From f1f1576543bb4e0f3b9bc4cd0ba4a12a70546c3c Mon Sep 17 00:00:00 2001 From: Frederico Linhares Date: Tue, 30 Aug 2022 17:45:40 -0300 Subject: feat Create 2d graphics pipeline --- src/vk/graphics_pipeline_3d.cpp | 880 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 880 insertions(+) create mode 100644 src/vk/graphics_pipeline_3d.cpp (limited to 'src/vk/graphics_pipeline_3d.cpp') diff --git a/src/vk/graphics_pipeline_3d.cpp b/src/vk/graphics_pipeline_3d.cpp new file mode 100644 index 0000000..04a2adb --- /dev/null +++ b/src/vk/graphics_pipeline_3d.cpp @@ -0,0 +1,880 @@ +/* + * Copyright 2022 Frederico de Oliveira Linhares + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "graphics_pipeline_3d.hpp" + +#include +#include + +#include "../core.hpp" +#include "core.hpp" +#include "image.hpp" +#include "uniform_buffer.hpp" +#include "vertex_3d.hpp" + +namespace +{ + +void +load_descriptor_set_layout_model_instance(void *obj) +{ + auto self = static_cast(obj); + + std::array layout_bindings{}; + + layout_bindings[0].binding = 0; + layout_bindings[0].descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER; + layout_bindings[0].descriptorCount = 1; + layout_bindings[0].stageFlags = VK_SHADER_STAGE_VERTEX_BIT; + layout_bindings[0].pImmutableSamplers = nullptr; + + layout_bindings[1].binding = 1; + layout_bindings[1].descriptorType = + VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; + layout_bindings[1].descriptorCount = 1; + layout_bindings[1].stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT; + layout_bindings[1].pImmutableSamplers = nullptr; + + VkDescriptorSetLayoutCreateInfo layout_info{}; + layout_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO; + layout_info.pNext = nullptr; + layout_info.flags = 0; + layout_info.bindingCount = static_cast(layout_bindings.size()); + layout_info.pBindings = layout_bindings.data(); + + if(vkCreateDescriptorSetLayout( + cg_core.vk_device_with_swapchain->device, &layout_info, nullptr, + &self->descriptor_set_layout_model_instance) != VK_SUCCESS) + throw CommandError{ + "Failed to create Vulkan descriptor set layout for model instance."}; +} + +void +unload_descriptor_set_layout_model_instance(void *obj) +{ + auto self = static_cast(obj); + + vkDestroyDescriptorSetLayout( + cg_core.vk_device_with_swapchain->device, + self->descriptor_set_layout_model_instance, nullptr); +} + +void +load_descriptor_set_layout_world_view(void *obj) +{ + auto self = static_cast(obj); + + std::array set_layouts{}; + set_layouts[0].binding = 0; + set_layouts[0].descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER; + set_layouts[0].descriptorCount = 1; + set_layouts[0].stageFlags = VK_SHADER_STAGE_VERTEX_BIT; + set_layouts[0].pImmutableSamplers = nullptr; + + set_layouts[1].binding = 1; + set_layouts[1].descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER; + set_layouts[1].descriptorCount = 1; + set_layouts[1].stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT; + set_layouts[1].pImmutableSamplers = nullptr; + + VkDescriptorSetLayoutCreateInfo layout_info{}; + layout_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO; + layout_info.pNext = nullptr; + layout_info.flags = 0; + layout_info.bindingCount = set_layouts.size(); + layout_info.pBindings = set_layouts.data(); + + if(vkCreateDescriptorSetLayout( + cg_core.vk_device_with_swapchain->device, &layout_info, nullptr, + &self->descriptor_set_layout_world_view) != VK_SUCCESS) + throw CommandError{ + "Failed to create Vulkan descriptor set layout for world view."