fixing allocation issues with texts

example/main.c

@@ -6,7 +6,7 @@
 /*   By: maldavid <kbz_8.dev@akel-engine.com>       +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2022/10/04 17:55:21 by maldavid          #+#    #+#             */
-/*   Updated: 2024/01/16 08:03:37 by maldavid         ###   ########.fr       */
+/*   Updated: 2024/01/18 09:58:15 by maldavid         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -135,25 +135,25 @@ int main(void)
 
 	mlx_on_event(mlx.mlx, mlx.win, MLX_KEYDOWN, key_hook, &mlx);
 	mlx_on_event(mlx.mlx, mlx.win, MLX_WINDOW_EVENT, window_hook, &mlx);
-	
+
 	mlx.logo_png = mlx_png_file_to_image(mlx.mlx, "42_logo.png", &dummy, &dummy);
 	mlx.logo_bmp = mlx_bmp_file_to_image(mlx.mlx, "42_logo.bmp", &dummy, &dummy);
 	mlx.logo_jpg = mlx_jpg_file_to_image(mlx.mlx, "42_logo.jpg", &dummy, &dummy);
-	
+
 	mlx_pixel_put(mlx.mlx, mlx.win, 200, 10, 0xFFFF00FF);
 	mlx_put_image_to_window(mlx.mlx, mlx.win, mlx.logo_png, 10, 190);
-	
+
 	mlx.img = create_image(&mlx);
 	
-	mlx_string_put(mlx.mlx, mlx.win, 20, 20, 0xFF0020FF, "that text will disappear");
 	mlx_set_font_scale(mlx.mlx, mlx.win, "font.ttf", 16.f);
-	
+	mlx_string_put(mlx.mlx, mlx.win, 20, 20, 0xFF0020FF, "that text will disappear");
+
 	mlx_loop_hook(mlx.mlx, update, &mlx);
 	mlx_loop(mlx.mlx);
-	
+
-	mlx_get_screens_size(mlx.mlx, &w, &h);
+	mlx_get_screens_size(mlx.mlx, mlx.win, &w, &h);
 	printf("screen size : %dx%d\n", w, h);
-	
+
 	mlx_destroy_image(mlx.mlx, mlx.logo_png);
 	mlx_destroy_image(mlx.mlx, mlx.logo_jpg);
 	mlx_destroy_image(mlx.mlx, mlx.logo_bmp);

includes/mlx.h

@@ -6,7 +6,7 @@
 /*   By: maldavid <kbz_8.dev@akel-engine.com>       +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2022/10/04 16:56:35 by maldavid          #+#    #+#             */
-/*   Updated: 2024/01/05 19:53:13 by maldavid         ###   ########.fr       */
+/*   Updated: 2024/01/18 09:55:36 by maldavid         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -349,15 +349,16 @@ MLX_API int mlx_destroy_display(void* mlx);
 
 
 /**
- * @brief			Get screen size
+ * @brief			Get the size of the screen the given window is on
  *
  * @param mlx		Internal MLX application
+ * @param win		Internal window
  * @param w			Get width size
  * @param h			Get height size
  *
  * @return (int)	Always return 0, made this to copy the behaviour of the original MLX
  */
-MLX_API int mlx_get_screens_size(void* mlx, int* w, int* h);
+MLX_API int mlx_get_screens_size(void* mlx, void* win, int* w, int* h);
 
 #ifdef __cplusplus
 }

src/core/application.cpp

@@ -6,12 +6,13 @@
 /*   By: maldavid <kbz_8.dev@akel-engine.com>       +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2022/10/04 22:10:52 by maldavid          #+#    #+#             */
-/*   Updated: 2024/01/11 05:08:42 by maldavid         ###   ########.fr       */
+/*   Updated: 2024/01/18 09:44:26 by maldavid         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "application.h"
 #include <renderer/texts/text_library.h>
+#include <renderer/texts/font_library.h>
 #include <SDL2/SDL.h>
 #include <renderer/images/texture.h>
 #include <renderer/core/render_core.h>
@@ -84,6 +85,7 @@ namespace mlx::core
 	Application::~Application()
 	{
 		TextLibrary::get().clearLibrary();
+		FontLibrary::get().clearLibrary();
 		if(__drop_sdl_responsability)
 			return;
 		SDL_QuitSubSystem(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_EVENTS);

src/core/application.h

@@ -6,7 +6,7 @@
 /*   By: maldavid <kbz_8.dev@akel-engine.com>       +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2022/10/04 21:49:46 by maldavid          #+#    #+#             */
-/*   Updated: 2024/01/10 19:57:12 by maldavid         ###   ########.fr       */
+/*   Updated: 2024/01/18 09:56:04 by maldavid         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -39,7 +39,7 @@ namespace mlx::core
 
 			inline void onEvent(void* win, int event, int (*funct_ptr)(int, void*), void* param) noexcept;
 
-			inline void getScreenSize(int* w, int* h) noexcept;
+			inline void getScreenSize(void* win, int* w, int* h) noexcept;
 
 			inline void* newGraphicsSuport(std::size_t w, std::size_t h, const char* title);
 			inline void clearGraphicsSupport(void* win);

src/core/application.inl

@@ -55,10 +55,11 @@ namespace mlx::core
 		_in->onEvent(_graphics[*static_cast<int*>(win)]->getWindow()->getID(), event, funct_ptr, param);
 	}
 
