Moved example source files into sub folder
This commit is contained in:
saschawillems
parent
a17e3924b3
commit
94a076e1ae
69 changed files with 685 additions and 164 deletions
574
examples/screenshot/screenshot.cpp
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574
examples/screenshot/screenshot.cpp
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/*
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* Vulkan Example - Taking screenshots
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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 <assert.h>
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#include <vector>
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#define GLM_FORCE_RADIANS
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#define GLM_FORCE_DEPTH_ZERO_TO_ONE
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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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#include "VulkanModel.hpp"
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#define VERTEX_BUFFER_BIND_ID 0
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#define ENABLE_VALIDATION false
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class VulkanExample : public VulkanExampleBase
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{
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public:
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// Vertex layout for the models
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vks::VertexLayout vertexLayout = vks::VertexLayout({
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vks::VERTEX_COMPONENT_POSITION,
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vks::VERTEX_COMPONENT_NORMAL,
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vks::VERTEX_COMPONENT_COLOR,
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});
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struct {
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vks::Model object;
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} models;
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vks::Buffer uniformBuffer;
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struct {
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glm::mat4 projection;
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glm::mat4 model;
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glm::mat4 view;
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int32_t texIndex = 0;
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} uboVS;
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VkPipelineLayout pipelineLayout;
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VkPipeline pipeline;
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VkDescriptorSetLayout descriptorSetLayout;
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VkDescriptorSet descriptorSet;
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bool screenshotSaved = false;
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VulkanExample() : VulkanExampleBase(ENABLE_VALIDATION)
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{
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title = "Saving framebuffer to screenshot";
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settings.overlay = true;
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camera.type = Camera::CameraType::lookat;
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camera.setPerspective(60.0f, (float)width / (float)height, 0.1f, 512.0f);
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camera.setRotation(glm::vec3(-25.0f, 23.75f, 0.0f));
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camera.setTranslation(glm::vec3(0.0f, 0.0f, -2.0f));
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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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vkDestroyPipeline(device, pipeline, nullptr);
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vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
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vkDestroyDescriptorSetLayout(device, descriptorSetLayout, nullptr);
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models.object.destroy();
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uniformBuffer.destroy();
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}
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void loadAssets()
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{
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models.object.loadFromFile(getAssetPath() + "models/chinesedragon.dae", vertexLayout, 0.1f, vulkanDevice, queue);
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}
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void buildCommandBuffers()
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{
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VkCommandBufferBeginInfo cmdBufInfo = vks::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 = vks::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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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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VK_CHECK_RESULT(vkBeginCommandBuffer(drawCmdBuffers[i], &cmdBufInfo));
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vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
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VkViewport viewport = vks::initializers::viewport((float)width, (float)height, 0.0f, 1.0f);
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vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
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VkRect2D scissor = vks::initializers::rect2D(width, height, 0, 0);
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vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
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vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &descriptorSet, 0, NULL);
