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-/*
- * Copyright (C) 2011 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/** @file rs_matrix.rsh
- * \brief Matrix routines
- *
- *
- */
-
-#ifndef __RS_MATRIX_RSH__
-#define __RS_MATRIX_RSH__
-
-/**
- * Set one element of a matrix.
- *
- * @param m The matrix to be set
- * @param row
- * @param col
- * @param v
- *
- * @return void
- */
-_RS_RUNTIME void __attribute__((overloadable))
-rsMatrixSet(rs_matrix4x4 *m, uint32_t row, uint32_t col, float v);
-/**
- * \overload
- */
-_RS_RUNTIME void __attribute__((overloadable))
-rsMatrixSet(rs_matrix3x3 *m, uint32_t row, uint32_t col, float v);
-/**
- * \overload
- */
-_RS_RUNTIME void __attribute__((overloadable))
-rsMatrixSet(rs_matrix2x2 *m, uint32_t row, uint32_t col, float v);
-
-/**
- * Get one element of a matrix.
- *
- * @param m The matrix to read from
- * @param row
- * @param col
- *
- * @return float
- */
-_RS_RUNTIME float __attribute__((overloadable))
-rsMatrixGet(const rs_matrix4x4 *m, uint32_t row, uint32_t col);
-/**
- * \overload
- */
-_RS_RUNTIME float __attribute__((overloadable))
-rsMatrixGet(const rs_matrix3x3 *m, uint32_t row, uint32_t col);
-/**
- * \overload
- */
-_RS_RUNTIME float __attribute__((overloadable))
-rsMatrixGet(const rs_matrix2x2 *m, uint32_t row, uint32_t col);
-
-/**
- * Set the elements of a matrix to the identity matrix.
- *
- * @param m
- */
-extern void __attribute__((overloadable)) rsMatrixLoadIdentity(rs_matrix4x4 *m);
-/**
- * \overload
- */
-extern void __attribute__((overloadable)) rsMatrixLoadIdentity(rs_matrix3x3 *m);
-/**
- * \overload
- */
-extern void __attribute__((overloadable)) rsMatrixLoadIdentity(rs_matrix2x2 *m);
-
-/**
- * Set the elements of a matrix from an array of floats.
- *
- * @param m
- */
-extern void __attribute__((overloadable)) rsMatrixLoad(rs_matrix4x4 *m, const float *v);
-/**
- * \overload
- */
-extern void __attribute__((overloadable)) rsMatrixLoad(rs_matrix3x3 *m, const float *v);
-/**
- * \overload
- */
-extern void __attribute__((overloadable)) rsMatrixLoad(rs_matrix2x2 *m, const float *v);
-/**
- * \overload
- */
-extern void __attribute__((overloadable)) rsMatrixLoad(rs_matrix4x4 *m, const rs_matrix4x4 *v);
-/**
- * \overload
- */
-extern void __attribute__((overloadable)) rsMatrixLoad(rs_matrix4x4 *m, const rs_matrix3x3 *v);
-
-/**
- * Set the elements of a matrix from another matrix.
- *
- * @param m
- */
-extern void __attribute__((overloadable)) rsMatrixLoad(rs_matrix4x4 *m, const rs_matrix2x2 *v);
-/**
- * \overload
- */
-extern void __attribute__((overloadable)) rsMatrixLoad(rs_matrix3x3 *m, const rs_matrix3x3 *v);
-/**
- * \overload
- */
-extern void __attribute__((overloadable)) rsMatrixLoad(rs_matrix2x2 *m, const rs_matrix2x2 *v);
-
-/**
- * Load a rotation matrix.
- *
- * @param m
- * @param rot
- * @param x
- * @param y
- * @param z
- */
-extern void __attribute__((overloadable))
-rsMatrixLoadRotate(rs_matrix4x4 *m, float rot, float x, float y, float z);
-
-/**
- * Load a scale matrix.
- *
- * @param m
- * @param x
- * @param y
- * @param z
- */
-extern void __attribute__((overloadable))
-rsMatrixLoadScale(rs_matrix4x4 *m, float x, float y, float z);
-
-/**
- * Load a translation matrix.
- *
- * @param m
- * @param x
- * @param y
- * @param z
- */
-extern void __attribute__((overloadable))
-rsMatrixLoadTranslate(rs_matrix4x4 *m, float x, float y, float z);
-
-/**
- * Multiply two matrix (lhs, rhs) and place the result in m.
- *
- * @param m
- * @param lhs
- * @param rhs
- */
-extern void __attribute__((overloadable))
-rsMatrixLoadMultiply(rs_matrix4x4 *m, const rs_matrix4x4 *lhs, const rs_matrix4x4 *rhs);
-/**
- * \overload
- */
-extern void __attribute__((overloadable))
-rsMatrixLoadMultiply(rs_matrix3x3 *m, const rs_matrix3x3 *lhs, const rs_matrix3x3 *rhs);
-/**
- * \overload
- */
-extern void __attribute__((overloadable))
-rsMatrixLoadMultiply(rs_matrix2x2 *m, const rs_matrix2x2 *lhs, const rs_matrix2x2 *rhs);
-
-/**
- * Multiply the matrix m by rhs and place the result back into m.