-	void Application::getScreenSize(int* w, int* h) noexcept
+	void Application::getScreenSize(void* win, int* w, int* h) noexcept
 	{
+		CHECK_WINDOW_PTR(win);
 		SDL_DisplayMode DM;
-		SDL_GetDesktopDisplayMode(0, &DM);
+		SDL_GetDesktopDisplayMode(SDL_GetWindowDisplayIndex(_graphics[*static_cast<int*>(win)]->getWindow()->getNativeWindow()), &DM);
 		*w = DM.w;
 		*h = DM.h;
 	}

src/core/bridge.cpp

@@ -6,7 +6,7 @@
 /*   By: maldavid <kbz_8.dev@akel-engine.com>       +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2022/10/04 17:35:20 by maldavid          #+#    #+#             */
-/*   Updated: 2024/01/16 08:20:17 by maldavid         ###   ########.fr       */
+/*   Updated: 2024/01/18 09:55:53 by maldavid         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -271,10 +271,10 @@ extern "C"
 		return 0;
 	}
 
-	int mlx_get_screens_size(void* mlx, int* w, int* h)
+	int mlx_get_screens_size(void* mlx, void* win, int* w, int* h)
 	{
 		MLX_CHECK_APPLICATION_POINTER(mlx);
-		static_cast<mlx::core::Application*>(mlx)->getScreenSize(w, h);
+		static_cast<mlx::core::Application*>(mlx)->getScreenSize(win, w, h);
 		return 0;
 	}
 }

src/renderer/core/memory.cpp

@@ -6,7 +6,7 @@
 /*   By: kbz_8 <kbz_8.dev@akel-engine.com>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/10/20 22:02:37 by kbz_8             #+#    #+#             */
-/*   Updated: 2024/01/10 21:54:35 by maldavid         ###   ########.fr       */
+/*   Updated: 2024/01/18 10:11:02 by maldavid         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -98,7 +98,7 @@ namespace mlx
 			vmaSetAllocationName(_allocator, allocation, name);
 		}
 		#ifdef DEBUG
-			core::error::report(e_kind::message, "Graphics Allocator : created new buffer");
+			core::error::report(e_kind::message, "Graphics Allocator : created new buffer '%s'", name);
 		#endif
 		_active_buffers_allocations++;
 		return allocation;
@@ -128,7 +128,7 @@ namespace mlx
 			vmaSetAllocationName(_allocator, allocation, name);
 		}
 		#ifdef DEBUG
-			core::error::report(e_kind::message, "Graphics Allocator : created new image");
+			core::error::report(e_kind::message, "Graphics Allocator : created new image '%s'", name);
 		#endif
 		_active_images_allocations++;
 		return allocation;

src/renderer/descriptors/vk_descriptor_pool.cpp

@@ -6,7 +6,7 @@
 /*   By: maldavid <kbz_8.dev@akel-engine.com>       +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/01/23 18:34:23 by maldavid          #+#    #+#             */
-/*   Updated: 2024/01/03 13:13:54 by maldavid         ###   ########.fr       */
+/*   Updated: 2024/01/18 10:19:55 by maldavid         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -22,6 +22,7 @@ namespace mlx
 		poolInfo.poolSizeCount = n;
 		poolInfo.pPoolSizes = size;
 		poolInfo.maxSets = 8192;
+		poolInfo.flags = VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT;
 
 		VkResult res = vkCreateDescriptorPool(Render_Core::get().getDevice().get(), &poolInfo, nullptr, &_pool);
 		if(res != VK_SUCCESS)

src/renderer/descriptors/vk_descriptor_pool.h

@@ -6,7 +6,7 @@
 /*   By: maldavid <kbz_8.dev@akel-engine.com>       +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/01/23 18:32:43 by maldavid          #+#    #+#             */
-/*   Updated: 2024/01/03 15:27:45 by maldavid         ###   ########.fr       */
+/*   Updated: 2024/01/18 10:22:20 by maldavid         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -28,6 +28,8 @@ namespace mlx
 			inline VkDescriptorPool& operator()() noexcept { return _pool; }
 			inline VkDescriptorPool& get() noexcept { return _pool; }
 
+			inline bool isInit() const noexcept { return _pool != VK_NULL_HANDLE; }
+
 		private:
 			VkDescriptorPool _pool = VK_NULL_HANDLE;
 	};

src/renderer/descriptors/vk_descriptor_set.cpp

@@ -6,7 +6,7 @@
 /*   By: maldavid <kbz_8.dev@akel-engine.com>       +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/01/23 18:40:44 by maldavid          #+#    #+#             */
-/*   Updated: 2024/01/10 18:28:34 by maldavid         ###   ########.fr       */
+/*   Updated: 2024/01/18 10:22:10 by maldavid         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -106,8 +106,24 @@ namespace mlx
 	{
 		return _desc_set[_renderer->getActiveImageIndex()];
 	}
+
 	VkDescriptorSet& DescriptorSet::get() noexcept
 	{
 		return _desc_set[_renderer->getActiveImageIndex()];
 	}
+
+	void DescriptorSet::destroy() noexcept
+	{
+		MLX_PROFILE_FUNCTION();
+		if(_pool->isInit())
+			vkFreeDescriptorSets(Render_Core::get().getDevice().get(), _pool->get(), _desc_set.size(), _desc_set.data());
+		for(auto& set : _desc_set)
+		{
+			if(set != VK_NULL_HANDLE)
+				set = VK_NULL_HANDLE;
+		}
+		#ifdef DEBUG
+			core::error::report(e_kind::message, "Vulkan : destroyed descriptor set");
+		#endif
+	}
 }

