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authorMattias Andrée <maandree@kth.se>2021-03-05 20:59:13 +0100
committerMattias Andrée <maandree@kth.se>2021-03-05 21:02:20 +0100
commit7edd0ced5c8e45161cb655a36f05f2a90283bb9e (patch)
tree943f82c02c73936aab637d1b40e0513c1591834c
parentAdd -DDEBUG to debug.mk (diff)
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Join test source files into test.c and update
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to '')
-rw-r--r--.gitignore3
-rw-r--r--Makefile10
-rw-r--r--mk/method-dummy=yes.mk3
-rw-r--r--src/test/crtcinfo.c236
-rw-r--r--src/test/crtcinfo.h20
-rw-r--r--src/test/errors.c66
-rw-r--r--src/test/errors.h18
-rw-r--r--src/test/methods.c168
-rw-r--r--src/test/methods.h63
-rw-r--r--src/test/ramps.c104
-rw-r--r--src/test/ramps.h85
-rw-r--r--src/test/test.c157
-rw-r--r--src/test/test.h20
-rw-r--r--src/test/update-warnings.h52
-rw-r--r--src/test/user.c143
-rw-r--r--src/test/user.h28
-rw-r--r--test.c823
17 files changed, 835 insertions, 1164 deletions
diff --git a/.gitignore b/.gitignore
index 0c969eb..0664eb9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,4 +8,5 @@
*.so.*
*.dll
*.dylib
-config.h
+/config.h
+/test
diff --git a/Makefile b/Makefile
index 17f7774..41a9607 100644
--- a/Makefile
+++ b/Makefile
@@ -151,7 +151,7 @@ HDR =\
$(HDR_METHODS)
-all: libgamma.a libgamma.$(LIBEXT)
+all: libgamma.a libgamma.$(LIBEXT) test
$(OBJ): $(@:.o=.c) $(HDR)
$(LOBJ): $(@:.lo=.c) $(HDR)
@@ -177,6 +177,12 @@ libgamma.$(LIBEXT): $(LOBJ)
.c.lo:
$(CC) -fPIC -c -o $@ $< $(CFLAGS) $(CFLAGS_METHODS) $(CPPFLAGS) $(CPPFLAGS_METHODS)
+test.o: test.c libgamma.h
+ $(CC) -c -o $@ test.c $(CFLAGS) $(CPPFLAGS)
+
+test: test.o
+ $(CC) -o $@ test.o libgamma.a $(LDFLAGS_METHODS) $(LDFLAGS)
+
install: libgamma.a libgamma.$(LIBEXT)
mkdir -p -- "$(DESTDIR)$(PREFIX)/lib/"
mkdir -p -- "$(DESTDIR)$(PREFIX)/include/"
@@ -194,7 +200,7 @@ uninstall:
-rm -f -- "$(DESTDIR)$(PREFIX)/include/libgamma.h"
clean:
- -rm -f -- *.o *.lo *.su *.a *.$(LIBEXT)
+ -rm -f -- *.o *.lo *.su *.a *.$(LIBEXT) test config.h
.SUFFIXES:
.SUFFIXES: .lo .o .c
diff --git a/mk/method-dummy=yes.mk b/mk/method-dummy=yes.mk
index 3694cb3..88eb2aa 100644
--- a/mk/method-dummy=yes.mk
+++ b/mk/method-dummy=yes.mk
@@ -26,4 +26,5 @@ OBJ_DUMMY =\
libgamma_dummy_crtc_set_gamma_rampsf.o\
libgamma_dummy_crtc_get_gamma_rampsd.o\
libgamma_dummy_crtc_set_gamma_rampsd.o\
- libgamma_dummy_internal_configurations.o
+ libgamma_dummy_internal_configurations.o\
+ libgamma_dummy_internal_crtc_restore_forced.o
diff --git a/src/test/crtcinfo.c b/src/test/crtcinfo.c
deleted file mode 100644
index 627559b..0000000
--- a/src/test/crtcinfo.c
+++ /dev/null
@@ -1,236 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#include "crtcinfo.h"
-
-
-/**
- * Conditionally print a CRTC information field
- *
- * @param type:data-type Data type for the value of the information field
- * @param notation:string-literal %-pattern for `printf` (excluding the %) that is used for `type`
- * @param do_print Whether the information should be included in the process's output
- * @param description A description of the information field
- * @param error The error of the information field
- * @param value The value of the information field
- */
-#define print_crtc_information_(type, notation)\
- static void\
- print_crtc_information_##type(int do_print, const char *description, int error, type value)\
- {\
- char buf[256];\
- if (do_print) {\
- if (error) {\
- snprintf(buf, sizeof(buf) / sizeof(char), " (error) %s", description);\
- libgamma_perror(buf, error);\
- } else {\
- printf(" %s: %" notation "\n", description, value);\
- }\
- }\
- }
-
-
-/**
- * A single [a-z] word alternative to `const char*`, we need it for the
- * function name of the string variant of `print_crtc_information_*`
- */
-typedef const char *str;
-/* Create `print_crtc_information_*` variants */
-print_crtc_information_(size_t, "lu")
-print_crtc_information_(signed, "i")
-print_crtc_information_(int, "i")
-#ifdef __GCC__
-# pragma GCC diagnostic push
-# pragma GCC diagnostic ignored "-Wdouble-promotion"
-#endif
-print_crtc_information_(float, "f")
-#ifdef __GCC__
-# pragma GCC diagnostic pop
-#endif
-print_crtc_information_(str, "s")
-#undef print_crtc_information_
-
-
-#define __case(VALUE) case VALUE: return #VALUE
-
-/**
- * Get a string representation of a subpixel order
- *
- * @param value The subpixel order
- * @return String representation
- */
-static const char *
-subpixel_order_str(libgamma_subpixel_order_t value)
-{
- switch (value) {
- __case (LIBGAMMA_SUBPIXEL_ORDER_UNKNOWN);
- __case (LIBGAMMA_SUBPIXEL_ORDER_NONE);
- __case (LIBGAMMA_SUBPIXEL_ORDER_HORIZONTAL_RGB);
- __case (LIBGAMMA_SUBPIXEL_ORDER_HORIZONTAL_BGR);
- __case (LIBGAMMA_SUBPIXEL_ORDER_VERTICAL_RGB);
- __case (LIBGAMMA_SUBPIXEL_ORDER_VERTICAL_BGR);
- default:
- return "(unknown)";
- }
-}
-
-
-/**
- * Get a string representation of a connector type
- *
- * @param value The connector type
- * @return String representation
- */
-static const char *
-connector_type_str(libgamma_connector_type_t value)
-{
- switch (value) {
- __case (LIBGAMMA_CONNECTOR_TYPE_Unknown);
- __case (LIBGAMMA_CONNECTOR_TYPE_VGA);
- __case (LIBGAMMA_CONNECTOR_TYPE_DVI);
- __case (LIBGAMMA_CONNECTOR_TYPE_DVII);
- __case (LIBGAMMA_CONNECTOR_TYPE_DVID);
- __case (LIBGAMMA_CONNECTOR_TYPE_DVIA);
- __case (LIBGAMMA_CONNECTOR_TYPE_Composite);
- __case (LIBGAMMA_CONNECTOR_TYPE_SVIDEO);
- __case (LIBGAMMA_CONNECTOR_TYPE_LVDS);
- __case (LIBGAMMA_CONNECTOR_TYPE_Component);
- __case (LIBGAMMA_CONNECTOR_TYPE_9PinDIN);
- __case (LIBGAMMA_CONNECTOR_TYPE_DisplayPort);
- __case (LIBGAMMA_CONNECTOR_TYPE_HDMI);
- __case (LIBGAMMA_CONNECTOR_TYPE_HDMIA);
- __case (LIBGAMMA_CONNECTOR_TYPE_HDMIB);
- __case (LIBGAMMA_CONNECTOR_TYPE_TV);
- __case (LIBGAMMA_CONNECTOR_TYPE_eDP);
- __case (LIBGAMMA_CONNECTOR_TYPE_VIRTUAL);
- __case (LIBGAMMA_CONNECTOR_TYPE_DSI);
- __case (LIBGAMMA_CONNECTOR_TYPE_LFP);
- default:
- return "(unknown)";
- }
-}
-
-
-/**
- * Get a string representation of a decision
- *
- * @param value The decision
- * @return String representation
- */
-static const char *
-decision_str(libgamma_decision_t value)
-{
- switch (value) {
- __case (LIBGAMMA_NO);
- __case (LIBGAMMA_MAYBE);
- __case (LIBGAMMA_YES);
- default:
- return "(unknown)";
- }
-}
-
-#undef __case
-
-
-/**
- * The CRTC information for a CRTC
- *
- * @param crtc The CRTC
- */
-void
-crtc_information(libgamma_crtc_state_t *restrict crtc)
-{
- libgamma_method_capabilities_t caps;
- libgamma_crtc_information_t info;
- int fields, field;
- char *edid_lc, *edid_uc;
- unsigned char *edid_raw;
-
- /* Get supported CRTC informations fields */
- libgamma_method_capabilities(&caps, crtc->partition->site->method);
-
- /* List unsupport information fields by testing them one by one */
- for (fields = caps.crtc_information; field = fields & -fields, fields; fields ^= field) {
- if (libgamma_get_crtc_information(&info, crtc, field))
- printf("Could not read CRTC information field %i\n", field);
- free(info.edid);
- free(info.connector_name);
- }
-
- /* Get CRTC information, that is supported */
- fields = caps.crtc_information;
- if (libgamma_get_crtc_information(&info, crtc, fields))
- printf("An error occurred while reading CRTC information\n");
-
- /* Macros for printing CRTC information */
-#define print2(TYPE, FIELD_ID, DESCRIPTION, FIELD_VAR, ERROR_VAR)\
- print_crtc_information_##TYPE(fields & FIELD_ID, DESCRIPTION, info.ERROR_VAR, info.FIELD_VAR);
-#define print(TYPE, FIELD_ID, DESCRIPTION, FIELD_VAR)\
- print2(TYPE, FIELD_ID, DESCRIPTION, FIELD_VAR, FIELD_VAR##_error);
-
-
- /* Print CRTC information */
-
- printf("CRTC information:\n");
-
- /* Print the EDID field */
- if ((fields & LIBGAMMA_CRTC_INFO_EDID)) {
- if (info.edid_error) {
- libgamma_perror(" (error) EDID", info.edid_error);
- } else {
- edid_lc = libgamma_behex_edid(info.edid, info.edid_length);
- edid_raw = libgamma_unhex_edid(edid_lc);
- edid_uc = libgamma_behex_edid_uppercase(edid_raw, info.edid_length);
- printf(" EDID: %s\n", edid_lc);
- printf(" EDID (uppercase): %s\n", edid_uc);
- printf(" EDID (length): %lu\n", info.edid_length);
- free(edid_lc);
- free(edid_raw);
- free(edid_uc);
- }
- }
- /* Print physical dimensions of the monitor */
- print(size_t, LIBGAMMA_CRTC_INFO_WIDTH_MM, "width", width_mm);
- print(size_t, LIBGAMMA_CRTC_INFO_HEIGHT_MM, "height", height_mm);
- print(size_t, LIBGAMMA_CRTC_INFO_WIDTH_MM_EDID, "width per EDID", width_mm_edid);
- print(size_t, LIBGAMMA_CRTC_INFO_HEIGHT_MM_EDID, "height per EDID", height_mm_edid);
- /* Print gamma ramp information */
- print2(size_t, LIBGAMMA_CRTC_INFO_GAMMA_SIZE, "red gamma ramp size", red_gamma_size, gamma_size_error);
