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/*
* Copyright (C) 2020 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2020 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-r3d-base-lib
* Created on: 18 апр. 2019 г.
*
* lsp-r3d-base-lib is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* lsp-r3d-base-lib is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with lsp-r3d-base-lib. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef LSP_PLUG_IN_R3D_BASE_BACKEND_H_
#define LSP_PLUG_IN_R3D_BASE_BACKEND_H_
#include <lsp-plug.in/r3d/base/version.h>
#include <lsp-plug.in/r3d/iface/backend.h>
#include <lsp-plug.in/common/types.h>
namespace lsp
{
namespace r3d
{
typedef struct base_backend_t: public backend_t
{
mat4_t matProjection;
mat4_t matView;
mat4_t matWorld;
color_t colBackground;
ssize_t viewLeft;
ssize_t viewTop;
ssize_t viewWidth;
ssize_t viewHeight;
static void init_matrix_identity(mat4_t *m);
static void matrix_mul(mat4_t *r, const mat4_t *s, const mat4_t *m);
explicit base_backend_t();
void construct();
static status_t init(backend_t *handle);
static void destroy(backend_t *handle);
static void memswap(void *a, void *b, size_t bytes);
static void swap_rows(void *buf, size_t rows, size_t bytes_per_row);
static status_t locate(backend_t *handle, ssize_t left, ssize_t top, ssize_t width, ssize_t height);
static status_t set_matrix(backend_t *handle, matrix_type_t type, const mat4_t *m);
static status_t get_matrix(backend_t *handle, matrix_type_t type, mat4_t *m);
static status_t set_bg_color(backend_t *handle, const color_t *color);
static status_t get_bg_color(backend_t *handle, color_t *color);
static status_t get_location(backend_t *handle, ssize_t *left, ssize_t *top, ssize_t *width, ssize_t *height);
} base_backend_t;
} /* namespace r3d */
} /* namespace lsp */
#endif /* LSP_PLUG_IN_R3D_BASE_BACKEND_H_ */
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