src/renderer/descriptors/vk_descriptor_set.h

@@ -6,7 +6,7 @@
 /*   By: maldavid <kbz_8.dev@akel-engine.com>       +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/01/23 18:39:36 by maldavid          #+#    #+#             */
-/*   Updated: 2024/01/03 15:27:50 by maldavid         ###   ########.fr       */
+/*   Updated: 2024/01/18 10:13:25 by maldavid         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -35,6 +35,8 @@ namespace mlx
 			VkDescriptorSet& operator()() noexcept;
 			VkDescriptorSet& get() noexcept;
 
+			void destroy() noexcept;
+
 		private:
 			std::array<VkDescriptorSet, MAX_FRAMES_IN_FLIGHT> _desc_set;
 			class DescriptorPool* _pool = nullptr;

src/renderer/images/texture.cpp

@@ -6,7 +6,7 @@
 /*   By: maldavid <kbz_8.dev@akel-engine.com>       +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/03/31 18:03:35 by maldavid          #+#    #+#             */
-/*   Updated: 2024/01/11 01:20:29 by maldavid         ###   ########.fr       */
+/*   Updated: 2024/01/18 10:18:22 by maldavid         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -155,6 +155,7 @@ namespace mlx
 	{
 		MLX_PROFILE_FUNCTION();
 		Image::destroy();
+		_set.destroy();
 		if(_buf_map.has_value())
 			_buf_map->destroy();
 		_vbo.destroy();

src/renderer/images/texture_atlas.cpp

@@ -6,7 +6,7 @@
 /*   By: maldavid <kbz_8.dev@akel-engine.com>       +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/04/07 16:40:09 by maldavid          #+#    #+#             */
-/*   Updated: 2023/12/31 00:52:01 by maldavid         ###   ########.fr       */
+/*   Updated: 2024/01/18 10:18:08 by maldavid         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -51,5 +51,6 @@ namespace mlx
 	void TextureAtlas::destroy() noexcept
 	{
 		Image::destroy();
+		_set.destroy();
 	}
 }

src/renderer/images/texture_atlas.h

@@ -6,7 +6,7 @@
 /*   By: maldavid <kbz_8.dev@akel-engine.com>       +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/04/07 16:36:33 by maldavid          #+#    #+#             */
-/*   Updated: 2024/01/08 21:42:31 by maldavid         ###   ########.fr       */
+/*   Updated: 2024/01/18 02:47:30 by maldavid         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -30,7 +30,8 @@ namespace mlx
 			void destroy() noexcept override;
 
 			inline void setDescriptor(DescriptorSet&& set) noexcept { _set = set; }
-			inline VkDescriptorSet getSet() noexcept { return _set.isInit() ? _set.get() : VK_NULL_HANDLE; }
+			inline VkDescriptorSet getVkSet() noexcept { return _set.isInit() ? _set.get() : VK_NULL_HANDLE; }
+			inline DescriptorSet getSet() noexcept { return _set; }
 			inline void updateSet(int binding) noexcept { _set.writeDescriptor(binding, *this); _has_been_updated = true; }
 			inline bool hasBeenUpdated() const noexcept { return _has_been_updated; }
 			inline constexpr void resetUpdate() noexcept { _has_been_updated = false; }

src/renderer/images/vk_image.cpp

@@ -6,7 +6,7 @@
 /*   By: maldavid <kbz_8.dev@akel-engine.com>       +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/01/25 11:59:07 by maldavid          #+#    #+#             */
-/*   Updated: 2024/01/07 01:17:54 by maldavid         ###   ########.fr       */
+/*   Updated: 2024/01/18 09:47:26 by maldavid         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -252,16 +252,16 @@ namespace mlx
 	void Image::destroy() noexcept
 	{
 		// not creating destroyer in `create` as some image may be copied (and so `this` will be invalid)
-		CmdResource::setDestroyer([this]()
+		//CmdResource::setDestroyer([this]()
-		{
+		//{
 			destroySampler();
 			destroyImageView();
 
 			if(_image != VK_NULL_HANDLE)
 				Render_Core::get().getAllocator().destroyImage(_allocation, _image);
 			_image = VK_NULL_HANDLE;
-		});
+		//});
-		CmdResource::requireDestroy();
+		//CmdResource::requireDestroy();
 	}
 
 	uint32_t formatSize(VkFormat format)

src/renderer/texts/font.cpp

@@ -6,7 +6,7 @@
 /*   By: maldavid <kbz_8.dev@akel-engine.com>       +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/12/11 22:06:09 by kbz_8             #+#    #+#             */
-/*   Updated: 2024/01/16 09:11:26 by maldavid         ###   ########.fr       */
+/*   Updated: 2024/01/18 13:16:18 by maldavid         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -19,51 +19,43 @@ constexpr const int RANGE = 1024;
 
