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procedural-3d-engine/debugmarker/debugmarker.cpp

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/*
* Vulkan Example - Example for VK_EXT_debug_marker extension. To be used in conjuction with a debugging app like RenderDoc (https://renderdoc.org)
*
* 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 <string.h>
#include <assert.h>
#include <vector>
#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"
#define VERTEX_BUFFER_BIND_ID 0
#define ENABLE_VALIDATION false
// Offscreen properties
#define OFFSCREEN_DIM 256
#define OFFSCREEN_FORMAT VK_FORMAT_R8G8B8A8_UNORM
#define OFFSCREEN_FILTER VK_FILTER_LINEAR;
// Setup and functions for the VK_EXT_debug_marker_extension
// Extension spec can be found at https://github.com/KhronosGroup/Vulkan-Docs/blob/1.0-VK_EXT_debug_marker/doc/specs/vulkan/appendices/VK_EXT_debug_marker.txt
// Note that the extension will only be present if run from an offline debugging application
// The actual check for extension presence and enabling it on the device is done in the example base class
// See VulkanExampleBase::createInstance and VulkanExampleBase::createDevice (base/vulkanexamplebase.cpp)
namespace DebugMarker
{
bool active = false;
PFN_vkDebugMarkerSetObjectTagEXT pfnDebugMarkerSetObjectTag = VK_NULL_HANDLE;
PFN_vkDebugMarkerSetObjectNameEXT pfnDebugMarkerSetObjectName = VK_NULL_HANDLE;
PFN_vkCmdDebugMarkerBeginEXT pfnCmdDebugMarkerBegin = VK_NULL_HANDLE;
PFN_vkCmdDebugMarkerEndEXT pfnCmdDebugMarkerEnd = VK_NULL_HANDLE;
PFN_vkCmdDebugMarkerInsertEXT pfnCmdDebugMarkerInsert = VK_NULL_HANDLE;
// Get function pointers for the debug report extensions from the device
void setup(VkDevice device)
{
pfnDebugMarkerSetObjectTag = (PFN_vkDebugMarkerSetObjectTagEXT)vkGetDeviceProcAddr(device, "vkDebugMarkerSetObjectTagEXT");
pfnDebugMarkerSetObjectName = (PFN_vkDebugMarkerSetObjectNameEXT)vkGetDeviceProcAddr(device, "vkDebugMarkerSetObjectNameEXT");
pfnCmdDebugMarkerBegin = (PFN_vkCmdDebugMarkerBeginEXT)vkGetDeviceProcAddr(device, "vkCmdDebugMarkerBeginEXT");
pfnCmdDebugMarkerEnd = (PFN_vkCmdDebugMarkerEndEXT)vkGetDeviceProcAddr(device, "vkCmdDebugMarkerEndEXT");
pfnCmdDebugMarkerInsert = (PFN_vkCmdDebugMarkerInsertEXT)vkGetDeviceProcAddr(device, "vkCmdDebugMarkerInsertEXT");
// Set flag if at least one function pointer is present
active = (pfnDebugMarkerSetObjectName != VK_NULL_HANDLE);
}
// Sets the debug name of an object
// All Objects in Vulkan are represented by their 64-bit handles which are passed into this function
// along with the object type
void setObjectName(VkDevice device, uint64_t object, VkDebugReportObjectTypeEXT objectType, const char *name)
{
// Check for valid function pointer (may not be present if not running in a debugging application)
if (pfnDebugMarkerSetObjectName)
{
VkDebugMarkerObjectNameInfoEXT nameInfo = {};
nameInfo.sType = VK_STRUCTURE_TYPE_DEBUG_MARKER_OBJECT_NAME_INFO_EXT;
nameInfo.objectType = objectType;
nameInfo.object = object;
nameInfo.pObjectName = name;
pfnDebugMarkerSetObjectName(device, &nameInfo);
}
}
// Set the tag for an object
void setObjectTag(VkDevice device, uint64_t object, VkDebugReportObjectTypeEXT objectType, uint64_t name, size_t tagSize, const void* tag)
{
// Check for valid function pointer (may not be present if not running in a debugging application)
if (pfnDebugMarkerSetObjectTag)
{
VkDebugMarkerObjectTagInfoEXT tagInfo = {};
tagInfo.sType = VK_STRUCTURE_TYPE_DEBUG_MARKER_OBJECT_TAG_INFO_EXT;
tagInfo.objectType = objectType;
tagInfo.object = object;
tagInfo.tagName = name;
tagInfo.tagSize = tagSize;
tagInfo.pTag = tag;
pfnDebugMarkerSetObjectTag(device, &tagInfo);
}
}
// Start a new debug marker region
void beginRegion(VkCommandBuffer cmdbuffer, const char* pMarkerName, glm::vec4 color)
{
// Check for valid function pointer (may not be present if not running in a debugging application)
if (pfnCmdDebugMarkerBegin)
{
VkDebugMarkerMarkerInfoEXT markerInfo = {};
markerInfo.sType = VK_STRUCTURE_TYPE_DEBUG_MARKER_MARKER_INFO_EXT;
memcpy(markerInfo.color, &color[0], sizeof(float) * 4);
markerInfo.pMarkerName = pMarkerName;
pfnCmdDebugMarkerBegin(cmdbuffer, &markerInfo);
}
}
// Insert a new debug marker into the command buffer
void insert(VkCommandBuffer cmdbuffer, std::string markerName, glm::vec4 color)
{
// Check for valid function pointer (may not be present if not running in a debugging application)
if (pfnCmdDebugMarkerInsert)
{
VkDebugMarkerMarkerInfoEXT markerInfo = {};
markerInfo.sType = VK_STRUCTURE_TYPE_DEBUG_MARKER_MARKER_INFO_EXT;
memcpy(markerInfo.color, &color[0], sizeof(float) * 4);
markerInfo.pMarkerName = markerName.c_str();
pfnCmdDebugMarkerInsert(cmdbuffer, &markerInfo);
}
}
// End the current debug marker region
void endRegion(VkCommandBuffer cmdBuffer)
{
// Check for valid function (may not be present if not runnin in a debugging application)
if (pfnCmdDebugMarkerEnd)
{
pfnCmdDebugMarkerEnd(cmdBuffer);
}
}
};
// Vertex layout used in this example
struct Vertex {
glm::vec3 pos;
glm::vec3 normal;
glm::vec2 uv;
glm::vec3 color;
};
struct Scene {
struct {
VkBuffer buf;
VkDeviceMemory mem;
} vertices;
struct {
VkBuffer buf;
VkDeviceMemory mem;
} indices;
// Store mesh offsets for vertex and indexbuffers