}; +} + +void +unload_descriptor_set_layout_world_view(void *obj) +{ + auto self = static_cast(obj); + + vkDestroyDescriptorSetLayout( + cg_core.vk_device_with_swapchain->device, + self->descriptor_set_layout_world_view, nullptr); +} + +void +load_pipeline_layout(void *obj) +{ + auto self = static_cast(obj); + + std::array set_layouts{ + self->descriptor_set_layout_world_view, + self->descriptor_set_layout_model_instance}; + + VkPipelineLayoutCreateInfo pipeline_layout_info{}; + pipeline_layout_info.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO; + pipeline_layout_info.setLayoutCount = set_layouts.size(); + pipeline_layout_info.pSetLayouts = set_layouts.data(); + pipeline_layout_info.pushConstantRangeCount = 0; + pipeline_layout_info.pPushConstantRanges = nullptr; + + if(vkCreatePipelineLayout( + cg_core.vk_device_with_swapchain->device, + &pipeline_layout_info, nullptr, &self->pipeline_layout) != VK_SUCCESS) + throw CommandError{"Failed to create Vulkan pipeline layout."}; +} + +void +unload_pipeline_layout(void *obj) +{ + auto self = static_cast(obj); + + vkDestroyPipelineLayout( + cg_core.vk_device_with_swapchain->device, self->pipeline_layout, nullptr); +} + +void +load_view_projection_uniform_buffer(void *obj) +{ + auto self = static_cast(obj); + + try + { + self->ub_view_projection.reserve(cg_core.vk_swapchain->images_count); + for(auto i{0}; i < cg_core.vk_swapchain->images_count; i++) + self->ub_view_projection.emplace_back( + cg_core.vk_device_with_swapchain, sizeof(VK::UBOViewProjection)); + } + catch(const std::exception& e) + { + throw CommandError{e.what()}; + } +} + +void +unload_view_projection_uniform_buffer(void *obj) +{ + auto self = static_cast(obj); + + self->ub_view_projection.clear(); +} + +void +load_directional_light_uniform_buffer(void *obj) +{ + auto self = static_cast(obj); + + try + { + self->ub_view_projection.reserve(cg_core.vk_swapchain->images_count); + for(auto i{0}; i < cg_core.vk_swapchain->images_count; i++) + self->ub_directional_light.emplace_back( + cg_core.vk_device_with_swapchain, sizeof(VK::UBODirectionalLight)); + } + catch(const std::exception& e) + { + throw CommandError{e.what()}; + } +} + +void +unload_directional_light_uniform_buffer(void *obj) +{ + auto self = static_cast(obj); + + self->ub_directional_light.clear(); +} + +void +load_descriptor_pool(void *obj) +{ + auto self = static_cast(obj); + + VkDescriptorPoolSize descriptor_pool_size{}; + descriptor_pool_size.type = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER; + descriptor_pool_size.descriptorCount = + self->ub_view_projection.size() + self->ub_directional_light.size(); + + VkDescriptorPoolCreateInfo pool_info{}; + pool_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO; + pool_info.pNext = nullptr; + pool_info.flags = 0; + pool_info.maxSets = + self->ub_view_projection.size() + self->ub_directional_light.size(); + pool_info.poolSizeCount = 1; + pool_info.pPoolSizes = &descriptor_pool_size; + + if(vkCreateDescriptorPool( + cg_core.vk_device_with_swapchain->device, + &pool_info, nullptr, &self->descriptor_pool) != VK_SUCCESS) + throw CommandError{"Failed to create a Vulkan descriptor pool."}; +} + +void +unload_descriptor_pool(void *obj) +{ + auto self = static_cast(obj); + + vkDestroyDescriptorPool( + cg_core.vk_device_with_swapchain->device, self->descriptor_pool, nullptr); +} + +void +load_world_view_descriptor_sets(void *obj) +{ + auto self = static_cast(obj); + + std::vector layouts( + cg_core.vk_swapchain->images_count, + self->descriptor_set_layout_world_view); + + VkDescriptorSetAllocateInfo alloc_info{}; + alloc_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO; + alloc_info.descriptorPool = self->descriptor_pool; + alloc_info.descriptorSetCount = self->ub_view_projection.size(); + alloc_info.pSetLayouts = layouts.data(); + + self->world_view_descriptor_sets.resize( + cg_core.vk_swapchain->images_count); + if(vkAllocateDescriptorSets( + cg_core.vk_device_with_swapchain->device, &alloc_info, + self->world_view_descriptor_sets.data()) != VK_SUCCESS) + throw CommandError{"Failed to create Vulkan world view descriptor set."