Added Vulkan examples sources!
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saschawillems
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868 changed files with 514080 additions and 5584 deletions
847
distancefieldfonts/distancefieldfonts.cpp
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847
distancefieldfonts/distancefieldfonts.cpp
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/*
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* Vulkan Example - Font rendering using signed distance fields
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*
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* Font generated using https://github.com/libgdx/libgdx/wiki/Hiero
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*
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* Copyright (C) 2016 by Sascha Willems - www.saschawillems.de
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*
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* This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sstream>
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#include <assert.h>
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#include <vector>
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#include <array>
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#define GLM_FORCE_RADIANS
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#include <glm/glm.hpp>
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#include <glm/gtc/matrix_transform.hpp>
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#include <vulkan/vulkan.h>
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#include "vulkanexamplebase.h"
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#define VERTEX_BUFFER_BIND_ID 0
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//#define USE_GLSL
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#define ENABLE_VALIDATION false
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// Vertex layout for this example
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struct Vertex {
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float pos[3];
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float uv[2];
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};
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// AngelCode .fnt format structs and classes
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struct bmchar {
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uint32_t x, y;
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uint32_t width;
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uint32_t height;
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int32_t xoffset;
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int32_t yoffset;
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int32_t xadvance;
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uint32_t page;
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};
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// Quick and dirty : complete ASCII table
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// Only chars present in the .fnt are filled with data!
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std::array<bmchar, 255> fontChars;
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int32_t nextValuePair(std::stringstream *stream)
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{
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std::string pair;
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*stream >> pair;
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uint32_t spos = pair.find("=");
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std::string value = pair.substr(spos + 1);
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int32_t val = std::stoi(value);
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return val;
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}
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void parsebmFont()
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{
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const char *filename = "../data/font.fnt";
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std::ifstream fstream(filename);
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assert(fstream.good());
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// todo : from texture
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const uint32_t texdim = 512;
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while (!fstream.eof())
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{
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std::string line;
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std::stringstream lineStream;
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std::getline(fstream, line);
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lineStream << line;
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std::string info;
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lineStream >> info;
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if (info == "char")
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{
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std::string pair;
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// char id
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uint32_t charid = nextValuePair(&lineStream);
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// Char properties
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fontChars[charid].x = nextValuePair(&lineStream);
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fontChars[charid].y = nextValuePair(&lineStream);
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fontChars[charid].width = nextValuePair(&lineStream);
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fontChars[charid].height = nextValuePair(&lineStream);
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fontChars[charid].xoffset = nextValuePair(&lineStream);
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fontChars[charid].yoffset = nextValuePair(&lineStream);
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fontChars[charid].xadvance = nextValuePair(&lineStream);
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fontChars[charid].page = nextValuePair(&lineStream);
