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fix pushcolors for displaytext (#21805)

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gemu 2024-07-20 08:20:19 +02:00 committed by GitHub
parent ebed3ded37
commit 00a00a3505
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GPG Key ID: B5690EEEBB952194
1 changed files with 12 additions and 4 deletions
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16
lib/lib_display/UDisplay/uDisplay.cpp
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@ -2213,7 +2213,7 @@ void uDisplay::pushColors(uint16_t *data, uint16_t len, boolean not_swapped) {
//Serial.printf("push %x - %d - %d - %d\n", (uint32_t)data, len, not_swapped, lvgl_param.data);
// Isolating _UDPS_RGB to increase code sharing
// Isolating _UDSP_RGB to increase code sharing
//
// LVGL documentation suggest to call the following:
// lv_draw_sw_rgb565_swap() to invert bytes
@ -2229,6 +2229,8 @@ void uDisplay::pushColors(uint16_t *data, uint16_t len, boolean not_swapped) {
// check that bytes count matches the size of area, and remove from inner loop
if ((seta_yp2 - seta_yp1) * (seta_xp2 - seta_xp2) > len) { return; }
uint16_t lenc = len;
if (cur_rot > 0) {
for (uint32_t y = seta_yp1; y < seta_yp2; y++) {
seta_yp1++;
@ -2236,13 +2238,14 @@ void uDisplay::pushColors(uint16_t *data, uint16_t len, boolean not_swapped) {
uint16_t color = *data++;
if (!not_swapped) { color = color << 8 | color >> 8; }
drawPixel_RGB(x, y, color);
len--;
if (!len) return; // failsafe - exist if len (pixel number) is exhausted
lenc--;
if (!lenc) return; // failsafe - exist if len (pixel number) is exhausted
}
}
} else {
uint16_t *fb_y = rgb_fb + (int32_t)seta_yp1 * _width;
for (uint32_t y = seta_yp1; y < seta_yp2; y++) {
seta_yp1++;
uint16_t * fb_xy = fb_y + seta_xp1;
// we get the 'not_swapped' test outside of the inner loop
if (not_swapped) {
@ -2250,6 +2253,8 @@ void uDisplay::pushColors(uint16_t *data, uint16_t len, boolean not_swapped) {
uint16_t color = *data++;
*fb_xy = color;
fb_xy++;
lenc--;
if (!lenc) goto update_cache; // failsafe - exist if len (pixel number) is exhausted
}
} else {
for (uint32_t x = seta_xp1; x < seta_xp2; x++) {
@ -2257,14 +2262,17 @@ void uDisplay::pushColors(uint16_t *data, uint16_t len, boolean not_swapped) {
color = color << 8 | color >> 8;
*fb_xy = color;
fb_xy++;
lenc--;
if (!lenc) goto update_cache; // failsafe - exist if len (pixel number) is exhausted
}
}
fb_y += _width;
}
// using esp_cache_msync() to flush the PSRAM cache and ensure that all data is actually written to PSRAM
// from https://github.com/espressif/esp-idf/blob/636ff35b52f10e1a804a3760a5bd94e68f4b1b71/components/esp_lcd/rgb/esp_lcd_panel_rgb.c#L159
update_cache:
uint16_t * flush_ptr = rgb_fb + (int32_t)seta_yp1 * _width;
esp_cache_msync(flush_ptr, (seta_yp2 - seta_yp1) * _width * 2, 0);
esp_cache_msync(flush_ptr, len * 2, 0);
}
#endif
return;