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vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline);
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VkDeviceSize offsets[1] = { 0 };
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vkCmdBindVertexBuffers(drawCmdBuffers[i], VERTEX_BUFFER_BIND_ID, 1, &models.object.vertices.buffer, offsets);
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vkCmdBindIndexBuffer(drawCmdBuffers[i], models.object.indices.buffer, 0, VK_INDEX_TYPE_UINT32);
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vkCmdDrawIndexed(drawCmdBuffers[i], models.object.indexCount, 1, 0, 0, 0);
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vkCmdEndRenderPass(drawCmdBuffers[i]);
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VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));
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}
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}
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void setupDescriptorPool()
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{
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// Example uses one ubo and one image sampler
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std::vector<VkDescriptorPoolSize> poolSizes = {
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vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1),
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};
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VkDescriptorPoolCreateInfo descriptorPoolInfo =
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vks::initializers::descriptorPoolCreateInfo(
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poolSizes.size(),
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poolSizes.data(),
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2);
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VK_CHECK_RESULT(vkCreateDescriptorPool(device, &descriptorPoolInfo, nullptr, &descriptorPool));
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}
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void setupDescriptorSetLayout()
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{
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std::vector<VkDescriptorSetLayoutBinding> setLayoutBindings = {
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vks::initializers::descriptorSetLayoutBinding(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, VK_SHADER_STAGE_VERTEX_BIT, 0), // Binding 0 : Vertex shader uniform buffer
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};
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VkDescriptorSetLayoutCreateInfo descriptorLayout =
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vks::initializers::descriptorSetLayoutCreateInfo(
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setLayoutBindings.data(),
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setLayoutBindings.size());
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VK_CHECK_RESULT(vkCreateDescriptorSetLayout(device, &descriptorLayout, nullptr, &descriptorSetLayout));
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VkPipelineLayoutCreateInfo pPipelineLayoutCreateInfo =
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vks::initializers::pipelineLayoutCreateInfo(
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&descriptorSetLayout,
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1);
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VK_CHECK_RESULT(vkCreatePipelineLayout(device, &pPipelineLayoutCreateInfo, nullptr, &pipelineLayout));
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}
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void setupDescriptorSet()
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{
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VkDescriptorSetAllocateInfo allocInfo =
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vks::initializers::descriptorSetAllocateInfo(
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descriptorPool,
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&descriptorSetLayout,
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1);
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VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocInfo, &descriptorSet));
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std::vector<VkWriteDescriptorSet> writeDescriptorSets = {
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vks::initializers::writeDescriptorSet(descriptorSet, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 0, &uniformBuffer.descriptor), // Binding 0 : Vertex shader uniform buffer
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};
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vkUpdateDescriptorSets(device, writeDescriptorSets.size(), writeDescriptorSets.data(), 0, NULL);
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}
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void preparePipelines()
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{
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VkPipelineInputAssemblyStateCreateInfo inputAssemblyState =
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vks::initializers::pipelineInputAssemblyStateCreateInfo(
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VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST,
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0,
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VK_FALSE);
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VkPipelineRasterizationStateCreateInfo rasterizationState =
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vks::initializers::pipelineRasterizationStateCreateInfo(
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VK_POLYGON_MODE_FILL,
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VK_CULL_MODE_BACK_BIT,
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VK_FRONT_FACE_CLOCKWISE,
