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feat(lcd): support draw bitmap hook function

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Closes https://github.com/espressif/esp-idf/issues/16201
This commit is contained in:
Chen Jichang
2025-12-05 15:44:38 +08:00
parent c467c91773
commit 1e190ccd74
20 changed files with 678 additions and 80 deletions
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components/esp_lcd/src/esp_async_fbcpy.c
+8 -1
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2023-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -188,6 +188,13 @@ esp_err_t esp_async_fbcpy(esp_async_fbcpy_handle_t mcp, esp_async_fbcpy_trans_de
mcp->memcpy_done_cb = memcpy_done_cb;
mcp->cb_args = cb_args;
// write back the user's draw buffer, so that the DMA can see the correct data
// Note, the user src buffer may not be contiguous, writeback from the head to the tail anyways
size_t bits_per_pixel = color_hal_pixel_format_fourcc_get_bit_depth(transaction->pixel_format_fourcc_id);
size_t copy_head = (transaction->src_offset_x + transaction->src_offset_y * transaction->src_buffer_size_x) * bits_per_pixel / 8;
size_t copy_size = (transaction->copy_size_x + transaction->copy_size_y * transaction->src_buffer_size_x) * bits_per_pixel / 8;
ESP_RETURN_ON_ERROR(esp_cache_msync((void *)transaction->src_buffer + copy_head, copy_size, ESP_CACHE_MSYNC_FLAG_DIR_C2M | ESP_CACHE_MSYNC_FLAG_UNALIGNED), TAG, "writeback draw buffer failed");
// mount the data to the DMA descriptor
async_memcpy_setup_dma2d_descriptor(mcp, transaction);
components/esp_lcd/src/esp_lcd_panel_ops.c
+11 -1
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2021-2024 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2021-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -37,6 +37,16 @@ esp_err_t esp_lcd_panel_draw_bitmap(esp_lcd_panel_handle_t panel, int x_start, i
return panel->draw_bitmap(panel, x_start, y_start, x_end, y_end, color_data);
}
esp_err_t esp_lcd_panel_draw_bitmap_2d(esp_lcd_panel_handle_t panel, int x_start, int y_start, int x_end, int y_end,
const void *color_data, size_t src_x_size, size_t src_y_size, int src_x_start, int src_y_start, int src_x_end, int src_y_end)
{
ESP_RETURN_ON_FALSE(panel, ESP_ERR_INVALID_ARG, TAG, "invalid panel handle");
ESP_RETURN_ON_FALSE(panel->draw_bitmap_2d, ESP_ERR_NOT_SUPPORTED, TAG, "draw_bitmap_2d is not supported by this panel");
ESP_RETURN_ON_FALSE((x_start < x_end) && (y_start < y_end), ESP_ERR_INVALID_ARG, TAG, "start position must be smaller than end position");
ESP_RETURN_ON_FALSE((src_x_start < src_x_end) && (src_y_start < src_y_end), ESP_ERR_INVALID_ARG, TAG, "source start position must be smaller than end position");
return panel->draw_bitmap_2d(panel, x_start, y_start, x_end, y_end, color_data, src_x_size, src_y_size, src_x_start, src_y_start, src_x_end, src_y_end);
}
esp_err_t esp_lcd_panel_mirror(esp_lcd_panel_handle_t panel, bool mirror_x, bool mirror_y)
{
ESP_RETURN_ON_FALSE(panel, ESP_ERR_INVALID_ARG, TAG, "invalid panel handle");