- print2(size_t, LIBGAMMA_CRTC_INFO_GAMMA_SIZE, "green gamma ramp size", green_gamma_size, gamma_size_error);
- print2(size_t, LIBGAMMA_CRTC_INFO_GAMMA_SIZE, "blue gamma ramp size", blue_gamma_size, gamma_size_error);
- print(signed, LIBGAMMA_CRTC_INFO_GAMMA_DEPTH, "gamma ramp depth", gamma_depth);
- /* Print gamma ramp support */
- if (fields & LIBGAMMA_CRTC_INFO_GAMMA_SUPPORT) {
- if (info.gamma_support_error)
- libgamma_perror(" (error) gamma support", info.gamma_support_error);
- else
- printf(" gamma support: %s\n", decision_str(info.gamma_support));
- }
- /* Print subpixel order for the monitor */
- if (fields & LIBGAMMA_CRTC_INFO_SUBPIXEL_ORDER) {
- if (info.subpixel_order_error)
- libgamma_perror(" (error) subpixel order", info.subpixel_order_error);
- else
- printf(" subpixel order: %s\n", subpixel_order_str(info.subpixel_order));
- }
- /* Print connector information */
- print(int, LIBGAMMA_CRTC_INFO_ACTIVE, "active", active);
- print(str, LIBGAMMA_CRTC_INFO_CONNECTOR_NAME, "connector name", connector_name);
- if (fields & LIBGAMMA_CRTC_INFO_CONNECTOR_TYPE) {
- if (info.connector_type_error)
- libgamma_perror(" (error) subpixel order", info.connector_type_error);
- else
- printf(" subpixel order: %s\n", connector_type_str(info.connector_type));
- }
- /* Print the gamma characteristics of the monitor */
- print2(float, LIBGAMMA_CRTC_INFO_GAMMA, "red gamma characteristics", gamma_red, gamma_error);
- print2(float, LIBGAMMA_CRTC_INFO_GAMMA, "green gamma characteristics", gamma_green, gamma_error);
- print2(float, LIBGAMMA_CRTC_INFO_GAMMA, "blue gamma characteristics", gamma_blue, gamma_error);
- printf("\n");
-
-
-#undef print
-#undef print2
-
- /* Release resouces */
- free(info.edid);
- free(info.connector_name);
-}
diff --git a/src/test/crtcinfo.h b/src/test/crtcinfo.h
deleted file mode 100644
index dc120e7..0000000
--- a/src/test/crtcinfo.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#ifndef LIBGAMMA_TEST_CRTCINFO_H
-#define LIBGAMMA_TEST_CRTCINFO_H
-
-
-#include <libgamma.h>
-
-#include <stdio.h>
-#include <stdlib.h>
-
-
-/**
- * The CRTC information for a CRTC
- *
- * @param crtc The CRTC
- */
-void crtc_information(libgamma_crtc_state_t *restrict crtc);
-
-
-#endif
diff --git a/src/test/errors.c b/src/test/errors.c
deleted file mode 100644
index ffe9bd2..0000000
--- a/src/test/errors.c
+++ /dev/null
@@ -1,66 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#include "errors.h"
-
-
-/**
- * The error API
- */
-void
-error_test(void)
-{
- int i;
-
- /* Test that naming and name dereferencing
- of errors work. Because the mappings in
- these [`libgamma_value_of_error` and
- `libgamma_name_of_error`] functions are
- generated, it should work if and only if
- one test passes, assumming the errors are
- unique whihc is tested in the end of this
- function. */
- printf("Testing error API using LIBGAMMA_STATE_UNKNOWN:\n");
- printf(" Expecting %i: %i\n", LIBGAMMA_STATE_UNKNOWN, libgamma_value_of_error("LIBGAMMA_STATE_UNKNOWN"));
- printf(" Expecting %s: %s\n", "LIBGAMMA_STATE_UNKNOWN", libgamma_name_of_error(LIBGAMMA_STATE_UNKNOWN));
- printf("\n");
-
- /* Test that `libgamma_perror` can print
- libgamma errors and system errors, and
- handle success in the same with as `perror`. */
- printf("Testing libgamma_perror:\n");
- libgamma_perror(" Expecting LIBGAMMA_STATE_UNKNOWN", LIBGAMMA_STATE_UNKNOWN);
- libgamma_perror(" Expecting a description for ENOMEM", ENOMEM);
- libgamma_perror(" Expecting a description for successfulness", 0);
- /* Test that `libgamma_perror` handles
- `LIBGAMMA_ERRNO_SET` correctly. */
- libgamma_perror(" Expecting a description for ENOMEM", (errno = ENOMEM, LIBGAMMA_ERRNO_SET));
- /* That that `libgamma_perror` handles
- `LIBGAMMA_DEVICE_REQUIRE_GROUP`
- correctly both when the required
- group's name is known and when it
- is unknown. */
- libgamma_group_gid = 10;
- libgamma_group_name = "test";
- libgamma_perror(" Expecting 'LIBGAMMA_DEVICE_REQUIRE_GROUP: test (10)'", LIBGAMMA_DEVICE_REQUIRE_GROUP);
- libgamma_group_name = NULL;
- libgamma_perror(" Expecting 'LIBGAMMA_DEVICE_REQUIRE_GROUP: 10'", LIBGAMMA_DEVICE_REQUIRE_GROUP);
- printf("\n");
-
- /* That all libgamma error codes
- are unique. This is done by
- getting the name associated
- with an error code and the getting
- the error code associated that
- name and test that the same
- error code is returned as put in,
- for each libgamma error code. */
- printf("Testing error code uniqueness: ");
- for (i = -1; i >= LIBGAMMA_ERROR_MIN; i--) {
- if (libgamma_value_of_error(libgamma_name_of_error(i)) != i) {
- printf("failed\n");
- goto not_unique;
- }
- }
- printf("passed\n");
-not_unique:
- printf("\n");
-}
diff --git a/src/test/errors.h b/src/test/errors.h
deleted file mode 100644
index 1000a7d..0000000
--- a/src/test/errors.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#ifndef LIBGAMMA_TEST_ERRROS_H
-#define LIBGAMMA_TEST_ERRROS_H
-
-
-#include <libgamma.h>
-
-#include <stdio.h>
-#include <errno.h>
-
-
-/**
- * The error API
- */
-void error_test(void);
-
-
-#endif
diff --git a/src/test/methods.c b/src/test/methods.c
deleted file mode 100644
index 5cd8bd6..0000000
--- a/src/test/methods.c
+++ /dev/null
@@ -1,168 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#include "methods.h"
-
-
-/**
- * Get the name representation of an
- * adjustment method by its identifier
- *
- * @param method The identifier of the adjustment method
- * @return The name of the adjustment method, should not be `free`:d
- */
-const char *
-method_name(int method)
-{
- switch (method) {
- case LIBGAMMA_METHOD_DUMMY: return "dummy";
- case LIBGAMMA_METHOD_X_RANDR: return "RandR X extension";
- case LIBGAMMA_METHOD_X_VIDMODE: return "VidMode X extension";
- case LIBGAMMA_METHOD_LINUX_DRM: return "Linux DRM";
- case LIBGAMMA_METHOD_W32_GDI: return "Windows GDI";
- case LIBGAMMA_METHOD_QUARTZ_CORE_GRAPHICS: return "Quartz using CoreGraphics";
- default:
- return "(unknown)";
- }
-}
-
-
-/**
- * Print a list of adjustment methods
- *
- * @param description Precursory text for the list
- * @param methods An array allocated to fit all adjustment methods
- * @param operation See the `operation` parameter for `libgamma_list_methods`
- */
-void
-list_methods(const char *description, int *methods, int operation)
-{
- /* Get adjustment method list */
- size_t i, n = libgamma_list_methods(methods, LIBGAMMA_METHOD_COUNT, operation);
-
- /* Print adjustment method list */
- printf("%s:\n", description);
- for (i = 0; i < n; i++)
- printf(" %s\n", method_name(methods[i]));
- printf("\n");
-}
-
-
-/**
- * Print all lists, of adjustments methods, that
- * are made available by `libgamma_list_methods`
- */
-void
-list_methods_lists(void)
-{
- /* Allocate a list for adjustment methods that is large
- enough if the program is up to date with the library */
- int *methods = malloc(LIBGAMMA_METHOD_COUNT * sizeof(int));
- /* Get a list of all adjustment methods */
- size_t n = libgamma_list_methods(methods, LIBGAMMA_METHOD_COUNT, 4);
-
- /* If we got more adjustment methods than we expected
- the program needs to be recompiled, and we need to
- reallocate the list so it is large enough. */
- if (n > LIBGAMMA_METHOD_COUNT) {
- printf("Warning: you should to recompile the program, libgamma has been updated.\n");
- methods = realloc(methods, n * sizeof(int));
- }
-
- /* Print adjustment method lists. */
- list_methods("Available adjustment methods", methods, 4);
- list_methods("Available real adjustment methods", methods, 3);
- list_methods("Available real non-fake adjustment methods", methods, 2);
- list_methods("Recommended adjustment methods", methods, 1);
- list_methods("Recommended non-fake adjustment methods", methods, 0);
-
- free(methods);
-}
-
-
-/**
- * Test the availability (determined at
- * compile-time) of all adjustment
- * methods and one that does not exist
- */
-void
-method_availability(void)
-{
- int method;
- /* The availability of an adjustmen method whose identifier
- is invalid. It should say it is not available. */
- printf("Testing the availability of a non-existing adjustment method: ");
- printf("%s\n", libgamma_is_method_available(-1) ? "available" : "not available");
-
- /* Test the availability of the adjustment methods that does exist */
- for (method = 0; method < LIBGAMMA_METHOD_COUNT; method++) {
- printf("Testing the availability of %s: ", method_name(method));
- printf("%s\n", libgamma_is_method_available(method) ? "available" : "not available");
- }
- printf("\n");
-}
-
-
-/**
- * List the default site and the environment
- * variable, if any, that determines the
- * default site, for all availiable adjustment
- * methods
- */
-void
-list_default_sites(void)
-{
- int method;
- for (method = 0; method < LIBGAMMA_METHOD_COUNT; method++) {
- /* Include only available adjustment methods.
