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546d45969612960ea57bf1fd1ce24ac6577f359d
Anemone3DS/source/loading.c
Théo B 546d459696 Performance Improvements 
Pass theme list & its entries around by reference rather than copying them.
Fix bug in async icon loading that caused icons to be loaded multiple times.

Original PR by @LiquidFenrir
2024-05-10 17:43:47 -04:00

495 lines
17 KiB
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/*
* This file is part of Anemone3DS
* Copyright (C) 2016-2020 Contributors in CONTRIBUTORS.md
*
* This program 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 Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*
* Additional Terms 7.b and 7.c of GPLv3 apply to this file:
* * Requiring preservation of specified reasonable legal notices or
* author attributions in that material or in the Appropriate Legal
* Notices displayed by works containing it.
* * Prohibiting misrepresentation of the origin of that material,
* or requiring that modified versions of such material be marked in
* reasonable ways as different from the original version.
*/
#include "loading.h"
#include "fs.h"
#include "unicode.h"
#include "music.h"
#include "draw.h"
#include "conversion.h"
#include <png.h>
void copy_texture_data(C3D_Tex * texture, const u16 * src, const Entry_Icon_s * current_icon)
{
// pointer to rgb565, offset by the number of rows and columns specified by current_icon
// (reminder that this is z order curve storage)
u16 * dest = ((u16 *)texture->data) + (current_icon->y * texture->width) + (current_icon->x * 8);
for (int j = 0; j < 48; j += 8)
{
memcpy(dest, src, 48 * 8 * sizeof(u16));
src += 48 * 8;
dest += texture->width * 8;
}
GSPGPU_InvalidateDataCache(texture->data, texture->size);
}
void parse_smdh(Icon_s * icon, Entry_s * entry, const u16 * fallback_name)
{
if(icon == NULL)
{
memcpy(entry->name, fallback_name, 0x80);
utf8_to_utf16(entry->desc, (u8 *)"No description", 0x100);
utf8_to_utf16(entry->author, (u8 *)"Unknown author", 0x80);
entry->placeholder_color = C2D_Color32(rand() % 255, rand() % 255, rand() % 255, 255);
return;
}
memcpy(entry->name, icon->name, 0x40 * sizeof(u16));
memcpy(entry->desc, icon->desc, 0x80 * sizeof(u16));
memcpy(entry->author, icon->author, 0x40 * sizeof(u16));
entry->placeholder_color = 0;
}
static Icon_s * load_entry_icon(const Entry_s * entry)
{
char * info_buffer = NULL;
u32 size = load_data("/info.smdh", entry, &info_buffer);
if(size != sizeof(Icon_s))
{
free(info_buffer);
return NULL;
}
return (Icon_s *)info_buffer;
}
void load_icons_first(Entry_List_s * list, bool silent)
{
if(list == NULL || list->entries == NULL) return;
if(!silent)
draw_install(INSTALL_LOADING_ICONS);
int starti = 0, endi = 0;
if(list->entries_count <= list->entries_loaded * ICONS_OFFSET_AMOUNT)
{
DEBUG("small load\n");
// if the list is one that doesnt need swapping, load everything at once
endi = list->entries_count;
}
else
{
DEBUG("extended load\n");
// otherwise, load around to prepare for swapping
starti = list->scroll - list->entries_loaded * ICONS_VISIBLE;
endi = starti + list->entries_loaded * ICONS_OFFSET_AMOUNT;
}
for(int entry_i = starti, icon_i = 0; entry_i < endi; ++entry_i, ++icon_i)
{
if(!silent)
draw_loading_bar(icon_i, endi-starti, INSTALL_LOADING_ICONS);
int offset = entry_i;
if(offset < 0)
offset += list->entries_count;
if(offset >= list->entries_count)
offset -= list->entries_count;
Entry_s * const current_entry = &list->entries[offset];
Icon_s * const smdh = load_entry_icon(current_entry);
if(smdh != NULL)
{
if(current_entry->placeholder_color == 0)
