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a736812f63
This is missing support for xrPollEvents, which needs to be handled separately as it's not properly rigged up throughout Monado yet.
45 lines
1.7 KiB
C
45 lines
1.7 KiB
C
// Copyright 2018-2019, Collabora, Ltd.
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// SPDX-License-Identifier: BSL-1.0
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/*!
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* @file
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* @brief Two call helper functions.
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* @author Ryan Pavlik <ryan.pavlik@collabora.com>
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* @author Jakob Bornecrantz <jakob@collabora.com>
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* @ingroup oxr_main
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*/
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#pragma once
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define OXR_TWO_CALL_HELPER(log, cnt_input, cnt_output, output, count, data, \
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sval) \
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do { \
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if (cnt_output == NULL) { \
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return oxr_error(log, XR_ERROR_VALIDATION_FAILURE, \
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#cnt_output); \
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} \
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*cnt_output = count; \
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\
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if (cnt_input == 0) { \
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return sval; \
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} \
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if (cnt_input < count) { \
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return oxr_error(log, XR_ERROR_SIZE_INSUFFICIENT, \
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#cnt_input); \
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} \
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for (uint32_t i = 0; i < count; i++) { \
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(output)[i] = (data)[i]; \
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} \
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return sval; \
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} while (false)
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#ifdef __cplusplus
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}
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#endif
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