diff options
Diffstat (limited to 'src/blucat/renderer.cpp')
| -rw-r--r-- | src/blucat/renderer.cpp | 425 |
1 files changed, 0 insertions, 425 deletions
diff --git a/src/blucat/renderer.cpp b/src/blucat/renderer.cpp deleted file mode 100644 index 18d3976..0000000 --- a/src/blucat/renderer.cpp +++ /dev/null @@ -1,425 +0,0 @@ -/* - * 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 "renderer.hpp" - -#include <array> - -#include "core.hpp" -#include "uniform_data_object.hpp" - -namespace -{ - -void -load_descriptor_pool(void *obj) -{ - auto self = static_cast<BluCat::Renderer*>(obj); - - uint32_t uniform_buffer_count = 0; - for(auto &view : self->views_3d) - uniform_buffer_count += (view->ub_3d.size() + view->ub_2d.size()); - for(auto &view : self->views_2d) - uniform_buffer_count += (view->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( - BluCat::core.vk_device_with_swapchain->device, &pool_info, nullptr, - &self->descriptor_pool) != VK_SUCCESS) - throw CommandError{"Failed to create a Vulkan descriptor pool."}; - - for(auto &view : self->views_3d) - view->load_descriptor_sets(self->descriptor_pool); - for(auto &view : self->views_2d) - view->load_descriptor_sets(self->descriptor_pool); -} - -void -unload_descriptor_pool(void *obj) -{ - auto self = static_cast<BluCat::Renderer*>(obj); - - for(auto &view : self->views_3d) view->unload_descriptor_sets(); - for(auto &view : self->views_2d) view->unload_descriptor_sets(); - - vkDestroyDescriptorPool( - BluCat::core.vk_device_with_swapchain->device, self->descriptor_pool, - nullptr); -} - -void -load_queue_family(void *obj) -{ - auto self = static_cast<BluCat::Renderer*>(obj); - - self->queue_family = - BluCat::core.vk_device_with_swapchain->get_queue_family_with_presentation(); -} - -void -load_command_pool(void *obj) -{ - auto self = static_cast<BluCat::Renderer*>(obj); - - VkCommandPoolCreateInfo create_info{}; - create_info.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO; - create_info.pNext = nullptr; - create_info.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT; - create_info.queueFamilyIndex = self->queue_family->family_index; - - vkCreateCommandPool( - self->queue_family->device->device, &create_info, nullptr, - &self->command_pool); -} - -void -unload_command_pool(void *obj) -{ - auto self = static_cast<BluCat::Renderer*>(obj); - - self->wait_frame(); - vkDestroyCommandPool( - self->queue_family->device->device, self->command_pool, nullptr); -} - -void -load_draw_command_buffer(void *obj) -{ - auto self = static_cast<BluCat::Renderer*>(obj); - - // FIXME: 3 is a magical number, triple buffering. - self->draw_command_buffers.resize(3); - - VkCommandBufferAllocateInfo allocate_info{}; - allocate_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO; - allocate_info.pNext = nullptr; - allocate_info.commandPool = self->command_pool; - allocate_info.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY; - allocate_info.commandBufferCount = self->draw_command_buffers.size(); - - if(vkAllocateCommandBuffers( - self->queue_family->device->device, &allocate_info, - self->draw_command_buffers.data()) != VK_SUCCESS) - throw CommandError{"Vulkan draw command buffers could not be allocated."}; -} - -const CommandChain loader{ - {&load_descriptor_pool, &unload_descriptor_pool}, - {&load_queue_family, nullptr}, - {&load_command_pool, &unload_command_pool}, - {&load_draw_command_buffer, nullptr} -}; - -} - -namespace BluCat -{ - -Renderer::Renderer(std::vector<std::shared_ptr<View2D>> views_2d, - std::vector<std::shared_ptr<View3D>> views_3d): - skeletal_models_to_draw{BluCat::core.vk_swapchain->images_count}, - static_models_to_draw{BluCat::core.vk_swapchain->images_count}, - sprites_3d_to_draw{BluCat::core.vk_swapchain->images_count}, - views_2d{views_2d}, - views_3d{views_3d} -{ - loader.execute(this); -} - -Renderer::Renderer(std::initializer_list<std::shared_ptr<View2D>> views_2d, - std::initializer_list<std::shared_ptr<View3D>> views_3d): - Renderer(std::vector(views_2d), std::vector(views_3d)) -{ -} - -Renderer::~Renderer() -{ - loader.revert(this); -} - -// FIXME: this is a workaround to prevent a code to free some resource while -// it still being rendered. -void -Renderer::wait_frame() -{ - vkWaitForFences(BluCat::core.vk_device_with_swapchain->device, - BluCat::Swapchain::max_frames_in_flight, - BluCat::core.vk_swapchain->in_flight_fences.data(), VK_TRUE, - std::numeric_limits<uint64_t>::max()); -} - -void -Renderer::draw() -{ - auto fence_status = vkGetFenceStatus( - BluCat::core.vk_device_with_swapchain->device, - BluCat::core.vk_swapchain->in_flight_fences[ - BluCat::core.vk_swapchain->current_frame]); - - if(fence_status == VK_SUCCESS) - { - auto next_frame = BluCat::core.vk_swapchain->current_frame + 1; - if(next_frame == Swapchain::max_frames_in_flight) next_frame = 0; - - vkResetFences(core.vk_device_with_swapchain->device, 1, - &BluCat::core.vk_swapchain->in_flight_fences[ - BluCat::core.vk_swapchain->current_frame]); - - uint32_t image_index; - vkAcquireNextImageKHR( - BluCat::core.vk_device_with_swapchain->device, - BluCat::core.vk_swapchain->swapchain, - std::numeric_limits<uint64_t>::max(), - BluCat::core.vk_swapchain->image_available_semaphores[ - BluCat::core.vk_swapchain->current_frame], VK_NULL_HANDLE, &image_index); - - VkCommandBuffer draw_command_buffer = - this->draw_command_buffers[BluCat::core.vk_swapchain->current_frame]; - vkResetCommandBuffer(draw_command_buffer, 0); - - // Begin command buffer. - { - VkCommandBufferBeginInfo begin_info{}; - begin_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO; - begin_info.flags = 0; - begin_info.pInheritanceInfo = nullptr; - if (vkBeginCommandBuffer(draw_command_buffer, &begin_info) != VK_SUCCESS) - throw std::runtime_error{"Failed to beggin draw command buffer."}; - } - - // 3D drawing. - { - // Dark gray blue. - std::array<VkClearValue, 2> clear_values{}; - clear_values[0].color = {0.12f, 0.12f, 0.18f, 1.0f}; - clear_values[1].depthStencil = {1.0f, 0}; - - { // Update world uniform buffer - UDOWorld3D_Vert ubo_world_3d_vert{}; - ubo_world_3d_vert.ambient_light_color = - glm::vec4{0.25, 0.25, 0.25, 1.0}; - BluCat::core.vk_light->ub_world_vert[image_index].copy_data( - &ubo_world_3d_vert); - - UDOWorld3D_Frag ubo_world_3d_frag{}; - ubo_world_3d_frag.directional_light_direction = - glm::vec3{-0.57735, 0.57735, -0.57735}; - ubo_world_3d_frag.directional_light_color = - glm::vec4{0.8, 0.8, 0.8, 1.0}; - BluCat::core.vk_light->ub_world_frag[image_index].copy_data( - &ubo_world_3d_frag); - } - - VkRenderPassBeginInfo render_pass_begin{}; - render_pass_begin.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO; - render_pass_begin.pNext = nullptr; - render_pass_begin.renderPass = BluCat::core.vk_render_pass->pipeline_3d; - render_pass_begin.framebuffer = - BluCat::core.vk_framebuffer->pipeline_3d[image_index]; - render_pass_begin.renderArea.offset = {0, 0}; - render_pass_begin.renderArea.extent = { - static_cast<uint32_t>(BluCat::core.display_width), - static_cast<uint32_t>(BluCat::core.display_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); - } - - for(auto &view: this->views_3d) - { - { // Set viewport - VkViewport vk_viewport{}; - vk_viewport.x = view->region.x; - vk_viewport.y = view->region.y; - vk_viewport.width = view->region.z; - vk_viewport.height = view->region.w; - vk_viewport.minDepth = 0.0f; - vk_viewport.maxDepth = 1.0f; - vkCmdSetViewport(draw_command_buffer, 0, 1, &vk_viewport); - - VkRect2D vk_scissor{}; - vk_scissor.offset.x = static_cast<int32_t>(view->region.x); - vk_scissor.offset.y = static_cast<int32_t>(view->region.y); - vk_scissor.extent.width = static_cast<uint32_t>(view->region.z); - vk_scissor.extent.height = static_cast<uint32_t>(view->region.w); - vkCmdSetScissor(draw_command_buffer, 0, 1, &vk_scissor); - } - - BluCat::core.vk_graphics_pipeline_3d->draw( - view, draw_command_buffer, BluCat::core.vk_swapchain->current_frame, - image_index); - - BluCat::core.vk_graphics_pipeline_sprite_3d->draw( - view, draw_command_buffer, BluCat::core.vk_swapchain->current_frame, - image_index); - - BluCat::core.vk_graphics_pipeline_3d_skeletal->draw( - view, draw_command_buffer, BluCat::core.vk_swapchain->current_frame, - image_index); - - { // Update view uniform buffers - BluCat::UDOView3D ubo_view_3d{}; - - // View matrix. - glm::mat4 translation_matrix{1.0f}; - translation_matrix = glm::translate( - translation_matrix, *view->camera_position); - glm::mat4 rotation_matrix{glm::toMat4(*view->camera_orientation)}; - ubo_view_3d.view = glm::inverse(translation_matrix * rotation_matrix); - - // Projection matrix. - ubo_view_3d.proj = glm::perspective( - glm::radians(view->field_of_view), - view->region.z / view->region.w, - 0.1f, 100.0f); - - view->ub_3d[image_index].copy_data(&ubo_view_3d); - } - } - - vkCmdEndRenderPass(draw_command_buffer); - - { // 2D render pass - VkRenderPassBeginInfo render_pass_begin{}; - render_pass_begin.