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0);
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VkPipelineColorBlendAttachmentState blendAttachmentState =
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vks::initializers::pipelineColorBlendAttachmentState(
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0xf,
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VK_FALSE);
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VkPipelineColorBlendStateCreateInfo colorBlendState =
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vks::initializers::pipelineColorBlendStateCreateInfo(
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1,
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&blendAttachmentState);
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VkPipelineDepthStencilStateCreateInfo depthStencilState =
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vks::initializers::pipelineDepthStencilStateCreateInfo(
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VK_TRUE,
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VK_TRUE,
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VK_COMPARE_OP_LESS_OR_EQUAL);
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VkPipelineViewportStateCreateInfo viewportState =
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vks::initializers::pipelineViewportStateCreateInfo(1, 1, 0);
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VkPipelineMultisampleStateCreateInfo multisampleState =
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vks::initializers::pipelineMultisampleStateCreateInfo(
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VK_SAMPLE_COUNT_1_BIT,
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0);
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std::vector<VkDynamicState> dynamicStateEnables = {
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VK_DYNAMIC_STATE_VIEWPORT,
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VK_DYNAMIC_STATE_SCISSOR
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};
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VkPipelineDynamicStateCreateInfo dynamicState =
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vks::initializers::pipelineDynamicStateCreateInfo(
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dynamicStateEnables.data(),
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dynamicStateEnables.size(),
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0);
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VkGraphicsPipelineCreateInfo pipelineCreateInfo =
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vks::initializers::pipelineCreateInfo(
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pipelineLayout,
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renderPass,
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0);
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std::array<VkPipelineShaderStageCreateInfo, 2> shaderStages;
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pipelineCreateInfo.pInputAssemblyState = &inputAssemblyState;
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pipelineCreateInfo.pRasterizationState = &rasterizationState;
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pipelineCreateInfo.pColorBlendState = &colorBlendState;
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pipelineCreateInfo.pMultisampleState = &multisampleState;
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pipelineCreateInfo.pViewportState = &viewportState;
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pipelineCreateInfo.pDepthStencilState = &depthStencilState;
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pipelineCreateInfo.pDynamicState = &dynamicState;
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pipelineCreateInfo.stageCount = shaderStages.size();
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pipelineCreateInfo.pStages = shaderStages.data();
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// Vertex bindings and attributes
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// Binding description
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std::vector<VkVertexInputBindingDescription> vertexInputBindings = {
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vks::initializers::vertexInputBindingDescription(0, vertexLayout.stride(), VK_VERTEX_INPUT_RATE_VERTEX),
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};
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// Attribute descriptions
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std::vector<VkVertexInputAttributeDescription> vertexInputAttributes = {
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vks::initializers::vertexInputAttributeDescription(0, 0, VK_FORMAT_R32G32B32_SFLOAT, 0), // Position
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vks::initializers::vertexInputAttributeDescription(0, 1, VK_FORMAT_R32G32B32_SFLOAT, sizeof(float) * 3), // Normal
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vks::initializers::vertexInputAttributeDescription(0, 2, VK_FORMAT_R32G32B32_SFLOAT, sizeof(float) * 6), // Color
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};
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VkPipelineVertexInputStateCreateInfo vertexInputState = vks::initializers::pipelineVertexInputStateCreateInfo();
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vertexInputState.vertexBindingDescriptionCount = static_cast<uint32_t>(vertexInputBindings.size());
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vertexInputState.pVertexBindingDescriptions = vertexInputBindings.data();
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vertexInputState.vertexAttributeDescriptionCount = static_cast<uint32_t>(vertexInputAttributes.size());
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vertexInputState.pVertexAttributeDescriptions = vertexInputAttributes.data();
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pipelineCreateInfo.pVertexInputState = &vertexInputState;
