diff options
Diffstat (limited to 'src/lib/libgamma-facade.h')
| -rw-r--r-- | src/lib/libgamma-facade.h | 544 |
1 files changed, 252 insertions, 292 deletions
diff --git a/src/lib/libgamma-facade.h b/src/lib/libgamma-facade.h index a24c0e0..596094c 100644 --- a/src/lib/libgamma-facade.h +++ b/src/lib/libgamma-facade.h @@ -1,20 +1,4 @@ -/** - * libgamma -- Display server abstraction layer for gamma ramp adjustments - * Copyright (C) 2014, 2015 Mattias Andrée (maandree@member.fsf.org) - * - * This library 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 Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This library 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 this library. If not, see <http://www.gnu.org/licenses/>. - */ +/* See LICENSE file for copyright and license details. */ #ifndef LIBGAMMA_FACADE_H #define LIBGAMMA_FACADE_H @@ -28,127 +12,127 @@ #include <stddef.h> #include <stdint.h> -#ifndef __GCC__ +#ifndef __GNUC__ # define __attribute__(x) #endif /** - * Mapping function from [0, 1] float encoding value to [0, 2⁸ − 1] integer output value. + * Mapping function from [0, 1] float encoding value to [0, 2⁸ − 1] integer output value * - * @param encoding [0, 1] float encoding value. - * @return [0, 2⁸ − 1] integer output value. + * @param encoding [0, 1] float encoding value + * @return [0, 2⁸ − 1] integer output value */ -typedef uint8_t libgamma_gamma_ramps8_fun(float encoding); +typedef uint8_t libgamma_gamma_ramps8_fun(float); /** - * Mapping function from [0, 1] float encoding value to [0, 2¹⁶ − 1] integer output value. + * Mapping function from [0, 1] float encoding value to [0, 2¹⁶ − 1] integer output value * - * @param encoding [0, 1] float encoding value. - * @return [0, 2¹⁶ − 1] integer output value. + * @param encoding [0, 1] float encoding value + * @return [0, 2¹⁶ − 1] integer output value */ -typedef uint16_t libgamma_gamma_ramps16_fun(float encoding); +typedef uint16_t libgamma_gamma_ramps16_fun(float); /** - * Mapping function from [0, 1] float encoding value to [0, 2³² − 1] integer output value. + * Mapping function from [0, 1] float encoding value to [0, 2³² − 1] integer output value * - * @param encoding [0, 1] float encoding value. - * @return [0, 2³² − 1] integer output value. + * @param encoding [0, 1] float encoding value + * @return [0, 2³² − 1] integer output value */ -typedef uint32_t libgamma_gamma_ramps32_fun(float encoding); +typedef uint32_t libgamma_gamma_ramps32_fun(float); /** - * Mapping function from [0, 1] float encoding value to [0, 2⁶⁴ − 1] integer output value. + * Mapping function from [0, 1] float encoding value to [0, 2⁶⁴ − 1] integer output value * - * @param encoding [0, 1] float encoding value. - * @return [0, 2⁶⁴ − 1] integer output value. + * @param encoding [0, 1] float encoding value + * @return [0, 2⁶⁴ − 1] integer output value */ -typedef uint64_t libgamma_gamma_ramps64_fun(float encoding); +typedef uint64_t libgamma_gamma_ramps64_fun(float); /** - * Mapping function from [0, 1] float encoding value to [0, 1] float output value. + * Mapping function from [0, 1] float encoding value to [0, 1] float output value * - * @param encoding [0, 1] float encoding value. - * @return [0, 1] float output value. + * @param encoding [0, 1] float encoding value + * @return [0, 1] float output value */ -typedef float libgamma_gamma_rampsf_fun(float encoding); +typedef float libgamma_gamma_rampsf_fun(float); /** * Mapping function from [0, 1] double precision float encoding - * value to [0, 1] double precision float output value. + * value to [0, 1] double precision float output value * - * @param encoding [0, 1] float encoding value. - * @return [0, 1] float output value. + * @param encoding [0, 1] float encoding value + * @return [0, 1] float output value */ -typedef double libgamma_gamma_rampsd_fun(double encoding); +typedef double libgamma_gamma_rampsd_fun(double); /** - * List available adjustment methods by their order of preference based on the environment. + * List available adjustment methods by their order of preference based on the environment * - * @param methods Output array of methods, should be able to hold `LIBGAMMA_METHOD_COUNT` elements. + * @param methods Output array of methods, should be able to hold `LIBGAMMA_METHOD_COUNT` elements * @param buf_size The number of elements that fits in `methods`, it