struct Mesh
{
uint32_t indexStart;
uint32_t indexCount;
std::string name;
};
std::vector<Mesh> meshes;
void draw(VkCommandBuffer cmdBuffer)
{
VkDeviceSize offsets[1] = { 0 };
vkCmdBindVertexBuffers(cmdBuffer, VERTEX_BUFFER_BIND_ID, 1, &vertices.buf, offsets);
vkCmdBindIndexBuffer(cmdBuffer, indices.buf, 0, VK_INDEX_TYPE_UINT32);
for (auto mesh : meshes)
{
// Add debug marker for mesh name
DebugMarker::insert(cmdBuffer, "Draw \"" + mesh.name + "\"", glm::vec4(0.0f));
vkCmdDrawIndexed(cmdBuffer, mesh.indexCount, 1, mesh.indexStart, 0, 0);
}
}
};
class VulkanExample : public VulkanExampleBase
{
public:
bool wireframe = true;
bool glow = true;
struct {
VkPipelineVertexInputStateCreateInfo inputState;
std::vector<VkVertexInputBindingDescription> bindingDescriptions;
std::vector<VkVertexInputAttributeDescription> attributeDescriptions;
} vertices;
Scene scene, sceneGlow;
struct {
vkTools::UniformData vsScene;
} uniformData;
struct {
glm::mat4 projection;
glm::mat4 model;
glm::vec4 lightPos = glm::vec4(0.0f, 5.0f, 15.0f, 1.0f);
} uboVS;
struct {
VkPipeline toonshading;
VkPipeline color;
VkPipeline wireframe;
VkPipeline postprocess;
} pipelines;
VkPipelineLayout pipelineLayout;
VkDescriptorSetLayout descriptorSetLayout;
struct {
VkDescriptorSet scene;
VkDescriptorSet fullscreen;
} descriptorSets;
// Framebuffer for offscreen rendering
struct FrameBufferAttachment {
VkImage image;
VkDeviceMemory mem;
VkImageView view;
};
struct FrameBuffer {
int32_t width, height;
VkFramebuffer frameBuffer;
FrameBufferAttachment color, depth;
vkTools::VulkanTexture textureTarget;
} offScreenFrameBuf;
VkCommandBuffer offScreenCmdBuffer = VK_NULL_HANDLE;
// Random tag data
struct {
const char name[17] = "debug marker tag";
} demoTag;
VulkanExample() : VulkanExampleBase(ENABLE_VALIDATION)
{
zoom = -8.5f;
zoomSpeed = 2.5f;
rotationSpeed = 0.5f;
rotation = { -4.35f, 16.25f, 0.0f };
cameraPos = { 0.1f, 1.1f, 0.0f };
enableTextOverlay = true;
title = "Vulkan Example - VK_EXT_debug_marker";
}
~VulkanExample()
{
// Clean up used Vulkan resources
// Note : Inherited destructor cleans up resources stored in base class
vkDestroyPipeline(device, pipelines.toonshading, nullptr);
vkDestroyPipeline(device, pipelines.color, nullptr);
vkDestroyPipeline(device, pipelines.wireframe, nullptr);
vkDestroyPipeline(device, pipelines.postprocess, nullptr);
vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
vkDestroyDescriptorSetLayout(device, descriptorSetLayout, nullptr);
// Destroy and free mesh resources
vkDestroyBuffer(device, scene.vertices.buf, nullptr);
vkFreeMemory(device, scene.vertices.mem, nullptr);
vkDestroyBuffer(device, scene.indices.buf, nullptr);
vkFreeMemory(device, scene.indices.mem, nullptr);
vkDestroyBuffer(device, sceneGlow.vertices.buf, nullptr);
vkFreeMemory(device, sceneGlow.vertices.mem, nullptr);
vkDestroyBuffer(device, sceneGlow.indices.buf, nullptr);
vkFreeMemory(device, sceneGlow.indices.mem, nullptr);
vkTools::destroyUniformData(device, &uniformData.vsScene);
// Offscreen
// Texture target
textureLoader->destroyTexture(offScreenFrameBuf.textureTarget);
// Frame buffer
// Color attachment
vkDestroyImageView(device, offScreenFrameBuf.color.view, nullptr);
vkDestroyImage(device, offScreenFrameBuf.color.image, nullptr);
vkFreeMemory(device, offScreenFrameBuf.color.mem, nullptr);
// Depth attachment
vkDestroyImageView(device, offScreenFrameBuf.depth.view, nullptr);
vkDestroyImage(device, offScreenFrameBuf.depth.image, nullptr);
vkFreeMemory(device, offScreenFrameBuf.depth.mem, nullptr);
vkDestroyFramebuffer(device, offScreenFrameBuf.frameBuffer, nullptr);
}
// Prepare a texture target and framebuffer for offscreen rendering
void prepareOffscreen()
{
VkCommandBuffer cmdBuffer = VulkanExampleBase::createCommandBuffer(VK_COMMAND_BUFFER_LEVEL_PRIMARY, true);
VkFormatProperties formatProperties;
// Get device properites for the requested texture format
vkGetPhysicalDeviceFormatProperties(physicalDevice, OFFSCREEN_FORMAT, &formatProperties);
// Check if blit destination is supported for the requested format
// Only try for optimal tiling, linear tiling usually won't support blit as destination anyway
assert(formatProperties.optimalTilingFeatures & VK_FORMAT_FEATURE_BLIT_DST_BIT);
// Texture target
vkTools::VulkanTexture *tex = &offScreenFrameBuf.textureTarget;
// Prepare blit target texture
tex->width = OFFSCREEN_DIM;
tex->height = OFFSCREEN_DIM;
VkImageCreateInfo imageCreateInfo = vkTools::initializers::imageCreateInfo();
imageCreateInfo.imageType = VK_IMAGE_TYPE_2D;
imageCreateInfo.format = OFFSCREEN_FORMAT;
imageCreateInfo.extent = { OFFSCREEN_DIM, OFFSCREEN_DIM, 1 };
imageCreateInfo.mipLevels = 1;
imageCreateInfo.arrayLayers = 1;
imageCreateInfo.samples = VK_SAMPLE_COUNT_1_BIT;
imageCreateInfo.tiling = VK_IMAGE_TILING_OPTIMAL;
imageCreateInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
imageCreateInfo.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
// Texture will be sampled in a shader and is also the blit destination
imageCreateInfo.usage = VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT;
VkMemoryAllocateInfo memAllocInfo = vkTools::initializers::memoryAllocateInfo();
VkMemoryRequirements memReqs;
VK_CHECK_RESULT(vkCreateImage(device, &imageCreateInfo, nullptr, &tex->image));
