oxr_two_call.h File Reference

Two call helper functions. More...

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Macros
#define	OXR_TWO_CALL_HELPER(log, cnt_input, cnt_output, output, count, data, sval)
#define	OXR_TWO_CALL_FILL_IN_HELPER(log, cnt_input, cnt_output, output_structs, count, fill_fn, source_structs, sval)
	Calls fill_fn(&output_struct[i], &source_struct[i]) to fill output_structs. More...

Detailed Description

Two call helper functions.

Author

Ryan Pavlik ryan..nosp@m.pavl.nosp@m.ik@co.nosp@m.llab.nosp@m.ora.c.nosp@m.om

Jakob Bornecrantz jakob.nosp@m.@col.nosp@m.labor.nosp@m.a.co.nosp@m.m

Macro Definition Documentation

OXR_TWO_CALL_FILL_IN_HELPER

#define OXR_TWO_CALL_FILL_IN_HELPER	(		log,
			cnt_input,
			cnt_output,
			output_structs,
			count,
			fill_fn,
			source_structs,
			sval
	)

Value:

do {                                                                   \
                if (cnt_output == NULL) {                                      \
                        return oxr_error(log, XR_ERROR_VALIDATION_FAILURE,     \
                                         #cnt_output);                         \
                }                                                              \
                *cnt_output = count;                                           \
                                                                               \
                if (cnt_input == 0) {                                          \
                        return sval;                                           \
                }                                                              \
                if (cnt_input < count) {                                       \
                        return oxr_error(log, XR_ERROR_SIZE_INSUFFICIENT,      \
                                         #cnt_input);                          \
                }                                                              \
                for (uint32_t i = 0; i < count; i++) {                         \
                        fill_fn(&output_structs[i], &source_structs[i]);       \
                }                                                              \
                return sval;                                                   \
        } while (false)

Calls fill_fn(&output_struct[i], &source_struct[i]) to fill output_structs.

Referenced by oxr_system_enumerate_view_conf_views().

OXR_TWO_CALL_HELPER

#define OXR_TWO_CALL_HELPER	(		log,
			cnt_input,
			cnt_output,
			output,
			count,
			data,
			sval
	)

Value:

do {                                                                   \
                if (cnt_output == NULL) {                                      \
                        return oxr_error(log, XR_ERROR_VALIDATION_FAILURE,     \
                                         #cnt_output);                         \
                }                                                              \
                *cnt_output = count;                                           \
                                                                               \
                if (cnt_input == 0) {                                          \
                        return sval;                                           \
                }                                                              \
                if (cnt_input < count) {                                       \
                        return oxr_error(log, XR_ERROR_SIZE_INSUFFICIENT,      \
                                         #cnt_input);                          \
                }                                                              \
                for (uint32_t i = 0; i < count; i++) {                         \
                        (output)[i] = (data)[i];                               \
                }                                                              \
                return sval;                                                   \
        } while (false)

Referenced by oxr_system_enumerate_blend_modes(), oxr_system_enumerate_view_confs(), oxr_vk_get_device_exts(), oxr_vk_get_instance_exts(), oxr_xrEnumerateInstanceExtensionProperties(), oxr_xrEnumerateReferenceSpaces(), and oxr_xrPathToString().