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Update libretro-common

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This commit is contained in:
retro-wertz
2019-07-19 15:02:30 +08:00
parent c2a432f0f3
commit 3a4556dec6
9 changed files with 262 additions and 20 deletions
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202
src/drivers/libretro/libretro-common/include/libretro.h
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@@ -614,7 +614,7 @@ enum retro_mod
* Afterward it may be called again for the core to communicate
* updated options to the frontend, but the number of core
* options must not change from the number in the initial call.
*
*
* 'data' points to an array of retro_variable structs
* terminated by a { NULL, NULL } element.
* retro_variable::key should be namespaced to not collide
@@ -1106,6 +1106,148 @@ enum retro_mod
* It will return a bitmask of all the digital buttons.
*/
#define RETRO_ENVIRONMENT_GET_CORE_OPTIONS_VERSION 52
/* unsigned * --
* Unsigned value is the API version number of the core options
* interface supported by the frontend. If callback return false,
* API version is assumed to be 0.
*
* In legacy code, core options are set by passing an array of
* retro_variable structs to RETRO_ENVIRONMENT_SET_VARIABLES.
* 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
* 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.
* This allows the core to additionally set option sublabel information
* and/or provide localisation support.
*/
#define RETRO_ENVIRONMENT_SET_CORE_OPTIONS 53
/* const struct retro_core_option_definition ** --
* Allows an implementation to signal the environment
* which variables it might want to check for later using
* 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 be called instead of RETRO_ENVIRONMENT_SET_VARIABLES.
* This should be called the first time as early as
* possible (ideally in retro_set_environment).
* Afterwards it may be called again for the core to communicate
* updated options to the frontend, but the number of core
* options must not change from the number in the initial call.
*
* 'data' points to an array of retro_core_option_definition structs
* terminated by a { NULL, NULL, NULL, {{0}}, NULL } element.
* retro_core_option_definition::key should be namespaced to not collide
* with other implementations' keys. e.g. A core called
* 'foo' should use keys named as 'foo_option'.
* retro_core_option_definition::desc should contain a human readable
* description of the key.
* retro_core_option_definition::info should contain any additional human
* readable information text that a typical user may need to
* understand the functionality of the option.
* retro_core_option_definition::values is an array of retro_core_option_value
* structs terminated by a { NULL, NULL } element.
* > retro_core_option_definition::values[index].value is an expected option
* value.
* > retro_core_option_definition::values[index].label is a human readable
* label used when displaying the value on screen. If NULL,
* the value itself is used.
* retro_core_option_definition::default_value is the default core option
* setting. It must match one of the expected option values in the
* retro_core_option_definition::values array. If it does not, or the
* default value is NULL, the first entry in the
* retro_core_option_definition::values array is treated as the default.
*
* The number of possible options should be very limited,
* and must be less than RETRO_NUM_CORE_OPTION_VALUES_MAX.
* 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",
* "Speed hack coprocessor X",
* "Provides increased performance at the expense of reduced accuracy",
* {
* { "false", NULL },
* { "true", NULL },
* { "unstable", "Turbo (Unstable)" },
* { NULL, NULL },
* },
* "false"
* }
*
* Only strings are operated on. The possible values will
* generally be displayed and stored as-is by the frontend.
*/
#define RETRO_ENVIRONMENT_SET_CORE_OPTIONS_INTL 54
/* const struct retro_core_options_intl * --
* Allows an implementation to signal the environment
* which variables it might want to check for later using
* 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 be called instead of RETRO_ENVIRONMENT_SET_VARIABLES.
* This should be called the first time as early as
* possible (ideally in retro_set_environment).
* Afterwards it may be called again for the core to communicate
* updated options to the frontend, but the number of core
* options must not change from the number in the initial call.
*
* This is fundamentally the same as RETRO_ENVIRONMENT_SET_CORE_OPTIONS,
* with the addition of localisation support. The description of the
* RETRO_ENVIRONMENT_SET_CORE_OPTIONS callback should be consulted
* for further details.
*
* 'data' points to a retro_core_options_intl struct.
*
* retro_core_options_intl::us is a pointer to an array of
* retro_core_option_definition structs defining the US English
* core options implementation. It must point to a valid array.
*
* retro_core_options_intl::local is a pointer to an array of
* retro_core_option_definition structs defining core options for
* the current frontend language. It may be NULL (in which case
* retro_core_options_intl::us is used by the frontend). Any items
* missing from this array will be read from retro_core_options_intl::us
* instead.
*
* NOTE: Default core option values are always taken from the
* retro_core_options_intl::us array. Any default values in
* retro_core_options_intl::local array will be ignored.
*/
#define RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY 55
/* struct retro_core_option_display * --
*
* Allows an implementation to signal the environment to show
* or hide a variable when displaying core options. This is
* considered a *suggestion*. The frontend is free to ignore
* this callback, and its implementation not considered mandatory.
*
* 'data' points to a retro_core_option_display struct
*
* retro_core_option_display::key is a variable identifier
* which has already been set by SET_VARIABLES/SET_CORE_OPTIONS.
*
* retro_core_option_display::visible is a boolean, specifying
* whether variable should be displayed
*
* Note that all core option variables will be set visible by
* default when calling SET_VARIABLES/SET_CORE_OPTIONS.
*/
/* VFS functionality */
/* File paths:
@@ -2351,6 +2493,64 @@ struct retro_variable
const char *value;
};
struct retro_core_option_display
{
/* Variable to configure in RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY */
const char *key;
/* Specifies whether variable should be displayed
* when presenting core options to the user */
bool visible;
};
/* 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) */
#define RETRO_NUM_CORE_OPTION_VALUES_MAX 128
struct retro_core_option_value
{
/* Expected option value */
const char *value;
/* Human-readable value label. If NULL, value itself
* will be displayed by the frontend */
const char *label;
};
struct retro_core_option_definition
{
/* Variable to query in RETRO_ENVIRONMENT_GET_VARIABLE. */
const char *key;
/* Human-readable core option description (used as menu label) */
const char *desc;
/* Human-readable core option information (used as menu sublabel) */
const char *info;
/* Array of retro_core_option_value structs, terminated by NULL */
struct retro_core_option_value values[RETRO_NUM_CORE_OPTION_VALUES_MAX];
/* Default core option value. Must match one of the values
* in the retro_core_option_value array, otherwise will be
* ignored */
const char *default_value;
};
struct retro_core_options_intl
{
/* Pointer to an array of retro_core_option_definition structs
* - US English implementation
* - Must point to a valid array */
struct retro_core_option_definition *us;
/* Pointer to an array of retro_core_option_definition structs
* - Implementation for current frontend language
* - May be NULL */
struct retro_core_option_definition *local;
};
struct retro_game_info
{
const char *path; /* Path to game, UTF-8 encoded.