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// Mesh rendering pipeline
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shaderStages[0] = loadShader(getAssetPath() + "shaders/screenshot/mesh.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
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shaderStages[1] = loadShader(getAssetPath() + "shaders/screenshot/mesh.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
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VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, nullptr, &pipeline));
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}
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void prepareUniformBuffers()
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{
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// Vertex shader uniform buffer block
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vulkanDevice->createBuffer(
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VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
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VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
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&uniformBuffer,
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sizeof(uboVS));
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updateUniformBuffers();
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}
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void updateUniformBuffers()
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{
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uboVS.projection = camera.matrices.perspective;
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uboVS.view = camera.matrices.view;
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uboVS.model = glm::mat4(1.0f);
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VK_CHECK_RESULT(uniformBuffer.map());
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uniformBuffer.copyTo(&uboVS, sizeof(uboVS));
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uniformBuffer.unmap();
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}
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// Take a screenshot for the curretn swapchain image
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// This is done using a blit from the swapchain image to a linear image whose memory content is then saved as a ppm image
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// Getting the image date directly from a swapchain image wouldn't work as they're usually stored in an implementation dependant optimal tiling format
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// Note: This requires the swapchain images to be created with the VK_IMAGE_USAGE_TRANSFER_SRC_BIT flag (see VulkanSwapChain::create)
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void saveScreenshot(const char *filename)
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{
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screenshotSaved = false;
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// Get format properties for the swapchain color format
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VkFormatProperties formatProps;
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bool supportsBlit = true;
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// Check blit support for source and destination
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// Check if the device supports blitting from optimal images (the swapchain images are in optimal format)
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vkGetPhysicalDeviceFormatProperties(physicalDevice, swapChain.colorFormat, &formatProps);
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if (!(formatProps.optimalTilingFeatures & VK_FORMAT_FEATURE_BLIT_SRC_BIT)) {
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std::cerr << "Device does not support blitting from optimal tiled images, using copy instead of blit!" << std::endl;
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supportsBlit = false;
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}
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// Check if the device supports blitting to linear images
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vkGetPhysicalDeviceFormatProperties(physicalDevice, VK_FORMAT_R8G8B8A8_UNORM, &formatProps);
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if (!(formatProps.linearTilingFeatures & VK_FORMAT_FEATURE_BLIT_DST_BIT)) {
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std::cerr << "Device does not support blitting to linear tiled images, using copy instead of blit!" << std::endl;
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supportsBlit = false;
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}
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// Source for the copy is the last rendered swapchain image
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VkImage srcImage = swapChain.images[currentBuffer];
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// Create the linear tiled destination image to copy to and to read the memory from
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VkImageCreateInfo imgCreateInfo(vks::initializers::imageCreateInfo());
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imgCreateInfo.imageType = VK_IMAGE_TYPE_2D;
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// Note that vkCmdBlitImage (if supported) will also do format conversions if the swapchain color format would differ
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imgCreateInfo.format = VK_FORMAT_R8G8B8A8_UNORM;
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imgCreateInfo.extent.width = width;
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imgCreateInfo.extent.height = height;
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imgCreateInfo.extent.depth = 1;
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imgCreateInfo.arrayLayers = 1;