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}
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}
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}
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class VulkanExample : public VulkanExampleBase
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{
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public:
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bool splitScreen = true;
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struct {
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vkTools::VulkanTexture fontSDF;
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vkTools::VulkanTexture fontBitmap;
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} textures;
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struct {
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VkBuffer buf;
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VkDeviceMemory mem;
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VkPipelineVertexInputStateCreateInfo inputState;
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std::vector<VkVertexInputBindingDescription> bindingDescriptions;
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std::vector<VkVertexInputAttributeDescription> attributeDescriptions;
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} vertices;
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struct {
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int count;
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VkBuffer buf;
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VkDeviceMemory mem;
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} indices;
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struct {
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vkTools::UniformData vs;
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vkTools::UniformData fs;
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} uniformData;
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struct {
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glm::mat4 projection;
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glm::mat4 model;
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} uboVS;
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struct {
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glm::vec4 outlineColor = glm::vec4(1.0f, 0.0f, 0.0f, 0.0f);
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float outlineWidth = 0.6f;
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float outline = true;
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} uboFS;
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struct {
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VkPipeline sdf;
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VkPipeline bitmap;
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} pipelines;
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struct {
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VkDescriptorSet sdf;
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VkDescriptorSet bitmap;
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} descriptorSets;
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VkPipelineLayout pipelineLayout;
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VkDescriptorSetLayout descriptorSetLayout;
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VulkanExample() : VulkanExampleBase(ENABLE_VALIDATION)
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{
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zoom = -1.0f;
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rotation = { 0.0f, 0.0f, 0.0f };
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title = "Vulkan Example - Distance field fonts";
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}
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~VulkanExample()
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{
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// Clean up used Vulkan resources
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// Note : Inherited destructor cleans up resources stored in base class
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// Clean up texture resources
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textureLoader->destroyTexture(textures.fontSDF);
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textureLoader->destroyTexture(textures.fontBitmap);
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vkDestroyPipeline(device, pipelines.sdf, nullptr);
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vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
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vkDestroyDescriptorSetLayout(device, descriptorSetLayout, nullptr);
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vkDestroyBuffer(device, vertices.buf, nullptr);
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vkFreeMemory(device, vertices.mem, nullptr);
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vkDestroyBuffer(device, indices.buf, nullptr);
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vkFreeMemory(device, indices.mem, nullptr);
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vkDestroyBuffer(device, uniformData.vs.buffer, nullptr);
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vkFreeMemory(device, uniformData.vs.memory, nullptr);
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}
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void loadTextures()
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{
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textureLoader->loadTexture(
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"./../data/textures/font_sdf_rgba.ktx",
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VK_FORMAT_R8G8B8A8_UNORM,
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&textures.fontSDF);
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textureLoader->loadTexture(
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"./../data/textures/font_bitmap_rgba.ktx",
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VK_FORMAT_R8G8B8A8_UNORM,
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&textures.fontBitmap);