should be `LIBGAMMA_METHOD_COUNT`, * This is used to avoid writing outside the output buffer if this library adds new - * adjustment methods without the users of the library recompiling. + * adjustment methods without the users of the library recompiling * @param operation Allowed values: - * 0: Methods that the environment suggests will work, excluding fake. - * 1: Methods that the environment suggests will work, including fake. - * 2: All real non-fake methods. - * 3: All real methods. - * 4: All methods. - * Other values invoke undefined behaviour. + * 0: Methods that the environment suggests will work, excluding fake + * 1: Methods that the environment suggests will work, including fake + * 2: All real non-fake methods + * 3: All real methods + * 4: All methods + * Other values invoke undefined behaviour * @return The number of element that have been stored in `methods`, or should - * have been stored if the buffer was large enough. + * have been stored if the buffer was large enough */ -size_t libgamma_list_methods(int* restrict methods, size_t buf_size, int operation); +size_t libgamma_list_methods(int *restrict, size_t, int); /** * Check whether an adjustment method is available, non-existing (invalid) methods will be - * identified as not available under the rationale that the library may be out of date. + * identified as not available under the rationale that the library may be out of date * - * @param method The adjustment method. - * @return Whether the adjustment method is available. + * @param method The adjustment method + * @return Whether the adjustment method is available */ -int libgamma_is_method_available(int method) __attribute__((const)); +int libgamma_is_method_available(int) __attribute__((const)); /** - * Return the capabilities of an adjustment method. + * Return the capabilities of an adjustment method * * @param this The data structure to fill with the method's capabilities - * @param method The adjustment method (display server and protocol). + * @param method The adjustment method (display server and protocol) */ -void libgamma_method_capabilities(libgamma_method_capabilities_t* restrict this, int method); +void libgamma_method_capabilities(libgamma_method_capabilities_t *restrict, int); /** - * Return the default site for an adjustment method. + * Return the default site for an adjustment method * - * @param method The adjustment method (display server and protocol.) + * @param method The adjustment method (display server and protocol) * @return The default site, `NULL` if it cannot be determined or * if multiple sites are not supported by the adjustment - * method. This value should not be `free`:d. + * method; this value should not be `free`:d */ -char* libgamma_method_default_site(int method); +char *libgamma_method_default_site(int); /** * Return the default variable that determines - * the default site for an adjustment method. + * the default site for an adjustment method * - * @param method The adjustment method (display server and protocol.) + * @param method The adjustment method (display server and protocol) * @return The environ variables that is used to determine the - * default site. `NULL` if there is none, that is, if - * the method does not support multiple sites. - * This value should not be `free`:d. + * default site, `NULL` if there is none, that is, if + * the method does not support multiple sites; this + * value should not be `free`:d */ -const char* libgamma_method_default_site_variable(int method) __attribute__((const)); +const char *libgamma_method_default_site_variable(int) __attribute__((const)); /** - * Initialise an allocated site state. + * Initialise an allocated site state * - * @param this The site state to initialise. - * @param method The adjustment method (display server and protocol.) + * @param this The site state to initialise + * @param method The adjustment method (display server and protocol) * @param site The site identifier, unless it is `NULL` it must a * `free`:able. Once the state is destroyed the library * will attempt to free it. There you should not free @@ -156,422 +140,398 @@ const char* libgamma_method_default_site_variable(int method) __attribute__((con * or allocate on the stack. Note however that it will * not be `free`:d if this function fails. * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library. + * error