vkGetImageMemoryRequirements(device, tex->image, &memReqs);
memAllocInfo.allocationSize = memReqs.size;
memAllocInfo.memoryTypeIndex = getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
VK_CHECK_RESULT(vkAllocateMemory(device, &memAllocInfo, nullptr, &(tex->deviceMemory)));
VK_CHECK_RESULT(vkBindImageMemory(device, tex->image, tex->deviceMemory, 0));
// Transform image layout to transfer destination
tex->imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
vkTools::setImageLayout(
cmdBuffer,
tex->image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_UNDEFINED,
tex->imageLayout);
// Create sampler
VkSamplerCreateInfo sampler = vkTools::initializers::samplerCreateInfo();
sampler.magFilter = OFFSCREEN_FILTER;
sampler.minFilter = OFFSCREEN_FILTER;
sampler.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR;
sampler.addressModeU = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE;
sampler.addressModeV = sampler.addressModeU;
sampler.addressModeW = sampler.addressModeU;
sampler.mipLodBias = 0.0f;
sampler.maxAnisotropy = 0;
sampler.compareOp = VK_COMPARE_OP_NEVER;
sampler.minLod = 0.0f;
sampler.maxLod = 0.0f;
sampler.borderColor = VK_BORDER_COLOR_FLOAT_OPAQUE_WHITE;
VK_CHECK_RESULT(vkCreateSampler(device, &sampler, nullptr, &tex->sampler));
// Create image view
VkImageViewCreateInfo view = vkTools::initializers::imageViewCreateInfo();
view.image = VK_NULL_HANDLE;
view.viewType = VK_IMAGE_VIEW_TYPE_2D;
view.format = OFFSCREEN_FORMAT;
view.components = { VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_G, VK_COMPONENT_SWIZZLE_B, VK_COMPONENT_SWIZZLE_A };
view.subresourceRange = { VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 };
view.image = tex->image;
VK_CHECK_RESULT(vkCreateImageView(device, &view, nullptr, &tex->view));
// Name for debugging
DebugMarker::setObjectName(device, (uint64_t)tex->image, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT, "Off-screen texture target image");
DebugMarker::setObjectName(device, (uint64_t)tex->sampler, VK_DEBUG_REPORT_OBJECT_TYPE_SAMPLER_EXT, "Off-screen texture target sampler");
// Frame buffer
offScreenFrameBuf.width = OFFSCREEN_DIM;
offScreenFrameBuf.height = OFFSCREEN_DIM;
// Find a suitable depth format
VkFormat fbDepthFormat;
VkBool32 validDepthFormat = vkTools::getSupportedDepthFormat(physicalDevice, &fbDepthFormat);
assert(validDepthFormat);
// Color attachment
VkImageCreateInfo image = vkTools::initializers::imageCreateInfo();
image.imageType = VK_IMAGE_TYPE_2D;
image.format = OFFSCREEN_FORMAT;
image.extent.width = offScreenFrameBuf.width;
image.extent.height = offScreenFrameBuf.height;
image.extent.depth = 1;
image.mipLevels = 1;
image.arrayLayers = 1;
image.samples = VK_SAMPLE_COUNT_1_BIT;
image.tiling = VK_IMAGE_TILING_OPTIMAL;
// Image of the framebuffer is blit source
image.usage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
image.flags = 0;
VkImageViewCreateInfo colorImageView = vkTools::initializers::imageViewCreateInfo();
colorImageView.viewType = VK_IMAGE_VIEW_TYPE_2D;
colorImageView.format = OFFSCREEN_FORMAT;
colorImageView.flags = 0;
colorImageView.subresourceRange = {};
colorImageView.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
colorImageView.subresourceRange.baseMipLevel = 0;
colorImageView.subresourceRange.levelCount = 1;
colorImageView.subresourceRange.baseArrayLayer = 0;
colorImageView.subresourceRange.layerCount = 1;
VK_CHECK_RESULT(vkCreateImage(device, &image, nullptr, &offScreenFrameBuf.color.image));
vkGetImageMemoryRequirements(device, offScreenFrameBuf.color.image, &memReqs);
memAllocInfo.allocationSize = memReqs.size;
memAllocInfo.memoryTypeIndex = getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
VK_CHECK_RESULT(vkAllocateMemory(device, &memAllocInfo, nullptr, &offScreenFrameBuf.color.mem));
VK_CHECK_RESULT(vkBindImageMemory(device, offScreenFrameBuf.color.image, offScreenFrameBuf.color.mem, 0));
vkTools::setImageLayout(
cmdBuffer,
offScreenFrameBuf.color.image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_UNDEFINED,
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL);
colorImageView.image = offScreenFrameBuf.color.image;
VK_CHECK_RESULT(vkCreateImageView(device, &colorImageView, nullptr, &offScreenFrameBuf.color.view));
// Depth stencil attachment
image.format = fbDepthFormat;
image.usage = VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT;
VkImageViewCreateInfo depthStencilView = vkTools::initializers::imageViewCreateInfo();
depthStencilView.viewType = VK_IMAGE_VIEW_TYPE_2D;
depthStencilView.format = fbDepthFormat;
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;
VK_CHECK_RESULT(vkCreateImage(device, &image, nullptr, &offScreenFrameBuf.depth.image));
vkGetImageMemoryRequirements(device, offScreenFrameBuf.depth.image, &memReqs);
memAllocInfo.allocationSize = memReqs.size;
memAllocInfo.memoryTypeIndex = getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
VK_CHECK_RESULT(vkAllocateMemory(device, &memAllocInfo, nullptr, &offScreenFrameBuf.depth.mem));
VK_CHECK_RESULT(vkBindImageMemory(device, offScreenFrameBuf.depth.image, offScreenFrameBuf.depth.mem, 0));
vkTools::setImageLayout(
cmdBuffer,
offScreenFrameBuf.depth.image,
VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT,