}; +} + +void +load_resources_to_descriptor_sets(void *obj) +{ + auto self = static_cast(obj); + + for(auto i{0}; i < self->ub_view_projection.size(); i++) + { + VkDescriptorBufferInfo view_projection_info{}; + view_projection_info.buffer = self->ub_view_projection[i].buffer; + view_projection_info.offset = 0; + view_projection_info.range = sizeof(VK::UBOViewProjection); + + VkDescriptorBufferInfo directional_light_info{}; + directional_light_info.buffer = self->ub_directional_light[i].buffer; + directional_light_info.offset = 0; + directional_light_info.range = sizeof(VK::UBODirectionalLight); + + std::array write_descriptors{}; + write_descriptors[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET; + write_descriptors[0].dstSet = self->world_view_descriptor_sets[i]; + write_descriptors[0].dstBinding = 0; + write_descriptors[0].dstArrayElement = 0; + write_descriptors[0].descriptorCount = 1; + write_descriptors[0].descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER; + write_descriptors[0].pBufferInfo = &view_projection_info; + write_descriptors[0].pImageInfo = nullptr; + write_descriptors[0].pTexelBufferView = nullptr; + + write_descriptors[1].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET; + write_descriptors[1].dstSet = self->world_view_descriptor_sets[i]; + write_descriptors[1].dstBinding = 1; + write_descriptors[1].dstArrayElement = 0; + write_descriptors[1].descriptorCount = 1; + write_descriptors[1].descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER; + write_descriptors[1].pBufferInfo = &directional_light_info; + write_descriptors[1].pImageInfo = nullptr; + write_descriptors[1].pTexelBufferView = nullptr; + + vkUpdateDescriptorSets( + cg_core.vk_device_with_swapchain->device, write_descriptors.size(), + write_descriptors.data(), 0, nullptr); + } +} + +void +load_depth_image(void *obj) +{ + auto self = static_cast(obj); + + VkExtent3D extent3d{}; + extent3d.width = cg_core.screen_width; + extent3d.height = cg_core.screen_height; + extent3d.depth = 1; + + try + { + VK::Image::create( + cg_core.vk_device_with_swapchain, + &self->depth_image, + &self->depth_image_memory, + VK_FORMAT_D32_SFLOAT, + extent3d, + 1, + VK_IMAGE_TILING_OPTIMAL, + VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT + ); + } + catch(VK::Image::Error error) + { + std::string error_message{"Failed to create depth image → "}; + error_message += error.what(); + throw CommandError{error_message}; + } +} + +void +unload_depth_image(void *obj) +{ + auto self = static_cast(obj); + + vkDestroyImage( + cg_core.vk_device_with_swapchain->device, self->depth_image, nullptr); + vkFreeMemory( + cg_core.vk_device_with_swapchain->device, self->depth_image_memory, + nullptr); +} + +void +load_depth_image_view(void *obj) +{ + auto self = static_cast(obj); + + try + { + VK::Image::create_view( + cg_core.vk_device_with_swapchain, &self->depth_image_view, + self->depth_image, + VK_FORMAT_D32_SFLOAT, VK_IMAGE_ASPECT_DEPTH_BIT); + } + catch(VK::Image::Error error) + { + std::string error_message{"Failed to create depth image view → "}; + error_message += error.what(); + throw CommandError{error_message}; + } +} + +void +unload_depth_image_view(void *obj) +{ + auto self = static_cast(obj); + + vkDestroyImageView( + cg_core.vk_device_with_swapchain->device, self->depth_image_view, nullptr); +} + +void +load_render_pass(void *obj) +{ + auto self = static_cast(obj); + + std::array attachments{}; + // Color