From 8c2f35bd1f18b62fff609f3a7d77d4e85b706916 Mon Sep 17 00:00:00 2001 From: Aldrik Ramaekers Date: Wed, 5 Feb 2020 18:58:55 +0100 Subject: refactor --- src/assets.c | 312 ----------------------------------------------------------- 1 file changed, 312 deletions(-) delete mode 100644 src/assets.c (limited to 'src/assets.c') diff --git a/src/assets.c b/src/assets.c deleted file mode 100644 index 0ba6192..0000000 --- a/src/assets.c +++ /dev/null @@ -1,312 +0,0 @@ -/* -* BSD 2-Clause “Simplified” License -* Copyright (c) 2019, Aldrik Ramaekers, aldrik.ramaekers@protonmail.com -* All rights reserved. -*/ - -void assets_create() -{ - assets asset_collection; - asset_collection.images = array_create(sizeof(image)); - asset_collection.fonts = array_create(sizeof(font)); - - array_reserve(&asset_collection.images, ASSET_IMAGE_COUNT); - array_reserve(&asset_collection.fonts, ASSET_FONT_COUNT); - - asset_collection.queue.queue = array_create(sizeof(asset_task)); - asset_collection.post_process_queue = array_create(sizeof(asset_task)); - - array_reserve(&asset_collection.queue.queue, ASSET_QUEUE_COUNT); - array_reserve(&asset_collection.post_process_queue, ASSET_QUEUE_COUNT); - - asset_mutex = mutex_create(); - asset_collection.valid = true; - asset_collection.done_loading_assets = false; - - global_asset_collection = asset_collection; -} - -inline static bool is_big_endian() -{ - volatile uint32_t i=0x01234567; - // return 1 for big endian, 0 for little endian. - return !((*((uint8_t*)(&i))) == 0x67); -} - -void assets_do_post_process() -{ - mutex_lock(&asset_mutex); - - for (int i = 0; i < global_asset_collection.post_process_queue.length; i++) - { - asset_task *task = array_at(&global_asset_collection.post_process_queue, i); - - if (task->type == ASSET_IMAGE) - { - if (task->image->data && task->valid) - { - glGenTextures(1, &task->image->textureID); - glBindTexture(GL_TEXTURE_2D, task->image->textureID); - - s32 flag = is_big_endian() ? GL_UNSIGNED_INT_8_8_8_8 : - GL_UNSIGNED_INT_8_8_8_8_REV; - - glTexImage2D(GL_TEXTURE_2D, 0,GL_RGBA8, task->image->width, - task->image->height, 0, GL_RGBA, flag, task->image->data); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); - task->image->loaded = true; - - if (!task->image->keep_in_memory) - stbi_image_free(task->image->data); - } - } - else if (task->type == ASSET_FONT) - { - if (task->valid) - { - for (s32 i = TEXT_CHARSET_START; i < TEXT_CHARSET_END; i++) - { - glyph *g = &task->font->glyphs[i]; - - glGenTextures(1, &g->textureID); - glBindTexture(GL_TEXTURE_2D, g->textureID); - - glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST ); - glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST ); - glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE ); - glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE ); - glPixelStorei(GL_UNPACK_ALIGNMENT, 1); - glTexImage2D( GL_TEXTURE_2D, 0, GL_ALPHA, g->width,g->height, - 0, GL_ALPHA, GL_UNSIGNED_BYTE, g->bitmap ); - - mem_free(g->bitmap); - } - - task->font->loaded = true; - } - } - - array_remove_at(&global_asset_collection.post_process_queue, i); - } - - mutex_unlock(&asset_mutex); -} - -bool assets_queue_worker_load_image(image *image) -{ - set_active_directory(binary_path); - - image->data = stbi_load_from_memory(image->start_addr, - image->end_addr - image->start_addr, - &image->width, - &image->height, - &image->channels, - STBI_rgb_alpha); - - return !(image->data == 0); -} - -bool assets_queue_worker_load_font(font *font) -{ - unsigned char *ttf_buffer = (unsigned char*)font->start_addr; - - stbtt_fontinfo info; - if (!stbtt_InitFont(&info, ttf_buffer, stbtt_GetFontOffsetForIndex(ttf_buffer,0))) - { - return false; - } - float scale = stbtt_ScaleForPixelHeight(&info, font->size); - - for (s32 i = TEXT_CHARSET_START; i < TEXT_CHARSET_END; i++) - { - s32 w, h, xoff, yoff; - - glyph new_glyph; - new_glyph.bitmap = stbtt_GetCodepointBitmap(&info, 0, scale, i, &w, &h, &xoff, &yoff); - new_glyph.width = w; - new_glyph.height = h; - new_glyph.xoff = xoff; - new_glyph.yoff = yoff; - - if (i == 'M') font->px_h = -yoff; - - font->glyphs[i-TEXT_CHARSET_START] = new_glyph; - } - - font->info = info; - font->scale = scale; - - return true; -} - -void *assets_queue_worker() -{ - while (global_asset_collection.valid && !global_asset_collection.done_loading_assets) - { - if (mutex_trylock(&asset_mutex)) - { - int queue_length = global_asset_collection.queue.queue.length; - if (!queue_length) - { - mutex_unlock(&asset_mutex); - continue; - } - - asset_task *task = array_at(&global_asset_collection.queue.queue, 0); - asset_task buf = *task; - array_remove_at(&global_asset_collection.queue.queue, 0); - mutex_unlock(&asset_mutex); - - // load here - if (buf.type == ASSET_IMAGE) - { - bool result = assets_queue_worker_load_image(buf.image); - buf.valid = result; - } - else if (buf.type == ASSET_FONT) - { - bool result = assets_queue_worker_load_font(buf.font); - buf.valid = result; - } - - mutex_lock(&asset_mutex); - - assert(global_asset_collection.post_process_queue.reserved_length > - global_asset_collection.post_process_queue.length); - - array_push(&global_asset_collection.post_process_queue, &buf); - mutex_unlock(&asset_mutex); - } - - // 3 ms - thread_sleep(3000); - } - - return 0; -} - -image *assets_load_image(u8 *start_addr, u8 *end_addr, bool keep_in_memory) -{ - // check if image is already loaded or loading - for (int i = 0; i < global_asset_collection.images.length; i++) - { - image *img_at = array_at(&global_asset_collection.images, i); - - if (start_addr == img_at->start_addr) - { - // image is already loaded/loading - img_at->references++; - return img_at; - } - } - - image new_image; - new_image.loaded = false; - new_image.start_addr = start_addr; - new_image.end_addr = end_addr; - new_image.references = 1; - new_image.keep_in_memory = keep_in_memory; - - // NOTE(Aldrik): we should never realloc the image array because pointers will be - // invalidated. - assert(global_asset_collection.images.reserved_length > global_asset_collection.images.length); - - int index = array_push(&global_asset_collection.images, &new_image); - - asset_task task; - task.type = ASSET_IMAGE; - task.image = array_at(&global_asset_collection.images, index); - - mutex_lock(&asset_mutex); - array_push(&global_asset_collection.queue.queue, &task); - mutex_unlock(&asset_mutex); - - return task.image; -} - -void assets_destroy_image(image *image_to_destroy) -{ - if (image_to_destroy->references == 1) - { - glBindTexture(GL_TEXTURE_2D, 0); - glDeleteTextures(1, &image_to_destroy->textureID); - - if (image_to_destroy->keep_in_memory) - stbi_image_free(image_to_destroy->data); - - //array_remove(&global_asset_collection.images, image_at); - } - else - { - image_to_destroy->references--; - } -} - -font *assets_load_font(u8 *start_addr, u8 *end_addr, s16 size) -{ - //assert(!(size % 4)); - for (int i = 0; i < global_asset_collection.fonts.length; i++) - { - font *font_at = array_at(&global_asset_collection.fonts, i); - - if (start_addr == font_at->start_addr && font_at->size == size) - { - // font is already loaded/loading - font_at->references++; - return font_at; - } - } - - font new_font; - new_font.loaded = false; - new_font.start_addr = start_addr; - new_font.end_addr = end_addr; - new_font.size = size; - new_font.references = 1; - - // NOTE(Aldrik): we should never realloc the font array because pointers will be - // invalidated. - assert(global_asset_collection.fonts.reserved_length > global_asset_collection.fonts.length); - - int index = array_push(&global_asset_collection.fonts, &new_font); - - asset_task task; - task.type = ASSET_FONT; - task.font = array_at(&global_asset_collection.fonts, index); - - mutex_lock(&asset_mutex); - array_push(&global_asset_collection.queue.queue, &task); - mutex_unlock(&asset_mutex); - - return task.font; -} - -void assets_destroy_font(font *font_to_destroy) -{ - if (font_to_destroy->references == 1) - { - //glBindTexture(GL_TEXTURE_2D, 0); - //glDeleteTextures(1, font_to_destroy->textureIDs); - } - else - { - font_to_destroy->references--; - } -} - -void assets_destroy() -{ - global_asset_collection.valid = false; - global_asset_collection.done_loading_assets = false; - - array_destroy(&global_asset_collection.images); - array_destroy(&global_asset_collection.fonts); - - array_destroy(&global_asset_collection.queue.queue); - array_destroy(&global_asset_collection.post_process_queue); - - mem_free(binary_path); - - mutex_destroy(&asset_mutex); -} -- cgit v1.2.3-70-g09d2