mirror of
https://github.com/libretro/RetroArch
synced 2025-02-15 09:40:11 +00:00
017d9cea9d
When using threaded video and shared context Threaded video gets disabled for GL contexts, so you can't rely on the settings value
418 lines
10 KiB
C
418 lines
10 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2016 - Daniel De Matteis
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "font_driver.h"
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#include "video_thread_wrapper.h"
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#include "../configuration.h"
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#include "../verbosity.h"
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#ifdef HAVE_CONFIG_H
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#include "../config.h"
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#endif
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#include <stdlib.h>
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static const font_renderer_driver_t *font_backends[] = {
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#ifdef HAVE_FREETYPE
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&freetype_font_renderer,
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#endif
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#if defined(__APPLE__) && defined(HAVE_CORETEXT)
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&coretext_font_renderer,
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#endif
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#ifdef HAVE_STB_FONT
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#if defined(VITA) || defined(ANDROID) || defined(_WIN32) && !defined(_XBOX)
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&stb_unicode_font_renderer,
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#else
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&stb_font_renderer,
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#endif
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#endif
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&bitmap_font_renderer,
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NULL
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};
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static void *g_osd_font;
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int font_renderer_create_default(const void **data, void **handle,
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const char *font_path, unsigned font_size)
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{
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unsigned i;
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const font_renderer_driver_t **drv =
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(const font_renderer_driver_t**)data;
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for (i = 0; font_backends[i]; i++)
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{
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const char *path = font_path;
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if (!path)
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path = font_backends[i]->get_default_font();
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if (!path)
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continue;
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*handle = font_backends[i]->init(path, font_size);
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if (*handle)
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{
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RARCH_LOG("Using font rendering backend: %s.\n",
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font_backends[i]->ident);
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*drv = font_backends[i];
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return 1;
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}
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else
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RARCH_ERR("Failed to create rendering backend: %s.\n",
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font_backends[i]->ident);
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}
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*drv = NULL;
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*handle = NULL;
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return 0;
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}
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#ifdef HAVE_D3D
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static const font_renderer_t *d3d_font_backends[] = {
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#if defined(_XBOX1)
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&d3d_xdk1_font,
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#elif defined(_XBOX360)
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&d3d_xbox360_font,
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#elif defined(_WIN32)
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&d3d_win32_font,
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#endif
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};
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static bool d3d_font_init_first(
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const void **font_driver, void **font_handle,
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void *video_data, const char *font_path, float font_size)
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{
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unsigned i;
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for (i = 0; i < ARRAY_SIZE(d3d_font_backends); i++)
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{
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void *data = d3d_font_backends[i]->init(
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video_data, font_path, font_size);
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if (!data)
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continue;
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*font_driver = d3d_font_backends[i];
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*font_handle = data;
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return true;
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}
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return false;
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}
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#endif
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#ifdef HAVE_OPENGL
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static const font_renderer_t *gl_font_backends[] = {
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&gl_raster_font,
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#if defined(HAVE_LIBDBGFONT)
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&libdbg_font,
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#endif
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NULL,
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};
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static bool gl_font_init_first(
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const void **font_driver, void **font_handle,
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void *video_data, const char *font_path, float font_size)
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{
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unsigned i;
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for (i = 0; gl_font_backends[i]; i++)
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{
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void *data = gl_font_backends[i]->init(
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video_data, font_path, font_size);
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if (!data)
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continue;
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*font_driver = gl_font_backends[i];
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*font_handle = data;
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return true;
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}
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return false;
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}
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#endif
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#ifdef HAVE_CACA
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static const font_renderer_t *caca_font_backends[] = {
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&caca_font,
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NULL,
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};
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static bool caca_font_init_first(
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const void **font_driver, void **font_handle,
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void *video_data, const char *font_path, float font_size)
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{
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unsigned i;
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for (i = 0; caca_font_backends[i]; i++)
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{
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void *data = caca_font_backends[i]->init(
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video_data, font_path, font_size);
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if (!data)
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continue;
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*font_driver = caca_font_backends[i];
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*font_handle = data;
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return true;
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}
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return false;
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}
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#endif
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#ifdef HAVE_VULKAN
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static const font_renderer_t *vulkan_font_backends[] = {
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&vulkan_raster_font,
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NULL,
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};
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static bool vulkan_font_init_first(
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const void **font_driver, void **font_handle,
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void *video_data, const char *font_path, float font_size)
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{
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unsigned i;
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for (i = 0; vulkan_font_backends[i]; i++)
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{
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void *data = vulkan_font_backends[i]->init(video_data, font_path, font_size);
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if (!data)
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continue;
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*font_driver = vulkan_font_backends[i];
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*font_handle = data;
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return true;
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}
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return false;
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}
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#endif
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#ifdef HAVE_VITA2D
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static const font_renderer_t *vita2d_font_backends[] = {
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&vita2d_vita_font
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};
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static bool vita2d_font_init_first(
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const void **font_driver, void **font_handle,
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void *video_data, const char *font_path, float font_size)
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{
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unsigned i;
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for (i = 0; vita2d_font_backends[i]; i++)
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{
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void *data = vita2d_font_backends[i]->init(
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video_data, font_path, font_size);
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if (!data)
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continue;
