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

typedef struct ALLEGRO_SHADER ALLEGRO_SHADER;
\f[R]
.fi
.SH DESCRIPTION
.PP
An ALLEGRO_SHADER(3alleg5) is a program that runs on the GPU.
It combines both a vertex and a pixel shader.
(In OpenGL terms, an ALLEGRO_SHADER(3alleg5) is actually a
\f[I]program\f[R] which has one or more \f[I]shaders\f[R] attached.
This can be confusing.)
.PP
The source code for the underlying vertex or pixel shader can be
provided either as GLSL or HLSL, depending on the value of
ALLEGRO_SHADER_PLATFORM(3alleg5) used when creating it.
.SH SINCE
.PP
5.1.0