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imgCreateInfo.mipLevels = 1;
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imgCreateInfo.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
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imgCreateInfo.samples = VK_SAMPLE_COUNT_1_BIT;
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imgCreateInfo.tiling = VK_IMAGE_TILING_LINEAR;
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imgCreateInfo.usage = VK_IMAGE_USAGE_TRANSFER_DST_BIT;
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// Create the image
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VkImage dstImage;
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VK_CHECK_RESULT(vkCreateImage(device, &imgCreateInfo, nullptr, &dstImage));
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// Create memory to back up the image
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VkMemoryRequirements memRequirements;
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VkMemoryAllocateInfo memAllocInfo(vks::initializers::memoryAllocateInfo());
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VkDeviceMemory dstImageMemory;
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vkGetImageMemoryRequirements(device, dstImage, &memRequirements);
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memAllocInfo.allocationSize = memRequirements.size;
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// Memory must be host visible to copy from
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memAllocInfo.memoryTypeIndex = vulkanDevice->getMemoryType(memRequirements.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT);
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VK_CHECK_RESULT(vkAllocateMemory(device, &memAllocInfo, nullptr, &dstImageMemory));
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VK_CHECK_RESULT(vkBindImageMemory(device, dstImage, dstImageMemory, 0));
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// Do the actual blit from the swapchain image to our host visible destination image
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VkCommandBuffer copyCmd = vulkanDevice->createCommandBuffer(VK_COMMAND_BUFFER_LEVEL_PRIMARY, true);
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VkImageMemoryBarrier imageMemoryBarrier = vks::initializers::imageMemoryBarrier();
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// Transition destination image to transfer destination layout
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vks::tools::insertImageMemoryBarrier(
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copyCmd,
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dstImage,
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0,
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VK_ACCESS_TRANSFER_WRITE_BIT,
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VK_IMAGE_LAYOUT_UNDEFINED,
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VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
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VK_PIPELINE_STAGE_TRANSFER_BIT,
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VK_PIPELINE_STAGE_TRANSFER_BIT,
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VkImageSubresourceRange{ VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 });
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// Transition swapchain image from present to transfer source layout
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vks::tools::insertImageMemoryBarrier(
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copyCmd,
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srcImage,
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VK_ACCESS_MEMORY_READ_BIT,
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VK_ACCESS_TRANSFER_READ_BIT,
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VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
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VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
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VK_PIPELINE_STAGE_TRANSFER_BIT,
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VK_PIPELINE_STAGE_TRANSFER_BIT,
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VkImageSubresourceRange{ VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 });
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// If source and destination support blit we'll blit as this also does automatic format conversion (e.g. from BGR to RGB)
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if (supportsBlit)
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{
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// Define the region to blit (we will blit the whole swapchain image)
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VkOffset3D blitSize;
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blitSize.x = width;
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blitSize.y = height;
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blitSize.z = 1;
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VkImageBlit imageBlitRegion{};
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imageBlitRegion.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
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imageBlitRegion.srcSubresource.layerCount = 1;
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imageBlitRegion.srcOffsets[1] = blitSize;
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imageBlitRegion.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
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imageBlitRegion.dstSubresource.layerCount = 1;
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imageBlitRegion.dstOffsets[1] = blitSize;
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// Issue the blit command
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vkCmdBlitImage(
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copyCmd,
