C++ (Cpp) HARDWARE_IS_DEVICE_FORMAT示例

示例#1

bool Layer::getOpacityForFormat(uint32_t format)
{
    if (HARDWARE_IS_DEVICE_FORMAT(format)) {
        return true;
    }
    PixelFormatInfo info;
    status_t err = getPixelFormatInfo(PixelFormat(format), &info);
    // in case of error (unknown format), we assume no blending
    return (err || info.h_alpha <= info.l_alpha);
}

示例#2

文件： Layer.cpp 项目： trebon-chocodot/android_frameworks_native

bool Layer::getOpacityForFormat(uint32_t format) {
    if (HARDWARE_IS_DEVICE_FORMAT(format)) {
        return true;
    }
    switch (format) {
        case HAL_PIXEL_FORMAT_RGBA_8888:
        case HAL_PIXEL_FORMAT_BGRA_8888:
        case HAL_PIXEL_FORMAT_sRGB_A_8888:
            return false;
    }
    // in all other case, we have no blending (also for unknown formats)
    return true;
}