parse_smdh(smdh, current_entry, current_entry->path + strlen(list->loading_path));
copy_texture_data(&list->icons_texture, smdh->big_icon, &list->icons_info[icon_i]);
free(smdh);
}
}
}
static void reverse(Entry_Icon_s a[], int sz) {
int i, j;
Entry_Icon_s tmp;
for (i = 0, j = sz; i < j; i++, j--) {
memcpy(&tmp, &a[i], sizeof(Entry_Icon_s));
memcpy(&a[i], &a[j], sizeof(Entry_Icon_s));
memcpy(&a[j], &tmp, sizeof(Entry_Icon_s));
}
}
static void rotate(Entry_Icon_s array[], int size, int amt) {
if (amt < 0)
amt = size + amt;
reverse(array, size-amt-1);
reverse(array+size-amt, amt-1);
reverse(array, size-1);
}
void handle_scrolling(Entry_List_s * list)
{
// Scroll the menu up or down if the selected theme is out of its bounds
//----------------------------------------------------------------
if(list->entries_count > list->entries_loaded)
{
for(int i = 0; i < list->entries_count; i++)
{
int change = 0;
if(list->entries_count > list->entries_loaded * 2 && list->previous_scroll < list->entries_loaded && list->selected_entry >= list->entries_count - list->entries_loaded)
{
list->scroll = list->entries_count - list->entries_loaded;
}
else if(list->entries_count > list->entries_loaded * 2 && list->selected_entry < list->entries_loaded && list->previous_selected >= list->entries_count - list->entries_loaded)
{
list->scroll = 0;
}
else if(list->selected_entry == list->previous_selected+1 && list->selected_entry == list->scroll+list->entries_loaded)
{
change = 1;
}
else if(list->selected_entry == list->previous_selected-1 && list->selected_entry == list->scroll-1)
{
change = -1;
}
else if(list->selected_entry == list->previous_selected+list->entries_loaded || list->selected_entry >= list->scroll + list->entries_loaded)
{
change = list->entries_loaded;
}
else if(list->selected_entry == list->previous_selected-list->entries_loaded || list->selected_entry < list->scroll)
{
change = -list->entries_loaded;
}
list->scroll += change;
if(list->scroll < 0)
list->scroll = 0;
else if(list->scroll > list->entries_count - list->entries_loaded)
list->scroll = list->entries_count - list->entries_loaded;
if(!change)
list->previous_selected = list->selected_entry;
else
list->previous_selected += change;
}
}
//----------------------------------------------------------------
}
static bool load_icons(Entry_List_s * current_list, Handle mutex)
{
if(current_list == NULL || current_list->entries == NULL)
return false;
handle_scrolling(current_list);
if(current_list->entries_count <= current_list->entries_loaded * ICONS_OFFSET_AMOUNT || current_list->previous_scroll == current_list->scroll)
return false; // return if the list is one that doesnt need swapping, or if nothing changed
#define SIGN(x) (x > 0 ? 1 : ((x < 0) ? -1 : 0))
int delta = current_list->scroll - current_list->previous_scroll;
if(abs(delta) >= current_list->entries_count - current_list->entries_loaded * (ICONS_OFFSET_AMOUNT-1))
delta = -SIGN(delta) * (current_list->entries_count - abs(delta));
int starti = current_list->scroll;
int endi = starti + abs(delta);
if(delta < 0)
{
endi -= abs(delta) + 1;
starti += abs(delta) - 1;
}
int ctr = 0;
Entry_s ** const entries = calloc(abs(delta), sizeof(Entry_s *));
int * const indexes = calloc(abs(delta), sizeof(int));
bool released = false;
Entry_Icon_s * const icons = current_list->icons_info;
for(int i = starti; i != endi; i++, ctr++)
{
int index = 0;
int offset = i;
rotate(icons, ICONS_OFFSET_AMOUNT * current_list->entries_loaded, -SIGN(delta));
if(delta > 0)
{
index = current_list->entries_loaded * ICONS_OFFSET_AMOUNT - delta + i - starti;