VK_IMAGE_LAYOUT_UNDEFINED,
VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL);
depthStencilView.image = offScreenFrameBuf.depth.image;
VK_CHECK_RESULT(vkCreateImageView(device, &depthStencilView, nullptr, &offScreenFrameBuf.depth.view));
VkImageView attachments[2];
attachments[0] = offScreenFrameBuf.color.view;
attachments[1] = offScreenFrameBuf.depth.view;
VkFramebufferCreateInfo fbufCreateInfo = vkTools::initializers::framebufferCreateInfo();
fbufCreateInfo.renderPass = renderPass;
fbufCreateInfo.attachmentCount = 2;
fbufCreateInfo.pAttachments = attachments;
fbufCreateInfo.width = offScreenFrameBuf.width;
fbufCreateInfo.height = offScreenFrameBuf.height;
fbufCreateInfo.layers = 1;
VK_CHECK_RESULT(vkCreateFramebuffer(device, &fbufCreateInfo, nullptr, &offScreenFrameBuf.frameBuffer));
VulkanExampleBase::flushCommandBuffer(cmdBuffer, queue, true);
// Command buffer for offscreen rendering
offScreenCmdBuffer = VulkanExampleBase::createCommandBuffer(VK_COMMAND_BUFFER_LEVEL_PRIMARY, false);
// Name for debugging
DebugMarker::setObjectName(device, (uint64_t)offScreenFrameBuf.color.image, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT, "Off-screen color framebuffer");
DebugMarker::setObjectName(device, (uint64_t)offScreenFrameBuf.depth.image, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT, "Off-screen depth framebuffer");
}
// Command buffer for rendering color only scene for glow
void buildOffscreenCommandBuffer()
{
VkCommandBufferBeginInfo cmdBufInfo = vkTools::initializers::commandBufferBeginInfo();
VkClearValue clearValues[2];
clearValues[0].color = { { 0.0f, 0.0f, 0.0f, 0.0f } };
clearValues[1].depthStencil = { 1.0f, 0 };
VkRenderPassBeginInfo renderPassBeginInfo = vkTools::initializers::renderPassBeginInfo();
renderPassBeginInfo.renderPass = renderPass;
renderPassBeginInfo.framebuffer = offScreenFrameBuf.frameBuffer;
renderPassBeginInfo.renderArea.extent.width = offScreenFrameBuf.width;
renderPassBeginInfo.renderArea.extent.height = offScreenFrameBuf.height;
renderPassBeginInfo.clearValueCount = 2;
renderPassBeginInfo.pClearValues = clearValues;
VK_CHECK_RESULT(vkBeginCommandBuffer(offScreenCmdBuffer, &cmdBufInfo));
// Start a new debug marker region
DebugMarker::beginRegion(offScreenCmdBuffer, "Off-screen scene rendering", glm::vec4(1.0f, 0.78f, 0.05f, 1.0f));
VkViewport viewport = vkTools::initializers::viewport((float)offScreenFrameBuf.width, (float)offScreenFrameBuf.height, 0.0f, 1.0f);
vkCmdSetViewport(offScreenCmdBuffer, 0, 1, &viewport);
VkRect2D scissor = vkTools::initializers::rect2D(offScreenFrameBuf.width, offScreenFrameBuf.height, 0, 0);
vkCmdSetScissor(offScreenCmdBuffer, 0, 1, &scissor);
vkCmdBeginRenderPass(offScreenCmdBuffer, &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
vkCmdBindDescriptorSets(offScreenCmdBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &descriptorSets.scene, 0, NULL);
vkCmdBindPipeline(offScreenCmdBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.color);
// Draw glow scene
sceneGlow.draw(offScreenCmdBuffer);
vkCmdEndRenderPass(offScreenCmdBuffer);
// Make sure color writes to the framebuffer are finished before using it as transfer source
vkTools::setImageLayout(
offScreenCmdBuffer,
offScreenFrameBuf.color.image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
// Transform texture target to transfer destination
vkTools::setImageLayout(
offScreenCmdBuffer,
offScreenFrameBuf.textureTarget.image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
// Blit offscreen color buffer to our texture target
VkImageBlit imgBlit;
imgBlit.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
imgBlit.srcSubresource.mipLevel = 0;
imgBlit.srcSubresource.baseArrayLayer = 0;
imgBlit.srcSubresource.layerCount = 1;
imgBlit.srcOffsets[0] = { 0, 0, 0 };
imgBlit.srcOffsets[1].x = offScreenFrameBuf.width;
imgBlit.srcOffsets[1].y = offScreenFrameBuf.height;
imgBlit.srcOffsets[1].z = 1;
imgBlit.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
imgBlit.dstSubresource.mipLevel = 0;
imgBlit.dstSubresource.baseArrayLayer = 0;
imgBlit.dstSubresource.layerCount = 1;
imgBlit.dstOffsets[0] = { 0, 0, 0 };
imgBlit.dstOffsets[1].x = offScreenFrameBuf.textureTarget.width;
imgBlit.dstOffsets[1].y = offScreenFrameBuf.textureTarget.height;
imgBlit.dstOffsets[1].z = 1;
// Blit from framebuffer image to texture image
// vkCmdBlitImage does scaling and (if necessary and possible) also does format conversions
vkCmdBlitImage(
offScreenCmdBuffer,
offScreenFrameBuf.color.image,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
offScreenFrameBuf.textureTarget.image,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
1,
&imgBlit,
VK_FILTER_LINEAR
);
// Transform framebuffer color attachment back
vkTools::setImageLayout(
offScreenCmdBuffer,
offScreenFrameBuf.color.image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL);
// Transform texture target back to shader read
// Makes sure that writes to the texture are finished before
// it's accessed in the shader
vkTools::setImageLayout(
offScreenCmdBuffer,
offScreenFrameBuf.textureTarget.image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
DebugMarker::endRegion(offScreenCmdBuffer);
VK_CHECK_RESULT(vkEndCommandBuffer(offScreenCmdBuffer));
}
