combine2_fs.glsl

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/**
 * @file
 * @brief combine2 fragment shader.
 */

#ifndef glsl110
   /** After glsl1110 this need to be explicitly declared; used by fixed functionality at the end of the OpenGL pipeline.*/
   out vec4 gl_FragColor;
#endif

uniform sampler2D SAMPLER0;
uniform sampler2D SAMPLER1;
uniform vec4 DEFAULTCOLOR;

void main(void) {
   vec4 color1 = texture2D(SAMPLER0, gl_TexCoord[0].st);
   vec4 color2 = texture2D(SAMPLER1, gl_TexCoord[0].st);
   gl_FragColor = color1 + color2 + DEFAULTCOLOR;
}