refa Split BluCat into several namespacesHEADmaster

1 files changed, 0 insertions, 503 deletions

diff --git a/src/blucat/core.cpp b/src/blucat/core.cpp
deleted file mode 100644
index 8478f86..0000000
--- a/src/blucat/core.cpp
+++ /dev/null
@@ -1,503 +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 "core.hpp"
-
-namespace
-{
-
-#ifdef DEBUG
-VKAPI_ATTR VkBool32 VKAPI_CALL
-vk_debug_callback(
-	VkDebugUtilsMessageSeverityFlagBitsEXT message_severity,
-	VkDebugUtilsMessageTypeFlagsEXT message_type,
-	const VkDebugUtilsMessengerCallbackDataEXT* callback_data,
-	void* _obj)
-{
-	// Set level.
-	Log::Level log_level;
-	switch(message_severity)
-	{
-	case VK_DEBUG_UTILS_MESSAGE_SEVERITY_VERBOSE_BIT_EXT:
-		log_level = Log::Level::Trace;
-		break;
-	case VK_DEBUG_UTILS_MESSAGE_SEVERITY_INFO_BIT_EXT:
-		log_level = Log::Level::Information;
-		break;
-	case VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT:
-		log_level = Log::Level::Warning;
-		break;
-	case VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT:
-	default:
-		log_level = Log::Level::Error;
-		break;
-	}
-
-	// Log message.
-	BluCat::core.log.message(log_level, callback_data->pMessage);
-
-	return VK_FALSE;
-}
-#endif
-
-void
-load_threads(void *obj)
-{
-	auto num_threads{std::thread::hardware_concurrency() - 1};
-	for(auto i{0}; i < num_threads; i++)
-		BluCat::core.threads.emplace_back(
-			BluCat::core.workers.emplace_back(&BluCat::core.job_queue));
-}
-
-void
-unload_threads(void *obj)
-{
-	BluCat::core.job_queue.stop();
-	for(auto &t: BluCat::core.threads) t.join();
-}
-
-void
-load_fps(void *obj)
-{
-  using namespace std::chrono;
-
-	BluCat::core.max_frame_duration =
-		duration<long long, std::milli>(1000 / BluCat::core.fps);
-	// FIXME: actually calculates the real delta time.
-	BluCat::core.delta_time = 1.0f / BluCat::core.fps;
-}
-
-void
-load_font_library(void *obj)
-{
-	FT_Error error{FT_Init_FreeType(&BluCat::core.font_library)};
-	if(error) throw CommandError{"Failed to open the FreeType library."};
-}
-
-void
-unload_font_library(void *obj)
-{
-	FT_Done_FreeType(BluCat::core.font_library);
-}
-
-#ifdef DEBUG
-void
-load_vk_debug_callback(void *obj)
-{
-  PFN_vkCreateDebugUtilsMessengerEXT debug_messenger;
-
-  // A Vulkan instance extension named VK_EXT_debug_utils and a Vulkan instance
-  // layer named VK_LAYER_LUNARG_standard_validation are required to enable
-  // this callback. These instance extension and instance layer are loaded at
-  // Instance::load_blucat_instance.
-  VkDebugUtilsMessengerCreateInfoEXT create_info;
-  create_info.sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT;
-  create_info.pNext = nullptr;
-  create_info.messageSeverity =
-      VK_DEBUG_UTILS_MESSAGE_SEVERITY_VERBOSE_BIT_EXT |
-      VK_DEBUG_UTILS_MESSAGE_SEVERITY_INFO_BIT_EXT |
-      VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT |
-      VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT;
-  create_info.messageType = VK_DEBUG_UTILS_MESSAGE_TYPE_GENERAL_BIT_EXT |
-			    VK_DEBUG_UTILS_MESSAGE_TYPE_VALIDATION_BIT_EXT |
-			    VK_DEBUG_UTILS_MESSAGE_TYPE_PERFORMANCE_BIT_EXT;
-  create_info.pfnUserCallback = vk_debug_callback;
-  create_info.pUserData = nullptr;
-  create_info.flags = 0;
-
-  debug_messenger = (PFN_vkCreateDebugUtilsMessengerEXT)
-    vkGetInstanceProcAddr(BluCat::core.vk_instance,
-			  "vkCreateDebugUtilsMessengerEXT");
-
-  if(debug_messenger(BluCat::core.vk_instance, &create_info, nullptr,
-		     &BluCat::core.vk_callback) != VK_SUCCESS)
-    CommandError{"Failed to setup debug callback for Vulkan."};
-}
-
-void
-unload_vk_debug_callback(void *obj)
-{
-  PFN_vkDestroyDebugUtilsMessengerEXT debug_messenger;
-
-  debug_messenger = (PFN_vkDestroyDebugUtilsMessengerEXT)
-    vkGetInstanceProcAddr(BluCat::core.vk_instance,
-			  "vkDestroyDebugUtilsMessengerEXT");
-
-  debug_messenger(BluCat::core.vk_instance, BluCat::core.vk_callback, nullptr);
-}
-#endif
-
-void
-load_devices(void *obj)
-{
-  uint32_t devices_count;
-  std::vector<VkPhysicalDevice> vk_physical_devices;
-
-  // Enumerate physical devices
-  {
-    vkEnumeratePhysicalDevices(
-			BluCat::core.vk_instance, &devices_count, nullptr);
-    if(devices_count < 1)
-      CommandError{"Failed to find GPUs with Vulkan support."};
-    vk_physical_devices.resize(devices_count);
-    vkEnumeratePhysicalDevices(
-      BluCat::core.vk_instance, &devices_count, vk_physical_devices.data());
-  }
-
-#ifdef DEBUG
-  BluCat::core.log.message(Log::Level::Trace, "Physical devices properties");
-#endif
-
-  BluCat::core.vk_devices.reserve(devices_count);
-  for(auto i = 0; i < devices_count; i++)
-  {
-    // Use swapchain on first device.
