diff options
Diffstat (limited to '')
| -rw-r--r-- | fake-quartz-cg.c (renamed from src/lib/fake-quartz-cg.c) | 0 | ||||
| -rw-r--r-- | fake-quartz-cg.h (renamed from src/lib/fake-quartz-cg.h) | 0 | ||||
| -rw-r--r-- | fake-w32-gdi.c (renamed from src/lib/fake-w32-gdi.c) | 0 | ||||
| -rw-r--r-- | fake-w32-gdi.h (renamed from src/lib/fake-w32-gdi.h) | 0 | ||||
| -rw-r--r-- | gamma-dummy.c.gpp (renamed from src/lib/gamma-dummy.c.gpp) | 10 | ||||
| -rw-r--r-- | gamma-dummy.h (renamed from src/lib/gamma-dummy.h) | 7 | ||||
| -rw-r--r-- | gamma-linux-drm.c (renamed from src/lib/gamma-linux-drm.c) | 6 | ||||
| -rw-r--r-- | gamma-linux-drm.h (renamed from src/lib/gamma-linux-drm.h) | 11 | ||||
| -rw-r--r-- | gamma-quartz-cg.c (renamed from src/lib/gamma-quartz-cg.c) | 0 | ||||
| -rw-r--r-- | gamma-quartz-cg.h (renamed from src/lib/gamma-quartz-cg.h) | 9 | ||||
| -rw-r--r-- | gamma-w32-gdi.c (renamed from src/lib/gamma-w32-gdi.c) | 0 | ||||
| -rw-r--r-- | gamma-w32-gdi.h (renamed from src/lib/gamma-w32-gdi.h) | 11 | ||||
| -rw-r--r-- | gamma-x-randr.c (renamed from src/lib/gamma-x-randr.c) | 4 | ||||
| -rw-r--r-- | gamma-x-randr.h (renamed from src/lib/gamma-x-randr.h) | 9 | ||||
| -rw-r--r-- | gamma-x-vidmode.c (renamed from src/lib/gamma-x-vidmode.c) | 0 | ||||
| -rw-r--r-- | gamma-x-vidmode.h (renamed from src/lib/gamma-x-vidmode.h) | 11 | ||||
| -rw-r--r-- | libgamma_internal_parse_edid.c (renamed from src/lib/edid.c) | 12 | ||||
| -rw-r--r-- | src/lib/edid.h | 22 | ||||
| -rw-r--r-- | src/lib/gamma-helper.c | 372 | ||||
| -rw-r--r-- | src/lib/gamma-helper.h | 144 | ||||
| -rw-r--r-- | src/lib/libgamma-error.c.gpp | 178 | ||||
| -rw-r--r-- | src/lib/libgamma-error.h | 379 | ||||
| -rw-r--r-- | src/lib/libgamma-facade.c.gpp | 1097 | ||||
| -rw-r--r-- | src/lib/libgamma-facade.h | 537 | ||||
| -rw-r--r-- | src/lib/libgamma-method.c | 324 | ||||
| -rw-r--r-- | src/lib/libgamma-method.h | 1323 | ||||
| -rw-r--r-- | src/lib/libgamma.h | 11 |
27 files changed, 21 insertions, 4456 deletions
diff --git a/src/lib/fake-quartz-cg.c b/fake-quartz-cg.c index 75f1fb2..75f1fb2 100644 --- a/src/lib/fake-quartz-cg.c +++ b/fake-quartz-cg.c diff --git a/src/lib/fake-quartz-cg.h b/fake-quartz-cg.h index 361a73c..361a73c 100644 --- a/src/lib/fake-quartz-cg.h +++ b/fake-quartz-cg.h diff --git a/src/lib/fake-w32-gdi.c b/fake-w32-gdi.c index 68847ca..68847ca 100644 --- a/src/lib/fake-w32-gdi.c +++ b/fake-w32-gdi.c diff --git a/src/lib/fake-w32-gdi.h b/fake-w32-gdi.h index bcc2fa9..bcc2fa9 100644 --- a/src/lib/fake-w32-gdi.h +++ b/fake-w32-gdi.h diff --git a/src/lib/gamma-dummy.c.gpp b/gamma-dummy.c.gpp index a9aa724..4cc758d 100644 --- a/src/lib/gamma-dummy.c.gpp +++ b/gamma-dummy.c.gpp @@ -669,7 +669,7 @@ libgamma_dummy_get_crtc_information(libgamma_crtc_information_t *restrict this, if (this->edid_error) this->width_mm_edid_error = this->height_mm_edid_error = this->gamma_error = this->edid_error; else if (fields & (LIBGAMMA_CRTC_INFO_MACRO_EDID ^ LIBGAMMA_CRTC_INFO_EDID)) - e |= libgamma_parse_edid(this, fields); + e |= libgamma_internal_parse_edid(this, fields); /* Test errors */ #define _E(FIELD, VAR)\ @@ -717,7 +717,7 @@ int libgamma_dummy_crtc_get_gamma_${2}(libgamma_crtc_state_t *restrict this, libgamma_gamma_${2}_t *restrict ramps) { libgamma_dummy_crtc_t *data = this->data; - libgamma_gamma_ramps_any_t ramps_; + gamma_ramps_any_t ramps_; ${1}* r_ramp = data->gamma_red; ${1}* g_ramp = data->gamma_green; ${1}* b_ramp = data->gamma_blue; @@ -742,7 +742,7 @@ libgamma_dummy_crtc_get_gamma_${2}(libgamma_crtc_state_t *restrict this, libgamm do {\ if (data->info.gamma_depth == DEPTH) {\ ramps_.${3} = *ramps;\ - return libgamma_translated_ramp_get(this, &ramps_, ${4}, DEPTH, libgamma_crtc_get_gamma_ramps ## SUFFIX);\ + return libgamma_internal_translated_ramp_get(this, &ramps_, ${4}, DEPTH, libgamma_crtc_get_gamma_ramps ## SUFFIX);\ }\ } while (0) @@ -796,7 +796,7 @@ int libgamma_dummy_crtc_set_gamma_${2}(libgamma_crtc_state_t *restrict this, libgamma_gamma_${2}_t ramps) { libgamma_dummy_crtc_t *data = this->data; - libgamma_gamma_ramps_any_t ramps_; + gamma_ramps_any_t ramps_; ${1} *r_ramp = data->gamma_red; ${1} *g_ramp = data->gamma_green; ${1} *b_ramp = data->gamma_blue; @@ -821,7 +821,7 @@ libgamma_dummy_crtc_set_gamma_${2}(libgamma_crtc_state_t *restrict this, libgamm do {\ if (data->info.gamma_depth == DEPTH) {\ ramps_.${3} = ramps;\ - return libgamma_translated_ramp_set(this, ramps_, ${4}, DEPTH, libgamma_crtc_set_gamma_ramps ## SUFFIX);\ + return libgamma_internal_translated_ramp_set(this, ramps_, ${4}, DEPTH, libgamma_crtc_set_gamma_ramps ## SUFFIX);\ }\ } while (0) diff --git a/src/lib/gamma-dummy.h b/gamma-dummy.h index a52b087..684934e 100644 --- a/src/lib/gamma-dummy.h +++ b/gamma-dummy.h @@ -2,13 +2,6 @@ #ifndef LIBGAMMA_GAMMA_DUMMY_H #define LIBGAMMA_GAMMA_DUMMY_H -#ifndef HAVE_LIBGAMMA_METHOD_DUMMY -# error Including gamma-dummy.h without HAVE_LIBGAMMA_METHOD_DUMMY -#endif - - -#include "libgamma-method.h" - /** * Return the capabilities of the adjustment method diff --git a/src/lib/gamma-linux-drm.c b/gamma-linux-drm.c index c2fc646..25a5861 100644 --- a/src/lib/gamma-linux-drm.c +++ b/gamma-linux-drm.c @@ -803,7 +803,7 @@ libgamma_linux_drm_get_crtc_information(libgamma_crtc_information_t *restrict th } /* Parse EDID */ if (fields & (LIBGAMMA_CRTC_INFO_MACRO_EDID ^ LIBGAMMA_CRTC_INFO_EDID)) - e |= libgamma_parse_edid(this, fields); + e |= libgamma_internal_parse_edid(this, fields); cont: /* Get gamma ramp size */ @@ -890,8 +890,8 @@ libgamma_linux_drm_crtc_set_gamma_ramps16(libgamma_crtc_state_t *restrict this, case EBADF: case ENODEV: case ENXIO: - /* XXX: I have not actually tested removing my graphics card or, - * monitor but I imagine either of these is what would happen. */ + /* TODO: I have not actually tested removing my graphics card or, + * monitor but I imagine either of these is what would happen. */ return LIBGAMMA_GRAPHICS_CARD_REMOVED; default: diff --git a/src/lib/gamma-linux-drm.h b/gamma-linux-drm.h index 41a654d..a8f1e1c 100644 --- a/src/lib/gamma-linux-drm.h +++ b/gamma-linux-drm.h @@ -2,13 +2,6 @@ #ifndef LIBGAMMA_GAMMA_LINUX_DRM_H #define LIBGAMMA_GAMMA_LINUX_DRM_H -#ifndef HAVE_LIBGAMMA_METHOD_LINUX_DRM -# error Including gamma-linux-drm.h without HAVE_LIBGAMMA_METHOD_LINUX_DRM -#endif - - -#include "libgamma-method.h" - /** * Return the capabilities of the adjustment method @@ -37,7 +30,7 @@ int libgamma_linux_drm_site_initialise(libgamma_site_state_t *restrict, char *re * * @param this The site state */ -void libgamma_linux_drm_site_destroy(libgamma_site_state_t *restrict) __attribute__((const)); +void libgamma_linux_drm_site_destroy(libgamma_site_state_t *restrict); /** * Restore the gamma ramps all CRTC:s with a site to the system settings @@ -93,7 +86,7 @@ int libgamma_linux_drm_crtc_initialise(libgamma_crtc_state_t *restrict, libgamma * * @param this The CRTC state */ -void libgamma_linux_drm_crtc_destroy(libgamma_crtc_state_t *restrict) __attribute__((const)); +void libgamma_linux_drm_crtc_destroy(libgamma_crtc_state_t *restrict); /** * Restore the gamma ramps for a CRTC to the system settings for that CRTC diff --git a/src/lib/gamma-quartz-cg.c b/gamma-quartz-cg.c index b0e3a29..b0e3a29 100644 --- a/src/lib/gamma-quartz-cg.c +++ b/gamma-quartz-cg.c diff --git a/src/lib/gamma-quartz-cg.h b/gamma-quartz-cg.h index 211e055..6044680 100644 --- a/src/lib/gamma-quartz-cg.h +++ b/gamma-quartz-cg.h @@ -2,13 +2,6 @@ #ifndef LIBGAMMA_GAMMA_QUARTZ_CG_H #define LIBGAMMA_GAMMA_QUARTZ_CG_H -#ifndef HAVE_LIBGAMMA_METHOD_QUARTZ_CORE_GRAPHICS -# error Including gamma-quartz-cg.h without HAVE_LIBGAMMA_METHOD_QUARTZ_CORE_GRAPHICS -#endif - - -#include "libgamma-method.h" - /** * Return the capabilities of the adjustment method @@ -94,7 +87,7 @@ int libgamma_quartz_cg_crtc_initialise(libgamma_crtc_state_t *restrict, libgamma * * @param this The CRTC state */ -void libgamma_quartz_cg_crtc_destroy(libgamma_crtc_state_t *restrict) __attribute__((const)); +void libgamma_quartz_cg_crtc_destroy(libgamma_crtc_state_t *restrict); /** * Restore the gamma ramps for a CRTC to the system settings for that CRTC diff --git a/src/lib/gamma-w32-gdi.c b/gamma-w32-gdi.c index e93b53d..e93b53d 100644 --- a/src/lib/gamma-w32-gdi.c +++ b/gamma-w32-gdi.c diff --git a/src/lib/gamma-w32-gdi.h b/gamma-w32-gdi.h index d139f16..245a94d 100644 --- a/src/lib/gamma-w32-gdi.h +++ b/gamma-w32-gdi.h @@ -2,13 +2,6 @@ #ifndef LIBGAMMA_GAMMA_W32_GDI_H #define LIBGAMMA_GAMMA_W32_GDI_H -#ifndef HAVE_LIBGAMMA_METHOD_W32_GDI -# error Including gamma-w32-gdi.h without HAVE_LIBGAMMA_METHOD_W32_GDI -#endif - - -#include "libgamma-method.h" - /** * Return the capabilities of the adjustment method @@ -37,7 +30,7 @@ int libgamma_w32_gdi_site_initialise(libgamma_site_state_t *restrict, char *rest * * @param this The site state */ -void libgamma_w32_gdi_site_destroy(libgamma_site_state_t *restrict) __attribute__((const)); +void libgamma_w32_gdi_site_destroy(libgamma_site_state_t *restrict); /** * Restore the gamma ramps all CRTC:s with a site to the system settings @@ -65,7 +58,7 @@ int libgamma_w32_gdi_partition_initialise(libgamma_partition_state_t *restrict, * * @param this The partition state */ -void libgamma_w32_gdi_partition_destroy(libgamma_partition_state_t *restrict) __attribute__((const)); +void libgamma_w32_gdi_partition_destroy(libgamma_partition_state_t *restrict); /** * Restore the gamma ramps all CRTC:s with a partition to the system settings diff --git a/src/lib/gamma-x-randr.c b/gamma-x-randr.c index fce65d1..95d730c 100644 --- a/src/lib/gamma-x-randr.c +++ b/gamma-x-randr.c @@ -192,7 +192,7 @@ libgamma_x_randr_site_initialise(libgamma_site_state_t *restrict this, char *res /* Release resources */ free(reply); /* If `xcb_connect` failed, both `error` and `reply` will be `NULL`. - XXX: Can both be `NULL` for any other reason? */ + * TODO: Can both be `NULL` for any other reason? */ if (!error && !reply) return LIBGAMMA_OPEN_SITE_FAILED; xcb_disconnect(connection); @@ -874,7 +874,7 @@ libgamma_x_randr_get_crtc_information(libgamma_crtc_information_t *restrict this } /* Parse EDID */ if ((fields & (LIBGAMMA_CRTC_INFO_MACRO_EDID ^ LIBGAMMA_CRTC_INFO_EDID))) - e |= libgamma_parse_edid(this, fields); + e |= libgamma_internal_parse_edid(this, fields); cont: /* Get gamma ramp size */ diff --git a/src/lib/gamma-x-randr.h b/gamma-x-randr.h index 59c64bc..3591192 100644 --- a/src/lib/gamma-x-randr.h +++ b/gamma-x-randr.h @@ -2,13 +2,6 @@ #ifndef LIBGAMMA_GAMMA_X_RANDR_H #define LIBGAMMA_GAMMA_X_RANDR_H -#ifndef HAVE_LIBGAMMA_METHOD_X_RANDR -# error Including gamma-x-randr.h without HAVE_LIBGAMMA_METHOD_X_RANDR -#endif - - -#include "libgamma-method.h" - /** * Return the capabilities of the adjustment method @@ -93,7 +86,7 @@ int libgamma_x_randr_crtc_initialise(libgamma_crtc_state_t *restrict, libgamma_p * * @param this The CRTC state */ -void libgamma_x_randr_crtc_destroy(libgamma_crtc_state_t *restrict) __attribute__((const)); +void libgamma_x_randr_crtc_destroy(libgamma_crtc_state_t *restrict); /** * Restore the gamma ramps for a CRTC to the system settings for that CRTC diff --git a/src/lib/gamma-x-vidmode.c b/gamma-x-vidmode.c index bae9d31..bae9d31 100644 --- a/src/lib/gamma-x-vidmode.c +++ b/gamma-x-vidmode.c diff --git a/src/lib/gamma-x-vidmode.h b/gamma-x-vidmode.h index 618d5c4..8a95442 100644 --- a/src/lib/gamma-x-vidmode.h +++ b/gamma-x-vidmode.h @@ -2,13 +2,6 @@ #ifndef LIBGAMMA_GAMMA_X_VIDMODE_H #define LIBGAMMA_GAMMA_X_VIDMODE_H -#ifndef HAVE_LIBGAMMA_METHOD_X_VIDMODE -# error Including gamma-x-vidmode.h without HAVE_LIBGAMMA_METHOD_X_VIDMODE -#endif - - -#include "libgamma-method.h" - /** * Return the capabilities of the adjustment method @@ -65,7 +58,7 @@ int libgamma_x_vidmode_partition_initialise(libgamma_partition_state_t *restrict * * @param this The partition state */ -void libgamma_x_vidmode_partition_destroy(libgamma_partition_state_t *restrict) __attribute__((const)); +void libgamma_x_vidmode_partition_destroy(libgamma_partition_state_t *restrict); /** * Restore the gamma ramps all CRTC:s with a partition to the system settings @@ -94,7 +87,7 @@ int libgamma_x_vidmode_crtc_initialise(libgamma_crtc_state_t *restrict, libgamma * * @param this The CRTC state */ -void libgamma_x_vidmode_crtc_destroy(libgamma_crtc_state_t *restrict) __attribute__((const)); +void libgamma_x_vidmode_crtc_destroy(libgamma_crtc_state_t *restrict); /** * Restore the gamma ramps for a CRTC to the system settings for that CRTC diff --git a/src/lib/edid.c b/libgamma_internal_parse_edid.c index fc7b498..aa1b87c 100644 --- a/src/lib/edid.c +++ b/libgamma_internal_parse_edid.c @@ -1,10 +1,5 @@ /* See LICENSE file for copyright and license details. */ -#include "edid.h" - -#include "libgamma-method.h" -#include "libgamma-error.h" - -#include <stdint.h> +#include "common.h" /* @@ -26,7 +21,7 @@ * @return Non-zero on error */ int -libgamma_parse_edid(libgamma_crtc_information_t *restrict this, int32_t fields) +libgamma_internal_parse_edid(libgamma_crtc_information_t *restrict this, int32_t fields) { #define __test_version(edid, major, minor_min, minor_max)\ ((edid)[18] == (major) && (minor_min) <= (edid)[19] && (edid)[19] <= (minor_max)) @@ -79,10 +74,9 @@ libgamma_parse_edid(libgamma_crtc_information_t *restrict this, int32_t fields) /* If not error has occurred, calculate and test the checksum. It is not considered an error that the gamma characteristics is left unspecified in the EDID. */ - if (!error) { + if (!error) for (i = 0; i < this->edid_length; i++) checksum += (int)this->edid[i]; - } /* The checksum should be zero. */ if (checksum & 255) { /* Store the error in all fields that require the EDID to be parsed, diff --git a/src/lib/edid.h b/src/lib/edid.h deleted file mode 100644 index 51529ae..0000000 --- a/src/lib/edid.h +++ /dev/null @@ -1,22 +0,0 @@ -/* See LICENSE file for copyright and license details. */ -#ifndef LIBGAMMA_EDID_H -#define LIBGAMMA_EDID_H - -#include "libgamma-method.h" - -#include <stdint.h> - - -/** - * Parse the EDID of a monitor - * - * @param this Instance of a data structure to fill with the information about the EDID; - * it must contain the EDID and its length - * @param fields OR:ed identifiers for the information about the EDID that should be parsed; - * fields that do not have to do with EDID are ignored - * @return Non-zero on error - */ -int libgamma_parse_edid(libgamma_crtc_information_t *restrict, int32_t); - - -#endif diff --git a/src/lib/gamma-helper.c b/src/lib/gamma-helper.c deleted file mode 100644 index f67e107..0000000 --- a/src/lib/gamma-helper.c +++ /dev/null @@ -1,372 +0,0 @@ -/* See LICENSE file for copyright and license details. */ -#include "gamma-helper.h" - -#include "libgamma-method.h" -#include "libgamma-error.h" - -#include <errno.h> -#include <stdlib.h> -#include <stdint.h> - - -/** - * Just an arbitrary version - */ -#define ANY bits64 - -/** - * Concatenation of all ramps - */ -#define ALL red - - -/** - * Preform installation in an `for (i = 0; i < n; i++)` - * loop and do a `break` afterwords - */ -#define __translate(instruction) for (i = 0; i < n; i++) instruction; break - - -/** - * Convert a [0, 1] `float` to a full range `uint64_t` - * and mark sure rounding errors does not cause the - * value be 0 instead of ~0 and vice versa - * - * @param value To `float` to convert - * @return The value as an `uint64_t` - */ -static inline uint64_t -float_to_64(float value) -{ - /* TODO Which is faster? */ - -#if defined(HAVE_INT128) && __WORDSIZE == 64 - /* `__int128` is a GNU C extension, which - (because it is not ISO C) emits a warning - under -pedantic */ -# pragma GCC diagnostic push -# pragma GCC diagnostic ignored "-Wpedantic" - - /* In GCC we can use `__int128`, this is - a signed 128-bit integer. It fits all - uint64_t values but also native values, - which is a nice because it eleminates - some overflow condition tests. It is - also more readable. */ - - /* Convert to integer */ - __int128 product = (__int128)(value * (float)UINT64_MAX); - /* Negative overflow */ - if (product > UINT64_MAX) - return UINT64_MAX; - /* Positive overflow */ - if (product < 0) - return 0; - /* Did not overflow */ - return (uint64_t)product; - -# pragma GCC diagnostic pop -#else - - /* If we are not using GCC we cannot be - sure that we have `__int128` so we have - to use `uint64_t` and perform overflow - checkes based on the input value */ - - /* Convert to integer. */ - uint64_t product = (uint64_t)(value * (float)UINT64_MAX); - /* Negative overflow, - if the input is less than 0.5 but - the output is greater then we got - -1 when we should have gotten 0 */ - if (value < 0.1f && product > 0xF000000000000000ULL) - return 0; - /* Positive overflow, - if the input is greater than 0.5 - but the output is less then we got - 0 when we should have gotten ~0 */ - else if (value > 0.9f && product < 0x1000000000000000ULL) - return (uint64_t)~0; - /* Did not overflow */ - return product; - -#endif -} - - -/** - * Convert a [0, 1] `double` to a full range `uint64_t` - * and mark sure rounding errors does not cause the - * value be 0 instead of ~0 and vice versa - * - * @param value To `double` to convert - * @return The value as an `uint64_t` - */ -static inline uint64_t -double_to_64(double value) -{ - /* XXX Which is faster? */ - -#if defined(HAVE_INT128) && __WORDSIZE == 64 - /* `__int128` is a GNU C extension, which - (because it is not ISO C) emits a warning - under -pedantic */ -# pragma GCC diagnostic push -# pragma GCC diagnostic ignored "-Wpedantic" - - /* In GCC we can use `__int128`, this is - a signed 128-bit integer. It fits all - uint64_t values but also native values, - which is a nice because it eleminates - some overflow condition tests. It is - also more readable. */ - - /* Convert to integer */ - __int128 product = (__int128)(value * (double)UINT64_MAX); - /* Negative overflow */ - if (product > UINT64_MAX) - return UINT64_MAX; - /* Positive overflow */ - if (product < 0) - return 0; - /* Did not overflow */ - return (uint64_t)product; - -# pragma GCC diagnostic pop -#else - - /* If we are not using GCC we cannot be - sure that we have `__int128` so we have - to use `uint64_t` and perform overflow - checkes based on the input value. */ - - /* Convert to integer. */ - uint64_t product = (uint64_t)(value * (double)UINT64_MAX); - /* Negative overflow, - if the input is less than 0.5 but - the output is greater then we got - -1 when we should have gotten 0 */ - if (value < (double)0.1f && product > 0xF000000000000000ULL) - product = 0; - /* Positive overflow, - if the input is greater than 0.5 - but the output is less then we got - 0 when we should have gotten ~0 */ - else if ((value > (double)0.9f) && (product < 0x1000000000000000ULL)) - product = (uint64_t)~0; - /* Did not overflow */ - return product; - -#endif -} - - -/** - * Convert any set of gamma ramps into a 64-bit integer array with all channels - * - * @param depth The depth of the gamma ramp, `-1` for `float`, `-2` for `double` - * @param n The grand size of gamma ramps (sum of all channels' sizes) - * @param out Output array - * @param in Input gamma ramps - */ -static void -translate_to_64(signed depth, size_t n, uint64_t *restrict out, libgamma_gamma_ramps_any_t in) -{ - size_t i; - switch (depth) { - /* Translate integer */ - case 8: __translate(out[i] = (uint64_t)(in.bits8. ALL[i]) * 0x0101010101010101ULL); - case 16: __translate(out[i] = (uint64_t)(in.bits16.ALL[i]) * 0x0001000100010001ULL); - case 32: __translate(out[i] = (uint64_t)(in.bits32.ALL[i]) * 0x0000000100000001ULL); - /* Identity translation */ - case 64: __translate(out[i] = in.bits64.ALL[i]); - /* Translate floating point */ - case -1: __translate(out[i] = float_to_64(in.float_single.ALL[i])); - case -2: __translate(out[i] = double_to_64(in.float_double.ALL[i])); - default: - /* This is not possible */ - abort(); - break; - } -} - - -/** - * Undo the actions of `translate_to_64` - * - * @param depth The depth of the gamma ramp, `-1` for `float`, `-2` for `double` - * @param n The grand size of gamma ramps (sum of all channels' sizes) - * @param out Output gamma ramps - * @param in Input array, may be modified - */ -static void -translate_from_64(signed depth, size_t n, libgamma_gamma_ramps_any_t out, uint64_t *restrict in) -{ - size_t i; - switch (depth) { - /* Translate integer */ - case 8: __translate(out.bits8. ALL[i] = (uint8_t)(in[i] / 0x0101010101010101ULL)); - case 16: __translate(out.bits16.ALL[i] = (uint16_t)(in[i] / 0x0001000100010001ULL)); - case 32: __translate(out.bits32.ALL[i] = (uint32_t)(in[i] / 0x0000000100000001ULL)); - /* Identity translation */ - case 64: __translate(out.bits64.ALL[i] = in[i]); - /* Translate floating point */ - case -1: __translate(out.float_single.ALL[i] = (float)(in[i]) / (float)UINT64_MAX); - case -2: __translate(out.float_double.ALL[i] = (double)(in[i]) / (double)UINT64_MAX); - default: - /* This is not possible */ - abort(); - break; - } -} - - -/** - * Allocate and initalise a gamma ramp with any depth - * - * @param ramps_sys Output gamma ramps - * @param ramps The gamma ramps whose sizes should be duplicated - * @param depth The depth of the gamma ramps to allocate, - * `-1` for `float`, `-2` for `double` - * @param elements Output reference for the grand size of the gamma ramps - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -static int -allocated_any_ramp(libgamma_gamma_ramps_any_t *restrict ramps_sys, - libgamma_gamma_ramps_any_t ramps, signed depth, size_t *restrict elements) -{ - /* Calculate the size of the allocation to do */ - size_t d, n = ramps.ANY.red_size + ramps.ANY.green_size + ramps.ANY.blue_size; - switch (depth) { - case 8: d = sizeof(uint8_t); break; - case 16: d = sizeof(uint16_t); break; - case 32: d = sizeof(uint32_t); break; - case 64: d = sizeof(uint64_t); break; - case -1: d = sizeof(float); break; - case -2: d = sizeof(double); break; - default: - return errno = EINVAL, LIBGAMMA_ERRNO_SET; - } - - /* Copy the gamma ramp sizes */ - ramps_sys->ANY = ramps.ANY; - /* Allocate the new ramps */ -#ifdef HAVE_LIBGAMMA_METHOD_LINUX_DRM - /* Valgrind complains about us reading uninitialize memory if we just use malloc */ - ramps_sys->ANY.red = calloc(n, d); -#else - ramps_sys->ANY.red = malloc(n * d); -#endif - ramps_sys->ANY.green = (void *)&((char *)ramps_sys->ANY. red)[ramps.ANY. red_size * d / sizeof(char)]; - ramps_sys->ANY.blue = (void *)&((char *)ramps_sys->ANY.green)[ramps.ANY.green_size * d / sizeof(char)]; - - /* Report the total gamma ramp size */ - *elements = n; - /* Report successfulness */ - return ramps_sys->ANY.red ? 0 : LIBGAMMA_ERRNO_SET; -} - - -/** - * Get the current gamma ramps for a CRTC, re-encoding version - * - * @param this The CRTC state - * @param ramps The gamma ramps to fill with the current values - * @param depth_user The depth of the gamma ramps that are provided by the user, - * `-1` for `float`, `-2` for `double` - * @param depth_system The depth of the gamma ramps as required by the adjustment method, - * `-1` for `float`, `-2` for `double` - * @param fun Function that is to be used read the ramps, its parameters have - * the same function as those of this function with the same names, - * and the return value too is identical - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -int -libgamma_translated_ramp_get_(libgamma_crtc_state_t *restrict this, libgamma_gamma_ramps_any_t *restrict ramps, - signed depth_user, signed depth_system, libgamma_get_ramps_any_fun *fun) -{ - size_t n; - int r; - libgamma_gamma_ramps_any_t ramps_sys; - uint64_t *restrict ramps_full; - - /* Allocate ramps with proper data type */ - if ((r = allocated_any_ramp(&ramps_sys, *ramps, depth_system, &n))) - return r; - - /* Fill the ramps */ - if ((r = fun(this, &ramps_sys))) - return free(ramps_sys.ANY.red), r; - - /* Allocate intermediary ramps */ - ramps_full = malloc(n * sizeof(uint64_t)); - if (!ramps_full) { - free(ramps_sys.ANY.red); - return LIBGAMMA_ERRNO_SET; - } - - /* Translate ramps to 64-bit integers */ - translate_to_64(depth_system, n, ramps_full, ramps_sys); - free(ramps_sys.ANY.red); - - /* Translate ramps to the user's format */ - translate_from_64(depth_user, n, *ramps, ramps_full); - free(ramps_full); - return 0; -} - - -/** - * Set the gamma ramps for a CRTC, re-encoding version - * - * @param this The CRTC state - * @param ramps The gamma ramps to apply - * @param depth_user The depth of the gamma ramps that are provided by the user, - * `-1` for `float`, `-2` for `double` - * @param depth_system The depth of the gamma ramps as required by the adjustment method, - * `-1` for `float`, `-2` for `double` - * @param fun Function that is to be used write the ramps, its parameters have - * the same function as those of this function with the same names, - * and the return value too is identical - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -int -libgamma_translated_ramp_set_(libgamma_crtc_state_t *restrict this, libgamma_gamma_ramps_any_t ramps, - signed depth_user, signed depth_system, libgamma_set_ramps_any_fun *fun) -{ - size_t n; - int r; - libgamma_gamma_ramps_any_t ramps_sys; - uint64_t *restrict ramps_full; - - /* Allocate ramps with proper data type */ - if ((r = allocated_any_ramp(&ramps_sys, ramps, depth_system, &n))) - return r; - - /* Allocate intermediary ramps */ - ramps_full = malloc(n * sizeof(uint64_t)); - if (!ramps_full) { - free(ramps_sys.ANY.red); - return LIBGAMMA_ERRNO_SET; - } - - /* Translate ramps to 64-bit integers. */ - translate_to_64(depth_user, n, ramps_full, ramps); - /* Translate ramps to the proper format. */ - translate_from_64(depth_system, n, ramps_sys, ramps_full); - free(ramps_full); - - /* Apply the ramps */ - r = fun(this, ramps_sys); - - free(ramps_sys.ANY.red); - return r; -} - - -#undef __translate -#undef ALL -#undef ANY diff --git a/src/lib/gamma-helper.h b/src/lib/gamma-helper.h deleted file mode 100644 index 38d678d..0000000 --- a/src/lib/gamma-helper.h +++ /dev/null @@ -1,144 +0,0 @@ -/* See LICENSE file for copyright and license details. */ -#ifndef LIBGAMMA_GAMMA_HELPER_H -#define LIBGAMMA_GAMMA_HELPER_H - - -#include "libgamma-method.h" - - -/** - * Gamma ramp structure union for different depths - */ -typedef union libgamma_gamma_ramps_any { - /** - * 8-bit gamma ramps - */ - libgamma_gamma_ramps8_t bits8; - - /** - * 16-bit gamma ramps - */ - libgamma_gamma_ramps16_t bits16; - - /** - * 32-bit gamma ramps - */ - libgamma_gamma_ramps32_t bits32; - - /** - * 64-bit gamma ramps - */ - libgamma_gamma_ramps64_t bits64; - - /** - * Single precision float gamma ramps - */ - libgamma_gamma_rampsf_t float_single; - - /** - * Double precision float gamma ramps - */ - libgamma_gamma_rampsd_t float_double; - -} libgamma_gamma_ramps_any_t; - - -/** - * A function for reading the gamma ramps from a CRTC - * - * @param this The CRTC state - * @param ramps The store for the gamma ramps - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -typedef int libgamma_get_ramps_any_fun(libgamma_crtc_state_t *restrict, libgamma_gamma_ramps_any_t *restrict); - -/** - * A function for writing the gamma ramps to a CRTC - * - * @param this The CRTC state - * @param ramps The gamma ramps - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -typedef int libgamma_set_ramps_any_fun(libgamma_crtc_state_t *restrict, libgamma_gamma_ramps_any_t); - - - -/** - * Get the current gamma ramps for a CRTC, re-encoding version - * - * @param this The CRTC state - * @param ramps The gamma ramps to fill with the current values - * @param depth_user The depth of the gamma ramps that are provided by the user, - * `-1` for `float`, `-2` for `double` - * @param depth_system The depth of the gamma ramps as required by the adjustment method, - * `-1` for `float`, `-2` for `double` - * @param fun Function that is to be used read the ramps, its parameters have - * the same function as those of this function with the same names, - * and the return value too is identical - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -#define libgamma_translated_ramp_get(this, ramps, depth_user, depth_system, fun)\ - libgamma_translated_ramp_get_((this), (ramps), (depth_user), (depth_system), (libgamma_get_ramps_any_fun *)(fun)) - - -/** - * Set the gamma ramps for a CRTC, re-encoding version - * - * @param this The CRTC state - * @param ramps The gamma ramps to apply - * @param depth_user The depth of the gamma ramps that are provided by the user, - * `-1` for `float`, `-2` for `double` - * @param depth_system The depth of the gamma ramps as required by the adjustment method, - * `-1` for `float`, `-2` for `double` - * @param fun Function that is to be used write the ramps, its parameters have - * the same function as those of this function with the same names, - * and the return value too is identical - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -#define libgamma_translated_ramp_set(this, ramps, depth_user, depth_system, fun)\ - libgamma_translated_ramp_set_((this), (ramps), (depth_user), (depth_system), (libgamma_set_ramps_any_fun *)fun) - - -/** - * Get the current gamma ramps for a CRTC, re-encoding version - * - * @param this The CRTC state - * @param ramps The gamma ramps to fill with the current values - * @param depth_user The depth of the gamma ramps that are provided by the user, - * `-1` for `float`, `-2` for `double` - * @param depth_system The depth of the gamma ramps as required by the adjustment method, - * `-1` for `float`, `-2` for `double` - * @param fun Function that is to be used read the ramps, its parameters have - * the same function as those of this function with the same names, - * and the return value too is identical - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -int libgamma_translated_ramp_get_(libgamma_crtc_state_t *restrict, libgamma_gamma_ramps_any_t *restrict, - signed, signed, libgamma_get_ramps_any_fun *); - - -/** - * Set the gamma ramps for a CRTC, re-encoding version - * - * @param this The CRTC state - * @param ramps The gamma ramps to apply - * @param depth_user The depth of the gamma ramps that are provided by the user, - * `-1` for `float`, `-2` for `double` - * @param depth_system The depth of the gamma ramps as required by the adjustment method, - * `-1` for `float`, `-2` for `double` - * @param fun Function that is to be used write the ramps, its parameters have - * the same function as those of this function with the same names, - * and the return value too is identical - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -int libgamma_translated_ramp_set_(libgamma_crtc_state_t *restrict, libgamma_gamma_ramps_any_t, - signed, signed, libgamma_set_ramps_any_fun *); - - -#endif diff --git a/src/lib/libgamma-error.c.gpp b/src/lib/libgamma-error.c.gpp deleted file mode 100644 index d43f336..0000000 --- a/src/lib/libgamma-error.c.gpp +++ /dev/null @@ -1,178 +0,0 @@ -/* -*- c -*- */ -/* See LICENSE file for copyright and license details. */ -#include "libgamma-error.h" - - -#include <stddef.h> -#include <sys/types.h> -#include <string.h> -#include <stdio.h> -#include <errno.h> - - - -$>set -u -$>cd src/extract -$>export PATH=".:${PATH}" - - - -/** - * Group that the user needs to be a member of if - * `LIBGAMMA_DEVICE_REQUIRE_GROUP` is returned - */ -#ifndef __WIN32__ -__thread gid_t libgamma_group_gid = 0; -gid_t -libgamma_group_gid_get(void) -{ - return libgamma_group_gid; -} -void -libgamma_group_gid_set(gid_t value) -{ - libgamma_group_gid = value; -} -#else -short libgamma_group_gid = 0; -#endif - -/** - * Group that the user needs to be a member of if - * `LIBGAMMA_DEVICE_REQUIRE_GROUP` is returned, - * `NULL` if the name of the group `libgamma_group_gid` - * cannot be determined - */ -#ifndef __WIN32__ -__thread const char *libgamma_group_name = NULL; -const char * -libgamma_group_name_get(void) { - return libgamma_group_name; -} -void -libgamma_group_name_set(const char *value) -{ - libgamma_group_name = value; -} -#else -const char *libgamma_group_name = NULL; -#endif - - - -/** - * Prints an error to stderr in a `perror` fashion, - * however this function will not translate the `libgamma` - * errors into human-readable strings, it will simply - * print the name of the error. If the value `error_code` - * is the value of `LIBGAMMA_ERRNO_SET`, `perror` will be - * used to print the current error stored in `errno`. - * If `error_code` is non-negative (an `errno` value`), that - * value will be stored in `errno` and `perror` will be - * used to print it. Additionally, if the `error_code` is - * the value of `LIBGAMMA_DEVICE_REQUIRE_GROUP` the - * required group will be printed with its numerical value - * and, if known, its name. - * - * @param name The text to add at the beginning - * @param value The error code, may be an `errno` value - */ -void -libgamma_perror(const char *name, int error_code) -{ - const char *error; - long int gid; - - if (error_code >= 0) { - /* Print the stored errno value */ - errno = error_code; - perror(name); - } else if (error_code == LIBGAMMA_ERRNO_SET) { - /* Print errno */ - perror(name); - } else if (error_code == LIBGAMMA_DEVICE_REQUIRE_GROUP) { - /* Print the error name and the required group membership */ - error = libgamma_name_of_error(error_code); - gid = (long int)libgamma_group_gid; - if (!libgamma_group_name) { - /* Group name unknown */ - if (name && *name) - fprintf(stderr, "%s: %s: %ld\n", name, error, gid); - else - fprintf(stderr, "%s: %ld\n", error, gid); - } else { - /* Group name known, ID is second class */ - if (name && *name) - fprintf(stderr, "%s: %s: %s (%ld)\n", name, error, libgamma_group_name, gid); - else - fprintf(stderr, "%s: %s (%ld)\n", error, libgamma_group_name, gid); - } - } else if (error_code < LIBGAMMA_ERROR_MIN) { - /* If the error code does not exist, print "(?)" */ - if (name && *name) - fprintf(stderr, "%s: (?)\n", name); - else - fprintf(stderr, "(?)\n"); - } else { - /* Print the name of the error */ - if (name && *name) - fprintf(stderr, "%s: %s\n", name, libgamma_name_of_error(error_code)); - else - fprintf(stderr, "%s\n", libgamma_name_of_error(error_code)); - } -} - - -/** - * Returns the name of the definition associated with a `libgamma` error code - * - * @param value The error code - * @return The name of the definition associated with the error code, - * `NULL` if the error code does not exist; the return string - * should not be `free`:d - */ -const char * -libgamma_name_of_error(int value) -{ - /* Map from error codes to error names. - The output of $(libgamma-error-extract --list) - is sorted by error code in decreasing order */ - static const char* error_names[] = { -$>for error in $(libgamma-error-extract --list); do - "${error}", -$>done - }; - - /* Return `NULL` if the error code is invalid */ - if (value < LIBGAMMA_ERROR_MIN || value >= 0) - return NULL; - - /* Convert error code from {-1, -2, -3, ...} to {0, 1, 2, ...} - * and look up the error's name and return it */ - return error_names[-value - 1]; -} - - -/** - * Return the value of a `libgamma` error definition refered to by name - * - * @param name The name of the definition associated with the error code - * @return The error code, zero if the name does is `NULL` - * or does not refer to a `libgamma` error - */ -int -libgamma_value_of_error(const char *name) -{ - /* Return 0 (not a valid error code) if the error name is `NULL` */ - if (!name) - return 0; - - /* Test error names against `name` and return the value of the match error */ -$>for error in $(libgamma-error-extract --list); do - if (!strcmp(name, "${error}")) - return ${error}; -$>done - - /* Return 0 (not a valid error code) if the error name is unknown */ - return 0; -} diff --git a/src/lib/libgamma-error.h b/src/lib/libgamma-error.h deleted file mode 100644 index a026e79..0000000 --- a/src/lib/libgamma-error.h +++ /dev/null @@ -1,379 +0,0 @@ -/* See LICENSE file for copyright and license details. */ -#ifndef LIBGAMMA_ERROR_H -#define LIBGAMMA_ERROR_H - -#if !defined(LIBGAMMA_CONFIG_H) && !defined(DEBUG) -# error libgamma-error.h should not be included directly, include libgamma.h instead -#endif - - -#include <sys/types.h> - -#ifndef __GNUC__ -# define __attribute__(x) -#endif - - -/** - * Group that the user needs to be a member of if - * `LIBGAMMA_DEVICE_REQUIRE_GROUP` is returned - */ -#ifndef __WIN32__ -extern __thread gid_t libgamma_group_gid; -gid_t libgamma_group_gid_get(void) __attribute__((pure)); -void libgamma_group_gid_set(gid_t value); -#else -extern short libgamma_group_gid; -#endif - -/** - * Group that the user needs to be a member of if - * `LIBGAMMA_DEVICE_REQUIRE_GROUP` is returned, - * `NULL` if the name of the group `libgamma_group_gid` - * cannot be determined - */ -#ifndef __WIN32__ -extern __thread const char *libgamma_group_name; -const char *libgamma_group_name_get(void) __attribute__((pure)); -void libgamma_group_name_set(const char *value); -#else -extern const char *libgamma_group_name; -#endif - - -/** - * `errno` has be set with a standard error number - * to indicate the what has gone wrong - */ -#define LIBGAMMA_ERRNO_SET (-1) - -/** - * The selected adjustment method does not exist - * or has been excluded at compile-time - */ -#define LIBGAMMA_NO_SUCH_ADJUSTMENT_METHOD (-2) - -/** - * The selected site does not exist - */ -#define LIBGAMMA_NO_SUCH_SITE (-3) - -/** - * The selected partition does not exist - */ -#define LIBGAMMA_NO_SUCH_PARTITION (-4) - -/** - * The selected CRTC does not exist - */ -#define LIBGAMMA_NO_SUCH_CRTC (-5) - -/** - * Counter overflowed when counting the number - * of available items - */ -#define LIBGAMMA_IMPOSSIBLE_AMOUNT (-6) - -/** - * The selected connector is disabled, it does - * not have a CRTC - */ -#define LIBGAMMA_CONNECTOR_DISABLED (-7) - -/** - * The selected CRTC could not be opened, - * reason unknown - */ -#define LIBGAMMA_OPEN_CRTC_FAILED (-8) - -/** - * The CRTC information field is not supported - * by the adjustment method - */ -#define LIBGAMMA_CRTC_INFO_NOT_SUPPORTED (-9) - -/** - * Failed to read the current gamma ramps for - * the selected CRTC, reason unknown - */ -#define LIBGAMMA_GAMMA_RAMP_READ_FAILED (-10) - -/** - * Failed to write the current gamma ramps for - * the selected CRTC, reason unknown - */ -#define LIBGAMMA_GAMMA_RAMP_WRITE_FAILED (-11) - -/** - * The specified ramp sizes does not match the - * ramps sizes returned by the adjustment methods - * in response to the query/command - */ -#define LIBGAMMA_GAMMA_RAMP_SIZE_CHANGED (-12) - -/** - * The specified ramp sizes are not identical - * which is required by the adjustment method - * - * (Only returned in debug mode) - */ -#define LIBGAMMA_MIXED_GAMMA_RAMP_SIZE (-13) - -/** - * The specified ramp sizes are not supported - * by the adjustment method - * - * (Only returned in debug mode) - */ -#define LIBGAMMA_WRONG_GAMMA_RAMP_SIZE (-14) - -/** - * The adjustment method reported that the gamma - * ramps size is 1, or perhaps even zero or negative - */ -#define LIBGAMMA_SINGLETON_GAMMA_RAMP (-15) - -/** - * The adjustment method failed to list - * available CRTC:s, reason unknown - */ -#define LIBGAMMA_LIST_CRTCS_FAILED (-16) - -/** - * Failed to acquire mode resources from the - * adjustment method - */ -#define LIBGAMMA_ACQUIRING_MODE_RESOURCES_FAILED (-17) - -/** - * The adjustment method reported that a negative - * number of partitions exists in the site - */ -#define LIBGAMMA_NEGATIVE_PARTITION_COUNT (-18) - -/** - * The adjustment method reported that a negative - * number of CRTC:s exists in the partition - */ -#define LIBGAMMA_NEGATIVE_CRTC_COUNT (-19) - -/** - * Device cannot be access becauses of - * insufficient permissions - */ -#define LIBGAMMA_DEVICE_RESTRICTED (-20) - -/** - * Device cannot be access, reason unknown - */ -#define LIBGAMMA_DEVICE_ACCESS_FAILED (-21) - -/** - * Device cannot be access, membership of the - * `libgamma_group_gid` (named by `libgamma_group_name` - * (can be `NULL`, if so `errno` may have been set - * to tell why)) is required - */ -#define LIBGAMMA_DEVICE_REQUIRE_GROUP (-22) - -/** - * The graphics card appear to have been removed - */ -#define LIBGAMMA_GRAPHICS_CARD_REMOVED (-23) - -/** - * The state of the requested information is unknown - */ -#define LIBGAMMA_STATE_UNKNOWN (-24) - -/** - * Failed to determine which connector the - * CRTC belongs to - */ -#define LIBGAMMA_CONNECTOR_UNKNOWN (-25) - -/** - * The detected connector type is not listed - * in this library and has to be updated - */ -#define LIBGAMMA_CONNECTOR_TYPE_NOT_RECOGNISED (-26) - -/** - * The detected subpixel order is not listed - * in this library and has to be updated - */ -#define LIBGAMMA_SUBPIXEL_ORDER_NOT_RECOGNISED (-27) - -/** - * The length of the EDID does not match that - * of any supported EDID structure revision - */ -#define LIBGAMMA_EDID_LENGTH_UNSUPPORTED (-28) - -/** - * The magic number in the EDID does not match - * that of any supported EDID structure revision - */ -#define LIBGAMMA_EDID_WRONG_MAGIC_NUMBER (-29) - -/** - * The EDID structure revision used by the - * monitor is not supported - */ -#define LIBGAMMA_EDID_REVISION_UNSUPPORTED (-30) - -/** - * The gamma characteristics field in the EDID - * is left unspecified - * - * (This could be considered a non-error) - */ -#define LIBGAMMA_GAMMA_NOT_SPECIFIED (-31) - -/** - * The checksum in the EDID is incorrect, all - * request information has been provided - * by you cannot count on it - */ -#define LIBGAMMA_EDID_CHECKSUM_ERROR (-32) - -/** - * Both of the errors `LIBGAMMA_GAMMA_NOT_SPECIFIED` - * and `LIBGAMMA_EDID_CHECKSUM_ERROR` have occurred - */ -#define LIBGAMMA_GAMMA_NOT_SPECIFIED_AND_EDID_CHECKSUM_ERROR (-33) - -/** - * Failed to query the gamma ramps size from the - * adjustment method, reason unknown - */ -#define LIBGAMMA_GAMMA_RAMPS_SIZE_QUERY_FAILED (-34) - -/** - * The selected partition could not be opened, - * reason unknown - */ -#define LIBGAMMA_OPEN_PARTITION_FAILED (-35) - -/** - * The selected site could not be opened, - * reason unknown - */ -#define LIBGAMMA_OPEN_SITE_FAILED (-36) - -/** - * Failed to query the adjustment method for - * its protocol version, reason unknown - */ -#define LIBGAMMA_PROTOCOL_VERSION_QUERY_FAILED (-37) - -/** - * The adjustment method's version of its - * protocol is not supported - */ -#define LIBGAMMA_PROTOCOL_VERSION_NOT_SUPPORTED (-38) - -/** - * The adjustment method failed to list - * available partitions, reason unknown - */ -#define LIBGAMMA_LIST_PARTITIONS_FAILED (-39) - -/** - * Partition exists by index, but the partition - * at that index does not exist - */ -#define LIBGAMMA_NULL_PARTITION (-40) - -/** - * There is not monitor connected to the - * connector of the selected CRTC - */ -#define LIBGAMMA_NOT_CONNECTED (-41) - -/** - * Data extraction from a reply from the - * adjustment method failed, reason unknown - */ -#define LIBGAMMA_REPLY_VALUE_EXTRACTION_FAILED (-42) - -/** - * No EDID property was found on the output - */ -#define LIBGAMMA_EDID_NOT_FOUND (-43) - -/** - * Failed to list properties on the output, - * reason unknown - */ -#define LIBGAMMA_LIST_PROPERTIES_FAILED (-44) - -/** - * Failed to query a property's value from - * the output, reason unknown - */ -#define LIBGAMMA_PROPERTY_VALUE_QUERY_FAILED (-45) - -/** - * A request for information on an output - * failed, reason unknown - */ -#define LIBGAMMA_OUTPUT_INFORMATION_QUERY_FAILED (-46) - - - -/** - * The number of the libgamma error with the - * lowest number. If this is lower than the - * number your program thinks it should be sould - * update your program for new errors. - */ -#define LIBGAMMA_ERROR_MIN (-46) - - - -/** - * Prints an error to stderr in a `perror` fashion, - * however this function will not translate the `libgamma` - * errors into human-readable strings, it will simply - * print the name of the error. If the value `error_code` - * is the value of `LIBGAMMA_ERRNO_SET`, `perror` will be - * used to print the current error stored in `errno`. - * If `error_code` is non-negative (an `errno` value`), that - * value will be stored in `errno` and `perror` will be - * used to print it. Additionally, if the `error_code` is - * the value of `LIBGAMMA_DEVICE_REQUIRE_GROUP` the - * required group will be printed with its numerical value - * and, if known, its name. - * - * @param name The text to add at the beginning - * @param error_code The error code, may be an `errno` value - */ -void libgamma_perror(const char *, int); - -/** - * Returns the name of the definition associated with a `libgamma` error code - * - * @param value The error code - * @return The name of the definition associated with the error code, - * `NULL` if the error code does not exist. The return string - * should not be `free`:d. - */ -const char *libgamma_name_of_error(int) __attribute__((const)); - -/** - * Return the value of a `libgamma` error definition refered to by name - * - * @param name The name of the definition associated with the error code - * @return The error code, zero if the name is `NULL` - * or does not refer to a `libgamma` error - */ -int libgamma_value_of_error(const char *) __attribute__((const)); - - - -#ifndef __GNUC__ -# undef __attribute__ -#endif - -#endif diff --git a/src/lib/libgamma-facade.c.gpp b/src/lib/libgamma-facade.c.gpp deleted file mode 100644 index 9f90ed6..0000000 --- a/src/lib/libgamma-facade.c.gpp +++ /dev/null @@ -1,1097 +0,0 @@ -/* -*- c -*- */ -/* See LICENSE file for copyright and license details. */ -#include "libgamma-facade.h" - -#include "libgamma-error.h" -#include "libgamma-method.h" -#include "gamma-helper.h" - - -/* Initialise the general preprocessor */ -$>cd src/extract -$>export PATH=".:${PATH}" - -/* Some general preprocessor we will use frequently */ -$< -get-methods () -{ - ./libgamma-method-extract --list --method | cut -d _ -f 1,2 --complement -} -lowercase () -{ - echo "$*" | sed -e y/QWERTYUIOPASDFGHJKLZXCVBNM/qwertyuiopasdfghjklzxcvbnm/ | sed -e s:core_graphics:cg:g -} -$> - -/* Include all adjustment methods that are enabled at compile-time. */ -$>for method in $(get-methods); do -#ifdef HAVE_LIBGAMMA_METHOD_${method} -# include "gamma-$(lowercase $method | sed -e s:_:-:g).h" -# ifndef HAVE_LIBGAMMA_METHODS -# define HAVE_LIBGAMMA_METHODS -# endif -#endif -$>done - -#include <unistd.h> -#include <stddef.h> -#include <stdint.h> -#include <stdlib.h> -#include <string.h> -#include <errno.h> - - -/* Some things to reduce warnings when we do - * not have any adjustment methods enabled */ -#ifndef HAVE_LIBGAMMA_METHODS -# define HAVE_NO_LIBGAMMA_METHODS -# ifdef __GNUC__ -# pragma GCC diagnostic push -# pragma GCC diagnostic ignored "-Wsuggest-attribute=const" -# endif -#endif - - - -#ifdef HAVE_LIBGAMMA_METHODS -# ifdef HAVE_LIBGAMMA_METHOD_LINUX_DRM -/** - * Test whether a file descriptor refers to a VT - * - * @param fd The file descriptor - * @return Whether the file descriptor refers to a VT - */ -static int -libgamma_is_vt_proper(int fd) -{ - char buf[32], digit0; - - /* Get TTY */ - if (ttyname_r(fd, buf, sizeof(buf) / sizeof(char))) - return 0; - - /* Validate TTY path */ - if (!strcmp(buf, "/dev/console")) - return 1; - if (strstr(buf, "/dev/tty") != buf) - return 0; - - /* Validate TTY name */ - digit0 = buf[strlen("/dev/tty")]; - return '1' <= digit0 && digit0 <= '9'; -} -# endif - - -/** - * Test the availability of an adjustment method - * - * @param method The adjustment method - * @param operation Allowed values: - * 0: Pass if the environment suggests it will work but is not fake - * 1: Pass if the environment suggests it will work - * 2: Pass if real and not fake - * 3: Pass if real - * 4: Always pass - * Other values invoke undefined behaviour - * @return Whether the test passed - */ -static int -libgamma_list_method_test(int method, int operation) -{ - libgamma_method_capabilities_t caps; - libgamma_method_capabilities(&caps, method); - - switch (operation) { - case 0: - /* Methods that the environment suggests will work, excluding fake */ - if (caps.fake) - return 0; - /* fall through */ - - case 1: - /* Methods that the environment suggests will work, including fake */ - if (!caps.real) - return 0; -#ifdef HAVE_LIBGAMMA_METHOD_LINUX_DRM - if (method == LIBGAMMA_METHOD_LINUX_DRM) { - return libgamma_is_vt_proper(STDIN_FILENO) || - libgamma_is_vt_proper(STDOUT_FILENO) || - libgamma_is_vt_proper(STDERR_FILENO); - } -#endif -#ifdef HAVE_LIBGAMMA_METHOD_DUMMY - if (method == LIBGAMMA_METHOD_DUMMY) - return 0; -#endif - return caps.default_site_known; - - case 2: - /* All real non-fake methods */ - return caps.real && !caps.fake; - - case 3: - /* All real methods */ - return caps.real; - - default: - /* All methods */ - return 1; - } -} -#endif - - -/** - * 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 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 - * @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 - * @return The number of element that have been stored in `methods`, or should - * have been stored if the buffer was large enough. - */ -size_t -libgamma_list_methods(int *restrict methods, size_t buf_size, int operation) -{ -#ifdef HAVE_NO_LIBGAMMA_METHODS - (void) methods; - (void) buf_size; - (void) operation; - return 0; -#else - size_t n = 0; - -$>for method in $(get-methods); do -#ifdef HAVE_LIBGAMMA_METHOD_${method} - if (libgamma_list_method_test(LIBGAMMA_METHOD_${method}, operation) && n++ < buf_size) - methods[n - 1] = LIBGAMMA_METHOD_${method}; -#endif -$>done - - return n; -#endif -} - - -/** - * Check whether an adjustment method is available, non-existing (invalid) methods will be - * identified as not available under the rationale that the library may be out of date - * - * @param method The adjustment method - * @return Whether the adjustment method is available - */ -int -libgamma_is_method_available(int method) -{ -#ifdef HAVE_NO_LIBGAMMA_METHODS - (void) method; - return 0; -#else - switch (method) { -$>for method in $(get-methods); do -#ifdef HAVE_LIBGAMMA_METHOD_${method} - case LIBGAMMA_METHOD_${method}: -#endif -$>done - return 1; - - default: - return 0; - } -#endif -} - - -/** - * Call the adjustment method's implementation of the called function - * - * @param 1 The adjustment method, you may use `.` instead of `->` when resolving it - * @param 2 `return` if the function returns a value, `break` otherwise - * @param 3 The base name of the function to call, that is, the name of the function - * this is expended into without the libgamma namespace prefix - * @param * The function's parameters - */ -$<switch () -$>{ - /* Read out macro's parameters */ -$<method="${1//./->}" - ctrl=$2 - fun=$3 - shift 3 - params="$*" -$>params="${params// /, }" - - switch (${method}) { -$>for adjmethod in $(get-methods); do -#ifdef HAVE_LIBGAMMA_METHOD_${adjmethod} - case LIBGAMMA_METHOD_${adjmethod}: - /* Call the adjustment method's implementation, either - * return or break after it depending on macro parameter's */ -$> if [ $ctrl = return ]; then - return - libgamma_$(lowercase $adjmethod)_${fun}(${params}); -$> elif [ ! $ctrl = return ]; then - break; -$> fi -#endif -$>done - - default: - /* If the adjustment method does not exists, either return - * that error, or do nothing because the function this is - * expanded into does return errors */ -$>if [ $ctrl = return ]; then - return LIBGAMMA_NO_SUCH_ADJUSTMENT_METHOD; -$>else - /* Method does not exists/excluded at compile-time. - * We will assume that this is not done... */ - break; -$>fi - } -$>} - - -/** - * 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) - */ -void -libgamma_method_capabilities(libgamma_method_capabilities_t *restrict this, int method) -{ - memset(this, 0, sizeof(libgamma_method_capabilities_t)); -$>switch method break method_capabilities this -} - - -/** - * Return the default site for an adjustment method - * - * @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 - */ -char * -libgamma_method_default_site(int method) -{ - const char *restrict var = libgamma_method_default_site_variable(method); - char *restrict env; - - /* Return `NULL` there is not variable to read */ - if (!var) - return NULL; - - /* Read the variable */ - env = getenv(var); - /* Return `NULL` if it does not exist (or is empty) */ - if (!env || !*env) - return NULL; - - /* Return the variable's value */ - return env; -} - - -/** - * Return the default variable that determines - * the default site for an adjustment method - * - * @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. - */ -const char * -libgamma_method_default_site_variable(int method) -{ - switch (method) { -#ifdef HAVE_LIBGAMMA_METHOD_X_RANDR - case LIBGAMMA_METHOD_X_RANDR: - return "DISPLAY"; -#endif -#ifdef HAVE_LIBGAMMA_METHOD_X_VIDMODE - case LIBGAMMA_METHOD_X_VIDMODE: - return "DISPLAY"; -#endif - default: - return NULL; - } -} - - -/** - * Initialise an allocated site state - * - * @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 - * it yourself, and it must not be a string constant - * or allocated 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 - */ -int -libgamma_site_initialise(libgamma_site_state_t *restrict this, int method, char *restrict site) -{ - this->method = method; - this->site = site; -$>switch method return site_initialise this site -} - - -/** - * Release all resources held by a site state - * - * @param this The site state - */ -void -libgamma_site_destroy(libgamma_site_state_t *restrict this) -{ -$>switch this.method break site_destroy this - free(this->site); -} - - -/** - * Release all resources held by a site state - * and free the site state pointer - * - * @param this The site state - */ -void -libgamma_site_free(libgamma_site_state_t *restrict this) -{ - libgamma_site_destroy(this); - free(this); -} - - -/** - * Restore the gamma ramps all CRTC:s with a site to the system settings - * - * @param this The site state - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -int -libgamma_site_restore(libgamma_site_state_t *restrict this) -{ -$>switch this.method return site_restore this -} - - - -/** - * 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 - * @return Zero on success, otherwise (negative) the value of an - * 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) -{ - this->site = site; - this->partition = partition; -$>switch site.method return partition_initialise this site partition -} - - -/** - * Release all resources held by a partition state - * - * @param this The partition state - */ -void -libgamma_partition_destroy(libgamma_partition_state_t *restrict this) -{ -$>switch this.site.method break partition_destroy this -} - - -/** - * Release all resources held by a partition state - * and free the partition state pointer - * - * @param this The partition state - */ -void -libgamma_partition_free(libgamma_partition_state_t *restrict this) -{ - libgamma_partition_destroy(this); - free(this); -} - - -/** - * Restore the gamma ramps all CRTC:s with a partition to the system settings - * - * @param this The partition state - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -int -libgamma_partition_restore(libgamma_partition_state_t *restrict this) -{ -$>switch this.site.method return partition_restore this -} - - - -/** - * Initialise an allocated CRTC state - * - * @param this The CRTC state to initialise - * @param partition The partition state for the partition that the CRTC belongs to - * @param crtc The index of the CRTC within the partition - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -int -libgamma_crtc_initialise(libgamma_crtc_state_t *restrict this, libgamma_partition_state_t *restrict partition, size_t crtc) -{ - this->partition = partition; - this->crtc = crtc; -$>switch partition.site.method return crtc_initialise this partition crtc -} - - -/** - * Release all resources held by a CRTC state - * - * @param this The CRTC state - */ -void -libgamma_crtc_destroy(libgamma_crtc_state_t *restrict this) -{ -$>switch this.partition.site.method break crtc_destroy this -} - - -/** - * Release all resources held by a CRTC state - * and free the CRTC state pointer - * - * @param this The CRTC state - */ -void -libgamma_crtc_free(libgamma_crtc_state_t *restrict this) -{ - libgamma_crtc_destroy(this); - free(this); -} - - -/** - * Restore the gamma ramps for a CRTC to the system settings for that CRTC - * - * @param this The CRTC state - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -int -libgamma_crtc_restore(libgamma_crtc_state_t *restrict this) -{ -$>switch this.partition.site.method return crtc_restore this -} - - - -/** - * 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` - */ -int -libgamma_get_crtc_information(libgamma_crtc_information_t *restrict this, libgamma_crtc_state_t *restrict crtc, int32_t fields) -{ -#ifdef HAVE_NO_LIBGAMMA_METHODS - (void) fields; -#endif - this->edid = NULL; - this->connector_name = NULL; -$>switch crtc.partition.site.method return get_crtc_information this crtc fields -} - - -/** - * Release all resources in an information data structure for a CRTC - * - * @param this The CRTC information - */ -void -libgamma_crtc_information_destroy(libgamma_crtc_information_t *restrict this) -{ - free(this->edid); - free(this->connector_name); -} - - -/** - * Release all resources in an information data structure for a CRTC - * and free the data structure pointer - * - * @param this The CRTC information - */ -void -libgamma_crtc_information_free(libgamma_crtc_information_t *restrict this) -{ - libgamma_crtc_information_destroy(this); - free(this); -} - - -/** - * Convert a raw representation of an EDID to a hexadecimal representation - * - * @param 1 Casing name - * @param 2 The hexadecimal alphabet - * @param edid The EDID in raw representation - * @param length The length of `edid` - * @return The EDID in hexadecimal representation - * `NULL` on allocation error, `errno` will be set accordingly - */ -$>behex_edid () -$>{ -char * -libgamma_behex_edid_${1}(const unsigned char *restrict edid, size_t length) -{ - char *restrict out; - size_t i; - - /* Allocate memory area for the output string */ - out = malloc((length * 2 + 1) * sizeof(char)); - if (!out) - return NULL; - - /* Translate from raw octets to hexadecimal */ - for (i = 0; i < length; i++) { - out[i * 2 + 0] = "${2}"[(edid[i] >> 4) & 15]; - out[i * 2 + 1] = "${2}"[(edid[i] >> 0) & 15]; - } - /* NUL-terminate the output string */ - out[length * 2] = '\0'; - - return out; -} -$>} - - -/** - * Convert a raw representation of an EDID to a lowercase hexadecimal representation - * - * @param edid The EDID in raw representation - * @param length The length of `edid` - * @return The EDID in lowercase hexadecimal representation, - * `NULL` on allocation error, `errno` will be set accordingly - */ -$>behex_edid lowercase 0123456789abcdef - - -/** - * 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` - * @return The EDID in uppercase hexadecimal representation, - * NULL` on allocation error, `errno` will be set accordingly - */ -$>behex_edid uppercase 0123456789ABCDEF - - -/** - * Convert an hexadecimal representation of an EDID to a raw 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 - */ -unsigned char * -libgamma_unhex_edid(const char *restrict edid) -{ -#define not_range(lower, V, upper) (V < lower || upper < V) -#define is_not_hex(V) (not_range('0', V, '9') && not_range('a', V, 'f') && not_range('A', V, 'F')) - - unsigned char *restrict out; - size_t i, n = strlen(edid); - char a, b; - - /* Check that the length of the strings is even, - * otherwise it cannot represent bytes */ - if (n & 1) { - errno = EINVAL; - return NULL; - } - - /* Allocate memory area for output octet array */ - n /= 2 * sizeof(unsigned char); - out = malloc(n); - if (!out) - return NULL; - - /* Convert to raw octet array */ - for (i = 0; i < n; i++) { - /* Get the next character pair that, it represents an octet. */ - a = edid[i * 2 + 0]; - b = edid[i * 2 + 1]; - - /* Verify that the input is in hexadecimal */ - if (is_not_hex(a) || is_not_hex(b)) { - free(out); - errno = EINVAL; - return NULL; - } - - /* Convert each chararacter to raw format */ - a = (char)((a & 15) + (a > '9' ? 9 : 0)); - b = (char)((b & 15) + (b > '9' ? 