mirror of
https://github.com/libretro/RetroArch.git
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533 lines
15 KiB
C
533 lines
15 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 <string.h>
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#include <string/stdstring.h>
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#include "video_context_driver.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 "../general.h"
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#include "../verbosity.h"
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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_D3D)
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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(HAVE_OPENDINGUX_FBDEV)
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&gfx_ctx_opendingux_fbdev,
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#endif
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#if defined(_WIN32) && (defined(HAVE_OPENGL) || defined(HAVE_VULKAN))
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&gfx_ctx_wgl,
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#endif
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#if defined(HAVE_WAYLAND)
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&gfx_ctx_wayland,
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#endif
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#if defined(HAVE_X11) && !defined(HAVE_OPENGLES)
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#if defined(HAVE_OPENGL) || defined(HAVE_VULKAN)
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&gfx_ctx_x,
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#endif
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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,
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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(HAVE_COCOA) || defined(HAVE_COCOATOUCH)
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&gfx_ctx_cocoagl,
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#endif
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#if defined(__APPLE__) && !defined(TARGET_IPHONE_SIMULATOR) && !defined(TARGET_OS_IPHONE)
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&gfx_ctx_cgl,
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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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#if defined(HAVE_VULKAN) && defined(HAVE_VULKAN_KHR_DISPLAY)
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&gfx_ctx_khr_display,
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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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static const gfx_ctx_driver_t *current_video_context = NULL;
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static void *video_context_data = NULL;
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/**
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* find_video_context_driver_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_video_context_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 (string_is_equal_noncase(ident, gfx_ctx_drivers[i]->ident))
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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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bool video_context_driver_find_prev_driver(void)
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{
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settings_t *settings = config_get_ptr();
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int i = find_video_context_driver_index(
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settings->video.context_driver);
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if (i > 0)
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{
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strlcpy(settings->video.context_driver,
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gfx_ctx_drivers[i - 1]->ident,
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sizeof(settings->video.context_driver));
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return true;
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}
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RARCH_WARN("Couldn't find any previous video context driver.\n");
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return false;
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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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bool video_context_driver_find_next_driver(void)
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{
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settings_t *settings = config_get_ptr();
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int i = find_video_context_driver_index(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(settings->video.context_driver,
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gfx_ctx_drivers[i + 1]->ident,
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sizeof(settings->video.context_driver));
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return true;
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}
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RARCH_WARN("Couldn't find any next video context driver.\n");
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return false;
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}
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/**
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* video_context_driver_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 *video_context_driver_init(
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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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settings_t *settings = config_get_ptr();
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if (ctx->bind_api(data, api, major, minor))
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{
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void *ctx_data = ctx->init(data);
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if (!ctx_data)
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return NULL;
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if (ctx->bind_hw_render)
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ctx->bind_hw_render(ctx_data,
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settings->video.shared_context && hw_render_ctx);
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video_context_driver_set_data(ctx_data);
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return ctx;
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}
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#ifndef _WIN32
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RARCH_WARN("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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#endif
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return NULL;
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}
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/**
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* video_context_driver_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 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 *video_context_driver_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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int i = find_video_context_driver_index(ident);
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if (i >= 0)
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return video_context_driver_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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const gfx_ctx_driver_t *ctx =
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video_context_driver_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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* video_context_driver_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 *video_context_driver_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 video_context_driver_find_driver(data, ident, api,
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major, minor, hw_render_ctx);
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}
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bool video_context_driver_check_window(gfx_ctx_size_t *size_data)
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{
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uint64_t *frame_count = NULL;
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frame_count = video_driver_get_frame_count_ptr();
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if (!video_context_data || !size_data)
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return false;
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if (!current_video_context || !current_video_context->check_window)
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return false;
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current_video_context->check_window(video_context_data,
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size_data->quit,
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size_data->resize,
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size_data->width,
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size_data->height, (unsigned int)*frame_count);
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return true;
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}
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bool video_context_driver_init_image_buffer(const video_info_t *data)
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{
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if (!current_video_context || !current_video_context->image_buffer_init)
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return false;
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if (!current_video_context->image_buffer_init(video_context_data, data))
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return false;
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return true;
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}
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bool video_context_driver_write_to_image_buffer(gfx_ctx_image_t *img)
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{
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if (!current_video_context || !current_video_context->image_buffer_write)
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return false;
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if (!current_video_context->image_buffer_write(video_context_data,
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img->frame, img->width, img->height, img->pitch,
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img->rgb32, img->index, img->handle))
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return false;
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return true;
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}
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bool video_context_driver_get_video_output_prev(void)
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{
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if (!current_video_context
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|| !current_video_context->get_video_output_prev)
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return false;
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current_video_context->get_video_output_prev(video_context_data);
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return true;
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}
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bool video_context_driver_get_video_output_next(void)
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{
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if (!current_video_context ||
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!current_video_context->get_video_output_next)
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return false;
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current_video_context->get_video_output_next(video_context_data);
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return true;
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}
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bool video_context_driver_bind_hw_render(bool *enable)
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{
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if (!current_video_context || !current_video_context->bind_hw_render)
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return false;
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current_video_context->bind_hw_render(video_context_data, *enable);
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return true;
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}
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bool video_context_driver_set(const gfx_ctx_driver_t *data)
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{
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if (!data)
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return false;
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current_video_context = data;
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return true;
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}
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void video_context_driver_destroy(void)