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}
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void reBuildCommandBuffers()
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{
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if (!checkCommandBuffers())
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{
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destroyCommandBuffers();
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createCommandBuffers();
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}
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buildCommandBuffers();
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}
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void buildCommandBuffers()
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{
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VkCommandBufferBeginInfo cmdBufInfo = vkTools::initializers::commandBufferBeginInfo();
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VkClearValue clearValues[2];
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clearValues[0].color = defaultClearColor;
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clearValues[1].depthStencil = { 1.0f, 0 };
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VkRenderPassBeginInfo renderPassBeginInfo = vkTools::initializers::renderPassBeginInfo();
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renderPassBeginInfo.renderPass = renderPass;
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renderPassBeginInfo.renderArea.offset.x = 0;
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renderPassBeginInfo.renderArea.offset.y = 0;
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renderPassBeginInfo.renderArea.extent.width = width;
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renderPassBeginInfo.renderArea.extent.height = height;
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renderPassBeginInfo.clearValueCount = 2;
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renderPassBeginInfo.pClearValues = clearValues;
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VkResult err;
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for (int32_t i = 0; i < drawCmdBuffers.size(); ++i)
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{
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// Set target frame buffer
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renderPassBeginInfo.framebuffer = frameBuffers[i];
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err = vkBeginCommandBuffer(drawCmdBuffers[i], &cmdBufInfo);
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assert(!err);
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vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
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VkViewport viewport = vkTools::initializers::viewport(
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(float)width,
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(splitScreen) ? (float)height / 2.0f : (float)height,
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0.0f,
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1.0f);
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vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
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VkRect2D scissor = vkTools::initializers::rect2D(
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width,
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height,
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0,
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0);
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vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
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VkDeviceSize offsets[1] = { 0 };
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// Signed distance field font
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vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &descriptorSets.sdf, 0, NULL);
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vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.sdf);
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vkCmdBindVertexBuffers(drawCmdBuffers[i], VERTEX_BUFFER_BIND_ID, 1, &vertices.buf, offsets);
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vkCmdBindIndexBuffer(drawCmdBuffers[i], indices.buf, 0, VK_INDEX_TYPE_UINT32);
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vkCmdDrawIndexed(drawCmdBuffers[i], indices.count, 1, 0, 0, 0);
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// Linear filtered bitmap font
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if (splitScreen)
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{
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viewport.y = (float)height / 2.0f;
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// viewport.x = (float)width / 2.0f;
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vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
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vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &descriptorSets.bitmap, 0, NULL);
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vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.bitmap);
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vkCmdBindVertexBuffers(drawCmdBuffers[i], VERTEX_BUFFER_BIND_ID, 1, &vertices.buf, offsets);
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vkCmdBindIndexBuffer(drawCmdBuffers[i], indices.buf, 0, VK_INDEX_TYPE_UINT32);
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vkCmdDrawIndexed(drawCmdBuffers[i], indices.count, 1, 0, 0, 0);
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}
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vkCmdEndRenderPass(drawCmdBuffers[i]);
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VkImageMemoryBarrier prePresentBarrier = vkTools::prePresentBarrier(swapChain.buffers[i].image);
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vkCmdPipelineBarrier(
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drawCmdBuffers[i],
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VK_PIPELINE_STAGE_ALL_COMMANDS_BIT,
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VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
