397 lines
10 KiB
C
Raw Normal View History

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2014 - Daniel De Matteis
* Copyright (C) 2012-2014 - Michael Lelli
*
* 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/>.
*/
#include <stdlib.h>
#include <stddef.h>
#include <stdio.h>
#include <string.h>
#include <limits.h>
#include "../backend/menu_common_backend.h"
#include "../menu_common.h"
#include "../../../general.h"
#include "../../../gfx/gfx_common.h"
#include "../../../config.def.h"
#include "../../../file.h"
#include "../../../dynamic.h"
#include "../../../compat/posix_string.h"
#include "../../../performance.h"
#include "../../../input/input_common.h"
#include "../../../settings_data.h"
#include "../../../screenshot.h"
#include "../../../gfx/fonts/bitmap.h"
#include "shared.h"
int line_height, glyph_width, glui_margin, glui_term_width, glui_term_height;
GLuint glui_bg = 0;
2014-09-13 06:25:41 +02:00
static void glui_blit_line(float x, float y, const char *message, bool green)
{
gl_t *gl = (gl_t*)driver_video_resolve(NULL);
if (!driver.menu || !gl)
return;
gl_set_viewport(gl, gl->win_width, gl->win_height, false, false);
struct font_params params = {0};
params.x = x / gl->win_width;
params.y = 1.0f - y / gl->win_height;
params.scale = 1.0;
params.color = green ? FONT_COLOR_RGBA(100, 255, 100, 255)
: FONT_COLOR_RGBA(255, 255, 255, 255);
params.full_screen = true;
2014-09-13 06:25:41 +02:00
if (driver.video_data && driver.video_poke
&& driver.video_poke->set_osd_msg)
driver.video_poke->set_osd_msg(driver.video_data,
message, &params);
}
static void glui_render_background(void)
{
GLfloat black_color[] = {
0.0f, 0.0f, 0.0f, 0.8f,
0.0f, 0.0f, 0.0f, 0.8f,
0.0f, 0.0f, 0.0f, 0.8f,
0.0f, 0.0f, 0.0f, 0.8f,
};
static const GLfloat vertex[] = {
0, 0,
1, 0,
0, 1,
1, 1,
};
static const GLfloat tex_coord[] = {
0, 1,
1, 1,
0, 0,
1, 0,
};
gl_t *gl = (gl_t*)driver_video_resolve(NULL);
if (!gl)
return;
glViewport(0, 0, gl->win_width, gl->win_height);
glEnable(GL_BLEND);
gl->coords.vertex = vertex;
gl->coords.tex_coord = tex_coord;
gl->coords.color = glui_bg ? gl->white_color_ptr : black_color;
glBindTexture(GL_TEXTURE_2D, glui_bg);
if (gl->shader && gl->shader->use)
gl->shader->use(gl, GL_SHADER_STOCK_BLEND);
gl->coords.vertices = 4;
gl_shader_set_coords(gl, &gl->coords, &gl->mvp_no_rot);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
glDisable(GL_BLEND);
gl->coords.color = gl->white_color_ptr;
}
static void glui_render_messagebox(const char *message)
{
}
static void glui_frame(void)
{
gl_t *gl = (gl_t*)driver_video_resolve(NULL);
if (!driver.menu || !gl)
return;
if (g_extern.lifecycle_state & (1ULL << MODE_GAME))
return;
line_height = g_settings.video.font_size * 4 / 3;
glyph_width = line_height / 2;
glui_margin = gl->win_width / 20 ;
glui_term_width = (gl->win_width - glui_margin * 2) / glyph_width;
glui_term_height = (gl->win_height - glui_margin * 2) / line_height - 2;
glViewport(0, 0, gl->win_width, gl->win_height);
size_t begin = 0;
size_t end;
2014-09-13 04:21:48 +02:00
if (driver.menu->selection_ptr >= glui_term_height / 2)
begin = driver.menu->selection_ptr - glui_term_height / 2;
end = (driver.menu->selection_ptr + glui_term_height <=
file_list_get_size(driver.menu->selection_buf)) ?
