mirror
/
PicoDVI
kopia lustrzana https://github.com/Wren6991/PicoDVI
1
0
Forkuj 0
Kod Zgłoszenia Projekty Wydania Wiki Aktywność

Don't allocate RGB table in scratch RAM when doing paletted encode

pull/11/head
Luke Wren 2021-03-09 19:16:08 +00:00
rodzic 486888133f
commit cb56252a0b
1 zmienionych plików z 16 dodań i 8 usunięć
Pokaż statystyki Ściągnij plik aktualizacji Ściągnij plik porównania Expand all files Collapse all files

24
software/libdvi/tmds_encode.c
Wyświetl plik

@ -7,11 +7,19 @@ static const uint32_t __scratch_x("tmds_table") tmds_table[] = {
#include "tmds_table.h"
};
uint32_t __scratch_x("tmds_table_fullres") tmds_table_fullres_x[] = {
// Fullres table is bandwidth-critical, so gets one copy for each scratch
// memory. There is a third copy which can go in flash, because it's just used
// to generate palette LUTs. The ones we don't use will get garbage collected
// during linking.
const uint32_t __scratch_x("tmds_table_fullres_x") tmds_table_fullres_x[] = {
#include "tmds_table_fullres.h"
};
uint32_t __scratch_y("tmds_table_fullres") tmds_table_fullres_y[] = {
const uint32_t __scratch_y("tmds_table_fullres_y") tmds_table_fullres_y[] = {
#include "tmds_table_fullres.h"
};
const uint32_t tmds_table_fullres_noncritical[] = {
#include "tmds_table_fullres.h"
};
@ -175,12 +183,12 @@ void tmds_setup_palette_symbols(const uint16_t *palette, uint32_t *tmds_palette,
uint16_t blue = (palette[i] << 1) & 0x3e;
uint16_t green = (palette[i] >> 5) & 0x3f;
uint16_t red = (palette[i] >> 10) & 0x3e;
tmds_palette_blue[i] = tmds_table_fullres_x[blue];
tmds_palette_blue[i + n_palette] = tmds_table_fullres_x[64 + blue];
tmds_palette_green[i] = tmds_table_fullres_x[green];
tmds_palette_green[i + n_palette] = tmds_table_fullres_x[64 + green];
tmds_palette_red[i] = tmds_table_fullres_x[red];
tmds_palette_red[i + n_palette] = tmds_table_fullres_x[64 + red];
tmds_palette_blue[i] = tmds_table_fullres_noncritical[blue];
tmds_palette_blue[i + n_palette] = tmds_table_fullres_noncritical[64 + blue];
tmds_palette_green[i] = tmds_table_fullres_noncritical[green];
tmds_palette_green[i + n_palette] = tmds_table_fullres_noncritical[64 + green];
tmds_palette_red[i] = tmds_table_fullres_noncritical[red];
tmds_palette_red[i + n_palette] = tmds_table_fullres_noncritical[64 + red];
}
}