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hw/display: Fix mirrored output in dm163

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DM163 is an emulated 8x8 LED matrix. This commit flips the image
horizontally so it's rendered the same way as on the hardware.

Signed-off-by: Inès Varhol <ines.varhol@telecom-paris.fr>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
Inès Varhol 2024-09-15 14:57:00 +02:00 committed by Michael Tokarev
parent 26111a30ad
commit d524be28c5
1 changed files with 1 additions and 1 deletions
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hw/display/dm163.c
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@ -271,7 +271,7 @@ static uint32_t *update_display_of_row(DM163State *s, uint32_t *dest,
unsigned row)
{
for (unsigned _ = 0; _ < LED_SQUARE_SIZE; _++) {
for (int x = 0; x < RGB_MATRIX_NUM_COLS * LED_SQUARE_SIZE; x++) {
for (int x = RGB_MATRIX_NUM_COLS * LED_SQUARE_SIZE - 1; x >= 0; x--) {
/* UI layer guarantees that there's 32 bits per pixel (Mar 2024) */
*dest++ = s->buffer[s->buffer_idx_of_row[row]][x / LED_SQUARE_SIZE];
}