driver.menu->selection_ptr + glui_term_height :
file_list_get_size(driver.menu->selection_buf);
/* Do not scroll if all items are visible. */
2014-09-13 04:21:48 +02:00
if (file_list_get_size(driver.menu->selection_buf) <= glui_term_height)
begin = 0;
2014-09-13 04:21:48 +02:00
if (end - begin > glui_term_height)
end = begin + glui_term_height;
glui_render_background();
char title[256];
const char *dir = NULL;
const char *label = NULL;
unsigned menu_type = 0;
unsigned menu_type_is = 0;
file_list_get_last(driver.menu->menu_stack, &dir, &label, &menu_type);
if (driver.menu_ctx && driver.menu_ctx->backend &&
driver.menu_ctx->backend->type_is)
menu_type_is = driver.menu_ctx->backend->type_is(label, menu_type);
#if 0
RARCH_LOG("Dir is: %s\n", label);
#endif
get_title(label, dir, menu_type, menu_type_is,
title, sizeof(title));
char title_buf[256];
2014-09-13 04:21:48 +02:00
menu_ticker_line(title_buf, glui_term_width - 3,
g_extern.frame_count / glui_margin, title, true);
glui_blit_line(glui_margin * 2, glui_margin + line_height,
2014-09-13 04:21:48 +02:00
title_buf, true);
char title_msg[64];
const char *core_name = g_extern.menu.info.library_name;
if (!core_name)
core_name = g_extern.system.info.library_name;
if (!core_name)
core_name = "No Core";
const char *core_version = g_extern.menu.info.library_version;
if (!core_version)
core_version = g_extern.system.info.library_version;
if (!core_version)
core_version = "";
snprintf(title_msg, sizeof(title_msg), "%s - %s %s", PACKAGE_VERSION,
core_name, core_version);
2014-09-13 06:25:41 +02:00
glui_blit_line(
glui_margin * 2,
glui_margin + glui_term_height * line_height + line_height * 2, title_msg, true);
unsigned x, y;
size_t i;
x = glui_margin;
y = glui_margin + line_height*2;
2014-09-13 04:21:48 +02:00
for (i = begin; i < end; i++, y += line_height)
{
2014-09-11 04:22:30 +02:00
char message[PATH_MAX], type_str[PATH_MAX],
entry_title_buf[PATH_MAX], type_str_buf[PATH_MAX],
path_buf[PATH_MAX];
const char *path = NULL, *entry_label = NULL;
unsigned type = 0, w = 0;
bool selected = false;
file_list_get_at_offset(driver.menu->selection_buf, i, &path,
&entry_label, &type);
rarch_setting_t *setting = (rarch_setting_t*)setting_data_find_setting(
setting_data_get_list(),
driver.menu->selection_buf->list[i].label);
(void)setting;
disp_set_label(&w, type, i, label,
type_str, sizeof(type_str),
2014-09-11 04:22:30 +02:00
entry_label, path,
path_buf, sizeof(path_buf));
selected = (i == driver.menu->selection_ptr);
2014-09-13 04:21:48 +02:00
menu_ticker_line(entry_title_buf, glui_term_width - (w + 1 + 2),
g_extern.frame_count / glui_margin, path_buf, selected);
2014-09-13 04:21:48 +02:00
menu_ticker_line(type_str_buf, w,
g_extern.frame_count / glui_margin, type_str, selected);
snprintf(message, sizeof(message), "%s", entry_title_buf);
2014-09-13 06:25:41 +02:00
glui_blit_line(x, y, message, selected);
glui_blit_line(gl->win_width - glyph_width * w - glui_margin ,
y, type_str_buf, selected);
}
#ifdef GEKKO
const char *message_queue;
if (driver.menu->msg_force)
{
message_queue = msg_queue_pull(g_extern.msg_queue);
driver.menu->msg_force = false;
}
else
message_queue = driver.current_msg;
glui_render_messagebox(message_queue);
#endif
if (driver.menu->keyboard.display)
{
char msg[PATH_MAX];
const char *str = *driver.menu->keyboard.buffer;
if (!str)
str = "";
snprintf(msg, sizeof(msg), "%s\n%s", driver.menu->keyboard.label, str);
glui_render_messagebox(msg);
}
gl_set_viewport(gl, gl->win_width, gl->win_height, false, false);
}
static void glui_init_core_info(void *data)
{
(void)data;
core_info_list_free(g_extern.core_info);
g_extern.core_info = NULL;
if (*g_settings.libretro_directory)
{
g_extern.core_info = core_info_list_new(g_settings.libretro_directory);
}
}
static void *glui_init(void)
{
menu_handle_t *menu;
const video_driver_t *video_driver = NULL;
gl_t *gl = (gl_t*)driver_video_resolve(&video_driver);
if (video_driver != &video_gl || !gl)
{
RARCH_ERR("Cannot initialize GLUI menu driver: gl video driver is not active.\n");
return NULL;
}
menu = (menu_handle_t*)calloc(1, sizeof(*menu));
if (!menu)
return NULL;
glui_init_core_info(menu);
return menu;
}
static void glui_free(void *data)
{
menu_handle_t *menu = (menu_handle_t*)data;
if (menu->alloc_font)
free((uint8_t*)menu->font);
if (g_extern.core_info)
core_info_list_free(g_extern.core_info);
g_extern.core_info = NULL;
}
static int glui_input_postprocess(uint64_t old_state)
{
(void)old_state;
if ((driver.menu->trigger_state & (1ULL << RARCH_MENU_TOGGLE)) &&
g_extern.main_is_init &&
!g_extern.libretro_dummy)
{
rarch_main_command(RARCH_CMD_RESUME);
return -1;
}
return 0;
}
static GLuint png_texture_load(const char * file_name)
{
struct texture_image ti = {0};
texture_image_load(&ti, file_name);
/* Generate the OpenGL texture object */
GLuint texture = 0;
glGenTextures(1, &texture);
glBindTexture(GL_TEXTURE_2D, texture);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, ti.width, ti.height, 0,
GL_RGBA, GL_UNSIGNED_BYTE, ti.pixels);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
free(ti.pixels);
return texture;
}
static void glui_context_reset(void *data)
{
menu_handle_t *menu = (menu_handle_t*)data;
gl_t *gl = (gl_t*)driver_video_resolve(NULL);
driver.gfx_use_rgba = true;
if (!menu)
return;
char bgpath[PATH_MAX];
fill_pathname_join(bgpath, g_settings.assets_directory,
"glui", sizeof(bgpath));
fill_pathname_join(bgpath, bgpath, "bg.png", sizeof(bgpath));
if (path_file_exists(bgpath))
glui_bg = png_texture_load(bgpath);
}
2014-09-11 07:06:20 +02:00
menu_ctx_driver_t menu_ctx_glui = {
NULL,
NULL,
NULL,
glui_frame,
glui_init,
glui_free,
glui_context_reset,
NULL,
NULL,
NULL,
glui_input_postprocess,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
glui_init_core_info,
&menu_ctx_backend_common,
"glui",
};