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RetroArch/tasks/task_overlay.c
libretroadmin e8242253a7 Reduce strlcat calls where possible
2023-06-19 06:00:10 +02:00

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2011-2017 - Daniel De Matteis
*
* 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 <compat/strl.h>
#include <compat/posix_string.h>
#include <retro_miscellaneous.h>
#include <file/file_path.h>
#include <file/config_file.h>
#include <lists/string_list.h>
#include <streams/file_stream.h>
#include <string/stdstring.h>
#include <lrc_hash.h>
#include "tasks_internal.h"
#include "../gfx/video_driver.h"
#include "../input/input_driver.h"
#include "../input/input_overlay.h"
#include "../input/input_remapping.h"
#include "../verbosity.h"
typedef struct overlay_loader overlay_loader_t;
struct overlay_loader
{
config_file_t *conf;
char *overlay_path;
struct overlay *overlays;
struct overlay *active;
size_t resolve_pos;
unsigned size;
unsigned pos;
unsigned pos_increment;
float overlay_opacity;
overlay_layout_desc_t layout_desc;
enum overlay_status state;
enum overlay_image_transfer_status loading_status;
uint16_t overlay_types;
uint8_t flags;
};
static void task_overlay_image_done(struct overlay *overlay)
{
overlay->pos = 0;
/* Divide iteration steps by half of total descs if size is even,
* otherwise default to 8 (arbitrary value for now to speed things up). */
overlay->pos_increment = (overlay->size / 2) ? ((unsigned)(overlay->size / 2)) : 8;
}
static void task_overlay_load_desc_image(
overlay_loader_t *loader,
struct overlay_desc *desc,
struct overlay *input_overlay,
unsigned ol_idx, unsigned desc_idx)
{
char overlay_desc_image_key[32];
char image_path[PATH_MAX_LENGTH];
config_file_t *conf = loader->conf;
overlay_desc_image_key[0] = '\0';
image_path[0] = '\0';
snprintf(overlay_desc_image_key, sizeof(overlay_desc_image_key),
"overlay%u_desc%u_overlay", ol_idx, desc_idx);
if (config_get_path(conf, overlay_desc_image_key,
image_path, sizeof(image_path)))
{
struct texture_image image_tex;
char path[PATH_MAX_LENGTH];
fill_pathname_resolve_relative(path, loader->overlay_path,
image_path, sizeof(path));
image_tex.supports_rgba = (loader->flags & OVERLAY_LOADER_RGBA_SUPPORT);
if (image_texture_load(&image_tex, path))
{
input_overlay->load_images[input_overlay->load_images_size++] = image_tex;
desc->image = image_tex;
desc->image_index = input_overlay->load_images_size - 1;
}
}
input_overlay->pos ++;
}
static void task_overlay_redefine_eightway_direction(
char *str, input_bits_t *data)
{
char *tok, *save;
unsigned bit;
BIT256_CLEAR_ALL(*data);
for (tok = strtok_r(str, "|", &save); tok;
tok = strtok_r(NULL, "|", &save))
{
bit = input_config_translate_str_to_bind_id(tok);
if (bit < RARCH_CUSTOM_BIND_LIST_END)
BIT256_SET(*data, bit);
}
}
static void task_overlay_desc_populate_eightway_config(
overlay_loader_t *loader,
struct overlay_desc *desc,
unsigned ol_idx, unsigned desc_idx)
{
size_t _len;
input_driver_state_t *input_st = input_state_get_ptr();
overlay_eightway_config_t *eightway;
char conf_key_base[20];
char conf_key[64];
char *str;
desc->eightway_config = (overlay_eightway_config_t *)
calloc(1, sizeof(overlay_eightway_config_t));
eightway = desc->eightway_config;
/* Populate default vals for the eightway type.
