formZ SDK | 4.0 Call Back Reference | RenderZone Shader

# fz_shdr_cbak_trns_pixel

Description

Transparency shader main function (Required). It is expected to compute the transparency of a pixel. It is called by formZ at least once for each pixel.

Plugin Prototype

double fz_shdr_cbak_trns_pixel(

void * | shdr_data )

Parameters

shdr_data [Input]

Shader data. This is the pointer which was returned to formZ by the fz_shdr_cbak_trns_pre_render API callback function. It allows the plugin to pass data from the initialization stage to this function. Typically, this is information, which is precomputed once at rendering start.

Returns

The Transparency of the pixel.

Availability

5.0.0.0

Example Files

sine_wave.fsl

See Also

fz_shdr_cbak_trns_pre_render, fz_shdr_cbak_trns_post_render

Function Set

fz_shdr_cbak_trns_fset

Defined in

fz_rzne_shdr_api.h