- If an adjustment method is not available
- it should print "(null)", but as that can
- be misguiding we exclude those methods. */
- if (libgamma_is_method_available(method)) {
- printf("Default site for %s:\n", method_name(method));
- printf(" Variable: %s\n", libgamma_method_default_site_variable(method));
- printf(" Site name: %s\n", libgamma_method_default_site(method));
- printf("\n");
- }
- }
-}
-
-
-/**
- * Print the capabilities of all availiable
- * adjustment methods.
- */
-void
-method_capabilities(void)
-{
- libgamma_method_capabilities_t caps;
- int method;
- for (method = 0; method < LIBGAMMA_METHOD_COUNT; method++) {
- if (libgamma_is_method_available(method)) {
- /* Print adjustment method name and get the
- adjustment method's capabilities. */
- printf("Capabilities of %s:\n", method_name(method));
- libgamma_method_capabilities(&caps, method);
-
- /* Print capabilities. The CRTC information
- capabilities is printed hexadecimal. See
- the `LIBGAMMA_CRTC_INFO_*` definitions in
- `src/lib/libgamma-method.h` for what each
- bit represents. */
- printf(" %s: %X\n", "CRTC information", caps.crtc_information);
- printf(" %s: %s\n", "Default site known", caps.default_site_known ? "yes" : "no");
- printf(" %s: %s\n", "Multiple sites", caps.multiple_sites ? "yes" : "no");
- printf(" %s: %s\n", "Multiple partitions", caps.multiple_partitions ? "yes" : "no");
- printf(" %s: %s\n", "Multiple crtcs", caps.multiple_crtcs ? "yes" : "no");
- printf(" %s: %s\n", "Graphics cards", caps.partitions_are_graphics_cards ? "yes" : "no");
- printf(" %s: %s\n", "Site restore", caps.site_restore ? "yes" : "no");
- printf(" %s: %s\n", "Partition restore", caps.partition_restore ? "yes" : "no");
- printf(" %s: %s\n", "CRTC restore", caps.crtc_restore ? "yes" : "no");
- printf(" %s: %s\n", "Identical gamma sizes", caps.identical_gamma_sizes ? "yes" : "no");
- printf(" %s: %s\n", "Fixed gamma size", caps.fixed_gamma_size ? "yes" : "no");
- printf(" %s: %s\n", "Fixed gamma depth", caps.fixed_gamma_depth ? "yes" : "no");
- printf(" %s: %s\n", "Real method", caps.real ? "yes" : "no");
- printf(" %s: %s\n", "Fake method", caps.fake ? "yes" : "no");
- printf(" %s: %s\n", "Auto restore", caps.auto_restore ? "yes" : "no");
- printf("\n");
- }
- }
-}
diff --git a/src/test/methods.h b/src/test/methods.h
deleted file mode 100644
index e7f53ab..0000000
--- a/src/test/methods.h
+++ /dev/null
@@ -1,63 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#ifndef LIBGAMMA_TEST_METHODS_H
-#define LIBGAMMA_TEST_METHODS_H
-
-
-#include <libgamma.h>
-
-#include <stdio.h>
-#include <stdlib.h>
-
-
-#ifndef __GCC__
-# define __attribute__(x)
-#endif
-
-
-/**
- * Get the name representation of an
- * adjustment method by its identifier
- *
- * @param method The identifier of the adjustment method
- * @return The name of the adjustment method, should not be `free`:d
- */
-const char *method_name(int method) __attribute__((const));
-
-/**
- * Print a list of adjustment methods
- *
- * @param description Precursory text for the list
- * @param methods An array allocated to fit all adjustment methods
- * @param operation See the `operation` parameter for `libgamma_list_methods`
- */
-void list_methods(const char *description, int *methods, int operation);
-
-/**
- * Print all lists, of adjustments methods, that
- * are made available by `libgamma_list_methods`
- */
-void list_methods_lists(void);
-
-/**
- * Test the availability (determined
- * at compile-time) of all adjustment
- * methods and one that does not exist
- */
-void method_availability(void);
-
-/**
- * List the default site and the environment
- * variable, if any, that determines the
- * default site, for all availiable adjustment
- * methods
- */
-void list_default_sites(void);
-
-/**
- * Print the capabilities of all availiable
- * adjustment methods
- */
-void method_capabilities(void);
-
-
-#endif
diff --git a/src/test/ramps.c b/src/test/ramps.c
deleted file mode 100644
index 5303195..0000000
--- a/src/test/ramps.c
+++ /dev/null
@@ -1,104 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#include "ramps.h"
-
-
-/**
- * Test 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
- */
-uint8_t
-invert_ramps8(float encoding)
-{
- double i_encoding = (double)(1.f - encoding);
- double f_output = (double)UINT8_MAX * i_encoding;
- uint8_t output = (uint8_t)f_output;
- if (i_encoding < (double)0.25f && output > UINT8_MAX / 2)
- output = 0;
- if (i_encoding > (double)0.75f && output < UINT8_MAX / 2)
- output = UINT8_MAX;
- return output;
-}
-
-/**
- * Test 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
- */
-uint16_t
-invert_ramps16(float encoding)
-{
- double i_encoding = (double)(1.f - encoding);
- double f_output = (double)UINT16_MAX * i_encoding;
- uint16_t output = (uint16_t)f_output;
- if (i_encoding < (double)0.25f && output > UINT16_MAX / 2)
- output = 0;
- if (i_encoding > (double)0.75f && output < UINT16_MAX / 2)
- output = UINT16_MAX;
- return output;
-}
-
-/**
- * Test 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
- */
-uint32_t
-invert_ramps32(float encoding)
-{
- double i_encoding = (double)(1.f - encoding);
- double f_output = (double)UINT32_MAX * i_encoding;
- uint32_t output = (uint32_t)f_output;
- if (i_encoding < (double)0.25f && output > UINT32_MAX / 2)
- output = 0;
- if (i_encoding > (double)0.75f && output < UINT32_MAX / 2)
- output = UINT32_MAX;
- return output;
-}
-
-/**
- * Test 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
- */
-uint64_t
-invert_ramps64(float encoding)
-{
- double i_encoding = (double)(1.f - encoding);
- double f_output = (double)UINT64_MAX * i_encoding;
- uint64_t output = (uint64_t)f_output;
- if (i_encoding < (double)0.25f && output > UINT64_MAX / 2)
- output = 0;
- if (i_encoding > (double)0.75f && output < UINT64_MAX / 2)
- output = UINT64_MAX;
- return output;
-}
-
-/**
- * Test 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
- */
-float
-invert_rampsf(float encoding)
-{
- return 1.f - encoding;
-}
-
-/**
- * Test 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
- */
-double
-invert_rampsd(double encoding)
-{
- return (double)1.f - encoding;
-}
diff --git a/src/test/ramps.h b/src/test/ramps.h
deleted file mode 100644
index 13c31b1..0000000
--- a/src/test/ramps.h
+++ /dev/null
@@ -1,85 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#ifndef LIBGAMMA_TEST_RAMPS_H
-#define LIBGAMMA_TEST_RAMPS_H
-
-
-#include <stdint.h>
-
-
-#ifndef __GCC__
-# define __attribute__(x)
-#endif
-
-
-/**
- * X macros of all integer gamma ramps
- */
-#define LIST_INTEGER_RAMPS X(ramps8) X(ramps32) X(ramps64) X(ramps16)
-
-/**
- * X macros of all floating-point gamma ramps
- */
-#define LIST_FLOAT_RAMPS X(rampsf) X(rampsd)
-
-/**
- * X macros of all gamma ramps
- */
-#define LIST_RAMPS LIST_FLOAT_RAMPS LIST_INTEGER_RAMPS
-
-
-/* ramps16 is last because we want to make sure that the gamma ramps are
- preserved exactly on exit, and we assume RandR X is used. */
-
-
-
-/**
- * Test 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
- */
-uint8_t invert_ramps8(float encoding) __attribute__((const));
-
-/**
- * Test 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
- */
-uint16_t invert_ramps16(float encoding) __attribute__((const));
-
-/**
- * Test 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
