Radeon ProRender

Linear Tone Mapping Filter

Filter

RIF_IMAGE_FILTER_LINEAR_TONEMAP

Description

A simple tone mapping algorithm. Multiplies values of pixels by a constant.

Parameters

Parameter Type Input/Output Description
key float input Linear coefficient by which the brightness of the image is multiplied.
Value range is [0, 1e+4f], default value is 1.

Usage Example

rif_image_filter filter = nullptr;
rifContextCreateImageFilter(context, RIF_IMAGE_FILTER_LINEAR_TONEMAP, &filter);
rifImageFilterSetParameter1f(filter, "key", 0.5f);
rifCommandQueueAttachImageFilter(queue, filter, inputImage, outputImage);
rifContextExecuteCommandQueue(context, queue, nullptr, nullptr, nullptr);