*/
switch (desc->type)
{
case OVERLAY_TYPE_DPAD_AREA:
BIT256_SET(eightway->up, RETRO_DEVICE_ID_JOYPAD_UP);
BIT256_SET(eightway->down, RETRO_DEVICE_ID_JOYPAD_DOWN);
BIT256_SET(eightway->left, RETRO_DEVICE_ID_JOYPAD_LEFT);
BIT256_SET(eightway->right, RETRO_DEVICE_ID_JOYPAD_RIGHT);
eightway->slope_low = &input_st->overlay_eightway_dpad_slopes[0];
eightway->slope_high = &input_st->overlay_eightway_dpad_slopes[1];
break;
case OVERLAY_TYPE_ABXY_AREA:
BIT256_SET(eightway->up, RETRO_DEVICE_ID_JOYPAD_X);
BIT256_SET(eightway->down, RETRO_DEVICE_ID_JOYPAD_B);
BIT256_SET(eightway->left, RETRO_DEVICE_ID_JOYPAD_Y);
BIT256_SET(eightway->right, RETRO_DEVICE_ID_JOYPAD_A);
eightway->slope_low = &input_st->overlay_eightway_abxy_slopes[0];
eightway->slope_high = &input_st->overlay_eightway_abxy_slopes[1];
break;
default:
free(eightway);
desc->eightway_config = NULL;
return;
}
snprintf(conf_key_base, sizeof(conf_key_base), "overlay%u_desc%u", ol_idx, desc_idx);
/* Redefine eightway vals if specified in conf
*/
_len = strlcpy(conf_key, conf_key_base, sizeof(conf_key));
strlcpy(conf_key + _len, "_up", sizeof(conf_key) - _len);
if (config_get_string(loader->conf, conf_key, &str))
{
task_overlay_redefine_eightway_direction(str, &eightway->up);
free(str);
}
strlcpy(conf_key + _len, "_down", sizeof(conf_key) - _len);
if (config_get_string(loader->conf, conf_key, &str))
{
task_overlay_redefine_eightway_direction(str, &eightway->down);
free(str);
}
strlcpy(conf_key + _len, "_left", sizeof(conf_key) - _len);
if (config_get_string(loader->conf, conf_key, &str))
{
task_overlay_redefine_eightway_direction(str, &eightway->left);
free(str);
}
strlcpy(conf_key + _len, "_right", sizeof(conf_key) - _len);
if (config_get_string(loader->conf, conf_key, &str))
{
task_overlay_redefine_eightway_direction(str, &eightway->right);
free(str);
}
/* Prepopulate diagonals.
*/
bits_or_bits(eightway->up_right.data, eightway->up.data,
CUSTOM_BINDS_U32_COUNT);
bits_or_bits(eightway->up_right.data, eightway->right.data,
CUSTOM_BINDS_U32_COUNT);
bits_or_bits(eightway->up_left.data, eightway->up.data,
CUSTOM_BINDS_U32_COUNT);
bits_or_bits(eightway->up_left.data, eightway->left.data,
CUSTOM_BINDS_U32_COUNT);
bits_or_bits(eightway->down_right.data, eightway->down.data,
CUSTOM_BINDS_U32_COUNT);
bits_or_bits(eightway->down_right.data, eightway->right.data,
CUSTOM_BINDS_U32_COUNT);
bits_or_bits(eightway->down_left.data, eightway->down.data,
CUSTOM_BINDS_U32_COUNT);
bits_or_bits(eightway->down_left.data, eightway->left.data,
CUSTOM_BINDS_U32_COUNT);
}
static bool task_overlay_load_desc(
overlay_loader_t *loader,
struct overlay_desc *desc,
struct overlay *input_overlay,
unsigned ol_idx, unsigned desc_idx,
unsigned width, unsigned height,
bool normalized, float alpha_mod, float range_mod)
{
size_t _len;
float width_mod, height_mod;
char conf_key[64];
char overlay_desc_key[32];
char overlay_key[64];
char overlay[256];
float tmp_float = 0.0f;
bool tmp_bool = false;
bool ret = true;
bool by_pixel = false;
char *key = NULL;
struct string_list list = {0};
const char *x = NULL;
const char *y = NULL;
const char *box = NULL;
config_file_t *conf = loader->conf;
overlay_desc_key[0] =
overlay_key[0] =
conf_key[0] =
overlay[0] = '\0';
snprintf(overlay_desc_key, sizeof(overlay_desc_key),
"overlay%u_desc%u", ol_idx, desc_idx);
_len = strlcpy(overlay_key, overlay_desc_key, sizeof(overlay_key));