attachment. + attachments[0].flags = 0; + attachments[0].format = cg_core.vk_swapchain->image_format; + attachments[0].samples = VK_SAMPLE_COUNT_1_BIT; + attachments[0].loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR; + attachments[0].storeOp = VK_ATTACHMENT_STORE_OP_STORE; + attachments[0].stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE; + attachments[0].stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE; + attachments[0].initialLayout = VK_IMAGE_LAYOUT_UNDEFINED; + attachments[0].finalLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; + // Depth attachment. + attachments[1].flags = 0; + attachments[1].format = VK_FORMAT_D32_SFLOAT; + attachments[1].samples = VK_SAMPLE_COUNT_1_BIT; + attachments[1].loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR; + attachments[1].storeOp = VK_ATTACHMENT_STORE_OP_DONT_CARE; + attachments[1].stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE; + attachments[1].stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE; + attachments[1].initialLayout = VK_IMAGE_LAYOUT_UNDEFINED; + attachments[1].finalLayout = + VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL; + + VkAttachmentReference color_attachment_ref{}; + color_attachment_ref.attachment = 0; + color_attachment_ref.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; + VkAttachmentReference depth_attachment_ref{}; + depth_attachment_ref.attachment = 1; + depth_attachment_ref.layout = + VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL; + + VkSubpassDescription subpass = {}; + subpass.flags = 0; + subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS; + subpass.inputAttachmentCount = 0; + subpass.pInputAttachments = nullptr; + subpass.colorAttachmentCount = 1; + subpass.pColorAttachments = &color_attachment_ref; + subpass.pResolveAttachments = nullptr; + subpass.pDepthStencilAttachment = &depth_attachment_ref; + subpass.preserveAttachmentCount = 0; + subpass.pPreserveAttachments = nullptr; + + VkSubpassDependency dependency = {}; + dependency.srcSubpass = VK_SUBPASS_EXTERNAL; + dependency.dstSubpass = 0; + dependency.srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT | + VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT; + dependency.srcAccessMask = 0; + dependency.dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT | + VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT; + dependency.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | + VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT | + VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT; + + VkRenderPassCreateInfo render_pass_info{}; + render_pass_info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO; + render_pass_info.pNext = nullptr; + render_pass_info.flags = 0; + render_pass_info.attachmentCount = attachments.size(); + render_pass_info.pAttachments = attachments.data(); + render_pass_info.subpassCount = 1; + render_pass_info.pSubpasses = &subpass; + render_pass_info.dependencyCount = 1; + render_pass_info.pDependencies = &dependency; + + if(vkCreateRenderPass( + cg_core.vk_device_with_swapchain->device, &render_pass_info, + nullptr, &self->render_pass) != VK_SUCCESS) + throw CommandError{"Failed to create Vulkan Render Pass."}; +} + +void +unload_render_pass(void *obj) +{ + auto self = static_cast(obj); + + vkDestroyRenderPass( + cg_core.vk_device_with_swapchain->device, self->render_pass, nullptr); +} + +void +load_framebuffer(void *obj) +{ + auto self = static_cast(obj); + + self->swapchain_framebuffers.resize(cg_core.vk_swapchain->images_count); + for (auto i{0}; i < cg_core.vk_swapchain->images_count; i++) + { + std::array attachments = { + cg_core.vk_swapchain->image_views[i], + self->depth_image_view + }; + + VkFramebufferCreateInfo framebuffer_info{}; + framebuffer_info.