The open source OpenXR runtime
a/math: Move m_matrix_2x2 functions into their own header
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-50
-22
src/xrt/auxiliary/math/m_api.h
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src/xrt/auxiliary/math/m_api.h
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*/
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/*!
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* Multiply Matrix2x2.
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*
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* @relates xrt_matrix_2x2
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* @ingroup aux_math
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*/
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void
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math_matrix_2x2_multiply(const struct xrt_matrix_2x2 *left,
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const struct xrt_matrix_2x2 *right,
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struct xrt_matrix_2x2 *result_out);
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/*!
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* Transform a vec2 by a 2x2 matrix
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*
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* @see xrt_matrix_2x2
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* @ingroup aux_math
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*/
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void
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math_matrix_2x2_transform_vec2(const struct xrt_matrix_2x2 *left,
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const struct xrt_vec2 *right,
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struct xrt_vec2 *result_out);
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/*!
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* Initialize a 3x3 matrix to the identity matrix
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*
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* @see xrt_matrix_3x3
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src/xrt/auxiliary/math/m_base.cpp
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src/xrt/auxiliary/math/m_base.cpp
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*
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*/
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extern "C" void
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math_matrix_2x2_multiply(const struct xrt_matrix_2x2 *left,
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const struct xrt_matrix_2x2 *right,
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struct xrt_matrix_2x2 *result_out)
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{
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const struct xrt_matrix_2x2 l = *left;
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const struct xrt_matrix_2x2 r = *right;
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// Initialisers: struct, union, v[4]
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struct xrt_matrix_2x2 result = {{{
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l.v[0] * r.v[0] + l.v[1] * r.v[2],
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l.v[0] * r.v[1] + l.v[1] * r.v[3],
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l.v[2] * r.v[0] + l.v[3] * r.v[2],
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l.v[2] * r.v[1] + l.v[3] * r.v[3],
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}}};
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*result_out = result;
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}
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extern "C" void
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math_matrix_2x2_transform_vec2(const struct xrt_matrix_2x2 *left,
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const struct xrt_vec2 *right,
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struct xrt_vec2 *result_out)
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{
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const struct xrt_matrix_2x2 l = *left;
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const struct xrt_vec2 r = *right;
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struct xrt_vec2 result = {l.v[0] * r.x + l.v[1] * r.y, l.v[2] * r.x + l.v[3] * r.y};
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*result_out = result;
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}
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extern "C" void
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math_matrix_3x3_identity(struct xrt_matrix_3x3 *mat)
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src/xrt/auxiliary/math/m_matrix_2x2.h
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src/xrt/auxiliary/math/m_matrix_2x2.h
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// Copyright 2023, 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 C matrix_2x2 math library.
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* @author Moses Turner <moses@collabora.com>
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*
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* @see xrt_matrix_2x2
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* @ingroup aux_math
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*/
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#pragma once
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#include "xrt/xrt_defines.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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static inline void
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math_matrix_2x2_multiply(const struct xrt_matrix_2x2 *left,
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const struct xrt_matrix_2x2 *right,
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struct xrt_matrix_2x2 *result_out)
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{
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const struct xrt_matrix_2x2 l = *left;
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const struct xrt_matrix_2x2 r = *right;
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// Initialisers: struct, union, v[4]
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struct xrt_matrix_2x2 result = {{{
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l.v[0] * r.v[0] + l.v[1] * r.v[2],
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l.v[0] * r.v[1] + l.v[1] * r.v[3],
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l.v[2] * r.v[0] + l.v[3] * r.v[2],
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l.v[2] * r.v[1] + l.v[3] * r.v[3],
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}}};
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*result_out = result;
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}
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static inline void
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math_matrix_2x2_transform_vec2(const struct xrt_matrix_2x2 *left,
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const struct xrt_vec2 *right,
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struct xrt_vec2 *result_out)
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{
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const struct xrt_matrix_2x2 l = *left;
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const struct xrt_vec2 r = *right;
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struct xrt_vec2 result = {l.v[0] * r.x + l.v[1] * r.y, l.v[2] * r.x + l.v[3] * r.y};
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*result_out = result;
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}
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#ifdef __cplusplus
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}
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#endif
+1
src/xrt/compositor/main/comp_renderer.c
+1
src/xrt/compositor/main/comp_renderer.c