 namespace mlx
 {
-	Font::Font(Renderer& renderer, const std::filesystem::path& path, float scale) : _name(path.string()), _scale(scale)
+	Font::Font(Renderer& renderer, const std::filesystem::path& path, float scale) : _name(path.string()), _renderer(renderer), _scale(scale)
 	{
-		MLX_PROFILE_FUNCTION();
+		_build_data = path;
-		std::vector<uint8_t> tmp_bitmap(RANGE * RANGE);
-		std::vector<uint8_t> vulkan_bitmap(RANGE * RANGE * 4);
-
-		std::ifstream file(path, std::ios::binary);
-		if(!file.is_open())
-		{
-			core::error::report(e_kind::error, "Font load : cannot open font file, %s", _name.c_str());
-			return;
-		}
-		std::ifstream::pos_type fileSize = std::filesystem::file_size(path);
-		file.seekg(0, std::ios::beg);
-		std::vector<uint8_t> bytes(fileSize);
-		file.read(reinterpret_cast<char*>(bytes.data()), fileSize);
-		file.close();
-
-		stbtt_pack_context pc;
-		stbtt_PackBegin(&pc, tmp_bitmap.data(), RANGE, RANGE, RANGE, 1, nullptr);
-		stbtt_PackFontRange(&pc, bytes.data(), 0, scale, 32, 96, _cdata.data());
-		stbtt_PackEnd(&pc);
-		for(int i = 0, j = 0; i < RANGE * RANGE; i++, j += 4)
-		{
-			vulkan_bitmap[j + 0] = tmp_bitmap[i];
-			vulkan_bitmap[j + 1] = tmp_bitmap[i];
-			vulkan_bitmap[j + 2] = tmp_bitmap[i];
-			vulkan_bitmap[j + 3] = tmp_bitmap[i];
-		}
-		#ifdef DEBUG
-			_atlas.create(vulkan_bitmap.data(), RANGE, RANGE, VK_FORMAT_R8G8B8A8_UNORM, std::string(_name + "_font_altas").c_str(), true);
-		#else
-			_atlas.create(vulkan_bitmap.data(), RANGE, RANGE, VK_FORMAT_R8G8B8A8_UNORM, nullptr, true);
-		#endif
-		_atlas.setDescriptor(renderer.getFragDescriptorSet().duplicate());
 	}
 
-	Font::Font(class Renderer& renderer, const std::string& name, const std::vector<uint8_t>& ttf_data, float scale) : _name(name), _scale(scale)
+	Font::Font(class Renderer& renderer, const std::string& name, const std::vector<uint8_t>& ttf_data, float scale) : _name(name), _renderer(renderer), _scale(scale)
+	{
+		_build_data = ttf_data;
+	}
+
+	void Font::buildFont()
 	{
 		MLX_PROFILE_FUNCTION();
+		std::vector<uint8_t> file_bytes;
+		if(std::holds_alternative<std::filesystem::path>(_build_data))
+		{
+			std::ifstream file(std::get<std::filesystem::path>(_build_data), std::ios::binary);
+			if(!file.is_open())
+			{
+				core::error::report(e_kind::error, "Font load : cannot open font file, %s", _name.c_str());
+				return;
+			}
+			std::ifstream::pos_type fileSize = std::filesystem::file_size(std::get<std::filesystem::path>(_build_data));
+			file.seekg(0, std::ios::beg);
+			file_bytes.resize(fileSize);
+			file.read(reinterpret_cast<char*>(file_bytes.data()), fileSize);
+			file.close();
+		}
+
 		std::vector<uint8_t> tmp_bitmap(RANGE * RANGE);
 		std::vector<uint8_t> vulkan_bitmap(RANGE * RANGE * 4);
 		stbtt_pack_context pc;
 		stbtt_PackBegin(&pc, tmp_bitmap.data(), RANGE, RANGE, RANGE, 1, nullptr);
-		stbtt_PackFontRange(&pc, ttf_data.data(), 0, scale, 32, 96, _cdata.data());
+		if(std::holds_alternative<std::filesystem::path>(_build_data))
+			stbtt_PackFontRange(&pc, file_bytes.data(), 0, _scale, 32, 96, _cdata.data());
+		else
+			stbtt_PackFontRange(&pc, std::get<std::vector<uint8_t>>(_build_data).data(), 0, _scale, 32, 96, _cdata.data());
 		stbtt_PackEnd(&pc);
 		for(int i = 0, j = 0; i < RANGE * RANGE; i++, j += 4)
 		{
@@ -77,12 +69,20 @@ namespace mlx
 		#else
 			_atlas.create(vulkan_bitmap.data(), RANGE, RANGE, VK_FORMAT_R8G8B8A8_UNORM, nullptr, true);
 		#endif
-		_atlas.setDescriptor(renderer.getFragDescriptorSet().duplicate());
+		_atlas.setDescriptor(_renderer.getFragDescriptorSet().duplicate());
+		_is_init = true;
+	}
+
+	void Font::destroy()
+	{
+		MLX_PROFILE_FUNCTION();
+		_atlas.destroy();
+		_is_init = false;
 	}
 
