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Update libretro api headers

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This commit is contained in:
negativeExponent
2020-01-25 16:44:22 +08:00
parent 31cab728d4
commit 602fe391d5
17 changed files with 1586 additions and 13 deletions
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148
src/drivers/libretro/libretro-common/include/libretro.h
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@@ -1117,7 +1117,7 @@ enum retro_mod
* This may be still be done regardless of the core options
* interface version.
*
* If version is 1 however, core options may instead be set by
* If version is >= 1 however, core options may instead be set by
* passing an array of retro_core_option_definition structs to
* RETRO_ENVIRONMENT_SET_CORE_OPTIONS, or a 2D array of
* retro_core_option_definition structs to RETRO_ENVIRONMENT_SET_CORE_OPTIONS_INTL.
@@ -1132,8 +1132,8 @@ enum retro_mod
* GET_VARIABLE.
* This allows the frontend to present these variables to
* a user dynamically.
* This should only be called if RETRO_ENVIRONMENT_GET_ENHANCED_CORE_OPTIONS
* returns an API version of 1.
* This should only be called if RETRO_ENVIRONMENT_GET_CORE_OPTIONS_VERSION
* returns an API version of >= 1.
* This should be called instead of RETRO_ENVIRONMENT_SET_VARIABLES.
* This should be called the first time as early as
* possible (ideally in retro_set_environment).
@@ -1169,8 +1169,6 @@ enum retro_mod
* i.e. it should be feasible to cycle through options
* without a keyboard.
*
* First entry should be treated as a default.
*
* Example entry:
* {
* "foo_option",
@@ -1196,8 +1194,8 @@ enum retro_mod
* GET_VARIABLE.
* This allows the frontend to present these variables to
* a user dynamically.
* This should only be called if RETRO_ENVIRONMENT_GET_ENHANCED_CORE_OPTIONS
* returns an API version of 1.
* This should only be called if RETRO_ENVIRONMENT_GET_CORE_OPTIONS_VERSION
* returns an API version of >= 1.
* This should be called instead of RETRO_ENVIRONMENT_SET_VARIABLES.
* This should be called the first time as early as
* possible (ideally in retro_set_environment).
@@ -1248,6 +1246,47 @@ enum retro_mod
* default when calling SET_VARIABLES/SET_CORE_OPTIONS.
*/
#define RETRO_ENVIRONMENT_GET_PREFERRED_HW_RENDER 56
/* unsigned * --
*
* Allows an implementation to ask frontend preferred hardware
* context to use. Core should use this information to deal
* with what specific context to request with SET_HW_RENDER.
*
* 'data' points to an unsigned variable
*/
#define RETRO_ENVIRONMENT_GET_DISK_CONTROL_INTERFACE_VERSION 57
/* unsigned * --
* Unsigned value is the API version number of the disk control
* interface supported by the frontend. If callback return false,
* API version is assumed to be 0.
*
* In legacy code, the disk control interface is defined by passing
* a struct of type retro_disk_control_callback to
* RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE.
* This may be still be done regardless of the disk control
* interface version.
*
* If version is >= 1 however, the disk control interface may
* instead be defined by passing a struct of type
* retro_disk_control_ext_callback to
* RETRO_ENVIRONMENT_SET_DISK_CONTROL_EXT_INTERFACE.
* This allows the core to provide additional information about
* disk images to the frontend and/or enables extra
* disk control functionality by the frontend.
*/
#define RETRO_ENVIRONMENT_SET_DISK_CONTROL_EXT_INTERFACE 58
/* const struct retro_disk_control_ext_callback * --
* Sets an interface which frontend can use to eject and insert
* disk images, and also obtain information about individual
* disk image files registered by the core.
* This is used for games which consist of multiple images and
* must be manually swapped out by the user (e.g. PSX, floppy disk
* based systems).
*/
/* VFS functionality */
/* File paths:
@@ -1924,6 +1963,10 @@ enum retro_sensor_action
{
RETRO_SENSOR_ACCELEROMETER_ENABLE = 0,
RETRO_SENSOR_ACCELEROMETER_DISABLE,
RETRO_SENSOR_GYROSCOPE_ENABLE,
RETRO_SENSOR_GYROSCOPE_DISABLE,
RETRO_SENSOR_ILLUMINANCE_ENABLE,
RETRO_SENSOR_ILLUMINANCE_DISABLE,
RETRO_SENSOR_DUMMY = INT_MAX
};
@@ -1932,6 +1975,10 @@ enum retro_sensor_action
#define RETRO_SENSOR_ACCELEROMETER_X 0
#define RETRO_SENSOR_ACCELEROMETER_Y 1
#define RETRO_SENSOR_ACCELEROMETER_Z 2
#define RETRO_SENSOR_GYROSCOPE_X 3
#define RETRO_SENSOR_GYROSCOPE_Y 4
#define RETRO_SENSOR_GYROSCOPE_Z 5
#define RETRO_SENSOR_ILLUMINANCE 6
typedef bool (RETRO_CALLCONV *retro_set_sensor_state_t)(unsigned port,
enum retro_sensor_action action, unsigned rate);
@@ -2289,7 +2336,8 @@ struct retro_keyboard_callback
retro_keyboard_event_t callback;
};
/* Callbacks for RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE.
