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feat(mipi_dsi): round to boundary when draw pixel

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morris
2024-05-08 16:31:51 +08:00
parent c706096f45
commit b9f15ba3ab
6 changed files with 16 additions and 9 deletions
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components/esp_lcd/dsi/esp_lcd_panel_dpi.c
+9
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@@ -3,6 +3,7 @@
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <sys/param.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/semphr.h"
@@ -417,6 +418,14 @@ static esp_err_t dpi_panel_draw_bitmap(esp_lcd_panel_t *panel, int x_start, int
size_t frame_buffer_size = dpi_panel->frame_buffer_size;
size_t bytes_per_pixel = dpi_panel->bytes_per_pixel;
// clip to boundaries
int h_res = dpi_panel->h_pixels;
int v_res = dpi_panel->v_pixels;
x_start = MAX(x_start, 0);
x_end = MIN(x_end, h_res);
y_start = MAX(y_start, 0);
y_end = MIN(y_end, v_res);
bool do_copy = false;
uint8_t draw_buf_fb_index = 0;
// check if the user draw buffer resides in any frame buffer's memory range