 	Font::~Font()
 	{
-		MLX_PROFILE_FUNCTION();
+		if(_is_init)
-		_atlas.destroy();
+			destroy();
 	}
 }

src/renderer/texts/font.h

@@ -6,7 +6,7 @@
 /*   By: maldavid <kbz_8.dev@akel-engine.com>       +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/12/11 21:17:04 by kbz_8             #+#    #+#             */
-/*   Updated: 2024/01/16 09:14:53 by maldavid         ###   ########.fr       */
+/*   Updated: 2024/01/18 13:15:55 by maldavid         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -17,28 +17,39 @@
 #include <stb_truetype.h>
 #include <renderer/images/texture_atlas.h>
 #include <utils/combine_hash.h>
+#include <variant>
 
 namespace mlx
 {
 	class Font
 	{
+		friend class FontLibrary;
 		public:
 			Font() = delete;
 			Font(class Renderer& renderer, const std::filesystem::path& path, float scale);
 			Font(class Renderer& renderer, const std::string& name, const std::vector<uint8_t>& ttf_data, float scale);
+
 			inline const std::string& getName() const { return _name; }
 			inline float getScale() const noexcept { return _scale; }
 			inline const std::array<stbtt_packedchar, 96>& getCharData() const { return _cdata; }
 			inline const TextureAtlas& getAtlas() const noexcept { return _atlas; }
 			inline bool operator==(const Font& rhs) const { return rhs._name == _name && rhs._scale == _scale; }
 			inline bool operator!=(const Font& rhs) const { return rhs._name != _name || rhs._scale != _scale; }
+			void destroy();
+
 			~Font();
 
+		private:
+			void buildFont();
+
 		private:
 			std::array<stbtt_packedchar, 96> _cdata;
 			TextureAtlas _atlas;
+			std::variant<std::filesystem::path, std::vector<uint8_t>> _build_data;
 			std::string _name;
+			class Renderer& _renderer;
 			float _scale = 0;
+			bool _is_init = false;
 	};
 }
 

src/renderer/texts/font_library.cpp

@@ -0,0 +1,69 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   font_library.cpp                                   :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: maldavid <kbz_8.dev@akel-engine.com>       +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/01/18 09:28:14 by maldavid          #+#    #+#             */
+/*   Updated: 2024/01/18 13:07:48 by maldavid         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <renderer/texts/font_library.h>
+#include <renderer/texts/font.h>
+#include <core/errors.h>
+#include <renderer/renderer.h>
+#include <algorithm>
+#include <core/profiler.h>
+
+namespace mlx
+{
+	std::shared_ptr<Font> FontLibrary::getFontData(FontID id)
+	{
+		MLX_PROFILE_FUNCTION();
+		if(!_cache.count(id) || std::find(_invalid_ids.begin(), _invalid_ids.end(), id) != _invalid_ids.end())
+			core::error::report(e_kind::fatal_error, "Font Library : wrong font ID '%d'", id);
+		return _cache[id];
+	}
+
+	FontID FontLibrary::addFontToLibrary(std::shared_ptr<Font> font)
+	{
+		MLX_PROFILE_FUNCTION();
+		auto it = std::find_if(_cache.begin(), _cache.end(), [&](const std::pair<FontID, std::shared_ptr<Font>>& v)
+		{
+			return	v.second->getScale() == font->getScale() &&
+					v.second->getName() == font->getName() &&
+					std::find(_invalid_ids.begin(), _invalid_ids.end(), v.first) == _invalid_ids.end();
+		});
+		if(it != _cache.end())
+			return it->first;
+		font->buildFont();
+		_cache[_current_id] = font;
+		_current_id++;
+		return _current_id - 1;
+	}
+
+	void FontLibrary::removeFontFromLibrary(FontID id)
+	{
+		MLX_PROFILE_FUNCTION();
+		if(!_cache.count(id) || std::find(_invalid_ids.begin(), _invalid_ids.end(), id) != _invalid_ids.end())
+		{
+			core::error::report(e_kind::warning, "Font Library : trying to remove a font with an unkown or invalid ID '%d'", id);
+			return;
+		}
+		_cache[id]->destroy();
+		_invalid_ids.push_back(id);
+	}
+
+	void FontLibrary::clearLibrary()
+	{
+		MLX_PROFILE_FUNCTION();
+		for(auto& [id, font] : _cache)
+		{
+			font->destroy();
+			_invalid_ids.push_back(id);
+		}
+		// do not `_cache.clear();` as it releases the fonts and may not destroy the texture atlas that is in use by command buffers
+	}
+}

src/renderer/texts/font_library.h

@@ -0,0 +1,52 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   font_library.h                                     :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: maldavid <kbz_8.dev@akel-engine.com>       +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/01/18 09:26:03 by maldavid          #+#    #+#             */
+/*   Updated: 2024/01/18 09:33:30 by maldavid         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#ifndef __MLX_FONT_LIBRARY__
+#define __MLX_FONT_LIBRARY__
+
+#include <unordered_map>
+#include <memory>
+#include <vector>
+#include <cstdint>
+#include <mlx_profile.h>
+#include <renderer/texts/font.h>
+#include <renderer/core/render_core.h>
+#include <utils/singleton.h>
+
+namespace mlx
+{
+	using FontID = uint32_t;
+	constexpr FontID nullfont = 0;
+
+	class FontLibrary : public Singleton<FontLibrary>
+	{
+		friend class Singleton<FontLibrary>;
+
+		public:
+			std::shared_ptr<class Font> getFontData(FontID id);
+			FontID addFontToLibrary(std::shared_ptr<Font> font);
+			void removeFontFromLibrary(FontID id);
+
+			void clearLibrary();
+
+		private:
+			FontLibrary() = default;
+			~FontLibrary() = default;
+
+		private:
+			std::unordered_map<FontID, std::shared_ptr<class Font>> _cache;
+			std::vector<FontID> _invalid_ids;
+			FontID _current_id = 1;
+	};
+}
+
+#endif