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VK_FLAGS_NONE,
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0, nullptr,
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0, nullptr,
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1, &prePresentBarrier);
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err = vkEndCommandBuffer(drawCmdBuffers[i]);
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assert(!err);
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}
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}
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void draw()
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{
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VkResult err;
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VkSemaphore presentCompleteSemaphore;
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VkSemaphoreCreateInfo presentCompleteSemaphoreCreateInfo =
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vkTools::initializers::semaphoreCreateInfo(VK_FENCE_CREATE_SIGNALED_BIT);
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err = vkCreateSemaphore(device, &presentCompleteSemaphoreCreateInfo, nullptr, &presentCompleteSemaphore);
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assert(!err);
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// Get next image in the swap chain (back/front buffer)
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err = swapChain.acquireNextImage(presentCompleteSemaphore, ¤tBuffer);
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assert(!err);
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VkSubmitInfo submitInfo = vkTools::initializers::submitInfo();
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submitInfo.waitSemaphoreCount = 1;
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submitInfo.pWaitSemaphores = &presentCompleteSemaphore;
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submitInfo.commandBufferCount = 1;
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submitInfo.pCommandBuffers = &drawCmdBuffers[currentBuffer];
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// Submit draw command buffer
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err = vkQueueSubmit(queue, 1, &submitInfo, VK_NULL_HANDLE);
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assert(!err);
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err = swapChain.queuePresent(queue, currentBuffer);
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assert(!err);
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vkDestroySemaphore(device, presentCompleteSemaphore, nullptr);
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submitPostPresentBarrier(swapChain.buffers[currentBuffer].image);
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err = vkQueueWaitIdle(queue);
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assert(!err);
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}
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// todo : function fill buffer with quads from font
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void generateQuad()
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{
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// Setup vertices for a single uv-mapped quad
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/*
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#define dim 1.0f
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std::vector<Vertex> vertexBuffer =
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{
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{ { dim, dim, 0.0f },{ 1.0f, 1.0f } },
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{ { -dim, dim, 0.0f },{ 0.0f, 1.0f } },
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{ { -dim, -dim, 0.0f },{ 0.0f, 0.0f } },
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{ { dim, -dim, 0.0f },{ 1.0f, 0.0f } }
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};
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#undef dim
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*/
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std::vector<Vertex> vertexBuffer;
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std::vector<uint32_t> indexBuffer;
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uint32_t indexOffset = 0;
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std::string text = "Vulkan";
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float w = textures.fontSDF.width;
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float posx = 0.0f;
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float posy = 0.0f;
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for (uint32_t i = 0; i < text.size(); i++)
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{
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bmchar *charInfo = &fontChars[(int)text[i]];
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if (charInfo->width == 0)
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charInfo->width = 36;
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float charw = ((float)(charInfo->width) / 36.0f);
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float dimx = 1.0f * charw;
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float charh = ((float)(charInfo->height) / 36.0f);
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float dimy = 1.0f * charh;
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posy = 1.0f - charh;
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float us = charInfo->x / w;
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float ue = (charInfo->x + charInfo->width) / w;
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float ts = charInfo->y / w;
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float te = (charInfo->y + charInfo->height) / w;
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float xo = charInfo->xoffset / 36.0f;
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float yo = charInfo->yoffset / 36.0f;
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vertexBuffer.push_back({ { posx + dimx + xo, posy + dimy, 0.0f }, { ue, te } });
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vertexBuffer.push_back({ { posx + xo, posy + dimy, 0.0f }, { us, te } });