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO; + framebuffer_info.renderPass = self->render_pass; + framebuffer_info.attachmentCount = attachments.size(); + framebuffer_info.pAttachments = attachments.data(); + framebuffer_info.width = cg_core.screen_width; + framebuffer_info.height = cg_core.screen_height; + + framebuffer_info.layers = 1; + + if(vkCreateFramebuffer( + cg_core.vk_device_with_swapchain->device, &framebuffer_info, nullptr, + &self->swapchain_framebuffers[i]) != VK_SUCCESS) + throw CommandError{"Failed to create Vulkan Framebuffer."}; + } +} + +void +unload_framebuffer(void *obj) +{ + auto self = static_cast(obj); + + for(auto framebuffer: self->swapchain_framebuffers) + vkDestroyFramebuffer( + cg_core.vk_device_with_swapchain->device, framebuffer, nullptr); +} + +void +load_pipeline(void *obj) +{ + auto self = static_cast(obj); + + VkPipelineShaderStageCreateInfo vert_shader_stage_info = {}; + vert_shader_stage_info.sType = + VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; + vert_shader_stage_info.pNext = nullptr; + vert_shader_stage_info.flags = 0; + vert_shader_stage_info.stage = VK_SHADER_STAGE_VERTEX_BIT; + vert_shader_stage_info.module = + cg_core.vk_device_with_swapchain->vert3d_shader_module; + vert_shader_stage_info.pName = "main"; + vert_shader_stage_info.pSpecializationInfo = nullptr; + + VkPipelineShaderStageCreateInfo frag_shader_stage_info = {}; + frag_shader_stage_info.sType = + VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; + frag_shader_stage_info.pNext = nullptr; + frag_shader_stage_info.flags = 0; + frag_shader_stage_info.stage = VK_SHADER_STAGE_FRAGMENT_BIT; + frag_shader_stage_info.module = + cg_core.vk_device_with_swapchain->frag3d_shader_module; + frag_shader_stage_info.pName = "main"; + frag_shader_stage_info.pSpecializationInfo = nullptr; + + VkPipelineShaderStageCreateInfo shader_stages[] = { + vert_shader_stage_info, + frag_shader_stage_info + }; + + VkVertexInputBindingDescription vertex_input_binding{}; + vertex_input_binding.binding = 0; + vertex_input_binding.stride = sizeof(VK::Vertex3D); + vertex_input_binding.inputRate = VK_VERTEX_INPUT_RATE_VERTEX; + + std::array vertex_attribute{}; + // Position. + vertex_attribute[0].location = 0; + vertex_attribute[0].binding = 0; + vertex_attribute[0].format = VK_FORMAT_R32G32B32_SFLOAT; + vertex_attribute[0].offset = offsetof(VK::Vertex3D, position); + // Normal. + vertex_attribute[1].location = 1; + vertex_attribute[1].binding = 0; + vertex_attribute[1].format = VK_FORMAT_R32G32B32_SFLOAT; + vertex_attribute[1].offset = offsetof(VK::Vertex3D, normal); + // Texture coordinate. + vertex_attribute[2].location = 2; + vertex_attribute[2].binding = 0; + vertex_attribute[2].format = VK_FORMAT_R32G32_SFLOAT; + vertex_attribute[2].offset = offsetof(VK::Vertex3D, texture_coord); + + VkPipelineVertexInputStateCreateInfo vertex_input_info = {}; + vertex_input_info.sType = + VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO; + vertex_input_info.pNext = nullptr; + vertex_input_info.flags = 0; + vertex_input_info.vertexBindingDescriptionCount = 1; + vertex_input_info.pVertexBindingDescriptions = &vertex_input_binding; + vertex_input_info.vertexAttributeDescriptionCount = + static_cast(vertex_attribute.size()); + vertex_input_info.pVertexAttributeDescriptions = vertex_attribute.data(); + + VkPipelineInputAssemblyStateCreateInfo input_assembly = {}; + input_assembly.sType = + VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO; + input_assembly.pNext = nullptr; + input_assembly.flags = 0; + input_assembly.