strlcpy(overlay_key + _len, "_normalized", sizeof(overlay_key) - _len);
if (config_get_bool(conf, overlay_key, &tmp_bool))
normalized = tmp_bool;
by_pixel = !normalized;
if (by_pixel && (width == 0 || height == 0))
{
RARCH_ERR("[Overlay]: Base overlay is not set and not using normalized coordinates.\n");
ret = false;
goto end;
}
if (!config_get_array(conf, overlay_desc_key, overlay, sizeof(overlay)))
{
RARCH_ERR("[Overlay]: Didn't find key: %s.\n", overlay_desc_key);
ret = false;
goto end;
}
string_list_initialize(&list);
if (!string_split_noalloc(&list, overlay, ", "))
{
RARCH_ERR("[Overlay]: Failed to split overlay desc.\n");
ret = false;
goto end;
}
if (list.size < 6)
{
RARCH_ERR("[Overlay]: Overlay desc is invalid. Requires at least 6 tokens.\n");
ret = false;
goto end;
}
key = list.elems[0].data;
x = list.elems[1].data;
y = list.elems[2].data;
box = list.elems[3].data;
desc->retro_key_idx = 0;
BIT256_CLEAR_ALL(desc->button_mask);
if (string_is_equal(key, "analog_left"))
desc->type = OVERLAY_TYPE_ANALOG_LEFT;
else if (string_is_equal(key, "analog_right"))
desc->type = OVERLAY_TYPE_ANALOG_RIGHT;
else if (string_is_equal(key, "dpad_area"))
desc->type = OVERLAY_TYPE_DPAD_AREA;
else if (string_is_equal(key, "abxy_area"))
desc->type = OVERLAY_TYPE_ABXY_AREA;
else if (strstr(key, "retrok_") == key)
{
desc->type = OVERLAY_TYPE_KEYBOARD;
desc->retro_key_idx = input_config_translate_str_to_rk(key + 7);
}
else
{
char *save = NULL;
const char *tmp = strtok_r(key, "|", &save);
desc->type = OVERLAY_TYPE_BUTTONS;
for (; tmp; tmp = strtok_r(NULL, "|", &save))
{
if (!string_is_equal(tmp, "nul"))
BIT256_SET(desc->button_mask, input_config_translate_str_to_bind_id(tmp));
}
if (BIT256_GET(desc->button_mask, RARCH_OVERLAY_NEXT))
{
strlcpy(overlay_key + _len, "_next_target",
sizeof(overlay_key) - _len);
config_get_array(conf, overlay_key,
desc->next_index_name, sizeof(desc->next_index_name));
}
}
BIT16_SET(loader->overlay_types, desc->type);
width_mod = 1.0f;
height_mod = 1.0f;
if (by_pixel)
{
width_mod /= width;
height_mod /= height;
}
desc->x = (float)strtod(x, NULL) * width_mod;
desc->y = (float)strtod(y, NULL) * height_mod;
desc->x_shift = desc->x;
desc->y_shift = desc->y;
if (string_is_equal(box, "radial"))
desc->hitbox = OVERLAY_HITBOX_RADIAL;
else if (string_is_equal(box, "rect"))
desc->hitbox = OVERLAY_HITBOX_RECT;
else
{
RARCH_ERR("[Overlay]: Hitbox type (%s) is invalid. Use \"radial\" or \"rect\".\n", box);
ret = false;
goto end;
}
switch (desc->type)
{
case OVERLAY_TYPE_ANALOG_LEFT:
case OVERLAY_TYPE_ANALOG_RIGHT:
if (desc->hitbox != OVERLAY_HITBOX_RADIAL)
{
RARCH_ERR("[Overlay]: Analog hitbox type must be \"radial\".\n");
ret = false;
goto end;
}
strlcpy(overlay_key + _len, "_saturate_pct",
sizeof(overlay_key) - _len);
if (config_get_float(conf, overlay_key,
&tmp_float))
desc->analog_saturate_pct = tmp_float;
else
desc->analog_saturate_pct = 1.0f;
break;
case OVERLAY_TYPE_DPAD_AREA:
case OVERLAY_TYPE_ABXY_AREA:
task_overlay_desc_populate_eightway_config(
loader, desc, ol_idx, desc_idx);
break;
default:
/* OVERLAY_TYPE_BUTTONS - unhandled */
/* OVERLAY_TYPE_KEYBOARD - unhandled */
break;
}
desc->range_x = (float)strtod(list.elems[4].data, NULL) * width_mod;
desc->range_y = (float)strtod(list.elems[5].data, NULL) * height_mod;
_len = strlcpy(conf_key, overlay_desc_key, sizeof(conf_key));