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vertexBuffer.push_back({ { posx + xo, posy, 0.0f }, { us, ts } });
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vertexBuffer.push_back({ { posx + dimx + xo, posy, 0.0f }, { ue, ts } });
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std::array<uint32_t, 6> indices = { 0,1,2, 2,3,0 };
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for (auto& index : indices)
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{
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indexBuffer.push_back(indexOffset + index);
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}
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indexOffset += 4;
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float advance = ((float)(charInfo->xadvance) / 36.0f);
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posx += advance;
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}
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// Center
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for (auto& v : vertexBuffer)
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{
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v.pos[0] -= posx / 2.0f;
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v.pos[1] -= 0.5f;
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}
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/*
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#define dim 1.0f
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int charId = 'V';
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float w = textures.fontSDF.width;
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float sstart = fontChars[charId].x / w;
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float send = (fontChars[charId].x + fontChars[charId].width) / w;
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float tstart = fontChars[charId].y / w;
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float tend = (fontChars[charId].y + fontChars[charId].height) / w;
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std::vector<Vertex> vertexBuffer =
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{
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{ { dim, dim, 0.0f },{ send, tend } },
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{ { -dim, dim, 0.0f },{ sstart, tend } },
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{ { -dim, -dim, 0.0f },{ sstart, tstart } },
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{ { dim, -dim, 0.0f },{ send, tstart } }
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};
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#undef dim
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*/
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createBuffer(
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VK_BUFFER_USAGE_VERTEX_BUFFER_BIT,
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vertexBuffer.size() * sizeof(Vertex),
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vertexBuffer.data(),
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&vertices.buf,
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&vertices.mem);
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// Setup indices
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// std::vector<uint32_t> indexBuffer = { 0,1,2, 2,3,0 };
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indices.count = indexBuffer.size();
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createBuffer(
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VK_BUFFER_USAGE_INDEX_BUFFER_BIT,
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indexBuffer.size() * sizeof(uint32_t),
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indexBuffer.data(),
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&indices.buf,
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&indices.mem);
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}
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void setupVertexDescriptions()
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{
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// Binding description
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vertices.bindingDescriptions.resize(1);
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vertices.bindingDescriptions[0] =
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vkTools::initializers::vertexInputBindingDescription(
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VERTEX_BUFFER_BIND_ID,
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sizeof(Vertex),
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VK_VERTEX_INPUT_RATE_VERTEX);
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// Attribute descriptions
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// Describes memory layout and shader positions
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vertices.attributeDescriptions.resize(2);
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// Location 0 : Position
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vertices.attributeDescriptions[0] =
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vkTools::initializers::vertexInputAttributeDescription(
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VERTEX_BUFFER_BIND_ID,
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0,
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VK_FORMAT_R32G32B32_SFLOAT,
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0);
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// Location 1 : Texture coordinates
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vertices.attributeDescriptions[1] =
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vkTools::initializers::vertexInputAttributeDescription(
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VERTEX_BUFFER_BIND_ID,
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1,
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VK_FORMAT_R32G32_SFLOAT,
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sizeof(float) * 3);
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vertices.inputState = vkTools::initializers::pipelineVertexInputStateCreateInfo();
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vertices.inputState.vertexBindingDescriptionCount = vertices.bindingDescriptions.size();