- */
-uint32_t invert_ramps32(float encoding) __attribute__((const));
-
-/**
- * Test 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
- */
-uint64_t invert_ramps64(float encoding) __attribute__((const));
-
-/**
- * Test 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
- */
-float invert_rampsf(float encoding) __attribute__((const));
-
-/**
- * Test 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
- */
-double invert_rampsd(double encoding) __attribute__((const));
-
-
-#endif
diff --git a/src/test/test.c b/src/test/test.c
deleted file mode 100644
index 8cf0579..0000000
--- a/src/test/test.c
+++ /dev/null
@@ -1,157 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#include "test.h"
-
-
-/**
- * Test `libgamma`
- *
- * @return Non-zero on machine detectable error, this library
- * may still be faulty if zero is returned
- */
-int
-main(void)
-{
- libgamma_site_state_t *restrict site_state = malloc(sizeof(libgamma_site_state_t));
- libgamma_partition_state_t *restrict part_state = malloc(sizeof(libgamma_partition_state_t));
- libgamma_crtc_state_t *restrict crtc_state = malloc(sizeof(libgamma_crtc_state_t));
- libgamma_crtc_information_t info;
-#define X(R)\
- libgamma_gamma_##R##_t old_##R, R;\
- libgamma_gamma_##R##_fun* f_##R = invert_##R;
- LIST_RAMPS
-#undef X
- size_t i, n;
- int r, rr = 0;
-
- /* Test miscellaneous parts of the library */
- list_methods_lists();
- method_availability();
- list_default_sites();
- method_capabilities();
- error_test();
-
- /* Select monitor for tests over CRTC:s, partitions and sites */
- if (select_monitor(site_state, part_state, crtc_state))
- return 1;
-
- /* Test CRTC information functions. */
- crtc_information(crtc_state);
-
- /* Get the sizes of the gamma ramps for the selected CRTC */
- libgamma_get_crtc_information(&info, crtc_state, LIBGAMMA_CRTC_INFO_GAMMA_SIZE);
-
- /* Create gamma ramps for each depth */
-#define X(R)\
- old_##R.red_size = info.red_gamma_size;\
- old_##R.green_size = info.green_gamma_size;\
- old_##R.blue_size = info.blue_gamma_size;\
- R = old_##R;\
- libgamma_gamma_##R##_initialise(&old_##R);\
- libgamma_gamma_##R##_initialise(&R);
- LIST_RAMPS
-#undef X
-
- /* Fill gamma ramps, for each depth, with the CRTC:s current ramps */
-#define X(R)\
- if ((rr |= r = libgamma_crtc_get_gamma_##R(crtc_state, &old_##R))) {\
- libgamma_perror("libgamma_crtc_get_gamma_" #R, r);\
- goto done;\
- }\
- if ((rr |= r = libgamma_crtc_get_gamma_##R(crtc_state, &R))) {\
- libgamma_perror("libgamma_crtc_get_gamma_" #R, r);\
- goto done;\
- }
- LIST_RAMPS
-#undef X
-
- /* Test function assisted gamma ramps setting */
-#define X(R)\
- /* Dim the monitor for one second and the restore it. */\
- printf("Inverting monitor output for 1 second... (" #R ")\n");\
- if ((rr |= r = libgamma_crtc_set_gamma_##R##_f(crtc_state, f_##R, f_##R, f_##R)))\
- libgamma_perror("libgamma_crtc_set_gamma_" #R "_f", r);\
- sleep(1);\
- if ((rr |= r = libgamma_crtc_set_gamma_##R(crtc_state, old_##R)))\
- libgamma_perror("libgamma_crtc_set_gamma_" #R, r);\
- printf("Done!\n");\
- /* Sleep for one second, we have more depths to test */\
- printf("Sleeping for 1 second...\n");\
- sleep(1);
- LIST_RAMPS
-#undef X
-
- /* Test getting and setting gamma ramps */
-#define X(R)\
- /* Get the grand size of the gamma ramps */\
- n = R.red_size;\
- n = n > R.green_size ? n : R.green_size;\
- n = n > R.blue_size ? n : R.blue_size;\
- /* Print the current gamma ramps */\
- printf("Current gamma ramps (" #R "):\n");\
- for (i = 0; i < n; i++) {\
- if (i < R.red_size) Y(R.red, "1"); else printf(" ");\
- if (i < R.green_size) Y(R.green, "2"); else printf(" ");\
- if (i < R.blue_size) Y(R.blue, "4"); else printf(" ");\
- printf("\n");\
- }\
- printf("\n");\
- /* Adjust the gamma ramps for dimming the monitor */\
- for (i = 0; i < R.red_size + R.green_size + R.blue_size; i++)\
- R.red[i] /= 2;\
- /* Dim the monitor for one second and the restore it */\
- printf("Dimming monitor for 1 second...\n");\
- if ((rr |= r = libgamma_crtc_set_gamma_##R(crtc_state, R)))\
- libgamma_perror("libgamma_crtc_set_gamma_" #R, r);\
- sleep(1);\
- if ((rr |= r = libgamma_crtc_set_gamma_##R(crtc_state, old_##R)))\
- libgamma_perror("libgamma_crtc_set_gamma_" #R, r);\
- printf("Done!\n");\
- /* Sleep for one second, we have more depths to test */\
- printf("Sleeping for 1 second...\n");\
- sleep(1);
-#define Y(R, C) printf(" \033[3" C "m%1.8lf\033[00m", (double)(R[i]))
- LIST_FLOAT_RAMPS
-#undef Y
-#define Y(R, C) printf(" \033[3" C "m%16llX\033[00m", (uint64_t)(R[i]))
- LIST_INTEGER_RAMPS
-#undef Y
-#undef X
-
- /* Test order of gamma ramps */
- memcpy(ramps16.red, old_ramps16.red, ramps16.red_size * sizeof(uint16_t));
- memset(ramps16.green, 0, ramps16.green_size * sizeof(uint16_t));
- memset(ramps16.blue, 0, ramps16.blue_size * sizeof(uint16_t));
- printf("Making the monitor red-only for 1 second...\n");
- if ((rr |= r = libgamma_crtc_set_gamma_ramps16(crtc_state, ramps16)))
- libgamma_perror("libgamma_crtc_set_gamma_ramps16", r);
- sleep(1);
- memset(ramps16.red, 0, ramps16.red_size * sizeof(uint16_t));
- memcpy(ramps16.green, old_ramps16.green, ramps16.green_size * sizeof(uint16_t));
- printf("Making the monitor green-only for 1 second...\n");
- if ((rr |= r = libgamma_crtc_set_gamma_ramps16(crtc_state, ramps16)))
- libgamma_perror("libgamma_crtc_set_gamma_ramps16", r);
- sleep(1);
- memset(ramps16.green, 0, ramps16.green_size * sizeof(uint16_t));
- memcpy(ramps16.blue, old_ramps16.blue, ramps16.blue_size * sizeof(uint16_t));
- printf("Making the monitor green-only for 1 second...\n");
- if ((rr |= r = libgamma_crtc_set_gamma_ramps16(crtc_state, ramps16)))
- libgamma_perror("libgamma_crtc_set_gamma_ramps16", r);
- sleep(1);
- if ((rr |= r = libgamma_crtc_set_gamma_ramps64(crtc_state, old_ramps64)))
- libgamma_perror("libgamma_crtc_set_gamma_ramps64", r);
- printf("Done!\n");
-
- /* TODO Test gamma ramp restore functions */
-
-done:
- /* Release resouces */
-#define X(R)\
- libgamma_gamma_##R##_destroy(&R);\
- libgamma_gamma_##R##_destroy(&old_##R);
- LIST_RAMPS
-#undef X
- libgamma_crtc_free(crtc_state);
- libgamma_partition_free(part_state);
- libgamma_site_free(site_state);
- return rr;
-}
diff --git a/src/test/test.h b/src/test/test.h
deleted file mode 100644
index f8fa9f5..0000000
--- a/src/test/test.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#ifndef LIBGAMMA_TEST_TEST_H
-#define LIBGAMMA_TEST_TEST_H
-
-#include "update-warnings.h"
-#include "methods.h"
-#include "errors.h"
-#include "crtcinfo.h"
-#include "user.h"
-#include "ramps.h"
-
-#include <libgamma.h>
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdint.h>
-#include <string.h>
-
-#endif
diff --git a/src/test/update-warnings.h b/src/test/update-warnings.h
deleted file mode 100644
index 4a1b027..0000000
--- a/src/test/update-warnings.h
+++ /dev/null
@@ -1,52 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#ifndef LIBGAMMA_TEST_UPDATE_WARNINGS_H
-#define LIBGAMMA_TEST_UPDATE_WARNINGS_H
-
-#include <libgamma.h>
-
-
-/*
- * This file testes whether the program is out of date
- * when it is compiled. This is done by checking for newer
- * values of constants that tells us how much there is of
- * different things for which we may want to create
- * descriptions or otherwise handle especially.