-    if(i == 0)
-    {
-      BluCat::core.vk_devices.emplace_back(vk_physical_devices[i], true);
-      BluCat::core.vk_device_with_swapchain = &BluCat::core.vk_devices[i];
-    }
-    else
-      BluCat::core.vk_devices.emplace_back(vk_physical_devices[i], false);
-  }
-}
-
-void
-unload_devices(void *obj)
-{
-  BluCat::core.vk_devices.clear();
-}
-
-static void
-load_swapchain(void *obj)
-{
-  try { BluCat::core.vk_swapchain = new BluCat::Swapchain(); }
-  catch(const CommandError &error)
-  {
-    std::string error_message{"Failed to create swapchain → "};
-    error_message += error.what();
-    throw CommandError{error_message};
-  }
-}
-
-void
-unload_swapchain(void *obj)
-{
-  delete BluCat::core.vk_swapchain;
-}
-
-void
-load_framebuffer(void *obj)
-{
-  try
-  {
-    BluCat::core.vk_framebuffer = new BluCat::Framebuffer();
-  }
-  catch(const CommandError &e)
-  {
-    throw CommandError{"Failed to create framebuffer."};
-  }
-}
-
-void
-unload_framebuffer(void *obj)
-{
-  delete BluCat::core.vk_framebuffer;
-}
-
-void
-load_render_pass(void *obj)
-{
-  try
-  {
-    BluCat::core.vk_render_pass = new BluCat::RenderPass();
-  }
-  catch(const CommandError &e)
-  {
-    throw CommandError{"Failed to create render pass."};
-  }
-}
-
-void
-unload_render_pass(void *obj)
-{
-  delete BluCat::core.vk_render_pass;
-}
-
-void
-load_descriptor_set_layout(void *obj)
-{
-  try
-  {
-    BluCat::core.vk_descriptor_set_layout = new BluCat::DescriptorSetLayout();
-  }
-  catch(const CommandError &e)
-  {
-    throw CommandError{"Failed to create descriptor set layouts."};
-  }
-}
-
-void
-unload_descriptor_set_layout(void *obj)
-{
-  delete BluCat::core.vk_descriptor_set_layout;
-}
-
-void
-load_graphics_pipeline_3d_layout(void *obj)
-{
-  try
-  {
-    BluCat::core.vk_graphics_pipeline_3d_layout =
-      new BluCat::GraphicsPipeline3DLayout();
-  }
-  catch(const CommandError &e)
-  {
-    throw CommandError{"Failed to create 3d graphics pipeline."};
-  }
-}
-
-void
-unload_graphics_pipeline_3d_layout(void *obj)
-{
-  delete BluCat::core.vk_graphics_pipeline_3d_layout;
-}
-
-void
-load_graphics_pipeline_2d_solid_layout(void *obj)
-{
-  try
-  {
-    BluCat::core.vk_graphics_pipeline_2d_solid_layout =
-      new BluCat::GraphicsPipeline2DSolidLayout();
-  }
-  catch(const CommandError &e)
-  {
-    throw CommandError{"Failed to create 2d graphics pipeline."};
-  }
-}
-
-void
-unload_graphics_pipeline_2d_solid_layout(void *obj)
-{
-  delete BluCat::core.vk_graphics_pipeline_2d_solid_layout;
-}
-
-void
-load_graphics_pipeline_2d_wired_layout(void *obj)
-{
-  try
-  {
-    BluCat::core.vk_graphics_pipeline_2d_wired_layout =
-      new BluCat::GraphicsPipeline2DWiredLayout();
-  }
-  catch(const CommandError &e)
-  {
-    throw CommandError{"Failed to create 2d graphics pipeline."};
-  }
-}
-
-void
-unload_graphics_pipeline_2d_wired_layout(void *obj)
-{
-  delete BluCat::core.vk_graphics_pipeline_2d_wired_layout;
-}
-
-void
-load_light(void *obj)
-{
-  try
-  {
-    BluCat::core.vk_light = new BluCat::Light();
-  }
-  catch(const CommandError &e)
-  {
-    throw CommandError{"Failed to descriptor sets for light."};
-  }
-}
-
-void
-unload_light(void *obj)
-{
-  delete BluCat::core.vk_light;
-}
-
-void
-load_graphics_pipeline_3d(void *obj)
-{
-  try
-  {
-    BluCat::core.vk_graphics_pipeline_3d =
-      std::make_unique<BluCat::GraphicsPipeline3D>();
-  }
-  catch(const CommandError &e)
-  {
-    throw CommandError{"Failed to create 3d graphics pipeline."};
-  }
-}
-
-void
-unload_graphics_pipeline_3d(void *obj)