offset += current_list->entries_loaded * ICONS_UNDER - delta;
}
else
{
index = 0 - delta - 1 + i - starti;
offset -= current_list->entries_loaded * ICONS_VISIBLE;
i -= 2; //i-- twice to counter the i++, needed only for this case
}
if(offset < 0)
offset += current_list->entries_count;
if(offset >= current_list->entries_count)
offset -= current_list->entries_count;
entries[ctr] = &current_list->entries[offset];
indexes[ctr] = index;
}
#undef SIGN
if(abs(delta) <= current_list->entries_loaded)
{
svcReleaseMutex(mutex);
released = true;
}
svcSleepThread(1e7);
starti = 0;
endi = abs(delta);
for(int i = starti; i < endi; i++)
{
Entry_s * const current_entry = entries[i];
const int index = indexes[i];
const Entry_Icon_s * const current_icon = &icons[index];
Icon_s * const smdh = load_entry_icon(current_entry);
if(smdh != NULL)
{
if(current_entry->placeholder_color == 0)
parse_smdh(smdh, current_entry, current_entry->path + strlen(current_list->loading_path));
copy_texture_data(&current_list->icons_texture, smdh->big_icon, current_icon);
free(smdh);
}
if(!released && i > endi/2)
{
svcReleaseMutex(mutex);
released = true;
}
}
free(entries);
free(indexes);
current_list->previous_scroll = current_list->scroll;
return released;
}
void load_icons_thread(void * void_arg)
{
Thread_Arg_s * arg = (Thread_Arg_s *)void_arg;
Handle mutex = *(Handle *)arg->thread_arg[1];
do {
svcWaitSynchronization(mutex, U64_MAX);
Entry_List_s * const current_list = *(Entry_List_s ** volatile)arg->thread_arg[0];
const bool released = load_icons(current_list, mutex);
if(!released)
svcReleaseMutex(mutex);
} while(arg->run_thread);
}
bool load_preview_from_buffer(char * row_pointers, u32 size, C2D_Image * preview_image, int * preview_offset)
{
int height = SCREEN_HEIGHT * 2;
int width = (uint32_t)((size / 4) / height);
free_preview(*preview_image);
C3D_Tex * tex = malloc(sizeof(C3D_Tex));
preview_image->tex = tex;
Tex3DS_SubTexture * subt3x = malloc(sizeof(Tex3DS_SubTexture));
subt3x->width = width;
subt3x->height = height;
subt3x->left = 0.0f;
subt3x->top = 1.0f;
subt3x->right = width/512.0f;
subt3x->bottom = 1.0-(height/512.0f);
preview_image->subtex = subt3x;
C3D_TexInit(preview_image->tex, 512, 512, GPU_RGBA8);
memset(preview_image->tex->data, 0, preview_image->tex->size);
for(int j = 0; j < height; j++) {
png_bytep row = (png_bytep)(row_pointers + (width * 4 * j));
for(int i = 0; i < width; i++) {
png_bytep px = &(row[i * 4]);
u32 dst = ((((j >> 3) * (512 >> 3) + (i >> 3)) << 6) + ((i & 1) | ((j & 1) << 1) | ((i & 2) << 1) | ((j & 2) << 2) | ((i & 4) << 2) | ((j & 4) << 3))) * 4;
memcpy(preview_image->tex->data + dst, px, sizeof(u32));
}
}
*preview_offset = (width - TOP_SCREEN_WIDTH) / 2;
return true;
}
static u16 previous_path_preview[0x106] = {0};
bool load_preview(const Entry_List_s * list, C2D_Image * preview_image, int * preview_offset)
{
if(list->entries == NULL) return false;
const Entry_s * entry = &list->entries[list->selected_entry];
if(!memcmp(&previous_path_preview, &entry->path, 0x106 * sizeof(u16))) return true;
char * preview_buffer = NULL;
u32 size = load_data("/preview.png", entry, &preview_buffer);
if(size)
{
if (!(size = png_to_abgr(&preview_buffer, size)))
{
return false;
}
}
else
{
free(preview_buffer);
const int top_size = TOP_SCREEN_WIDTH * SCREEN_HEIGHT * SCREEN_COLOR_DEPTH;
const int out_size = top_size * 2;
char * rgba_buffer = malloc(out_size);
memset(rgba_buffer, 0, out_size);
bool found_splash = false;
// try to assembly a preview from the splash screens