/* Callbacks for RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE &
* RETRO_ENVIRONMENT_SET_DISK_CONTROL_EXT_INTERFACE.
* Should be set for implementations which can swap out multiple disk
* images in runtime.
*
@@ -2347,6 +2395,53 @@ typedef bool (RETRO_CALLCONV *retro_replace_image_index_t)(unsigned index,
* with replace_image_index. */
typedef bool (RETRO_CALLCONV *retro_add_image_index_t)(void);
/* Sets initial image to insert in drive when calling
* core_load_game().
* Since we cannot pass the initial index when loading
* content (this would require a major API change), this
* is set by the frontend *before* calling the core's
* retro_load_game()/retro_load_game_special() implementation.
* A core should therefore cache the index/path values and handle
* them inside retro_load_game()/retro_load_game_special().
* - If 'index' is invalid (index >= get_num_images()), the
* core should ignore the set value and instead use 0
* - 'path' is used purely for error checking - i.e. when
* content is loaded, the core should verify that the
* disk specified by 'index' has the specified file path.
* This is to guard against auto selecting the wrong image
* if (for example) the user should modify an existing M3U
* playlist. We have to let the core handle this because
* set_initial_image() must be called before loading content,
* i.e. the frontend cannot access image paths in advance
* and thus cannot perform the error check itself.
* If set path and content path do not match, the core should
* ignore the set 'index' value and instead use 0
* Returns 'false' if index or 'path' are invalid, or core
* does not support this functionality
*/
typedef bool (RETRO_CALLCONV *retro_set_initial_image_t)(unsigned index, const char *path);
/* Fetches the path of the specified disk image file.
* Returns 'false' if index is invalid (index >= get_num_images())
* or path is otherwise unavailable.
*/
typedef bool (RETRO_CALLCONV *retro_get_image_path_t)(unsigned index, char *path, size_t len);
/* Fetches a core-provided 'label' for the specified disk
* image file. In the simplest case this may be a file name
* (without extension), but for cores with more complex
* content requirements information may be provided to
* facilitate user disk swapping - for example, a core
* running floppy-disk-based content may uniquely label
* save disks, data disks, level disks, etc. with names
* corresponding to in-game disk change prompts (so the
* frontend can provide better user guidance than a 'dumb'
* disk index value).
* Returns 'false' if index is invalid (index >= get_num_images())
* or label is otherwise unavailable.
*/
typedef bool (RETRO_CALLCONV *retro_get_image_label_t)(unsigned index, char *label, size_t len);
struct retro_disk_control_callback
{
retro_set_eject_state_t set_eject_state;
@@ -2360,6 +2455,27 @@ struct retro_disk_control_callback
retro_add_image_index_t add_image_index;
};
struct retro_disk_control_ext_callback
{
retro_set_eject_state_t set_eject_state;
retro_get_eject_state_t get_eject_state;
retro_get_image_index_t get_image_index;
retro_set_image_index_t set_image_index;
retro_get_num_images_t get_num_images;
retro_replace_image_index_t replace_image_index;
retro_add_image_index_t add_image_index;
/* NOTE: Frontend will only attempt to record/restore
* last used disk index if both set_initial_image()
* and get_image_path() are implemented */
retro_set_initial_image_t set_initial_image; /* Optional - may be NULL */
retro_get_image_path_t get_image_path; /* Optional - may be NULL */
retro_get_image_label_t get_image_label; /* Optional - may be NULL */
};
enum retro_pixel_format
{
/* 0RGB1555, native endian.
@@ -2504,8 +2620,20 @@ struct retro_core_option_display
};
/* Maximum number of values permitted for a core option
* NOTE: This may be increased on a core-by-core basis
* if required (doing so has no effect on the frontend) */
* > Note: We have to set a maximum value due the limitations
* of the C language - i.e. it is not possible to create an
* array of structs each containing a variable sized array,
* so the retro_core_option_definition values array must
* have a fixed size. The size limit of 128 is a balancing
* act - it needs to be large enough to support all 'sane'
* core options, but setting it too large may impact low memory
* platforms. In practise, if a core option has more than
* 128 values then the implementation is likely flawed.
* To quote the above API reference:
* "The number of possible options should be very limited
* i.e. it should be feasible to cycle through options
* without a keyboard."
*/
#define RETRO_NUM_CORE_OPTION_VALUES_MAX 128
struct retro_core_option_value