-{
-  BluCat::core.vk_graphics_pipeline_3d = nullptr;
-}
-
-void
-load_graphics_pipeline_3d_skeletal(void *obj)
-{
-  try
-  {
-    BluCat::core.vk_graphics_pipeline_3d_skeletal =
-      std::make_unique<BluCat::GraphicsPipeline3DSkeletal>();
-  }
-  catch(const CommandError &e)
-  {
-    throw CommandError{"Failed to create 3d skeletal graphics pipeline."};
-  }
-}
-
-void
-unload_graphics_pipeline_3d_skeletal(void *obj)
-{
-  BluCat::core.vk_graphics_pipeline_3d_skeletal = nullptr;
-}
-
-void
-load_graphics_pipeline_sprite_3d(void *obj)
-{
-  try
-  {
-    BluCat::core.vk_graphics_pipeline_sprite_3d =
-      std::make_unique<BluCat::GraphicsPipelineSprite3D>();
-  }
-  catch(const CommandError &e)
-  {
-    throw CommandError{"Failed to create sprite 3d graphics pipeline."};
-  }
-}
-
-void
-unload_graphics_pipeline_sprite_3d(void *obj)
-{
-  BluCat::core.vk_graphics_pipeline_sprite_3d = nullptr;
-}
-
-void
-load_graphics_pipeline_2d_solid(void *obj)
-{
-  try
-  {
-    BluCat::core.vk_graphics_pipeline_2d_solid =
-      std::make_unique<BluCat::GraphicsPipeline2DSolid>();
-  }
-  catch(const CommandError &e)
-  {
-    throw CommandError{"Failed to create 2d graphics pipeline."};
-  }
-}
-
-void
-unload_graphics_pipeline_2d_solid(void *obj)
-{
-  BluCat::core.vk_graphics_pipeline_2d_solid = nullptr;
-}
-
-void
-load_graphics_pipeline_2d_wired(void *obj)
-{
-  try
-  {
-    BluCat::core.vk_graphics_pipeline_2d_wired =
-      std::make_unique<BluCat::GraphicsPipeline2DWired>();
-  }
-  catch(const CommandError &e)
-  {
-    throw CommandError{"Failed to create 2d graphics pipeline."};
-  }
-}
-
-void
-unload_graphics_pipeline_2d_wired(void *obj)
-{
-  BluCat::core.vk_graphics_pipeline_2d_wired = nullptr;
-}
-
-void
-load_renderer(void *obj)
-{
-  try
-  {
-    glm::vec4 region(
-      0.f, 0.f,
-      static_cast<float>(BluCat::core.display_width),
-      static_cast<float>(BluCat::core.display_height));
-		BluCat::core.vk_renderer = new BluCat::Renderer(
-      {},
-      {std::make_shared<BluCat::View3D>(region, region.z, region.w)});
-  }
-  catch(const CommandError &e)
-  {
-    throw CommandError{"Failed to create renderer."};
-  }
-}
-
-void
-unload_renderer(void *obj)
-{
-  delete BluCat::core.vk_renderer;
-}
-
-}
-
-namespace BluCat
-{
-
-std::random_device random_seed;
-std::mt19937 random_number_generator;
-
-const CommandChain Core::loader{
-  {&load_threads, &unload_threads},
-  {&load_fps, nullptr},
-  {&load_font_library, &unload_font_library},
-#ifdef DEBUG
-  {&load_vk_debug_callback, &unload_vk_debug_callback},
-#endif
-  {&load_devices, &unload_devices},
-  {&load_swapchain, &unload_swapchain},
-
-  {&load_render_pass, &unload_render_pass},
-  {&load_framebuffer, &unload_framebuffer},
-  {&load_descriptor_set_layout, &unload_descriptor_set_layout},
-  {&load_graphics_pipeline_3d_layout,
-   &unload_graphics_pipeline_3d_layout},
-  {&load_graphics_pipeline_2d_solid_layout,
-   &unload_graphics_pipeline_2d_solid_layout},
-  {&load_graphics_pipeline_2d_wired_layout,
-   &unload_graphics_pipeline_2d_wired_layout},
-  {&load_light, &unload_light},
-	{&load_graphics_pipeline_3d_skeletal,
-	 &unload_graphics_pipeline_3d_skeletal},
-  {&load_graphics_pipeline_3d, &unload_graphics_pipeline_3d},
-  {&load_graphics_pipeline_sprite_3d,
-   &unload_graphics_pipeline_sprite_3d},
-  {&load_graphics_pipeline_2d_solid, &unload_graphics_pipeline_2d_solid},
-  {&load_graphics_pipeline_2d_wired, &unload_graphics_pipeline_2d_wired},
-  {&load_renderer, &unload_renderer},
-};
-
-Core core;
-
-}