strlcpy(conf_key + _len, "_reach_x", sizeof(conf_key) - _len);
if (config_get_float(conf, conf_key, &tmp_float))
{
desc->reach_right = tmp_float;
desc->reach_left = tmp_float;
}
strlcpy(conf_key + _len, "_reach_y", sizeof(conf_key) - _len);
if (config_get_float(conf, conf_key, &tmp_float))
{
desc->reach_up = tmp_float;
desc->reach_down = tmp_float;
}
strlcpy(conf_key + _len, "_movable", sizeof(conf_key) - _len);
desc->flags &= ~OVERLAY_DESC_MOVABLE;
desc->delta_x = 0.0f;
desc->delta_y = 0.0f;
if (config_get_bool(conf, conf_key, &tmp_bool)
&& tmp_bool)
desc->flags |= OVERLAY_DESC_MOVABLE;
strlcpy(conf_key + _len, "_reach_up", sizeof(conf_key) - _len);
desc->reach_up = 1.0f;
if (config_get_float(conf, conf_key, &tmp_float))
desc->reach_up = tmp_float;
strlcpy(conf_key + _len, "_alpha_mod", sizeof(conf_key) - _len);
desc->alpha_mod = alpha_mod;
if (config_get_float(conf, conf_key, &tmp_float))
desc->alpha_mod = tmp_float;
strlcpy(conf_key + _len, "_range_mod", sizeof(conf_key) - _len);
desc->range_mod = range_mod;
if (config_get_float(conf, conf_key, &tmp_float))
desc->range_mod = tmp_float;
strlcpy(conf_key + _len, "_exclusive", sizeof(conf_key) - _len);
desc->flags &= ~OVERLAY_DESC_EXCLUSIVE;
if (config_get_bool(conf, conf_key, &tmp_bool)
&& tmp_bool)
desc->flags |= OVERLAY_DESC_EXCLUSIVE;
strlcpy(conf_key + _len, "_reach_down", sizeof(conf_key) - _len);
desc->reach_down = 1.0f;
if (config_get_float(conf, conf_key, &tmp_float))
desc->reach_down = tmp_float;
strlcpy(conf_key + _len, "_reach_left", sizeof(conf_key) - _len);
desc->reach_left = 1.0f;
if (config_get_float(conf, conf_key, &tmp_float))
desc->reach_left = tmp_float;
strlcpy(conf_key + _len, "_reach_right", sizeof(conf_key) - _len);
desc->reach_right = 1.0f;
if (config_get_float(conf, conf_key, &tmp_float))
desc->reach_right = tmp_float;
strlcpy(conf_key + _len, "_range_mod_exclusive", sizeof(conf_key) - _len);
desc->flags &= ~OVERLAY_DESC_RANGE_MOD_EXCLUSIVE;
if (config_get_bool(conf, conf_key, &tmp_bool)
&& tmp_bool)
desc->flags |= OVERLAY_DESC_RANGE_MOD_EXCLUSIVE;
if ( (desc->reach_left == 0.0f && desc->reach_right == 0.0f)
|| (desc->reach_up == 0.0f && desc->reach_down == 0.0f))
desc->hitbox = OVERLAY_HITBOX_NONE;
desc->mod_x = desc->x - desc->range_x;
desc->mod_w = 2.0f * desc->range_x;
desc->mod_y = desc->y - desc->range_y;
desc->mod_h = 2.0f * desc->range_y;
input_overlay->pos ++;
end:
string_list_deinitialize(&list);
return ret;
}
static ssize_t task_overlay_find_index(const struct overlay *ol,
const char *name, size_t size)
{
size_t i;
if (!ol)
return -1;
for (i = 0; i < size; i++)
{
if (string_is_equal(ol[i].name, name))
return i;
}
return -1;
}
static bool task_overlay_resolve_targets(struct overlay *ol,
size_t idx, size_t size)
{
unsigned i;
struct overlay *current = (struct overlay*)&ol[idx];
for (i = 0; i < current->size; i++)
{
struct overlay_desc *desc = (struct overlay_desc*)&current->descs[i];
const char *next = desc->next_index_name;
ssize_t next_idx = (idx + 1) % size;
if (!string_is_empty(next))
{
next_idx = task_overlay_find_index(ol, next, size);
if (next_idx < 0)
{
RARCH_ERR("[Overlay]: Couldn't find overlay called: \"%s\".\n",
next);
return false;
}
}
desc->next_index = (unsigned)next_idx;
}
return true;
}
static void task_overlay_resolve_iterate(retro_task_t *task)
{
overlay_loader_t *loader = (overlay_loader_t*)task->state;
