From 43821b0cffc5aa419c0218992f06f8962ae54a13 Mon Sep 17 00:00:00 2001 From: Frederico Linhares Date: Wed, 8 May 2024 17:56:29 -0300 Subject: refa Rename graphical engine to BluCat --- src/blucat/sprite_3d.cpp | 168 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 168 insertions(+) create mode 100644 src/blucat/sprite_3d.cpp (limited to 'src/blucat/sprite_3d.cpp') diff --git a/src/blucat/sprite_3d.cpp b/src/blucat/sprite_3d.cpp new file mode 100644 index 0000000..6fa6d49 --- /dev/null +++ b/src/blucat/sprite_3d.cpp @@ -0,0 +1,168 @@ +/* + * Copyright 2022-2024 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 "sprite_3d.hpp" + +#include "../core.hpp" +#include "uniform_data_object.hpp" + +namespace +{ + +void +load_uniform_buffers(void *obj) +{ + auto self = static_cast(obj); + + try + { + self->uniform_buffers.reserve(cg_core.vk_swapchain->images_count); + for(auto i{0}; i < cg_core.vk_swapchain->images_count; i++) + self->uniform_buffers.emplace_back( + cg_core.vk_device_with_swapchain, sizeof(BluCat::UDOSprite3D)); + } + catch(const std::exception& e) + { + throw CommandError{e.what()}; + } +} + +void +unload_uniform_buffers(void *obj) +{ + auto self = static_cast(obj); + + self->uniform_buffers.clear(); +} + +void +load_descriptor_set_pool(void *obj) +{ + auto self = static_cast(obj); + + std::array descriptor_pool_sizes{}; + descriptor_pool_sizes[0].type = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER; + descriptor_pool_sizes[0].descriptorCount = + self->uniform_buffers.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->uniform_buffers.size(); + pool_info.poolSizeCount = descriptor_pool_sizes.size(); + pool_info.pPoolSizes = descriptor_pool_sizes.data(); + + if(vkCreateDescriptorPool( + self->queue_family->device->device, &pool_info, nullptr, + &self->descriptor_pool) != VK_SUCCESS) + throw CommandError{"Failed to create a Vulkan descriptor pool."}; +} + +void +unload_descriptor_set_pool(void *obj) +{ + auto self = static_cast(obj); + + vkDestroyDescriptorPool( + self->queue_family->device->device, self->descriptor_pool, nullptr); +} +void +load_descriptor_sets(void *obj) +{ + auto self = static_cast(obj); + + std::vector layouts( + cg_core.vk_swapchain->images_count, + cg_core.vk_descriptor_set_layout->model); + + 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.resize(layouts.size()); + if(vkAllocateDescriptorSets( + self->queue_family->device->device, &alloc_info, + self->descriptor_sets.data()) != VK_SUCCESS) + CommandError{"Failed to create Vulkan descriptor set."}; +} + +void +load_buffers_to_descriptor_sets(void *obj) +{ + auto self = static_cast(obj); + + for(auto i{0}; i < self->uniform_buffers.size(); i++) + { + VkDescriptorBufferInfo buffer_info{}; + buffer_info.buffer = self->uniform_buffers[i].buffer; + buffer_info.offset = 0; + buffer_info.range = sizeof(BluCat::UDOSprite3D); + + VkDescriptorImageInfo image_info{}; + image_info.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; + image_info.imageView = self->sprite->texture->view; + image_info.sampler = self->sprite->texture->sampler; + + std::array write_descriptors{}; + write_descriptors[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET; + write_descriptors[0].dstSet = self->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 = &buffer_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); + } +} + +static const CommandChain loader{ + {&load_uniform_buffers, &unload_uniform_buffers}, + {&load_descriptor_set_pool, &unload_descriptor_set_pool}, + {&load_descriptor_sets, nullptr}, + {&load_buffers_to_descriptor_sets, nullptr} +}; + +} + +namespace BluCat +{ + +Sprite3D::Sprite3D( + std::shared_ptr sprite, std::shared_ptr position, + glm::vec2 size): + sprite{sprite}, + position{position}, + size{size} +{ + this->queue_family = + cg_core.vk_device_with_swapchain->get_queue_family_with_graphics(); + loader.execute(this); +} + +Sprite3D::~Sprite3D() +{ + loader.revert(this); +} + +} -- cgit v1.2.3