nk_common.h

Go to the documentation of this file.

/* RetroArch - A frontend for libretro.
 * Copyright (C) 2011-2017 - Daniel De Matteis
 * Copyright (C) 2014-2017 - Jean-André Santoni
 * Copyright (C) 2016-2017 - Andrés Suárez
 *
 * RetroArch is free software: you can redistribute it and/or modify it under the terms
 * of the GNU General Public License as published by the Free Software Found-
 * ation, either version 3 of the License, or (at your option) any later version.
 *
 * RetroArch 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with RetroArch.
 * If not, see <http://www.gnu.org/licenses/>.
 */

/* This file is intended for backend code. */

#ifndef _NK_COMMON_H
#define _NK_COMMON_H

#define NK_INCLUDE_FIXED_TYPES
#define NK_INCLUDE_STANDARD_IO
#define NK_INCLUDE_STANDARD_VARARGS
#define NK_INCLUDE_DEFAULT_ALLOCATOR
#define NK_INCLUDE_VERTEX_BUFFER_OUTPUT
#define NK_INCLUDE_FONT_BAKING
#define NK_INCLUDE_DEFAULT_FONT

#define UNUSED(a) (void)a
#define MIN(a,b) ((a) < (b) ? (a) : (b))
#define MAX(a,b) ((a) < (b) ? (b) : (a))
#define LEN(a) (sizeof(a)/sizeof(a)[0])

#define MAX_SIZE 256

#include <string.h>
#include "../../../deps/nuklear/nuklear.h"
#include "../../../deps/stb/stb_image.h"

#if defined(HAVE_OPENGL) || defined(HAVE_OPENGLES)
#include "../../../gfx/common/gl_common.h"
#endif

#define MAX_VERTEX_MEMORY (512 * 1024)
#define MAX_ELEMENT_MEMORY (128 * 1024)

#define NK_SYSTEM_TAB_END NK_SYSTEM_TAB_SETTINGS

 struct nk_device
 {
 struct nk_buffer cmds;
 struct nk_draw_null_texture null;
#if defined(HAVE_OPENGL) || defined(HAVE_OPENGLES)
 GLuint vbo, vao, ebo;

 GLuint prog;
 GLuint vert_shdr;
 GLuint frag_shdr;

 GLint attrib_pos;
 GLint attrib_uv;
 GLint attrib_col;

 GLint uniform_proj;
 GLuint font_tex;
#endif
};

/* generic nuklear members*/
extern struct nk_font *font;
extern struct nk_font_atlas atlas;
extern struct nk_user_font usrfnt;
extern struct nk_allocator nk_alloc;
extern struct nk_device device;

struct nk_image nk_common_image_load(const char *filename);

char* nk_common_file_load(const char* path, size_t* size);

void nk_common_device_init(struct nk_device *dev);

void nk_common_device_shutdown(struct nk_device *dev);

void nk_common_device_draw(struct nk_device *dev,
 struct nk_context *ctx, int width, int height,
 enum nk_anti_aliasing AA);

void* nk_common_mem_alloc(nk_handle a, void *old, nk_size b);

void nk_common_mem_free(nk_handle unused, void *ptr);

void nk_upload_atlas(struct nk_device *dev, const void *image, int width, int height);

struct nk_image color_bars, test_entry, test_entry2;

#endif