bool not_done = loader->resolve_pos < loader->size;
if (!not_done)
{
loader->state = OVERLAY_STATUS_DEFERRED_DONE;
return;
}
if (!task_overlay_resolve_targets(loader->overlays,
loader->resolve_pos, loader->size))
{
RARCH_ERR("[Overlay]: Failed to resolve next targets.\n");
task_set_cancelled(task, true);
loader->state = OVERLAY_STATUS_DEFERRED_ERROR;
return;
}
if (loader->resolve_pos == 0)
{
loader->active = &loader->overlays[0];
#if 0
/* TODO: MOVE TO MAIN THREAD / CALLBACK */
input_overlay_load_active(loader->deferred.opacity);
input_overlay_enable(loader->deferred.enable);
#endif
}
loader->resolve_pos += 1;
}
static void task_overlay_deferred_loading(retro_task_t *task)
{
size_t i = 0;
overlay_loader_t *loader = (overlay_loader_t*)task->state;
struct overlay *overlay = &loader->overlays[loader->pos];
bool not_done = loader->pos < loader->size;
if (!not_done)
{
loader->state = OVERLAY_STATUS_DEFERRED_LOADING_RESOLVE;
return;
}
switch (loader->loading_status)
{
case OVERLAY_IMAGE_TRANSFER_NONE:
case OVERLAY_IMAGE_TRANSFER_BUSY:
loader->loading_status = OVERLAY_IMAGE_TRANSFER_DONE;
/* fall-through */
case OVERLAY_IMAGE_TRANSFER_DONE:
task_overlay_image_done(&loader->overlays[loader->pos]);
loader->loading_status = OVERLAY_IMAGE_TRANSFER_DESC_IMAGE_ITERATE;
loader->overlays[loader->pos].pos = 0;
break;
case OVERLAY_IMAGE_TRANSFER_DESC_IMAGE_ITERATE:
for (i = 0; i < overlay->pos_increment; i++)
{
if (overlay->pos < overlay->size)
{
task_overlay_load_desc_image(loader,
&overlay->descs[overlay->pos], overlay,
loader->pos, (unsigned)overlay->pos);
}
else
{
overlay->pos = 0;
loader->loading_status = OVERLAY_IMAGE_TRANSFER_DESC_ITERATE;
break;
}
}
break;
case OVERLAY_IMAGE_TRANSFER_DESC_ITERATE:
for (i = 0; i < overlay->pos_increment; i++)
{
if (overlay->pos < overlay->size)
{
if (!task_overlay_load_desc(loader,
&overlay->descs[overlay->pos], overlay,
loader->pos, (unsigned)overlay->pos,
overlay->image.width, overlay->image.height,
overlay->config.normalized,
overlay->config.alpha_mod, overlay->config.range_mod))
{
RARCH_ERR("[Overlay]: Failed to load overlay descs for overlay #%u.\n",
(unsigned)overlay->pos);
task_set_cancelled(task, true);
loader->state = OVERLAY_STATUS_DEFERRED_ERROR;
break;
}
}
else
{
overlay->pos = 0;
loader->loading_status = OVERLAY_IMAGE_TRANSFER_DESC_DONE;
break;
}
}
break;
case OVERLAY_IMAGE_TRANSFER_DESC_DONE:
if (loader->pos == 0)
task_overlay_resolve_iterate(task);
loader->pos += 1;
loader->loading_status = OVERLAY_IMAGE_TRANSFER_NONE;
break;
case OVERLAY_IMAGE_TRANSFER_ERROR:
task_set_cancelled(task, true);
loader->state = OVERLAY_STATUS_DEFERRED_ERROR;
break;
}
}
static void task_overlay_deferred_load(retro_task_t *task)
{
unsigned i;
overlay_loader_t *loader = (overlay_loader_t*)task->state;
config_file_t *conf = loader->conf;
for (i = 0; i < loader->pos_increment; i++, loader->pos++)
{
size_t _len;
char conf_key_base[10];
char conf_key[32];
char tmp_str[PATH_MAX_LENGTH];
float tmp_float = 0.0;
bool tmp_bool = false;
struct texture_image *texture_img = NULL;
struct overlay_desc *overlay_desc = NULL;
struct overlay *overlay = NULL;
bool to_cont = loader->pos < loader->size;
if (!to_cont)
{
loader->pos = 0;
loader->state = OVERLAY_STATUS_DEFERRED_LOADING;
break;
}
tmp_str[0] = '\0';
overlay = &loader->overlays[loader->pos];
snprintf(conf_key_base, sizeof(conf_key_base), "overlay%u", loader->pos);
