vks::initializers::descriptorSetAllocateInfo(
|
|
descriptorPool,
|
|
&descriptorSetLayout,
|
|
1);
|
|
|
|
VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocInfo, &descriptorSet));
|
|
|
|
VkDescriptorImageInfo texDescriptor =
|
|
vks::initializers::descriptorImageInfo(
|
|
textures.colorMap.sampler,
|
|
textures.colorMap.view,
|
|
VK_IMAGE_LAYOUT_GENERAL);
|
|
|
|
std::vector<VkWriteDescriptorSet> writeDescriptorSets =
|
|
{
|
|
// Binding 0 : Vertex shader uniform buffer
|
|
vks::initializers::writeDescriptorSet(
|
|
descriptorSet,
|
|
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
|
|
0,
|
|
&uniformBuffer.descriptor),
|
|
// Binding 1 : Color map
|
|
vks::initializers::writeDescriptorSet(
|
|
descriptorSet,
|
|
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
|
|
1,
|
|
&texDescriptor)
|
|
};
|
|
|
|
vkUpdateDescriptorSets(device, writeDescriptorSets.size(), writeDescriptorSets.data(), 0, NULL);
|
|
}
|
|
|
|
void preparePipelines()
|
|
{
|
|
VkPipelineInputAssemblyStateCreateInfo inputAssemblyState =
|
|
vks::initializers::pipelineInputAssemblyStateCreateInfo(
|
|
VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST,
|
|
0,
|
|
VK_FALSE);
|
|
|
|
VkPipelineRasterizationStateCreateInfo rasterizationState =
|
|
vks::initializers::pipelineRasterizationStateCreateInfo(
|
|
VK_POLYGON_MODE_FILL,
|
|
VK_CULL_MODE_BACK_BIT,
|
|
VK_FRONT_FACE_CLOCKWISE,
|
|
0);
|
|
|
|
VkPipelineColorBlendAttachmentState blendAttachmentState =
|
|
vks::initializers::pipelineColorBlendAttachmentState(
|
|
0xf,
|
|
VK_FALSE);
|
|
|
|
VkPipelineColorBlendStateCreateInfo colorBlendState =
|
|
vks::initializers::pipelineColorBlendStateCreateInfo(
|
|
1,
|
|
&blendAttachmentState);
|
|
|
|
VkPipelineDepthStencilStateCreateInfo depthStencilState =
|
|
vks::initializers::pipelineDepthStencilStateCreateInfo(
|
|
VK_TRUE,
|
|
VK_TRUE,
|
|
VK_COMPARE_OP_LESS_OR_EQUAL);
|
|
|
|
VkPipelineViewportStateCreateInfo viewportState =
|
|
vks::initializers::pipelineViewportStateCreateInfo(1, 1, 0);
|
|
|
|
std::vector<VkDynamicState> dynamicStateEnables = {
|
|
VK_DYNAMIC_STATE_VIEWPORT,
|
|
VK_DYNAMIC_STATE_SCISSOR
|
|
};
|
|
VkPipelineDynamicStateCreateInfo dynamicState =
|
|
vks::initializers::pipelineDynamicStateCreateInfo(
|
|
dynamicStateEnables.data(),
|
|
dynamicStateEnables.size(),
|
|
0);
|
|
|
|
VkGraphicsPipelineCreateInfo pipelineCreateInfo =
|
|
vks::initializers::pipelineCreateInfo(
|
|
pipelineLayout,
|
|
renderPass,
|
|
0);
|
|
|
|
VkPipelineMultisampleStateCreateInfo multisampleState{};
|
|
multisampleState.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
|
|
|
|
std::array<VkPipelineShaderStageCreateInfo, 2> shaderStages;
|
|
|
|
pipelineCreateInfo.pVertexInputState = &vertices.inputState;
|
|
pipelineCreateInfo.pInputAssemblyState = &inputAssemblyState;
|
|
pipelineCreateInfo.pRasterizationState = &rasterizationState;
|
|
pipelineCreateInfo.pColorBlendState = &colorBlendState;
|
|
pipelineCreateInfo.pMultisampleState = &multisampleState;
|
|
pipelineCreateInfo.pViewportState = &viewportState;
|
|
pipelineCreateInfo.pDepthStencilState = &depthStencilState;
|
|
pipelineCreateInfo.pDynamicState = &dynamicState;
|
|
pipelineCreateInfo.stageCount = shaderStages.size();
|
|
pipelineCreateInfo.pStages = shaderStages.data();
|
|
|
|
// MSAA rendering pipeline
|
|
shaderStages[0] = loadShader(getAssetPath() + "shaders/mesh/mesh.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
|
|
shaderStages[1] = loadShader(getAssetPath() + "shaders/mesh/mesh.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
|
|
// Setup multi sampling
|
|
multisampleState.rasterizationSamples = sampleCount; // Number of samples to use for rasterization
|
|
|
|
VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, nullptr, &pipelines.MSAA));
|
|
|
|
// MSAA with sample shading pipeline
|
|
// Sample shading enables per-sample shading to avoid shader aliasing and smooth out e.g. high frequency texture maps
|
|
// Note: This will trade performance for are more stable image
|
|
