instancing/shaders/instanced_mat4.vs


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#version 330 core
layout(location = 0) in vec3 apos;
layout(location = 2) in vec2 atex_coords;
layout(location = 3) in mat4 instance_matrix;

out vec2 tex_coords;

uniform mat4 projection;
uniform mat4 view;

void
main(void)
{
    tex_coords = atex_coords;
    gl_Position = projection*view*instance_matrix*vec4(apos, 1.0f);
}