- *
- * To get the current value of for example `LIBGAMMA_ERROR_MIN`
- * simply run the command
- *
- * cpp <<EOF | tail -n 1
- * #include <libgamma.h>
- * LIBGAMMA_ERROR_MIN
- * EOF
- *
- * However, we only do this for if GCC is used to
- * compile the program because the #warning CPP
- * directive is a GCC extension. If you are not
- * using GNU you may want to find another way to
- * accomplish this.
- */
-
-#ifdef __GCC__
-# pragma GCC diagnostic push
-# pragma GCC diagnostic ignored "-Wcpp"
-# if LIBGAMMA_ERROR_MIN < -46
-# warning New error codes have been added to libgamma
-# endif
-# if LIBGAMMA_METHOD_COUNT > 6
-# warning New adjust methods has been added to libgamma
-# endif
-# if LIBGAMMA_CONNECTOR_TYPE_COUNT > 20
-# warning New connector types have been added to libgamma
-# endif
-# if LIBGAMMA_SUBPIXEL_ORDER_COUNT > 6
-# warning New subpixel orders have been added to libgamma
-# endif
-# if LIBGAMMA_CRTC_INFO_COUNT > 13
-# warning New CRTC information fields have been added to libgamma
-# endif
-# pragma GCC diagnostic pop
-#endif
-
-
-#endif
diff --git a/src/test/user.c b/src/test/user.c
deleted file mode 100644
index 7a1fd78..0000000
--- a/src/test/user.c
+++ /dev/null
@@ -1,143 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#include "user.h"
-
-
-#ifdef __GCC__
-# include <string.h>
-#else
-/* Hack to circumvent that the funcions are defined multiples */
-# define strlen strlen_
-# define memcpy memcpy_
-# define strchr strchr_
-static size_t
-strlen_(const char *str) {
- size_t n = 0;
- while (str[n])
- n++;
- return n;
-}
-static void *
-memcpy_(void *restrict dest, const void *restrict src, size_t n)
-{
- char *restrict d = dest;
- const char *restrict s = src;
- size_t i;
- for (i = 0; i < n; i++)
- d[i] = s[i];
- return dest;
-}
-static char *strchr_(const char *s, int c)
-{
- char find = (char)c;
- for (; *s; s++)
- if (*s == find)
- return s;
- return NULL;
-}
-#endif
-
-
-/**
- * Let the user select adjustment method, site, partition and CRTC
- *
- * @param site_state Output slot for the site
- * @param part_state Output slot for the partition
- * @param crtc_state Output slot for the CRTC
- * @return Zero on and only on success
- */
-int
-select_monitor(libgamma_site_state_t *restrict site_state,
- libgamma_partition_state_t *restrict part_state,
- libgamma_crtc_state_t *restrict crtc_state)
-{
- int method;
- char *site;
- char *tmp;
- char buf[256];
- int r;
-
-
- /* -- Adjustment method -- */
-
- /* Let the user select adjustment method */
- printf("Select adjustment method:\n");
- for (method = 0; method < LIBGAMMA_METHOD_COUNT; method++)
- printf(" %i: %s\n", method, method_name(method));
- printf("> ");
- fflush(stdout);
- fgets(buf, sizeof(buf) / sizeof(char), stdin);
- method = atoi(buf);
-
-
- /* -- Site -- */
-
- /* Let the user select site */
- printf("Select site: ");
- fflush(stdout);
- fgets(buf, sizeof(buf) / sizeof(char), stdin);
- tmp = strchr(buf, '\n');
- if (tmp)
- *tmp = '\0';
- if (!buf[0]) {
- site = NULL;
- } else {
- site = malloc((strlen(buf) + 1) * sizeof(char));
- memcpy(site, buf, strlen(buf) + 1);
- }
-
- /* Initialise site state */
- if ((r = libgamma_site_initialise(site_state, method, site))) {
- free(site);
- libgamma_perror("error", r);
- return 1;
- }
-
-
- /* -- Partition -- */
-
- /* Check that the site has at least one partition */
- if (!site_state->partitions_available) {
- libgamma_site_free(site_state);
- printf("No partitions found\n");
- return 1;
- }
-
- /* Let the user select partition */
- printf("Select partition [0, %lu]: ", site_state->partitions_available - 1);
- fflush(stdout);
- fgets(buf, sizeof(buf) / sizeof(char), stdin);
-
- /* Initialise partition state */
- if ((r = libgamma_partition_initialise(part_state, site_state, (size_t)atoll(buf)))) {
- libgamma_site_free(site_state);
- libgamma_perror("error", r);
- return 1;
- }
-
-
- /* -- CRTC -- */
-
- /* Check that the partition has at least one CRTC */
- if (!part_state->crtcs_available) {
- libgamma_partition_free(part_state);
- libgamma_site_free(site_state);
- printf("No CRTC:s found\n");
- return 1;
- }
-
- /* Let the user select CRTC */
- printf("Select CRTC [0, %lu]: ", part_state->crtcs_available - 1);
- fflush(stdout);
- fgets(buf, sizeof(buf) / sizeof(char), stdin);
-
- /* Initialise CRTC state. */
- if ((r = libgamma_crtc_initialise(crtc_state, part_state, (size_t)atoll(buf)))) {
- libgamma_partition_free(part_state);
- libgamma_site_free(site_state);
- libgamma_perror("error", r);
- return 1;
- }
-
- printf("\n");
- return 0;
-}
diff --git a/src/test/user.h b/src/test/user.h
deleted file mode 100644
index 5a0c868..0000000
--- a/src/test/user.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#ifndef LIBGAMMA_TEST_USER_H
-#define LIBGAMMA_TEST_USER_H
-
-
-#include "methods.h"
-
-#include <libgamma.h>
-
-#include <stdio.h>
-#include <stdlib.h>
-
-
-
-/**
- * Let the user select adjustment method, site, partition and CRTC
- *
- * @param site_state Output slot for the site
- * @param part_state Output slot for the partition
- * @param crtc_state Output slot for the CRTC
- * @return Zero on and only on success
- */
-int select_monitor(libgamma_site_state_t *restrict site_state,
- libgamma_partition_state_t *restrict part_state,
- libgamma_crtc_state_t *restrict crtc_state);
-
-
-#endif
diff --git a/test.c b/test.c
new file mode 100644
index 0000000..9dfa598
--- /dev/null
+++ b/test.c
@@ -0,0 +1,823 @@
+/* See LICENSE file for copyright and license details. */
+#include "libgamma.h"
+
+#include <errno.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+
+#if LIBGAMMA_CRTC_INFO_COUNT != 13
+# warning CRTC information fields have been updated
+#endif
+
+
+
+/**
+ * X macro of all integer gamma ramps
+ *
+ * @param _:macro(identifer) Macro to expand
+ */
+#define LIST_INTEGER_RAMPS(_) _(ramps8) _(ramps32) _(ramps64) _(ramps16)
+
+/**
+ * X macro of all floating-point gamma ramps
+ *
+ * @param _:macro(identifer) Macro to expand
+ */
+#define LIST_FLOAT_RAMPS(_) _(rampsf) _(rampsd)
+
+/**
+ * X macro of all gamma ramps
+ *
+ * @param _:macro(identifer) Macro to expand
+ */
+#define LIST_RAMPS(_) LIST_FLOAT_RAMPS(_) LIST_INTEGER_RAMPS(_)
+
+/* ramps16 is last because we want to make sure that the gamma ramps are
+ preserved exactly on exit, and we assume X RandR is used. */
+
+
+
+/**
+ * Test 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
+ */
+LIBGAMMA_GCC_ONLY__(__attribute__((__const__)))
+static uint8_t
+dim_ramps8(float encoding)
+{
+ double i_encoding = (double)(encoding / 2.f);
+ double f_output = (double)UINT8_MAX * i_encoding;
+ uint8_t output = (uint8_t)f_output;
+ if (i_encoding < (double)0.25f && output > UINT8_MAX / 2)
+ output = 0;
+ if (i_encoding > (double)0.75f && output < UINT8_MAX / 2)
+ output = UINT8_MAX;
+ return output;
+}
+
+/**
+ * Test 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
+ */
+LIBGAMMA_GCC_ONLY__(__attribute__((__const__)))
+static uint16_t
+dim_ramps16(float encoding)
+{
+ double i_encoding = (double)(encoding / 2.f);
+ double f_output = (double)UINT16_MAX * i_encoding;
+ uint16_t output = (uint16_t)f_output;
+ if (i_encoding < (double)0.25f && output > UINT16_MAX / 2)
+ output = 0;
+ if (i_encoding > (double)0.75f && output < UINT16_MAX / 2)
+ output = UINT16_MAX;
+ return output;
+}
+
+/**
+ * Test 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
+ */
+LIBGAMMA_GCC_ONLY__(__attribute__((__const__)))
+static uint32_t
+dim_ramps32(float encoding)
+{
+ double i_encoding = (double)(encoding / 2.f);
+ double f_output = (double)UINT32_MAX * i_encoding;
+ uint32_t output = (uint32_t)f_output;
+ if (i_encoding < (double)0.25f && output > UINT32_MAX / 2)
+ output = 0;