multisampleState.sampleShadingEnable = VK_TRUE; // Enable per-sample shading (instead of per-fragment)
|
|
multisampleState.minSampleShading = 0.25f; // Minimum fraction for sample shading
|
|
|
|
VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, nullptr, &pipelines.MSAASampleShading));
|
|
}
|
|
|
|
// Prepare and initialize uniform buffer containing shader uniforms
|
|
void prepareUniformBuffers()
|
|
{
|
|
// Vertex shader uniform buffer block
|
|
VK_CHECK_RESULT(vulkanDevice->createBuffer(
|
|
VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
|
|
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
|
|
&uniformBuffer,
|
|
sizeof(uboVS)));
|
|
|
|
// Map persistent
|
|
VK_CHECK_RESULT(uniformBuffer.map());
|
|
|
|
updateUniformBuffers();
|
|
}
|
|
|
|
void updateUniformBuffers()
|
|
{
|
|
// Vertex shader
|
|
glm::mat4 viewMatrix = glm::mat4(1.0f);
|
|
uboVS.projection = glm::perspective(glm::radians(60.0f), (float)width / (float)height, 0.1f, 256.0f);
|
|
viewMatrix = glm::translate(viewMatrix, glm::vec3(0.0f, 0.0f, zoom));
|
|
|
|
float offset = 0.5f;
|
|
int uboIndex = 1;
|
|
uboVS.model = glm::mat4(1.0f);
|
|
uboVS.model = viewMatrix * glm::translate(uboVS.model, cameraPos);
|
|
uboVS.model = glm::rotate(uboVS.model, glm::radians(rotation.x), glm::vec3(1.0f, 0.0f, 0.0f));
|
|
uboVS.model = glm::rotate(uboVS.model, glm::radians(rotation.y), glm::vec3(0.0f, 1.0f, 0.0f));
|
|
uboVS.model = glm::rotate(uboVS.model, glm::radians(rotation.z), glm::vec3(0.0f, 0.0f, 1.0f));
|
|
|
|
memcpy(uniformBuffer.mapped, &uboVS, sizeof(uboVS));
|
|
}
|
|
|
|
void draw()
|
|
{
|
|
VulkanExampleBase::prepareFrame();
|
|
|
|
// Command buffer to be sumitted to the queue
|
|
submitInfo.commandBufferCount = 1;
|
|
submitInfo.pCommandBuffers = &drawCmdBuffers[currentBuffer];
|
|
|
|
// Submit to queue
|
|
VK_CHECK_RESULT(vkQueueSubmit(queue, 1, &submitInfo, VK_NULL_HANDLE));
|
|
|
|
VulkanExampleBase::submitFrame();
|
|
}
|
|
|
|
void prepare()
|
|
{
|
|
sampleCount = getMaxUsableSampleCount();
|
|
VulkanExampleBase::prepare();
|
|
loadAssets();
|
|
setupVertexDescriptions();
|
|
prepareUniformBuffers();
|
|
setupDescriptorSetLayout();
|
|
preparePipelines();
|
|
setupDescriptorPool();
|
|
setupDescriptorSet();
|
|
buildCommandBuffers();
|
|
prepared = true;
|
|
}
|
|
|
|
virtual void render()
|
|
{
|
|
if (!prepared)
|
|
return;
|
|
draw();
|
|
}
|
|
|
|
virtual void viewChanged()
|
|
{
|
|
updateUniformBuffers();
|
|
}
|
|
|
|
// Returns the maximum sample count usable by the platform
|
|
VkSampleCountFlagBits getMaxUsableSampleCount()
|
|
{
|
|
VkSampleCountFlags counts = std::min(deviceProperties.limits.framebufferColorSampleCounts, deviceProperties.limits.framebufferDepthSampleCounts);
|
|
if (counts & VK_SAMPLE_COUNT_64_BIT) { return VK_SAMPLE_COUNT_64_BIT; }
|
|
if (counts & VK_SAMPLE_COUNT_32_BIT) { return VK_SAMPLE_COUNT_32_BIT; }
|
|
if (counts & VK_SAMPLE_COUNT_16_BIT) { return VK_SAMPLE_COUNT_16_BIT; }
|
|
if (counts & VK_SAMPLE_COUNT_8_BIT) { return VK_SAMPLE_COUNT_8_BIT; }
|
|
if (counts & VK_SAMPLE_COUNT_4_BIT) { return VK_SAMPLE_COUNT_4_BIT; }
|
|
if (counts & VK_SAMPLE_COUNT_2_BIT) { return VK_SAMPLE_COUNT_2_BIT; }
|
|
return VK_SAMPLE_COUNT_1_BIT;
|
|
}
|
|
|
|
// UI overlay configuration needs to be adjusted for this example (renderpass setup, attachment count, etc.)
|
|
virtual void OnSetupUIOverlay(vks::UIOverlayCreateInfo &createInfo)
|
|
{
|
|
createInfo.renderPass = uiRenderPass;
|
|
createInfo.framebuffers = frameBuffers;
|
|
createInfo.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT;
|
|
createInfo.attachmentCount = 1;
|
|
createInfo.clearValues = {
|
|
{ { 1.0f, 1.0f, 1.0f, 1.0f } },
|
|
{ { 1.0f, 1.0f, 1.0f, 1.0f } },
|
|
{ { 1.0f, 0 } },
|
|
};
|
|
}
|
|
|
|
virtual void OnUpdateUIOverlay(vks::UIOverlay *overlay)
|
|
{
|
|
if (vulkanDevice->features.sampleRateShading) {
|
|
if (overlay->header("Settings")) {
|
|
if (overlay->checkBox("Sample rate shading", &useSampleShading)) {
|
|
buildCommandBuffers();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
VULKAN_EXAMPLE_MAIN()
|