mirror of
https://github.com/libretro/RetroArch.git
synced 2024-11-27 18:20:27 +00:00
291 lines
7.2 KiB
C
291 lines
7.2 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 "../general.h"
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#include "../verbosity.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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&stb_font_renderer,
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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 const struct font_renderer *font_osd_driver;
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static void *font_osd_data;
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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_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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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_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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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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bool font_driver_has_render_msg(void)
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{
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const font_renderer_t *font_ctx = font_osd_driver;
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if (!font_ctx || !font_ctx->render_msg)
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return false;
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return true;
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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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const font_renderer_t *font_ctx = font_osd_driver;
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if (font_ctx->render_msg)
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font_ctx->render_msg(font_data
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? font_data : font_osd_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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const font_renderer_t *font_ctx = font_osd_driver;
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void *new_font_data = font_data
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? font_data : font_osd_data;
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if (font_ctx->bind_block)
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font_ctx->bind_block(new_font_data, block);
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}
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void font_driver_flush(void *data)
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{
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const font_renderer_t *font_ctx = font_osd_driver;
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if (font_ctx->flush)
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font_ctx->flush(data);
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}
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int font_driver_get_message_width(void *data,
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const char *msg, unsigned len, float scale)
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{
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const font_renderer_t *font_ctx = font_osd_driver;
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if (!font_ctx || !font_ctx->get_message_width)
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return -1;
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return font_ctx->get_message_width(data, msg, len, scale);
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}
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void font_driver_free(void *data)
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{
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const font_renderer_t *font_ctx =
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(const font_renderer_t*)font_osd_driver;
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if (font_ctx->free)
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font_ctx->free(data ? data : font_osd_data);
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if (data)
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return;
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font_osd_data = NULL;
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font_osd_driver = NULL;
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}
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bool font_driver_init_first(
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const void **font_driver, void **font_handle,
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void *data, const char *font_path, float font_size,
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bool threading_hint,
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enum font_driver_render_api api)
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{
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const void **new_font_driver = font_driver ? font_driver
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: (const void**)&font_osd_driver;
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void **new_font_handle = font_handle ? font_handle
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: (void**)&font_osd_data;
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#ifdef HAVE_THREADS
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settings_t *settings = config_get_ptr();
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const struct retro_hw_render_callback *hw_render =
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(const struct retro_hw_render_callback*)video_driver_callback();
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if (threading_hint && settings->video.threaded && !hw_render->context_type)
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return rarch_threaded_video_font_init(new_font_driver, new_font_handle,
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data, font_path, font_size, api, font_init_first);
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#endif
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return font_init_first(new_font_driver, new_font_handle,
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data, font_path, font_size, api);
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}
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