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vertices.inputState.pVertexBindingDescriptions = vertices.bindingDescriptions.data();
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vertices.inputState.vertexAttributeDescriptionCount = vertices.attributeDescriptions.size();
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vertices.inputState.pVertexAttributeDescriptions = vertices.attributeDescriptions.data();
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}
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void setupDescriptorPool()
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{
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std::vector<VkDescriptorPoolSize> poolSizes =
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{
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vkTools::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 4),
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vkTools::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 2)
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};
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VkDescriptorPoolCreateInfo descriptorPoolInfo =
|
||||
vkTools::initializers::descriptorPoolCreateInfo(
|
||||
poolSizes.size(),
|
||||
poolSizes.data(),
|
||||
2);
|
||||
|
||||
VkResult vkRes = vkCreateDescriptorPool(device, &descriptorPoolInfo, nullptr, &descriptorPool);
|
||||
assert(!vkRes);
|
||||
}
|
||||
|
||||
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 image sampler
|
||||
vkTools::initializers::descriptorSetLayoutBinding(
|
||||
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
|
||||
VK_SHADER_STAGE_FRAGMENT_BIT,
|
||||
1),
|
||||
// Binding 2 : Fragment shader uniform buffer
|
||||
vkTools::initializers::descriptorSetLayoutBinding(
|
||||
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
|
||||
VK_SHADER_STAGE_FRAGMENT_BIT,
|
||||
2)
|
||||
};
|
||||
|
||||
VkDescriptorSetLayoutCreateInfo descriptorLayout =
|
||||
vkTools::initializers::descriptorSetLayoutCreateInfo(
|
||||
setLayoutBindings.data(),
|
||||
setLayoutBindings.size());
|
||||
|
||||
VkResult err = vkCreateDescriptorSetLayout(device, &descriptorLayout, nullptr, &descriptorSetLayout);
|
||||
assert(!err);
|
||||
|
||||
VkPipelineLayoutCreateInfo pPipelineLayoutCreateInfo =
|
||||
vkTools::initializers::pipelineLayoutCreateInfo(
|
||||
&descriptorSetLayout,
|
||||
1);
|
||||
|
||||
err = vkCreatePipelineLayout(device, &pPipelineLayoutCreateInfo, nullptr, &pipelineLayout);
|
||||
assert(!err);
|
||||
}
|
||||
|
||||
void setupDescriptorSet()
|
||||
{
|
||||
VkDescriptorSetAllocateInfo allocInfo =
|
||||
vkTools::initializers::descriptorSetAllocateInfo(
|
||||
descriptorPool,
|
||||
&descriptorSetLayout,
|
||||
1);
|
||||
|
||||
// Signed distance front descriptor set
|
||||
VkResult vkRes = vkAllocateDescriptorSets(device, &allocInfo, &descriptorSets.sdf);
|
||||
assert(!vkRes);
|
||||
|
||||
// Image descriptor for the color map texture
|
||||
VkDescriptorImageInfo texDescriptor =
|
||||
vkTools::initializers::descriptorImageInfo(
|
||||
textures.fontSDF.sampler,
|
||||
textures.fontSDF.view,
|
||||
VK_IMAGE_LAYOUT_GENERAL);
|
||||
|
||||
std::vector<VkWriteDescriptorSet> writeDescriptorSets =
|
||||
{
|
||||
// Binding 0 : Vertex shader uniform buffer
|
||||
vkTools::initializers::writeDescriptorSet(
|
||||
descriptorSets.sdf,
|
||||
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
|
||||
0,
|
||||
&uniformData.vs.descriptor),
|
||||
// Binding 1 : Fragment shader texture sampler
|
||||
vkTools::initializers::writeDescriptorSet(
|
||||
descriptorSets.sdf,
|
||||
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
|
||||
1,
|
||||
&texDescriptor),
|
||||
// Binding 2 : Fragment shader uniform buffer
|
||||
vkTools::initializers::writeDescriptorSet(
|
||||
descriptorSets.sdf,
|
||||
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
|
||||
2,
|
||||
&uniformData.fs.descriptor)
|
||||
};
|
||||
|
||||
vkUpdateDescriptorSets(device, writeDescriptorSets.size(), writeDescriptorSets.data(), 0, NULL);
|
||||
|
||||
// Default font rendering descriptor set
|
||||
vkRes = vkAllocateDescriptorSets(device, &allocInfo, &descriptorSets.bitmap);
|
||||
assert(!vkRes);
|
||||
|
||||
// Image descriptor for the color map texture
|
||||
texDescriptor.sampler = textures.fontBitmap.sampler;
|
||||
texDescriptor.imageView = textures.fontBitmap.view;
|
||||
|
||||
writeDescriptorSets =
|
||||
{
|
||||
// Binding 0 : Vertex shader uniform buffer
|
||||
vkTools::initializers::writeDescriptorSet(
|
||||
descriptorSets.bitmap,
|
||||
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
|
||||
0,
|
||||
&uniformData.vs.descriptor),
|
||||
// Binding 1 : Fragment shader texture sampler
|
||||
vkTools::initializers::writeDescriptorSet(
|
||||
descriptorSets.bitmap,
|
||||
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_NONE,
|
||||
VK_FRONT_FACE_COUNTER_CLOCKWISE,
|
||||
0);
|
||||
|
||||
VkPipelineColorBlendAttachmentState blendAttachmentState =
|
||||
vkTools::initializers::pipelineColorBlendAttachmentState(
|
||||
0xf,
|
||||
VK_TRUE);
|
||||
|
||||
blendAttachmentState.colorBlendOp = VK_BLEND_OP_ADD;
|
||||
blendAttachmentState.srcColorBlendFactor = VK_BLEND_FACTOR_SRC_COLOR;
|
||||
blendAttachmentState.dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_COLOR;
|
||||
blendAttachmentState.alphaBlendOp = VK_BLEND_OP_ADD;
|
||||
blendAttachmentState.srcAlphaBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA;
|
||||
blendAttachmentState.dstAlphaBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA;
|
||||
|
||||
VkPipelineColorBlendStateCreateInfo colorBlendState =
|
||||
vkTools::initializers::pipelineColorBlendStateCreateInfo(
|
||||
1,
|
||||
&blendAttachmentState);
|
||||
|
||||
VkPipelineDepthStencilStateCreateInfo depthStencilState =
|
||||
vkTools::initializers::pipelineDepthStencilStateCreateInfo(
|
||||
VK_FALSE,
|
||||
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);
|
||||
|
||||
// Load shaders
|
||||
std::array<VkPipelineShaderStageCreateInfo,2> shaderStages;
|
||||
|
||||
#ifdef USE_GLSL
|
||||
shaderStages[0] = loadShaderGLSL("./../data/shaders/distancefieldfonts/sdf.vert", VK_SHADER_STAGE_VERTEX_BIT);
|
||||