// Load a model file as separate meshes into a scene
void loadModel(std::string filename, Scene *scene)
{
VulkanMeshLoader *meshLoader = new VulkanMeshLoader();
#if defined(__ANDROID__)
meshLoader->assetManager = androidApp->activity->assetManager;
#endif
meshLoader->LoadMesh(filename);
scene->meshes.resize(meshLoader->m_Entries.size());
// Generate vertex buffer
float scale = 1.0f;
std::vector<Vertex> vertexBuffer;
// Iterate through all meshes in the file
// and extract the vertex information used in this demo
for (uint32_t m = 0; m < meshLoader->m_Entries.size(); m++)
{
for (uint32_t i = 0; i < meshLoader->m_Entries[m].Vertices.size(); i++)
{
Vertex vertex;
vertex.pos = meshLoader->m_Entries[m].Vertices[i].m_pos * scale;
vertex.normal = meshLoader->m_Entries[m].Vertices[i].m_normal;
vertex.uv = meshLoader->m_Entries[m].Vertices[i].m_tex;
vertex.color = meshLoader->m_Entries[m].Vertices[i].m_color;
vertexBuffer.push_back(vertex);
}
}
uint32_t vertexBufferSize = vertexBuffer.size() * sizeof(Vertex);
// Generate index buffer from loaded mesh file
std::vector<uint32_t> indexBuffer;
for (uint32_t m = 0; m < meshLoader->m_Entries.size(); m++)
{
uint32_t indexBase = indexBuffer.size();
for (uint32_t i = 0; i < meshLoader->m_Entries[m].Indices.size(); i++)
{
indexBuffer.push_back(meshLoader->m_Entries[m].Indices[i] + indexBase);
}
scene->meshes[m].indexStart = indexBase;
scene->meshes[m].indexCount = meshLoader->m_Entries[m].Indices.size();
}
uint32_t indexBufferSize = indexBuffer.size() * sizeof(uint32_t);
// Static mesh should always be device local
bool useStaging = true;
if (useStaging)
{
struct {
VkBuffer buffer;
VkDeviceMemory memory;
} vertexStaging, indexStaging;
// Create staging buffers
// Vertex data
createBuffer(
VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT,
vertexBufferSize,
vertexBuffer.data(),
&vertexStaging.buffer,
&vertexStaging.memory);
// Index data
createBuffer(
VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT,
indexBufferSize,
indexBuffer.data(),
&indexStaging.buffer,
&indexStaging.memory);
// Create device local buffers
// Vertex buffer
createBuffer(
VK_BUFFER_USAGE_VERTEX_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT,
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT,
vertexBufferSize,
nullptr,
&scene->vertices.buf,
&scene->vertices.mem);
// Index buffer
createBuffer(
VK_BUFFER_USAGE_INDEX_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT,
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT,
indexBufferSize,
nullptr,
&scene->indices.buf,
&scene->indices.mem);
// Copy from staging buffers
VkCommandBuffer copyCmd = VulkanExampleBase::createCommandBuffer(VK_COMMAND_BUFFER_LEVEL_PRIMARY, true);
VkBufferCopy copyRegion = {};
copyRegion.size = vertexBufferSize;
vkCmdCopyBuffer(
copyCmd,
vertexStaging.buffer,
scene->vertices.buf,
1,
&copyRegion);
copyRegion.size = indexBufferSize;
vkCmdCopyBuffer(
copyCmd,
indexStaging.buffer,
scene->indices.buf,
1,
&copyRegion);
VulkanExampleBase::flushCommandBuffer(copyCmd, queue, true);
vkDestroyBuffer(device, vertexStaging.buffer, nullptr);
vkFreeMemory(device, vertexStaging.memory, nullptr);
vkDestroyBuffer(device, indexStaging.buffer, nullptr);
vkFreeMemory(device, indexStaging.memory, nullptr);
}
else
{
// Vertex buffer
createBuffer(
VK_BUFFER_USAGE_VERTEX_BUFFER_BIT,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT,
vertexBufferSize,
vertexBuffer.data(),
&scene->vertices.buf,
&scene->vertices.mem);
// Index buffer
createBuffer(
VK_BUFFER_USAGE_INDEX_BUFFER_BIT,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT,
indexBufferSize,
indexBuffer.data(),
&scene->indices.buf,
&scene->indices.mem);
}
delete(meshLoader);
}
void loadScene()
{
loadModel(getAssetPath() + "models/treasure_smooth.dae", &scene);
loadModel(getAssetPath() + "models/treasure_glow.dae", &sceneGlow);
// Name the meshes
// ASSIMP does not load mesh names from the COLLADA file used in this example
// so we need to set them manually
// These names are used in command buffer creation for setting debug markers
// Scene
std::vector<std::string> names = { "hill", "rocks", "cave", "tree", "mushroom stems", "blue mushroom caps", "red mushroom caps", "grass blades", "chest box", "chest fittings" };
for (size_t i = 0; i < names.size(); i++)
{
scene.meshes[i].name = names[i];
sceneGlow.meshes[i].name = names[i];
}
// Name the buffers for debugging
// Scene
DebugMarker::setObjectName(device, (uint64_t)scene.vertices.buf, VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT, "Scene vertex buffer");
DebugMarker::setObjectName(device, (uint64_t)scene.indices.buf, VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT, "Scene index buffer");
// Glow
DebugMarker::setObjectName(device, (uint64_t)sceneGlow.vertices.buf, VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT, "Glow vertex buffer");
DebugMarker::setObjectName(device, (uint64_t)sceneGlow.indices.buf, VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT, "Glow index buffer");
}
void reBuildCommandBuffers()
{
if (!checkCommandBuffers())
{
destroyCommandBuffers();
createCommandBuffers();
}
buildCommandBuffers();
}
void buildCommandBuffers()
{
VkCommandBufferBeginInfo cmdBufInfo = vkTools::initializers::commandBufferBeginInfo();
VkClearValue clearValues[2];