_len = strlcpy(conf_key, conf_key_base, sizeof(conf_key));
strlcpy(conf_key + _len, "_rect", sizeof(conf_key) - _len);
strlcpy(overlay->config.rect.key, conf_key,
sizeof(overlay->config.rect.key));
strlcpy(conf_key + _len, "_name", sizeof(conf_key) - _len);
strlcpy(overlay->config.names.key, conf_key,
sizeof(overlay->config.names.key));
strlcpy(conf_key + _len, "_descs", sizeof(conf_key) - _len);
strlcpy(overlay->config.descs.key, conf_key,
sizeof(overlay->config.descs.key));
strlcpy(conf_key + _len, "_overlay", sizeof(conf_key) - _len);
strlcpy(overlay->config.paths.key, conf_key,
sizeof(overlay->config.paths.key));
if (!config_get_uint(conf, overlay->config.descs.key,
&overlay->config.descs.size))
{
RARCH_ERR("[Overlay]: Failed to read number of descs from config key: %s.\n",
overlay->config.descs.key);
goto error;
}
overlay_desc = (struct overlay_desc*)
calloc(overlay->config.descs.size, sizeof(*overlay->descs));
if (!overlay_desc)
{
RARCH_ERR("[Overlay]: Failed to allocate descs.\n");
goto error;
}
overlay->descs = overlay_desc;
overlay->size = overlay->config.descs.size;
strlcpy(conf_key + _len, "_alpha_mod", sizeof(conf_key) - _len);
if (config_get_float(conf, conf_key, &tmp_float))
overlay->config.alpha_mod = tmp_float;
else
overlay->config.alpha_mod = 1.0f;
strlcpy(conf_key + _len, "_range_mod", sizeof(conf_key) - _len);
if (config_get_float(conf, conf_key, &tmp_float))
overlay->config.range_mod = tmp_float;
else
overlay->config.range_mod = 1.0f;
strlcpy(conf_key + _len, "_normalized", sizeof(conf_key) - _len);
if (config_get_bool(conf, conf_key, &tmp_bool)
&& tmp_bool)
overlay->config.normalized = tmp_bool;
else
overlay->config.normalized = false;
strlcpy(conf_key + _len, "_full_screen", sizeof(conf_key) - _len);
if (config_get_bool(conf, conf_key, &tmp_bool)
&& tmp_bool)
overlay->flags |= OVERLAY_FULL_SCREEN;
else
overlay->flags &= ~OVERLAY_FULL_SCREEN;
/* Precache load image array for simplicity. */
texture_img = (struct texture_image*)
calloc(1 + overlay->size, sizeof(struct texture_image));
if (!texture_img)
{
RARCH_ERR("[Overlay]: Failed to allocate load_images.\n");
goto error;
}
overlay->load_images = texture_img;
if (config_get_path(conf, overlay->config.paths.key,
tmp_str, sizeof(tmp_str)))
strlcpy(overlay->config.paths.path,
tmp_str, sizeof(overlay->config.paths.path));
if (!string_is_empty(overlay->config.paths.path))
{
struct texture_image image_tex;
char overlay_resolved_path[PATH_MAX_LENGTH];
overlay_resolved_path[0] = '\0';
fill_pathname_resolve_relative(overlay_resolved_path,
loader->overlay_path,
overlay->config.paths.path, sizeof(overlay_resolved_path));
image_tex.supports_rgba =
(loader->flags & OVERLAY_LOADER_RGBA_SUPPORT);
if (!image_texture_load(&image_tex, overlay_resolved_path))
{
RARCH_ERR("[Overlay]: Failed to load image: %s.\n",
overlay_resolved_path);
loader->loading_status = OVERLAY_IMAGE_TRANSFER_ERROR;
goto error;
}
overlay->load_images[overlay->load_images_size++] = image_tex;
overlay->image = image_tex;
}
config_get_array(conf, overlay->config.names.key,
overlay->name, sizeof(overlay->name));
/* Attempt to determine native aspect ratio */
strlcpy(conf_key + _len, "_aspect_ratio", sizeof(conf_key) - _len);
if (config_get_float(conf, conf_key, &tmp_float))
overlay->aspect_ratio = tmp_float;
else
overlay->aspect_ratio = 0.0f;
if (overlay->aspect_ratio <= 0.0f)
