mirror of
https://github.com/libretro/RetroArch.git
synced 2024-10-08 15:13:24 +00:00
229 lines
6.8 KiB
C
229 lines
6.8 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2015 - 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 "../general.h"
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#include "gfx_context.h"
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#include "../general.h"
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#include <string.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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static const gfx_ctx_driver_t *gfx_ctx_drivers[] = {
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#if defined(__CELLOS_LV2__)
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&gfx_ctx_ps3,
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#endif
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#if defined(HAVE_WIN32_D3D9) || defined(_XBOX)
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&gfx_ctx_d3d,
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#endif
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#if defined(HAVE_VIDEOCORE)
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&gfx_ctx_videocore,
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#endif
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#if defined(HAVE_MALI_FBDEV)
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&gfx_ctx_mali_fbdev,
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#endif
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#if defined(HAVE_VIVANTE_FBDEV)
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&gfx_ctx_vivante_fbdev,
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#endif
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#if defined(_WIN32) && defined(HAVE_OPENGL)
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&gfx_ctx_wgl,
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#endif
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#if defined(HAVE_X11) && defined(HAVE_OPENGL) && !defined(HAVE_OPENGLES)
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&gfx_ctx_glx,
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#endif
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#if defined(HAVE_WAYLAND) && defined(HAVE_OPENGL) && defined(HAVE_EGL)
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&gfx_ctx_wayland,
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#endif
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#if defined(HAVE_X11) && defined(HAVE_OPENGL) && defined(HAVE_EGL)
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&gfx_ctx_x_egl,
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#endif
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#if defined(HAVE_KMS)
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&gfx_ctx_drm_egl,
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#endif
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#if defined(ANDROID)
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&gfx_ctx_android,
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#endif
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#if defined(__QNX__)
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&gfx_ctx_bbqnx,
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#endif
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#if defined(IOS) || defined(OSX)
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/* Don't use __APPLE__ as it breaks basic SDL builds. */
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&gfx_ctx_apple,
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#endif
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#if (defined(HAVE_SDL) || defined(HAVE_SDL2)) && defined(HAVE_OPENGL)
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&gfx_ctx_sdl_gl,
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#endif
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#ifdef EMSCRIPTEN
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&gfx_ctx_emscripten,
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#endif
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&gfx_ctx_null,
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NULL
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};
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/**
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* find_gfx_ctx_driver_index:
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* @ident : Identifier of resampler driver to find.
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*
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* Finds graphics context driver index by @ident name.
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*
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* Returns: graphics context driver index if driver was found, otherwise
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* -1.
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**/
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static int find_gfx_ctx_driver_index(const char *ident)
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{
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unsigned i;
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for (i = 0; gfx_ctx_drivers[i]; i++)
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if (strcasecmp(ident, gfx_ctx_drivers[i]->ident) == 0)
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return i;
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return -1;
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}
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/**
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* find_prev_context_driver:
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*
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* Finds previous driver in graphics context driver array.
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**/
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void find_prev_gfx_context_driver(void)
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{
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int i = find_gfx_ctx_driver_index(g_settings.video.context_driver);
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if (i > 0)
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{
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strlcpy(g_settings.video.context_driver, gfx_ctx_drivers[i - 1]->ident,
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sizeof(g_settings.video.context_driver));
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}
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else
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RARCH_WARN("Couldn't find any previous video context driver.\n");
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}
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/**
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* find_next_context_driver:
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*
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* Finds next driver in graphics context driver array.
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**/
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void find_next_context_driver(void)
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{
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int i = find_gfx_ctx_driver_index(g_settings.video.context_driver);
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if (i >= 0 && gfx_ctx_drivers[i + 1])
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{
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strlcpy(g_settings.video.context_driver, gfx_ctx_drivers[i + 1]->ident,
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sizeof(g_settings.video.context_driver));
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}
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else
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RARCH_WARN("Couldn't find any next video context driver.\n");
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}
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/**
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* gfx_ctx_init:
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* @data : Input data.
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* @ctx : Graphics context driver to initialize.
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* @ident : Identifier of graphics context driver to find.
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* @api : API of higher-level graphics API.
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* @major : Major version number of higher-level graphics API.
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* @minor : Minor version number of higher-level graphics API.
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* @hw_render_ctx : Request a graphics context driver capable of
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* hardware rendering?
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*
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* Initialize graphics context driver.
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*
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* Returns: graphics context driver if successfully initialized, otherwise NULL.
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**/
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static const gfx_ctx_driver_t *gfx_ctx_init(void *data,
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const gfx_ctx_driver_t *ctx,
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const char *ident,
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enum gfx_ctx_api api, unsigned major,
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unsigned minor, bool hw_render_ctx)
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{
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if (ctx->bind_api(data, api, major, minor))
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{
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bool initialized = ctx->init(data);
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if (!initialized)
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return NULL;
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if (ctx->bind_hw_render)
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ctx->bind_hw_render(data,
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g_settings.video.shared_context && hw_render_ctx);
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return ctx;
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}
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RARCH_ERR("Failed to bind API (#%u, version %u.%u) on context driver \"%s\".\n",
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(unsigned)api, major, minor, ctx->ident);
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return NULL;
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}
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/**
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* gfx_ctx_find_driver:
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* @data : Input data.
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* @ident : Identifier of graphics context driver to find.
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* @api : API of higher-level graphics API.
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* @major : Major version number of higher-level graphics API.
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* @minor : Minor version number of higher-level graphics API.
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* @hw_render_ctx : Request a graphics context driver capable of
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* hardware rendering?
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*
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* Finds first suitable graphics context driver and initializes.
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*
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* Returns: graphics context driver if found, otherwise NULL.
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**/
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static const gfx_ctx_driver_t *gfx_ctx_find_driver(void *data,
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const char *ident,
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enum gfx_ctx_api api, unsigned major,
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unsigned minor, bool hw_render_ctx)
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{
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const gfx_ctx_driver_t *ctx = NULL;
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int i = find_gfx_ctx_driver_index(ident);
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if (i >= 0)
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return gfx_ctx_init(data, gfx_ctx_drivers[i], ident,
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api, major, minor, hw_render_ctx);
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for (i = 0; gfx_ctx_drivers[i]; i++)
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{
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ctx = gfx_ctx_init(data, gfx_ctx_drivers[i], ident,
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api, major, minor, hw_render_ctx);
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if (ctx)
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return ctx;
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}
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return NULL;
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}
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/**
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* gfx_ctx_init_first:
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* @data : Input data.
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* @ident : Identifier of graphics context driver to find.
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* @api : API of higher-level graphics API.
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* @major : Major version number of higher-level graphics API.
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* @minor : Minor version number of higher-level graphics API.
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* @hw_render_ctx : Request a graphics context driver capable of
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* hardware rendering?
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*
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* Finds first suitable graphics context driver and initializes.
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*
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* Returns: graphics context driver if found, otherwise NULL.
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**/
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const gfx_ctx_driver_t *gfx_ctx_init_first(void *data,
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const char *ident, enum gfx_ctx_api api, unsigned major,
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unsigned minor, bool hw_render_ctx)
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{
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return gfx_ctx_find_driver(data, ident, api, major, minor, hw_render_ctx);
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}
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