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST; + input_assembly.primitiveRestartEnable = VK_FALSE; + + VkViewport viewport = {}; + viewport.x = 0.0f; + viewport.y = 0.0f; + viewport.width = static_cast(cg_core.screen_width); + viewport.height = static_cast(cg_core.screen_height); + viewport.minDepth = 0.0f; + viewport.maxDepth = 1.0f; + + VkRect2D scissor = {}; + scissor.offset = {0, 0}; + scissor.extent = {cg_core.screen_width, cg_core.screen_height}; + + VkPipelineViewportStateCreateInfo viewport_state = {}; + viewport_state.sType = + VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO; + viewport_state.pNext = nullptr; + viewport_state.flags = 0; + viewport_state.viewportCount = 1; + viewport_state.pViewports = &viewport; + viewport_state.scissorCount = 1; + viewport_state.pScissors = &scissor; + + VkPipelineRasterizationStateCreateInfo rasterizer = {}; + rasterizer.sType = + VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO; + rasterizer.pNext = nullptr; + rasterizer.flags = 0; + rasterizer.depthClampEnable = VK_FALSE; + rasterizer.rasterizerDiscardEnable = VK_FALSE; + rasterizer.polygonMode = VK_POLYGON_MODE_FILL; + rasterizer.cullMode = VK_CULL_MODE_NONE; + rasterizer.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE; + rasterizer.depthBiasEnable = VK_FALSE; + rasterizer.depthBiasConstantFactor = 0.0f; + rasterizer.depthBiasClamp = 0.0f; + rasterizer.depthBiasSlopeFactor = 0.0f; + rasterizer.lineWidth = 1.0f; + + VkPipelineMultisampleStateCreateInfo multisampling = {}; + multisampling.sType = + VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO; + multisampling.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT; + multisampling.sampleShadingEnable = VK_FALSE; + multisampling.minSampleShading = 1.0f; + multisampling.pSampleMask = nullptr; + multisampling.alphaToCoverageEnable = VK_FALSE; + multisampling.alphaToOneEnable = VK_FALSE; + + VkPipelineDepthStencilStateCreateInfo depth_stencil = {}; + depth_stencil.sType = + VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO; + depth_stencil.depthTestEnable = VK_TRUE; + depth_stencil.depthWriteEnable = VK_TRUE; + depth_stencil.depthCompareOp = VK_COMPARE_OP_LESS; + depth_stencil.depthBoundsTestEnable = VK_FALSE; + depth_stencil.minDepthBounds = 0.0f; + depth_stencil.maxDepthBounds = 1.0f; + depth_stencil.stencilTestEnable = VK_FALSE; + depth_stencil.front = {}; + depth_stencil.back = {}; + + VkPipelineColorBlendAttachmentState color_blend_attachment = {}; + color_blend_attachment.blendEnable = VK_FALSE; + color_blend_attachment.srcColorBlendFactor = VK_BLEND_FACTOR_ONE; + color_blend_attachment.dstColorBlendFactor = VK_BLEND_FACTOR_ZERO; + color_blend_attachment.colorBlendOp = VK_BLEND_OP_ADD; + color_blend_attachment.srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE; + color_blend_attachment.dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO; + color_blend_attachment.alphaBlendOp = VK_BLEND_OP_ADD; + color_blend_attachment.colorWriteMask = + VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | + VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT; + + VkPipelineColorBlendStateCreateInfo color_blending = {}; + color_blending.sType = + VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO; + color_blending.pNext = nullptr; + color_blending.flags = 0; + color_blending.logicOpEnable = VK_FALSE; + color_blending.logicOp = VK_LOGIC_OP_COPY; + color_blending.attachmentCount = 1; + color_blending.pAttachments = &color_blend_attachment; + color_blending.blendConstants[0] = 0.0f; + color_blending.blendConstants[1] = 0.0f; + color_blending.blendConstants[2] = 0.0f; + color_blending.blendConstants[3] = 0.0f; + + VkDynamicState dynamic_states[] = { + VK_DYNAMIC_STATE_VIEWPORT, + VK_DYNAMIC_STATE_LINE_WIDTH + }; + + VkPipelineDynamicStateCreateInfo dynamic_state_info = {}; + dynamic_state_info.sType = + VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO; + dynamic_state_info.dynamicStateCount = 2; + dynamic_state_info.pDynamicStates = dynamic_states; + + VkGraphicsPipelineCreateInfo pipeline_info{}; + pipeline_info.