shaderStages[1] = loadShaderGLSL("./../data/shaders/distancefieldfonts/sdf.frag", VK_SHADER_STAGE_FRAGMENT_BIT);
|
||||
#else
|
||||
shaderStages[0] = loadShader("./../data/shaders/distancefieldfonts/sdf.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
|
||||
shaderStages[1] = loadShader("./../data/shaders/distancefieldfonts/sdf.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
|
||||
#endif
|
||||
|
||||
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();
|
||||
|
||||
VkResult err = vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, nullptr, &pipelines.sdf);
|
||||
assert(!err);
|
||||
|
||||
// Default bitmap font rendering pipeline
|
||||
#ifdef USE_GLSL
|
||||
shaderStages[0] = loadShaderGLSL("./../data/shaders/distancefieldfonts/bitmap.vert", VK_SHADER_STAGE_VERTEX_BIT);
|
||||
shaderStages[1] = loadShaderGLSL("./../data/shaders/distancefieldfonts/bitmap.frag", VK_SHADER_STAGE_FRAGMENT_BIT);
|
||||
#else
|
||||
shaderStages[0] = loadShader("./../data/shaders/distancefieldfonts/bitmap.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
|
||||
shaderStages[1] = loadShader("./../data/shaders/distancefieldfonts/bitmap.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
|
||||
#endif
|
||||
err = vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, nullptr, &pipelines.bitmap);
|
||||
assert(!err);
|
||||
|
||||
}
|
||||
|
||||
// Prepare and initialize uniform buffer containing shader uniforms
|
||||
void prepareUniformBuffers()
|
||||
{
|
||||
// Vertex shader uniform buffer block
|
||||
createBuffer(
|
||||
VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
|
||||
sizeof(uboVS),
|
||||
&uboVS,
|
||||
&uniformData.vs.buffer,
|
||||
&uniformData.vs.memory,
|
||||
&uniformData.vs.descriptor);
|
||||
|
||||
// Fragment sahder uniform buffer block
|
||||
// Contains font rendering parameters
|
||||
createBuffer(
|
||||
VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
|
||||
sizeof(uboFS),
|
||||
&uboFS,
|
||||
&uniformData.fs.buffer,
|
||||
&uniformData.fs.memory,
|
||||
&uniformData.fs.descriptor);
|
||||
|
||||
updateUniformBuffers();
|
||||
updateFontSettings();
|
||||
}
|
||||
|
||||
void updateUniformBuffers()
|
||||
{
|
||||
// Vertex shader
|
||||
glm::mat4 viewMatrix = glm::mat4();
|
||||
uboVS.projection = glm::perspective(deg_to_rad(splitScreen ? 45.0f : 60.0f), (float)width / (float)(height * ((splitScreen) ? 0.5f : 1.0f)), 0.001f, 256.0f);
|
||||
viewMatrix = glm::translate(viewMatrix, glm::vec3(0.0f, 0.0f, zoom));
|
||||
|
||||
uboVS.model = glm::mat4();
|
||||
uboVS.model = viewMatrix * glm::translate(uboVS.model, glm::vec3(0, 0, 0));
|
||||
uboVS.model = glm::rotate(uboVS.model, deg_to_rad(rotation.x), glm::vec3(1.0f, 0.0f, 0.0f));
|
||||
uboVS.model = glm::rotate(uboVS.model, deg_to_rad(rotation.y), glm::vec3(0.0f, 1.0f, 0.0f));
|
||||
uboVS.model = glm::rotate(uboVS.model, deg_to_rad(rotation.z), glm::vec3(0.0f, 0.0f, 1.0f));
|
||||
|
||||
uint8_t *pData;
|
||||
VkResult err = vkMapMemory(device, uniformData.vs.memory, 0, sizeof(uboVS), 0, (void **)&pData);
|
||||
assert(!err);
|
||||
memcpy(pData, &uboVS, sizeof(uboVS));
|
||||
vkUnmapMemory(device, uniformData.vs.memory);
|
||||
}
|
||||
|
||||
void updateFontSettings()
|
||||
{
|
||||
// Fragment shader
|
||||
uint8_t *pData;
|
||||
VkResult err = vkMapMemory(device, uniformData.fs.memory, 0, sizeof(uboFS), 0, (void **)&pData);
|
||||
assert(!err);
|
||||
memcpy(pData, &uboFS, sizeof(uboFS));
|
||||
vkUnmapMemory(device, uniformData.fs.memory);
|
||||
}
|
||||
|
||||
void prepare()
|
||||
{
|
||||
VulkanExampleBase::prepare();
|
||||
parsebmFont();
|
||||
loadTextures();
|
||||
generateQuad();
|
||||
setupVertexDescriptions();
|
||||
prepareUniformBuffers();
|
||||
setupDescriptorSetLayout();
|
||||
preparePipelines();
|
||||
setupDescriptorPool();
|
||||
setupDescriptorSet();
|
||||
buildCommandBuffers();
|
||||
prepared = true;
|
||||
}
|
||||
|
||||
virtual void render()
|
||||
{
|
||||
if (!prepared)
|
||||
return;
|
||||
vkDeviceWaitIdle(device);
|
||||
draw();
|
||||
vkDeviceWaitIdle(device);
|
||||
}
|
||||
|
||||
virtual void viewChanged()
|
||||
{
|
||||
updateUniformBuffers();
|
||||
}
|
||||
|
||||
void toggleSplitScreen()
|
||||
{
|
||||
splitScreen = !splitScreen;
|
||||
reBuildCommandBuffers();
|
||||
updateUniformBuffers();
|
||||
}
|
||||
|
||||
void toggleFontOutline()
|
||||
{
|
||||
uboFS.outline = !uboFS.outline;
|
||||
updateFontSettings();
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
VulkanExample *vulkanExample;
|
||||
|
||||
#ifdef _WIN32
|
||||
|
||||
LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
|
||||
{
|
||||
if (vulkanExample != NULL)
|
||||
{
|
||||
vulkanExample->handleMessages(hWnd, uMsg, wParam, lParam);
|
||||
if (uMsg == WM_KEYDOWN)
|
||||
{
|
||||
switch (wParam)
|
||||
{
|
||||
case 0x53:
|
||||
vulkanExample->toggleSplitScreen();
|
||||
break;
|
||||
case 0x4F:
|
||||
vulkanExample->toggleFontOutline();
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
return (DefWindowProc(hWnd, uMsg, wParam, lParam));
|
||||
}
|
||||
|
||||
#else
|
||||
|
||||
static void handleEvent(const xcb_generic_event_t *event)
|
||||
{
|
||||
if (vulkanExample != NULL)
|
||||
{
|
||||
vulkanExample->handleEvent(event);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef _WIN32
|
||||
int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR pCmdLine, int nCmdShow)
|
||||
#else
|
||||
int main(const int argc, const char *argv[])
|
||||
#endif
|
||||
{
|
||||
vulkanExample = new VulkanExample();
|
||||
#ifdef _WIN32
|
||||
vulkanExample->setupWindow(hInstance, WndProc);
|
||||
#else
|
||||
vulkanExample->setupWindow();
|
||||
#endif
|
||||
vulkanExample->initSwapchain();
|
||||
vulkanExample->prepare();
|
||||
vulkanExample->renderLoop();
|
||||
delete(vulkanExample);
|
||||
return 0;
|
||||
}
|
||||
95
distancefieldfonts/distancefieldfonts.vcxproj
Normal file
95
distancefieldfonts/distancefieldfonts.vcxproj
Normal file
|
|
@ -0,0 +1,95 @@
|
|||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<Project DefaultTargets="Build" ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
|
||||
<ItemGroup Label="ProjectConfigurations">
|
||||
<ProjectConfiguration Include="Debug|x64">
|
||||
<Configuration>Debug</Configuration>
|
||||
<Platform>x64</Platform>
|
||||
</ProjectConfiguration>
|
||||