- *
- * @param m (lhs)
- * @param rhs
- */
-extern void __attribute__((overloadable))
-rsMatrixMultiply(rs_matrix4x4 *m, const rs_matrix4x4 *rhs);
-/**
- * \overload
- */
-extern void __attribute__((overloadable))
-rsMatrixMultiply(rs_matrix3x3 *m, const rs_matrix3x3 *rhs);
-/**
- * \overload
- */
-extern void __attribute__((overloadable))
-rsMatrixMultiply(rs_matrix2x2 *m, const rs_matrix2x2 *rhs);
-
-/**
- * Multiple matrix m with a rotation matrix
- *
- * @param m
- * @param rot
- * @param x
- * @param y
- * @param z
- */
-extern void __attribute__((overloadable))
-rsMatrixRotate(rs_matrix4x4 *m, float rot, float x, float y, float z);
-
-/**
- * Multiple matrix m with a scale matrix
- *
- * @param m
- * @param x
- * @param y
- * @param z
- */
-extern void __attribute__((overloadable))
-rsMatrixScale(rs_matrix4x4 *m, float x, float y, float z);
-
-/**
- * Multiple matrix m with a translation matrix
- *
- * @param m
- * @param x
- * @param y
- * @param z
- */
-extern void __attribute__((overloadable))
-rsMatrixTranslate(rs_matrix4x4 *m, float x, float y, float z);
-
-/**
- * Load an Ortho projection matrix constructed from the 6 planes
- *
- * @param m
- * @param left
- * @param right
- * @param bottom
- * @param top
- * @param near
- * @param far
- */
-extern void __attribute__((overloadable))
-rsMatrixLoadOrtho(rs_matrix4x4 *m, float left, float right, float bottom, float top, float near, float far);
-
-/**
- * Load an Frustum projection matrix constructed from the 6 planes
- *
- * @param m
- * @param left
- * @param right
- * @param bottom
- * @param top
- * @param near
- * @param far
- */
-extern void __attribute__((overloadable))
-rsMatrixLoadFrustum(rs_matrix4x4 *m, float left, float right, float bottom, float top, float near, float far);
-
-/**
- * Load an perspective projection matrix constructed from the 6 planes
- *
- * @param m
- * @param fovy Field of view, in degrees along the Y axis.
- * @param aspect Ratio of x / y.
- * @param near
- * @param far
- */
-extern void __attribute__((overloadable))
-rsMatrixLoadPerspective(rs_matrix4x4* m, float fovy, float aspect, float near, float far);
-
-#if !defined(RS_VERSION) || (RS_VERSION < 14)
-/**
- * Multiply a vector by a matrix and return the result vector.
- * API version 10-13
- */
-_RS_RUNTIME float4 __attribute__((overloadable))
-rsMatrixMultiply(rs_matrix4x4 *m, float4 in);
-
-/**
- * \overload
- */
-_RS_RUNTIME float4 __attribute__((overloadable))
-rsMatrixMultiply(rs_matrix4x4 *m, float3 in);
-
-/**
- * \overload
- */
-_RS_RUNTIME float4 __attribute__((overloadable))
-rsMatrixMultiply(rs_matrix4x4 *m, float2 in);
-
-/**
- * \overload
- */
-_RS_RUNTIME float3 __attribute__((overloadable))
-rsMatrixMultiply(rs_matrix3x3 *m, float3 in);
-
-/**
- * \overload
- */
-_RS_RUNTIME float3 __attribute__((overloadable))
-rsMatrixMultiply(rs_matrix3x3 *m, float2 in);
-
-/**
- * \overload
- */
-_RS_RUNTIME float2 __attribute__((overloadable))
-rsMatrixMultiply(rs_matrix2x2 *m, float2 in);
-#else
-/**
- * Multiply a vector by a matrix and return the result vector.
- * API version 14+
- */
-_RS_RUNTIME float4 __attribute__((overloadable))
-rsMatrixMultiply(const rs_matrix4x4 *m, float4 in);
-
-/**
- * \overload
- */
-_RS_RUNTIME float4 __attribute__((overloadable))
-rsMatrixMultiply(const rs_matrix4x4 *m, float3 in);
-
-/**
- * \overload
- */
-_RS_RUNTIME float4 __attribute__((overloadable))
-rsMatrixMultiply(const rs_matrix4x4 *m, float2 in);
-
-/**
- * \overload
- */
-_RS_RUNTIME float3 __attribute__((overloadable))
-rsMatrixMultiply(const rs_matrix3x3 *m, float3 in);
-
-/**
- * \overload
- */
-_RS_RUNTIME float3 __attribute__((overloadable))
-rsMatrixMultiply(const rs_matrix3x3 *m, float2 in);
-
-/**
- * \overload
- */
-_RS_RUNTIME float2 __attribute__((overloadable))
-rsMatrixMultiply(const rs_matrix2x2 *m, float2 in);
-#endif
-
-
-/**
- * Returns true if the matrix was successfully inversed
- *
- * @param m
- */
-extern bool __attribute__((overloadable)) rsMatrixInverse(rs_matrix4x4 *m);
-
-/**
- * Returns true if the matrix was successfully inversed and transposed.
- *
- * @param m
- */
-extern bool __attribute__((overloadable)) rsMatrixInverseTranspose(rs_matrix4x4 *m);
-
-/**
- * Transpose the matrix m.
- *
- * @param m
- */
-extern void __attribute__((overloadable)) rsMatrixTranspose(rs_matrix4x4 *m);
-/**
- * \overload
- */
-extern void __attribute__((overloadable)) rsMatrixTranspose(rs_matrix3x3 *m);
-/**
- * \overload
- */
-extern void __attribute__((overloadable)) rsMatrixTranspose(rs_matrix2x2 *m);
-
-
-#endif