#include <mbgl/shader/collision_box_shader.hpp>
#include <mbgl/shader/collisionbox.vertex.hpp>
#include <mbgl/shader/collisionbox.fragment.hpp>
#include <mbgl/gl/gl.hpp>

namespace mbgl {

CollisionBoxShader::CollisionBoxShader(gl::ObjectStore& store)
    : Shader(shaders::collisionbox::name,
             shaders::collisionbox::vertex,
             shaders::collisionbox::fragment,
             store) {
}

void CollisionBoxShader::bind(GLbyte *offset) {
    const GLint stride = 12;

    MBGL_CHECK_ERROR(glEnableVertexAttribArray(a_pos));
    MBGL_CHECK_ERROR(glVertexAttribPointer(a_pos, 2, GL_SHORT, false, stride, offset + 0));

    MBGL_CHECK_ERROR(glEnableVertexAttribArray(a_extrude));
    MBGL_CHECK_ERROR(glVertexAttribPointer(a_extrude, 2, GL_SHORT, false, stride, offset + 4));

    MBGL_CHECK_ERROR(glEnableVertexAttribArray(a_data));
    MBGL_CHECK_ERROR(glVertexAttribPointer(a_data, 2, GL_UNSIGNED_BYTE, false, stride, offset + 8));
}

} // namespace mbgl