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*font_driver = vita2d_font_backends[i];
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*font_handle = data;
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return true;
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}
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return false;
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}
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#endif
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#ifdef _3DS
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static const font_renderer_t *ctr_font_backends[] = {
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&ctr_font
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};
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static bool ctr_font_init_first(
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const void **font_driver, void **font_handle,
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void *video_data, const char *font_path, float font_size)
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{
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unsigned i;
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for (i = 0; ctr_font_backends[i]; i++)
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{
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void *data = ctr_font_backends[i]->init(
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video_data, font_path, font_size);
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if (!data)
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continue;
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*font_driver = ctr_font_backends[i];
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*font_handle = data;
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return true;
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}
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return false;
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}
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#endif
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static bool font_init_first(
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const void **font_driver, void **font_handle,
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void *video_data, const char *font_path, float font_size,
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enum font_driver_render_api api)
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{
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if (font_path && !font_path[0])
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font_path = NULL;
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switch (api)
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{
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#ifdef HAVE_D3D
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case FONT_DRIVER_RENDER_DIRECT3D_API:
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return d3d_font_init_first(font_driver, font_handle,
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video_data, font_path, font_size);
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#endif
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#ifdef HAVE_OPENGL
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case FONT_DRIVER_RENDER_OPENGL_API:
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return gl_font_init_first(font_driver, font_handle,
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video_data, font_path, font_size);
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#endif
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#ifdef HAVE_VULKAN
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case FONT_DRIVER_RENDER_VULKAN_API:
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return vulkan_font_init_first(font_driver, font_handle,
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video_data, font_path, font_size);
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#endif
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#ifdef HAVE_VITA2D
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case FONT_DRIVER_RENDER_VITA2D:
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return vita2d_font_init_first(font_driver, font_handle,
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video_data, font_path, font_size);
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#endif
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#ifdef _3DS
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case FONT_DRIVER_RENDER_CTR:
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return ctr_font_init_first(font_driver, font_handle,
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video_data, font_path, font_size);
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#endif
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#ifdef HAVE_CACA
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case FONT_DRIVER_RENDER_CACA:
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return caca_font_init_first(font_driver, font_handle,
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video_data, font_path, font_size);
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#endif
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case FONT_DRIVER_RENDER_DONT_CARE:
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/* TODO/FIXME - lookup graphics driver's 'API' */
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break;
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default:
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break;
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}
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return false;
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}
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void font_driver_render_msg(void *font_data,
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const char *msg, const struct font_params *params)
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{
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font_data_t *font = (font_data_t*)(font_data ? font_data : g_osd_font);
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if (font && font->renderer && font->renderer->render_msg)
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font->renderer->render_msg(font->renderer_data, msg, params);
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}
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void font_driver_bind_block(void *font_data, void *block)
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{
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font_data_t *font = (font_data_t*)(font_data ? font_data : g_osd_font);
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if (font && font->renderer && font->renderer->bind_block)
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font->renderer->bind_block(font->renderer_data, block);
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}
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void font_driver_flush(void *font_data)
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{
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font_data_t *font = (font_data_t*)(font_data ? font_data : g_osd_font);
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if (font && font->renderer && font->renderer->flush)
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font->renderer->flush(font->renderer_data);
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}
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int font_driver_get_message_width(void *font_data,
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const char *msg, unsigned len, float scale)
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{
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font_data_t *font = (font_data_t*)(font_data ? font_data : g_osd_font);
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if (font && font->renderer && font->renderer->get_message_width)
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return font->renderer->get_message_width(font->renderer_data, msg, len, scale);
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return -1;
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}
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void font_driver_free(void *font_data)
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{
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font_data_t *font = (font_data_t*)font_data;
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if (font)
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{
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if (font->renderer && font->renderer->free)
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font->renderer->free(font->renderer_data);
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font->renderer = NULL;
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font->renderer_data = NULL;
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free(font);
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}
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}
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font_data_t *font_driver_init_first(
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void *video_data, const char *font_path, float font_size,
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bool threading_hint, enum font_driver_render_api api)
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{
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const void *font_driver;
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void *font_handle;
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bool ok = false;
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#ifdef HAVE_THREADS
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settings_t *settings = config_get_ptr();
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if (threading_hint
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&& video_driver_is_threaded()
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&& !video_driver_is_hw_context())
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ok = video_thread_font_init(&font_driver, &font_handle,
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video_data, font_path, font_size, api, font_init_first);
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else
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#endif
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ok = font_init_first(&font_driver, &font_handle,
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video_data, font_path, font_size, api);
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if (ok)
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{
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font_data_t *font = (font_data_t*)calloc(1, sizeof(*font));
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font->renderer = (const font_renderer_t*)font_driver;
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font->renderer_data = font_handle;
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font->size = font_size;
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return font;
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}
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return NULL;
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}
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void font_driver_init_osd(void *video_data, bool threading_hint, enum font_driver_render_api api)
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{
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if (!g_osd_font)
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{
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settings_t *settings = config_get_ptr();
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g_osd_font = font_driver_init_first(video_data,
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*settings->path.font ? settings->path.font : NULL,
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settings->video.font_size, threading_hint, api);
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if (!g_osd_font)
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RARCH_ERR("[font]: Failed to initialize OSD font.\n");
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}
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}
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void font_driver_free_osd(void)
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{
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if (g_osd_font)
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font_driver_free(g_osd_font);
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g_osd_font = NULL;
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}
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