{
/* No ratio has been set - assume 16:9
* (or 16:9 rotated) */
/* Check whether overlay name indicates a
* portrait layout */
if (strstr(overlay->name, "portrait"))
overlay->aspect_ratio = 0.5625f; /* 1 / (16/9) */
else
overlay->aspect_ratio = 1.7777778f; /* 16/9 */
}
/* By default, we stretch the overlay out in full. */
overlay->x = overlay->y = 0.0f;
overlay->w = overlay->h = 1.0f;
if (config_get_array(conf, overlay->config.rect.key,
overlay->config.rect.array, sizeof(overlay->config.rect.array)))
{
struct string_list list = {0};
string_list_initialize(&list);
if ( !string_split_noalloc(
&list, overlay->config.rect.array, ", ")
|| list.size < 4)
{
RARCH_ERR("[Overlay]: Failed to split rect \"%s\" into at least four tokens.\n",
overlay->config.rect.array);
string_list_deinitialize(&list);
goto error;
}
overlay->x = (float)strtod(list.elems[0].data, NULL);
overlay->y = (float)strtod(list.elems[1].data, NULL);
overlay->w = (float)strtod(list.elems[2].data, NULL);
overlay->h = (float)strtod(list.elems[3].data, NULL);
string_list_deinitialize(&list);
}
/* Assume for now that scaling center is in the middle.
* TODO: Make this configurable. */
overlay->flags &= ~OVERLAY_BLOCK_SCALE;
overlay->center_x = overlay->x + 0.5f * overlay->w;
overlay->center_y = overlay->y + 0.5f * overlay->h;
/* Check whether x/y separation are enabled
* for this overlay in auto-scale mode */
strlcpy(conf_key + _len, "_auto_x_separation", sizeof(conf_key) - _len);
overlay->flags |= OVERLAY_AUTO_X_SEPARATION;
if (config_get_bool(conf, conf_key, &tmp_bool))
{
if (!tmp_bool)
overlay->flags &= ~OVERLAY_AUTO_X_SEPARATION;
}
else
{
if (overlay->flags & OVERLAY_BLOCK_X_SEPARATION
|| overlay->image.width != 0)
overlay->flags &= ~OVERLAY_AUTO_X_SEPARATION;
}
strlcpy(conf_key + _len, "_auto_y_separation", sizeof(conf_key) - _len);
if (config_get_bool(conf, conf_key, &tmp_bool)
&& tmp_bool)
overlay->flags |= OVERLAY_AUTO_Y_SEPARATION;
else
overlay->flags &= ~OVERLAY_AUTO_Y_SEPARATION;
/* Check whether x/y separation are force disabled
* for this overlay */
strlcpy(conf_key + _len, "_block_x_separation", sizeof(conf_key) - _len);
if (config_get_bool(conf, conf_key, &tmp_bool)
&& tmp_bool)
overlay->flags |= OVERLAY_BLOCK_X_SEPARATION;
else
overlay->flags &= ~OVERLAY_BLOCK_X_SEPARATION;
strlcpy(conf_key + _len, "_block_y_separation", sizeof(conf_key) - _len);
if (config_get_bool(conf, conf_key, &tmp_bool)
&& tmp_bool)
overlay->flags |= OVERLAY_BLOCK_Y_SEPARATION;
else
overlay->flags &= ~OVERLAY_BLOCK_Y_SEPARATION;
}
return;
error:
task_set_cancelled(task, true);
loader->pos = 0;
loader->state = OVERLAY_STATUS_DEFERRED_ERROR;
}
static void task_overlay_free(retro_task_t *task)
{
unsigned i;
overlay_loader_t *loader = (overlay_loader_t*)task->state;
struct overlay *overlay = &loader->overlays[loader->pos];
if (loader->overlay_path)
free(loader->overlay_path);
if (task_get_cancelled(task))
{
for (i = 0; i < overlay->load_images_size; i++)
{
struct texture_image *ti = &overlay->load_images[i];
image_texture_free(ti);
}
for (i = 0; i < loader->size; i++)
input_overlay_free_overlay(&loader->overlays[i]);
free(loader->overlays);
}
if (loader->conf)
config_file_free(loader->conf);
free(loader);
}
static void task_overlay_handler(retro_task_t *task)
{
overlay_loader_t *loader = (overlay_loader_t*)task->state;
switch (loader->state)
{