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO; + pipeline_info.pNext = nullptr; + pipeline_info.flags = 0; + pipeline_info.stageCount = 2; + pipeline_info.pStages = shader_stages; + pipeline_info.pVertexInputState = &vertex_input_info; + pipeline_info.pInputAssemblyState = &input_assembly; + pipeline_info.pTessellationState = nullptr; + pipeline_info.pViewportState = &viewport_state; + pipeline_info.pRasterizationState = &rasterizer; + pipeline_info.pMultisampleState = &multisampling; + pipeline_info.pDepthStencilState = &depth_stencil; + pipeline_info.pColorBlendState = &color_blending; + pipeline_info.pDynamicState = &dynamic_state_info; + pipeline_info.layout = self->pipeline_layout; + pipeline_info.renderPass = self->render_pass; + pipeline_info.subpass = 0; + pipeline_info.basePipelineHandle = VK_NULL_HANDLE; + pipeline_info.basePipelineIndex = -1; + + if(vkCreateGraphicsPipelines( + cg_core.vk_device_with_swapchain->device, VK_NULL_HANDLE, 1, + &pipeline_info, nullptr, &self->graphic_pipeline) != VK_SUCCESS) + throw CommandError{"Failed to create graphics pipeline."}; +} + +void +unload_pipeline(void *obj) +{ + auto self = static_cast(obj); + + vkDestroyPipeline( + cg_core.vk_device_with_swapchain->device, self->graphic_pipeline, nullptr); +} + +const CommandChain loader{ + {&load_descriptor_set_layout_model_instance, + &unload_descriptor_set_layout_model_instance}, + {&load_descriptor_set_layout_world_view, + &unload_descriptor_set_layout_world_view}, + {&load_pipeline_layout, &unload_pipeline_layout}, + {&load_view_projection_uniform_buffer, + &unload_view_projection_uniform_buffer}, + {&load_directional_light_uniform_buffer, + &unload_directional_light_uniform_buffer}, + {&load_descriptor_pool, &unload_descriptor_pool}, + // By destroying the pool the sets are also destroyed. + {&load_world_view_descriptor_sets, nullptr}, + {&load_resources_to_descriptor_sets, nullptr}, + {&load_depth_image, &unload_depth_image}, + {&load_depth_image_view, &unload_depth_image_view}, + {&load_render_pass, &unload_render_pass}, + {&load_framebuffer, &unload_framebuffer}, + {&load_pipeline, &unload_pipeline} +}; + +} + +namespace VK +{ + +GraphicsPipeline3D::GraphicsPipeline3D(): + camera_position{std::make_shared(0.0f, 0.0f, 0.0f)}, + camera_rotation{std::make_shared(0.0f, 0.0f, 0.0f)}, + models_to_draw{cg_core.vk_swapchain->images_count} +{ + loader.execute(this); +} + +GraphicsPipeline3D::~GraphicsPipeline3D() +{ + loader.revert(this); +} + +void +GraphicsPipeline3D::draw( + const VkCommandBuffer draw_command_buffer, const size_t current_frame, + const size_t next_frame, const uint32_t image_index) +{ + // Load command. + { + // Dark gray blue. + std::array clear_values{}; + clear_values[0].color = {0.12f, 0.12f, 0.18f, 1.0f}; + clear_values[1].depthStencil = {1.0f, 0}; + + VkRenderPassBeginInfo render_pass_begin{}; + render_pass_begin.