src/renderer/texts/text.cpp

@@ -6,7 +6,7 @@
 /*   By: maldavid <kbz_8.dev@akel-engine.com>       +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/01/11 00:11:56 by maldavid          #+#    #+#             */
-/*   Updated: 2024/01/11 03:31:57 by maldavid         ###   ########.fr       */
+/*   Updated: 2024/01/18 13:56:50 by maldavid         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -16,15 +16,21 @@
 
 namespace mlx
 {
-	void Text::init(std::string text, Font const* font, std::vector<Vertex> vbo_data, std::vector<uint16_t> ibo_data)
+	void Text::init(std::string text, FontID font, std::vector<Vertex> vbo_data, std::vector<uint16_t> ibo_data)
 	{
 		MLX_PROFILE_FUNCTION();
 		_text = std::move(text);
 		_font = font;
 		#ifdef DEBUG
+			std::string debug_name = _text;
+			for(char& c : debug_name)
+			{
+				if(c == ' ' || c == '"' || c == '\'')
+					c = '_';
+			}
 			for(int i = 0; i < MAX_FRAMES_IN_FLIGHT; i++)
-				_vbo[i].create(sizeof(Vertex) * vbo_data.size(), static_cast<const void*>(vbo_data.data()), _text.c_str());
+				_vbo[i].create(sizeof(Vertex) * vbo_data.size(), static_cast<const void*>(vbo_data.data()), debug_name.c_str());
-			_ibo.create(sizeof(uint16_t) * ibo_data.size(), ibo_data.data(), _text.c_str());
+			_ibo.create(sizeof(uint16_t) * ibo_data.size(), ibo_data.data(), debug_name.c_str());
 		#else
 			for(int i = 0; i < MAX_FRAMES_IN_FLIGHT; i++)
 				_vbo[i].create(sizeof(Vertex) * vbo_data.size(), static_cast<const void*>(vbo_data.data()), nullptr);

src/renderer/texts/text.h

@@ -6,7 +6,7 @@
 /*   By: maldavid <kbz_8.dev@akel-engine.com>       +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/01/11 00:09:04 by maldavid          #+#    #+#             */
-/*   Updated: 2024/01/11 00:13:25 by maldavid         ###   ########.fr       */
+/*   Updated: 2024/01/18 09:37:42 by maldavid         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -16,6 +16,7 @@
 #include <string>
 #include <vector>
 #include <renderer/texts/font.h>
+#include <renderer/texts/font_library.h>
 #include <renderer/buffers/vk_ibo.h>
 #include <renderer/buffers/vk_vbo.h>
 
@@ -26,9 +27,9 @@ namespace mlx
 		public:
 			Text() = default;
 
-			void init(std::string text, Font const* font, std::vector<Vertex> vbo_data, std::vector<uint16_t> ibo_data);
+			void init(std::string text, FontID font, std::vector<Vertex> vbo_data, std::vector<uint16_t> ibo_data);
 			void bind(class Renderer& renderer) noexcept;
-			inline const Font& getFontInUse() const noexcept { return *_font; }
+			inline FontID getFontInUse() const noexcept { return _font; }
 			void updateVertexData(int frame, std::vector<Vertex> vbo_data);
 			inline uint32_t getIBOsize() noexcept { return _ibo.getSize(); }
 			inline const std::string& getText() const { return _text; }
@@ -40,7 +41,7 @@ namespace mlx
 			std::array<D_VBO, MAX_FRAMES_IN_FLIGHT> _vbo;
 			C_IBO _ibo;
 			std::string _text;
-			Font const* _font = nullptr;
+			FontID _font = nullfont;
 	};	
 }
 

src/renderer/texts/text_descriptor.cpp

@@ -6,7 +6,7 @@
 /*   By: maldavid <kbz_8.dev@akel-engine.com>       +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/01/11 00:23:11 by maldavid          #+#    #+#             */
-/*   Updated: 2024/01/11 03:40:54 by maldavid         ###   ########.fr       */
+/*   Updated: 2024/01/18 09:44:54 by maldavid         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -33,7 +33,7 @@ namespace mlx
 	TextDrawDescriptor::TextDrawDescriptor(std::string text, uint32_t _color, int _x, int _y) : color(_color), x(_x), y(_y), _text(std::move(text))
 	{}
 
-	void TextDrawDescriptor::init(Font* const font) noexcept
+	void TextDrawDescriptor::init(FontID font) noexcept
 	{
 		MLX_PROFILE_FUNCTION();
 		std::vector<Vertex> vertexData;
@@ -42,34 +42,38 @@ namespace mlx
 		float stb_x = 0.0f;
 		float stb_y = 0.0f;
 