clearValues[0].color = defaultClearColor;
clearValues[1].depthStencil = { 1.0f, 0 };
VkRenderPassBeginInfo renderPassBeginInfo = vkTools::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)
{
// Set target frame buffer
renderPassBeginInfo.framebuffer = frameBuffers[i];
VK_CHECK_RESULT(vkBeginCommandBuffer(drawCmdBuffers[i], &cmdBufInfo));
// Start a new debug marker region
DebugMarker::beginRegion(drawCmdBuffers[i], "Render scene", glm::vec4(0.5f, 0.76f, 0.34f, 1.0f));
vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
VkViewport viewport = vkTools::initializers::viewport((float)width, (float)height, 0.0f, 1.0f);
vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
VkRect2D scissor = vkTools::initializers::rect2D(wireframe ? width / 2 : width, height, 0, 0);
vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &descriptorSets.scene, 0, NULL);
// Solid rendering
// Start a new debug marker region
DebugMarker::beginRegion(drawCmdBuffers[i], "Toon shading draw", glm::vec4(0.78f, 0.74f, 0.9f, 1.0f));
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.toonshading);
scene.draw(drawCmdBuffers[i]);
DebugMarker::endRegion(drawCmdBuffers[i]);
// Wireframe rendering
if (wireframe)
{
// Insert debug marker
DebugMarker::beginRegion(drawCmdBuffers[i], "Wireframe draw", glm::vec4(0.53f, 0.78f, 0.91f, 1.0f));
scissor.offset.x = width / 2;
vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.wireframe);
scene.draw(drawCmdBuffers[i]);
DebugMarker::endRegion(drawCmdBuffers[i]);
scissor.offset.x = 0;
scissor.extent.width = width;
vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
}
// Post processing
if (glow)
{
DebugMarker::beginRegion(drawCmdBuffers[i], "Apply post processing", glm::vec4(0.93f, 0.89f, 0.69f, 1.0f));
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.postprocess);
// Full screen quad is generated by the vertex shaders, so we reuse four vertices (for four invocations) from current vertex buffer
vkCmdDraw(drawCmdBuffers[i], 4, 1, 0, 0);
DebugMarker::endRegion(drawCmdBuffers[i]);
}
vkCmdEndRenderPass(drawCmdBuffers[i]);
// End current debug marker region
DebugMarker::endRegion(drawCmdBuffers[i]);
VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));
}
}
void setupVertexDescriptions()
{
// Binding description
vertices.bindingDescriptions.resize(1);
vertices.bindingDescriptions[0] =
vkTools::initializers::vertexInputBindingDescription(
VERTEX_BUFFER_BIND_ID,
sizeof(Vertex),
VK_VERTEX_INPUT_RATE_VERTEX);
// Attribute descriptions
// Describes memory layout and shader positions
vertices.attributeDescriptions.resize(4);
// Location 0 : Position
vertices.attributeDescriptions[0] =
vkTools::initializers::vertexInputAttributeDescription(
VERTEX_BUFFER_BIND_ID,
0,
VK_FORMAT_R32G32B32_SFLOAT,
0);
// Location 1 : Normal
vertices.attributeDescriptions[1] =
vkTools::initializers::vertexInputAttributeDescription(
VERTEX_BUFFER_BIND_ID,
1,
VK_FORMAT_R32G32B32_SFLOAT,
sizeof(float) * 3);
// Location 2 : Texture coordinates
vertices.attributeDescriptions[2] =
vkTools::initializers::vertexInputAttributeDescription(
VERTEX_BUFFER_BIND_ID,
2,
VK_FORMAT_R32G32_SFLOAT,
sizeof(float) * 6);
// Location 3 : Color
vertices.attributeDescriptions[3] =
vkTools::initializers::vertexInputAttributeDescription(
VERTEX_BUFFER_BIND_ID,
3,
VK_FORMAT_R32G32B32_SFLOAT,
sizeof(float) * 8);
vertices.inputState = vkTools::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 =
{
vkTools::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1),
vkTools::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1),
};
VkDescriptorPoolCreateInfo descriptorPoolInfo =
vkTools::initializers::descriptorPoolCreateInfo(
poolSizes.size(),
poolSizes.data(),
1);
VK_CHECK_RESULT(vkCreateDescriptorPool(device, &descriptorPoolInfo, nullptr, &descriptorPool));
}
void setupDescriptorSetLayout()
{
std::vector<VkDescriptorSetLayoutBinding> setLayoutBindings =
{
// Binding 0 : Vertex shader uniform buffer
vkTools::initializers::descriptorSetLayoutBinding(
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
VK_SHADER_STAGE_VERTEX_BIT,
0),
// Binding 1 : Fragment shader combined sampler
vkTools::initializers::descriptorSetLayoutBinding(
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
VK_SHADER_STAGE_FRAGMENT_BIT,
1),
};
VkDescriptorSetLayoutCreateInfo descriptorLayout =
vkTools::initializers::descriptorSetLayoutCreateInfo(
setLayoutBindings.data(),
setLayoutBindings.size());
VK_CHECK_RESULT(vkCreateDescriptorSetLayout(device, &descriptorLayout, nullptr, &descriptorSetLayout));
VkPipelineLayoutCreateInfo pPipelineLayoutCreateInfo =
vkTools::initializers::pipelineLayoutCreateInfo(
&descriptorSetLayout,
1);
VK_CHECK_RESULT(vkCreatePipelineLayout(device, &pPipelineLayoutCreateInfo, nullptr, &pipelineLayout));
// Name for debugging
DebugMarker::setObjectName(device, (uint64_t)pipelineLayout, VK_DEBUG_REPORT_OBJECT_TYPE_PIPELINE_LAYOUT_EXT, "Shared pipeline layout");
DebugMarker::setObjectName(device, (uint64_t)descriptorSetLayout, VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_LAYOUT_EXT, "Shared descriptor set layout");
}
void setupDescriptorSet()
{
VkDescriptorSetAllocateInfo allocInfo =
vkTools::initializers::descriptorSetAllocateInfo(
descriptorPool,
&descriptorSetLayout,
1);
VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocInfo, &descriptorSets.scene));
VkDescriptorImageInfo texDescriptor =
vkTools::initializers::descriptorImageInfo(
offScreenFrameBuf.textureTarget.sampler,
offScreenFrameBuf.textureTarget.view,
VK_IMAGE_LAYOUT_GENERAL);
std::vector<VkWriteDescriptorSet> writeDescriptorSets =
{
// Binding 0 : Vertex shader uniform buffer
vkTools::initializers::writeDescriptorSet(
descriptorSets.scene,
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
0,
&uniformData.vsScene.descriptor),
// Binding 1 : Color map
vkTools::initializers::writeDescriptorSet(
descriptorSets.scene,
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
1,
&texDescriptor)
};
vkUpdateDescriptorSets(device, writeDescriptorSets.size(), writeDescriptorSets.data(), 0, NULL);
}
void preparePipelines()
{
VkPipelineInputAssemblyStateCreateInfo inputAssemblyState =
vkTools::initializers::pipelineInputAssemblyStateCreateInfo(
VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST,
0,
VK_FALSE);
VkPipelineRasterizationStateCreateInfo rasterizationState =
vkTools::initializers::pipelineRasterizationStateCreateInfo(
VK_POLYGON_MODE_FILL,
VK_CULL_MODE_BACK_BIT,
VK_FRONT_FACE_CLOCKWISE,
0);
VkPipelineColorBlendAttachmentState blendAttachmentState =
vkTools::initializers::pipelineColorBlendAttachmentState(
0xf,
VK_FALSE);
VkPipelineColorBlendStateCreateInfo colorBlendState =
vkTools::initializers::pipelineColorBlendStateCreateInfo(
1,
&blendAttachmentState);
VkPipelineDepthStencilStateCreateInfo depthStencilState =
vkTools::initializers::pipelineDepthStencilStateCreateInfo(
VK_TRUE,
VK_TRUE,
VK_COMPARE_OP_LESS_OR_EQUAL);
VkPipelineViewportStateCreateInfo viewportState =
vkTools::initializers::pipelineViewportStateCreateInfo(1, 1, 0);
VkPipelineMultisampleStateCreateInfo multisampleState =
vkTools::initializers::pipelineMultisampleStateCreateInfo(
VK_SAMPLE_COUNT_1_BIT,
0);
std::vector<VkDynamicState> dynamicStateEnables = {
VK_DYNAMIC_STATE_VIEWPORT,
VK_DYNAMIC_STATE_SCISSOR
};
VkPipelineDynamicStateCreateInfo dynamicState =
vkTools::initializers::pipelineDynamicStateCreateInfo(
dynamicStateEnables.data(),
dynamicStateEnables.size(),
0);
// Phong lighting pipeline
// Load shaders
std::array<VkPipelineShaderStageCreateInfo, 2> shaderStages;
shaderStages[0] = loadShader(getAssetPath() + "shaders/debugmarker/toon.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
shaderStages[1] = loadShader(getAssetPath() + "shaders/debugmarker/toon.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
VkGraphicsPipelineCreateInfo pipelineCreateInfo =
vkTools::initializers::pipelineCreateInfo(
pipelineLayout,
renderPass,
0);
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();
VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, nullptr, &pipelines.toonshading));
// Color only pipeline
shaderStages[0] = loadShader(getAssetPath() + "shaders/debugmarker/colorpass.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
shaderStages[1] = loadShader(getAssetPath() + "shaders/debugmarker/colorpass.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, nullptr, &pipelines.color));
// Wire frame rendering pipeline
rasterizationState.polygonMode = VK_POLYGON_MODE_LINE;
rasterizationState.lineWidth = 1.0f;
VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, nullptr, &pipelines.wireframe));
// Post processing effect
shaderStages[0] = loadShader(getAssetPath() + "shaders/debugmarker/postprocess.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
shaderStages[1] = loadShader(getAssetPath() + "shaders/debugmarker/postprocess.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
depthStencilState.depthTestEnable = VK_FALSE;
depthStencilState.depthWriteEnable = VK_FALSE;
rasterizationState.polygonMode = VK_POLYGON_MODE_FILL;
rasterizationState.cullMode = VK_CULL_MODE_NONE;
blendAttachmentState.colorWriteMask = 0xF;
blendAttachmentState.blendEnable = VK_TRUE;
blendAttachmentState.colorBlendOp = VK_BLEND_OP_ADD;
blendAttachmentState.srcColorBlendFactor = VK_BLEND_FACTOR_ONE;
blendAttachmentState.dstColorBlendFactor = VK_BLEND_FACTOR_ONE;
blendAttachmentState.alphaBlendOp = VK_BLEND_OP_ADD;
blendAttachmentState.srcAlphaBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA;
blendAttachmentState.dstAlphaBlendFactor = VK_BLEND_FACTOR_DST_ALPHA;
VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, nullptr, &pipelines.postprocess));
// Name shader moduels for debugging
// Shader module count starts at 2 when text overlay in base class is enabled
uint32_t moduleIndex = enableTextOverlay ? 2 : 0;
DebugMarker::setObjectName(device, (uint64_t)shaderModules[moduleIndex + 0], VK_DEBUG_REPORT_OBJECT_TYPE_SHADER_MODULE_EXT, "Toon shading vertex shader");
DebugMarker::setObjectName(device, (uint64_t)shaderModules[moduleIndex + 1], VK_DEBUG_REPORT_OBJECT_TYPE_SHADER_MODULE_EXT, "Toon shading fragment shader");
DebugMarker::setObjectName(device, (uint64_t)shaderModules[moduleIndex + 2], VK_DEBUG_REPORT_OBJECT_TYPE_SHADER_MODULE_EXT, "Color-only vertex shader");
DebugMarker::setObjectName(device, (uint64_t)shaderModules[moduleIndex + 3], VK_DEBUG_REPORT_OBJECT_TYPE_SHADER_MODULE_EXT, "Color-only fragment shader");
DebugMarker::setObjectName(device, (uint64_t)shaderModules[moduleIndex + 4], VK_DEBUG_REPORT_OBJECT_TYPE_SHADER_MODULE_EXT, "Postprocess vertex shader");