+ if (i_encoding > (double)0.75f && output < UINT32_MAX / 2)
+ output = UINT32_MAX;
+ return output;
+}
+
+/**
+ * Test 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
+ */
+LIBGAMMA_GCC_ONLY__(__attribute__((__const__)))
+static uint64_t
+dim_ramps64(float encoding)
+{
+ double i_encoding = (double)(encoding / 2.f);
+ double f_output = (double)UINT64_MAX * i_encoding;
+ uint64_t output = (uint64_t)f_output;
+ if (i_encoding < (double)0.25f && output > UINT64_MAX / 2)
+ output = 0;
+ if (i_encoding > (double)0.75f && output < UINT64_MAX / 2)
+ output = UINT64_MAX;
+ return output;
+}
+
+/**
+ * Test 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
+ */
+LIBGAMMA_GCC_ONLY__(__attribute__((__const__)))
+static float
+dim_rampsf(float encoding)
+{
+ return encoding / 2.f;
+}
+
+/**
+ * Test 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
+ */
+LIBGAMMA_GCC_ONLY__(__attribute__((__const__)))
+static double
+dim_rampsd(double encoding)
+{
+ return encoding / (double)2.f;
+}
+
+
+/**
+ * Get the name representation of an
+ * adjustment method by its identifier
+ *
+ * @param method The identifier of the adjustment method
+ * @return The name of the adjustment
+ */
+LIBGAMMA_GCC_ONLY__(__attribute__((__const__)))
+static const char *
+method_name(int method)
+{
+ const char *r = libgamma_name_of_method(method);
+ return r ? r : "(unknown)";
+}
+
+
+/**
+ * Print a list of adjustment methods
+ *
+ * @param description Precursory text for the list
+ * @param methods An array allocated to fit all adjustment methods
+ * @param operation See the `operation` parameter for `libgamma_list_methods`
+ */
+static void
+list_methods(const char *description, int *methods, int operation)
+{
+ /* Get adjustment method list */
+ size_t i, n = libgamma_list_methods(methods, LIBGAMMA_METHOD_COUNT, operation);
+
+ /* Print adjustment method list */
+ printf("%s:\n", description);
+ for (i = 0; i < n; i++)
+ printf(" %s\n", method_name(methods[i]));
+ printf("\n");
+}
+
+
+/**
+ * Print all lists, of adjustments methods, that
+ * are made available by `libgamma_list_methods`
+ */
+static void
+list_methods_lists(void)
+{
+ /* Allocate a list for adjustment methods that is large
+ * enough if the program is up to date with the library */
+ int methods[LIBGAMMA_METHOD_COUNT];
+ /* Get a list of all adjustment methods */
+ size_t n = libgamma_list_methods(methods, LIBGAMMA_METHOD_COUNT, 4);
+
+ /* Print adjustment method lists. */
+ list_methods("Available adjustment methods", methods, 4);
+ list_methods("Available real adjustment methods", methods, 3);
+ list_methods("Available real non-fake adjustment methods", methods, 2);
+ list_methods("Recommended adjustment methods", methods, 1);
+ list_methods("Recommended non-fake adjustment methods", methods, 0);
+}
+
+
+/**
+ * Test the availability (determined at
+ * compile-time) of all adjustment
+ * methods and one that does not exist
+ */
+static void
+method_availability(void)
+{
+ int method;
+ /* The availability of an adjustmen method whose identifier
+ * is invalid. It should say it is not available. */
+ printf("Testing the availability of a non-existing adjustment method: ");
+ printf("%s\n", libgamma_is_method_available(-1) ? "available" : "not available");
+
+ /* Test the availability of the adjustment methods that does exist */
+ for (method = 0; method < LIBGAMMA_METHOD_COUNT; method++) {
+ printf("Testing the availability of %s: ", method_name(method));
+ printf("%s\n", libgamma_is_method_available(method) ? "available" : "not available");
+ }
+ printf("\n");
+}
+
+
+/**
+ * List the default site and the environment
+ * variable, if any, that determines the
+ * default site, for all availiable adjustment
+ * methods
+ */
+static void
+list_default_sites(void)
+{
+ int method;
+ for (method = 0; method < LIBGAMMA_METHOD_COUNT; method++) {
+ /* Include only available adjustment methods.
+ * If an adjustment method is not available
+ * it should print "(null)", but as that can
+ * be misguiding we exclude those methods. */
+ if (libgamma_is_method_available(method)) {
+ printf("Default site for %s:\n", method_name(method));
+ printf(" Variable: %s\n", libgamma_method_default_site_variable(method));
+ printf(" Site name: %s\n", libgamma_method_default_site(method));
+ printf("\n");
+ }
+ }
+}
+
+
+/**
+ * Print the capabilities of all availiable
+ * adjustment methods.
+ */
+static void
+method_capabilities(void)
+{
+ libgamma_method_capabilities_t caps;
+ int method;
+ for (method = 0; method < LIBGAMMA_METHOD_COUNT; method++) {
+ if (libgamma_is_method_available(method)) {
+ /* Print adjustment method name and get the
+ * adjustment method's capabilities. */
+ printf("Capabilities of %s:\n", method_name(method));
+ libgamma_method_capabilities(&caps, method);
+
+ /* Print capabilities. The CRTC information
+ * capabilities is printed hexadecimal. See
+ * the `LIBGAMMA_CRTC_INFO_*` definitions in
+ * `libgamma.h` for what each bit represents. */
+ printf(" %s: %X\n", "CRTC information", caps.crtc_information);
+ printf(" %s: %s\n", "Default site known", caps.default_site_known ? "yes" : "no");
+ printf(" %s: %s\n", "Multiple sites", caps.multiple_sites ? "yes" : "no");
+ printf(" %s: %s\n", "Multiple partitions", caps.multiple_partitions ? "yes" : "no");
+ printf(" %s: %s\n", "Multiple crtcs", caps.multiple_crtcs ? "yes" : "no");
+ printf(" %s: %s\n", "Graphics cards", caps.partitions_are_graphics_cards ? "yes" : "no");
+ printf(" %s: %s\n", "Site restore", caps.site_restore ? "yes" : "no");
+ printf(" %s: %s\n", "Partition restore", caps.partition_restore ? "yes" : "no");
+ printf(" %s: %s\n", "CRTC restore", caps.crtc_restore ? "yes" : "no");
+ printf(" %s: %s\n", "Identical gamma sizes", caps.identical_gamma_sizes ? "yes" : "no");
+ printf(" %s: %s\n", "Fixed gamma size", caps.fixed_gamma_size ? "yes" : "no");
+ printf(" %s: %s\n", "Fixed gamma depth", caps.fixed_gamma_depth ? "yes" : "no");
+ printf(" %s: %s\n", "Real method", caps.real ? "yes" : "no");
+ printf(" %s: %s\n", "Fake method", caps.fake ? "yes" : "no");
+ printf(" %s: %s\n", "Auto restore", caps.auto_restore ? "yes" : "no");
+ printf("\n");
+ }
+ }
+}
+
+
+
+/**
+ * Let the user select adjustment method, site, partition and CRTC
+ *
+ * @param site_state Output slot for the site
+ * @param part_state Output slot for the partition
+ * @param crtc_state Output slot for the CRTC
+ * @return Zero on and only on success
+ */
+static int
+select_monitor(libgamma_site_state_t *site_state, libgamma_partition_state_t *part_state, libgamma_crtc_state_t *crtc_state)
+{
+ int method;
+ char *site;
+ char *tmp;
+ char buf[256];
+ int r;
+
+
+ /* -- Adjustment method -- */
+
+ /* Let the user select adjustment method */
+ printf("Select adjustment method:\n");
+ for (method = 0; method < LIBGAMMA_METHOD_COUNT; method++)
+ printf(" %i: %s\n", method, method_name(method));
+ printf("> ");
+ fflush(stdout);
+ fgets(buf, sizeof(buf) / sizeof(char), stdin);
+ method = atoi(buf);
+
+
+ /* -- Site -- */
+
+ /* Let the user select site */
+ printf("Select site: ");
+ fflush(stdout);
+ fgets(buf, sizeof(buf) / sizeof(char), stdin);
+ tmp = strchr(buf, '\n');
+ if (tmp)
+ *tmp = '\0';
+ if (!buf[0]) {
+ site = NULL;
+ } else {
+ site = malloc((strlen(buf) + 1) * sizeof(char));
+ memcpy(site, buf, strlen(buf) + 1);
+ }
+
+ /* Initialise site state */
+ if ((r = libgamma_site_initialise(site_state, method, site))) {
+ free(site);
+ libgamma_perror("error", r);
+ return 1;
+ }
+
+
+ /* -- Partition -- */
+
+ /* Check that the site has at least one partition */
+ if (!site_state->partitions_available) {
+ libgamma_site_free(site_state);
+ printf("No partitions found\n");
+ return 1;
+ }
+
+ /* Let the user select partition */