identifier provided by this library */ -int libgamma_site_initialise(libgamma_site_state_t* restrict this, - int method, char* restrict site); +int libgamma_site_initialise(libgamma_site_state_t *restrict, int, char *restrict); /** - * Release all resources held by a site state. + * Release all resources held by a site state * - * @param this The site state. + * @param this The site state */ -void libgamma_site_destroy(libgamma_site_state_t* restrict this); +void libgamma_site_destroy(libgamma_site_state_t *restrict); /** * Release all resources held by a site state - * and free the site state pointer. + * and free the site state pointer * - * @param this The site state. + * @param this The site state */ -void libgamma_site_free(libgamma_site_state_t* restrict this); +void libgamma_site_free(libgamma_site_state_t *restrict); /** - * Restore the gamma ramps all CRTC:s within a site to the system settings. + * Restore the gamma ramps all CRTC:s within a site to the system settings * - * @param this The site state. + * @param this The site state * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library. + * error identifier provided by this library */ -int libgamma_site_restore(libgamma_site_state_t* restrict this); +int libgamma_site_restore(libgamma_site_state_t *restrict); /** - * Initialise an allocated partition state. + * Initialise an allocated partition state * - * @param this The partition state to initialise. - * @param site The site state for the site that the partition belongs to. - * @param partition The index of the partition within the site. + * @param this The partition state to initialise + * @param site The site state for the site that the partition belongs to + * @param partition The index of the partition within the site * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library. + * error identifier provided by this library */ -int libgamma_partition_initialise(libgamma_partition_state_t* restrict this, - libgamma_site_state_t* restrict site, size_t partition); +int libgamma_partition_initialise(libgamma_partition_state_t *restrict, libgamma_site_state_t *restrict, size_t); /** - * Release all resources held by a partition state. + * Release all resources held by a partition state * - * @param this The partition state. + * @param this The partition state */ -void libgamma_partition_destroy(libgamma_partition_state_t* restrict this); +void libgamma_partition_destroy(libgamma_partition_state_t *restrict); /** * Release all resources held by a partition state - * and free the partition state pointer. + * and free the partition state pointer * - * @param this The partition state. + * @param this The partition state */ -void libgamma_partition_free(libgamma_partition_state_t* restrict this); +void libgamma_partition_free(libgamma_partition_state_t *restrict); /** - * Restore the gamma ramps all CRTC:s within a partition to the system settings. + * Restore the gamma ramps all CRTC:s within a partition to the system settings * - * @param this The partition state. + * @param this The partition state * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library. + * error identifier provided by this library */ -int libgamma_partition_restore(libgamma_partition_state_t* restrict this); +int libgamma_partition_restore(libgamma_partition_state_t *restrict); /** - * Initialise an allocated CRTC state. + * Initialise an allocated CRTC state * - * @param this The CRTC state to initialise. - * @param partition The partition state for the partition that the CRTC belongs to. - * @param crtc The index of the CRTC within the partition. + * @param this The CRTC state to initialise + * @param partition The partition state for the partition that the CRTC belongs to + * @param crtc The index of the CRTC within the partition * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library. + * error identifier provided by this library */ -int libgamma_crtc_initialise(libgamma_crtc_state_t* restrict this, - libgamma_partition_state_t* restrict partition, size_t crtc); +int libgamma_crtc_initialise(libgamma_crtc_state_t *restrict, libgamma_partition_state_t *restrict, size_t); /** - * Release all resources held by a CRTC state. + * Release all resources held by a CRTC state * - * @param this The CRTC state. + * @param this The CRTC state */ -void