mirror of
https://github.com/CTCaer/RetroArch.git
synced 2024-12-24 11:45:16 +00:00
457 lines
10 KiB
C
457 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) 2011-2015 - 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 "../../driver.h"
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#include "../../runloop.h"
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#include "../drivers/gl_common.h"
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#include "../video_monitor.h"
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#include "SDL.h"
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static enum gfx_ctx_api g_api = GFX_CTX_OPENGL_API;
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static unsigned g_major = 2;
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static unsigned g_minor = 1;
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typedef struct gfx_ctx_sdl_data
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{
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int g_width;
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int g_height;
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int g_new_width;
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int g_new_height;
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bool g_full;
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bool g_resized;
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int g_frame_count;
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#ifdef HAVE_SDL2
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SDL_Window *g_win;
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SDL_GLContext g_ctx;
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#else
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SDL_Surface *g_win;
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#endif
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} gfx_ctx_sdl_data_t;
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static void sdl_ctx_destroy_resources(gfx_ctx_sdl_data_t *sdl)
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{
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if (!sdl)
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return;
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#ifdef HAVE_SDL2
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if (sdl->g_ctx)
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SDL_GL_DeleteContext(sdl->g_ctx);
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if (sdl->g_win)
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SDL_DestroyWindow(sdl->g_win);
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sdl->g_ctx = NULL;
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#else
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if (sdl->g_win)
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SDL_FreeSurface(sdl->g_win);
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#endif
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sdl->g_win = NULL;
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SDL_QuitSubSystem(SDL_INIT_VIDEO);
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}
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static bool sdl_ctx_init(void *data)
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{
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gfx_ctx_sdl_data_t *sdl = NULL;
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driver_t *driver = driver_get_ptr();
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(void)data;
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sdl = (gfx_ctx_sdl_data_t*)
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calloc(1, sizeof(gfx_ctx_sdl_data_t));
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if (!sdl)
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return false;
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#ifdef HAVE_X11
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XInitThreads();
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#endif
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if (SDL_WasInit(0) == 0)
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{
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if (SDL_Init(SDL_INIT_VIDEO) < 0)
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goto error;
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}
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else if (SDL_InitSubSystem(SDL_INIT_VIDEO) < 0)
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goto error;
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RARCH_LOG("[SDL_GL] SDL %i.%i.%i gfx context driver initialized.\n",
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SDL_MAJOR_VERSION, SDL_MINOR_VERSION, SDL_PATCHLEVEL);
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driver->video_context_data = sdl;
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return true;
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error:
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RARCH_WARN("[SDL_GL]: Failed to initialize SDL gfx context driver: %s\n",
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SDL_GetError());
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sdl_ctx_destroy_resources(sdl);
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if (sdl)
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free(sdl);
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return false;
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}
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static void sdl_ctx_destroy(void *data)
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{
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driver_t *driver = driver_get_ptr();
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gfx_ctx_sdl_data_t *sdl = (gfx_ctx_sdl_data_t*)driver->video_context_data;
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if (!sdl)
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return;
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(void)data;
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sdl_ctx_destroy_resources(sdl);
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if (driver->video_context_data)
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free(driver->video_context_data);
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driver->video_context_data = NULL;
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}
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static bool sdl_ctx_bind_api(void *data, enum gfx_ctx_api api, unsigned major,
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unsigned minor)
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{
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unsigned profile;
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(void)data;
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#ifdef HAVE_SDL2
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if (api != GFX_CTX_OPENGL_API && api != GFX_CTX_OPENGL_ES_API)
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return false;
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profile = SDL_GL_CONTEXT_PROFILE_COMPATIBILITY;
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if (api == GFX_CTX_OPENGL_ES_API)
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profile = SDL_GL_CONTEXT_PROFILE_ES;
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, profile);
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, major);
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, minor);
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#endif
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g_api = api;
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g_major = major;
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g_minor = minor;
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#ifdef HAVE_SDL2
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return true;
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#else
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return api == GFX_CTX_OPENGL_API;
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#endif
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}
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static void sdl_ctx_swap_interval(void *data, unsigned interval)
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{
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(void)data;
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#ifdef HAVE_SDL2
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SDL_GL_SetSwapInterval(interval);
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#else
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SDL_GL_SetAttribute(SDL_GL_SWAP_CONTROL, interval);
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#endif
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}
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static bool sdl_ctx_set_video_mode(void *data, unsigned width, unsigned height,
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bool fullscreen)
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{