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO; + render_pass_begin.pNext = nullptr; + render_pass_begin.renderPass = this->render_pass; + render_pass_begin.framebuffer = this->swapchain_framebuffers[image_index]; + render_pass_begin.renderArea.offset = {0, 0}; + render_pass_begin.renderArea.extent = { + cg_core.screen_width, cg_core.screen_height}; + render_pass_begin.clearValueCount = clear_values.size(); + render_pass_begin.pClearValues = clear_values.data(); + + vkCmdBeginRenderPass( + draw_command_buffer, &render_pass_begin,VK_SUBPASS_CONTENTS_INLINE); + + VkViewport vk_viewport{}; + vk_viewport.width = static_cast(cg_core.screen_width); + vk_viewport.height = static_cast(cg_core.screen_height); + vk_viewport.minDepth = 0.0f; + vk_viewport.maxDepth = 1.0f; + vkCmdSetViewport(draw_command_buffer, 0, 1, &vk_viewport); + + VkRect2D vk_scissor{}; + vk_scissor.extent.width = cg_core.screen_width; + vk_scissor.extent.height = cg_core.screen_height; + vk_scissor.offset.x = 0; + vk_scissor.offset.y = 0; + vkCmdSetScissor(draw_command_buffer, 0, 1, &vk_scissor); + + // Draw models + for(auto& [model, instances] : this->models_to_draw[current_frame]) + { + // Commands + { + std::array vk_descriptor_sets{ + this->world_view_descriptor_sets[image_index], + model->descriptor_sets[image_index]}; + VkBuffer vertex_buffers[]{model->vertex_buffer->buffer}; + VkDeviceSize offsets[]{0}; + + vkCmdBindDescriptorSets( + draw_command_buffer, VK_PIPELINE_BIND_POINT_GRAPHICS, + this->pipeline_layout, 0, vk_descriptor_sets.size(), + vk_descriptor_sets.data(), 0, nullptr); + vkCmdBindPipeline( + draw_command_buffer, VK_PIPELINE_BIND_POINT_GRAPHICS, + this->graphic_pipeline); + vkCmdBindVertexBuffers( + draw_command_buffer, 0, 1, vertex_buffers, offsets); + vkCmdBindIndexBuffer( + draw_command_buffer, model->index_buffer->buffer, 0, + VK_INDEX_TYPE_UINT32); + vkCmdDrawIndexed( + draw_command_buffer, model->index_count, instances.size(), 0, 0, 0); + } + + VK::UBOModelInstance ubo_model_instance; + + for(int i{0}; i < instances.size(); i++) + { + // Object matrix. + glm::mat4 instance_matrix{1.0f}; + instance_matrix = glm::translate( + instance_matrix, instances[i].position); + instance_matrix = glm::rotate( + instance_matrix, instances[i].rotation.x, glm::vec3{1.0, 0.0, 0.0}); + instance_matrix = glm::rotate( + instance_matrix, instances[i].rotation.y, glm::vec3{0.0, 1.0, 0.0}); + instance_matrix = glm::rotate( + instance_matrix, instances[i].rotation.z, glm::vec3{0.0, 0.0, 1.0}); + + ubo_model_instance.instances[i] = instance_matrix; + } + + model->ub_model_instance[image_index].copy_data(&ubo_model_instance); + } + vkCmdEndRenderPass(draw_command_buffer); + + } + + // Update view projection uniform buffers + { + VK::UBOViewProjection ubo_view_projection{}; + + // View matrix. + ubo_view_projection.view = glm::mat4{1.0f}; + ubo_view_projection.view = glm::translate( + ubo_view_projection.view, *this->camera_position); + ubo_view_projection.view = glm::rotate( + ubo_view_projection.view, this->camera_rotation->y, + glm::vec3{0.0, 1.0, 0.0}); + ubo_view_projection.view = glm::rotate( + ubo_view_projection.view, this->camera_rotation->x, + glm::vec3{1.0, 0.0, 0.0}); + ubo_view_projection.view = glm::rotate( + ubo_view_projection.view, this->camera_rotation->z, + glm::vec3{0.0, 0.0, 1.0}); + ubo_view_projection.view = glm::inverse(ubo_view_projection.view); + + // Projection matrix. + ubo_view_projection.proj = glm::perspective( + glm::radians(45.0f), + cg_core.screen_width / static_cast(cg_core.screen_height), + 0.1f, 100.0f); + ubo_view_projection.proj[1][1] *= -1; + + ubo_view_projection.ambient_color = glm::vec4{0.25, 0.25, 0.25, 1.0}; + + this->ub_view_projection[image_index].copy_data(&ubo_view_projection); + } + + // Update directional light uniform buffers + { + UBODirectionalLight ubo_directional_light{}; + ubo_directional_light.direction = glm::vec3{-0.57735, -0.57735, -0.57735}; + ubo_directional_light.color = glm::vec4{0.8, 0.8, 0.8, 1.0}; + + this->ub_directional_light[image_index].copy_data(&ubo_directional_light); + } + + // Prepare for the next frame. + this->models_to_draw[next_frame].clear(); +} + +} -- cgit v1.2.3