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO; - render_pass_begin.pNext = nullptr; - render_pass_begin.renderPass = BluCat::core.vk_render_pass->pipeline_2d; - render_pass_begin.framebuffer = - BluCat::core.vk_framebuffer->pipeline_2d[image_index]; - render_pass_begin.renderArea.offset = {0, 0}; - render_pass_begin.renderArea.extent = { - static_cast<uint32_t>(BluCat::core.display_width), - static_cast<uint32_t>(BluCat::core.display_height)}; - render_pass_begin.clearValueCount = 0; - render_pass_begin.pClearValues = nullptr; - - vkCmdBeginRenderPass( - draw_command_buffer, &render_pass_begin, VK_SUBPASS_CONTENTS_INLINE); - - } - - { // 2D solid drawing - for(auto &view: this->views_2d) - BluCat::core.vk_graphics_pipeline_2d_solid->draw( - view, draw_command_buffer, BluCat::core.vk_swapchain->current_frame, - next_frame, image_index); - - for(auto &view: this->views_3d) - BluCat::core.vk_graphics_pipeline_2d_solid->draw( - view, draw_command_buffer, BluCat::core.vk_swapchain->current_frame, - next_frame, image_index); - } - - { // 2D wired drawing - for(auto &view: this->views_2d) - BluCat::core.vk_graphics_pipeline_2d_wired->draw( - view, draw_command_buffer, BluCat::core.vk_swapchain->current_frame, - next_frame, image_index); - - for(auto &view: this->views_3d) - BluCat::core.vk_graphics_pipeline_2d_wired->draw( - view, draw_command_buffer, BluCat::core.vk_swapchain->current_frame, - next_frame, image_index); - } - - vkCmdEndRenderPass(draw_command_buffer); - - // End command buffer. - if(vkEndCommandBuffer(draw_command_buffer) != VK_SUCCESS) - throw std::runtime_error{"Failed to end draw command buffer."}; - - // Submit drawing command. - { - auto queue{this->queue_family->get_queue()}; - - VkSemaphore wait_semaphores[]{ - BluCat::core.vk_swapchain->image_available_semaphores[ - BluCat::core.vk_swapchain->current_frame]}; - VkPipelineStageFlags wait_stages[] = - {VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT}; - VkSemaphore signal_semaphores[]{ - BluCat::core.vk_swapchain->render_finished_semaphores[ - BluCat::core.vk_swapchain->current_frame]}; - - VkSubmitInfo submit_info{}; - submit_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO; - submit_info.pNext = nullptr; - submit_info.waitSemaphoreCount = 1; - submit_info.pWaitSemaphores = wait_semaphores; - submit_info.pWaitDstStageMask = wait_stages; - submit_info.commandBufferCount = 1; - submit_info.pCommandBuffers = &draw_command_buffer; - submit_info.signalSemaphoreCount = 1; - submit_info.pSignalSemaphores = signal_semaphores; - - if(vkQueueSubmit( - queue.queue, 1, &submit_info, BluCat::core.vk_swapchain->in_flight_fences[ - BluCat::core.vk_swapchain->current_frame]) != VK_SUCCESS) - throw std::runtime_error{"Failed to submit draw command buffer."}; - - VkSwapchainKHR swap_chains[]{BluCat::core.vk_swapchain->swapchain}; - - VkPresentInfoKHR present_info{}; - present_info.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR; - present_info.pNext = nullptr; - present_info.waitSemaphoreCount = 1; - present_info.pWaitSemaphores = signal_semaphores; - present_info.swapchainCount = 1; - present_info.pSwapchains = swap_chains; - present_info.pImageIndices = &image_index; - present_info.pResults = nullptr; - - vkQueuePresentKHR(queue.queue, &present_info); - } - - // Prepare for the next frame. - { - this->skeletal_models_to_draw[next_frame].clear(); - this->static_models_to_draw[next_frame].clear(); - this->sprites_3d_to_draw[next_frame].clear(); - BluCat::core.vk_swapchain->current_frame = next_frame; - } - } - else - { - // Clear images for the current frame because we are skipping this frame. - this->skeletal_models_to_draw[ - BluCat::core.vk_swapchain->current_frame].clear(); - this->static_models_to_draw[ - BluCat::core.vk_swapchain->current_frame].clear(); - this->sprites_3d_to_draw[ - BluCat::core.vk_swapchain->current_frame].clear(); - for(auto &view: this->views_2d) - view->sprites_to_draw[BluCat::core.vk_swapchain->current_frame].clear(); - for(auto &view: this->views_3d) - view->sprites_to_draw[BluCat::core.vk_swapchain->current_frame].clear(); - } -} - -} |