9 : 0)); - - /* Combine the two characters into one octet */ - out[i] = (unsigned char)((a << 4) | b); - } - - return out; - -#undef is_hex -#undef not_range -} - - -/** - * Get the current gamma ramps for a CRTC, 16-bit gamma-depth version - * - * @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 - */ -int -libgamma_crtc_get_gamma_ramps16(libgamma_crtc_state_t *restrict this, libgamma_gamma_ramps16_t *restrict ramps) -{ - libgamma_gamma_ramps_any_t ramps_; - -#ifdef HAVE_NO_LIBGAMMA_METHODS - (void) ramps; -#endif - - switch (this->partition->site->method) { - /* Methods other than Quartz/CoreGraphics uses 16-bit integers */ -$>for method in $(get-methods | grep -v QUARTZ_CORE_GRAPHICS); do -#ifdef HAVE_LIBGAMMA_METHOD_${method} - case LIBGAMMA_METHOD_${method}: - return libgamma_$(lowercase $method)_crtc_get_gamma_ramps16(this, ramps); -#endif - - /* The Quartz/CoreGraphics method uses single precision float */ -$>done -#ifdef HAVE_LIBGAMMA_METHOD_QUARTZ_CORE_GRAPHICS - case LIBGAMMA_METHOD_QUARTZ_CORE_GRAPHICS: - ramps_.bits16 = *ramps; - return libgamma_translated_ramp_get(this, &ramps_, 16, -1, libgamma_crtc_get_gamma_rampsf); -#endif - - /* The selected method does not exist */ - default: - return LIBGAMMA_NO_SUCH_ADJUSTMENT_METHOD; - } -} - - -/** - * Set the gamma ramps for a CRTC, 16-bit gamma-depth version - * - * @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 - */ -int -libgamma_crtc_set_gamma_ramps16(libgamma_crtc_state_t *restrict this, libgamma_gamma_ramps16_t ramps) -{ - libgamma_gamma_ramps_any_t ramps_; - -#ifdef HAVE_NO_LIBGAMMA_METHODS - (void) ramps; -#endif - - switch (this->partition->site->method) { - /* Methods other than Quartz/CoreGraphics uses 16-bit integers */ -$>for method in $(get-methods | grep -v QUARTZ_CORE_GRAPHICS); do -#ifdef HAVE_LIBGAMMA_METHOD_${method} - case LIBGAMMA_METHOD_${method}: - return libgamma_$(lowercase $method)_crtc_set_gamma_ramps16(this, ramps); -#endif -$>done - - /* The Quartz/CoreGraphics method uses single precision float */ -#ifdef HAVE_LIBGAMMA_METHOD_QUARTZ_CORE_GRAPHICS - case LIBGAMMA_METHOD_QUARTZ_CORE_GRAPHICS: - ramps_.bits16 = ramps; - return libgamma_translated_ramp_set(this, ramps_, 16, -1, libgamma_crtc_set_gamma_rampsf); -#endif - - /* The selected method does not exist. */ - default: - return LIBGAMMA_NO_SUCH_ADJUSTMENT_METHOD; - } -} - - - -/** - * Set or get the gamma ramps for a CRTC, non-16-bit gamma-depth version - * - * @param 1 Either `get` or `set`, for the action that the name of value implies - * @param 2 The `ramp*` pattern for the ramp structure and function to call - * @param 3 Either of `bit8`, `bit16`, `bit32`, `bit64`, `float_single`, `float_double`; - * rather self-explanatory - * @param 4 The number of bits in the gamma depth, -1 for single precision float, - * (`float`) and -2 for double percition float (`double`) - * @param this The CRTC state - * @param ramps The gamma ramps to apply, or - * 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 - */ -$>crtc_set_get_gamma_ramps () -$>{ -$<action=$1 - ramps=$2 - type=$3 - bits=$4 - p= - if [ $action = get ]; then - p='*' - fi -$> -int -libgamma_crtc_${action}_gamma_${ramps}(libgamma_crtc_state_t *restrict this, libgamma_gamma_${ramps}_t${p:+* restrict} ramps) -{ - libgamma_gamma_ramps_any_t ramps_; - switch (this->partition->site->method) { - /* The dummy method supports all ramp depths */ -#ifdef HAVE_LIBGAMMA_METHOD_DUMMY - case LIBGAMMA_METHOD_DUMMY: - return libgamma_dummy_crtc_${action}_gamma_${ramps}(this, ramps); -#endif - - /* The Quartz/CoreGraphics method uses single precision float */ -#ifdef HAVE_LIBGAMMA_METHOD_QUARTZ_CORE_GRAPHICS - case LIBGAMMA_METHOD_QUARTZ_CORE_GRAPHICS: -$>if [ $bits = -1 ]; then - /* Single precision float is used */ - return libgamma_quartz_cg_crtc_${action}_gamma_${ramps}(this, ramps); -$>else - /* Something else is used and we convert to Single precision float */ - ramps_.${type} = ${p}ramps; - return libgamma_translated_ramp_${action}(this, ${p:+&}ramps_, ${bits}, -1, libgamma_crtc_${action}_gamma_rampsf); -$>fi -#endif - - /* Other methods use 16-bit integers. */ - default: - ramps_.${type} = ${p}ramps; - return libgamma_translated_ramp_${action}(this, ${p:+&}ramps_, ${bits}, 16, libgamma_crtc_${action}_gamma_ramps16); - } -} -$>} - - - -/** - * Get the current gamma ramps for a CRTC, 8-bit gamma-depth version - * - * @param this The CRTC state - * @param ramps The gamma ramps to fill with the current values - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -$>crtc_set_get_gamma_ramps get ramps8 bits8 8 - - -/** - * Set the gamma ramps for a CRTC, 32-bit gamma-depth version - * - * @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 - */ -$>crtc_set_get_gamma_ramps set ramps8 bits8 8 - - - -/** - * Get the current gamma ramps for a CRTC, 32-bit gamma-depth version - * - * @param this The CRTC state - * @param ramps The gamma ramps to fill with the current values - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -$>crtc_set_get_gamma_ramps get ramps32 bits32 32 - - -/** - * Set the gamma ramps for a CRTC, 32-bit gamma-depth version - * - * @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 - */ -$>crtc_set_get_gamma_ramps set ramps32 bits32 32 - - - -/** - * Get the current gamma ramps for a CRTC, 64-bit gamma-depth version - * - * @param this The CRTC state - * @param ramps The gamma ramps to fill with the current values - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -$>crtc_set_get_gamma_ramps get ramps64 bits64 64 - - -/** - * Set the gamma ramps for a CRTC, 64-bit gamma-depth version - * - * @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 - */ -$>crtc_set_get_gamma_ramps set ramps64 bits64 64 - - -/** - * Get the current gamma ramps for a CRTC, `float` version - * - * @param this The CRTC state - * @param ramps The gamma ramps to fill with the current values - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -$>crtc_set_get_gamma_ramps get rampsf float_single -1 - - -/** - * Set the gamma ramps for a CRTC, `float` version - * - * @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 - */ -$>crtc_set_get_gamma_ramps set rampsf float_single -1 - - - -/** - * Get the current gamma ramps for a CRTC, `double` version - * - * @param this The CRTC state - * @param ramps The gamma ramps to fill with the current values - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -$>crtc_set_get_gamma_ramps get rampsd float_double -2 - - -/** - * Set the gamma ramps for a CRTC, `double` version - * - * @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 - */ -$>crtc_set_get_gamma_ramps set rampsd float_double -2 - - - -/** - * Set the gamma ramps for a CRTC - * - * Note that this will probably involve the library allocating temporary data - * - * @param 1 The data type for the ramp stop elements - * @param 2 The `ramp*` pattern for the ramp structure and function to call - * @param this The CRTC state - * @param red_function The function that generates the gamma ramp for the red channel - * @param green_function The function that generates the gamma ramp for the green channel - * @param blue_function The function that generates the gamma ramp for the blue channel - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -$>crtc_set_gamma_ramps_f () -$>{ -int -libgamma_crtc_set_gamma_${2}_f(libgamma_crtc_state_t *restrict this, libgamma_gamma_${2}_fun *red_function, - libgamma_gamma_${2}_fun *green_function, libgamma_gamma_${2}_fun *blue_function) -{ - libgamma_crtc_information_t info; - libgamma_gamma_${2}_t ramps; - size_t i, n; - int e; - - /* Get the size of the gamma ramps */ - if (libgamma_get_crtc_information(&info, this, LIBGAMMA_CRTC_INFO_GAMMA_SIZE)) { - e = info.gamma_size_error; - if (e < 0) - return e; - errno = e; - return LIBGAMMA_ERRNO_SET; - } - - /* Copy the size of the gamma ramps and calculte the grand size */ - n = ramps. red_size = info. red_gamma_size; - n += ramps.green_size = info.green_gamma_size; - n += ramps. blue_size = info. blue_gamma_size; - - /* Allocate gamma ramps */ - ramps. red = malloc(n * sizeof(${1})); - ramps.green = &ramps. red[ramps. red_size]; - ramps. blue = &ramps.green[ramps.green_size]; - if (!ramps.red) - return LIBGAMMA_ERRNO_SET; - - /* Generate the gamma ramp for the red chennel */ - for (i = 0, n = ramps.red_size; i < n; i++) - ramps.red[i] = red_function((float)i / (float)(n - 1)); - - /* Generate the gamma ramp for the green chennel */ - for (i = 0, n = ramps.green_size; i < n; i++) - ramps.green[i] = green_function((float)i / (float)(n - 1)); - - /* Generate the gamma ramp for the blue chennel */ - for (i = 0, n = ramps.blue_size; i < n; i++) - ramps.blue[i] = blue_function((float)i / (float)(n - 1)); - - /* Apply the gamma ramps */ - e = libgamma_crtc_set_gamma_${2}(this, ramps); - free(ramps.red); - return e; -} -$>} - - -/** - * Set the gamma ramps for a CRTC, 8-bit gamma-depth function version - * - * Note that this will probably involve the library allocating temporary data - * - * @param this The CRTC state - * @param red_function The function that generates the gamma ramp for the red channel - * @param green_function The function that generates the gamma ramp for the green channel - * @param blue_function The function that generates the gamma ramp for the blue channel - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -$>crtc_set_gamma_ramps_f uint8_t ramps8 - - -/** - * Set the gamma ramps for a CRTC, 16-bit gamma-depth function version - * - * 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 - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -$>crtc_set_gamma_ramps_f uint16_t ramps16 - - -/** - * Set the gamma ramps for a CRTC, 32-bit gamma-depth function version - * - * Note that this will probably involve the library allocating temporary data - * - * @param this The CRTC state - * @param red_function The function that generates the gamma ramp for the red channel - * @param green_function The function that generates the gamma ramp for the green channel - * @param blue_function The function that generates the gamma ramp for the blue channel - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -$>crtc_set_gamma_ramps_f uint32_t ramps32 - - -/** - * Set the gamma ramps for a CRTC, 64-bit gamma-depth function version - * - * 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 - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -$>crtc_set_gamma_ramps_f uint64_t ramps64 - - -/** - * Set the gamma ramps for a CRTC, `float` function version - * - * Note that this will probably involve the library allocating temporary data - * - * @param this The CRTC state - * @param red_function The function that generates the gamma ramp for the red channel - * @param green_function The function that generates the gamma ramp for the green channel - * @param blue_function The function that generates the gamma ramp for the blue channel - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -$>crtc_set_gamma_ramps_f float rampsf - - -/** - * Set the gamma ramps for a CRTC, `double` function version - * - * 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 - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -$>crtc_set_gamma_ramps_f double rampsd - - - -#ifdef HAVE_NO_LIBGAMMA_METHODS -# ifdef __GNUC__ -# pragma GCC diagnostic pop -# endif -#endif diff --git a/src/lib/libgamma-facade.h b/src/lib/libgamma-facade.h deleted file mode 100644 index 596094c..0000000 --- a/src/lib/libgamma-facade.h +++ /dev/null @@ -1,537 +0,0 @@ -/* See LICENSE file for copyright and license details. */ -#ifndef LIBGAMMA_FACADE_H -#define LIBGAMMA_FACADE_H - -#if !defined(LIBGAMMA_CONFIG_H) && !defined(DEBUG) -# error libgamma-facade.h should not be included directly, include libgamma.h instead -#endif - - -#include "libgamma-method.h" - -#include <stddef.h> -#include <stdint.h> - -#ifndef __GNUC__ -# define __attribute__(x) -#endif - - - -/** - * 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 - */ -typedef uint8_t libgamma_gamma_ramps8_fun(float); - -/** - * 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 - */ -typedef uint16_t libgamma_gamma_ramps16_fun(float); - -/** - * 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 - */ -typedef uint32_t libgamma_gamma_ramps32_fun(float); - -/** - * 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 - */ -typedef uint64_t libgamma_gamma_ramps64_fun(float); - -/** - * 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 - */ -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 - * - * @param encoding [0, 1] float encoding value - * @return [0, 1] float output value - */ -typedef double libgamma_gamma_rampsd_fun(double); - - - -/** - * 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 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 - * @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 - * @return The number of element that have been stored in `methods`, or should - * have been stored if the buffer was large enough - */ -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 - * - * @param method The adjustment method - * @return Whether the adjustment method is available - */ -int libgamma_is_method_available(int) __attribute__((const)); - -/** - * 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) - */ -void libgamma_method_capabilities(libgamma_method_capabilities_t *restrict, int); - -/** - * Return the default site for an adjustment method - * - * @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 - */ -char *libgamma_method_default_site(int); - -/** - * Return the default variable that determines - * the default site for an adjustment method - * - * @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 - */ -const char *libgamma_method_default_site_variable(int) __attribute__((const)); - - -/** - * Initialise an allocated site state - * - * @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 - * it yourself, and it must not be a string constant - * 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 - */ -int libgamma_site_initialise(libgamma_site_state_t *restrict, int, char *restrict); - -/** - * Release all resources held by a site state - * - * @param this The site state - */ -void libgamma_site_destroy(libgamma_site_state_t *restrict); - -/** - * Release all resources held by a site state - * and free the site state pointer - * - * @param this The site state - */ -void libgamma_site_free(libgamma_site_state_t *restrict); - -/** - * Restore the gamma ramps all CRTC:s within a site to the system settings - * - * @param this The site state - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -int libgamma_site_restore(libgamma_site_state_t *restrict); - - -/** - * 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 - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -int libgamma_partition_initialise(libgamma_partition_state_t *restrict, libgamma_site_state_t *restrict, size_t); - -/** - * Release all resources held by a partition state - * - * @param this The partition state - */ -void libgamma_partition_destroy(libgamma_partition_state_t *restrict); - -/** - * Release all resources held by a partition state - * and free the partition state pointer - * - * @param this The partition state - */ -void libgamma_partition_free(libgamma_partition_state_t *restrict); - -/** - * Restore the gamma ramps all CRTC:s within a partition to the system settings - * - * @param this The partition state - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -int libgamma_partition_restore(libgamma_partition_state_t *restrict); - - -/** - * 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 - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -int libgamma_crtc_initialise(libgamma_crtc_state_t *restrict, libgamma_partition_state_t *restrict, size_t); - -/** - * Release all resources held by a CRTC state - * - * @param this The CRTC state - */ -void libgamma_crtc_destroy(libgamma_crtc_state_t *restrict); - -/** - * Release all resources held by a CRTC state - * and free the CRTC state pointer - * - * @param this The CRTC state - */ -void libgamma_crtc_free(libgamma_crtc_state_t *restrict); - -/** - * Restore the gamma ramps for a CRTC to the system settings for that CRTC - * - * @param this The CRTC state - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -int libgamma_crtc_restore(libgamma_crtc_state_t *restrict); - - -/** - * 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` - */ -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 - * - * @param this The CRTC information - */ -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 - * - * @param this The CRTC information - */ -void libgamma_crtc_information_free(libgamma_crtc_information_t *restrict); - -/** - * 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` - * @return :char* The EDID in lowercase hexadecimal representation, - * `NULL` on allocation error, `errno` will be set accordingly - */ -#define libgamma_behex_edid(edid, length) libgamma_behex_edid_lowercase((edid), (length)) - -/** - * 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 - */ -char *libgamma_behex_edid_lowercase(const unsigned char *restrict, size_t); - -/** - * 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` - * @return The EDID in uppercase hexadecimal representation, - * NULL` on allocation error, `errno` will be set accordingly - */ -char *libgamma_behex_edid_uppercase(const unsigned char *restrict, size_t); - -/** - * Convert an hexadecimal