/* SPDX-License-Identifier: GPL-2.0-or-later
 * Copyright 2021 Blender Foundation.
 */

/** \file
 * \ingroup eevee
 */

namespace blender::eevee {

class Instance;

static const float cubeface_mat[6][4][4] = {
    /* Pos X */
    {{0.0f, 0.0f, -1.0f, 0.0f},
     {0.0f, -1.0f, 0.0f, 0.0f},
     {-1.0f, 0.0f, 0.0f, 0.0f},
     {0.0f, 0.0f, 0.0f, 1.0f}},
    /* Neg X */
    {{0.0f, 0.0f, 1.0f, 0.0f},
     {0.0f, -1.0f, 0.0f, 0.0f},
     {1.0f, 0.0f, 0.0f, 0.0f},
     {0.0f, 0.0f, 0.0f, 1.0f}},
    /* Pos Y */
    {{1.0f, 0.0f, 0.0f, 0.0f},
     {0.0f, 0.0f, -1.0f, 0.0f},
     {0.0f, 1.0f, 0.0f, 0.0f},
     {0.0f, 0.0f, 0.0f, 1.0f}},
    /* Neg Y */
    {{1.0f, 0.0f, 0.0f, 0.0f},
     {0.0f, 0.0f, 1.0f, 0.0f},
     {0.0f, -1.0f, 0.0f, 0.0f},
     {0.0f, 0.0f, 0.0f, 1.0f}},
    /* Pos Z */
    {{1.0f, 0.0f, 0.0f, 0.0f},
     {0.0f, -1.0f, 0.0f, 0.0f},
     {0.0f, 0.0f, -1.0f, 0.0f},
     {0.0f, 0.0f, 0.0f, 1.0f}},
    /* Neg Z */
    {{-1.0f, 0.0f, 0.0f, 0.0f},
     {0.0f, -1.0f, 0.0f, 0.0f},
     {0.0f, 0.0f, 1.0f, 0.0f},
     {0.0f, 0.0f, 0.0f, 1.0f}},
};

}  // namespace blender::eevee