RetroArch/menu/menu_shader.h

134 lines
4.0 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2017 - Daniel De Matteis
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _MENU_SHADER_MANAGER_H
#define _MENU_SHADER_MANAGER_H
#include <retro_common_api.h>
#include "../retroarch.h"
#include "../gfx/video_shader_parse.h"
RETRO_BEGIN_DECLS
enum auto_shader_type
{
SHADER_PRESET_GLOBAL,
SHADER_PRESET_CORE,
SHADER_PRESET_PARENT,
SHADER_PRESET_GAME
};
struct video_shader *menu_shader_get(void);
void menu_shader_manager_free(void);
/**
* menu_shader_manager_init:
*
* Initializes shader manager.
**/
bool menu_shader_manager_init(void);
/**
* menu_shader_manager_set_preset:
* @shader : Shader handle.
* @type : Type of shader.
* @preset_path : Preset path to load from.
* @apply : Whether to apply the shader or just update shader information
*
* Sets shader preset.
**/
bool menu_shader_manager_set_preset(
struct video_shader *shader,
enum rarch_shader_type type, const char *preset_path, bool apply);
/**
* menu_shader_manager_save_auto_preset:
* @shader : shader to save
* @type : type of shader preset which determines save path
* @apply : immediately set preset after saving
*
* Save a shader as an auto-shader to it's appropriate path:
* SHADER_PRESET_GLOBAL: <shader dir>/presets/global
* SHADER_PRESET_CORE: <shader dir>/presets/<core name>/<core name>
* SHADER_PRESET_PARENT: <shader dir>/presets/<core name>/<parent>
* SHADER_PRESET_GAME: <shader dir>/presets/<core name>/<game name>
* Needs to be consistent with retroarch_load_shader_preset()
* Auto-shaders will be saved as a reference if possible
**/
bool menu_shader_manager_save_auto_preset(const struct video_shader *shader,
enum auto_shader_type type, bool apply);
/**
* menu_shader_manager_save_preset:
* @shader : shader to save
* @basename : basename of preset
* @apply : immediately set preset after saving
*
* Save a shader preset to disk.
**/
bool menu_shader_manager_save_preset(const struct video_shader *shader,
const char *basename, bool apply);
/**
* menu_shader_manager_get_type:
* @shader : shader handle
*
* Gets type of shader.
*
* Returns: type of shader.
**/
enum rarch_shader_type menu_shader_manager_get_type(
const struct video_shader *shader);
/**
* menu_shader_manager_apply_changes:
*
* Apply shader state changes.
**/
void menu_shader_manager_apply_changes(struct video_shader *shader);
int menu_shader_manager_clear_num_passes(struct video_shader *shader);
int menu_shader_manager_clear_parameter(struct video_shader *shader,
unsigned i);
int menu_shader_manager_clear_pass_filter(struct video_shader *shader,
unsigned i);
void menu_shader_manager_clear_pass_scale(struct video_shader *shader,
unsigned i);
void menu_shader_manager_clear_pass_path(struct video_shader *shader,
unsigned i);
/**
* menu_shader_manager_remove_auto_preset:
* @type : type of shader preset to delete
*
* Deletes an auto-shader.
**/
bool menu_shader_manager_remove_auto_preset(enum auto_shader_type type);
bool menu_shader_manager_auto_preset_exists(enum auto_shader_type type);
void menu_shader_set_modified(bool modified);
RETRO_END_DECLS
#endif