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The open source OpenXR runtime
1// Copyright 2021, Collabora, Ltd.
2// Copyright 2021, Moshi Turner.
3// SPDX-License-Identifier: BSL-1.0
4/*!
5 * @file
6 * @brief Tiny file to verify things
7 * @author Moshi Turner <moshiturner@protonmail.com>
8 * @author Jakob Bornecrantz <jakob@collabora.com>
9 * @ingroup aux_util
10 */
11
12#pragma once
13#include "xrt/xrt_defines.h"
14#include "xrt/xrt_device.h"
15#include "xrt/xrt_compositor.h"
16
17static inline bool
18u_verify_blend_mode_valid(enum xrt_blend_mode blend_mode)
19{
20 return ((blend_mode == XRT_BLEND_MODE_OPAQUE) || (blend_mode == XRT_BLEND_MODE_ADDITIVE) ||
21 (blend_mode == XRT_BLEND_MODE_ALPHA_BLEND));
22}
23
24static inline bool
25u_verify_blend_mode_supported(struct xrt_device *xdev, enum xrt_blend_mode blend_mode)
26{
27 for (size_t i = 0; i < xdev->hmd->blend_mode_count; i++) {
28 if (xdev->hmd->blend_modes[i] == blend_mode) {
29 return true;
30 }
31 }
32 return false;
33}
34
35static inline bool
36u_verify_blend_factor_valid(enum xrt_blend_factor blend_factor)
37{
38 return (blend_factor == XRT_BLEND_FACTOR_ZERO) || (blend_factor == XRT_BLEND_FACTOR_ONE) ||
39 (blend_factor == XRT_BLEND_FACTOR_SRC_ALPHA) || (blend_factor == XRT_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA) ||
40 (blend_factor == XRT_BLEND_FACTOR_DST_ALPHA) || (blend_factor == XRT_BLEND_FACTOR_ONE_MINUS_DST_ALPHA);
41}