representation of an EDID to a raw 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 - */ -unsigned char *libgamma_unhex_edid(const char *restrict); - - -/** - * Get the current gamma ramps for a CRTC, 8-bit gamma-depth version - * - * @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 - */ -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 - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -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 - * - * @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 - */ -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 - * - * @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 - */ -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 - * - * @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 - */ -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 - * - * @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 - */ -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 - * - * @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 - */ -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 - * - * @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 - */ -int libgamma_crtc_set_gamma_ramps64(libgamma_crtc_state_t *restrict, libgamma_gamma_ramps64_t); - - -/** - * Set the gamma ramps for a CRTC, `float` version - * - * @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 - */ -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 - * - * @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 - */ -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 - * - * @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 - */ -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 - * - * @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 - */ -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 - * - * 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 - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -__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 - * - * 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 - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -__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 - * - * 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 - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -__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 - * - * 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 - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -__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 - * - * 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 - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -__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 - * - * 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 - * @return Zero on success, otherwise (negative) the value of an - * error identifier provided by this library - */ -__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 __GNUC__ -# undef __attribute__ -#endif - -#endif diff --git a/src/lib/libgamma-method.c b/src/lib/libgamma-method.c deleted file mode 100644 index cf9a23b..0000000 --- a/src/lib/libgamma-method.c +++ /dev/null @@ -1,324 +0,0 @@ -/* See LICENSE file for copyright and license details. */ -#include "libgamma-method.h" - - -#include <stddef.h> -#include <stdint.h> -#include <stdlib.h> - - - -/** - * Initialise a gamma ramp in the proper way that allows all adjustment - * methods to read from and write to it without causing segmentation violation - * - * The input must have `red_size`, `green_size`, and `blue_size` set to the - * sizes of the gamma ramps that should be allocated - * - * @param this The gamma ramps - * @return Zero on success, -1 on allocation error, `errno` will be set accordingly - */ -int -libgamma_gamma_ramps8_initialise(libgamma_gamma_ramps8_t *restrict this) -{ - size_t n = this->red_size + this->green_size + this->blue_size; - this->red = malloc(n * sizeof(uint8_t)); - this->green = &this-> red[this-> red_size]; - this->blue = &this->green[this->green_size]; - return this->red ? 0 : -1; -} - - -/** - * Release resources that are held by a gamma ramp strcuture that - * has been allocated by `libgamma_gamma_ramps8_initialise` or otherwise - * initialises in the proper manner - * - * @param this The gamma ramps - */ -void -libgamma_gamma_ramps8_destroy(libgamma_gamma_ramps8_t *restrict this) -{ - free(this->red); -} - - -/** - * Release resources that are held by a gamma ramp strcuture that - * has been allocated by `libgamma_gamma_ramps8_initialise` or otherwise - * initialises in the proper manner, as well as release the pointer - * to the structure - * - * @param this The gamma ramps - */ -void -libgamma_gamma_ramps8_free(libgamma_gamma_ramps8_t *restrict this) -{ - free(this->red); - free(this); -} - - - -/** - * Initialise a gamma ramp in the proper way that allows all adjustment - * methods to read from and write to it without causing segmentation violation - * - * The input must have `red_size`, `green_size`, and `blue_size` set to the - * sizes of the gamma ramps that should be allocated - * - * @param this The gamma ramps - * @return Zero on success, -1 on allocation error, `errno` will be set accordingly - */ -int -libgamma_gamma_ramps16_initialise(libgamma_gamma_ramps16_t *restrict this) -{ - size_t n = this->red_size + this->green_size + this->blue_size; -#ifdef HAVE_LIBGAMMA_METHOD_LINUX_DRM - /* Valgrind complains about us reading uninitialize memory if we just use malloc */ - this->red = calloc(n, sizeof(uint16_t)); -#else - this->red = malloc(n * sizeof(uint16_t)); -#endif - this->green = &this-> red[this-> red_size]; - this->blue = &this->green[this->green_size]; - return this->red ? 0 : -1; -} - - -/** - * Release resources that are held by a gamma ramp strcuture that - * has been allocated by `libgamma_gamma_ramps_initialise` or otherwise - * initialises in the proper manner - * - * @param this The gamma ramps - */ -void -libgamma_gamma_ramps16_destroy(libgamma_gamma_ramps16_t *restrict this) -{ - free(this->red); -} - - -/** - * Release resources that are held by a gamma ramp strcuture that - * has been allocated by `libgamma_gamma_ramps_initialise` or otherwise - * initialises in the proper manner, as well as release the pointer - * to the structure - * - * @param this The gamma ramps - */ -void -libgamma_gamma_ramps16_free(libgamma_gamma_ramps16_t *restrict this) -{ - free(this->red); - free(this); -} - - - -/** - * Initialise a gamma ramp in the proper way that allows all adjustment - * methods to read from and write to it without causing segmentation violation - * - * The input must have `red_size`, `green_size`, and `blue_size` set to the - * sizes of the gamma ramps that should be allocated - * - * @param this The gamma ramps - * @return Zero on success, -1 on allocation error, `errno` will be set accordingly - */ -int -libgamma_gamma_ramps32_initialise(libgamma_gamma_ramps32_t *restrict this) -{ - size_t n = this->red_size + this->green_size + this->blue_size; - this->red = malloc(n * sizeof(uint32_t)); - this->green = &this-> red[this-> red_size]; - this->blue = &this->green[this->green_size]; - return this->red ? 0 : -1; -} - - -/** - * Release resources that are held by a gamma ramp strcuture that - * has been allocated by `libgamma_gamma_ramps32_initialise` or otherwise - * initialises in the proper manner - * - * @param this The gamma ramps - */ -void -libgamma_gamma_ramps32_destroy(libgamma_gamma_ramps32_t *restrict this) -{ - free(this->red); -} - - -/** - * Release resources that are held by a gamma ramp strcuture that - * has been allocated by `libgamma_gamma_ramps32_initialise` or otherwise - * initialises in the proper manner, as well as release the pointer - * to the structure - * - * @param this The gamma ramps - */ -void -libgamma_gamma_ramps32_free(libgamma_gamma_ramps32_t *restrict this) -{ - free(this->red); - free(this); -} - - - -/** - * Initialise a gamma ramp in the proper way that allows all adjustment - * methods to read from and write to it without causing segmentation violation - * - * The input must have `red_size`, `green_size`, and `blue_size` set to the - * sizes of the gamma ramps that should be allocated - * - * @param this The gamma ramps - * @return Zero on success, -1 on allocation error, `errno` will be set accordingly - */ -int -libgamma_gamma_ramps64_initialise(libgamma_gamma_ramps64_t *restrict this) -{ - size_t n = this->red_size + this->green_size + this->blue_size; - this->red = malloc(n * sizeof(uint64_t)); - this->green = &this-> red[this-> red_size]; - this->blue = &this->green[this->green_size]; - return this->red ? 0 : -1; -} - - -/** - * Release resources that are held by a gamma ramp strcuture that - * has been allocated by `libgamma_gamma_ramps64_initialise` or otherwise - * initialises in the proper manner - * - * @param this The gamma ramps - */ -void -libgamma_gamma_ramps64_destroy(libgamma_gamma_ramps64_t *restrict this) -{ - free(this->red); -} - - -/** - * Release resources that are held by a gamma ramp strcuture that - * has been allocated by `libgamma_gamma_ramps64_initialise` or otherwise - * initialises in the proper manner, as well as release the pointer - * to the structure - * - * @param this The gamma ramps - */ -void -libgamma_gamma_ramps64_free(libgamma_gamma_ramps64_t *restrict this) -{ - free(this->red); - free(this); -} - - - -/** - * Initialise a gamma ramp in the proper way that allows all adjustment - * methods to read from and write to it without causing segmentation violation - * - * The input must have `red_size`, `green_size`, and `blue_size` set to the - * sizes of the gamma ramps that should be allocated - * - * @param this The gamma ramps - * @return Zero on success, -1 on allocation error, `errno` will be set accordingly - */ -int -libgamma_gamma_rampsf_initialise(libgamma_gamma_rampsf_t *restrict this) -{ - size_t n = this->red_size + this->green_size + this->blue_size; - this->red = malloc(n * sizeof(float)); - this->green = &this-> red[this-> red_size]; - this->blue = &this->green[this->green_size]; - return this->red ? 0 : -1; -} - - -/** - * Release resources that are held by a gamma ramp strcuture that - * has been allocated by `libgamma_gamma_rampsf_initialise` or otherwise - * initialises in the proper manner - * - * @param this The gamma ramps - */ -void -libgamma_gamma_rampsf_destroy(libgamma_gamma_rampsf_t *restrict this) -{ - free(this->red); -} - - -/** - * Release resources that are held by a gamma ramp strcuture that - * has been allocated by `libgamma_gamma_rampsf_initialise` or otherwise - * initialises in the proper manner, as well as release the pointer - * to the structure - * - * @param this The gamma ramps - */ -void -libgamma_gamma_rampsf_free(libgamma_gamma_rampsf_t *restrict this) -{ - free(this->red); - free(this); -} - - - -/** - * Initialise a gamma ramp in the proper way that allows all adjustment - * methods to read from and write to it without causing segmentation violation - * - * The input must have `red_size`, `green_size`, and `blue_size` set to the - * sizes of the gamma ramps that should be allocated - * - * @param this The gamma ramps - * @return Zero on success, -1 on allocation error, `errno` will be set accordingly - */ -int -libgamma_gamma_rampsd_initialise(libgamma_gamma_rampsd_t *restrict this) -{ - size_t n = this->red_size + this->green_size + this->blue_size; - this->red = malloc(n * sizeof(double)); - this->green = &this-> red[this-> red_size]; - this->blue = &this->green[this->green_size]; - return this->red ? 0 : -1; -} - - -/** - * Release resources that are held by a gamma ramp strcuture that - * has been allocated by `libgamma_gamma_rampsd_initialise` or otherwise - * initialises in the proper manner - * - * @param this The gamma ramps - */ -void -libgamma_gamma_rampsd_destroy(libgamma_gamma_rampsd_t *restrict this) -{ - free(this->red); -} - - -/** - * Release resources that are held by a gamma ramp strcuture that - * has been allocated by `libgamma_gamma_rampsd_initialise` or otherwise - * initialises in the proper manner, as well as release the pointer - * to the structure - * - * @param this The gamma ramps - */ -void -libgamma_gamma_rampsd_free(libgamma_gamma_rampsd_t *restrict this) -{ - free(this->red); - free(this); -} diff --git a/src/lib/libgamma-method.h b/src/lib/libgamma-method.h deleted file mode 100644 index e2a35c6..0000000 --- a/src/lib/libgamma-method.h +++ /dev/null @@ -1,1323 +0,0 @@ -/* See LICENSE file for copyright and license details. */ -#ifndef LIBGAMMA_METHOD_H -#define LIBGAMMA_METHOD_H - -#if !defined(LIBGAMMA_CONFIG_H) && !defined(DEBUG) -# error libgamma-method.h should not be included directly, include libgamma.h instead -#endif - - -#ifndef __GNUC__ -# define __attribute__(x) -#endif - -#include <stddef.h> -#include <stdint.h> - - - -/** - * The identifier for the dummy adjustment method - * - * This method can be configured and is useful for - * testing your program's ability to handle errors - */ -#define LIBGAMMA_METHOD_DUMMY 0 - -/** - * The identifier for the adjustment method with - * uses the RandR protocol under the X display server - */ -#define LIBGAMMA_METHOD_X_RANDR 1 - -/** - * The identifier for the adjustment method with - * uses the VidMode protocol under the X display server - * - * This is an older alternative to RandR that can - * work on some drivers that are not supported by RandR, - * however it can only control the primary CRTC per - * screen (partition) - */ -#define LIBGAMMA_METHOD_X_VIDMODE 2 - -/** - * The identifier for the Direct Rendering Manager - * adjustment method that is available in Linux - * (built in to the Linux kernel with a userland - * library for access) and is a part of the - * Direct Rendering Infrastructure. - * - * This adjustment method will work when you are - * in non-graphical mode; however a display server - * cannot be started while this is running, but it - * can be started while a display server is running - */ -#define LIBGAMMA_METHOD_LINUX_DRM 3 - -/** - * The identifier for the Graphics Device Interface - * adjustment method that is available in Windows - * - * This method is not well tested; it can be compiled - * to be available under X.org using a translation layer - */ -#define LIBGAMMA_METHOD_W32_GDI 4 - -/** - * The identifier for the CoreGraphics adjustment - * method that is available in Mac OS X that can - * adjust gamma ramps under the Quartz display server - * - * This method is not well tested; it can be compiled - * to be available under X.org using a translation layer - */ -#define LIBGAMMA_METHOD_QUARTZ_CORE_GRAPHICS 5 - - -/** - * The index of the last gamma method, neither it - * nor any index before it may actually be supported - * as it could have been disabled at compile-time - */ -#define LIBGAMMA_METHOD_MAX 5 - -/** - * The number adjustment methods provided by this library. - * Note however that this includes adjstment methods that - * have been removed at compile-time - */ -#define LIBGAMMA_METHOD_COUNT (LIBGAMMA_METHOD_MAX + 1) - - - -/** - * Capabilities of adjustment methods - */ -typedef struct libgamma_method_capabilities { - /** - * OR of the CRTC information fields in `libgamma_crtc_information_t` - * that may (but can fail) be read successfully - */ - int32_t crtc_information; - - /** - * Whether the default site is known, if true the site is integrated - * to the system or can be determined using environment variables - */ - unsigned default_site_known : 1; - - /** - * Whether the adjustment method supports multiple