<ProjectConfiguration Include="Release|x64">
|
||||
<Configuration>Release</Configuration>
|
||||
<Platform>x64</Platform>
|
||||
</ProjectConfiguration>
|
||||
</ItemGroup>
|
||||
<PropertyGroup Label="Globals">
|
||||
<ProjectGuid>{ABBB2F3B-C176-4006-853F-FC695AEF5DA0}</ProjectGuid>
|
||||
<Keyword>Win32Proj</Keyword>
|
||||
<WindowsTargetPlatformVersion>8.1</WindowsTargetPlatformVersion>
|
||||
</PropertyGroup>
|
||||
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
|
||||
<ConfigurationType>Application</ConfigurationType>
|
||||
<UseDebugLibraries>true</UseDebugLibraries>
|
||||
<PlatformToolset>v140</PlatformToolset>
|
||||
</PropertyGroup>
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
|
||||
<ConfigurationType>Application</ConfigurationType>
|
||||
<UseDebugLibraries>false</UseDebugLibraries>
|
||||
<PlatformToolset>v140</PlatformToolset>
|
||||
</PropertyGroup>
|
||||
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
|
||||
<ImportGroup Label="ExtensionSettings">
|
||||
</ImportGroup>
|
||||
<ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="PropertySheets">
|
||||
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
|
||||
</ImportGroup>
|
||||
<ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="PropertySheets">
|
||||
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
|
||||
</ImportGroup>
|
||||
<PropertyGroup Label="UserMacros" />
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
|
||||
<LinkIncremental>true</LinkIncremental>
|
||||
<OutDir>$(SolutionDir)\bin\</OutDir>
|
||||
<IntDir>$(SolutionDir)\bin\intermediate\$(ProjectName)\$(ConfigurationName)</IntDir>
|
||||
</PropertyGroup>
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
|
||||
<LinkIncremental>true</LinkIncremental>
|
||||
<OutDir>$(SolutionDir)\bin\</OutDir>
|
||||
<IntDir>$(SolutionDir)\bin\intermediate\$(ProjectName)\$(ConfigurationName)</IntDir>
|
||||
</PropertyGroup>
|
||||
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
|
||||
<ClCompile>
|
||||
<PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;VK_PROTOTYPES;VK_USE_PLATFORM_WIN32_KHR;_USE_MATH_DEFINES;NOMINMAX;%(PreprocessorDefinitions)</PreprocessorDefinitions>
|
||||
<RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
|
||||
<WarningLevel>Level3</WarningLevel>
|
||||
<DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
|
||||
<Optimization>Disabled</Optimization>
|
||||
<AdditionalIncludeDirectories>..\base;..\external\glm;..\external\gli;..\external\assimp;..\external;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
||||
<AdditionalOptions>/FS %(AdditionalOptions)</AdditionalOptions>
|
||||
</ClCompile>
|
||||
<Link>
|
||||
<GenerateDebugInformation>true</GenerateDebugInformation>
|
||||
<SubSystem>Windows</SubSystem>
|
||||
<AdditionalDependencies>..\libs\vulkan\vulkan-1.lib;..\libs\assimp\assimp.lib;%(AdditionalDependencies)</AdditionalDependencies>
|
||||
</Link>
|
||||
</ItemDefinitionGroup>
|
||||
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
|
||||
<ClCompile>
|
||||
<PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;VK_PROTOTYPES;VK_USE_PLATFORM_WIN32_KHR;_USE_MATH_DEFINES;NOMINMAX;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
|
||||
<RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
|
||||
<WarningLevel>Level3</WarningLevel>
|
||||
<DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
|
||||
<AdditionalIncludeDirectories>..\base;..\external\glm;..\external\gli;..\external\assimp;..\external;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
||||
</ClCompile>
|
||||
<Link>
|
||||
<GenerateDebugInformation>true</GenerateDebugInformation>
|
||||
<SubSystem>Windows</SubSystem>
|
||||
<EnableCOMDATFolding>true</EnableCOMDATFolding>
|
||||
<OptimizeReferences>true</OptimizeReferences>
|
||||
<AdditionalDependencies>..\libs\vulkan\vulkan-1.lib;..\libs\assimp\assimp.lib;%(AdditionalDependencies)</AdditionalDependencies>
|
||||
</Link>
|
||||
</ItemDefinitionGroup>
|
||||
<ItemGroup>
|
||||
<ClCompile Include="..\base\vulkandebug.cpp" />
|
||||
<ClCompile Include="..\base\vulkanexamplebase.cpp" />
|
||||
<ClCompile Include="..\base\vulkantools.cpp" />
|
||||
<ClCompile Include="distancefieldfonts.cpp" />
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<ClInclude Include="..\base\vulkandebug.h" />
|
||||
<ClInclude Include="..\base\vulkanexamplebase.h" />
|
||||
<ClInclude Include="..\base\vulkantools.h" />
|
||||
</ItemGroup>
|
||||
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
|
||||
<ImportGroup Label="ExtensionTargets">
|
||||
</ImportGroup>
|
||||
</Project>
|
||||
42
distancefieldfonts/distancefieldfonts.vcxproj.filters
Normal file
42
distancefieldfonts/distancefieldfonts.vcxproj.filters
Normal file
|
|
@ -0,0 +1,42 @@
|
|||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
|
||||
<ItemGroup>
|
||||
<Filter Include="Source Files">
|
||||
<UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
|
||||
<Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
|
||||
</Filter>
|
||||
<Filter Include="Header Files">
|
||||
<UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
|
||||
<Extensions>h;hh;hpp;hxx;hm;inl;inc;xsd</Extensions>
|
||||
</Filter>
|
||||
<Filter Include="Resource Files">
|
||||
<UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
|
||||
<Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav</Extensions>
|
||||
</Filter>
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<ClCompile Include="..\base\vulkandebug.cpp">
|
||||
<Filter>Source Files</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="..\base\vulkanexamplebase.cpp">
|
||||
<Filter>Source Files</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="..\base\vulkantools.cpp">
|
||||
<Filter>Source Files</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="distancefieldfonts.cpp">
|
||||
<Filter>Source Files</Filter>
|
||||
</ClCompile>
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<ClInclude Include="..\base\vulkandebug.h">
|
||||
<Filter>Header Files</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="..\base\vulkanexamplebase.h">
|
||||
<Filter>Header Files</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="..\base\vulkantools.h">
|
||||
<Filter>Header Files</Filter>
|
||||
</ClInclude>
|
||||
</ItemGroup>
|
||||
</Project>
|
||||
Loading…
Add table
Add a link
Reference in a new issue