diff options
author | Frederico Linhares <fred@linhares.blue> | 2022-09-21 13:57:31 -0300 |
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committer | Frederico Linhares <fred@linhares.blue> | 2022-09-21 14:33:18 -0300 |
commit | 78db82c0dac8db90a3de1004e5428f225947b2b9 (patch) | |
tree | f6e6191a7974b2d15b92a9a67fab167bb330ca61 /src/vk/view_3d.cpp | |
parent | dafe4a4335f48ce4098935bdf0333beac2ded2ed (diff) |
feat Create View2D
Diffstat (limited to 'src/vk/view_3d.cpp')
-rw-r--r-- | src/vk/view_3d.cpp | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/src/vk/view_3d.cpp b/src/vk/view_3d.cpp new file mode 100644 index 0000000..9d124d9 --- /dev/null +++ b/src/vk/view_3d.cpp @@ -0,0 +1,159 @@ +/* + * 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_3d.hpp" + +#include <array> + +#include "../core.hpp" + +namespace +{ + +void +load_3d_uniform_buffer(void *obj) +{ + auto self = static_cast<VK::View3D*>(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::View3D*>(obj); + + self->ub_3d.clear(); +} + +void +load_descriptor_sets_3d(void *obj) +{ + auto self = static_cast<VK::View3D*>(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_resources_to_descriptor_sets_3d(void *obj) +{ + auto self = static_cast<VK::View3D*>(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); + } +} + +const CommandChain loader{ + {&load_3d_uniform_buffer, &unload_3d_uniform_buffer} +}; + +const CommandChain descriptor_sets_loader{ + {&load_descriptor_sets_3d, nullptr}, + {&load_resources_to_descriptor_sets_3d, nullptr} +}; + +} + +namespace VK +{ + +View3D::View3D(glm::vec4 region): + View2D{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)} +{ + ::loader.execute(this); +} + +View3D::~View3D() +{ + ::loader.revert(this); +} + +void +View3D::load_descriptor_sets(VkDescriptorPool descriptor_pool) +{ + if(this->descriptor_pool != VK_NULL_HANDLE) return; + + auto parent = dynamic_cast<VK::View2D*>(this); + this->descriptor_pool = descriptor_pool; + View2D::descriptor_sets_loader.execute(parent); + ::descriptor_sets_loader.execute(this); +} + +void +View3D::unload_descriptor_sets() +{ + if(this->descriptor_pool == VK_NULL_HANDLE) return; + + auto parent = dynamic_cast<VK::View2D*>(this); + this->descriptor_pool = VK_NULL_HANDLE; + ::descriptor_sets_loader.revert(this); + View2D::descriptor_sets_loader.revert(parent); +} + +} |