sites rather - * than just the default site - */ - unsigned multiple_sites : 1; - - /** - * Whether the adjustment method supports multiple partitions - * per site - */ - unsigned multiple_partitions : 1; - - /** - * Whether the adjustment method supports multiple CRTC:s - * per partition per site - */ - unsigned multiple_crtcs : 1; - - /** - * Whether the partition to graphics card is a bijection - */ - unsigned partitions_are_graphics_cards : 1; - - /** - * Whether the adjustment method supports `libgamma_site_restore` - */ - unsigned site_restore : 1; - - /** - * Whether the adjustment method supports `libgamma_partition_restore` - */ - unsigned partition_restore : 1; - - /** - * Whether the adjustment method supports `libgamma_crtc_restore` - */ - unsigned crtc_restore : 1; - - /** - * Whether the `red_gamma_size`, `green_gamma_size` and `blue_gamma_size` - * fields in `libgamma_crtc_information_t` will always have the same - * values as each other for the adjustment method - */ - unsigned identical_gamma_sizes : 1; - - /** - * Whether the `red_gamma_size`, `green_gamma_size` and `blue_gamma_size` - * fields in `libgamma_crtc_information_t` will always be filled with the - * same value for the adjustment method - */ - unsigned fixed_gamma_size : 1; - - /** - * Whether the `gamma_depth` field in `libgamma_crtc_information_t` - * will always be filled with the same value for the adjustment method - */ - unsigned fixed_gamma_depth : 1; - - /** - * Whether the adjustment method will actually perform adjustments - */ - unsigned real : 1; - - /** - * Whether the adjustment method is implement using a translation layer - */ - unsigned fake : 1; - - /** - * Whether adjustments are undone when the process disconnects from - * the display server - */ - unsigned auto_restore : 1; - -} libgamma_method_capabilities_t; - - - -/** - * Site state - * - * On operating systems that integrate a graphical environment - * there is usually just one site. However, one systems with - * pluggable graphics, like Unix-like systems such as GNU/Linux - * and the BSD:s, there can usually be any (feasible) number of - * sites. In X.org parlance they are called displays. - */ -typedef struct libgamma_site_state { - /** - * Adjustment method implementation specific data. - * You as a user of this library should not touch this. - */ - void *data; - - /** - * This field specifies, for the methods if this library, - * which adjustment method (display server and protocol) - * is used to adjust the gamma ramps - */ - int method; - - /** - * The site identifier. It can either be `NULL` or a string. - * `NULL` indicates the default site. On systems like the - * Unix-like systems, where the graphics are pluggable, this - * is usually resolved by an environment variable, such as - * "DISPLAY" for X.org. - */ - char *site; - - /** - * The number of partitions that is available on this site. - * Probably the majority of display server only one partition - * per site. However, X.org can, and traditional used to have - * on multi-headed environments, multiple partitions per site. - * In X.org partitions are called 'screens'. It is not to be - * confused with monitor. A screen is a collection of monitors, - * and the mapping from monitors to screens is a surjection. - * On hardware-level adjustment methods, such as Direct - * Rendering Manager, a partition is a graphics card. - */ - size_t partitions_available; - -} libgamma_site_state_t; - - -/** - * Partition state - * - * Probably the majority of display server only one partition - * per site. However, X.org can, and traditional used to have - * on multi-headed environments, multiple partitions per site. - * In X.org partitions are called 'screens'. It is not to be - * confused with monitor. A screen is a collection of monitors, - * and the mapping from monitors to screens is a surjection. - * On hardware-level adjustment methods, such as Direct - * Rendering Manager, a partition is a graphics card. - */ -typedef struct libgamma_partition_state { - /** - * Adjustment method implementation specific data - * - * You as a user of this library should not touch this - */ - void *data; - - /** - * The site this partition belongs to - */ - libgamma_site_state_t *site; - - /** - * The index of the partition - */ - size_t partition; - - /** - * The number of CRTC:s that are available - * under this partition - * - * Note that the CRTC:s are not necessarily - * online. - */ - size_t crtcs_available; - -} libgamma_partition_state_t; - - -/** - * Cathode ray tube controller state - * - * The CRTC controls the gamma ramps for the - * monitor that is plugged in to the connector - * that the CRTC belongs to - */ -typedef struct libgamma_crtc_state { - /** - * Adjustment method implementation specific data - * - * You as a user of this library should not touch this - */ - void *data; - - /** - * The partition this CRTC belongs to - */ - libgamma_partition_state_t *partition; - - /** - * The index of the CRTC within its partition - */ - size_t crtc; - -} libgamma_crtc_state_t; - - -/** - * Types for connectors - */ -typedef enum libgamma_connector_type { - /** - * The adjustment method does not know the connector's type - * - * (This could be considered an error) - */ - LIBGAMMA_CONNECTOR_TYPE_Unknown = 0, - - /** - * Video Graphics Array (VGA) - */ - LIBGAMMA_CONNECTOR_TYPE_VGA, - - /** - * Digital Visual Interface, unknown type - */ - LIBGAMMA_CONNECTOR_TYPE_DVI, - - /** - * Digital Visual Interface, integrated (DVI-I) - */ - LIBGAMMA_CONNECTOR_TYPE_DVII, - - /** - * Digital Visual Interface, digital only (DVI-D) - */ - LIBGAMMA_CONNECTOR_TYPE_DVID, - - /** - * Digital Visual Interface, analogue only (DVI-A) - */ - LIBGAMMA_CONNECTOR_TYPE_DVIA, - - /** - * Composite video - */ - LIBGAMMA_CONNECTOR_TYPE_Composite, - - /** - * Separate Video (S-video) - */ - LIBGAMMA_CONNECTOR_TYPE_SVIDEO, - - /** - * Low-voltage differential signaling (LVDS) - */ - LIBGAMMA_CONNECTOR_TYPE_LVDS, - - /** - * Component video, usually separate cables for each channel - */ - LIBGAMMA_CONNECTOR_TYPE_Component, - - /** - * 9 pin DIN (Deutsches Institut für Normung) connector - */ - LIBGAMMA_CONNECTOR_TYPE_9PinDIN, - - /** - * DisplayPort - */ - LIBGAMMA_CONNECTOR_TYPE_DisplayPort, - - /** - * High-Definition Multimedia Interface (HDMI), unknown type - */ - LIBGAMMA_CONNECTOR_TYPE_HDMI, - - /** - * High-Definition Multimedia Interface, type A (HDMI-A) - */ - LIBGAMMA_CONNECTOR_TYPE_HDMIA, - - /** - * High-Definition Multimedia Interface, type B (HDMI-B) - */ - LIBGAMMA_CONNECTOR_TYPE_HDMIB, - - /** - * Television, unknown connector - */ - LIBGAMMA_CONNECTOR_TYPE_TV, - - /** - * Embedded DisplayPort (eDP) - */ - LIBGAMMA_CONNECTOR_TYPE_eDP, - - /** - * A virtual connector - */ - LIBGAMMA_CONNECTOR_TYPE_VIRTUAL, - - /** - * Display Serial Interface (DSI) - */ - LIBGAMMA_CONNECTOR_TYPE_DSI, - - /** - * LFP connector - * - * (What is this?) - */ - LIBGAMMA_CONNECTOR_TYPE_LFP - -} libgamma_connector_type_t; - -/** - * The number of values defined in `libgamma_connector_type_t` - */ -#define LIBGAMMA_CONNECTOR_TYPE_COUNT 20 - -/** - * Orders for subpixels - * - * Currently the possible values are very biased - * to LCD, Plasma and monochrome monitors - */ -typedef enum libgamma_subpixel_order { - /** - * The adjustment method does not know the order of the subpixels - * - * (This could be considered an error) - */ - LIBGAMMA_SUBPIXEL_ORDER_UNKNOWN = 0, - - /** - * There are no subpixels in the monitor - */ - LIBGAMMA_SUBPIXEL_ORDER_NONE, - - /** - * The subpixels are ordered red, green and then blue, from left to right - */ - LIBGAMMA_SUBPIXEL_ORDER_HORIZONTAL_RGB, - - /** - * The subpixels are ordered blue, green and then red, from left to right - */ - LIBGAMMA_SUBPIXEL_ORDER_HORIZONTAL_BGR, - - /** - * The subpixels are ordered red, green and then blue, from the top down - */ - LIBGAMMA_SUBPIXEL_ORDER_VERTICAL_RGB, - - /** - * The subpixels are ordered blue, green and then red, from the top down - */ - LIBGAMMA_SUBPIXEL_ORDER_VERTICAL_BGR - -} libgamma_subpixel_order_t; - -/** - * The number of values defined in `libgamma_subpixel_order_t` - */ -#define LIBGAMMA_SUBPIXEL_ORDER_COUNT 6 - - -/** - * Answer enum to a decision problem - */ -typedef enum libgamma_decision { - /** - * The answer is negative - */ - LIBGAMMA_NO = 0, - - /** - * The answer is unknown - */ - LIBGAMMA_MAYBE = 1, - - /** - * The answer is positive - */ - LIBGAMMA_YES = 2 - -} libgamma_decision_t; - - -/** - * For a `libgamma_crtc_information_t` fill in the values for - * `edid` and `edid_length` and report errors to `edid_error` - */ -#define LIBGAMMA_CRTC_INFO_EDID (1 << 0) - -/** - * For a `libgamma_crtc_information_t` fill in the value - * for `width_mm` and report errors to `width_mm_error` - */ -#define LIBGAMMA_CRTC_INFO_WIDTH_MM (1 << 1) - -/** - * For a `libgamma_crtc_information_t` fill in the value - * for `height_mm` and report errors to `height_mm_error` - */ -#define LIBGAMMA_CRTC_INFO_HEIGHT_MM (1 << 2) - -/** - * For a `libgamma_crtc_information_t` fill in the value for - * `width_mm_edid` and report errors to `width_mm_edid_error` - */ -#define LIBGAMMA_CRTC_INFO_WIDTH_MM_EDID (1 << 3) - -/** - * For a `libgamma_crtc_information_t` fill in the value for - * `height_mm_edid` and report errors to `height_mm_edid_error` - */ -#define LIBGAMMA_CRTC_INFO_HEIGHT_MM_EDID (1 << 4) - -/** - * For a `libgamma_crtc_information_t` fill in the values for - * `red_gamma_size`, `green_gamma_size`, and `blue_gamma_size`, - * and report errors to `gamma_size_error` - */ -#define LIBGAMMA_CRTC_INFO_GAMMA_SIZE (1 << 5) - -/** - * For a `libgamma_crtc_information_t` fill in the value for - * `gamma_depth` and report errors to `gamma_depth_error` - */ -#define LIBGAMMA_CRTC_INFO_GAMMA_DEPTH (1 << 6) - -/** - * For a `libgamma_crtc_information_t` fill in the value for - * `gamma_support` and report errors to `gamma_support_error` - */ -#define LIBGAMMA_CRTC_INFO_GAMMA_SUPPORT (1 << 7) - -/** - * For a `libgamma_crtc_information_t` fill in the value for - * `subpixel_order` and report errors to `subpixel_order_error` - */ -#define LIBGAMMA_CRTC_INFO_SUBPIXEL_ORDER (1 << 8) - -/** - * For a `libgamma_crtc_information_t` fill in the - * value for `active` and report errors to `active_error` - */ -#define LIBGAMMA_CRTC_INFO_ACTIVE (1 << 9) - -/** - * For a `libgamma_crtc_information_t` fill in the value for - * `connector_name` and report errors to `connector_name_error` - */ -#define LIBGAMMA_CRTC_INFO_CONNECTOR_NAME (1 << 10) - -/** - * For a `libgamma_crtc_information_t` fill in the value for - * `connector_type` and report errors to `connector_type_error` - */ -#define LIBGAMMA_CRTC_INFO_CONNECTOR_TYPE (1 << 11) - -/** - * For a `libgamma_crtc_information_t` fill in the - * values for `gamma_red`, `gamma_green`, and `gamma_blue` - * and report errors to `gamma_error` - */ -#define LIBGAMMA_CRTC_INFO_GAMMA (1 << 12) - -/** - * The number of `LIBGAMMA_CRTC_INFO_*` values defined - */ -#define LIBGAMMA_CRTC_INFO_COUNT 13 - -/** - * Macro for both `libgamma_crtc_information_t` fields - * that can specify the size of the monitor's viewport - * as specified in the monitor's Extended Display - * Information Data - */ -#define LIBGAMMA_CRTC_INFO_MACRO_EDID_VIEWPORT (LIBGAMMA_CRTC_INFO_WIDTH_MM_EDID | LIBGAMMA_CRTC_INFO_HEIGHT_MM_EDID) - -/** - * Macro for all `libgamma_crtc_information_t` fields - * that can be filled if the adjustment method have - * support for reading the monitors' Extended Display - * Information Data - */ -#define LIBGAMMA_CRTC_INFO_MACRO_EDID (LIBGAMMA_CRTC_INFO_EDID | LIBGAMMA_CRTC_INFO_MACRO_EDID_VIEWPORT | LIBGAMMA_CRTC_INFO_GAMMA) - -/** - * Macro for both `libgamma_crtc_information_t` fields - * that can specify the size of the monitor's viewport - * as provided by the adjustment method without this - * library having to parse the monitor's Extended Display - * Information Data - */ -#define LIBGAMMA_CRTC_INFO_MACRO_VIEWPORT (LIBGAMMA_CRTC_INFO_WIDTH_MM | LIBGAMMA_CRTC_INFO_HEIGHT_MM) - -/** - * Macro for the `libgamma_crtc_information_t` fields - * that specifies the CRTC's gamma ramp sizes and gamma - * ramp depth - */ -#define LIBGAMMA_CRTC_INFO_MACRO_RAMP (LIBGAMMA_CRTC_INFO_GAMMA_SIZE | LIBGAMMA_CRTC_INFO_GAMMA_DEPTH) - -/** - * Macro for the `libgamma_crtc_information_t` fields - * that specifies the CRTC's connector type and the - * partition unique name of the connector - */ -#define LIBGAMMA_CRTC_INFO_MACRO_CONNECTOR (LIBGAMMA_CRTC_INFO_CONNECTOR_NAME | LIBGAMMA_CRTC_INFO_CONNECTOR_TYPE) - -/** - * Macro for the `libgamma_crtc_information_t` fields - * that required there is a monitor attached to the - * connector, and that status itself - */ -#define LIBGAMMA_CRTC_INFO_MACRO_ACTIVE (LIBGAMMA_CRTC_INFO_MACRO_EDID | LIBGAMMA_CRTC_INFO_MACRO_VIEWPORT |\ - LIBGAMMA_CRTC_INFO_SUBPIXEL_ORDER | LIBGAMMA_CRTC_INFO_ACTIVE) - - - -/** - * Cathode ray tube controller information data structure - */ -typedef struct libgamma_crtc_information { - /** - * The Extended Display Identification Data associated with - * the attached monitor. - * - * This is raw byte array that is usually 128 bytes long. - * It is not NUL-terminate, rather its length is stored in - * `edid_length`. - */ - unsigned char *edid; - - /** - * The length of `edid` - */ - size_t edid_length; - - /** - * Zero on success, positive it holds the value `errno` had - * when the reading failed, otherwise (negative) the value - * of an error identifier provided by this library - */ - int edid_error; - - - /** - * The phyical width, in millimetres, of the viewport of the - * attached monitor, as reported by the adjustment method - * - * This value may be incorrect, which is a known issue with - * the X server where it is the result of the X server - * attempting the estimate the size on its own - * - * Zero means that its is not applicable, which is the case - * for projectors - */ - size_t width_mm; - - /** - * Zero on success, positive it holds the value `errno` had - * when the reading failed, otherwise (negative) the value - * of an error identifier provided by this library - */ - int width_mm_error; - - - /** - * The phyical height, in millimetres, of the viewport of the - * attached monitor, as reported by the adjustment method - * - * This value may be incorrect, which is a known issue with - * the X server where it is the result of the X server - * attempting the estimate the size on its own - * - * Zero means that its is not applicable, which is the case - * for projectors - */ - size_t height_mm; - - /** - * Zero on success, positive it holds the value `errno` had - * when the reading failed, otherwise (negative) the value - * of an error identifier provided by this library - */ - int height_mm_error; - - - /** - * The phyical width, in millimetres, of the viewport of the - * attached monitor, as reported by it the monitor's Extended - * Display Information Data - * - * This value can only contain whole centimetres, which means - * that the result is always zero modulus ten. However, this - * could change with revisions of the EDID structure. - * - * Zero means that its is not applicable, which is the case - * for projectors. - */ - size_t width_mm_edid; - - /** - * Zero on success, positive it holds the value `errno` had - * when the reading failed, otherwise (negative) the value - * of an error identifier provided by this library - */ - int width_mm_edid_error; - - - /** - * The phyical height, in millimetres, of the viewport of the - * attached monitor, as reported by it the monitor's Extended - * Display Information Data - * - * This value can only contain whole centimetres, which means - * that the result is always zero modulus ten. However, this - * could change with revisions of the EDID structure. - * - * Zero means that its is not applicable, which is the case - * for projectors - */ - size_t height_mm_edid; - - /** - * Zero on success, positive it holds the value `errno` had - * when the reading failed, otherwise (negative) the value - * of an error identifier provided by this library - */ - int height_mm_edid_error; - - - /** - * The size of the encoding axis of the red gamma ramp - */ - size_t red_gamma_size; - - /** - * The size of the encoding axis of the green gamma ramp - */ - size_t green_gamma_size; - - /** - * The size of the encoding axis of the blue gamma ramp - */ - size_t blue_gamma_size; - - /** - * Zero on success, positive it holds the value `errno` had - * when the reading failed, otherwise (negative) the value - * of an error identifier provided by this library - */ - int gamma_size_error; - - - /** - * The bit-depth of the value axes of gamma ramps, - * -1 for single precision floating point, and -2 for - * double precision floating point - */ - signed gamma_depth; - - /** - * Zero on success, positive it holds the value `errno` had - * when the reading failed, otherwise (negative) the value - * of an error identifier provided by this library - */ - int gamma_depth_error; - - - /** - * `LIBGAMMA_NO` indicates that the CRTC does not support - * gamma ramp adjustments. `LIBGAMMA_MAYBE` indicates that - * the CRTC may or may not support gamma ramp adjustments, - * meaning that the display server really does not know, but - * the protocol is available. `LIBGAMMA_NO` indicates that - * the CRTC does support gamma ramp adjustments. - */ - libgamma_decision_t gamma_support; - - /** - * Zero on success, positive it holds the value `errno` had - * when the reading failed, otherwise (negative) the value - * of an error identifier provided by this library - */ - int gamma_support_error; - - - /** - * The layout of the subpixels - * - * You cannot count on this value — especially for CRT:s — - * but it is provided anyway as a means of distinguishing - * monitors - */ - libgamma_subpixel_order_t subpixel_order; - - /** - * Zero on success, positive it holds the value `errno` had - * when the reading failed, otherwise (negative) the value - * of an error identifier provided by this library - */ - int subpixel_order_error; - - - /** - * Whether there is a monitor connected to the CRTC - */ - int active; - - /** - * Zero on success, positive it holds the value `errno` had - * when the reading failed, otherwise (negative) the value - * of an error identifier provided by this library - */ - int active_error; - - - /** - * The name of the connector as designated by the display - * server or as give by this library in case the display - * server lacks this feature. - */ - char *connector_name; - - /** - * Zero on success, positive it holds the value `errno` had - * when the reading failed, otherwise (negative) the value - * of an error identifier provided by this library. - */ - int connector_name_error; - - - /** - * The type of the connector that is associated with the CRTC. - */ - libgamma_connector_type_t connector_type; - - /** - * Zero on success, positive it holds the value `errno` had - * when the reading failed, otherwise (negative) the value - * of an error identifier provided by this library. - */ - int connector_type_error; - - - /** - * The gamma characteristics of the monitor as reported - * in its Extended Display Information Data. The value - * holds the value for the red channel. - * - * If you do not have and more accurate measurement of the - * gamma for the monitor this could be used to give a rought - * gamma correction; simply divide the value with 2.2 and use - * the result for the red channel in the gamma correction. - */ - float gamma_red; - - /** - * The gamma characteristics of the monitor as reported - * in its Extended Display Information Data. The value - * holds the value for the green channel. - * - * If you do not have and more accurate measurement of the - * gamma for the monitor this could be used to give a rought - * gamma correction; simply divide the value with 2.2 and use - * the result for the green channel in the gamma correction. - */ - float gamma_green; - - /** - * The gamma characteristics of the monitor as reported - * in its Extended Display Information Data. The value - * holds the value for the blue channel. - * - * If you do not have and more accurate measurement of the - * gamma for the monitor this could be used to give a rought - * gamma correction; simply divide the value with 2.2 and use - * the result for the blue channel in the gamma correction. - */ - float gamma_blue; - - /** - * Zero on success, positive it holds the value `errno` had - * when the reading failed, otherwise (negative) the value - * of an error identifier provided by this library - */ - int gamma_error; - -} libgamma_crtc_information_t; - - - -/** - * Gamma ramp structure for 8-bit gamma ramps - */ -typedef struct libgamma_gamma_ramps8 { - /** - * The size of `red` - */ - size_t red_size; - - /** - * The size of `green` - */ - size_t green_size; - - /** - * The size of `blue` - */ - size_t blue_size; - - /** - * The gamma ramp for the red channel - */ - uint8_t *red; - - /** - * The gamma ramp for the green channel - */ - uint8_t *green; - - /** - * The gamma ramp for the blue channel - */ - uint8_t *blue; - -} libgamma_gamma_ramps8_t; - - -/** - * Gamma ramp structure for 16-bit gamma ramps - */ -typedef struct libgamma_gamma_ramps16 -{ - /** - * The size of `red` - */ - size_t red_size; - - /** - * The size of `green` - */ - size_t green_size; - - /** - * The size of `blue` - */ - size_t blue_size; - - /** - * The gamma ramp for the red channel - */ - uint16_t *red; - - /** - * The gamma ramp for the green channel - */ - uint16_t *green; - - /** - * The gamma ramp for the blue channel - */ - uint16_t *blue; - -} libgamma_gamma_ramps16_t; - - -/** - * Gamma ramp structure for 32-bit gamma ramps - */ -typedef struct libgamma_gamma_ramps32 -{ - /** - * The size of `red` - */ - size_t red_size; - - /** - * The size of `green` - */ - size_t green_size; - - /** - * The size of `blue` - */ - size_t blue_size; - - /** - * The gamma ramp for the red channel - */ - uint32_t *red; - - /** - * The gamma ramp for the green channel - */ - uint32_t *green; - - /** - * The gamma ramp for the blue channel - */ - uint32_t *blue; - -} libgamma_gamma_ramps32_t; - - -/** - * Gamma ramp structure for 64-bit gamma ramps - */ -typedef struct libgamma_gamma_ramps64 -{ - /** - * The size of `red` - */ - size_t red_size; - - /** - * The size of `green` - */ - size_t green_size; - - /** - * The size of `blue` - */ - size_t blue_size; - - /** - * The gamma ramp for the red channel - */ - uint64_t *red; - - /** - * The gamma ramp for the green channel - */ - uint64_t *green; - - /** - * The gamma ramp for the blue channel - */ - uint64_t *blue; - -} libgamma_gamma_ramps64_t; - - -/** - * Gamma ramp structure for `float` gamma ramps - */ -typedef struct libgamma_gamma_rampsf -{ - /** - * The size of `red` - */ - size_t red_size; - - /** - * The size of `green` - */ - size_t green_size; - - /** - * The size of `blue` - */ - size_t blue_size; - - /** - * The gamma ramp for the red channel - */ - float *red; - - /** - * The gamma ramp for the green channel - */ - float *green; - - /** - * The gamma ramp for the blue channel - */ - float *blue; - -} libgamma_gamma_rampsf_t; - - -/** - * Gamma ramp structure for `double` gamma ramps - */ -typedef struct libgamma_gamma_rampsd -{ - /** - * The size of `red` - */ - size_t red_size; - - /** - * The size of `green` - */ - size_t green_size; - - /** - * The size of `blue` - */ - size_t blue_size; - - /** - * The gamma ramp for the red channel - */ - double *red; - - /** - * The gamma ramp for the green channel - */ - double *green; - - /** - * The gamma ramp for the blue channel - */ - double *blue; - -} libgamma_gamma_rampsd_t; - - - -/** - * Initialise a gamma ramp in the proper way that allows all adjustment - * methods to read from and write to it without causing segmentation violation - * - * The input must have `red_size`, `green_size`, and `blue_size` set to the - * sizes of the gamma ramps that should be allocated - * - * @param this The gamma ramps - * @return Zero on success, -1 on allocation error, `errno` will be set accordingly - */ -int libgamma_gamma_ramps8_initialise(libgamma_gamma_ramps8_t *restrict); - -/** - * Release resources that are held by a gamma ramp strcuture that - * has been allocated by `libgamma_gamma_ramps8_initialise` or otherwise - * initialised in the proper manner - * - * @param this The gamma ramps - */ -void libgamma_gamma_ramps8_destroy(libgamma_gamma_ramps8_t *restrict); - -/** - * Release resources that are held by a gamma ramp strcuture that - * has been allocated by `libgamma_gamma_ramps8_initialise` or otherwise - * initialised in the proper manner, as well as release the pointer - * to the structure - * - * @param this The gamma ramps - */ -void libgamma_gamma_ramps8_free(libgamma_gamma_ramps8_t *restrict); - - -/** - * Initialise a gamma ramp in the proper way that allows all adjustment - * methods to read from and write to it without causing segmentation violation - * - * The input must have `red_size`, `green_size`, and `blue_size` set to the - * sizes of the gamma ramps that should be allocated - * - * @param this The gamma ramps - * @return Zero on success, -1 on allocation error, `errno` will be set accordingly - */ -int libgamma_gamma_ramps16_initialise(libgamma_gamma_ramps16_t *restrict); - -/** - * Release resources that are held by a gamma ramp strcuture that - * has been allocated by `libgamma_gamma_ramps16_initialise` or otherwise - * initialised in the proper manner - * - * @param this The gamma ramps - */ -void libgamma_gamma_ramps16_destroy(libgamma_gamma_ramps16_t *restrict); - -/** - * Release resources that are held by a gamma ramp strcuture that - * has been allocated by `libgamma_gamma_ramps16_initialise` or otherwise - * initialised in the proper manner, as well as release the pointer - * to the structure - * - * @param this The gamma ramps - */ -void libgamma_gamma_ramps16_free(libgamma_gamma_ramps16_t *restrict); - - -/** - * Initialise a gamma ramp in the proper way that allows all adjustment - * methods to read from and write to it without causing segmentation violation - * - * The input must have `red_size`, `green_size`, and `blue_size` set to the - * sizes of the gamma ramps that should be allocated. - * - * @param this The gamma ramps - * @return Zero on success, -1 on allocation error, `errno` will be set accordingly - */ -int libgamma_gamma_ramps32_initialise(libgamma_gamma_ramps32_t *restrict); - -/** - * Release resources that are held by a gamma ramp strcuture that - * has been allocated by `libgamma_gamma_ramps32_initialise` or otherwise - * initialised in the proper manner - * - * @param this The gamma ramps - */ -void libgamma_gamma_ramps32_destroy(libgamma_gamma_ramps32_t *restrict); - -/** - * Release resources that are held by a gamma ramp strcuture that - * has been allocated by `libgamma_gamma_ramps32_initialise` or otherwise - * initialised in the proper manner, as well as release the pointer - * to the structure - * - * @param this The gamma ramps - */ -void libgamma_gamma_ramps32_free(libgamma_gamma_ramps32_t *restrict); - - -/** - * Initialise a gamma ramp in the proper way that allows all adjustment - * methods to read from and write to it without causing segmentation violation. - * - * The input must have `red_size`, `green_size`, and `blue_size` set to the - * sizes of the gamma ramps that should be allocated. - * - * @param this The gamma ramps - * @return Zero on success, -1 on allocation error, `errno` will be set accordingly - */ -int libgamma_gamma_ramps64_initialise(libgamma_gamma_ramps64_t *restrict); - -/** - * Release resources that are held by a gamma ramp strcuture that - * has been allocated by `libgamma_gamma_ramps64_initialise` or otherwise - * initialised in the proper manner - * - * @param this The gamma ramps - */ -void libgamma_gamma_ramps64_destroy(libgamma_gamma_ramps64_t *restrict); - -/** - * Release resources that are held by a gamma ramp strcuture that - * has been allocated by `libgamma_gamma_ramps64_initialise` or otherwise - * initialised in the proper manner, as well as release the pointer - * to the structure - * - * @param this The gamma ramps - */ -void libgamma_gamma_ramps64_free(libgamma_gamma_ramps64_t *restrict); - - -/** - * Initialise a gamma ramp in the proper way that allows all adjustment - * methods to read from and write to it without causing segmentation violation - * - * The input must have `red_size`, `green_size`, and `blue_size` set to the - * sizes of the gamma ramps that should be allocated - * - * @param this The gamma ramps - * @return Zero on success, -1 on allocation error, `errno` will be set accordingly - */ -int libgamma_gamma_rampsf_initialise(libgamma_gamma_rampsf_t *restrict); - -/** - * Release resources that are held by a gamma ramp strcuture that - * has been allocated by `libgamma_gamma_rampsf_initialise` or otherwise - * initialised in the proper manner - * - * @param this The gamma ramps - */ -void libgamma_gamma_rampsf_destroy(libgamma_gamma_rampsf_t *restrict); - -/** - * Release resources that are held by a gamma ramp strcuture that - * has been allocated by `libgamma_gamma_rampsf_initialise` or otherwise - * initialised in the proper manner, as well as release the pointer - * to the structure - * - * @param this The gamma ramps - */ -void libgamma_gamma_rampsf_free(libgamma_gamma_rampsf_t *restrict); - - -/** - * Initialise a gamma ramp in the proper way that allows all adjustment - * methods to read from and write to it without causing segmentation violation - * - * The input must have `red_size`, `green_size`, and `blue_size` set to the - * sizes of the gamma ramps that should be allocated - * - * @param this The gamma ramps - * @return Zero on success, -1 on allocation error, `errno` will be set accordingly - */ -int libgamma_gamma_rampsd_initialise(libgamma_gamma_rampsd_t *restrict); - -/** - * Release resources that are held by a gamma ramp strcuture that - * has been allocated by `libgamma_gamma_rampsd_initialise` or otherwise - * initialised in the proper manner - * - * @param this The gamma ramps - */ -void libgamma_gamma_rampsd_destroy(libgamma_gamma_rampsd_t *restrict); - -/** - * Release resources that are held by a gamma ramp strcuture that - * has been allocated by `libgamma_gamma_rampsd_initialise` or otherwise - * initialised in the proper manner, as well as release the pointer - * to the structure - * - * @param this The gamma ramps - */ -void libgamma_gamma_rampsd_free(libgamma_gamma_rampsd_t *restrict); - - - -#ifndef __GNUC__ -# undef __attribute__ -#endif - -#endif diff --git a/src/lib/libgamma.h b/src/lib/libgamma.h deleted file mode 100644 index cc63fb8..0000000 --- a/src/lib/libgamma.h +++ /dev/null @@ -1,11 +0,0 @@ -/* See LICENSE file for copyright and license details. */ -#ifndef LIBGAMMA_H -#define LIBGAMMA_H - -#include "libgamma-config.h" /* Must be first. */ - -#include "libgamma-method.h" -#include "libgamma-facade.h" -#include "libgamma-error.h" - -#endif |