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Espressif Systems /ESP32-P4 /PPA /BLEND_FIX_ALPHA

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Interpret as BLEND_FIX_ALPHA

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31 2827 2423 2019 1615 1211 87 43 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0BLEND0_RX_FIX_ALPHA 0BLEND1_RX_FIX_ALPHA 0BLEND0_RX_ALPHA_MOD 0BLEND1_RX_ALPHA_MOD 0 (BLEND0_RX_ALPHA_INV)BLEND0_RX_ALPHA_INV 0 (BLEND1_RX_ALPHA_INV)BLEND1_RX_ALPHA_INV

Description

Blending engine alpha override register

Fields

BLEND0_RX_FIX_ALPHA

The value would replace the alpha value in received pixel for background plane of blender when PPA_BLEND0_RX_ALPHA_CONF_EN is enabled.
BLEND1_RX_FIX_ALPHA

The value would replace the alpha value in received pixel for foreground plane of blender when PPA_BLEND1_RX_ALPHA_CONF_EN is enabled.
BLEND0_RX_ALPHA_MOD

Alpha mode. 0/3: not replace alpha. 1: replace alpha with PPA_SR_FIX_ALPHA. 2: Original alpha multiply with PPA_SR_FIX_ALPHA/256.
BLEND1_RX_ALPHA_MOD

Alpha mode. 0/3: not replace alpha. 1: replace alpha with PPA_SR_FIX_ALPHA. 2: Original alpha multiply with PPA_SR_FIX_ALPHA/256.
BLEND0_RX_ALPHA_INV

Set this bit to invert the original alpha value. When RX color mode is RGB565/RGB88. The original alpha value is 255.
BLEND1_RX_ALPHA_INV

Set this bit to invert the original alpha value. When RX color mode is RGB565/RGB88. The original alpha value is 255.

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Register License

Copyright 2024 Espressif Systems (Shanghai) PTE LTD

Licensed under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

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Register Reference

https://github.com/espressif/svd