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{
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current_video_context = NULL;
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}
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bool video_context_driver_update_window_title(void)
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{
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if (!current_video_context || !current_video_context->update_window_title)
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return false;
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current_video_context->update_window_title(video_context_data);
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return true;
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}
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bool video_context_driver_swap_buffers(void)
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{
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if (!current_video_context || !current_video_context->swap_buffers)
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return false;
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current_video_context->swap_buffers(video_context_data);
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return true;
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}
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bool video_context_driver_focus(void)
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{
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if (!video_context_data || !current_video_context->has_focus)
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return false;
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if (!current_video_context->has_focus(video_context_data))
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return false;
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return true;
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}
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bool video_context_driver_translate_aspect(gfx_ctx_aspect_t *aspect)
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{
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if (!video_context_data || !aspect)
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return false;
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if (!current_video_context->translate_aspect)
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return false;
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*aspect->aspect = current_video_context->translate_aspect(
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video_context_data, aspect->width, aspect->height);
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return true;
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}
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bool video_context_driver_has_windowed(void)
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{
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if (!video_context_data)
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return false;
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if (!current_video_context->has_windowed(video_context_data))
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return false;
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return true;
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}
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void video_context_driver_free(void)
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{
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if (current_video_context->destroy)
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current_video_context->destroy(video_context_data);
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current_video_context = NULL;
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video_context_data = NULL;
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}
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bool video_context_driver_get_video_output_size(gfx_ctx_size_t *size_data)
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{
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if (!size_data)
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return false;
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if (!current_video_context || !current_video_context->get_video_output_size)
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return false;
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current_video_context->get_video_output_size(video_context_data,
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size_data->width, size_data->height);
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return true;
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}
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bool video_context_driver_swap_interval(unsigned *interval)
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{
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if (!current_video_context || !current_video_context->swap_interval)
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return false;
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current_video_context->swap_interval(video_context_data, *interval);
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return true;
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}
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bool video_context_driver_get_proc_address(gfx_ctx_proc_address_t *proc)
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{
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if (!current_video_context || !current_video_context->get_proc_address)
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return false;
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proc->addr = current_video_context->get_proc_address(proc->sym);
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return true;
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}
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bool video_context_driver_get_metrics(gfx_ctx_metrics_t *metrics)
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{
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if (!current_video_context || !current_video_context->get_metrics)
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return false;
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if (!current_video_context->get_metrics(video_context_data,
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metrics->type,
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metrics->value))
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return false;
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return true;
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}
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bool video_context_driver_input_driver(gfx_ctx_input_t *inp)
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{
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if (!current_video_context || !current_video_context->input_driver)
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return false;
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current_video_context->input_driver(
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video_context_data, inp->input, inp->input_data);
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return true;
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}
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bool video_context_driver_suppress_screensaver(bool *bool_data)
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{
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if (!video_context_data || !current_video_context)
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return false;
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if (!current_video_context->suppress_screensaver(
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video_context_data, *bool_data))
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return false;
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return true;
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}
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bool video_context_driver_get_ident(gfx_ctx_ident_t *ident)
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{
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if (!ident)
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return false;
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ident->ident = NULL;
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if (current_video_context)
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ident->ident = current_video_context->ident;
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return true;
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}
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bool video_context_driver_set_video_mode(gfx_ctx_mode_t *mode_info)
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{
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if (!current_video_context || !current_video_context->set_video_mode)
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return false;
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if (!current_video_context->set_video_mode(
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video_context_data, mode_info->width,
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mode_info->height, mode_info->fullscreen))
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return false;
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return true;
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}
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bool video_context_driver_set_resize(gfx_ctx_mode_t *mode_info)
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{
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if (!current_video_context)
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return false;
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if (!current_video_context->set_resize(
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video_context_data, mode_info->width, mode_info->height))
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return false;
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return true;
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}
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bool video_context_driver_get_video_size(gfx_ctx_mode_t *mode_info)
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{
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if (!current_video_context || !current_video_context->get_video_size)
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return false;
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current_video_context->get_video_size(video_context_data,
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&mode_info->width, &mode_info->height);
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return true;
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}
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bool video_context_driver_get_context_data(void *data)
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{
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if (!current_video_context || !current_video_context->get_context_data)
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return false;
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*(void**)data = current_video_context->get_context_data(video_context_data);
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return true;
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}
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bool video_context_driver_show_mouse(bool *bool_data)
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{
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if (!current_video_context || !current_video_context->show_mouse)
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return false;
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current_video_context->show_mouse(video_context_data, *bool_data);
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return true;
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}
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void video_context_driver_set_data(void *data)
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{
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video_context_data = data;
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}
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bool video_context_driver_get_flags(gfx_ctx_flags_t *flags)
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{
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if (!flags)
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return false;
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if (!current_video_context || !current_video_context->get_flags)
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return false;
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flags->flags = current_video_context->get_flags(video_context_data);
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|
return true;
|
|
}
|
|
|
|
bool video_context_driver_set_flags(gfx_ctx_flags_t *flags)
|
|
{
|
|
if (!flags)
|
|
return false;
|
|
if (!current_video_context || !current_video_context->set_flags)
|
|
return false;
|
|
current_video_context->set_flags(video_context_data, flags->flags);
|
|
return true;
|
|
}
|