size = load_data("/splash.bin", entry, &preview_buffer);
if (size)
{
found_splash = true;
bin_to_abgr(&preview_buffer, size);
memcpy(rgba_buffer, preview_buffer, top_size);
free(preview_buffer);
}
size = load_data("/splashbottom.bin", entry, &preview_buffer);
if (size)
{
found_splash = true;
bin_to_abgr(&preview_buffer, size);
const int buffer_width = TOP_SCREEN_WIDTH * SCREEN_COLOR_DEPTH;
const int bottom_buffer_width = BOTTOM_SCREEN_WIDTH * SCREEN_COLOR_DEPTH;
const int bottom_centered_offset = (TOP_SCREEN_WIDTH - BOTTOM_SCREEN_WIDTH) / 2;
// Store the bottom splash screen under the top splash and centered
for (int i = 0; i < SCREEN_HEIGHT; ++i)
memcpy(
rgba_buffer + top_size + (buffer_width * i) + (bottom_centered_offset * SCREEN_COLOR_DEPTH),
preview_buffer + (bottom_buffer_width * i),
bottom_buffer_width
);
free(preview_buffer);
}
if (!found_splash)
{
free(rgba_buffer);
throw_error("No preview found.", ERROR_LEVEL_WARNING);
return false;
}
size = out_size;
preview_buffer = rgba_buffer;
}
bool ret = load_preview_from_buffer(preview_buffer, size, preview_image, preview_offset);
free(preview_buffer);
if(ret)
{
// mark the new preview as loaded for optimisation
memcpy(&previous_path_preview, &entry->path, 0x106 * sizeof(u16));
}
return ret;
}
void free_preview(C2D_Image preview)
{
if(preview.tex)
C3D_TexDelete(preview.tex);
free(preview.tex);
free((Tex3DS_SubTexture *)preview.subtex);
}
// Initialize the audio struct
Result load_audio(const Entry_s * entry, audio_s * audio)
{
audio->filesize = load_data("/bgm.ogg", entry, &audio->filebuf);
if (audio->filesize == 0) {
free(audio);
DEBUG("<load_audio> File not found!\n");
return MAKERESULT(RL_FATAL, RS_NOTFOUND, RM_APPLICATION, RD_NOT_FOUND);
}
audio->mix[0] = audio->mix[1] = 1.0f; // Determines volume for the 12 (?) different outputs. See http://smealum.github.io/ctrulib/channel_8h.html#a30eb26f1972cc3ec28370263796c0444
ndspChnSetInterp(0, NDSP_INTERP_LINEAR);
ndspChnSetMix(0, audio->mix); // See mix comment above
FILE * file = fmemopen(audio->filebuf, audio->filesize, "rb");
DEBUG("<load_audio> Filesize: %ld\n", audio->filesize);
if(file != NULL)
{
int e = ov_open(file, &audio->vf, NULL, 0);
if (e < 0)
{
DEBUG("<load_audio> Vorbis: %d\n", e);
free(audio->filebuf);
free(audio);
fclose(file);
return MAKERESULT(RL_FATAL, RS_INVALIDARG, RM_APPLICATION, RD_NO_DATA);
}
vorbis_info * vi = ov_info(&audio->vf, -1);
ndspChnSetRate(0, vi->rate);// Set sample rate to what's read from the ogg file
if (vi->channels == 2) {
DEBUG("<load_audio> Using stereo\n");
ndspChnSetFormat(0, NDSP_FORMAT_STEREO_PCM16); // 2 channels == Stereo
} else {
DEBUG("<load_audio> Invalid number of channels\n");
free(audio->filebuf);
free(audio);
fclose(file);
return MAKERESULT(RL_FATAL, RS_INVALIDARG, RM_APPLICATION, RD_NO_DATA);
}
audio->wave_buf[0].nsamples = audio->wave_buf[1].nsamples = vi->rate / 4; // 4 bytes per sample, samples = rate (bytes) / 4
audio->wave_buf[0].status = audio->wave_buf[1].status = NDSP_WBUF_DONE; // Used in play to stop from writing to current buffer
audio->wave_buf[0].data_vaddr = linearAlloc(BUF_TO_READ); // Most vorbis packets should only be 4 KB at most (?) Possibly dangerous assumption
audio->wave_buf[1].data_vaddr = linearAlloc(BUF_TO_READ);
DEBUG("<load_audio> Success!\n");
return MAKERESULT(RL_SUCCESS, RS_SUCCESS, RM_APPLICATION, RD_SUCCESS);
} else {
free(audio->filebuf);
free(audio);
DEBUG("<load_audio> fmemopen failed!\n");
return MAKERESULT(RL_FATAL, RS_NOTFOUND, RM_APPLICATION, RD_NOT_FOUND);
}
}
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