-		for(char c : _text)
 		{
-			if(c < 32)
+			std::shared_ptr<Font> font_data = FontLibrary::get().getFontData(font);
-				continue;
 
-			stbtt_aligned_quad q;
+			for(char c : _text)
-			stbtt_GetPackedQuad(font->getCharData().data(), RANGE, RANGE, c - 32, &stb_x, &stb_y, &q, 1);
+			{
+				if(c < 32)
+					continue;
 
-			std::size_t index = vertexData.size();
+				stbtt_aligned_quad q;
+				stbtt_GetPackedQuad(font_data->getCharData().data(), RANGE, RANGE, c - 32, &stb_x, &stb_y, &q, 1);
 
-			glm::vec4 vertex_color = {
+				std::size_t index = vertexData.size();
-				static_cast<float>((color & 0x000000FF)) / 255.f,
-				static_cast<float>((color & 0x0000FF00) >> 8) / 255.f,
-				static_cast<float>((color & 0x00FF0000) >> 16) / 255.f,
-				static_cast<float>((color & 0xFF000000) >> 24) / 255.f
-			};
 
-			vertexData.emplace_back(glm::vec2{q.x0, q.y0}, vertex_color, glm::vec2{q.s0, q.t0});
+				glm::vec4 vertex_color = {
-			vertexData.emplace_back(glm::vec2{q.x1, q.y0}, vertex_color, glm::vec2{q.s1, q.t0});
+					static_cast<float>((color & 0x000000FF)) / 255.f,
-			vertexData.emplace_back(glm::vec2{q.x1, q.y1}, vertex_color, glm::vec2{q.s1, q.t1});
+					static_cast<float>((color & 0x0000FF00) >> 8) / 255.f,
-			vertexData.emplace_back(glm::vec2{q.x0, q.y1}, vertex_color, glm::vec2{q.s0, q.t1});
+					static_cast<float>((color & 0x00FF0000) >> 16) / 255.f,
+					static_cast<float>((color & 0xFF000000) >> 24) / 255.f
+				};
 
-			indexData.emplace_back(index + 0);
+				vertexData.emplace_back(glm::vec2{q.x0, q.y0}, vertex_color, glm::vec2{q.s0, q.t0});
-			indexData.emplace_back(index + 1);
+				vertexData.emplace_back(glm::vec2{q.x1, q.y0}, vertex_color, glm::vec2{q.s1, q.t0});
-			indexData.emplace_back(index + 2);
+				vertexData.emplace_back(glm::vec2{q.x1, q.y1}, vertex_color, glm::vec2{q.s1, q.t1});
-			indexData.emplace_back(index + 2);
+				vertexData.emplace_back(glm::vec2{q.x0, q.y1}, vertex_color, glm::vec2{q.s0, q.t1});
-			indexData.emplace_back(index + 3);
+
-			indexData.emplace_back(index + 0);
+				indexData.emplace_back(index + 0);
+				indexData.emplace_back(index + 1);
+				indexData.emplace_back(index + 2);
+				indexData.emplace_back(index + 2);
+				indexData.emplace_back(index + 3);
+				indexData.emplace_back(index + 0);
+			}
 		}
 		std::shared_ptr<Text> text_data = std::make_shared<Text>();
 		text_data->init(_text, font, std::move(vertexData), std::move(indexData));
@@ -84,13 +88,14 @@ namespace mlx
 	{
 		MLX_PROFILE_FUNCTION();
 		std::shared_ptr<Text> draw_data = TextLibrary::get().getTextData(id);
-		TextureAtlas& atlas = const_cast<TextureAtlas&>(draw_data->getFontInUse().getAtlas());
+		std::shared_ptr<Font> font_data = FontLibrary::get().getFontData(draw_data->getFontInUse());
+		TextureAtlas& atlas = const_cast<TextureAtlas&>(font_data->getAtlas());
 		draw_data->bind(renderer);
-		if(atlas.getSet() == VK_NULL_HANDLE)
+		if(!atlas.getSet().isInit())
 			atlas.setDescriptor(renderer.getFragDescriptorSet().duplicate());
 		if(!atlas.hasBeenUpdated())
 			atlas.updateSet(0);
-		sets[1] = const_cast<TextureAtlas&>(atlas).getSet();
+		sets[1] = const_cast<TextureAtlas&>(atlas).getVkSet();
 		vkCmdBindDescriptorSets(renderer.getActiveCmdBuffer().get(), VK_PIPELINE_BIND_POINT_GRAPHICS, renderer.getPipeline().getPipelineLayout(), 0, sets.size(), sets.data(), 0, nullptr);
 		atlas.render(renderer, x, y, draw_data->getIBOsize());
 	}
@@ -98,7 +103,8 @@ namespace mlx
 	void TextDrawDescriptor::resetUpdate()
 	{
 		std::shared_ptr<Text> draw_data = TextLibrary::get().getTextData(id);
-		TextureAtlas& atlas = const_cast<TextureAtlas&>(draw_data->getFontInUse().getAtlas());
+		std::shared_ptr<Font> font_data = FontLibrary::get().getFontData(draw_data->getFontInUse());
+		TextureAtlas& atlas = const_cast<TextureAtlas&>(font_data->getAtlas());
 		atlas.resetUpdate();
 	}
 }