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srcImage, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
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dstImage, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
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1,
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&imageBlitRegion,
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VK_FILTER_NEAREST);
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}
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else
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{
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// Otherwise use image copy (requires us to manually flip components)
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VkImageCopy imageCopyRegion{};
|
||||
imageCopyRegion.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
|
||||
imageCopyRegion.srcSubresource.layerCount = 1;
|
||||
imageCopyRegion.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
|
||||
imageCopyRegion.dstSubresource.layerCount = 1;
|
||||
imageCopyRegion.extent.width = width;
|
||||
imageCopyRegion.extent.height = height;
|
||||
imageCopyRegion.extent.depth = 1;
|
||||
|
||||
// Issue the copy command
|
||||
vkCmdCopyImage(
|
||||
copyCmd,
|
||||
srcImage, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
|
||||
dstImage, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
|
||||
1,
|
||||
&imageCopyRegion);
|
||||
}
|
||||
|
||||
// Transition destination image to general layout, which is the required layout for mapping the image memory later on
|
||||
vks::tools::insertImageMemoryBarrier(
|
||||
copyCmd,
|
||||
dstImage,
|
||||
VK_ACCESS_TRANSFER_WRITE_BIT,
|
||||
VK_ACCESS_MEMORY_READ_BIT,
|
||||
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
|
||||
VK_IMAGE_LAYOUT_GENERAL,
|
||||
VK_PIPELINE_STAGE_TRANSFER_BIT,
|
||||
VK_PIPELINE_STAGE_TRANSFER_BIT,
|
||||
VkImageSubresourceRange{ VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 });
|
||||
|
||||
// Transition back the swap chain image after the blit is done
|
||||
vks::tools::insertImageMemoryBarrier(
|
||||
copyCmd,
|
||||
srcImage,
|
||||
VK_ACCESS_TRANSFER_READ_BIT,
|
||||
VK_ACCESS_MEMORY_READ_BIT,
|
||||
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
|
||||
VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
|
||||
VK_PIPELINE_STAGE_TRANSFER_BIT,
|
||||
VK_PIPELINE_STAGE_TRANSFER_BIT,
|
||||
VkImageSubresourceRange{ VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 });
|
||||
|
||||
vulkanDevice->flushCommandBuffer(copyCmd, queue);
|
||||
|
||||
// Get layout of the image (including row pitch)
|
||||
VkImageSubresource subResource{};
|
||||
subResource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
|
||||
VkSubresourceLayout subResourceLayout;
|
||||
|
||||
vkGetImageSubresourceLayout(device, dstImage, &subResource, &subResourceLayout);
|
||||
|
||||
// Map image memory so we can start copying from it
|
||||
const char* data;
|
||||
vkMapMemory(device, dstImageMemory, 0, VK_WHOLE_SIZE, 0, (void**)&data);
|
||||
data += subResourceLayout.offset;
|
||||
|
||||
std::ofstream file(filename, std::ios::out | std::ios::binary);
|
||||
|
||||
// ppm header
|
||||
file << "P6\n" << width << "\n" << height << "\n" << 255 << "\n";
|
||||
|
||||
// If source is BGR (destination is always RGB) and we can't use blit (which does automatic conversion), we'll have to manually swizzle color components
|
||||
bool colorSwizzle = false;
|
||||
// Check if source is BGR
|
||||
// Note: Not complete, only contains most common and basic BGR surface formats for demonstation purposes
|
||||
if (!supportsBlit)
|
||||
{
|
||||
std::vector<VkFormat> formatsBGR = { VK_FORMAT_B8G8R8A8_SRGB, VK_FORMAT_B8G8R8A8_UNORM, VK_FORMAT_B8G8R8A8_SNORM };
|
||||
colorSwizzle = (std::find(formatsBGR.begin(), formatsBGR.end(), swapChain.colorFormat) != formatsBGR.end());
|
||||
}
|
||||
|
||||
// ppm binary pixel data
|
||||
for (uint32_t y = 0; y < height; y++)
|
||||
{
|
||||
unsigned int *row = (unsigned int*)data;
|
||||
for (uint32_t x = 0; x < width; x++)
|
||||
{
|
||||
if (colorSwizzle)
|
||||
{
|
||||
file.write((char*)row+2, 1);
|
||||
file.write((char*)row+1, 1);
|
||||
file.write((char*)row, 1);
|
||||
}
|
||||
else
|
||||
{
|
||||
file.write((char*)row, 3);
|
||||
}
|
||||
row++;
|
||||
}
|
||||
data += subResourceLayout.rowPitch;
|
||||
}
|
||||
file.close();
|
||||
|
||||
std::cout << "Screenshot saved to disk" << std::endl;
|
||||
|
||||
// Clean up resources
|
||||
vkUnmapMemory(device, dstImageMemory);
|
||||
vkFreeMemory(device, dstImageMemory, nullptr);
|
||||
vkDestroyImage(device, dstImage, nullptr);
|
||||
|
||||
screenshotSaved = true;
|
||||
}
|
||||
|
||||
void draw()
|
||||
{
|
||||
VulkanExampleBase::prepareFrame();
|
||||
|
||||
submitInfo.commandBufferCount = 1;
|
||||
submitInfo.pCommandBuffers = &drawCmdBuffers[currentBuffer];
|
||||
VK_CHECK_RESULT(vkQueueSubmit(queue, 1, &submitInfo, VK_NULL_HANDLE));
|
||||
|
||||
VulkanExampleBase::submitFrame();
|
||||
}
|
||||
|
||||
void prepare()
|
||||
{
|
||||
VulkanExampleBase::prepare();
|
||||
loadAssets();
|
||||
prepareUniformBuffers();
|
||||
setupDescriptorSetLayout();
|
||||
preparePipelines();
|
||||
setupDescriptorPool();
|
||||
setupDescriptorSet();
|
||||
buildCommandBuffers();
|
||||
prepared = true;
|
||||
}
|
||||
|
||||
virtual void render()
|
||||
{
|
||||
if (!prepared)
|
||||
return;
|
||||
draw();
|
||||
}
|
||||
|
||||
virtual void viewChanged()
|
||||
{
|
||||
updateUniformBuffers();
|
||||
}
|
||||
|
||||
virtual void OnUpdateUIOverlay(vks::UIOverlay *overlay)
|
||||
{
|
||||
if (overlay->header("Functions")) {
|
||||
if (overlay->button("Take screenshot")) {
|
||||
saveScreenshot("screenshot.ppm");
|
||||
}
|
||||
if (screenshotSaved) {
|
||||
overlay->text("Screenshot saved as screenshot.ppm");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
VULKAN_EXAMPLE_MAIN()
|
||||
Loading…
Add table
Add a link
Reference in a new issue