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fix(ppa): fix hang if blend operation on a YUV format input background image

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Closes https://github.com/espressif/esp-idf/issues/18687
This commit is contained in:
Song Ruo Jing
2026-06-10 20:36:07 +08:00
parent 17e6f6952d
commit 9922d70cb5
5 changed files with 108 additions and 11 deletions
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components/esp_driver_ppa/src/ppa_blend.c
+2
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@@ -152,6 +152,8 @@ bool ppa_blend_transaction_on_picked(uint32_t num_chans, const dma2d_trans_chann
ppa_ll_blend_set_tx_yuv_range(platform->hal.dev, blend_trans_desc->out.yuv_range);
ppa_ll_blend_set_tx_rgb2yuv_std(platform->hal.dev, blend_trans_desc->out.yuv_std);
}
// For YUV420/YUV422 background input and output, blend_tx_size.blend_hb/vb must be set to make the Blending engine and 2D-DMA work properly
ppa_ll_blend_set_block_size(platform->hal.dev, blend_trans_desc->in_bg.block_w, blend_trans_desc->in_bg.block_h); // in_bg.block_w == in_fg.block_w && in_bg.block_h == in_fg.block_h
// Color keying
color_pixel_rgb888_data_t rgb888_min = {.b = 0x00, .g = 0x00, .r = 0x00};
components/esp_driver_ppa/src/ppa_fill.c
+2 -1
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@@ -74,8 +74,9 @@ bool ppa_fill_transaction_on_picked(uint32_t num_chans, const dma2d_trans_channe
dma2d_start(dma2d_rx_chan);
// Configure PPA Blending engine
ppa_ll_blend_configure_filling_block(platform->hal.dev, fill_trans_desc->out.fill_cm, (void *)&fill_trans_desc->fill_color_val, fill_trans_desc->fill_block_w, fill_trans_desc->fill_block_h);
ppa_ll_blend_configure_filling_block_color(platform->hal.dev, fill_trans_desc->out.fill_cm, (void *)&fill_trans_desc->fill_color_val);
ppa_ll_blend_set_tx_color_mode(platform->hal.dev, fill_trans_desc->out.fill_cm);
ppa_ll_blend_set_block_size(platform->hal.dev, fill_trans_desc->fill_block_w, fill_trans_desc->fill_block_h);
ppa_ll_blend_start(platform->hal.dev, PPA_LL_BLEND_TRANS_MODE_FILL);