src/renderer/texts/text_descriptor.h

@@ -6,7 +6,7 @@
 /*   By: maldavid <kbz_8.dev@akel-engine.com>       +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/01/11 00:13:34 by maldavid          #+#    #+#             */
-/*   Updated: 2024/01/11 04:28:58 by maldavid         ###   ########.fr       */
+/*   Updated: 2024/01/18 09:40:06 by maldavid         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -19,6 +19,7 @@
 #include <utils/combine_hash.h>
 #include <renderer/core/drawable_resource.h>
 #include <renderer/texts/text_library.h>
+#include <renderer/texts/font_library.h>
 #include <array>
 
 namespace mlx
@@ -36,7 +37,7 @@ namespace mlx
 		public:
 			TextDrawDescriptor(std::string text, uint32_t _color, int _x, int _y);
 
-			void init(Font* const font) noexcept;
+			void init(FontID font) noexcept;
 			bool operator==(const TextDrawDescriptor& rhs) const { return _text == rhs._text && x == rhs.x && y == rhs.y && color == rhs.color; }
 			void render(std::array<VkDescriptorSet, 2>& sets, Renderer& renderer) override;
 			void resetUpdate() override;

src/renderer/texts/text_library.cpp

@@ -6,7 +6,7 @@
 /*   By: maldavid <kbz_8.dev@akel-engine.com>       +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/04/10 11:59:57 by maldavid          #+#    #+#             */
-/*   Updated: 2024/01/16 08:54:22 by maldavid         ###   ########.fr       */
+/*   Updated: 2024/01/18 08:02:31 by maldavid         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 

src/renderer/texts/text_manager.cpp

@@ -6,7 +6,7 @@
 /*   By: maldavid <kbz_8.dev@akel-engine.com>       +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/04/06 16:41:13 by maldavid          #+#    #+#             */
-/*   Updated: 2024/01/17 03:47:46 by maldavid         ###   ########.fr       */
+/*   Updated: 2024/01/18 09:45:24 by maldavid         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -29,19 +29,13 @@ namespace mlx
 	void TextManager::loadFont(Renderer& renderer, const std::filesystem::path& filepath, float scale)
 	{
 		MLX_PROFILE_FUNCTION();
-		for(Font& font : _font_set)
+		std::shared_ptr<Font> font;
-		{
-			if(filepath == font.getName() && scale == font.getScale())
-			{
-				_font_in_use = &font;
-				return;
-			}
-		}
-
 		if(filepath.string() == "default")
-			_font_in_use = &_font_set.emplace_back(renderer, "default", dogica_ttf, scale);
+			font = std::make_shared<Font>(renderer, "default", dogica_ttf, scale);
 		else
-			_font_in_use = &_font_set.emplace_back(renderer, filepath, scale);
+			font = std::make_shared<Font>(renderer, filepath, scale);
+
+		_font_in_use = FontLibrary::get().addFontToLibrary(font);
 	}
 
 	std::pair<DrawableResource*, bool> TextManager::registerText(int x, int y, uint32_t color, std::string str)
@@ -55,8 +49,9 @@ namespace mlx
 		}
 
 		auto text_ptr = TextLibrary::get().getTextData(res.first->id);
-		if(*_font_in_use != text_ptr->getFontInUse())
+		if(_font_in_use != text_ptr->getFontInUse())
 		{
+			// TODO : update text vertex buffers rather than destroying it and recreating it
 			TextLibrary::get().removeTextFromLibrary(res.first->id);
 			const_cast<TextDrawDescriptor&>(*res.first).init(_font_in_use);
 		}
@@ -67,6 +62,5 @@ namespace mlx
 	{
 		MLX_PROFILE_FUNCTION();
 		_text_descriptors.clear();
-		_font_set.clear();
 	}
 }

src/renderer/texts/text_manager.h

@@ -6,7 +6,7 @@
 /*   By: maldavid <kbz_8.dev@akel-engine.com>       +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/04/06 16:24:11 by maldavid          #+#    #+#             */
-/*   Updated: 2024/01/16 09:04:05 by maldavid         ###   ########.fr       */
+/*   Updated: 2024/01/18 13:52:01 by maldavid         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -23,6 +23,8 @@
 #include <mlx_profile.h>
 #include <renderer/texts/text_descriptor.h>
 #include <renderer/texts/text_library.h>
+#include <renderer/texts/font_library.h>
+#include <memory>
 
 namespace mlx
 {
@@ -33,7 +35,7 @@ namespace mlx
 
 			void init(Renderer& renderer) noexcept;
 			std::pair<DrawableResource*, bool> registerText(int x, int y, uint32_t color, std::string str);
-			inline void clear() { _text_descriptors.clear(); /*TextLibrary::get().clearLibrary();*/ }
+			inline void clear() { _text_descriptors.clear(); TextLibrary::get().clearLibrary(); }
 			void loadFont(Renderer& renderer, const std::filesystem::path& filepath, float scale);
 			void destroy() noexcept;
 
@@ -41,8 +43,7 @@ namespace mlx
 
 		private:
 			std::unordered_set<TextDrawDescriptor> _text_descriptors;
-			std::vector<Font> _font_set;
+			FontID _font_in_use = nullfont;
-			Font* _font_in_use = nullptr;
 	};
 }