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38 lines
1.1 KiB
38 lines
1.1 KiB
#ifndef IGL_OPENGL_READ_PIXELS_H
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#define IGL_OPENGL_READ_PIXELS_H
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#include "../igl_inline.h"
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#include "gl.h"
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#include <Eigen/Core>
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namespace igl
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{
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namespace opengl
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{
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/// Read full viewport into color, alpha and depth arrays suitable for
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/// igl::png::writePNG
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///
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/// @param[in] width width of viewport
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/// @param[in] height height of viewport
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/// @param[out] R width by height list of red values
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/// @param[out] G width by height list of green values
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/// @param[out] B width by height list of blue values
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/// @param[out] A width by height list of alpha values
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/// @param[out] D width by height list of depth values
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template <typename T>
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IGL_INLINE void read_pixels(
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const GLuint width,
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const GLuint height,
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Eigen::Matrix<T,Eigen::Dynamic,Eigen::Dynamic> & R,
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Eigen::Matrix<T,Eigen::Dynamic,Eigen::Dynamic> & G,
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Eigen::Matrix<T,Eigen::Dynamic,Eigen::Dynamic> & B,
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Eigen::Matrix<T,Eigen::Dynamic,Eigen::Dynamic> & A,
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Eigen::Matrix<T,Eigen::Dynamic,Eigen::Dynamic> & D);
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}
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}
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#ifndef IGL_STATIC_LIBRARY
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#include "read_pixels.cpp"
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#endif
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#endif
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