+ printf("Select partition [0, %lu]: ", site_state->partitions_available - 1);
+ fflush(stdout);
+ fgets(buf, sizeof(buf) / sizeof(char), stdin);
+
+ /* Initialise partition state */
+ if ((r = libgamma_partition_initialise(part_state, site_state, (size_t)atoll(buf)))) {
+ libgamma_site_free(site_state);
+ libgamma_perror("error", r);
+ return 1;
+ }
+
+
+ /* -- CRTC -- */
+
+ /* Check that the partition has at least one CRTC */
+ if (!part_state->crtcs_available) {
+ libgamma_partition_free(part_state);
+ libgamma_site_free(site_state);
+ printf("No CRTC:s found\n");
+ return 1;
+ }
+
+ /* Let the user select CRTC */
+ printf("Select CRTC [0, %lu]: ", part_state->crtcs_available - 1);
+ fflush(stdout);
+ fgets(buf, sizeof(buf) / sizeof(char), stdin);
+
+ /* Initialise CRTC state. */
+ if ((r = libgamma_crtc_initialise(crtc_state, part_state, (size_t)atoll(buf)))) {
+ libgamma_partition_free(part_state);
+ libgamma_site_free(site_state);
+ libgamma_perror("error", r);
+ return 1;
+ }
+
+ printf("\n");
+ return 0;
+}
+
+
+
+/**
+ * Conditionally print a CRTC information field
+ *
+ * @param type:data-type Data type for the value of the information field
+ * @param notation:string-literal %-pattern for `printf` (excluding the %) that is used for `type`
+ * @param do_print Whether the information should be included in the process's output
+ * @param description A description of the information field
+ * @param error The error of the information field
+ * @param value The value of the information field
+ */
+#define print_crtc_information_(type, notation)\
+ static void\
+ print_crtc_information_##type(int do_print, const char *description, int error, type value)\
+ {\
+ char buf[256];\
+ if (do_print) {\
+ if (error) {\
+ snprintf(buf, sizeof(buf) / sizeof(char), " (error) %s", description);\
+ libgamma_perror(buf, error);\
+ } else {\
+ printf(" %s: %" notation "\n", description, value);\
+ }\
+ }\
+ }
+
+
+/**
+ * A single [a-z] word alternative to `const char *`, we need it for the
+ * function name of the string variant of `print_crtc_information_*`
+ */
+typedef const char *str;
+/* Create `print_crtc_information_*` variants */
+print_crtc_information_(size_t, "lu")
+print_crtc_information_(signed, "i")
+print_crtc_information_(int, "i")
+#ifdef __GCC__
+# pragma GCC diagnostic push
+# pragma GCC diagnostic ignored "-Wdouble-promotion"
+#endif
+print_crtc_information_(float, "f")
+#ifdef __GCC__
+# pragma GCC diagnostic pop
+#endif
+print_crtc_information_(str, "s")
+#undef print_crtc_information_
+
+
+/**
+ * Get a string representation of a subpixel order
+ *
+ * @param value The subpixel order
+ * @return String representation
+ */
+static const char *
+subpixel_order_str(libgamma_subpixel_order_t value)
+{
+ const char *r = libgamma_name_of_subpixel_order(value);
+ return r ? r : "(unknown)";
+}
+
+
+/**
+ * Get a string representation of a connector type
+ *
+ * @param value The connector type
+ * @return String representation
+ */
+static const char *
+connector_type_str(libgamma_connector_type_t value)
+{
+ const char *r = libgamma_name_of_connector_type(value);
+ return r ? r : "(unknown)";
+}
+
+
+/**
+ * Get a string representation of a decision
+ *
+ * @param value The decision
+ * @return String representation
+ */
+static const char *
+decision_str(libgamma_decision_t value)
+{
+ switch (value) {
+ case LIBGAMMA_NO: return "LIBGAMMA_NO";
+ case LIBGAMMA_MAYBE: return "LIBGAMMA_MAYBE";
+ case LIBGAMMA_YES: return "LIBGAMMA_YES";
+ default:
+ return "(unknown)";
+ }
+}
+
+
+/**
+ * The CRTC information for a CRTC
+ *
+ * @param crtc The CRTC
+ */
+static void
+crtc_information(libgamma_crtc_state_t *restrict crtc)
+{
+ libgamma_method_capabilities_t caps;
+ libgamma_crtc_information_t info;
+ int fields, field;
+ char *edid_lc, *edid_uc;
+ unsigned char *edid_raw;
+
+ /* Get supported CRTC informations fields */
+ libgamma_method_capabilities(&caps, crtc->partition->site->method);
+
+ /* List unsupport information fields by testing them one by one */
+ for (fields = caps.crtc_information; field = fields & -fields, fields; fields ^= field) {
+ if (libgamma_get_crtc_information(&info, crtc, field))
+ printf("Could not read CRTC information field %i\n", field);
+ free(info.edid);
+ free(info.connector_name);
+ }
+
+ /* Get CRTC information, that is supported */
+ fields = caps.crtc_information;
+ if (libgamma_get_crtc_information(&info, crtc, fields))
+ printf("An error occurred while reading CRTC information\n");
+
+ /* Macros for printing CRTC information */
+#define print2(TYPE, FIELD_ID, DESCRIPTION, FIELD_VAR, ERROR_VAR)\
+ print_crtc_information_##TYPE(fields & FIELD_ID, DESCRIPTION, info.ERROR_VAR, info.FIELD_VAR);
+#define print(TYPE, FIELD_ID, DESCRIPTION, FIELD_VAR)\
+ print2(TYPE, FIELD_ID, DESCRIPTION, FIELD_VAR, FIELD_VAR##_error);
+
+
+ /* Print CRTC information */
+
+ printf("CRTC information:\n");
+
+ /* Print the EDID field */
+ if ((fields & LIBGAMMA_CRTC_INFO_EDID)) {
+ if (info.edid_error) {
+ libgamma_perror(" (error) EDID", info.edid_error);
+ } else {
+ edid_lc = libgamma_behex_edid(info.edid, info.edid_length);
+ edid_raw = libgamma_unhex_edid(edid_lc);
+ edid_uc = libgamma_behex_edid_uppercase(edid_raw, info.edid_length);
+ printf(" EDID: %s\n", edid_lc);
+ printf(" EDID (uppercase): %s\n", edid_uc);
+ printf(" EDID (length): %lu\n", info.edid_length);
+ free(edid_lc);
+ free(edid_raw);
+ free(edid_uc);
+ }
+ }
+ /* Print physical dimensions of the monitor */
+ print(size_t, LIBGAMMA_CRTC_INFO_WIDTH_MM, "width", width_mm);
+ print(size_t, LIBGAMMA_CRTC_INFO_HEIGHT_MM, "height", height_mm);
+ print(size_t, LIBGAMMA_CRTC_INFO_WIDTH_MM_EDID, "width per EDID", width_mm_edid);
+ print(size_t, LIBGAMMA_CRTC_INFO_HEIGHT_MM_EDID, "height per EDID", height_mm_edid);
+ /* Print gamma ramp information */
+ print2(size_t, LIBGAMMA_CRTC_INFO_GAMMA_SIZE, "red gamma ramp size", red_gamma_size, gamma_size_error);
+ print2(size_t, LIBGAMMA_CRTC_INFO_GAMMA_SIZE, "green gamma ramp size", green_gamma_size, gamma_size_error);
+ print2(size_t, LIBGAMMA_CRTC_INFO_GAMMA_SIZE, "blue gamma ramp size", blue_gamma_size, gamma_size_error);
+ print(signed, LIBGAMMA_CRTC_INFO_GAMMA_DEPTH, "gamma ramp depth", gamma_depth);
+ /* Print gamma ramp support */
+ if (fields & LIBGAMMA_CRTC_INFO_GAMMA_SUPPORT) {
+ if (info.gamma_support_error)
+ libgamma_perror(" (error) gamma support", info.gamma_support_error);
+ else
+ printf(" gamma support: %s\n", decision_str(info.gamma_support));
+ }
+ /* Print subpixel order for the monitor */
+ if (fields & LIBGAMMA_CRTC_INFO_SUBPIXEL_ORDER) {
+ if (info.subpixel_order_error)
+ libgamma_perror(" (error) subpixel order", info.subpixel_order_error);
+ else
+ printf(" subpixel order: %s\n", subpixel_order_str(info.subpixel_order));
+ }
+ /* Print connector information */
+ print(int, LIBGAMMA_CRTC_INFO_ACTIVE, "active", active);
+ print(str, LIBGAMMA_CRTC_INFO_CONNECTOR_NAME, "connector name", connector_name);
+ if (fields & LIBGAMMA_CRTC_INFO_CONNECTOR_TYPE) {
+ if (info.connector_type_error)
+ libgamma_perror(" (error) subpixel order", info.connector_type_error);
+ else
+ printf(" subpixel order: %s\n", connector_type_str(info.connector_type));
+ }
+ /* Print the gamma characteristics of the monitor */
+ print2(float, LIBGAMMA_CRTC_INFO_GAMMA, "red gamma characteristics", gamma_red, gamma_error);
+ print2(float, LIBGAMMA_CRTC_INFO_GAMMA, "green gamma characteristics", gamma_green, gamma_error);
+ print2(float, LIBGAMMA_CRTC_INFO_GAMMA, "blue gamma characteristics", gamma_blue, gamma_error);
+ printf("\n");
+
+
+#undef print
+#undef print2
+
+ /* Release resouces */
+ free(info.edid);
+ free(info.connector_name);
+}
+
+
+/**
+ * The error API
+ */
+void