libgamma_crtc_destroy(libgamma_crtc_state_t* restrict this); +void libgamma_crtc_destroy(libgamma_crtc_state_t *restrict); /** * Release all resources held by a CRTC state - * and free the CRTC state pointer. + * and free the CRTC state pointer * - * @param this The CRTC state. + * @param this The CRTC state */ -void libgamma_crtc_free(libgamma_crtc_state_t* restrict this); +void libgamma_crtc_free(libgamma_crtc_state_t *restrict); /** - * Restore the gamma ramps for a CRTC to the system settings for that CRTC. + * Restore the gamma ramps for a CRTC to the system settings for that CRTC * - * @param this The CRTC state. + * @param this The CRTC state * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library. + * error identifier provided by this library */ -int libgamma_crtc_restore(libgamma_crtc_state_t* restrict this); +int libgamma_crtc_restore(libgamma_crtc_state_t *restrict); /** - * Read information about a CRTC. + * Read information about a CRTC * - * @param this Instance of a data structure to fill with the information about the CRTC. - * @param crtc The state of the CRTC whose information should be read. - * @param fields OR:ed identifiers for the information about the CRTC that should be read. - * @return Zero on success, -1 on error. On error refer to the error reports in `this`. + * @param this Instance of a data structure to fill with the information about the CRTC + * @param crtc The state of the CRTC whose information should be read + * @param fields OR:ed identifiers for the information about the CRTC that should be read + * @return Zero on success, -1 on error; on error refer to the error reports in `this` */ -int libgamma_get_crtc_information(libgamma_crtc_information_t* restrict this, - libgamma_crtc_state_t* restrict crtc, int32_t fields); +int libgamma_get_crtc_information(libgamma_crtc_information_t *restrict, libgamma_crtc_state_t *restrict, int32_t); /** - * Release all resources in an information data structure for a CRTC. + * Release all resources in an information data structure for a CRTC * - * @param this The CRTC information. + * @param this The CRTC information */ -void libgamma_crtc_information_destroy(libgamma_crtc_information_t* restrict this); +void libgamma_crtc_information_destroy(libgamma_crtc_information_t *restrict); /** * Release all resources in an information data structure for a CRTC - * and free the data structure pointer. + * and free the data structure pointer * - * @param this The CRTC information. + * @param this The CRTC information */ -void libgamma_crtc_information_free(libgamma_crtc_information_t* restrict this); +void libgamma_crtc_information_free(libgamma_crtc_information_t *restrict); /** - * Convert a raw representation of an EDID to a lowercase hexadecimal representation. + * Convert a raw representation of an EDID to a lowercase hexadecimal representation * - * @param edid:const unsigned char* The EDID in raw representation. - * @param length:size_t The length of `edid`. + * @param edid:const unsigned char* The EDID in raw representation + * @param length:size_t The length of `edid` * @return :char* The EDID in lowercase hexadecimal representation, - * `NULL` on allocation error, `errno` will be set accordingly. + * `NULL` on allocation error, `errno` will be set accordingly */ -#define libgamma_behex_edid(edid, length) \ - libgamma_behex_edid_lowercase(edid, length) +#define libgamma_behex_edid(edid, length) libgamma_behex_edid_lowercase((edid), (length)) /** - * Convert a raw representation of an EDID to a lowercase hexadecimal representation. + * Convert a raw representation of an EDID to a lowercase hexadecimal representation * - * @param edid The EDID in raw representation. - * @param length The length of `edid`. - * @return The EDID in lowercase hexadecimal representation, - * `NULL` on allocation error, `errno` will be set accordingly. + * @param edid The EDID in raw representation + * @param length The length of `edid` + * @return The EDID in lowercase hexadecimal representation + * `NULL` on allocation error, `errno` will be set accordingly */ -char* libgamma_behex_edid_lowercase(const unsigned char* restrict edid, size_t length); +char *libgamma_behex_edid_lowercase(const unsigned char *restrict, size_t); /** - * Convert a raw representation of an EDID to an uppercase hexadecimal representation. + * Convert a raw