diff options
author | Frederico Linhares <fred@linhares.blue> | 2022-09-16 12:03:04 -0300 |
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committer | Frederico Linhares <fred@linhares.blue> | 2022-09-16 12:03:04 -0300 |
commit | 3d6ca447a7104c499e92fc954affdaf4bf011388 (patch) | |
tree | d759fbd39d3d66a2457ea92fc4eeb2c31b2cbe4f /src/vk/view.cpp | |
parent | 0d0868611389b8dded0c1dfef7a530a4b6e1f148 (diff) |
feat Create View
Diffstat (limited to 'src/vk/view.cpp')
-rw-r--r-- | src/vk/view.cpp | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/src/vk/view.cpp b/src/vk/view.cpp new file mode 100644 index 0000000..16ee60c --- /dev/null +++ b/src/vk/view.cpp @@ -0,0 +1,259 @@ +/* + * 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 "view.hpp" + +#include <array> + +#include "../core.hpp" + +namespace +{ + +void +load_3d_uniform_buffer(void *obj) +{ + auto self = static_cast<VK::View*>(obj); + + try + { + self->ub_3d.reserve(cg_core.vk_swapchain->images_count); + for(auto i{0}; i < cg_core.vk_swapchain->images_count; i++) + self->ub_3d.emplace_back( + cg_core.vk_device_with_swapchain, sizeof(VK::UBOView3D)); + } + catch(const std::exception& e) + { + throw CommandError{e.what()}; + } +} + +void +unload_3d_uniform_buffer(void *obj) +{ + auto self = static_cast<VK::View*>(obj); + + self->ub_3d.clear(); +} + +void +load_2d_uniform_buffer(void *obj) +{ + auto self = static_cast<VK::View*>(obj); + + try + { + self->ub_2d.reserve(cg_core.vk_swapchain->images_count); + for(auto i{0}; i < cg_core.vk_swapchain->images_count; i++) + self->ub_2d.emplace_back( + cg_core.vk_device_with_swapchain, sizeof(VK::UBOView2D)); + } + catch(const std::exception& e) + { + throw CommandError{e.what()}; + } +} + +void +unload_2d_uniform_buffer(void *obj) +{ + auto self = static_cast<VK::View*>(obj); + + self->ub_2d.clear(); +} + +void +load_descriptor_pool(void *obj) +{ + auto self = static_cast<VK::View*>(obj); + + uint32_t uniform_buffer_count = self->ub_3d.size() + self->ub_2d.size(); + + VkDescriptorPoolSize descriptor_pool_size{}; + descriptor_pool_size.type = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER; + descriptor_pool_size.descriptorCount = uniform_buffer_count; + + VkDescriptorPoolCreateInfo pool_info{}; + pool_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO; + pool_info.pNext = nullptr; + pool_info.flags = 0; + pool_info.maxSets = uniform_buffer_count; + 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<VK::View*>(obj); + + vkDestroyDescriptorPool( + cg_core.vk_device_with_swapchain->device, self->descriptor_pool, + nullptr); +} + +void +load_descriptor_sets_3d(void *obj) +{ + auto self = static_cast<VK::View*>(obj); + + std::vector<VkDescriptorSetLayout> layouts( + cg_core.vk_swapchain->images_count, + cg_core.vk_graphics_pipeline_3d_layout->descriptor_set_view); + + VkDescriptorSetAllocateInfo alloc_info{}; + alloc_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO; + alloc_info.descriptorPool = self->descriptor_pool; + alloc_info.descriptorSetCount = layouts.size(); + alloc_info.pSetLayouts = layouts.data(); + + self->descriptor_sets_3d.resize(layouts.size()); + if(vkAllocateDescriptorSets( + cg_core.vk_device_with_swapchain->device, &alloc_info, + self->descriptor_sets_3d.data()) != VK_SUCCESS) + throw CommandError{"Failed to create Vulkan descriptor sets for view."