+error_test(void)
+{
+ int i;
+
+ /* Test that naming and name dereferencing
+ of errors work. Because the mappings in
+ these [`libgamma_value_of_error` and
+ `libgamma_name_of_error`] functions are
+ generated, it should work if and only if
+ one test passes, assumming the errors are
+ unique whihc is tested in the end of this
+ function. */
+ printf("Testing error API using LIBGAMMA_STATE_UNKNOWN:\n");
+ printf(" Expecting %i: %i\n", LIBGAMMA_STATE_UNKNOWN, libgamma_value_of_error("LIBGAMMA_STATE_UNKNOWN"));
+ printf(" Expecting %s: %s\n", "LIBGAMMA_STATE_UNKNOWN", libgamma_name_of_error(LIBGAMMA_STATE_UNKNOWN));
+ printf("\n");
+
+ /* Test that `libgamma_perror` can print
+ libgamma errors and system errors, and
+ handle success in the same with as `perror`. */
+ printf("Testing libgamma_perror:\n");
+ libgamma_perror(" Expecting LIBGAMMA_STATE_UNKNOWN", LIBGAMMA_STATE_UNKNOWN);
+ libgamma_perror(" Expecting a description for ENOMEM", ENOMEM);
+ libgamma_perror(" Expecting a description for successfulness", 0);
+ /* Test that `libgamma_perror` handles
+ `LIBGAMMA_ERRNO_SET` correctly. */
+ libgamma_perror(" Expecting a description for ENOMEM", (errno = ENOMEM, LIBGAMMA_ERRNO_SET));
+ /* That that `libgamma_perror` handles
+ `LIBGAMMA_DEVICE_REQUIRE_GROUP`
+ correctly both when the required
+ group's name is known and when it
+ is unknown. */
+ libgamma_group_gid_set(10);
+ libgamma_group_name_set("test");
+ libgamma_perror(" Expecting 'LIBGAMMA_DEVICE_REQUIRE_GROUP: test (10)'", LIBGAMMA_DEVICE_REQUIRE_GROUP);
+ libgamma_group_name_set(NULL);
+ libgamma_perror(" Expecting 'LIBGAMMA_DEVICE_REQUIRE_GROUP: 10'", LIBGAMMA_DEVICE_REQUIRE_GROUP);
+ printf("\n");
+
+ /* That all libgamma error codes
+ are unique. This is done by
+ getting the name associated
+ with an error code and the getting
+ the error code associated that
+ name and test that the same
+ error code is returned as put in,
+ for each libgamma error code. */
+ printf("Testing error code uniqueness: ");
+ for (i = -1; i >= LIBGAMMA_ERROR_MIN; i--) {
+ if (libgamma_value_of_error(libgamma_name_of_error(i)) != i) {
+ printf("failed\n");
+ goto not_unique;
+ }
+ }
+ printf("passed\n");
+not_unique:
+ printf("\n");
+}
+
+
+
+/**
+ * Test libgamma
+ *
+ * @return Non-zero on machine detectable error, this library
+ * may still be faulty if zero is returned
+ */
+int
+main(void)
+{
+ libgamma_site_state_t *site_state = malloc(sizeof(libgamma_site_state_t));
+ libgamma_partition_state_t *part_state = malloc(sizeof(libgamma_partition_state_t));
+ libgamma_crtc_state_t *crtc_state = malloc(sizeof(libgamma_crtc_state_t));
+ libgamma_crtc_information_t info;
+#define X(RAMPS)\
+ libgamma_gamma_##RAMPS##_t old_##RAMPS, RAMPS;\
+ libgamma_gamma_##RAMPS##_fun* f_##RAMPS = dim_##RAMPS;
+ LIST_RAMPS(X)
+#undef X
+ size_t i, n;
+ int r, rr = 0;
+
+ /* Test miscellaneous parts of the library */
+ list_methods_lists();
+ method_availability();
+ list_default_sites();
+ method_capabilities();
+ error_test();
+
+ /* Select monitor for tests over CRTC:s, partitions and sites */
+ if (select_monitor(site_state, part_state, crtc_state))
+ return 1;
+
+ /* Test CRTC information functions */
+ crtc_information(crtc_state);
+
+ /* Get the sizes of the gamma ramps for the selected CRTC */
+ libgamma_get_crtc_information(&info, crtc_state, LIBGAMMA_CRTC_INFO_GAMMA_SIZE);
+
+ /* Create gamma ramps for each depth */
+#define X(R)\
+ old_##R.red_size = info.red_gamma_size;\
+ old_##R.green_size = info.green_gamma_size;\
+ old_##R.blue_size = info.blue_gamma_size;\
+ R = old_##R;\
+ libgamma_gamma_##R##_initialise(&old_##R);\
+ libgamma_gamma_##R##_initialise(&R);
+ LIST_RAMPS(X)
+#undef X
+
+ /* Fill gamma ramps, for each depth, with the CRTC:s current ramps */
+#define X(R)\
+ if ((rr |= r = libgamma_crtc_get_gamma_##R(crtc_state, &old_##R))) {\
+ libgamma_perror("libgamma_crtc_get_gamma_" #R, r);\
+ goto done;\
+ }\
+ if ((rr |= r = libgamma_crtc_get_gamma_##R(crtc_state, &R))) {\
+ libgamma_perror("libgamma_crtc_get_gamma_" #R, r);\
+ goto done;\
+ }
+ LIST_RAMPS(X)
+#undef X
+
+ /* Test function assisted gamma ramps setting */
+#define X(R)\
+ /* Dim the monitor for one second and the restore it. */\
+ printf("Dimming monitor output for 1 second... (" #R ")\n");\
+ if ((rr |= r = libgamma_crtc_set_gamma_##R##_f(crtc_state, f_##R, f_##R, f_##R)))\
+ libgamma_perror("libgamma_crtc_set_gamma_" #R "_f", r);\
+ sleep(1);\
+ if ((rr |= r = libgamma_crtc_set_gamma_##R(crtc_state, &old_##R)))\
+ libgamma_perror("libgamma_crtc_set_gamma_" #R, r);\
+ printf("Done!\n");\
+ /* Sleep for one second, we have more depths to test */\
+ printf("Sleeping for 1 second...\n");\
+ sleep(1);
+ LIST_RAMPS(X)
+#undef X
+
+ /* Test getting and setting gamma ramps */
+#define X(R)\
+ /* Get the grand size of the gamma ramps */\
+ n = R.red_size;\
+ n = n > R.green_size ? n : R.green_size;\
+ n = n > R.blue_size ? n : R.blue_size;\
+ /* Print the current gamma ramps */\
+ printf("Current gamma ramps (" #R "):\n");\
+ for (i = 0; i < n; i++) {\
+ if (i < R.red_size) Y(R.red, "1"); else printf(" ");\
+ if (i < R.green_size) Y(R.green, "2"); else printf(" ");\
+ if (i < R.blue_size) Y(R.blue, "4"); else printf(" ");\
+ printf("\n");\
+ }\
+ printf("\n");\
+ /* Adjust the gamma ramps for dimming the monitor */\
+ for (i = 0; i < R.red_size + R.green_size + R.blue_size; i++)\
+ R.red[i] /= 2;\
+ /* Dim the monitor for one second and the restore it */\
+ printf("Dimming monitor for 1 second...\n");\
+ if ((rr |= r = libgamma_crtc_set_gamma_##R(crtc_state, &R)))\
+ libgamma_perror("libgamma_crtc_set_gamma_" #R, r);\
+ sleep(1);\
+ if ((rr |= r = libgamma_crtc_set_gamma_##R(crtc_state, &old_##R)))\
+ libgamma_perror("libgamma_crtc_set_gamma_" #R, r);\
+ printf("Done!\n");\
+ /* Sleep for one second, we have more depths to test */\
+ printf("Sleeping for 1 second...\n");\
+ sleep(1);
+#define Y(R, C) printf(" \033[3" C "m%1.8lf\033[00m", (double)(R[i]))
+ LIST_FLOAT_RAMPS(X)
+#undef Y
+#define Y(R, C) printf(" \033[3" C "m%16llX\033[00m", (uint64_t)(R[i]))
+ LIST_INTEGER_RAMPS(X)
+#undef Y
+#undef X
+
+ /* Test order of gamma ramps */
+ memcpy(ramps16.red, old_ramps16.red, ramps16.red_size * sizeof(uint16_t));
+ memset(ramps16.green, 0, ramps16.green_size * sizeof(uint16_t));
+ memset(ramps16.blue, 0, ramps16.blue_size * sizeof(uint16_t));
+ printf("Making the monitor red-only for 1 second...\n");
+ if ((rr |= r = libgamma_crtc_set_gamma_ramps16(crtc_state, &ramps16)))
+ libgamma_perror("libgamma_crtc_set_gamma_ramps16", r);
+ sleep(1);
+ memset(ramps16.red, 0, ramps16.red_size * sizeof(uint16_t));
+ memcpy(ramps16.green, old_ramps16.green, ramps16.green_size * sizeof(uint16_t));
+ printf("Making the monitor green-only for 1 second...\n");
+ if ((rr |= r = libgamma_crtc_set_gamma_ramps16(crtc_state, &ramps16)))
+ libgamma_perror("libgamma_crtc_set_gamma_ramps16", r);
+ sleep(1);
+ memset(ramps16.green, 0, ramps16.green_size * sizeof(uint16_t));
+ memcpy(ramps16.blue, old_ramps16.blue, ramps16.blue_size * sizeof(uint16_t));
+ printf("Making the monitor green-only for 1 second...\n");
+ if ((rr |= r = libgamma_crtc_set_gamma_ramps16(crtc_state, &ramps16)))
+ libgamma_perror("libgamma_crtc_set_gamma_ramps16", r);
+ sleep(1);
+ if ((rr |= r = libgamma_crtc_set_gamma_ramps64(crtc_state, &old_ramps64)))
+ libgamma_perror("libgamma_crtc_set_gamma_ramps64", r);
+ printf("Done!\n");
+
+ /* TODO Test gamma ramp restore functions */
+
+done:
+ /* Release resouces */
+#define X(R)\
+ libgamma_gamma_##R##_destroy(&R);\
+ libgamma_gamma_##R##_destroy(&old_##R);
+ LIST_RAMPS(X)
+#undef X
+ libgamma_crtc_free(crtc_state);
+ libgamma_partition_free(part_state);
+ libgamma_site_free(site_state);
+ return rr;
+}