Code cleanup, typos
This commit is contained in:
saschawillems
parent
3c230c7ff5
commit
8dcaca2ad5
1 changed files with 59 additions and 144 deletions
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@ -21,7 +21,6 @@
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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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@ -34,10 +33,7 @@ public:
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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::Model model;
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vks::Buffer uniformBuffer;
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struct {
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@ -67,20 +63,16 @@ public:
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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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model.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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model.loadFromFile(getAssetPath() + "models/chinesedragon.dae", vertexLayout, 0.1f, vulkanDevice, queue);
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}
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void buildCommandBuffers()
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@ -119,10 +111,10 @@ public:
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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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vkCmdBindVertexBuffers(drawCmdBuffers[i], 0, 1, &model.vertices.buffer, offsets);
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vkCmdBindIndexBuffer(drawCmdBuffers[i], model.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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vkCmdDrawIndexed(drawCmdBuffers[i], model.indexCount, 1, 0, 0, 0);
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vkCmdEndRenderPass(drawCmdBuffers[i]);
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@ -132,17 +124,10 @@ public:
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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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VkDescriptorPoolCreateInfo descriptorPoolInfo = vks::initializers::descriptorPoolCreateInfo(poolSizes, 2);
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VK_CHECK_RESULT(vkCreateDescriptorPool(device, &descriptorPoolInfo, nullptr, &descriptorPool));
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}
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@ -151,96 +136,58 @@ public:
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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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VkDescriptorSetLayoutCreateInfo descriptorLayout = vks::initializers::descriptorSetLayoutCreateInfo(setLayoutBindings);
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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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VkPipelineLayoutCreateInfo pPipelineLayoutCreateInfo = vks::initializers::pipelineLayoutCreateInfo(&descriptorSetLayout, 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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VkDescriptorSetAllocateInfo allocInfo = vks::initializers::descriptorSetAllocateInfo(descriptorPool, &descriptorSetLayout, 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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vkUpdateDescriptorSets(device, writeDescriptorSets.size(), writeDescriptorSets.data(), 0, nullptr);
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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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VkPipelineInputAssemblyStateCreateInfo inputAssemblyState = vks::initializers::pipelineInputAssemblyStateCreateInfo(VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST, 0, VK_FALSE);
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VkPipelineRasterizationStateCreateInfo rasterizationState = vks::initializers::pipelineRasterizationStateCreateInfo(VK_POLYGON_MODE_FILL, VK_CULL_MODE_BACK_BIT, VK_FRONT_FACE_CLOCKWISE, 0);
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VkPipelineColorBlendAttachmentState blendAttachmentState = vks::initializers::pipelineColorBlendAttachmentState(0xf, VK_FALSE);
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VkPipelineColorBlendStateCreateInfo colorBlendState = vks::initializers::pipelineColorBlendStateCreateInfo(1, &blendAttachmentState);
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VkPipelineDepthStencilStateCreateInfo depthStencilState = vks::initializers::pipelineDepthStencilStateCreateInfo(VK_TRUE, VK_TRUE, VK_COMPARE_OP_LESS_OR_EQUAL);
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VkPipelineViewportStateCreateInfo viewportState = vks::initializers::pipelineViewportStateCreateInfo(1, 1, 0);
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VkPipelineMultisampleStateCreateInfo multisampleState = vks::initializers::pipelineMultisampleStateCreateInfo(VK_SAMPLE_COUNT_1_BIT, 0);
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std::vector<VkDynamicState> dynamicStateEnables = { VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR };
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VkPipelineDynamicStateCreateInfo dynamicState = vks::initializers::pipelineDynamicStateCreateInfo(dynamicStateEnables);
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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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// 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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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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// 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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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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std::array<VkPipelineShaderStageCreateInfo, 2> shaderStages = {
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loadShader(getAssetPath() + "shaders/screenshot/mesh.vert.spv", VK_SHADER_STAGE_VERTEX_BIT),
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loadShader(getAssetPath() + "shaders/screenshot/mesh.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT),
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};
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VkGraphicsPipelineCreateInfo pipelineCreateInfo = vks::initializers::pipelineCreateInfo(pipelineLayout, renderPass, 0);
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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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@ -250,31 +197,7 @@ public:
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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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@ -286,7 +209,7 @@ public:
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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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VK_CHECK_RESULT(uniformBuffer.map());
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updateUniformBuffers();
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}
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@ -295,26 +218,20 @@ public:
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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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// Take a screenshot from the current 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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VkFormatProperties formatProps;
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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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@ -334,22 +251,22 @@ public:
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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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VkImageCreateInfo imageCreateCI(vks::initializers::imageCreateInfo());
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imageCreateCI.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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imageCreateCI.format = VK_FORMAT_R8G8B8A8_UNORM;
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imageCreateCI.extent.width = width;
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imageCreateCI.extent.height = height;
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imageCreateCI.extent.depth = 1;
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imageCreateCI.arrayLayers = 1;
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imageCreateCI.mipLevels = 1;
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imageCreateCI.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
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imageCreateCI.samples = VK_SAMPLE_COUNT_1_BIT;
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imageCreateCI.tiling = VK_IMAGE_TILING_LINEAR;
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imageCreateCI.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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VK_CHECK_RESULT(vkCreateImage(device, &imageCreateCI, 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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@ -463,10 +380,8 @@ public:
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vulkanDevice->flushCommandBuffer(copyCmd, queue);
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// Get layout of the image (including row pitch)
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VkImageSubresource subResource{};
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subResource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
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VkImageSubresource subResource { VK_IMAGE_ASPECT_COLOR_BIT, 0, 0 };
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VkSubresourceLayout subResourceLayout;
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vkGetImageSubresourceLayout(device, dstImage, &subResource, &subResourceLayout);
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// Map image memory so we can start copying from it
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