}; +} + +void +load_descriptor_sets_2d(void *obj) +{ + auto self = static_cast<VK::View*>(obj); + + std::vector<VkDescriptorSetLayout> layouts( + cg_core.vk_swapchain->images_count, + cg_core.vk_graphics_pipeline_2d_layout->descriptor_set_view); + + VkDescriptorSetAllocateInfo alloc_info{}; + alloc_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO; + alloc_info.descriptorPool = self->descriptor_pool; + alloc_info.descriptorSetCount = layouts.size(); + alloc_info.pSetLayouts = layouts.data(); + + self->descriptor_sets_2d.resize(layouts.size()); + if(vkAllocateDescriptorSets( + cg_core.vk_device_with_swapchain->device, &alloc_info, + self->descriptor_sets_2d.data()) != VK_SUCCESS) + throw CommandError{"Failed to create Vulkan descriptor sets for view."}; +} + +void +load_resources_to_descriptor_sets_3d(void *obj) +{ + auto self = static_cast<VK::View*>(obj); + + for(auto i{0}; i < self->ub_3d.size(); i++) + { + VkDescriptorBufferInfo view_3d_info{}; + view_3d_info.buffer = self->ub_3d[i].buffer; + view_3d_info.offset = 0; + view_3d_info.range = sizeof(VK::UBOView3D); + + std::array<VkWriteDescriptorSet, 1> write_descriptors{}; + write_descriptors[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET; + write_descriptors[0].dstSet = self->descriptor_sets_3d[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_3d_info; + write_descriptors[0].pImageInfo = nullptr; + write_descriptors[0].pTexelBufferView = nullptr; + + vkUpdateDescriptorSets( + cg_core.vk_device_with_swapchain->device, write_descriptors.size(), + write_descriptors.data(), 0, nullptr); + + VK::UBOView3D ubo_view_3d; + ubo_view_3d.proj = glm::ortho( + 0.0f, self->region.z, + 0.0f, self->region.w, + 0.0f, 100.0f); + self->ub_3d[i].copy_data(&ubo_view_3d); + } +} + +void +load_resources_to_descriptor_sets_2d(void *obj) +{ + auto self = static_cast<VK::View*>(obj); + + for(auto i{0}; i < self->ub_2d.size(); i++) + { + VkDescriptorBufferInfo view_2d_info{}; + view_2d_info.buffer = self->ub_2d[i].buffer; + view_2d_info.offset = 0; + view_2d_info.range = sizeof(VK::UBOView2D); + + std::array<VkWriteDescriptorSet, 1> write_descriptors{}; + write_descriptors[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET; + write_descriptors[0].dstSet = self->descriptor_sets_2d[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_2d_info; + write_descriptors[0].pImageInfo = nullptr; + write_descriptors[0].pTexelBufferView = nullptr; + + vkUpdateDescriptorSets( + cg_core.vk_device_with_swapchain->device, write_descriptors.size(), + write_descriptors.data(), 0, nullptr); + + VK::UBOView2D ubo_view_2d; + ubo_view_2d.proj = glm::ortho( + 0.0f, self->region.z, + 0.0f, self->region.w, + 0.0f, 100.0f); + self->ub_2d[i].copy_data(&ubo_view_2d); + } +} + +const CommandChain loader{ + {&load_3d_uniform_buffer, &unload_3d_uniform_buffer}, + {&load_2d_uniform_buffer, &unload_2d_uniform_buffer}, + {&load_descriptor_pool, &unload_descriptor_pool}, + // By destroying the pool the sets are also destroyed. + {&load_descriptor_sets_3d, nullptr}, + {&load_descriptor_sets_2d, nullptr}, + {&load_resources_to_descriptor_sets_3d, nullptr}, + {&load_resources_to_descriptor_sets_2d, nullptr} +}; + +} + +namespace VK +{ + +View::View(glm::vec4 region): + region{region}, + camera_position{std::make_shared<glm::vec3>(0.0f, 0.0f, 0.0f)}, + camera_rotation{std::make_shared<glm::vec3>(0.0f, 0.0f, 0.0f)}, + sprites_to_draw{cg_core.vk_swapchain->images_count} +{ + loader.execute(this); +} + +View::~View() +{ + loader.revert(this); +} + +} |