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.TH "al_use_shader" "3alleg5" "" "Allegro reference manual" ""
.hy
.SH NAME
.PP
al_use_shader - Allegro 5 API
.SH SYNOPSIS
.IP
.nf
\f[C]
#include <allegro5/allegro.h>

bool al_use_shader(ALLEGRO_SHADER *shader)
\f[R]
.fi
.SH DESCRIPTION
.PP
Uses the shader for subsequent drawing operations on the current target
bitmap.
Pass NULL to stop using any shader on the current target bitmap.
.PP
Returns true on success.
Otherwise returns false, e.g.\ because the shader is incompatible with
the target bitmap.
.SH SINCE
.PP
5.1.6
.SH SEE ALSO
.PP
al_destroy_shader(3alleg5), al_set_shader_sampler(3alleg5),
al_set_shader_matrix(3alleg5), al_set_shader_int(3alleg5),
al_set_shader_float(3alleg5), al_set_shader_bool(3alleg5),
al_set_shader_int_vector(3alleg5), al_set_shader_float_vector(3alleg5),
al_get_current_shader(3alleg5)