case OVERLAY_STATUS_DEFERRED_LOADING:
task_overlay_deferred_loading(task);
break;
case OVERLAY_STATUS_DEFERRED_LOAD:
task_overlay_deferred_load(task);
break;
case OVERLAY_STATUS_DEFERRED_LOADING_RESOLVE:
task_overlay_resolve_iterate(task);
break;
case OVERLAY_STATUS_DEFERRED_ERROR:
task_set_cancelled(task, true);
break;
case OVERLAY_STATUS_DEFERRED_DONE:
default:
case OVERLAY_STATUS_NONE:
task_set_finished(task, true);
break;
}
if (task_get_finished(task) && !task_get_cancelled(task))
{
overlay_task_data_t *data = (overlay_task_data_t*)
calloc(1, sizeof(*data));
data->overlays = loader->overlays;
data->active = loader->active;
data->size = loader->size;
data->overlay_opacity = loader->overlay_opacity;
data->flags = loader->flags;
data->overlay_types = loader->overlay_types;
memcpy(&data->layout_desc, &loader->layout_desc,
sizeof(overlay_layout_desc_t));
task_set_data(task, data);
}
}
static bool task_overlay_finder(retro_task_t *task, void *user_data)
{
overlay_loader_t *loader = NULL;
if (!task || (task->handler != task_overlay_handler))
return false;
if (!user_data)
return false;
loader = (overlay_loader_t*)task->state;
if (!loader)
return false;
return string_is_equal(loader->overlay_path, (const char*)user_data);
}
bool task_push_overlay_load_default(
retro_task_callback_t cb,
const char *overlay_path,
bool overlay_hide_in_menu,
bool overlay_hide_when_gamepad_connected,
bool input_overlay_enable,
float input_overlay_opacity,
overlay_layout_desc_t *layout_desc,
void *user_data)
{
task_finder_data_t find_data;
retro_task_t *t = NULL;
config_file_t *conf = NULL;
overlay_loader_t *loader = NULL;
if (string_is_empty(overlay_path) || !layout_desc)
return false;
/* Prevent overlay from being loaded if it already is being loaded */
find_data.func = task_overlay_finder;
find_data.userdata = (void*)overlay_path;
if (task_queue_find(&find_data))
return false;
loader = (overlay_loader_t*)calloc(1, sizeof(*loader));
if (!loader)
return false;
if (!(conf = config_file_new_from_path_to_string(overlay_path)))
{
free(loader);
return false;
}
if (!config_get_uint(conf, "overlays", &loader->size))
{
/* Error - overlays varaible not defined in config. */
config_file_free(conf);
free(loader);
return false;
}
loader->overlays = (struct overlay*)
calloc(loader->size, sizeof(*loader->overlays));
if (!loader->overlays)
{
config_file_free(conf);
free(loader);
return false;
}
loader->overlay_opacity = input_overlay_opacity;
loader->conf = conf;
loader->state = OVERLAY_STATUS_DEFERRED_LOAD;
loader->pos_increment = (loader->size / 4) ? (loader->size / 4) : 4;
if (overlay_hide_in_menu)
loader->flags |= OVERLAY_LOADER_HIDE_IN_MENU;
if (overlay_hide_when_gamepad_connected)
loader->flags |= OVERLAY_LOADER_HIDE_WHEN_GAMEPAD_CONNECTED;
if (input_overlay_enable)
loader->flags |= OVERLAY_LOADER_ENABLE;
#ifdef RARCH_INTERNAL
if (video_driver_supports_rgba())
loader->flags |= OVERLAY_LOADER_RGBA_SUPPORT;
#endif
memcpy(&loader->layout_desc, layout_desc,
sizeof(overlay_layout_desc_t));
t = task_init();
if (!t)
{
config_file_free(conf);
free(loader->overlays);
free(loader);
return false;
}
loader->overlay_path = strdup(overlay_path);
t->handler = task_overlay_handler;
t->cleanup = task_overlay_free;
t->state = loader;
t->callback = cb;
t->user_data = user_data;
task_queue_push(t);
return true;
}
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