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unsigned fsflag = 0;
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driver_t *driver = driver_get_ptr();
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settings_t *settings = config_get_ptr();
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gfx_ctx_sdl_data_t *sdl = (gfx_ctx_sdl_data_t*)driver->video_context_data;
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(void)data;
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sdl->g_new_width = width;
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sdl->g_new_height = height;
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#ifdef HAVE_SDL2
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if (fullscreen)
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{
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if (settings->video.windowed_fullscreen)
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fsflag = SDL_WINDOW_FULLSCREEN_DESKTOP;
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else
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fsflag = SDL_WINDOW_FULLSCREEN;
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}
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if (sdl->g_win)
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{
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SDL_SetWindowSize(sdl->g_win, width, height);
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if (fullscreen)
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SDL_SetWindowFullscreen(sdl->g_win, fsflag);
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}
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else
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{
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unsigned display = settings->video.monitor_index;
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sdl->g_win = SDL_CreateWindow("", SDL_WINDOWPOS_UNDEFINED_DISPLAY(display),
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SDL_WINDOWPOS_UNDEFINED_DISPLAY(display),
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width, height, SDL_WINDOW_OPENGL | fsflag);
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}
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#else
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if (fullscreen)
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fsflag = SDL_FULLSCREEN;
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sdl->g_win = SDL_SetVideoMode(width, height, 0, SDL_OPENGL | fsflag);
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#endif
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if (!sdl->g_win)
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goto error;
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#ifdef HAVE_SDL2
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if (sdl->g_ctx)
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driver->video_cache_context_ack = true;
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else
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{
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sdl->g_ctx = SDL_GL_CreateContext(sdl->g_win);
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if (!sdl->g_ctx)
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goto error;
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}
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#endif
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sdl->g_full = fullscreen;
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sdl->g_width = width;
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sdl->g_height = height;
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return true;
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error:
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RARCH_WARN("[SDL_GL]: Failed to set video mode: %s\n", SDL_GetError());
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return false;
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}
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static void sdl_ctx_get_video_size(void *data,
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unsigned *width, unsigned *height)
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{
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driver_t *driver = driver_get_ptr();
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settings_t *settings = config_get_ptr();
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gfx_ctx_sdl_data_t *sdl = (gfx_ctx_sdl_data_t*)driver->video_context_data;
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if (!sdl)
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return;
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*width = sdl->g_width;
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*height = sdl->g_height;
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if (!sdl->g_win)
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{
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int i = settings->video.monitor_index;
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#ifdef HAVE_SDL2
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SDL_DisplayMode mode = {0};
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if (SDL_GetCurrentDisplayMode(i, &mode) < 0)
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RARCH_WARN("[SDL_GL]: Failed to get display #%i mode: %s\n", i,
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SDL_GetError());
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#else
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SDL_Rect **modes = SDL_ListModes(NULL, SDL_FULLSCREEN|SDL_HWSURFACE);
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SDL_Rect mode = {0};
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if (!modes)
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RARCH_WARN("[SDL_GL]: Failed to detect available video modes: %s\n",
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SDL_GetError());
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else if (*modes)
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mode = **modes;
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#endif
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*width = mode.w;
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*height = mode.h;
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}
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}
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static void sdl_ctx_update_window_title(void *data)
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{
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char buf[128] = {0};
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char buf_fps[128] = {0};
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driver_t *driver = driver_get_ptr();
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settings_t *settings = config_get_ptr();
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gfx_ctx_sdl_data_t *sdl = (gfx_ctx_sdl_data_t*)driver->video_context_data;
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if (!sdl)
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return;
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if (video_monitor_get_fps(buf, sizeof(buf),
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buf_fps, sizeof(buf_fps)))
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{
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#ifdef HAVE_SDL2
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SDL_SetWindowTitle(sdl->g_win, buf);
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#else
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SDL_WM_SetCaption(buf, NULL);
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#endif
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}
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if (settings->fps_show)
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rarch_main_msg_queue_push(buf_fps, 1, 1, false);
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}
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static void sdl_ctx_check_window(void *data, bool *quit, bool *resize,unsigned *width,
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unsigned *height, unsigned frame_count)
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{
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SDL_Event event;
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driver_t *driver = driver_get_ptr();
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gfx_ctx_sdl_data_t *sdl = (gfx_ctx_sdl_data_t*)driver->video_context_data;
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(void)data;
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SDL_PumpEvents();
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#ifdef HAVE_SDL2
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while (SDL_PeepEvents(&event, 1, SDL_GETEVENT, SDL_QUIT, SDL_WINDOWEVENT) > 0)
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#else
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while (SDL_PeepEvents(&event, 1, SDL_GETEVENT, SDL_QUITMASK|SDL_VIDEORESIZEMASK) > 0)