DebugMarker::setObjectName(device, (uint64_t)shaderModules[moduleIndex + 5], VK_DEBUG_REPORT_OBJECT_TYPE_SHADER_MODULE_EXT, "Postprocess fragment shader");
// Name pipelines for debugging
DebugMarker::setObjectName(device, (uint64_t)pipelines.toonshading, VK_DEBUG_REPORT_OBJECT_TYPE_PIPELINE_EXT, "Toon shading pipeline");
DebugMarker::setObjectName(device, (uint64_t)pipelines.color, VK_DEBUG_REPORT_OBJECT_TYPE_PIPELINE_EXT, "Color only pipeline");
DebugMarker::setObjectName(device, (uint64_t)pipelines.wireframe, VK_DEBUG_REPORT_OBJECT_TYPE_PIPELINE_EXT, "Wireframe rendering pipeline");
DebugMarker::setObjectName(device, (uint64_t)pipelines.postprocess, VK_DEBUG_REPORT_OBJECT_TYPE_PIPELINE_EXT, "Post processing pipeline");
}
// Prepare and initialize uniform buffer containing shader uniforms
void prepareUniformBuffers()
{
// Vertex shader uniform buffer block
createBuffer(
VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
sizeof(uboVS),
&uboVS,
&uniformData.vsScene.buffer,
&uniformData.vsScene.memory,
&uniformData.vsScene.descriptor);
// Name uniform buffer for debugging
DebugMarker::setObjectName(device, (uint64_t)uniformData.vsScene.buffer, VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT, "Scene uniform buffer block");
// Add some random tag
DebugMarker::setObjectTag(device, (uint64_t)uniformData.vsScene.buffer, VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT, 0, sizeof(demoTag), &demoTag);
updateUniformBuffers();
}
void updateUniformBuffers()
{
uboVS.projection = glm::perspective(glm::radians(60.0f), (float)width / (float)height, 0.1f, 256.0f);
glm::mat4 viewMatrix = glm::translate(glm::mat4(), glm::vec3(0.0f, 0.0f, zoom));
uboVS.model = viewMatrix * glm::translate(glm::mat4(), 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));
uint8_t *pData;
VK_CHECK_RESULT(vkMapMemory(device, uniformData.vsScene.memory, 0, sizeof(uboVS), 0, (void **)&pData));
memcpy(pData, &uboVS, sizeof(uboVS));
vkUnmapMemory(device, uniformData.vsScene.memory);
}
void draw()
{
VulkanExampleBase::prepareFrame();
std::vector<VkCommandBuffer> submitCmdBuffers;
// Submit offscreen rendering command buffer
// todo : use event to ensure that offscreen result is finished bfore render command buffer is started
if (glow)
{
submitCmdBuffers.push_back(offScreenCmdBuffer);
}
submitCmdBuffers.push_back(drawCmdBuffers[currentBuffer]);
submitInfo.commandBufferCount = submitCmdBuffers.size();
submitInfo.pCommandBuffers = submitCmdBuffers.data();
VK_CHECK_RESULT(vkQueueSubmit(queue, 1, &submitInfo, VK_NULL_HANDLE));
VulkanExampleBase::submitFrame();
}
void prepare()
{
VulkanExampleBase::prepare();
DebugMarker::setup(device);
loadScene();
prepareOffscreen();
setupVertexDescriptions();
prepareUniformBuffers();
setupDescriptorSetLayout();
preparePipelines();
setupDescriptorPool();
setupDescriptorSet();
buildCommandBuffers();
buildOffscreenCommandBuffer();
updateTextOverlay();
prepared = true;
}
virtual void render()
{
if (!prepared)
return;
draw();
}
virtual void viewChanged()
{
updateUniformBuffers();
}
virtual void keyPressed(uint32_t keyCode)
{
switch (keyCode)
{
case 0x57:
case GAMEPAD_BUTTON_X:
wireframe = !wireframe;
reBuildCommandBuffers();
break;
case 0x47:
case GAMEPAD_BUTTON_A:
glow = !glow;
reBuildCommandBuffers();
break;
}
}
virtual void getOverlayText(VulkanTextOverlay *textOverlay)
{
if (DebugMarker::active)
{
textOverlay->addText("VK_EXT_debug_marker active", 5.0f, 85.0f, VulkanTextOverlay::alignLeft);
}
else
{
textOverlay->addText("VK_EXT_debug_marker not present", 5.0f, 85.0f, VulkanTextOverlay::alignLeft);
}
}
};
VulkanExample *vulkanExample;
#if defined(_WIN32)
LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
if (vulkanExample != NULL)
{
vulkanExample->handleMessages(hWnd, uMsg, wParam, lParam);
}
return (DefWindowProc(hWnd, uMsg, wParam, lParam));
}
#elif defined(__linux__) && !defined(__ANDROID__)
static void handleEvent(const xcb_generic_event_t *event)
{
if (vulkanExample != NULL)
{
vulkanExample->handleEvent(event);
}
}
#endif
// Main entry point
#if defined(_WIN32)
// Windows entry point
int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR pCmdLine, int nCmdShow)
#elif defined(__ANDROID__)
// Android entry point
void android_main(android_app* state)
#elif defined(__linux__)
// Linux entry point
int main(const int argc, const char *argv[])
#endif
{
#if defined(__ANDROID__)
// Removing this may cause the compiler to omit the main entry point
// which would make the application crash at start
app_dummy();
#endif
vulkanExample = new VulkanExample();
#if defined(_WIN32)
vulkanExample->setupWindow(hInstance, WndProc);
#elif defined(__ANDROID__)
// Attach vulkan example to global android application state
state->userData = vulkanExample;
state->onAppCmd = VulkanExample::handleAppCommand;
state->onInputEvent = VulkanExample::handleAppInput;
vulkanExample->androidApp = state;
#elif defined(__linux__)
vulkanExample->setupWindow();
#endif
#if !defined(__ANDROID__)
vulkanExample->initSwapchain();
vulkanExample->prepare();
#endif
vulkanExample->renderLoop();
delete(vulkanExample);
#if !defined(__ANDROID__)
return 0;
#endif
}
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