mirror of
https://github.com/libretro/RetroArch.git
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199 lines
4.4 KiB
C
199 lines
4.4 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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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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#ifndef RARCH_VIDEO_THREAD_H__
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#define RARCH_VIDEO_THREAD_H__
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#include "../driver.h"
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#include "../general.h"
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#include <boolean.h>
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#include <rthreads/rthreads.h>
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#include "fonts/gl_font.h"
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/* Starts a video driver in a new thread.
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* Access to video driver will be mediated through this driver. */
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bool rarch_threaded_video_init(
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const video_driver_t **out_driver, void **out_data,
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const input_driver_t **input, void **input_data,
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const video_driver_t *driver, const video_info_t *info);
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void *rarch_threaded_video_resolve(const video_driver_t **drv);
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enum thread_cmd
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{
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CMD_NONE = 0,
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CMD_INIT,
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CMD_SET_SHADER,
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CMD_FREE,
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CMD_ALIVE, /* Blocking alive check. Used when paused. */
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CMD_SET_ROTATION,
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CMD_READ_VIEWPORT,
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#ifdef HAVE_OVERLAY
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CMD_OVERLAY_ENABLE,
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CMD_OVERLAY_LOAD,
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CMD_OVERLAY_TEX_GEOM,
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CMD_OVERLAY_VERTEX_GEOM,
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CMD_OVERLAY_FULL_SCREEN,
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#endif
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CMD_POKE_SET_FILTERING,
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#ifdef HAVE_FBO
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CMD_POKE_SET_FBO_STATE,
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CMD_POKE_GET_FBO_STATE,
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#endif
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CMD_POKE_SET_ASPECT_RATIO,
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CMD_POKE_SET_OSD_MSG,
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CMD_FONT_INIT,
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CMD_CUSTOM_COMMAND,
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CMD_DUMMY = INT_MAX
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};
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typedef struct thread_video
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{
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slock_t *lock;
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scond_t *cond_cmd;
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scond_t *cond_thread;
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sthread_t *thread;
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video_info_t info;
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const video_driver_t *driver;
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#ifdef HAVE_OVERLAY
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const video_overlay_interface_t *overlay;
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#endif
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const video_poke_interface_t *poke;
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void *driver_data;
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const input_driver_t **input;
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void **input_data;
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#if defined(HAVE_MENU)
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struct
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{
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void *frame;
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size_t frame_cap;
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unsigned width;
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unsigned height;
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float alpha;
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bool frame_updated;
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bool rgb32;
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bool enable;
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bool full_screen;
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} texture;
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#endif
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bool apply_state_changes;
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bool alive;
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bool focus;
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bool has_windowed;
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bool nonblock;
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retro_time_t last_time;
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unsigned hit_count;
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unsigned miss_count;
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float *alpha_mod;
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unsigned alpha_mods;
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bool alpha_update;
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slock_t *alpha_lock;
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void (*send_cmd_func)(struct thread_video *, enum thread_cmd);
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void (*wait_reply_func)(struct thread_video *, enum thread_cmd);
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enum thread_cmd send_cmd;
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enum thread_cmd reply_cmd;
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union
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{
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bool b;
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int i;
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float f;
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const char *str;
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void *v;
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struct
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{
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enum rarch_shader_type type;
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const char *path;
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} set_shader;
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struct
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{
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unsigned index;
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float x, y, w, h;
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} rect;
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struct
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{
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const struct texture_image *data;
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unsigned num;
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} image;
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struct
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{
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unsigned index;
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bool smooth;
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} filtering;
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struct
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{
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char msg[PATH_MAX];
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struct font_params params;
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} osd_message;
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struct
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{
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int (*method)(void*);
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void* data;
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int return_value;
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} custom_command;
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struct
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{
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bool (*method)(const gl_font_renderer_t **font_driver,
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void **font_handle, void *video_data, const char *font_path,
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float font_size);
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const gl_font_renderer_t **font_driver;
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void **font_handle;
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void *video_data;
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const char *font_path;
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float font_size;
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bool return_value;
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} font_init;
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} cmd_data;
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struct rarch_viewport vp;
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struct rarch_viewport read_vp; /* Last viewport reported to caller. */
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struct
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{
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slock_t *lock;
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uint8_t *buffer;
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unsigned width;
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unsigned height;
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unsigned pitch;
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bool updated;
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bool within_thread;
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char msg[PATH_MAX];
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} frame;
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video_driver_t video_thread;
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} thread_video_t;
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#endif
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