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#endif
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{
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switch (event.type)
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{
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case SDL_QUIT:
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#ifdef HAVE_SDL2
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case SDL_APP_TERMINATING:
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#endif
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*quit = true;
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break;
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#ifdef HAVE_SDL2
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case SDL_WINDOWEVENT:
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if (event.window.event == SDL_WINDOWEVENT_RESIZED)
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{
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sdl->g_resized = true;
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sdl->g_new_width = event.window.data1;
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sdl->g_new_height = event.window.data2;
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}
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#else
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case SDL_VIDEORESIZE:
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sdl->g_resized = true;
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sdl->g_new_width = event.resize.w;
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sdl->g_new_height = event.resize.h;
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#endif
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break;
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default:
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break;
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}
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}
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if (sdl->g_resized)
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{
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*width = sdl->g_new_width;
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*height = sdl->g_new_height;
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*resize = true;
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sdl->g_resized = false;
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}
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sdl->g_frame_count = frame_count;
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}
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static void sdl_ctx_set_resize(void *data, unsigned width, unsigned height)
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{
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(void)data;
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(void)width;
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(void)height;
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}
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static bool sdl_ctx_has_focus(void *data)
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{
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unsigned flags;
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driver_t *driver = driver_get_ptr();
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#ifdef HAVE_SDL2
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gfx_ctx_sdl_data_t *sdl = (gfx_ctx_sdl_data_t*)driver->video_context_data;
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flags = (SDL_WINDOW_INPUT_FOCUS | SDL_WINDOW_MOUSE_FOCUS);
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return (SDL_GetWindowFlags(sdl->g_win) & flags) == flags;
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#else
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flags = (SDL_APPINPUTFOCUS | SDL_APPACTIVE);
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return (SDL_GetAppState() & flags) == flags;
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#endif
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(void)data;
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}
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static bool sdl_ctx_suppress_screensaver(void *data, bool enable)
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{
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(void)data;
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(void)enable;
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return false;
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}
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static bool sdl_ctx_has_windowed(void *data)
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{
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(void)data;
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return true;
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}
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static void sdl_ctx_swap_buffers(void *data)
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{
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#ifdef HAVE_SDL2
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driver_t *driver = driver_get_ptr();
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gfx_ctx_sdl_data_t *sdl = (gfx_ctx_sdl_data_t*)driver->video_context_data;
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SDL_GL_SwapWindow(sdl->g_win);
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#else
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SDL_GL_SwapBuffers();
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#endif
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(void)data;
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}
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static void sdl_ctx_input_driver(void *data, const input_driver_t **input, void **input_data)
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{
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(void)data;
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*input = NULL;
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*input_data = NULL;
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}
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static gfx_ctx_proc_t sdl_ctx_get_proc_address(const char *name)
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{
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return (gfx_ctx_proc_t)SDL_GL_GetProcAddress(name);
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}
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static void sdl_ctx_show_mouse(void *data, bool state)
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{
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(void)data;
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SDL_ShowCursor(state);
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}
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const gfx_ctx_driver_t gfx_ctx_sdl_gl =
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{
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sdl_ctx_init,
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sdl_ctx_destroy,
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sdl_ctx_bind_api,
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sdl_ctx_swap_interval,
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sdl_ctx_set_video_mode,
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sdl_ctx_get_video_size,
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NULL, /* get_video_output_size */
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NULL, /* get_video_output_prev */
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NULL, /* get_video_output_next */
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NULL, /* get_metrics */
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NULL, /* translate_aspect */
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sdl_ctx_update_window_title,
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sdl_ctx_check_window,
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sdl_ctx_set_resize,
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sdl_ctx_has_focus,
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sdl_ctx_suppress_screensaver,
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sdl_ctx_has_windowed,
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sdl_ctx_swap_buffers,
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sdl_ctx_input_driver,
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sdl_ctx_get_proc_address,
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NULL,
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NULL,
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sdl_ctx_show_mouse,
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"sdl_gl",
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NULL /* bind_hw_render */
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};
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