representation of an EDID to an uppercase hexadecimal representation * - * @param edid The EDID in raw representation. - * @param length The length of `edid`. + * @param edid The EDID in raw representation + * @param length The length of `edid` * @return The EDID in uppercase hexadecimal representation, - * NULL` on allocation error, `errno` will be set accordingly. + * NULL` on allocation error, `errno` will be set accordingly */ -char* libgamma_behex_edid_uppercase(const unsigned char* restrict edid, size_t length); +char *libgamma_behex_edid_uppercase(const unsigned char *restrict, size_t); /** - * Convert an hexadecimal representation of an EDID to a raw representation. + * Convert an hexadecimal representation of an EDID to a raw representation * - * @param edid The EDID in hexadecimal representation. + * @param edid The EDID in hexadecimal representation * @return The EDID in raw representation, it will be half the length - * of `edid` (the input value). `NULL` on allocation error or - * if the EDID is malformated, `errno` will be set accordingly. + * of `edid` (the input value); `NULL` on allocation error or + * if the EDID is malformated, `errno` will be set accordingly */ -unsigned char* libgamma_unhex_edid(const char* restrict edid); +unsigned char *libgamma_unhex_edid(const char *restrict); /** - * Get the current gamma ramps for a CRTC, 8-bit gamma-depth version. + * Get the current gamma ramps for a CRTC, 8-bit gamma-depth version * - * @param this The CRTC state. + * @param this The CRTC state * @param ramps The gamma ramps to fill with the current values * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library. + * error identifier provided by this library */ -int libgamma_crtc_get_gamma_ramps8(libgamma_crtc_state_t* restrict this, - libgamma_gamma_ramps8_t* restrict ramps); +int libgamma_crtc_get_gamma_ramps8(libgamma_crtc_state_t *restrict, libgamma_gamma_ramps8_t *restrict); /** * Set the gamma ramps for a CRTC, 8-bit gamma-depth version. * - * @param this The CRTC state. - * @param ramps The gamma ramps to apply. + * @param this The CRTC state + * @param ramps The gamma ramps to apply * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library. + * error identifier provided by this library */ -int libgamma_crtc_set_gamma_ramps8(libgamma_crtc_state_t* restrict this, - libgamma_gamma_ramps8_t ramps); +int libgamma_crtc_set_gamma_ramps8(libgamma_crtc_state_t *restrict, libgamma_gamma_ramps8_t); /** - * Get the current gamma ramps for a CRTC, 16-bit gamma-depth version. + * Get the current gamma ramps for a CRTC, 16-bit gamma-depth version * - * @param this The CRTC state. + * @param this The CRTC state * @param ramps The gamma ramps to fill with the current values * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library. + * error identifier provided by this library */ -int libgamma_crtc_get_gamma_ramps16(libgamma_crtc_state_t* restrict this, - libgamma_gamma_ramps16_t* restrict ramps); +int libgamma_crtc_get_gamma_ramps16(libgamma_crtc_state_t *restrict, libgamma_gamma_ramps16_t *restrict); /** - * Set the gamma ramps for a CRTC, 16-bit gamma-depth version. + * Set the gamma ramps for a CRTC, 16-bit gamma-depth version * - * @param this The CRTC state. - * @param ramps The gamma ramps to apply. + * @param this The CRTC state + * @param ramps The gamma ramps to apply * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library. + * error identifier provided by this library */ -int libgamma_crtc_set_gamma_ramps16(libgamma_crtc_state_t* restrict this, - libgamma_gamma_ramps16_t ramps) __attribute__((hot)); +int libgamma_crtc_set_gamma_ramps16(libgamma_crtc_state_t *restrict, libgamma_gamma_ramps16_t) __attribute__((hot)); /** - * Get the current gamma ramps for a CRTC, 32-bit gamma-depth version. + * Get the current gamma ramps for a CRTC, 32-bit gamma-depth version * - * @param this The CRTC state. - * @param ramps The gamma ramps to fill with the current values. + * @param this The CRTC state + * @param ramps The gamma ramps to fill with the current values * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library. + * error identifier provided by this library */ -int libgamma_crtc_get_gamma_ramps32(libgamma_crtc_state_t* restrict this, - libgamma_gamma_ramps32_t* restrict ramps); +int libgamma_crtc_get_gamma_ramps32(libgamma_crtc_state_t *restrict, libgamma_gamma_ramps32_t *restrict); /** - * Set the gamma ramps for a CRTC, 32-bit gamma-depth version. + * Set the gamma ramps for a CRTC, 32-bit gamma-depth version * - * @param this The CRTC state. - * @param ramps The gamma ramps to apply. + * @param this The CRTC state + * @param ramps The gamma ramps to apply * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library. + * error identifier provided by this library */ -int libgamma_crtc_set_gamma_ramps32(libgamma_crtc_state_t* restrict this, - libgamma_gamma_ramps32_t ramps); +int libgamma_crtc_set_gamma_ramps32(libgamma_crtc_state_t *restrict, libgamma_gamma_ramps32_t); /** - * Get the current gamma ramps for a CRTC, 64-bit gamma-depth version. + * Get the current gamma ramps for a CRTC, 64-bit gamma-depth version * - * @param this The CRTC state. - * @param ramps The gamma ramps to fill with the current values. + * @param this The CRTC state + * @param ramps The gamma ramps to fill with the current values * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library. + * error identifier provided by this library */ -int libgamma_crtc_get_gamma_ramps64(libgamma_crtc_state_t* restrict this, - libgamma_gamma_ramps64_t* restrict ramps); +int libgamma_crtc_get_gamma_ramps64(libgamma_crtc_state_t *restrict, libgamma_gamma_ramps64_t *restrict); /** - * Set the gamma ramps for a CRTC, 64-bit gamma-depth version. + * Set the gamma ramps for a CRTC, 64-bit gamma-depth version * - * @param this The CRTC state. - * @param ramps The gamma ramps to apply. + * @param this The CRTC state + * @param ramps The gamma ramps to apply * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library. + * error identifier provided by this library */ -int libgamma_crtc_set_gamma_ramps64(libgamma_crtc_state_t* restrict this, - libgamma_gamma_ramps64_t ramps); +int libgamma_crtc_set_gamma_ramps64(libgamma_crtc_state_t *restrict, libgamma_gamma_ramps64_t); /** - * Set the gamma ramps for a CRTC, `float` version. + * Set the gamma ramps for a CRTC, `float` version * - * @param this The CRTC state. - * @param ramps The gamma ramps to apply. + * @param this The CRTC state + * @param ramps The gamma ramps to apply * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library. + * error identifier provided by this library */ -int libgamma_crtc_set_gamma_rampsf(libgamma_crtc_state_t* restrict this, - libgamma_gamma_rampsf_t ramps); +int libgamma_crtc_set_gamma_rampsf(libgamma_crtc_state_t *restrict, libgamma_gamma_rampsf_t); /** - * Get the current gamma ramps for a CRTC, `float` version. + * Get the current gamma ramps for a CRTC, `float` version * - * @param this The CRTC state. - * @param ramps The gamma ramps to fill with the current values. + * @param this The CRTC state + * @param ramps The gamma ramps to fill with the current values * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library. + * error identifier provided by this library */ -int libgamma_crtc_get_gamma_rampsf(libgamma_crtc_state_t* restrict this, - libgamma_gamma_rampsf_t* restrict ramps); +int libgamma_crtc_get_gamma_rampsf(libgamma_crtc_state_t *restrict, libgamma_gamma_rampsf_t *restrict); /** - * Get the current gamma ramps for a CRTC, `double` version. + * Get the current gamma ramps for a CRTC, `double` version * - * @param this The CRTC state. - * @param ramps The gamma ramps to fill with the current values. + * @param this The CRTC state + * @param ramps The gamma ramps to fill with the current values * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library. + * error identifier provided by this library */ -int libgamma_crtc_get_gamma_rampsd(libgamma_crtc_state_t* restrict this, - libgamma_gamma_rampsd_t* restrict ramps); +int libgamma_crtc_get_gamma_rampsd(libgamma_crtc_state_t *restrict, libgamma_gamma_rampsd_t *restrict); /** - * Set the gamma ramps for a CRTC, `double` version. + * Set the gamma ramps for a CRTC, `double` version * - * @param this The CRTC state. - * @param ramps The gamma ramps to apply. + * @param this The CRTC state + * @param ramps The gamma ramps to apply * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library. + * error identifier provided by this library */ -int libgamma_crtc_set_gamma_rampsd(libgamma_crtc_state_t* restrict this, - libgamma_gamma_rampsd_t ramps); +int libgamma_crtc_set_gamma_rampsd(libgamma_crtc_state_t *restrict, libgamma_gamma_rampsd_t); /** - * Set the gamma ramps for a CRTC, 8-bit gamma-depth function version. + * Set the gamma ramps for a CRTC, 8-bit gamma-depth function version * - * Note that this will probably involve the library allocating temporary data. + * Note that this will probably involve the library allocating temporary data * - * @param this The CRTC state. - * @param red_function The function that generates the gamma ramp for the red channel. - * @param green_function The function that generates the gamma ramp for the green channel. - * @param blue_function The function that generates the gamma ramp for the blue channel. + * @param this The CRTC state + * @param red_function The function that generates the gamma ramp for the red channel + * @param green_function The function that generates the gamma ramp for the green channel + * @param blue_function The function that generates the gamma ramp for the blue channel * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library. + * error identifier provided by this library */ -int libgamma_crtc_set_gamma_ramps8_f(libgamma_crtc_state_t* restrict this, - libgamma_gamma_ramps8_fun* red_function, - libgamma_gamma_ramps8_fun* green_function, - libgamma_gamma_ramps8_fun* blue_function) __attribute__((cold)); +__attribute__((cold)) +int libgamma_crtc_set_gamma_ramps8_f(libgamma_crtc_state_t *restrict, libgamma_gamma_ramps8_fun *, + libgamma_gamma_ramps8_fun *, libgamma_gamma_ramps8_fun *); /** - * Set the gamma ramps for a CRTC, 16-bit gamma-depth function version. + * Set the gamma ramps for a CRTC, 16-bit gamma-depth function version * - * Note that this will probably involve the library allocating temporary data. + * Note that this will probably involve the library allocating temporary data * - * @param this The CRTC state. - * @param red_function The function that generates the gamma ramp for the red channel. - * @param green_function The function that generates the gamma ramp for the green channel. - * @param blue_function The function that generates the gamma ramp for the blue channel. + * @param this The CRTC state + * @param red_function The function that generates the gamma ramp for the red channel + * @param green_function The function that generates the gamma ramp for the green channel + * @param blue_function The function that generates the gamma ramp for the blue channel * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library. + * error identifier provided by this library */ -int libgamma_crtc_set_gamma_ramps16_f(libgamma_crtc_state_t* restrict this, - libgamma_gamma_ramps16_fun* red_function, - libgamma_gamma_ramps16_fun* green_function, - libgamma_gamma_ramps16_fun* blue_function) __attribute__((cold)); +__attribute__((cold)) +int libgamma_crtc_set_gamma_ramps16_f(libgamma_crtc_state_t *restrict, libgamma_gamma_ramps16_fun *, + libgamma_gamma_ramps16_fun *, libgamma_gamma_ramps16_fun *); /** - * Set the gamma ramps for a CRTC, 32-bit gamma-depth function version. + * Set the gamma ramps for a CRTC, 32-bit gamma-depth function version * - * Note that this will probably involve the library allocating temporary data. + * Note that this will probably involve the library allocating temporary data * - * @param this The CRTC state. - * @param red_function The function that generates the gamma ramp for the red channel. - * @param green_function The function that generates the gamma ramp for the green channel. - * @param blue_function The function that generates the gamma ramp for the blue channel. + * @param this The CRTC state + * @param red_function The function that generates the gamma ramp for the red channel + * @param green_function The function that generates the gamma ramp for the green channel + * @param blue_function The function that generates the gamma ramp for the blue channel * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library. + * error identifier provided by this library */ -int libgamma_crtc_set_gamma_ramps32_f(libgamma_crtc_state_t* restrict this, - libgamma_gamma_ramps32_fun* red_function, - libgamma_gamma_ramps32_fun* green_function, - libgamma_gamma_ramps32_fun* blue_function) __attribute__((cold)); +__attribute__((cold)) +int libgamma_crtc_set_gamma_ramps32_f(libgamma_crtc_state_t *restrict, libgamma_gamma_ramps32_fun *, + libgamma_gamma_ramps32_fun *, libgamma_gamma_ramps32_fun *); /** - * Set the gamma ramps for a CRTC, 64-bit gamma-depth function version. + * Set the gamma ramps for a CRTC, 64-bit gamma-depth function version * - * Note that this will probably involve the library allocating temporary data. + * Note that this will probably involve the library allocating temporary data * - * @param this The CRTC state. - * @param red_function The function that generates the gamma ramp for the red channel. - * @param green_function The function that generates the gamma ramp for the green channel. - * @param blue_function The function that generates the gamma ramp for the blue channel. + * @param this The CRTC state + * @param red_function The function that generates the gamma ramp for the red channel + * @param green_function The function that generates the gamma ramp for the green channel + * @param blue_function The function that generates the gamma ramp for the blue channel * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library. + * error identifier provided by this library */ -int libgamma_crtc_set_gamma_ramps64_f(libgamma_crtc_state_t* restrict this, - libgamma_gamma_ramps64_fun* red_function, - libgamma_gamma_ramps64_fun* green_function, - libgamma_gamma_ramps64_fun* blue_function) __attribute__((cold)); +__attribute__((cold)); +int libgamma_crtc_set_gamma_ramps64_f(libgamma_crtc_state_t *restrict, libgamma_gamma_ramps64_fun *, + libgamma_gamma_ramps64_fun *, libgamma_gamma_ramps64_fun *); /** - * Set the gamma ramps for a CRTC, `float` function version. + * Set the gamma ramps for a CRTC, `float` function version * - * Note that this will probably involve the library allocating temporary data. + * Note that this will probably involve the library allocating temporary data * - * @param this The CRTC state. - * @param red_function The function that generates the gamma ramp for the red channel. - * @param green_function The function that generates the gamma ramp for the green channel. - * @param blue_function The function that generates the gamma ramp for the blue channel. + * @param this The CRTC state + * @param red_function The function that generates the gamma ramp for the red channel + * @param green_function The function that generates the gamma ramp for the green channel + * @param blue_function The function that generates the gamma ramp for the blue channel * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library. + * error identifier provided by this library */ -int libgamma_crtc_set_gamma_rampsf_f(libgamma_crtc_state_t* restrict this, - libgamma_gamma_rampsf_fun* red_function, - libgamma_gamma_rampsf_fun* green_function, - libgamma_gamma_rampsf_fun* blue_function) __attribute__((cold)); +__attribute__((cold)) +int libgamma_crtc_set_gamma_rampsf_f(libgamma_crtc_state_t *restrict, libgamma_gamma_rampsf_fun *, + libgamma_gamma_rampsf_fun *, libgamma_gamma_rampsf_fun *); /** - * Set the gamma ramps for a CRTC, `double` function version. + * Set the gamma ramps for a CRTC, `double` function version * - * Note that this will probably involve the library allocating temporary data. + * Note that this will probably involve the library allocating temporary data * - * @param this The CRTC state. - * @param red_function The function that generates the gamma ramp for the red channel. - * @param green_function The function that generates the gamma ramp for the green channel. - * @param blue_function The function that generates the gamma ramp for the blue channel. + * @param this The CRTC state + * @param red_function The function that generates the gamma ramp for the red channel + * @param green_function The function that generates the gamma ramp for the green channel + * @param blue_function The function that generates the gamma ramp for the blue channel * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library. + * error identifier provided by this library */ -int libgamma_crtc_set_gamma_rampsd_f(libgamma_crtc_state_t* restrict this, - libgamma_gamma_rampsd_fun* red_function, - libgamma_gamma_rampsd_fun* green_function, - libgamma_gamma_rampsd_fun* blue_function) __attribute__((cold)); +__attribute__((cold)) +int libgamma_crtc_set_gamma_rampsd_f(libgamma_crtc_state_t *restrict, libgamma_gamma_rampsd_fun *, + libgamma_gamma_rampsd_fun *, libgamma_gamma_rampsd_fun *); -#ifndef __GCC__ +#ifndef __GNUC__ # undef __attribute__ #endif #endif - |